CN102199803B - High elastic non-ironing cellulose fiber and preparation method thereof - Google Patents
High elastic non-ironing cellulose fiber and preparation method thereof Download PDFInfo
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- 229920003043 Cellulose fiber Polymers 0.000 title claims abstract description 39
- 238000010409 ironing Methods 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 64
- 229920002678 cellulose Polymers 0.000 claims abstract description 48
- 239000001913 cellulose Substances 0.000 claims abstract description 48
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- 239000003054 catalyst Substances 0.000 claims abstract description 24
- 238000005406 washing Methods 0.000 claims abstract description 14
- 238000005516 engineering process Methods 0.000 claims abstract description 8
- 238000009987 spinning Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 23
- 238000001035 drying Methods 0.000 claims description 22
- 238000005303 weighing Methods 0.000 claims description 20
- 239000002608 ionic liquid Substances 0.000 claims description 18
- 238000012986 modification Methods 0.000 claims description 17
- 230000004048 modification Effects 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 229920000742 Cotton Polymers 0.000 claims description 14
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- PBIDWHVVZCGMAR-UHFFFAOYSA-N 1-methyl-3-prop-2-enyl-2h-imidazole Chemical compound CN1CN(CC=C)C=C1 PBIDWHVVZCGMAR-UHFFFAOYSA-N 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 229920001131 Pulp (paper) Polymers 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- 238000001291 vacuum drying Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 239000004317 sodium nitrate Substances 0.000 claims description 7
- 235000010344 sodium nitrate Nutrition 0.000 claims description 7
- 239000012153 distilled water Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 150000007522 mineralic acids Chemical class 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- KAIPKTYOBMEXRR-UHFFFAOYSA-N 1-butyl-3-methyl-2h-imidazole Chemical compound CCCCN1CN(C)C=C1 KAIPKTYOBMEXRR-UHFFFAOYSA-N 0.000 claims description 5
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 claims description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 5
- 229910001379 sodium hypophosphite Inorganic materials 0.000 claims description 5
- VACCAVUAMIDAGB-UHFFFAOYSA-N sulfamethizole Chemical compound S1C(C)=NN=C1NS(=O)(=O)C1=CC=C(N)C=C1 VACCAVUAMIDAGB-UHFFFAOYSA-N 0.000 claims description 5
- NCPXQVVMIXIKTN-UHFFFAOYSA-N trisodium;phosphite Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])[O-] NCPXQVVMIXIKTN-UHFFFAOYSA-N 0.000 claims description 5
- 230000001112 coagulating effect Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 abstract description 21
- 239000004753 textile Substances 0.000 abstract description 11
- 230000037303 wrinkles Effects 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 6
- 238000004132 cross linking Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000009941 weaving Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229920000297 Rayon Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 1
- 206010016590 Fibrin deposition on lens postoperative Diseases 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
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Abstract
The invention relates to a high elastic non-ironing cellulose fiber and a preparation method thereof, and belongs to the technical field of weaving. The high elastic non-ironing cellulose fiber is prepared from cellulose, a finishing agent and a catalyst through a cross linking reaction, and comprises, by mass, 85%-91% of the cellulose, 6%-10% of the finishing agent and 3%-5% of the catalyst. The high elastic non-ironing cellulose fiber provided by the present invention has advantages of excellent mechanical property, natural tactility, comfortable elasticity and good wrinkle resistance, can suffer a plurality of slashing washing technologies and finishing technologies, and can be widely applicable for products such as non-ironing shirts, trousers and suits so as to satisfy consumer demands of easy-care clothing and easy-care fabric. Due to the fiber with high elasticity, textile produced from the fiber provided by the present invention has excellent wrinkle resistance without ironing and finishing. With the present invention, processing enterprises of fabric and clothing can save cost and energy.
Description
Technical field
The present invention relates to a kind of cellulose fibre with high elasticity and ironing-free performance and preparation method thereof, belong to textile technology production and processing field.
