CN101008110A - Method for preparing collagen/ polyvinyl alcohol composite fiber using dialdehyde as cross-linking agent - Google Patents
Method for preparing collagen/ polyvinyl alcohol composite fiber using dialdehyde as cross-linking agent Download PDFInfo
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- 239000000835 fiber Substances 0.000 title claims abstract description 74
- 102000008186 Collagen Human genes 0.000 title claims abstract description 45
- 108010035532 Collagen Proteins 0.000 title claims abstract description 45
- 229920001436 collagen Polymers 0.000 title claims abstract description 45
- 239000004372 Polyvinyl alcohol Substances 0.000 title claims abstract description 38
- 229920002451 polyvinyl alcohol Polymers 0.000 title claims abstract description 38
- 239000002131 composite material Substances 0.000 title claims abstract description 30
- ZNZYKNKBJPZETN-WELNAUFTSA-N Dialdehyde 11678 Chemical compound N1C2=CC=CC=C2C2=C1[C@H](C[C@H](/C(=C/O)C(=O)OC)[C@@H](C=C)C=O)NCC2 ZNZYKNKBJPZETN-WELNAUFTSA-N 0.000 title claims abstract description 23
- 239000003431 cross linking reagent Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000243 solution Substances 0.000 claims abstract description 74
- 238000009987 spinning Methods 0.000 claims abstract description 43
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 15
- 238000002166 wet spinning Methods 0.000 claims abstract description 12
- 239000003513 alkali Substances 0.000 claims abstract description 7
- 238000005345 coagulation Methods 0.000 claims abstract description 7
- 230000015271 coagulation Effects 0.000 claims abstract description 7
- 239000002253 acid Substances 0.000 claims abstract description 5
- 239000008367 deionised water Substances 0.000 claims abstract 3
- 229910021641 deionized water Inorganic materials 0.000 claims abstract 3
- 239000011550 stock solution Substances 0.000 claims abstract 3
- 238000002360 preparation method Methods 0.000 claims description 15
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical group O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical class [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 8
- 238000009998 heat setting Methods 0.000 claims description 8
- 150000001299 aldehydes Chemical class 0.000 claims description 7
- 238000012805 post-processing Methods 0.000 claims description 7
- 238000006136 alcoholysis reaction Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 229940015043 glyoxal Drugs 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 claims description 4
- PCSMJKASWLYICJ-UHFFFAOYSA-N Succinic aldehyde Chemical compound O=CCCC=O PCSMJKASWLYICJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000007796 conventional method Methods 0.000 claims description 4
- 239000004753 textile Substances 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 3
- WSMYVTOQOOLQHP-UHFFFAOYSA-N Malondialdehyde Chemical compound O=CCC=O WSMYVTOQOOLQHP-UHFFFAOYSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 claims description 2
- HFCSXCKLARAMIQ-UHFFFAOYSA-L disodium;sulfate;hydrate Chemical class O.[Na+].[Na+].[O-]S([O-])(=O)=O HFCSXCKLARAMIQ-UHFFFAOYSA-L 0.000 claims description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical group O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000006386 neutralization reaction Methods 0.000 claims description 2
- 238000006359 acetalization reaction Methods 0.000 claims 3
- 229960000587 glutaral Drugs 0.000 claims 2
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- 239000011148 porous material Substances 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 208000012886 Vertigo Diseases 0.000 description 35
- 239000000203 mixture Substances 0.000 description 17
- 239000003643 water by type Substances 0.000 description 13
- 230000001112 coagulating effect Effects 0.000 description 6
- 239000010985 leather Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 150000003385 sodium Chemical class 0.000 description 4
- ZQOMKIOQTCAGCM-UHFFFAOYSA-L [Na+].[Na+].OS(O)(=O)=O.[O-]S([O-])(=O)=O Chemical class [Na+].[Na+].OS(O)(=O)=O.[O-]S([O-])(=O)=O ZQOMKIOQTCAGCM-UHFFFAOYSA-L 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
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- 239000008273 gelatin Substances 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000011852 gelatine desserts Nutrition 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000007037 hydroformylation reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
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- 239000003356 suture material Substances 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000001891 gel spinning Methods 0.000 description 1
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- 231100000241 scar Toxicity 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
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- Artificial Filaments (AREA)
Abstract
