CN111379160A - Finishing method for whitening polyester-nylon mixed fabric to resist high-temperature yellowing - Google Patents
Finishing method for whitening polyester-nylon mixed fabric to resist high-temperature yellowing Download PDFInfo
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- CN111379160A CN111379160A CN202010231010.1A CN202010231010A CN111379160A CN 111379160 A CN111379160 A CN 111379160A CN 202010231010 A CN202010231010 A CN 202010231010A CN 111379160 A CN111379160 A CN 111379160A
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- polyester
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- mixed fabric
- yellowing
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- 239000004744 fabric Substances 0.000 title claims abstract description 73
- 229920001778 nylon Polymers 0.000 title claims abstract description 55
- 239000004677 Nylon Substances 0.000 title claims abstract description 54
- 238000004383 yellowing Methods 0.000 title claims abstract description 51
- 230000002087 whitening effect Effects 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 35
- 238000007493 shaping process Methods 0.000 claims abstract description 15
- 229920006052 Chinlon® Polymers 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000012224 working solution Substances 0.000 claims abstract description 11
- 229920004933 Terylene® Polymers 0.000 claims abstract description 6
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 6
- 238000005406 washing Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 7
- 239000000835 fiber Substances 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 239000004952 Polyamide Substances 0.000 abstract description 2
- 229920002647 polyamide Polymers 0.000 abstract description 2
- 238000004043 dyeing Methods 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 7
- 238000007639 printing Methods 0.000 description 6
- 238000000748 compression moulding Methods 0.000 description 5
- 238000002791 soaking Methods 0.000 description 4
- 238000007730 finishing process Methods 0.000 description 3
- 238000000643 oven drying Methods 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- 241000519995 Stachys sylvatica Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- PIGKXHAIBGNREV-UHFFFAOYSA-N C1=CC=CC=C1C1=CC=CC=C1.C=1C=CC=CC=1C=CC1=CC=CC=C1 Chemical group C1=CC=CC=C1C1=CC=CC=C1.C=1C=CC=CC=1C=CC1=CC=CC=C1 PIGKXHAIBGNREV-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920002334 Spandex Polymers 0.000 description 1
- 229920006221 acetate fiber Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000675 fabric finishing Substances 0.000 description 1
- 238000009962 finishing (textile) Methods 0.000 description 1
- 239000006081 fluorescent whitening agent Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000009980 pad dyeing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004759 spandex Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229920006304 triacetate fiber Polymers 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/60—Optical bleaching or brightening
- D06L4/657—Optical bleaching or brightening combined with other treatments, e.g. finishing, bleaching, softening, dyeing or pigment printing
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
- D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/60—Optical bleaching or brightening
- D06L4/614—Optical bleaching or brightening in aqueous solvents
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Coloring (AREA)
Abstract
The invention relates to a finishing method for resisting high-temperature yellowing of a whitened polyester-nylon mixed fabric, which comprises the steps of S1) finishing and presetting the white polyester-nylon mixed fabric by using a high-temperature yellowing resisting agent DM-2918; s2) adopting the whitening working solution to whiten the polyester-nylon mixed fabric at low temperature in one bath; the working solution comprises 0.5-2% of terylene brightener, 0.5-1.0% of chinlon brightener, 0.3-0.5% of HAc0, and the balance of water; whitening in a dye vat, wherein the bath ratio is 1: heating at 2 ℃/min for 8-10 ℃, treating at 100 ℃ for 30min, taking out of a cylinder, washing with water at normal temperature, and drying; s3) finishing by adopting a high-temperature yellowing resistant agent DM-2918, and shaping a finished product. The invention selects the whitening agent with high temperature resistance and low yellowing, and simultaneously adopts the combined process of pre-shaping of the high temperature yellowing resistance agent and shaping of the finished product, thereby giving double protection to the polyester-nylon mixed fabric, preventing the polyamide fiber and the polyester fiber from being oxidized at high temperature and generating yellow substances, preventing the polyester-nylon mixed fabric from yellowing, and providing an effective finishing method for improving the application value of the polyester-nylon mixed fabric.
Description
Technical Field
The invention belongs to the technical field of fabric finishing, and particularly relates to a finishing method for resisting high-temperature yellowing of a whitened polyester-nylon mixed fabric.
