CN105420925A - Method for preparing cellulose non-woven fabric with mildew-proof, anti-bacterial and deodorant functions through electrostatic size spraying - Google Patents
Method for preparing cellulose non-woven fabric with mildew-proof, anti-bacterial and deodorant functions through electrostatic size spraying Download PDFInfo
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- CN105420925A CN105420925A CN201510727531.5A CN201510727531A CN105420925A CN 105420925 A CN105420925 A CN 105420925A CN 201510727531 A CN201510727531 A CN 201510727531A CN 105420925 A CN105420925 A CN 105420925A
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- cellulose
- mildew
- mucus
- polyvinylpyrrolidone
- nonwovens
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- 229920002678 cellulose Polymers 0.000 title claims abstract description 67
- 239000001913 cellulose Substances 0.000 title claims abstract description 67
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 52
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000005507 spraying Methods 0.000 title claims abstract description 6
- 239000002781 deodorant agent Substances 0.000 title abstract 5
- 229920001661 Chitosan Polymers 0.000 claims abstract description 33
- LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical compound CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 28
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims abstract description 28
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims abstract description 28
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 23
- 238000005406 washing Methods 0.000 claims abstract description 19
- 239000011259 mixed solution Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000004048 modification Effects 0.000 claims abstract description 10
- 238000012986 modification Methods 0.000 claims abstract description 10
- 230000008929 regeneration Effects 0.000 claims abstract description 8
- 238000011069 regeneration method Methods 0.000 claims abstract description 8
- 238000009987 spinning Methods 0.000 claims abstract description 8
- 229920002521 macromolecule Polymers 0.000 claims abstract description 6
- 210000003097 mucus Anatomy 0.000 claims description 33
- 238000004332 deodorization Methods 0.000 claims description 28
- 239000000835 fiber Substances 0.000 claims description 21
- 230000003068 static effect Effects 0.000 claims description 12
- 239000003513 alkali Substances 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000001704 evaporation Methods 0.000 claims description 9
- 230000008020 evaporation Effects 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 8
- 210000002966 serum Anatomy 0.000 claims description 8
- 229920003043 Cellulose fiber Polymers 0.000 claims description 7
- 239000003814 drug Substances 0.000 claims description 7
- 229940079593 drug Drugs 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000006116 polymerization reaction Methods 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 230000006196 deacetylation Effects 0.000 claims description 6
- 238000003381 deacetylation reaction Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 241000238557 Decapoda Species 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 238000007639 printing Methods 0.000 claims description 4
- 150000004965 peroxy acids Chemical class 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000003595 mist Substances 0.000 abstract 1
- 238000007709 nanocrystallization Methods 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 14
- 229920002101 Chitin Polymers 0.000 description 9
- 229910021529 ammonia Inorganic materials 0.000 description 7
- 230000001954 sterilising effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 230000002045 lasting effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 239000012209 synthetic fiber Substances 0.000 description 3
- 125000003047 N-acetyl group Chemical group 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 241000219095 Vitis Species 0.000 description 2
- 235000009754 Vitis X bourquina Nutrition 0.000 description 2
- 235000012333 Vitis X labruscana Nutrition 0.000 description 2
- 235000014787 Vitis vinifera Nutrition 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 230000000845 anti-microbial effect Effects 0.000 description 2
- RASZIXQTZOARSV-BDPUVYQTSA-N astacin Chemical compound CC=1C(=O)C(=O)CC(C)(C)C=1/C=C/C(/C)=C/C=C/C(/C)=C/C=C/C=C(C)C=CC=C(C)C=CC1=C(C)C(=O)C(=O)CC1(C)C RASZIXQTZOARSV-BDPUVYQTSA-N 0.000 description 2
- 235000009508 confectionery Nutrition 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 241000143060 Americamysis bahia Species 0.000 description 1
- 102000034498 Astacin Human genes 0.000 description 1
- 108090000658 Astacin Proteins 0.000 description 1
