EP1541748A1 - Fiber processing agent and fiber processed with the fiber processing agent - Google Patents
Fiber processing agent and fiber processed with the fiber processing agent Download PDFInfo
- Publication number
- EP1541748A1 EP1541748A1 EP03741236A EP03741236A EP1541748A1 EP 1541748 A1 EP1541748 A1 EP 1541748A1 EP 03741236 A EP03741236 A EP 03741236A EP 03741236 A EP03741236 A EP 03741236A EP 1541748 A1 EP1541748 A1 EP 1541748A1
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- European Patent Office
- Prior art keywords
- fiber
- processing agent
- group
- fiber processing
- component
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/15—Proteins or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
Definitions
- the present invention relates to a fiber processing agent and fiber processed with the fiber processing agent.
- the fiber as a material for producing the products is required to have various characteristics for satisfying needs in each field of application.
- the required characteristics include, for instance, moisture retention, water-absorbing property, moisture-absorbing property, antistatic property.
- the fibers as described above include, but not limited to: synthetic fiber such as nylon, polyester, acryl and polyurethane; natural fibers such as cotton, linen, wool; and compound fibers prepared with the synthetic and natural fibers.
- the fibers are subjected to processing with a specific fiber processing agent for improving the properties described above, or for adding any other specific property other than those described above.
- the eggshell membrane has, in addition to the capability of improving the properties described above, the wound-treating property of promoting cure of a wound when applied to a surface of wounded skin, and there has been known the use of the eggshell membrane as a sheet material prepared by mixing powder of eggshell membrane in a fiber material and forming the mixture into a thin sheet so that the sheet material can easily be applied to a surface of wounded skin.
- the sheet material prepared by the method is used only once as a disposable material, the characteristics such as the wound-treating property is provided, and thus there occurs no problem.
- An object of the present invention is to provide a fiber processing agent having excellent durability and capable of continuously providing moisture retention property, water-absorbing property, moisture-absorbing property, antistatic property and wound-treating property, as well as fibers processed with this fiber processing agent.
- the fiber processing agent according to the present invention is used for processing a surface of fiber, and contains soluble eggshell membrane and a reactive organic compound having a reactive group.
- the soluble eggshell membrane indicates an eggshell membrane of a bird's egg (represented by a hen's egg) which is chemically- processed with an agent such as an acid, an alkali, an oxidizing agent, or a reducing agent into the water-soluble state.
- an agent such as an acid, an alkali, an oxidizing agent, or a reducing agent into the water-soluble state.
- eggs of goose, quail, ostrich, and the like may be used as materials for the eggshell membrane according to the present invention.
- Representative reducing agents which may be used in the chemical processing according to the preset invention include thioglycolic acid, thiopropionic acid, and 2-melcaptoethanole.
- an aqueous solution of the soluble eggshell membrane is prepared, and then any method may be used for preparing the fiber processing agent.
- any method may be used for preparing the fiber processing agent.
- 10 to 32 weight portions of the aqueous solution of thioglycolic acid (14.3 mol with the concentration of 100% in the liquid phase) or thiopropionic acid (11.3 mol with the concentration of 100% in the liquid phase), or a mixture thereof with the concentration of 1 mol/litter or more is added to one weight portion of the eggshell membrane.
- the mixture solution is heated to a temperature in the range from 50 to 70 °C, and is kept under the temperature for five to several tens hours until the eggshell membrane is completely dissolved. Then the reducing agent used in the reaction is removed to obtain an aqueous solution.
- acetone is added to the solution above to precipitate the eggshell membrane having been processed into the soluble state and dissolved therein, the solution (reducing agent) is removed, and then the precipitate is washed with acetone once or twice, and then water is added to the precipitate to obtain an aqueous solution.
- the reducing agent solution with the eggshell membrane dissolved therein is processed into the acidic state with hydrochloric acid for preventing oxidization, and then the solution is dialyzed through water to remove the reducing agent.
- the pH is adjusted to the alkaline side in the range from about 9 to 10 for strengthening the reducing capability, and is heated for five to several tens hours at a temperature in the range from 50 to 70 °C.
- the processing is terminated within a prespecified period of time, and then impurities are removed by centrifugation, and the remaining solution is dialyzed through water, or the dissolved eggshell membrane is precipitated with acetone, and the precipitated eggshell membrane is dissolved, for instance, in water to obtain an aqueous solution of soluble eggshell membrane.
- the soluble eggshell membrane is prepared by dissolving the eggshell membrane with alkali, an aqueous solution of 1 to N (specified value) sodium hydroxide or that further containing alcohol (with the alcohol density of 50 to 70%) is added to one weight portion of eggshell membrane, the mixture solution is heated for 3 to 6 hours at a temperature in the range from 40 to 60°C, and then is dialyzed through water for neutralization.
- 1 to N specified value
- alcohol with the soluble eggshell membrane is prepared by dissolving the eggshell membrane with alkali, an aqueous solution of 1 to N (specified value) sodium hydroxide or that further containing alcohol (with the alcohol density of 50 to 70%) is added to one weight portion of eggshell membrane, the mixture solution is heated for 3 to 6 hours at a temperature in the range from 40 to 60°C, and then is dialyzed through water for neutralization.
- the reactive organic agent preferably contains one or more selected from the group consisting of (component 1) a hydrophilic compound having a polymerizable vinyl group in the molecule, (component 2) a monomer containing any of a hydroxyl group, a carboxylic group, an amino group, a sulfonic group, and a phosphate group, (component 3) a hydrophilic compound having an epoxy group, and (component 4) a compound having an aziridine group.
- component 1 a hydrophilic compound having a polymerizable vinyl group in the molecule
- component 2 a monomer containing any of a hydroxyl group, a carboxylic group, an amino group, a sulfonic group, and a phosphate group
- component 3 a hydrophilic compound having an epoxy group
- component 4 a compound having an aziridine group.
- the (component 1) above is any of polyethylene glycol diacrylate, polyethylene glycol dimethacrylate, bisphenol A polyethylene glycol diacrylate, bisphenol A polyethylene glycol dimethacrylate, bisphenol S polyethylene glycol dimethacrylate, and the like.