Background technology
Progress along with society, development and the growth in the living standard of science and technology, people wear consumption idea and significant variation has occured in the market demand, requirement to Textile material has been not only stand wear and tear and beautiful good-looking, also pursues snugness of fit, health, safety and the feature of environmental protection etc. of textiles.Cellulose fibre has drawn from natural, have good hygroscopicity, gas permeability strong, comfortable and easy to wear, than premium properties such as easy dyeing, natural environmental protection, meet people to the requirement of comfortableness and environment protection health, deeply be subjected to consumer's favor.But the wrinkle resistance of cellulose fibre is relatively poor, and there is mutability in its fabric and the defective such as crease easily in wearing use procedure, causes cellulose base fiber fabric after washing and take keeping smooth and well-pressed outward appearance in the process, affects its wearability.
The main method of post processing that adopts is carried out anti-crease finishing to cellulose base fiber fabric at present, to improve wearability, makes it keep the stable of form in wearing use procedure, and research mainly concentrates on the exploitation of various finishing agents.China Patent Publication No. is CN101235595A, open day is on August 6th, 2008, denomination of invention is anti-crease finishing liquid of a kind of cellulose base fiber fabric and its production and use, the disclosed dressing liquid of this application case is a kind of nano-resin dressing liquid, be in traditional modification 2D or derivatives thereof RESIN FINISH liquid, to add nano-oxide and make, and adopt two to soak two and roll cellulose base fiber fabric is carried out anti-crease finishing.China Patent Publication No. is CN 1888298A, open day is on January 3rd, 2007, the method of denomination of invention for COTTON FABRIC being carried out wrinkle resistant processing with poly-(carboxylic acid) nano particle, this application case discloses the design of several poly-(carboxylic acids) with different molecular structures and synthetic, and the method for COTTON FABRIC being carried out anti-crease finishing.China Patent Publication No. is CN 86107140A, open day is on April 29th, 1987, denomination of invention is the resin treatment method of the textiles of containing cellulose fiber, this application case discloses the method for the resin bath arrangement containing cellulose fiber textiles that the water-soluble carbamate prepolymer of a kind of usefulness forms, and the dried wrinkle resistance of containing cellulose fiber textiles and wet wrinkle resistance and wash and wear performance are improved.
Said method all is that the method for arrangement after adopting is carried out the ironing and anti-crease arrangement to cellulose base fiber fabric, exists fabric feeling to harden, powerful decline, and the easy yellowing of cloth cover, complex process and control require the problems such as high.If in the production process of cellulose fibre, give its good elasticity, from improving in essence the wearability of cellulose fibre, then can avoid the problems referred to above.At present, the research of this respect there is not yet report.
Summary of the invention
Problem for above-mentioned existence, the object of the present invention is to provide and a kind ofly solve the mutability that cellulose fibre exists from the source and the defective such as crease easily, its fabric is had again excellent wearability the time comfortable and easy to wear, satisfy consumer's commute and arrange the cellulose fibre with high elasticity and ironing-free performance and preparation method thereof of the demand of clothes, to achieve these goals, its technical solution is:
A kind of high elastic non-ironing cellulose fiber, high elastic non-ironing cellulose fiber are to be formed through chemical reaction is crosslinked by cellulose, finishing agent, catalyst, and wherein the quality percentage composition of each component is respectively in the high elastic non-ironing cellulose fiber:
Cellulose 85%～91%,
Finishing agent 6%～10%,
Catalyst 3%～5%.
A kind of preparation method of high elastic non-ironing cellulose fiber, the preparation method comprises the steps:
A is for subsequent use at 60～100 ℃ of vacuum drying 2～5h with selected cellulose;
B takes by weighing finishing agent according to 6.6%～11.6% of selected cellulose quality, take by weighing catalyst according to 3.3%～5.8% of selected cellulose quality, 10～50 times according to selected cellulose quality take by weighing ionic liquid, then finishing agent, catalyst and the ionic liquid that takes by weighing mixed, be heated to 30 ℃～40 ℃, stir again and make its dissolving, obtain modified solution;
C joins the cellulose after a processes in the modified solution that b obtains, and solution is warming up to 80 ℃, stirs and makes its dissolving, and then vacuum deaerator 20h obtains the modification spinning solution;
D will join in the distilled water according to the inorganic acid that 1%～3% of distilled water quality takes by weighing, and obtain acid solution, then be heated to 30～50 ℃ for subsequent use;
E adopts the production technology of ionic liquid method cellulose fibre take the acid solution that obtains through d modulation as coagulating bath, and the modification spinning solution that obtains through c is carried out spinning, obtains shaped fibers;
The shaped fibers that f obtains e is inserted baking oven and is carried out preliminary drying, and the preliminary drying temperature is 80～110 ℃, and the preliminary drying time is 3～5min;
G will insert baking oven through the preliminary drying fiber that f obtains and bake, and baking temperature is 160～190 ℃, and the time of baking is 1～2min;
H will wash through the fiber that bakes that g obtains, washing temperature is 70～80 ℃, washing time is 1～2min, then obtaining cellulosic content after oiling, drying is 85%～91%, the content of finishing agent is 6%～10%, and the content of catalyst is a kind of high elastic non-ironing cellulose fiber of 3%～5%.