- FMKGDHLSXFDSOU-BDPUVYQTSA-N Dienon-Astacin Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1=C(C)C(=O)C(=CC1(C)C)O)C=CC=C(/C)C=CC2=C(C)C(=O)C(=CC2(C)C)O FMKGDHLSXFDSOU-BDPUVYQTSA-N 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 230000021736 acetylation Effects 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 235000003676 astacin Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000010909 process residue Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/04—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres
- D04H1/26—Wood pulp
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Artificial Filaments (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention provides a method for preparing cellulose non-woven fabric with mildew-proof, anti-bacterial and deodorant functions through electrostatic size spraying. The method comprises the steps that natural chitosan macromolecule which is subjected to function modification and nanocrystallization is added into mixed size of wood pulp with a polyvinylpyrrolidone and n-methyl morpholine oxide mixed solution to be mixed and dissolved into grume; the grume is sprayed out of a spinning port in an electrostatic size spraying mode to form non-woven fabric silk mesh; the non-woven fabric silk mesh is subjected to curing and regeneration through water mist and then subjected to water washing, water needle rolling, drying, reeling and the like, and accordingly the natural cellulose non-woven fabric with the mildew-proof, anti-bacterial and deodorant functions of the continuous filament pattern can be prepared. The prepared natural cellulose non-woven fabric with the mildew-proof, anti-bacterial and deodorant functions can still maintain the original mildew-proof, anti-bacterial and deodorant functions after being washed 50 times through water.
Description
Technical field
The invention relates to a kind of method with Static guniting preparation with mildew-resistant, antibacterial and deodorization functions cellulose Nonwovens, especially a kind of environmental protection processing procedure that there is low manufacturing cost and environmental pollution can not be caused, its obtained Nonwovens finished product belongs to long fiber kenel, and there is mildew-resistant, antibacterial and deodorization functions, and then can be applied in the purposes such as textiles, medical and health, filtering material, biotechnology material and the wiping of photoelectricity wafer.
Background technology
Nonwovens made by current artificial synthetic fiber, by the high molecular polymerization raw material of melting, with direct extrusion molding (spunlaid) after extruding and extending to form continuous print long fiber, be stacked into net form again and formed Nonwovens finished product, Nonwovens can be given because of long fiber and there is the physical property such as good gas permeability and water absorption rate, therefore be widely used on the fields such as such as amenities, wiping material, medical protection and filter material in large quantities, and according to the statistics of Nonwovens TIA of the U.S. (INDA), the city of this artificial synthetic fiber's Nonwovens accounts for rate has grown to 2009 43.7% (first) from 33.5% in 1994 (second), overall output also reaches annual 2.7 hundred ten thousand tons, and its maximum raw material used in producing, be sequentially polypropylene (PP), polyester (PET), polyethylene (PE) and nylon (Nylon), account for 96% of total use amount altogether, therefore when these a large amount of artificial synthetic fiber's Nonwovenss become discarded object after using, owing to cannot be decomposed by natural environment, on the contrary huge bad impact results is produced to environment.
Another chitin, spherical chitosan are with the straight-chain high molecular polymer of β-Isosorbide-5-Nitrae bond by monomer N-acetyl grape amine candy and grape amine candy; Chitin class material is very wide in occurring in nature distribution, and also containing quite abundant chitin in shrimp and crab shells, with regard to the viewpoint of food processing waste utilization, chitin and spherical chitosan are quite worth being developed.In addition, the output of shrimp crab processing and the output value, it is TaiWan, China fishery technology main project for a long time, being rich in the composition that protein, astacin, chitin etc. are valuable in its discarded object, if do not processed, very easily causing the burden of ecological environment, if can by it utilization to manufacture the product of high value, can not only solve the problem of discarded object, can increase again economic value, be serve multiple.