- the (component 2) is any of acrylic acid, methacrylic acid, maleic acid, itaconic acid, acrylamide, metahcrylamide, vinyl sulfonic acid, hydroxylpropyl methacrylate, and the like.
- the (component 3) is polyethylene glycoldiglycidyl ether or the like.
- the (component 4) is, for instance, a compound having the following formula:
- the aqueous solution of soluble eggshell membrane described above and the reactive organic compound are mixed with each other to prepare the fiber processing agent.
- soluble eggshell membrane and the reactive organic compound such materials as fibroin, sericin, and chitosan may be blended therein.
- the material or materials are blended therein, the moisture-absorbing property is improved.
- the present invention because a reactive organic compound having a reactive group is contained therein, even when the fiber processed with the agent is used for a long period of time, the eggshell membrane is never removed. Therefore, the various properties of the eggshell membrane are maintained, so that a fiber processing agent with excellent durability and also continuously providing the moisture retention property, water-absorbing property, moisture-absorbing property, antistatic property, and wound-treating property can be obtained.
- the soluble eggshell membrane is contained in the range from 0.1 to 10% by weight relative to the total weight of the fiber processing agent and the reactive organic compound in the range from 1 to 20% by weight. More preferably, the soluble eggshell membrane is contained in the range from 0.2 to 5% by weight and the reactive organic compound in the range from 2 to 10% by weight.
- the concentration of the soluble eggshell membrane is less than 0.1 % by weight and that of the reactive organic compound is less than 1% by weight, effects of the moisture retention property and the like are insufficient.
- the concentration of the soluble eggshell membrane is more than 10% by weight and that of the reactive organic compound is more than 20% by weight, the fiber processed with the agent may become stiff.
- the fiber processing agent according to the present invention may have also the composition as described below.
- the fiber processing agent according to the present invention is used for processing a surface of fiber, and contains a soluble eggshell membrane and an organic compound having the adhesiveness.
- the soluble eggshell membrane is described as that contained in the fiber processing agent according to the present invention above, so that description thereof is omitted herefrom.
- a reactive organic compound having a reactive group may be used as the organic compound having the adhesiveness described above.
- the fiber processing agent according to the present invention preferably contains one or more selected from the group consisting of (component 1) a hydrophilic compound having a polymerizable vinyl group in the molecule, (component 2) a monomer containing any of a hydroxyl group, a carboxylic group, an amino group, a sulfonic group, and a phosphate group, (component 3) a hydrophilic compound having an epoxy group, (component 4) a compound having an aziridine group, and (component 5) a compound having an isocyanate group or a precursor thereof.
- component 1 a hydrophilic compound having a polymerizable vinyl group in the molecule
- component 2 a monomer containing any of a hydroxyl group, a carboxylic group, an amino group, a sulfonic group, and a phosphate group
- component 3 a hydrophilic compound having an epoxy group
- component 4) a compound having an aziridine group
- component 5) a compound having an is
- Examples of the (component 1) to (component 4) contained in the reactive organic compound are the same as the (component 1) to (component 4) described as those contained in the fiber processing agent according to the present invention above, so that descriptions thereof are omitted herefrom.
- Examples of the (component 5) containing an isocyanate group are, for instance, hexamethylene diisocyanate and 1,3,5-trisocyanate-n-pentane expressed by the chemical formulas (1) and (ii) respectively: OCN-(CH 2 ) 6 -NCO
- Examples of the (component 5) containing a precursor of an isocyanate group are, for instance, a precursor of hexamethylene diisocyanate and a precursor of 1,3,5-triisocyanate-n-pentane.
- the precursor of hexamethylene diisocyanate are, for instance, 1, 6-di(methylcarbamoyl)-n-hexane and 1,6,-di(phenylcarbamoyl)-n-hexane expressed by the chemical formulas (iii) and (iv) respectively.
- the precursor of 1,3,5-trisocyanate-n-pentane is, for instance, the compound expressed by the chemical formula (v) below:
- any of lipophilic compounds such as wax or silicone and/or high molecular compounds such as ether, acryl, urethane, and those having an amide or ester group and the like may be used.
- the organic compounds having the adhesiveness are those not reactive but having an appropriate degree of lipophilicity or hydrophilicity and adhere to a surface of fiber, and are used as a softening agent, a smoothing agent, an antistatic agent and the like. More specifically, the lipophilic compounds are, for instance, wax, silicone, neutral fat, mineral oil, and animal wax.
- the high molecule compounds are, for instance, polyethylene glycol (di)alkylate, polyvalent alcohol ester, polyalkyl amide, polyacrylate.
- the lipophilic compounds and/or high molecular compounds adhere to a surface of fiber, and elution of the eggshell membrane protein contained in the fiber to outside of the fiber can be prevented. Because of the characteristics, removal of the eggshell membrane can be prevented even when the fiber having been subjected to processing with the agent is used for a long period of time.
- the fiber according to the present invention is characterized that the fiber is subjected to the fiber processing agent according to the present invention.
- the fibers which can be processed with the fiber processing agent according to the present invention, are, for instance, synthetic fibers such as nylon, polyester, acryl, and polyurethane; natural fibers such as cotton, linen, and wool; and compound fibers thereof.
- the immersing method includes, for instance, the room-temperature static method, and heating and agitating method.
- the padding method includes, for instance, the pad dry method, and pad steam method. Any methods listed above may be employed in a case of the reactive organic compound. In a case of a not-reactive compound, it is preferable to employ the pad dry method.
- the fibers are subjected to processing with the fiber processing agent, the fibers have excellent durability and can continuously show the moisture retention property, water-absorbing property, moisture-absorbing property, antistatic property, and wound-treating property.
- an aqueous solution of the soluble eggshell membranes was prepared. Hen's eggs each with a shell was broken to remove the egg mixture, and the obtained eggshells each with an eggshell membrane were put in clear water to manually remove the eggshell, and then the eggshell membrane were immersed for one hour in a 1% hydrochloric acid aqueous solution to dissolve fine eggshell pieces deposited on the eggshell membranes, and then the eggshell membranes were washed with water and naturally dried to obtain the eggshell membranes.
- the aqueous solution with eggshell membranes dissolved therein was dialyzed through water acidified with hydrochloric acid to remove thioglycolic acid, thus the aqueous solution of the soluble eggshell membranes being obtained.