用二醛作为交联剂制备胶原蛋白/聚乙烯醇复合纤维的方法。其特点是将胶原蛋白100重量份溶解在300～900重量份的去离子水中，聚乙烯醇100重量份溶解在300～900重量份的去离子水中，0.5重量份的二醛溶解在99.5重量份的水中，再将上述胶原蛋白溶液5～40重量份分散在聚乙烯醇溶液40～75重量份中，用酸或碱调节pH＝5～11，最后加入二醛溶液5～15重量份，形成纺丝原液。原液经湿法纺丝、凝固得到的初生纤维，经过后处理得到胶原蛋白/聚乙烯醇复合纤维。复合纤维的含氮量为纺丝原液含氮量的85～95％，水中软化点为99～105℃，上染率为95～97％，回潮率为7.8～9.1％。A method for preparing collagen/polyvinyl alcohol composite fibers using dialdehyde as a crosslinking agent. It is characterized in that 100 parts by weight of collagen is dissolved in 300-900 parts by weight of deionized water, 100 parts by weight of polyvinyl alcohol is dissolved in 300-900 parts by weight of deionized water, and 0.5 parts by weight of dialdehyde is dissolved in 99.5 parts by weight disperse 5-40 parts by weight of the above-mentioned collagen solution in 40-75 parts by weight of polyvinyl alcohol solution, adjust the pH=5-11 with acid or alkali, and finally add 5-15 parts by weight of dialdehyde solution to form spinning dope. The primary fiber obtained by wet spinning and coagulation of the stock solution is post-processed to obtain the collagen/polyvinyl alcohol composite fiber. The nitrogen content of the composite fiber is 85-95% of the nitrogen content of the spinning dope, the softening point in water is 99-105°C, the dye uptake rate is 95-97%, and the moisture regain is 7.8-9.1%.
Description
Technical field
The present invention relates to a kind of method for preparing collagen/polyvinyl alcohol composite fiber with dialdehyde as crosslinking agent.Belong to the preparation field of taking fiber.
Background context
Leather industry is an ancient industry, and it is that low output with the high investment of raw material and product is a feature, and big especially to the pollution of environment.According to statistics, have only the raw material skin of 20%-40% to change leather in the process hides, remaining forms refuse and byproduct, more than 100 ten thousand tons of leather solid waste of the annual generation of China at present.In addition, leather and fur products also has only certain service life with other consumer goods are the same, will be abandoned after shabby and becomes rubbish when it becomes, and can rot after banking up for a long time, and ecological environment has been caused severe contamination, also is the significant wastage of resource simultaneously.The development and use tanning waste is converted into useful resources with pollutant, avoids environment is polluted and endangers, and be the important topic that pendulum needs to be resolved hurrily in face of us.
The main component of tanning waste is a collagen, is a kind of protein that extensively is present in the animal body.Extract the collagen in the leather castoff, preparation has the spinning solution of finite concentration and viscosity after the purifying modification, by extruding it is extruded from spinneret orifice and enters into solidification liquid, forms filament, after processing such as follow-up drying, stretching, just can obtain the fiber that can be used to weave.
But pure collagen fibre forming property is poor, and intensity is low, difficulty in spinning.Yet, the polyvinyl alcohol good spinnability, through the available fiber hygroscopicity of spinning, heat treatment and formalizing near cotton, and advantage such as intensity height, ABRASION RESISTANCE.But vinylon exists dyeability poor simultaneously, and elastic recovery rate is low, and dress ornament is washed the big deficiency that waits of after-contraction, does not have clear superiority in competing with multiple synthetic fiber.Therefore China once to take polyvinyl as one of fiber of important textile material few.Yet polyvinyl alcohol does not withdraw from the fibrous raw material industry fully as a kind of fibre-forming polymer, in recent years, utilize good fibre forming property of polyvinyl alcohol and mechanical property, by wet spinning or gel spinning, obtain from the water soluble fiber of normal temperature to 90 ℃ different solution temperatures, be used for obtaining high grade yarn, its fabric sofetening good heat preservation performance with cotton, wool blend.
Chinese patent 200510020902.2 is entitled as " metal ion-modified collagen-polyvinyl alcohol composite fiber and preparation method thereof ", be on the basis of containing collagen and polyvinyl alcohol, the metal ion that has added the chelating crosslinked action, the composite fibre of preparation is the intensity height not only, and the protein content height, and be evenly distributed, dyeability is good, production cost is low, and has certain antimildew and antibacterial effect.But stinging of metal ion closed a little less than the crosslinked action, and collagen runs off easily.
Chinese patent 02145941.X is entitled as " collagen composite fibre and preparation method thereof ", employed collagen is the protein that obtains from the rawhide of animal or leather industry discarded object separation and Extraction, mixes stirring after adding monomer modified dose of graft modification of rare class with polyvinyl alcohol.The collagen composite fibre, wherein the raw material of each composition is counted with the percetage by weight composition: collagen content 10-45%, the monomer modified agent content 5-20% of rare class, polyvinyl alcohol content 50-85%, it is 100% that above-mentioned percentage is formed the weight sum.This fiber and human body skin have good affine performance, and good hygroscopicity, comfortable and easy to wear and painted easily.But rare class monomer can not with collagen generation crosslinked action, collagen runs off easily.