Background
The polyester-nylon mixed fabric has higher strength, better wear resistance, excellent wearability, bright color and luster, soft and smooth hand feeling, and is a high-grade fabric; the wearing comfort of the fabric is better than that of the pure terylene fabric, and the color of the fabric is brighter than that of the pure chinlon fabric. The whitening polyester-nylon mixed fabric is commonly used as the fabric of underwear, swimwear and sportswear. The invention with the publication number of CN107503200A discloses a dyeing and finishing process of a pure nylon fabric, which effectively prevents the cloth surface quality problems of yellowing after molding, fluorescent flowers, yellow spots and the like, the polyester-nylon mixed fabric has significant difference in physical and chemical properties of polyester and nylon fibers, the difficulty of high-temperature yellowing resistance of the polyester-nylon mixed fabric is far higher than that of the pure nylon fabric, the polyester-nylon mixed fabric needs high-temperature shaping in order to keep the size stability of the polyester-nylon fabric in the printing and dyeing process, the high-temperature shaping can cause the whole yellowing of the whitened polyester-nylon mixed fabric or partial yellowing and yellow spots of the whitened polyester-nylon mixed fabric, the cost loss can be caused once the whitening polyester-nylon mixed fabric is difficult to be repaired again, the high-temperature yellowing resistance of the whitened polyester-nylon mixed fabric is always a difficult problem in the printing and dyeing industry, and the scheme for improving.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a finishing method for whitening polyester-nylon mixed fabric to resist high-temperature yellowing, which can effectively prevent the polyester-nylon mixed fabric from yellowing in the processes of high-temperature setting and high-temperature compression molding treatment, prevent the whiteness of the fabric from being reduced and solve the industrial problem of the polyester-nylon mixed fabric to resist high-temperature yellowing. The finishing process is convenient to operate, does not affect the hand feeling and the color light of the fabric, does not need to additionally increase the equipment cost, and does not pollute the environment.
The technical scheme for solving the technical problem is as follows: a finishing method for resisting high-temperature yellowing of a whitened polyester-nylon intertexture is characterized by comprising the following steps: s1) finishing the white polyester-nylon mixed fabric by using a high-temperature yellowing resistant agent DM-2918, and presetting;
s2) adopting the whitening working solution to whiten the polyester-nylon mixed fabric at low temperature in one bath; the working solution comprises a terylene whitening agent DM-2608, a chinlon whitening agent DM-2650, HAc and water; the composition owf is:
wherein, X% is 0.5-2%, Y% is 0.5-1.0%, Z% is 0.2-0.5%, and K% is 0.3-0.5%;
whitening in a dye vat, wherein the bath ratio is 1: heating at 2 ℃/min for 8-10 ℃, treating at 100 ℃ for 30min, taking out of a cylinder, washing with water at normal temperature, and drying;
s3) finishing by adopting a high-temperature yellowing resistant agent DM-2918, and shaping a finished product.
In the finishing method for resisting high-temperature yellowing of the whitening polyester-nylon mixed fabric, in the step S1), the dosage of the high-temperature yellowing resisting agent DM-2918 is 1-3 g/L, and the finishing method is performed by soaking and rolling on a setting machine for 30 seconds at 160-170 ℃.
In the finishing method for resisting high-temperature yellowing of the whitening polyester-nylon mixed fabric, in the step S3), the dosage of the high-temperature yellowing resisting agent DM-2918 is 3-10 g/L, and the finishing method is used for shaping for 30 seconds at 160-180 ℃ after one-time soaking and one-time rolling on a shaping machine.
The invention has the beneficial effects that:
according to the invention, the whitening agent with high temperature resistance and low yellowing is selected, so that the yellowing of the polyester-nylon mixed fabric is reduced; meanwhile, a combined process of pre-shaping by using a high-temperature yellowing resistant agent and shaping of a finished product is adopted, so that the polyester-nylon mixed fabric is protected from being oxidized at high temperature to generate yellow substances, the yellowing of the polyester-nylon mixed fabric is prevented, and an effective finishing method is provided for improving the application value of the polyester-nylon mixed fabric. Therefore, the invention has the beneficial effects that:
(1) preventing yellowing and avoiding loss
The whitening polyester-nylon mixed fabric is prevented from yellowing, the whiteness of the polyester-nylon mixed fabric is prevented from being reduced, the repair in the textile processing process is reduced, and the production efficiency is improved; reduce the yellowing of the polyester-nylon mixed fabric and avoid unnecessary loss because the polyester-nylon mixed fabric can not be repaired again.
(2) Does not increase the equipment cost and is easy to realize industrialization
The finishing method has no special requirements on the used dye vat and the used setting machine, the existing equipment of a printing and dyeing mill can be directly used for operation, and the one-dip-one-rolling process in the processes of presetting and finished product setting is simple and easy to operate and realize the industry.
(3) Considerable economic benefit
The whitening polyester-nylon mixed fabric has wide application, can be directly used as underwear and can also be used as bright swimwear or high-grade sportswear after being printed, and the high-temperature yellowing resistance method of the whitening polyester-nylon mixed fabric can reduce the yellowing of the fabric, reduce the economic loss and has considerable economic benefit.