- the fiber processing agent prepared as described above was impregnated in the taffeta cloth containing 100% polyester (with the apparent specific gravity of 120 g/m 2 ), and the cloth was wrung with a mangle to the agent content of 70%. Then the cloth was heated with steam for 10 minutes at a temperature of 105 °C, and then washed with hot water (for 10 minutes at a temperature of 40 °C), dried and thermally set.
- the taffeta cloth obtained according to the same procedure as that in Example 1 was washed with an automatic washing machine 10 times, and in each washing cycle the cloth was washed once and rinsed twice for 15 minutes.
- the aqueous solution of soluble eggshell membrane was blended with the Light Silicone PS-1000 (produced by KOEISHA CHEMCIAL Co. Ltd.) which is an organic compound with the adhesiveness to prepare the fiber processing agent according to a second aspect of the present invention.
- the aqueous solution of soluble eggshell membrane used for preparing the fiber processing agent was prepared according to the same procedure as that described in Example 1. Solid phase of the soluble eggshell membrane 10.0% by weight Light Silicone PS-1000 10.0% by weight Water 80.0% by weight
- the fiber processing agent prepared as described above was impregnated in the taffeta cloth containing 100% polyester (with the apparent specific gravity of 120 g/m 2 ), and the cloth was wrung with a mangle to the agent content of 70%. Then the cloth was dried within a hot air drier for 5 minutes at a temperature of 150 °C, and then washed with an automatic washing machine in the same way as that employed in Example 2, namely 10 times and in each washing cycle the cloth was washed once and rinsed twice for 15 minutes.
- the fiber processing agent employed in this comparative example was different from that employed in Example 1 only in the point that the fiber processing agent contained only the soluble eggshell membrane. Concentrations of the components of the fiber processing agent are as shown below: Solid phase of the soluble eggshell membrane 5% by weight Water 95% by weight
- the cloth was washed 10 times like in Example 2.
- the taffeta cloth was prepared with the fiber processing agent prepared by blending the components as shown below and according to the same procedure as that described in Example 3. Solid phase of the soluble eggshell membrane 10.0% by weight Water 90.0% by weight
- the taffeta cloth was prepared with the fiber processing agent prepared by blending the components as shown below and according to the same procedure as that described in Reference Example 3.
- Light Silicone PS-100 10.0% by weight Water 90.0% by weight
- the moisture-absorbing property, a water-absorbing rate, and friction-charged electrostatic potential were measured. Further for the taffeta cloths according to the second aspect of the present invention in Example 3, Comparative Example 3, and Reference Example 1, the water-absorbing rate and friction-charged electrostatic potential were measured. Measurement of the moisture-absorbing property was performed by placing a sample of the processed taffeta cloth for 12 hours in the atmospheric air with the relative humidity of 30% at a temperature of 23 °C for moisture control and measuring a change in the weight under the atmospheric air with the relative humidity of 80% at the temperature of 30 °C.
- Example 1 The water-absorbing rate was measured by the JIS L 1096-A method. Further the friction-charged electrostatic potential was measured by the JIS L 1094-B method. A result of the assessment is shown in Table 1. Moisture Absorbing property Water Absorbing rate Friction-charged electrostatic potential [V] Example 1 2.1 1 sec. or below 200 Example 2 2.0 1 sec. or below 400 Com. Example 1 0.1 No absorption in 5 minutes or more 4800 Com. Example 2 0.2 No absorption in 5 minutes or more 4500 Example 3 - 1 to 5 sec 1400 Com. Example 3 - No absorption in 5 minutes or more 4200 Ref. Example 1 - 2 to 5 minutes 2800
- Example 1 From the result of the Assessment Method 1 above, it is understood that the moisture-absorbing property and water-absorbing rate in Example 1 are higher as compared to those in Comparative Example 1 and the friction-charged electrostatic potential in Example 1 is smaller as compared to that in Comparative Example, which indicates that Example 1 is superior to Comparative Example 1 in all aspects. From this result, it is understood that the fiber processed with the fiber processing agent according to the present invention (containing a reactive organic compound) was improved in the water-absorbing property, moisture-absorbing property, and antistatic property.
- Example 2 shows the higher moisture-absorbing property and water-absorbing rate and smaller friction-charged electrostatic potential as compared to Comparative Example 2, which suggests that Example 2 is superior to Comparative Example 2 in all aspects. Therefore it is understood that the fiber processed with the fiber processing agent according to the present invention (containing a reactive organic compound) does not lose the effects provided by the fiber processing agent even after washed repeatedly and has excellent durability.
- the moisture-absorbing property is 20%
- the water-absorbing rate is not more than one second
- the friction-charged electrostatic potential is 500 V in the initial state before washing. Comparison of the initial state to the state after washing suggests that the fiber processing agent containing only the soluble eggshell membrane like that in the conventional technology does not improve the durability.
- Example 3 shows the higher water-absorbing rate and smaller friction-charged electrostatic potential as compared to Comparative Example 3, and that Example 3 is superior to Comparative Example 3 in all aspects. Also comparison of Example 3 to Reference Example 1 suggests the same conclusion. For the reasons as described above, it is understood that the fiber processed with the fiber processing agent according to the present invention (containing an organic compound having the adhesiveness) is improved in the water-absorbing property and the antistatic property.
- Example 1 From a result of assessment according to the Assessment Method 2, it is understood that the conductance in Example 1 is larger as compared to that in Comparative Example 1. A larger value of this conductance indicates improved conductivity of human skin, which indicates that the roughed skin is being cured and the moisture retention of the skin is being improved.
- the present invention provides a fiber processing agent capable of improving the various properties such as moisture retention, water-absorbing property, moisture-absorbing property, and antistatic property, and also provides fibers and fiber products improved in the properties as described above.
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Abstract
The present invention provides a fiber processing agent used for processing a
surface of a fiber, and the fiber processing agent contains a soluble eggshell membrane
and a reactive organic compound having a reactive group. With the fiber processed with
the fiber processing agent having the composition as described above, even when the fiber
is used for a long period of time, the eggshell membrane is not removed therefrom and the
properties provided by the eggshell membrane can be maintained, so that the fiber has
excellent durability and can continuously provide the moisture retention, water-absorbing
property, moisture-absorbing property, antistatic property, and wound-treating property.