Moreover; the crust of Shrimp waste about can obtain the chitin class material of 20 ~ 30% after suitable purifying; if wish to get the spherical chitosan of multiple different degree of acetylation; only the go acetyl process of chitin through high temperature alkali just can need be obtained; and chitin/spherical chitosan has Biodegradable and bio-compatibility; except to except environment fanout free region, have more the effects such as excellent mildew-resistant, antibacterial and deodorization functions.
Therefore, as how natural fabric raw material and low cost processing procedure obtain the Nonwovens product of long fiber kenel with excellent mildew-resistant, antibacterial and deodorization functions, important business anxious to be broken through just is become.
Patent CN102127841A discloses a kind of with the melt-blown method for making with mildew-resistant, antibacterial and deodorization functions cellulose Nonwovens of wet type.Firm method for making is added by the natural spherical chitosan macromolecule through functionalized modification and nanometer in the slurries that are deployed into wood pulp and oxidation methyl agate beautiful jade, its phase mixed dissolution is made to become mucus, in melt-blown mode, this mucus is formed Nonwovens silk screen from spinning mouth ejection again, regeneration is solidified through water smoke, finally by washing, liquid drugs injection rolls, dry and after batching supervisor, continuous long fiber wire type state can be obtained and there is the native cellulose Nonwovens of mildew-resistant, antibacterial and deodorization functions.Although the cellulose Nonwovens prepared by the method has mildew-resistant, antibacterial and deodorization functions, its Durability of antimicrobial effect need further raising, and especially after repeatedly washing, anti-microbial property declines to some extent.
Summary of the invention
For above-mentioned deficiency of the prior art, the object of the present invention is to provide the preparation method of the endurable cellulose Nonwovens of a kind of antibiotic property, it has mildew-resistant, antibacterial and deodorization functions cellulose Nonwovens by high-pressure electrostatic whitewashing preparation, utilize the synergy of polyvinylpyrrolidone and methyl morpholine oxide, and coordinate high-pressure electrostatic to whitewash can to obtain continuous long fiber wire type state and there is the native cellulose Nonwovens of lasting mildew-resistant, antibacterial and deodorization functions; Because the short manufacturing cost that makes of this processing procedure reduces, this native cellulose Nonwovens made still can possess original mildew-resistant, antibacterial and deodorization functions through washing 50 times.
In order to realize foregoing invention object, technical scheme of the present invention is:
Static guniting preparation has a method for mildew-resistant, antibacterial and deodorization functions cellulose Nonwovens, it is characterized in that: said method comprising the steps of:
A. be raw material with wood pulp; Select α-the wood pulp cellulose of the long and short fiber of content of cellulose more than 85%, its cellulosic degree of polymerization is between 500-1200;
B. the mixed solution of polyvinylpyrrolidone and methyl morpholine oxide is added in wood pulp, and dissolve the mixed serum being deployed into wood pulp and polyvinylpyrrolidone and methyl morpholine oxide;
C. the natural spherical chitosan macromolecule through functionalized modification and nanometer is added in the mixed serum that above-mentioned wood pulp and polyvinylpyrrolidone and methyl morpholine oxide be deployed into, and make it be mixed to form mucus mutually; It utilizes horizontal paste mixer, by this wood pulp cellulose, polyvinylpyrrolidone and the mixed solution of methyl morpholine oxide and after functionalized modification is inserted together with the natural spherical chitosan of nanometer, high-speed stirred is carried out with 40-50 DEG C of low temperature, recycling Vacuum film evaporation device is with 80 DEG C ~ 120 DEG C heating, in 5 minutes, evaporation dissolves the eliminating of mixed moisture content to 5-13%, can form mucus; The content of cellulose of this mucus is 12-15wt%, and this mucus viscosity is 1500-2000, and this mucus printing opacity index is 1.55-1.60, and this mucus melt index is 740-1000;
D. in the mode of Static guniting, mucus is formed cellulose tow from spinning mouth ejection, voltage of wherein whitewashing is 3-4KV;
E. spraying water smoke makes cellulose tow solidify regeneration, more sequentially through washing, liquid drugs injection rolls, dry and batch supervisor, i.e. obtained continuous long fiber wire type state and there is the native cellulose Nonwovens of mildew-resistant, antibacterial and deodorization functions.