(4) Water and energy saving, and high productivity
According to the invention, the polyester-nylon mixed fabric is whitened in one bath at a low temperature of 100 ℃, and compared with the traditional two-step method of whitening terylene at 120 ℃ and whitening nylon fabric at 100 ℃, the energy and water are saved.
(5) No environmental pollution
The traditional printing and dyeing industry is taken as a high-pollution industry, the ecological environment is seriously influenced, along with the increasing enhancement of environmental protection and ecological consciousness of people, the printing and dyeing industry strives to develop and optimize a processing technology all the time, the finishing invention does not pollute the environment, and the requirements of people on the ecological environment at present are met.
Detailed Description
The following examples of the present invention are described in detail, and are only for the purpose of illustrating the present invention and are not to be construed as limiting the present invention.
The first embodiment is as follows: 16.67tex/72 polyester/nylon mixed fabric underwear fabric (polyester/nylon ratio 80: 20)
(1) The high temperature yellowing resistant agent DM-29182 g/L is soaked and rolled in working solution and preset at 160 ℃ for 30 seconds.
(2) Polyester whitening agent DM-26081.5% (owf),
the chinlon whitening agent DM-26500.5% (owf),
HAc 0.3％(owf)，
bath ratio of 1: heating at a temperature of 10 deg.C/min and 2 deg.C/min, treating at 100 deg.C for 30min, taking out, washing with water at normal temperature, and oven drying.
(4) Finishing by using a high-temperature yellowing resistant agent DM-29185 g/L, and shaping the finished product at 165 ℃ for 30 seconds.
The high-temperature process for manufacturing the bra comprises the following steps: adding sponge, and pressing at 185 deg.C for 3min with a cup press. The whiteness of the fabric after whitening, before compression molding and after compression molding was measured using a computer tester as follows:
it can be seen from the above table that the whiteness is not much changed, which indicates that the finishing method in the discovery can effectively prevent the whitening polyester-nylon mixed fabric from yellowing.
Owf refers to the concentration units based on the weight of the fabric in the dyeing and finishing process, the concentration of dye or printing aid relative to the percentage of the fabric, the ratio of dye or aid to the weight of the fabric. HAc chemical formula CH3COOH, is an organic monoacid.
DM-2650 is a chinlon whitening agent produced by Demei group, is a compound of stilbene biphenyl derivatives, is suitable for whitening and brightening polyamide fibers, can also be used for whitening treatment of wool, silk, acetate fibers, triacetate fibers and cotton fibers, and is a high-efficiency chinlon fluorescent whitening agent. Is suitable for processing technologies such as pad dyeing, dip dyeing and the like.
DM-2608 is a terylene whitening agent produced by Demei group, is suitable for low-temperature whitening treatment of polyester fiber and blended products thereof, and can make finished products obtain excellent whiteness.
DM-2918 is a white spot preventing agent produced by Demei group, belongs to a compound with a special structure, can prevent amino and carboxyl on the chinlon from being damaged due to the action of light, heat and an oxidant, and can effectively prevent white spots on the cloth cover of the chinlon and the chinlon/spandex fabric after dyeing. The product has excellent heat resistance and freeze resistance stability.
Example two: 82X 18 polyester/nylon knitted fabric swimsuit fabric (polyester/nylon ratio 50: 50)
(1) Carrying out one-dipping one-rolling on a working solution of the high-temperature yellowing resistant agent DM-29182 g/L, and presetting at 165 ℃ for 30 seconds;
(2) polyester whitening agent DM-26081.0% (owf),
the chinlon whitening agent DM-26501.0% (owf),
HAc 0.5％(owf)，
treating at 100 deg.C for 30min at a bath ratio of 1: 8, taking out, washing with water at normal temperature, oven drying, and collecting 10 × 10cm cloth sample.
(4) Soaking and rolling a high-temperature yellowing resistant agent DM-29188 g/L working solution, and shaping a finished product at 170 ℃ for 30 seconds; compared with the cloth sample remained in the previous step, the treated fabric has no yellowing phenomenon, and the produced whitening 3000-meter swimsuit fabric has pure color light.
Example three: 96g/m2Polyester-nylon woven cloth (sportswear coat fabric) (polyester: nylon ratio 70: 30)
(1) Carrying out one-dipping one-rolling on a working solution of the high-temperature yellowing resistant agent DM-29181 g/L, and presetting at 165 ℃ for 30 seconds;
(2) polyester whitening agent DM-26080.8% (owf),
the chinlon whitening agent DM-26500.8% (owf),
HAc 0.3％(owf)，
bath ratio of 1: treating at 10 deg.C and 100 deg.C for 30min, taking out, washing with water at normal temperature, and oven drying.