Description
The present invention relates to a fiber processing agent and fiber processed with
the fiber processing agent.
There have been various products using fiber such as blouse, dress shirts, pants,
skirts, backing clothes, covering materials for furniture and seats of vehicles and the like
in the market.
The fiber as a material for producing the products is required to have various
characteristics for satisfying needs in each field of application. The required
characteristics include, for instance, moisture retention, water-absorbing property,
moisture-absorbing property, antistatic property.
For instance, blouse is worn casually, and a wearer often gets sweaty while
wearing the blouse. Therefore, the moisture-absorbing property is required to the blouse.
There are various types of fibers capable of satisfying the requirement for
moisture-absorbing property. The fibers as described above include, but not limited to:
synthetic fiber such as nylon, polyester, acryl and polyurethane; natural fibers such as
cotton, linen, wool; and compound fibers prepared with the synthetic and natural fibers.
Sometimes the fibers are subjected to processing with a specific fiber processing
agent for improving the properties described above, or for adding any other specific
property other than those described above.
For instance, the eggshell membrane has, in addition to the capability of
improving the properties described above, the wound-treating property of promoting cure
of a wound when applied to a surface of wounded skin, and there has been known the use
of the eggshell membrane as a sheet material prepared by mixing powder of eggshell
membrane in a fiber material and forming the mixture into a thin sheet so that the sheet
material can easily be applied to a surface of wounded skin.
In order to improve the wound-treating property of the sheet material made of a
fiber material having the wound-treating property as described above, there has been
proposed a method of preparing an aqueous solution with the eggshell dissolved therein
and immersing woven cloth or unwoven cloth in this aqueous solution and then drying the
cloth to produce a sheet material (Refer to Japanese Patent Laid-Open Publication No.
HEI 7-246234).
So long as the sheet material prepared by the method is used only once as a
disposable material, the characteristics such as the wound-treating property is provided,
and thus there occurs no problem.
With the technology disclosed in the reference described above, however, as
woven cloth or unwoven cloth is immersed in an aqueous solution containing only
eggshell membrane and then the cloth is dried, adhesion of the eggshell membrane to the
sheet material is weak. Therefore, for instance, when the sheet material is washed
repeatedly or used for a long period of time, the eggshell membrane is removed with the
durability lowered, and such properties as moisture retention property, water-absorbing
property, moisture-absorbing property, antistatic property, and wound-treating property
can not disadvantageously be retained for a long time.
An object of the present invention is to provide a fiber processing agent having
excellent durability and capable of continuously providing moisture retention property,
water-absorbing property, moisture-absorbing property, antistatic property and
wound-treating property, as well as fibers processed with this fiber processing agent.
The fiber processing agent according to the present invention is used for
processing a surface of fiber, and contains soluble eggshell membrane and a reactive
organic compound having a reactive group.
In the present invention, the soluble eggshell membrane indicates an eggshell
membrane of a bird's egg (represented by a hen's egg) which is chemically- processed
with an agent such as an acid, an alkali, an oxidizing agent, or a reducing agent into the
water-soluble state.
In addition to the hen's egg, eggs of goose, quail, ostrich, and the like may be
used as materials for the eggshell membrane according to the present invention.
Representative reducing agents which may be used in the chemical processing
according to the preset invention include thioglycolic acid, thiopropionic acid, and
2-melcaptoethanole.
For preparing the soluble eggshell membrane used for production of a fiber
processing agent, at first, an aqueous solution of the soluble eggshell membrane is
prepared, and then any method may be used for preparing the fiber processing agent. In
one of the representative preparation methods, 10 to 32 weight portions of the aqueous
solution of thioglycolic acid (14.3 mol with the concentration of 100% in the liquid phase)
or thiopropionic acid (11.3 mol with the concentration of 100% in the liquid phase), or a
mixture thereof with the concentration of 1 mol/litter or more is added to one weight
portion of the eggshell membrane.
Then the mixture solution is heated to a temperature in the range from 50 to 70 °C,
and is kept under the temperature for five to several tens hours until the eggshell
membrane is completely dissolved. Then the reducing agent used in the reaction is
removed to obtain an aqueous solution.
More specifically, acetone is added to the solution above to precipitate the
eggshell membrane having been processed into the soluble state and dissolved therein, the
solution (reducing agent) is removed, and then the precipitate is washed with acetone once
or twice, and then water is added to the precipitate to obtain an aqueous solution.
Alternatively, the reducing agent solution with the eggshell membrane dissolved
therein is processed into the acidic state with hydrochloric acid for preventing oxidization,
and then the solution is dialyzed through water to remove the reducing agent.
When 2-melcaptoethanole is used as a reducing agent, the pH is adjusted to the
alkaline side in the range from about 9 to 10 for strengthening the reducing capability, and
is heated for five to several tens hours at a temperature in the range from 50 to 70 °C. In
this case, as it is difficult to completely dissolve the eggshell membrane, the processing is
terminated within a prespecified period of time, and then impurities are removed by
centrifugation, and the remaining solution is dialyzed through water, or the dissolved
eggshell membrane is precipitated with acetone, and the precipitated eggshell membrane
is dissolved, for instance, in water to obtain an aqueous solution of soluble eggshell
membrane.
Further, with the soluble eggshell membrane is prepared by dissolving the
eggshell membrane with alkali, an aqueous solution of 1 to N (specified value) sodium
hydroxide or that further containing alcohol (with the alcohol density of 50 to 70%) is
added to one weight portion of eggshell membrane, the mixture solution is heated for 3 to
6 hours at a temperature in the range from 40 to 60°C, and then is dialyzed through water
for neutralization.
In the fiber processing agent according to the present invention, the reactive
organic agent preferably contains one or more selected from the group consisting of
(component 1) a hydrophilic compound having a polymerizable vinyl group in the
molecule, (component 2) a monomer containing any of a hydroxyl group, a carboxylic
group, an amino group, a sulfonic group, and a phosphate group, (component 3) a
hydrophilic compound having an epoxy group, and (component 4) a compound having an
aziridine group.