Wherein, the content of cellulose of this mucus can be 12wt%, 13wt%, 14wt% or 15wt% etc.; The viscosity of this mucus can be 1500,1600,1700,1800,1900 or 2000 etc.; The printing opacity index of this mucus can be 1.55,1.56,1.57,1.58,1.59 or 1.60 etc.; The melt index of this mucus can be 740,800,850,900,950 or 1000 etc.
Wherein, voltage of whitewashing can be 3KV, 3.5KV or 4KV etc.
Wherein, in this step c, natural spherical chitosan is with discarded shrimp and crab shells for raw material, makes its separation and purification after peracid, alkali treatment, and the degree of deacetylation of spherical chitosan obtained by it is between 50-99%.
Wherein, in this step b polyvinylpyrrolidone and methyl morpholine oxide mixed solution in the mass ratio of polyvinylpyrrolidone and methyl morpholine oxide be (3-5): 1, such as 3:1,4:1 or 5:1 etc., be preferably 4:1.Wherein, in step e, this native cellulose Nonwovens is continuous print filament, the fibre number of this native cellulose fibre Nonwovens is 20-25 μm, and such as 20 μm, 21 μm, 22 μm, 23 μm, 24 μm or 25 μm etc., the basic weight of this native cellulose Nonwovens is 150-200g/m
2, such as 150g/m
2, 160g/m
2, 170g/m
2, 180g/m
2, 190g/m
2or 200g/m
2deng.
Wherein, in step c, the molecular weight of this spherical chitosan is 10,000-520,000.
Wherein, the content that in step c, this spherical chitosan accounts for cellulose fibre is 0.1-7.0wt%.
Wherein, in step e, the coiling speed of this continuous long fiber wire type state native cellulose Nonwovens is 2-200 meter per minute.
Wherein, this acid, alkali treatment acid used is hydrochloric acid or sulfuric acid.
Wherein, this acid, alkali treatment alkali used is NaOH or potassium hydroxide.
The present invention adopts Static guniting to prepare the method with mildew-resistant, antibacterial and deodorization functions cellulose Nonwovens, its advantage and effect are: the synergy utilizing polyvinylpyrrolidone and methyl morpholine oxide, and coordinate high-pressure electrostatic to whitewash can to obtain continuous long fiber wire type state and there is the native cellulose Nonwovens of lasting mildew-resistant, antibacterial and deodorization functions, this native cellulose Nonwovens made still can possess original mildew-resistant, antibacterial and deodorization functions through washing 50 times.
Detailed description of the invention
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The present invention has mildew-resistant, antibacterial and deodorization functions cellulose Nonwovens with Static guniting preparation, and described preparation method comprises the following steps:
A. be raw material with wood pulp; Select α-the wood pulp cellulose of the long and short fiber of content of cellulose more than 85%, its cellulosic degree of polymerization is between 500-1200;
B. the mixed solution of polyvinylpyrrolidone and methyl morpholine oxide is added in wood pulp, and dissolve the slurries being deployed into wood pulp and polyvinylpyrrolidone and methyl morpholine oxide;
C. the natural spherical chitosan macromolecule through functionalized modification and nanometer is added in the mixed serum that above-mentioned wood pulp and polyvinylpyrrolidone and methyl morpholine oxide be deployed into, and make it be mixed to form mucus mutually; It utilizes horizontal paste mixer, by this wood pulp cellulose, methyl morpholine oxide solvent and after functionalized modification is inserted together with the natural spherical chitosan of nanometer, high-speed stirred is carried out with 40-50 DEG C of low temperature, recycling Vacuum film evaporation device is with 80 DEG C-120 DEG C heating, in 5 minutes, evaporation dissolves the eliminating of mixed moisture content to 5-13%, can form mucus;
D. in the mode of Static guniting, mucus is formed cellulose tow from spinning mouth ejection, voltage of wherein whitewashing is 3-4KV;
E. spraying water smoke makes cellulose tow solidify regeneration, more sequentially through washing, liquid drugs injection rolls, dry and batch supervisor, i.e. obtained continuous long fiber wire type state and there is the native cellulose Nonwovens of mildew-resistant, antibacterial and deodorization functions.