Described cellulose can be wherein a kind of of cotton pulp cellulose or wood pulp cellulose or bamboo pulp fiber element.
Described finishing agent can be that 1,2,3,4-encircles wherein a kind of of penta tetracid or citric acid or 1,2,3,4-BTCA.
Described catalyst can be wherein a kind of of sodium hypophosphite or sodium phosphite or sodium nitrate.
Described ionic liquid can be wherein a kind of of 1-allyl-3-methylimidazole acetate or 1-butyl-3-methylimidazole villaumite or 1-allyl-3-methylimidazole villaumite.
Described inorganic acid can be wherein a kind of of sulfuric acid or phosphoric acid or hydrochloric acid.
Adopt above technical scheme, its useful technique effect is:
1 adopts ionic liquid as cellulosic solvent, has both guaranteed that finishing agent and catalyst were uniformly dispersed at fibrous inside, has avoided again finishing agent and catalyst and dicyandiamide solution to react and loses efficacy.
Carrying out first low temperature prebake behind 2 fibre formings processes, can prevent finishing agent and catalyst generation migration, carry out high temperature again and bake after finishing agent and catalyst are uniformly dispersed and anchor at fibrous inside, this moment, finishing agent and cellulose reacted, and were conducive to form uniform cross-linking system.
The cross-linking system that 3 finishing agents and fibrin reaction form has strengthened the active force between fiber molecule, so that fiber has preferably elasticity.After the external force that fiber is subject to was eliminated, fiber can return to original state under the effect of cross-linking system, thereby reaches the effect of wash and wear.
4 fibers are washed processing again through after baking processing, can remove finishing agent and catalyst that fiber surface does not react, improve the feel of fiber.
5 adopt the cellulose fibre of method preparation of the present invention, has excellent mechanical property, natural sense of touch, comfortable elasticity and good wrinkle resistance, and can tolerate washing and the postfinishing process of multiple harshness, can be widely used in satisfying the demand that consumer's commute is arranged clothes and fabric in the products such as wash-and-wear of shirt, trousers, Western-style clothes.
6 adopt the textiles of procedure of fibre production of the present invention, because fiber self has high elasticity, when external force is eliminated, can reply deformation, just not have outstanding wrinkle resistance so textiles does not need to carry out noniron finish again, can help fabric and clothes processing enterprise to save cost and the energy.
The specific embodiment
A kind of high elastic non-ironing cellulose fiber, high elastic non-ironing cellulose fiber are to be formed through chemical reaction is crosslinked by cellulose, finishing agent, catalyst, and wherein the quality percentage composition of each component is respectively in the high elastic non-ironing cellulose fiber:
Cellulose 85%～91%,
Finishing agent 6%～10%,
Catalyst 3%～5%.
Described cellulose can be wherein a kind of of cotton pulp cellulose or wood pulp cellulose or bamboo pulp fiber element, described finishing agent can be 1,2,3,4-encircles penta tetracid or citric acid or 1,2,3, wherein a kind of of 4-BTCA, described catalyst can be wherein a kind of of sodium hypophosphite or sodium phosphite or sodium nitrate.