Specifically, the (component 1) above is any of polyethylene glycol diacrylate,
polyethylene glycol dimethacrylate, bisphenol A polyethylene glycol diacrylate, bisphenol
A polyethylene glycol dimethacrylate, bisphenol S polyethylene glycol dimethacrylate,
and the like.
Specifically, the (component 2) is any of acrylic acid, methacrylic acid, maleic
acid, itaconic acid, acrylamide, metahcrylamide, vinyl sulfonic acid, hydroxylpropyl
methacrylate, and the like.
Specifically, the (component 3) is polyethylene glycoldiglycidyl ether or the like.
Specifically, the (component 4) is, for instance, a compound having the following
formula:
According to the present invention, the aqueous solution of soluble eggshell
membrane described above and the reactive organic compound are mixed with each other
to prepare the fiber processing agent.
In addition to the soluble eggshell membrane and the reactive organic compound,
such materials as fibroin, sericin, and chitosan may be blended therein. When the
material or materials are blended therein, the moisture-absorbing property is improved.
With the present invention as described above, because a reactive organic
compound having a reactive group is contained therein, even when the fiber processed
with the agent is used for a long period of time, the eggshell membrane is never removed.
Therefore, the various properties of the eggshell membrane are maintained, so that a fiber
processing agent with excellent durability and also continuously providing the moisture
retention property, water-absorbing property, moisture-absorbing property, antistatic
property, and wound-treating property can be obtained.
In the fiber processing agent according to the present invention, preferably the
soluble eggshell membrane is contained in the range from 0.1 to 10% by weight relative to
the total weight of the fiber processing agent and the reactive organic compound in the
range from 1 to 20% by weight. More preferably, the soluble eggshell membrane is
contained in the range from 0.2 to 5% by weight and the reactive organic compound in the
range from 2 to 10% by weight.
When the concentration of the soluble eggshell membrane is less than 0.1 % by
weight and that of the reactive organic compound is less than 1% by weight, effects of the
moisture retention property and the like are insufficient. When the concentration of the
soluble eggshell membrane is more than 10% by weight and that of the reactive organic
compound is more than 20% by weight, the fiber processed with the agent may become
stiff.
The fiber processing agent according to the present invention may have also the
composition as described below.
The fiber processing agent according to the present invention is used for
processing a surface of fiber, and contains a soluble eggshell membrane and an organic
compound having the adhesiveness.
The soluble eggshell membrane is described as that contained in the fiber
processing agent according to the present invention above, so that description thereof is
omitted herefrom.
In the fiber processing agent according to the present invention, a reactive
organic compound having a reactive group may be used as the organic compound having
the adhesiveness described above.
With the present invention as described above, even when fiber having been
subjected to the processing with the agent according to the present invention is used for a
long period of time, it is possible to prevent the eggshell membrane from being removed.
The fiber processing agent according to the present invention preferably contains
one or more selected from the group consisting of (component 1) a hydrophilic compound
having a polymerizable vinyl group in the molecule, (component 2) a monomer containing
any of a hydroxyl group, a carboxylic group, an amino group, a sulfonic group, and a
phosphate group, (component 3) a hydrophilic compound having an epoxy group,
(component 4) a compound having an aziridine group, and (component 5) a compound
having an isocyanate group or a precursor thereof.
Examples of the (component 1) to (component 4) contained in the reactive
organic compound are the same as the (component 1) to (component 4) described as those
contained in the fiber processing agent according to the present invention above, so that
descriptions thereof are omitted herefrom.
Examples of the (component 5) containing an isocyanate group are, for instance,
hexamethylene diisocyanate and 1,3,5-trisocyanate-n-pentane expressed by the chemical
formulas (1) and (ii) respectively:
OCN-(CH2)6-NCO
Examples of the (component 5) containing a precursor of an isocyanate group are,
for instance, a precursor of hexamethylene diisocyanate and a precursor of
1,3,5-triisocyanate-n-pentane. Of these compounds, the precursor of hexamethylene
diisocyanate are, for instance, 1, 6-di(methylcarbamoyl)-n-hexane and
1,6,-di(phenylcarbamoyl)-n-hexane expressed by the chemical formulas (iii) and (iv)
respectively. The precursor of 1,3,5-trisocyanate-n-pentane is, for instance, the
compound expressed by the chemical formula (v) below:
In the fiber processing agent according to the present invention, as the organic
compound having the adhesiveness as described above, any of lipophilic compounds such
as wax or silicone and/or high molecular compounds such as ether, acryl, urethane, and
those having an amide or ester group and the like may be used.
The organic compounds having the adhesiveness are those not reactive but
having an appropriate degree of lipophilicity or hydrophilicity and adhere to a surface of
fiber, and are used as a softening agent, a smoothing agent, an antistatic agent and the like.
More specifically, the lipophilic compounds are, for instance, wax, silicone, neutral fat,
mineral oil, and animal wax. The high molecule compounds are, for instance,
polyethylene glycol (di)alkylate, polyvalent alcohol ester, polyalkyl amide, polyacrylate.
With the invention as described above, the lipophilic compounds and/or high
molecular compounds adhere to a surface of fiber, and elution of the eggshell membrane
protein contained in the fiber to outside of the fiber can be prevented. Because of the
characteristics, removal of the eggshell membrane can be prevented even when the fiber
having been subjected to processing with the agent is used for a long period of time.
The fiber according to the present invention is characterized that the fiber is
subjected to the fiber processing agent according to the present invention.
The fibers, which can be processed with the fiber processing agent according to
the present invention, are, for instance, synthetic fibers such as nylon, polyester, acryl, and
polyurethane; natural fibers such as cotton, linen, and wool; and compound fibers thereof.
Any method may be employed for processing with the fiber processing agent, and
for instance, such methods as the immersing method, and padding method may be
employed. The immersing method includes, for instance, the room-temperature static
method, and heating and agitating method.
The padding method includes, for instance, the pad dry method, and pad steam
method. Any methods listed above may be employed in a case of the reactive organic
compound. In a case of a not-reactive compound, it is preferable to employ the pad dry
method.