Wherein, in step b polyvinylpyrrolidone and methyl morpholine oxide mixed solution in the mass ratio of polyvinylpyrrolidone and methyl morpholine oxide be (3-5): 1, be preferably 4:1.
Wherein, in step c natural spherical chitosan macromolecule mainly with discarded shrimp and crab shells for raw material; first give separation and purification become chitin through peracid, alkali treatment; spherical chitosan is formed again via removing N-acetyl group after hot alkali treatment; last by control NaOH concentration, heating-up temperature and time; and this spherical chitosan is imposed deacetylated, make its degree of deacetylation between 50-99%.
In step c, the content of cellulose of this mucus is 12-15wt%, and the viscosity of its mucus is 1500-2000, and the melt index that the printing opacity index of mucus is 1.55-1.60 and mucus is 740-1000.
The functionalized modification of this natural spherical chitosan and the mode of nanometer in another step c, first control technology processed with molecular weight, during high molecular spherical chitosan is degraded into, low molecular weight spherical chitosan, again with quarternary ammonium salt technology by this, low molecular weight spherical chitosan carries out preliminary macro upgrading, finally can complete its functionalized modification and nanometer with sol-gel process again, it possesses good biological compatibility and biologically active promotes effect.
Wherein, in step e, its coiling speed is 2 ~ 200 meters per minute.
For proving feature of the present invention further and implementing effect, be carried out every test examples and illustrated as rear:
Embodiment 1:
By the mixed solution of polyvinylpyrrolidone and methyl morpholine oxide (wherein; the mass ratio of polyvinylpyrrolidone and methyl morpholine oxide is 4:1) to add the degree of polymerization be form mixed serum in the wood pulp cellulose of 650; again wherein add degree of deacetylation be the spherical chitosan of 60% (wherein; the content that spherical chitosan accounts for cellulose fibre is 5wt%) then utilize Vacuum film evaporation device to evaporate unnecessary moisture content; with 100 DEG C of heating; get rid of moisture in 5 minutes to 5-13%, cellulose dissolution can be become mucus.
In the mode of Static guniting, mucus is formed cellulose tow (wherein from spinning mouth ejection again, whitewashing voltage is 3.5KV), then regeneration is solidified with water smoke, again through washing, liquid drugs injection rolls, dry and batch, obtained continuous long fiber wire type state and there is the native cellulose Nonwovens of mildew-resistant, antibacterial and deodorization functions.
This native cellulose Nonwovens made still can possess original mildew-resistant, antibacterial and deodorization functions through washing 50 times, and it inhales ammonia rate is 87%, and mildew-resistant numerical value Increment/Decrement is 4.3, sterilizing value > 5.8.
Embodiment 2:
By the mixed solution of polyvinylpyrrolidone and methyl morpholine oxide (wherein; the mass ratio of polyvinylpyrrolidone and methyl morpholine oxide is 3:1) to add the degree of polymerization be form mixed serum in the wood pulp cellulose of 500; again wherein add degree of deacetylation be the spherical chitosan of 50% (wherein; the content that spherical chitosan accounts for cellulose fibre is 0.1wt%) then utilize Vacuum film evaporation device to evaporate unnecessary moisture content; with 120 DEG C of heating; get rid of moisture in 5 minutes to 5-13%, cellulose dissolution can be become mucus.