Chinese patent 89108465.7 is entitled as " collagen-polyvinyl alcoholic operation sutures and preparation method thereof ", be to be base stock with the collagen that from mammal knot hoof tissue, extracts with enzyme digestion and the composite solution of polyvinyl alcohol composition, clamp-on cross moulding in the coagulating bath with macromolecule swelling deduction line apparatus, again through chrome tanning agent and monofilament or the suture material of other shape.It is big that this suture material has overcome operation back tissue reaction, can not absorb or come off, and toxic side effect, many shortcomings such as scar is obvious after the wound healing, and the raw material of making this material is easy to get, and easy to process.But chrome tanning agent has certain toxicity, is unfavorable for health.
Summary of the invention
The objective of the invention is provides a kind of preparation method who prepares collagen/polyvinyl alcohol composite fiber with dialdehyde as crosslinking agent at existing technical deficiency, be characterized in: spinning solution comprises that water, collagen, fibre-forming polymer, crosslinking agent and pH regulator agent mix the spinning solution that forms homogeneous phase, and this spinning solution is spun into fiber through wet spinning.As-spun fibre obtains preparing collagen/polyvinyl alcohol composite fiber with dialdehyde as crosslinking agent through post processing.
Purpose of the present invention is realized that by following technical measures wherein said raw material umber is parts by weight except that specified otherwise.
1. the spinning solution for preparing collagen/polyvinyl alcohol composite fiber with dialdehyde as crosslinking agent
A. the preparation of solution A
With the degree of polymerization be 1000～2500, alcoholysis degree is that 90～99% polyvinyl alcohol 100 weight portions are dissolved in 300～900 weight parts waters, be heated to 95 ℃ of stirring and dissolving and form solution B,
C. the preparation of solution C
The dialdehyde of 0.5 weight portion is dissolved under room temperature in the water of 99.5 weight portions, and formation concentration is 0.5% solution C,
D. the mixing of solution A and solution B
The solution A of 5～40 weight portions is dispersed among 40～75 parts by weight solution B, regulates pH=5～11, add 5～15 parts by weight solution C again, stir and be made into into spinning solution with acid or alkali;
2. the wet spinning of spinning solution
With the wet spinning spinning head of aperture 0.07～0.20mm, with after spinning solution pressure filtration, the deaeration in 30～100 ℃ of temperature through measuring pump, filter, from the spinning head ejection, dynamic analysis of spinning is coagulation forming in the coagulating bath of strong coagulation ability;
3. the post processing of as-spun fibre
Hot-stretch typing: 150～230 ℃ of heat setting temperatures, 2～10 times of hot-stretchs, heat-setting time 2～10 minutes;
Acetalation is handled: with 50～90 ℃ of hydroformylation temperature, and the concentration 20～80g/L of aldehyde, 0.1～2 hour time carried out acetalation and handles;
Washing: according to a conventional method, water is clean with sulfate, aldehyde, the pickling of fiber surface, 0.5 hour time;
Oil: according to a conventional method, fiber is immersed in containing in the solution of finish 0.5 hour time.
The crosslinking agent dialdehyde is, glyoxal, at least a in the malonaldehyde, butanedial, glutaraldehyde.
The aldehyde that acetalation is handled be in formaldehyde, acetaldehyde, butanedial or the glutaraldehyde any.
Spinning coagulation bath is selected the saturated sodium sulphate-aqueous sulfuric acid of 30～60 ℃ of temperature, pH=1～7 for use, saturated sodium sulphate-sodium hydrate aqueous solution of selecting 30～60 ℃ of temperature, pH=7～10 for use is bathed in neutralization, and the saturated aqueous sodium sulfate of selecting 30～60 ℃ of temperature, pH=7 for use is bathed in washing.
The collagen/polyvinyl alcohol composite fiber that method for preparing obtains, the fiber number of composite fibre are 1～15dtex, and fracture strength is 1～10cN/dtex, and elongation at break is 10～40%, and initial modulus is 30～100cN/dtex.Nitrogen content is 85～95% of a spinning solution nitrogen content, and softening point in water is 99～105 ℃, and dye-uptake is 95～97%, and regain is 7.8～9.1%.Collagen/polyvinyl alcohol composite fiber is used for dress ornament textiles and wig.