With the present invention as described above, as fibers are subjected to
processing with the fiber processing agent, the fibers have excellent durability and can
continuously show the moisture retention property, water-absorbing property,
moisture-absorbing property, antistatic property, and wound-treating property.
The present invention is described more specifically with reference to examples
and comparative examples.
To prepare the fiber processing agent, at first an aqueous solution of the soluble
eggshell membranes was prepared. Hen's eggs each with a shell was broken to remove
the egg mixture, and the obtained eggshells each with an eggshell membrane were put in
clear water to manually remove the eggshell, and then the eggshell membrane were
immersed for one hour in a 1% hydrochloric acid aqueous solution to dissolve fine
eggshell pieces deposited on the eggshell membranes, and then the eggshell membranes
were washed with water and naturally dried to obtain the eggshell membranes.
Then 1.5 litters of 5.0 mol/litter thioglycolic acid aqueous solution was added in
50 grams of the eggshell membranes obtained as described above. The thioglycolic acid
aqueous solution containing the eggshell membranes was heated for 12 hours at a
temperature of 60 °C to dissolve the eggshell membranes.
The aqueous solution with eggshell membranes dissolved therein was dialyzed
through water acidified with hydrochloric acid to remove thioglycolic acid, thus the
aqueous solution of the soluble eggshell membranes being obtained.
The aqueous solution of the soluble eggshell membrane and a reactive organic
compound were blended with each other to prepare the fiber processing agent.
Concentration for components in the fiber processing agent are as shown below:
| Solid phase of the soluble eggshell membrane | 5.0% by weight |
| Water | 89.5% by weight |
| Reactive organic compound (expressed by the following chemical formula (2)) | 5.0% by weight |
| Reactive organic compound (expressed by the following chemical formula (3)) | 0.5% by weight |
The fiber processing agent prepared as described above was impregnated in the
taffeta cloth containing 100% polyester (with the apparent specific gravity of 120 g/m2),
and the cloth was wrung with a mangle to the agent content of 70%. Then the cloth was
heated with steam for 10 minutes at a temperature of 105 °C, and then washed with hot
water (for 10 minutes at a temperature of 40 °C), dried and thermally set.
The taffeta cloth obtained according to the same procedure as that in Example 1
was washed with an automatic washing machine 10 times, and in each washing cycle the
cloth was washed once and rinsed twice for 15 minutes.
The aqueous solution of soluble eggshell membrane was blended with the Light
Silicone PS-1000 (produced by KOEISHA CHEMCIAL Co. Ltd.) which is an organic
compound with the adhesiveness to prepare the fiber processing agent according to a
second aspect of the present invention. The aqueous solution of soluble eggshell
membrane used for preparing the fiber processing agent was prepared according to the
same procedure as that described in Example 1.
| Solid phase of the soluble eggshell membrane | 10.0% by weight |
| Light Silicone PS-1000 | 10.0% by weight |
| Water | 80.0% by weight |
Then the fiber processing agent prepared as described above was impregnated in
the taffeta cloth containing 100% polyester (with the apparent specific gravity of 120
g/m2), and the cloth was wrung with a mangle to the agent content of 70%. Then the
cloth was dried within a hot air drier for 5 minutes at a temperature of 150 °C, and then
washed with an automatic washing machine in the same way as that employed in Example
2, namely 10 times and in each washing cycle the cloth was washed once and rinsed twice
for 15 minutes.
The same taffeta cloth containing only polyester as that employed in Example 1
was used, but the cloth was not subjected to the processing with the fiber processing agent,
not to the other operations as described above.
The fiber processing agent employed in this comparative example was different
from that employed in Example 1 only in the point that the fiber processing agent
contained only the soluble eggshell membrane. Concentrations of the components of the
fiber processing agent are as shown below:
| Solid phase of the soluble eggshell membrane | 5% by weight |
| Water | 95% by weight |
The cloth was washed 10 times like in Example 2.
The taffeta cloth was prepared with the fiber processing agent prepared by
blending the components as shown below and according to the same procedure as that
described in Example 3.
| Solid phase of the soluble eggshell membrane | 10.0% by weight |
| Water | 90.0% by weight |
Then the obtained taffeta cloth was washed 10 times line like in Example 3.
The taffeta cloth was prepared with the fiber processing agent prepared by
blending the components as shown below and according to the same procedure as that
described in Reference Example 3.
| Light Silicone PS-100 | 10.0% by weight |
| Water | 90.0% by weight |
Then the obtained taffeta cloth was washed 10 times line like in Example 3.
For the taffeta cloths according to the first aspect of the present invention in
Examples 1, 2 and in Comparative Examples 1, 2, the moisture-absorbing property, a
water-absorbing rate, and friction-charged electrostatic potential were measured. Further
for the taffeta cloths according to the second aspect of the present invention in Example 3,
Comparative Example 3, and Reference Example 1, the water-absorbing rate and
friction-charged electrostatic potential were measured. Measurement of the
moisture-absorbing property was performed by placing a sample of the processed taffeta
cloth for 12 hours in the atmospheric air with the relative humidity of 30% at a
temperature of 23 °C for moisture control and measuring a change in the weight under the
atmospheric air with the relative humidity of 80% at the temperature of 30 °C. The
water-absorbing rate was measured by the JIS L 1096-A method. Further the
friction-charged electrostatic potential was measured by the JIS L 1094-B method. A
result of the assessment is shown in Table 1.
| Moisture Absorbing property | Water Absorbing rate | Friction-charged electrostatic potential [V] | |
| Example 1 | 2.1 | 1 sec. or below | 200 |
| Example 2 | 2.0 | 1 sec. or below | 400 |
| Com. Example 1 | 0.1 | No absorption in 5 minutes or more | 4800 |
| Com. Example 2 | 0.2 | No absorption in 5 minutes or more | 4500 |
| Example 3 | - | 1 to 5 sec | 1400 |
| Com. Example 3 | - | No absorption in 5 minutes or more | 4200 |
| Ref. Example 1 | - | 2 to 5 minutes | 2800 |
From the result of the Assessment Method 1 above, it is understood that the
moisture-absorbing property and water-absorbing rate in Example 1 are higher as
compared to those in Comparative Example 1 and the friction-charged electrostatic
potential in Example 1 is smaller as compared to that in Comparative Example, which
indicates that Example 1 is superior to Comparative Example 1 in all aspects. From this
result, it is understood that the fiber processed with the fiber processing agent according to
the present invention (containing a reactive organic compound) was improved in the
water-absorbing property, moisture-absorbing property, and antistatic property.