In the mode of Static guniting, mucus is formed cellulose tow (wherein from spinning mouth ejection again, whitewashing voltage is 4KV), then regeneration is solidified with water smoke, again through washing, liquid drugs injection rolls, dry and batch, obtained continuous long fiber wire type state and there is the native cellulose Nonwovens of mildew-resistant, antibacterial and deodorization functions.
This native cellulose Nonwovens made still can possess original mildew-resistant, antibacterial and deodorization functions through washing 55 times, and it inhales ammonia rate is 85%, and mildew-resistant numerical value Increment/Decrement is 4.1, sterilizing value > 5.1.
Embodiment 3:
By the mixed solution of polyvinylpyrrolidone and methyl morpholine oxide (wherein; the mass ratio of polyvinylpyrrolidone and methyl morpholine oxide is 5:1) to add the degree of polymerization be form mixed serum in the wood pulp cellulose of 1200; again wherein add degree of deacetylation be the spherical chitosan of 99% (wherein; the content that spherical chitosan accounts for cellulose fibre is 7wt%) then utilize Vacuum film evaporation device to evaporate unnecessary moisture content; with 80 DEG C of heating; get rid of moisture in 5 minutes to 5-13%, cellulose dissolution can be become mucus.
In the mode of Static guniting, mucus is formed cellulose tow (wherein from spinning mouth ejection again, whitewashing voltage is 3KV), then regeneration is solidified with water smoke, again through washing, liquid drugs injection rolls, dry and batch, obtained continuous long fiber wire type state and there is the native cellulose Nonwovens of mildew-resistant, antibacterial and deodorization functions.
This native cellulose Nonwovens made still can possess original mildew-resistant, antibacterial and deodorization functions through washing 50 times, and it inhales ammonia rate is 84%, and mildew-resistant numerical value Increment/Decrement is 4.2, sterilizing value > 5.3.
Comparative example 1:
Embodiment 1 in patent CN102127841A, the native cellulose Nonwovens made is after washing 20 times, and it inhales ammonia rate is 19.5%, and mildew-resistant numerical value Increment/Decrement is 1.25, sterilizing value > 1.2.
Comparative example 2:
Except solvent only adopts methyl morpholine oxide, other steps are all in the same manner as in Example 1, and the native cellulose Nonwovens made is after washing 20 times, and it inhales ammonia rate is 21%, mildew-resistant numerical value Increment/Decrement is 1.60, sterilizing value > 2.3.
Comparative example 3:
Except solvent only adopts polyvinylpyrrolidone, other steps are all in the same manner as in Example 1, and the native cellulose Nonwovens made is after washing 20 times, and it inhales ammonia rate is 23.1%, mildew-resistant numerical value Increment/Decrement is 2.10, sterilizing value > 2.8.
Comparative example 4:
Except adopting the mode of wet type spray fusing and whitewashing, other steps are all in the same manner as in Example 1, and the native cellulose Nonwovens made is after washing 20 times, and it inhales ammonia rate is 22.1%, mildew-resistant numerical value Increment/Decrement is 2.31, sterilizing value > 2.4.
The result of integrated embodiment 1-3 and comparative example 1-4 can be found out, the present invention utilizes the synergy of polyvinylpyrrolidone and methyl morpholine oxide, and coordinate high-pressure electrostatic to whitewash can to obtain continuous long fiber wire type state and there is the native cellulose Nonwovens of lasting mildew-resistant, antibacterial and deodorization functions, this native cellulose Nonwovens made still can possess original mildew-resistant, antibacterial and deodorization functions through washing 50 times.
Applicant states, the present invention illustrates process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned processing step, does not namely mean that the present invention must rely on above-mentioned processing step and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of auxiliary element, the concrete way choice etc. of raw material selected by the present invention, all drops within protection scope of the present invention and open scope.