The present invention has following advantage:
1. be used for wet spinning with dialdehyde as the collagen of crosslinking agent preparation and polyvinyl alcohol composite spinning stoste and have better spinnability.Though dialdehyde is when becoming fine and collagen, polyvinyl alcohol generation crosslinked action, spinning is comparatively smooth.
2. spinning solution is to add dialdehyde under acidity or alkali condition, and the viscosity of spinning solution is less with the adding variation of dialdehyde, and the collagen addition is bigger, and collagen and polyvinyl alcohol composite fiber have higher nitrogen content.
3. make crosslinking agent with dialdehyde, collagen or gelatin and polyvinyl alcohol have new covalent bond to generate, in conjunction with bond energy bigger, collagen or gelatin are difficult for running off, collagen and polyvinyl alcohol composite fiber have higher intensity.
4. the collagen molecules weight range is wider in the composite fibre preparation process, helps suitability for industrialized production.
5. composite fibre has good snugness of fit, dyeability is good, wrinkle resistance is strong, simultaneously health care is arranged also, can be used for high-grade dress ornament textiles and wig.
The specific embodiment
Below by example the present invention is specifically described.Be necessary to be pointed out that at this; following example only is used for the present invention is further specified; can not be interpreted as limiting the scope of the invention, the person skilled in the art in this field can make some nonessential improvement and adjustment to the present invention according to the foregoing invention content.
Embodiment 1
With molecular weight is that 100 parts and 300 parts deionized waters of collagen of 1000 blend together homogeneous phase solution A, 100 parts and 300 parts deionized waters of the polyvinyl alcohol of the degree of polymerization 1000 alcoholysis degrees 99% blend together homogeneous phase solution B, and 0.5 part of glyoxal and 99.5 parts of deionized waters blend together homogeneous phase solution C.Again solution A is added under stirring condition in the solution B, regulate pH to 11, add solution C then, keep 70 ℃ of former liquid temps with alkali.
The spinning of spinning solution, with above-mentioned obtain spinning solution filter, deaeration is after the ejection of the spinneret orifice in 0.08mm aperture, with in 40 ℃ of saturated sodium sulphate-sulfuric acid coagulating baths, the 40 ℃ of saturated sodium sulphate-NaOH and bathe, 40 ℃ of saturated sodium sulphate washing bath wet spinnings obtain as-spun fibre.
The post processing of fiber, as-spun fibre is at 150 ℃ of stretch down 2～5 times, HEAT SETTING 2.5min, and acetalation obtains finished fiber after handling, washing.
The fiber number of the finished fiber that obtains is 1.5-2.5dtex, and fracture strength is 3.96-5.40N/dtex, and elongation at break is 14.58-21.70%, and initial modulus is 84.59-106.1cN/dtex.This fiber nitrogen content is 88% of a spinning solution nitrogen content, and softening point in water is 100 ℃, and final dye-uptake is 96%, and regain is 7.8%.
Embodiment 2
With molecular weight is that 100 parts and 900 parts deionized waters of collagen of 100000 blend together homogeneous phase solution A, 100 parts and 900 parts deionized waters of the polyvinyl alcohol of the degree of polymerization 2000 alcoholysis degrees 90% blend together homogeneous phase solution B, and 0.5 part of glyoxal and 99.5 parts of deionized waters blend together homogeneous phase solution C.Again solution A is added under stirring condition in the solution B,, add solution C then, keep 75 ℃ of former liquid temps with acid for adjusting pH to 5.
The spinning of spinning solution, with above-mentioned obtain spinning solution filter, deaeration is after the ejection of the spinneret orifice in 0.1mm aperture, with in 60 ℃ of saturated sodium sulphate-sulfuric acid coagulating baths, the 60 ℃ of saturated sodium sulphate-NaOH and bathe, 60 ℃ of saturated sodium sulphate washing bath wet spinnings obtain as-spun fibre.
The post processing of fiber, as-spun fibre is at 220 ℃ of stretch down 2～5 times, HEAT SETTING 3.5min, and acetalation is handled, and obtains finished fiber after the washing.
The fiber number of the finished fiber that obtains is 3.98-6.90dtex, and fracture strength is 1.54-4.01N/dtex, and elongation at break is 28.30-61.08%, and initial modulus is 26.99-42.24cN/dtex.This fiber nitrogen content is 90% of a spinning solution nitrogen content, and softening point in water is 99 ℃, and final dye-uptake is 95%, and regain is 8.4%.