Further Example 2 shows the higher moisture-absorbing property and
water-absorbing rate and smaller friction-charged electrostatic potential as compared to
Comparative Example 2, which suggests that Example 2 is superior to Comparative
Example 2 in all aspects. Therefore it is understood that the fiber processed with the
fiber processing agent according to the present invention (containing a reactive organic
compound) does not lose the effects provided by the fiber processing agent even after
washed repeatedly and has excellent durability.
In Comparative Example 2, the moisture-absorbing property is 20%, the
water-absorbing rate is not more than one second, and the friction-charged electrostatic
potential is 500 V in the initial state before washing. Comparison of the initial state to
the state after washing suggests that the fiber processing agent containing only the soluble
eggshell membrane like that in the conventional technology does not improve the
durability.
Comparing Example 3 to Comparative Example 3, it is understood that Example
3 shows the higher water-absorbing rate and smaller friction-charged electrostatic
potential as compared to Comparative Example 3, and that Example 3 is superior to
Comparative Example 3 in all aspects. Also comparison of Example 3 to Reference
Example 1 suggests the same conclusion. For the reasons as described above, it is
understood that the fiber processed with the fiber processing agent according to the
present invention (containing an organic compound having the adhesiveness) is improved
in the water-absorbing property and the antistatic property.
After a commercially available adhesive tape is adhered on and pealed off from a
human skin and then rough surface is intentionally produced with an acetone/ether
mixture solution, the taffeta cloths prepared in Examples and Comparative Examples were
adhered and fixed on an upper arm for a specified number of days and for 6 hours each
day, and conductance of the upper arm with the cloths wound around was measured. A
result of the assessment is as shown in Table 2.
| Day 0 | Day 1 | Day 3 | Day 7 | Day 14 | Day 21 | ||
| Conductance[µS] | Exam. 1 | 1.8 | 2.3 | 2.5 | 7.5 | 40.0 | 43.0 |
| C. E. 1 | 2.0 | 2.1 | 2.0 | 3.0 | 15.0 | 20.0 |
From a result of assessment according to the Assessment Method 2, it is
understood that the conductance in Example 1 is larger as compared to that in
Comparative Example 1. A larger value of this conductance indicates improved
conductivity of human skin, which indicates that the roughed skin is being cured and the
moisture retention of the skin is being improved.
For the reasons as described above, when the fiber processed with the fiber
processing agent according to the present invention (containing a reactive organic
compound) is used, a human skin having rough surface portions is cured, which indicates
that the wound-treating property and moisture retention are improved. Even when used
for a long period of time like in experiments according to this Assessment Method 2, the
effects of wound-treating property and moisture retention are recognized, and therefore it
is understood that the excellent properties are maintained from a long period of time.
The present invention provides a fiber processing agent capable of improving the
various properties such as moisture retention, water-absorbing property,
moisture-absorbing property, and antistatic property, and also provides fibers and fiber
products improved in the properties as described above.
Claims (9)
- A fiber processing agent used for processing a surface of a fiber, comprising:a soluble eggshell membrane; and a reactive organic compound having a reactive group.
- The fiber processing agent according to claim 1,
wherein the reactive organic compound contains one or more of (component 1) a hydrophilic compound having a polymerizable vinyl group in the molecule, (component 2) a monomer containing any of a hydroxyl group, a carboxylic group, an amino group, a sulfonic group, and a phosphate group, (component 3) a hydrophilic compound having an epoxy group, and (component 4) a compound having an aziridine group. - The fiber processing agent according to claim 1 or claim 2,
wherein a content of the soluble eggshell membrane relative to the total weight of the fiber processing agent is in the range from 0.1 to 10% by weight; and
a content of the reactive organic compound is in the range from 1 to 20% by weight. - A fiber processed with the fiber processing agent according to any of claims 1 to 3.
- A fiber processing agent used for processing a surface of a fiber comprising:a soluble eggshell membrane; and an organic compound having adhesiveness.
- The fiber processing agent according to claim 5,
wherein the organic compound having adhesiveness is a reactive organic compound having a reactive group. - A fiber processing agent according to claim 6,
wherein the reactive organic component contains at least one of (component 1) a hydrophilic compound having a polymerizable vinyl group in the molecule, (component 2) a monomer containing any of a hydroxyl group, a carboxylic group, an amino group, a sulfonic group, and a phosphate group, (component 3) a hydrophilic compound having an epoxy group, (component 4) a compound having an aziridine group, and (component 5) a compound containing an isocyanate group or a precursor thereof. - The fiber processing agent according to claim 5,
wherein the organic compound having adhesiveness is a lipophilic compound such as wax and silicone and/or high molecular compound containing a group such as ether, acryl, urethane, amide, and ester. - A fiber processed with the fiber processing agent according to any of claims 5 to 8.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002196880 | 2002-07-05 | ||
| JP2002196880 | 2002-07-05 | ||