(4) Soaking and rolling a high-temperature yellowing resistant agent DM-29186 g/L working solution, and shaping a finished product at 175 ℃ for 30 seconds; the whiteness of the fabric after whitening, before compression molding and after compression molding was measured using a computer tester as follows:
from the above table, it can be seen that the change of the whiteness value after the high-temperature treatment is not large, which indicates that the finishing method in the invention can effectively prevent the polyester-nylon mixed fabric from yellowing.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents, and all changes that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (3)
1. A finishing method for resisting high-temperature yellowing of a whitened polyester-nylon intertexture is characterized by comprising the following steps:
s1) finishing the white polyester-nylon mixed fabric by using a high-temperature yellowing resistant agent DM-2918, and presetting;
s2) adopting the whitening working solution to whiten the polyester-nylon mixed fabric at low temperature in one bath; the working solution comprises a terylene whitening agent DM-2608, a chinlon whitening agent DM-2650, HAc and water; the composition owf is:
wherein, X% is 0.5-2%, Y% is 0.5-1.0%, Z% is 0.2-0.5%, and K% is 0.3-0.5%;
whitening in a dye vat, wherein the bath ratio is 1: heating at 2 ℃/min for 8-10 ℃, treating at 100 ℃ for 30min, taking out of a cylinder, washing with water at normal temperature, and drying;
s3) finishing by adopting a high-temperature yellowing resistant agent DM-2918, and shaping a finished product.
2. The finishing method for resisting high-temperature yellowing of the whitening polyester-nylon mixed fabric according to claim 1, characterized in that: in the step S1), the dosage of the high-temperature yellowing resistant agent DM-2918 is 1-3 g/L, and the high-temperature yellowing resistant agent DM-2918 is subjected to preshaping for 30 seconds at 160-170 ℃ after being soaked and rolled on a setting machine.
3. The finishing method for resisting high-temperature yellowing of the whitening polyester-nylon mixed fabric according to claim 1, characterized in that: in the step S3), the dosage of the high-temperature yellowing resistant agent DM-2918 is 3-10 g/L, and the high-temperature yellowing resistant agent DM-2918 is shaped for 30 seconds at 160-180 ℃ after being soaked and rolled on a shaping machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010231010.1A CN111379160A (en) | 2020-03-27 | 2020-03-27 | Finishing method for whitening polyester-nylon mixed fabric to resist high-temperature yellowing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010231010.1A CN111379160A (en) | 2020-03-27 | 2020-03-27 | Finishing method for whitening polyester-nylon mixed fabric to resist high-temperature yellowing |
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| CN202010231010.1A Pending CN111379160A (en) | 2020-03-27 | 2020-03-27 | Finishing method for whitening polyester-nylon mixed fabric to resist high-temperature yellowing |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184179A (en) * | 1997-12-26 | 1998-06-10 | 中国科学院感光化学研究所 | Dispersion of fluorescent whitening agent in the same bath of polyester/cotton and its preparation method |
| AU2007207050A1 (en) * | 2006-01-18 | 2007-07-26 | Basf Se | Process for the treatment of fiber materials |
| CN105019266A (en) * | 2015-08-14 | 2015-11-04 | 太仓市诚乐化纤有限公司 | Polyamide fabric modifying, dyeing and finishing process |
| CN107841866A (en) * | 2017-11-29 | 2018-03-27 | 互太(番禺)纺织印染有限公司 | A kind of preparation method of white fabrics |
| CN110904668A (en) * | 2019-11-26 | 2020-03-24 | 鲁丰织染有限公司 | Continuous processing method of durable yellowing-resistant high-whiteness cotton fabric |
-
2020
- 2020-03-27 CN CN202010231010.1A patent/CN111379160A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184179A (en) * | 1997-12-26 | 1998-06-10 | 中国科学院感光化学研究所 | Dispersion of fluorescent whitening agent in the same bath of polyester/cotton and its preparation method |
| AU2007207050A1 (en) * | 2006-01-18 | 2007-07-26 | Basf Se | Process for the treatment of fiber materials |
| CN105019266A (en) * | 2015-08-14 | 2015-11-04 | 太仓市诚乐化纤有限公司 | Polyamide fabric modifying, dyeing and finishing process |
| CN107841866A (en) * | 2017-11-29 | 2018-03-27 | 互太(番禺)纺织印染有限公司 | A kind of preparation method of white fabrics |
| CN110904668A (en) * | 2019-11-26 | 2020-03-24 | 鲁丰织染有限公司 | Continuous processing method of durable yellowing-resistant high-whiteness cotton fabric |
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