Claims (9)
1. Static guniting preparation has a method for mildew-resistant, antibacterial and deodorization functions cellulose Nonwovens, it is characterized in that: said method comprising the steps of:
A. be raw material with wood pulp, select the wood pulp cellulose of the long and short fiber of alpha-cellulose content more than 85%, its cellulosic degree of polymerization is between 500-1200;
B. the mixed solution of polyvinylpyrrolidone and methyl morpholine oxide is added in wood pulp, and dissolve the mixed serum being deployed into wood pulp and polyvinylpyrrolidone and methyl morpholine oxide;
C. the natural spherical chitosan macromolecule through functionalized modification and nanometer is added in the mixed serum that above-mentioned wood pulp and polyvinylpyrrolidone and methyl morpholine oxide be deployed into, and make it be mixed to form mucus mutually; It utilizes horizontal paste mixer, by this wood pulp cellulose, polyvinylpyrrolidone and the mixed solution of methyl morpholine oxide and after functionalized modification is inserted together with the natural spherical chitosan of nanometer, high-speed stirred is carried out with 40-50 DEG C of low temperature, recycling Vacuum film evaporation device is with 80-120 DEG C of heating, in 5 minutes, evaporation dissolves the eliminating of mixed moisture content to 5-13%, can form mucus; The content of cellulose of this mucus is 12-15wt%, and this mucus viscosity is 1500-2000, and this mucus printing opacity index is 1.55-1.60, and this mucus melt index is 740-1000;
D. in the mode of Static guniting, mucus is formed cellulose tow from spinning mouth ejection, voltage of wherein whitewashing is 3-4KV;
E. spraying water smoke makes this cellulose tow solidify regeneration, more sequentially through washing, liquid drugs injection rolls, dry and batch program, i.e. obtained continuous long fiber wire type state and there is the native cellulose Nonwovens of mildew-resistant, antibacterial and deodorization functions.
2. method according to claim 1, is characterized in that: in this step c, natural spherical chitosan is with discarded shrimp and crab shells for raw material, makes its separation and purification after peracid, alkali treatment, and the degree of deacetylation of spherical chitosan obtained by it is between 50-99%.
3. method according to claim 1 and 2, is characterized in that: in this step b polyvinylpyrrolidone and methyl morpholine oxide mixed solution in the mass ratio of polyvinylpyrrolidone and methyl morpholine oxide be (3-5): 1, be preferably 4:1.
4. the method according to any one of claim 1-3, it is characterized in that: in step e, this native cellulose Nonwovens is continuous print filament, the fibre number of this native cellulose fibre Nonwovens is 20-25um, and the basic weight of this native cellulose Nonwovens is 150-200g/m
2.
5. the method according to any one of claim 1-4, is characterized in that: in step c, the molecular weight of this spherical chitosan is 10000-520000.
6. the method according to any one of claim 1-5, is characterized in that: in step c, this spherical chitosan accounts for the content of cellulose fibre is 0.1-7.0wt%.
7. the method for making according to any one of claim 1-6, is characterized in that: in step e, the coiling speed of this continuous long fiber wire type state native cellulose Nonwovens is 2-200 meter per minute.
8. method according to claim 2, is characterized in that: this acid, alkali treatment acid used is hydrochloric acid or sulfuric acid.
9. method for making according to claim 2, is characterized in that: this acid, alkali treatment alkali used is NaOH or potassium hydroxide.
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| CN201510727531.5A CN105420925A (en) | 2015-10-30 | 2015-10-30 | Method for preparing cellulose non-woven fabric with mildew-proof, anti-bacterial and deodorant functions through electrostatic size spraying |
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| CN111282345A (en) * | 2020-02-24 | 2020-06-16 | 深圳维度新材料有限公司 | Preparation method of composite material layer, composite material layer and air purification filter material |
| CN113322601A (en) * | 2021-08-03 | 2021-08-31 | 南通好心情家用纺织品有限公司 | Brushing device for home textile printed fabric production |
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| CN113322601A (en) * | 2021-08-03 | 2021-08-31 | 南通好心情家用纺织品有限公司 | Brushing device for home textile printed fabric production |
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Application publication date: 20160323 |