| PCT/JP2003/008591 WO2004005607A1 (en) | 2002-07-05 | 2003-07-07 | Fiber processing agent and fiber processed with the fiber processing agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1541748A1 true EP1541748A1 (en) | 2005-06-15 |
| EP1541748A4 EP1541748A4 (en) | 2008-02-20 |
Family
ID=30112379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03741236A Withdrawn EP1541748A4 (en) | 2002-07-05 | 2003-07-07 | TREATMENT AGENT OF FIBER AND FIBER TREATED WITH THIS FIBER TREATMENT AGENT |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20050246840A1 (en) |
| EP (1) | EP1541748A4 (en) |
| CN (1) | CN100402735C (en) |
| AU (1) | AU2003281313A1 (en) |
| WO (1) | WO2004005607A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303282C (en) * | 2002-02-19 | 2007-03-07 | 松本油脂制药株式会社 | Treatment method for imparting moisture absorption/desorption properties to fibers |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4387806B2 (en) * | 2004-01-07 | 2009-12-24 | 出光テクノファイン株式会社 | Fiber treatment liquid, modified fiber fabric and method for producing the same |
| EP2020455A3 (en) * | 2007-07-30 | 2010-06-02 | Idemitsu Technofine Co. Ltd | Fiber, fiber assembly, and fiber producing method |
| CN101487189B (en) * | 2008-11-03 | 2011-02-16 | 浙江理工大学 | Fibroin reinforcement process of fragile silk |
| US8912220B2 (en) | 2009-08-10 | 2014-12-16 | Galenea Pharmaceuticals | Compounds and methods of use thereof |
| CN102352562A (en) * | 2011-07-29 | 2012-02-15 | 苏州卡奇特纺织有限公司 | Antistatic agent for wool acrylic fabric |
| CN102352563A (en) * | 2011-07-29 | 2012-02-15 | 苏州卡奇特纺织有限公司 | Antistatic agent for cotton fabrics |
| JP2013129938A (en) * | 2011-12-21 | 2013-07-04 | Komatsu Seiren Co Ltd | Functional fiber fabric and method for producing the same |
| CN102766939A (en) * | 2012-06-27 | 2012-11-07 | 吴江亚太化纺有限公司 | Polyamide 66BCF carpet yarn |
| CN103726323A (en) * | 2012-10-16 | 2014-04-16 | 东丽纤维研究所（中国）有限公司 | Durable antistatic terylene textile |
| PL3212204T3 (en) | 2014-10-28 | 2019-11-29 | Biovotec As | Micronized eggshell membrane particles and the use thereof to promote the healing of wounds |
| CN108136073B (en) | 2015-06-24 | 2021-02-02 | 生物科技有限公司 | Tissue engineered scaffolds comprising particulate eggshell membrane |
| GB201519923D0 (en) | 2015-11-11 | 2015-12-23 | Biovotec Dac And Biovotec As | Dry biocompatible disintegrateable films for delivering particulate egg shell membrane to a wound |
| CN105544213B (en) * | 2016-01-21 | 2018-05-15 | 苏州印丝特纺织数码科技有限公司 | Polypropylene slurry that a kind of egg shell is modified and preparation method thereof |
| CN116926952B (en) * | 2023-07-04 | 2025-06-03 | 江南大学 | Preparation method and application of flexible cotton fabric-based piezoelectric sensor impregnated with eggshell membrane |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3196075A (en) * | 1960-10-03 | 1965-07-20 | Neuhauser Irene | Assisting healing of skin-denuded areas on the human body with dried fibrous egg-shell membrane products and compositions therefor |
| US3194732A (en) * | 1960-10-03 | 1965-07-13 | Neuhauser Irene | Assisting healing of skin-denuded areas on the body with dried non-fibrous egg-shellmembrane products and compositions therefor |
| US3624201A (en) * | 1968-02-12 | 1971-11-30 | Lescarden Ltd | Compositions containing calcium and magnesium salts of citric, phosphoric and lactic acid and method of promoting healing of wounds therewith |
| JPS63309273A (en) * | 1987-06-12 | 1988-12-16 | Q P Corp | Eggshell membrane sheet |
| JP3009499B2 (en) * | 1991-04-09 | 2000-02-14 | 帝人株式会社 | Polyurethane resin composition with excellent hygroscopicity |
| JP2995442B2 (en) * | 1992-11-06 | 1999-12-27 | 鐘紡株式会社 | Method for producing silk fibroin-graft polymer processed fabric |
| JPH07246234A (en) * | 1994-03-08 | 1995-09-26 | Q P Corp | Sheet material |
| JP3387618B2 (en) * | 1994-04-28 | 2003-03-17 | 小松精練株式会社 | Method for producing modified polyester fiber material |
| JPH08258235A (en) * | 1995-03-22 | 1996-10-08 | Yamato Kagaku Kogyo Kk | Decorative sheets for walls, furniture, sundries, etc. |
| JP3567308B2 (en) * | 1995-12-22 | 2004-09-22 | カミ商事株式会社 | Eggshell membrane fine powder blended paper, and various functional papers using eggshell membrane fine powder |
| WO1997040227A1 (en) * | 1996-04-19 | 1997-10-30 | Idemitsu Petrochemical Co., Ltd. | Textile treatments and fibers and textile goods treated therewith |
| JPH1072313A (en) * | 1996-08-28 | 1998-03-17 | Q P Corp | Sheet-shaped decorative material |
| JP3008181B2 (en) * | 1997-01-31 | 2000-02-14 | 小林製薬株式会社 | Surface material for water absorbing material and body fluid absorbing material using the same |
| JP2000079659A (en) * | 1998-06-30 | 2000-03-21 | Idemitsu Petrochem Co Ltd | Material for leather-like article and leather-like article wherein material is laminated to base material |
| JP2001172870A (en) * | 1999-12-20 | 2001-06-26 | Toray Ind Inc | Moisture-absorbing fiber structure |
| JP4570229B2 (en) * | 2000-10-16 | 2010-10-27 | オカモト株式会社 | Synthetic leather |
| JP2007008988A (en) * | 2005-06-28 | 2007-01-18 | Sumitomo Rubber Ind Ltd | Rubber composition for tire tread and pneumatic tire composed of the same |
-
2003
- 2003-07-07 CN CNB038159201A patent/CN100402735C/en not_active Expired - Fee Related
- 2003-07-07 AU AU2003281313A patent/AU2003281313A1/en not_active Abandoned
- 2003-07-07 EP EP03741236A patent/EP1541748A4/en not_active Withdrawn
- 2003-07-07 WO PCT/JP2003/008591 patent/WO2004005607A1/en not_active Ceased
- 2003-07-07 US US10/518,541 patent/US20050246840A1/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303282C (en) * | 2002-02-19 | 2007-03-07 | 松本油脂制药株式会社 | Treatment method for imparting moisture absorption/desorption properties to fibers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1665979A (en) | 2005-09-07 |
| WO2004005607A1 (en) | 2004-01-15 |
| AU2003281313A1 (en) | 2004-01-23 |
| EP1541748A4 (en) | 2008-02-20 |
| US20050246840A1 (en) | 2005-11-10 |
| CN100402735C (en) | 2008-07-16 |
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