A kind of preparation method of high elastic non-ironing cellulose fiber, the preparation method comprises the steps:
A is for subsequent use at 60～100 ℃ of vacuum drying 2～5h with selected cellulose, and described cellulose can be wherein a kind of of cotton pulp cellulose or wood pulp cellulose or bamboo pulp fiber element;
B takes by weighing finishing agent according to 6.6%～11.6% of selected cellulose quality, take by weighing catalyst according to 3.3%～5.8% of selected cellulose quality, 10～50 times according to selected cellulose quality take by weighing ionic liquid, then finishing agent, catalyst and the ionic liquid that takes by weighing mixed, be heated to 30 ℃～40 ℃, stir again and make its dissolving, obtain modified solution.Described finishing agent can be 1,2,3,4-encircles penta tetracid or citric acid or 1, wherein a kind of of 2,3,4-BTCA, described catalyst can be wherein a kind of of sodium hypophosphite or sodium phosphite or sodium nitrate, and described ionic liquid can be wherein a kind of of 1-allyl-3-methylimidazole acetate or 1-butyl-3-methylimidazole villaumite or 1-allyl-3-methylimidazole villaumite;
C will join through the cellulose that a processes in the modified solution that b obtains, and solution is warming up to 80 ℃, stir and make its dissolving, and then vacuum deaerator 20h obtains the modification spinning solution;
D will join in the distilled water according to the inorganic acid that 1%～3% of distilled water quality takes by weighing, and obtain acid solution, then be heated to 30～50 ℃ for subsequent use, described inorganic acid can be wherein a kind of of sulfuric acid or phosphoric acid or hydrochloric acid;
The modification spinning solution that e will obtain through c under pressure enters into the acid solution that obtains through the d modulation through spinning head, solidifies 30s, then carries out three sections drawing-offs, and every section drafting multiple is 1.5～2.0 times, obtains shaped fibers;
The shaped fibers that f obtains e is inserted baking oven and is carried out preliminary drying, and the preliminary drying temperature is 80～110 ℃, and the preliminary drying time is 3～5min;
G will insert baking oven through the preliminary drying fiber that f obtains and bake, and baking temperature is 160～190 ℃, and the time of baking is 1～2min;
H will wash through the fiber that bakes that g obtains, washing temperature is 70～80 ℃, washing time is 1～2min, then obtaining cellulosic content after oiling, drying is 85%～91%, the content of finishing agent is 6%～10%, and the content of catalyst is a kind of high elastic non-ironing cellulose fiber of 3%～5%.
Below in conjunction with specific embodiment the preparation method of high elastic non-ironing cellulose fiber of the present invention is done and to describe in further detail:
Embodiment 1
The cotton pulp cellulose at 100 ℃ of vacuum drying 2h, is taken by weighing 20g for subsequent use; With 2.32g 1,2,3,4-encircles penta tetracid and the 1.16g sodium hypophosphite joins in 1000g 1-allyl-3-methylimidazole acetate ionic liquid successively, and solution is heated to 30 ℃, then stirs and makes its dissolving, obtains modified solution; The dry cotton pulp cellulose that 20g is for subsequent use joins in the above-mentioned modified solution, and solution is heated to 80 ℃, stirs and makes its dissolving, and then vacuum deaerator 20h obtains the modification spinning solution; The preparation mass percent concentration is 1% sulfuric acid solution, be heated to 50 ℃ for subsequent use; The modification spinning solution enters into the above-mentioned acid solution that configures through spinning head under pressure, solidifies 30s, then carries out three sections drawing-offs, and every section drafting multiple is 1.5 times, obtains shaped fibers; Shaped fibers is inserted baking oven, 80 ℃ of preliminary drying 5min, then 160 ℃ bake 2min; With 70 ℃ of washings of the fiber after baking 2min, obtain a kind of high elastic non-ironing cellulose fiber after then oiling, drying.
Embodiment 2
Wood pulp cellulose at 60 ℃ of vacuum drying 5h, is taken by weighing 100g for subsequent use; 6.6g citric acid and 3.3g sodium phosphite are joined in 1000g 1-allyl-3-methylimidazole villaumite ionic liquid successively, and solution is heated to 40 ℃, then stirs and makes its dissolving, obtains modified solution; The dry wood pulp cellulose that 100g is for subsequent use joins in the above-mentioned modified solution, and solution is heated to 80 ℃, stirs and makes its dissolving, and then vacuum deaerator 20h obtains the modification spinning solution; The preparation mass percent concentration is 3% phosphoric acid solution, be heated to 30 ℃ for subsequent use; The modification spinning solution enters into the above-mentioned acid solution that configures through spinning head under pressure, solidifies 30s, then carries out three sections drawing-offs, and every section drafting multiple is 2.0 times, obtains shaped fibers; Shaped fibers is inserted 110 ℃ of preliminary drying 3min of baking oven, and then 190 ℃ bake 1min; With 80 ℃ of washings of the fiber after baking 1min, obtain a kind of high elastic non-ironing cellulose fiber after then oiling, drying.
Embodiment 3
The bamboo pulp fiber element at 70 ℃ of vacuum drying 4.5h, is taken by weighing 25g for subsequent use; With 2.0g 1,2,3,4-BTCA and 1.0g sodium nitrate join in 1000g 1-butyl-3-methylimidazole villaumite ionic liquid successively, and solution is heated to 35 ℃, then stir and make its dissolving, obtain modified solution; The dry bamboo pulp fiber element that 25g is for subsequent use joins in the above-mentioned modified solution, and solution is heated to 80 ℃, stirs and makes its dissolving, and then vacuum deaerator 20h obtains the modification spinning solution; The preparation mass percent concentration is 2% hydrochloric acid solution, be heated to 40 ℃ for subsequent use; The modification spinning solution enters into the above-mentioned acid solution that configures through spinning head under pressure, solidifies 30s, then carries out three sections drawing-offs, and every section drafting multiple is 1.8 times, obtains shaped fibers; Shaped fibers is inserted 100 ℃ of preliminary drying 4min of baking oven, and then 180 ℃ bake 1.5min; With 75 ℃ of washings of the fiber after baking 1.5min, obtain a kind of high elastic non-ironing cellulose fiber after then oiling, drying.
Embodiment 4
Cotton pulp cellulose and bamboo pulp fiber element respectively at 80 ℃ of vacuum drying 4h, are taken by weighing 20g cotton pulp fiber and 15g bamboo pulp fiber element is for subsequent use; With 3.5g 1,2,3,4-BTCA and 1.75g sodium nitrate join in 1000g 1-butyl-3-methylimidazole villaumite ionic liquid successively, and solution is heated to 40 ℃, then stir and make its dissolving, obtain modified solution; 20g cotton pulp fiber for subsequent use and 15g bamboo pulp fiber element are joined in the above-mentioned modified solution, and solution is heated to 80 ℃, stirs and makes its dissolving, and then vacuum deaerator 20h obtains the modification spinning solution; The preparation mass percent concentration is 2% phosphoric acid solution, be heated to 40 ℃ for subsequent use; The modification spinning solution enters into the above-mentioned acid solution that configures through spinning head under pressure, solidifies 30s, then carries out three sections drawing-offs, and every section drafting multiple is 1.5 times, obtains shaped fibers; Shaped fibers is inserted 90 ℃ of preliminary drying 4.5min of baking oven, and then 170 ℃ bake 1.5min; With 70 ℃ of fibers after baking washing 2min, then oil, dry and obtain a kind of high elastic non-ironing cellulose fiber.
Embodiment 5
Cotton pulp cellulose and wood pulp cellulose respectively at 90 ℃ of vacuum drying 3h, are taken by weighing 20g cotton pulp fiber and the 20g wood pulp cellulose is for subsequent use; With 3.2g 1,2,3,4-BTCA and 1.6g sodium nitrate join in 1000g 1-allyl-3-methylimidazole villaumite ionic liquid successively, and solution is heated to 30 ℃, then stir and make its dissolving, obtain modified solution; 20g cotton pulp fiber for subsequent use and 20g wood pulp cellulose are joined in the above-mentioned modified solution, and solution is heated to 80 ℃, stirs and makes its dissolving, and then vacuum deaerator 20h obtains the modification spinning solution; The preparation mass percent concentration is 3% sulfuric acid solution, be heated to 50 ℃ for subsequent use; The modification spinning solution enters into the above-mentioned acid solution that configures through spinning head under pressure, solidifies 30s, then carries out three sections drawing-offs, and every section drafting multiple is 2.0 times, obtains shaped fibers; Shaped fibers is inserted 80 ℃ of preliminary drying 5min of baking oven, and then 180 ℃ bake 1.5min; With 80 ℃ of fibers after baking washing 1min, then oil, dry and obtain a kind of high elastic non-ironing cellulose fiber.
The line density of embodiment 1,2,3,4,5 gained fibers and fracture strength, and thus the destarch plain fabric that is made into of fiber and common viscose fiber (14.6tex * 14.6tex, 523/10cm * 72/10cm) creasy recovery angle sees Table 1.Line density with reference to " GB/T 14335-2008 man-made staple fibres dimension line density test method " test fiber, fracture strength and fracture elongation with reference to " GB/T 14337-2008 man-made staple fibres Wella is stretched method for testing performance " test fiber, with reference to the creasy recovery angle of " mensuration of GB/T 3819-1997 textile fabric folding line recovery is replied horn cupping " test fabric, acquired results sees Table 1.
The performance of table 1 fiber and textile
As can be seen from Table 1, the fracture strength of high elastic non-ironing cellulose fiber of the present invention is higher than common viscose fiber, and the creasy recovery angle of its fabric is much larger than the common viscose fiber fabric.This illustrates that high elastic non-ironing cellulose fiber of the present invention has higher elasticity, can be used for producing in the products such as wash-and-wear of shirt, trousers, Western-style clothes, satisfies the demand that consumer's commute is arranged clothes and fabric.
Claims (1)
1. the preparation method of a high elastic non-ironing cellulose fiber comprises it is characterized in that the production technology of ionic liquid method cellulose fibre: the preparation method comprises the steps,
A is for subsequent use at 60～100 ℃ of vacuum drying 2～5h with selected cellulose;
B takes by weighing finishing agent according to 6.6%～11.6% of selected cellulose quality, take by weighing catalyst according to 3.3%～5.8% of selected cellulose quality, 10～50 times according to selected cellulose quality take by weighing ionic liquid, then finishing agent, catalyst and the ionic liquid that takes by weighing mixed, be heated to 30 ℃～40 ℃, stir again and make its dissolving, obtain modified solution;
C joins the cellulose after a processes in the modified solution that b obtains, and modified solution is heated to 80 ℃, stirs and makes its dissolving, and then vacuum deaerator 20h obtains the modification spinning solution;
D will join in the distilled water according to the inorganic acid that 1%～3% of distilled water quality takes by weighing, and obtain acid solution, then be heated to 30～50 ℃ for subsequent use;
E adopts the production technology of ionic liquid method cellulose fibre take the acid solution that obtains through d modulation as coagulating bath, and the modification spinning solution that obtains through c is carried out spinning, obtains shaped fibers;
The shaped fibers that f obtains e is inserted baking oven and is carried out preliminary drying, and the preliminary drying temperature is 80～110 ℃, and the preliminary drying time is 3～5min;
G will insert baking oven through the preliminary drying fiber that f obtains and bake, and baking temperature is 160～190 ℃, and the time of baking is 1～2min;
H will wash through the fiber that bakes that g obtains, washing temperature is 70～80 ℃, and washing time is 1～2min, and obtaining cellulosic content after the oven dry is 85%～91%, the content of finishing agent is 6%～10%, and the content of catalyst is a kind of high elastic non-ironing cellulose fiber of 3%～5%;
Described cellulose is wherein a kind of of cotton pulp cellulose or wood pulp cellulose or bamboo pulp fiber element;
Described finishing agent is that 1,2,3,4-encircles wherein a kind of of penta tetracid or citric acid or 1,2,3,4-BTCA;
Described catalyst is wherein a kind of of sodium hypophosphite or sodium phosphite or sodium nitrate;
Described ionic liquid is wherein a kind of of 1-allyl-3-methylimidazole acetate or 1-butyl-3-methylimidazole villaumite or 1-allyl-3-methylimidazole villaumite;
Described inorganic acid is wherein a kind of of sulfuric acid or phosphoric acid or hydrochloric acid.
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|---|---|---|---|---|
| CN102828399A (en) * | 2012-09-19 | 2012-12-19 | 昆山市周市惠宏服装厂 | Manufacturing method of non-ironing-shaped suit pants |
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