Embodiment 3
With molecular weight is that 100 parts and 900 parts deionized waters of collagen of 150000 blend together homogeneous phase solution A, 100 parts and 900 parts deionized waters of the polyvinyl alcohol of the degree of polymerization 2500 alcoholysis degrees 99% blend together homogeneous phase solution B, and 0.5 part of glyoxal and 99.5 parts of deionized waters blend together homogeneous phase solution C.Again solution A is added under stirring condition in the solution B, regulate pH to 11, add solution C then, keep 80 ℃ of former liquid temps with alkali.
The spinning of spinning solution, with above-mentioned obtain spinning solution filter, deaeration is after the ejection of the spinneret orifice in 0.08mm aperture, with in 30 ℃ of saturated sodium sulphate-sulfuric acid coagulating baths, the 30 ℃ of saturated sodium sulphate-NaOH and bathe, 30 ℃ of saturated sodium sulphate washing bath wet spinnings obtain as-spun fibre.
The post processing of fiber, as-spun fibre is at 2100 ℃ of stretch down 2～5 times, HEAT SETTING 4min.Obtain finished fiber after hydroformylation, the washing.
The fiber number of the finished fiber that obtains is 4.2-5.74dtex, and fracture strength is 2.67-3.08N/dtex, and elongation at break is 29.30-39.82%, and initial modulus is 38.45-42.24cN/dtex.This fiber nitrogen content is 94% of a spinning solution nitrogen content, and softening point in water is 105 ℃, and final dye-uptake is 97%, and regain is 9.1%.
Embodiment 4
With molecular weight is that 100 parts and 500 parts deionized waters of collagen of 80000 blend together homogeneous phase solution A, 100 parts and 500 parts deionized waters of the polyvinyl alcohol of the degree of polymerization 1700 alcoholysis degrees 99% blend together homogeneous phase solution B, and 0.5 part of glyoxal and 99.5 parts of deionized waters blend together homogeneous phase solution C.Again solution A is added under stirring condition in the solution B, regulate pH to 11, add solution C then, keep 70 ℃ of former liquid temps with alkali.
The spinning of spinning solution, with above-mentioned obtain spinning solution filter, deaeration is after the ejection of the spinneret orifice in 0.10mm aperture obtains as-spun fibre with 60 ℃ of saturated sodium sulphate coagulating baths, 60 ℃ of saturated sodium sulphate washing bath wet spinnings.
The post processing of fiber, as-spun fibre is at 230 ℃ of stretch down 2～4 times, HEAT SETTING 4.5min, and acetalation obtains finished fiber after handling, washing.
The fiber number of the finished fiber that obtains is 3.75-4.76dtex, and fracture strength is 3.12-4.08N/dtex, and elongation at break is 18.54-27.86%, and initial modulus is 35.79-43.44cN/dtex.This fiber nitrogen content is 93% of a spinning solution nitrogen content, and softening point in water is 100 ℃, and final dye-uptake is 95%, and regain is 8.2%.
Claims (6)
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| CN102605461A (en) * | 2012-02-23 | 2012-07-25 | 四川大学 | Method for preparing protein/polyving akohol composite fiber by utilizing polybasic carboxylic acid as cross linking agent |
| CN103436986A (en) * | 2013-08-01 | 2013-12-11 | 湖州珠力纳米材料科技开发有限公司 | Preparation method of polypeptide soybean protein complex fiber |
| CN104073914A (en) * | 2014-06-20 | 2014-10-01 | 龚䶮 | A kind of fish collagen composite fiber, its preparation method and application |
| CN105002591A (en) * | 2015-08-05 | 2015-10-28 | 大连岭前农业专业合作社 | Method using quail feathers for manufacturing composite fibers for wig |
| CN105369389A (en) * | 2014-08-07 | 2016-03-02 | 曾伊崧 | Collagen fiber and its production process |
| CN106835326A (en) * | 2016-07-11 | 2017-06-13 | 济南圣泉集团股份有限公司 | High performance Graphene composite polyvinyl alcohol fiber and preparation method thereof, application |
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| CN116536937A (en) * | 2023-05-06 | 2023-08-04 | 陕西科技大学 | Preparation method of biomass material based on paper-based leather |
| CN116732639A (en) * | 2023-07-24 | 2023-09-12 | 辛集市宝隆科技有限公司 | Collagen-natural polymer material composite fiber and preparation method thereof |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102605461B (en) * | 2012-02-23 | 2013-10-16 | 四川大学 | Method for preparing protein/polyving akohol composite fiber by utilizing polybasic carboxylic acid as cross linking agent |
| CN102605461A (en) * | 2012-02-23 | 2012-07-25 | 四川大学 | Method for preparing protein/polyving akohol composite fiber by utilizing polybasic carboxylic acid as cross linking agent |
| CN103436986A (en) * | 2013-08-01 | 2013-12-11 | 湖州珠力纳米材料科技开发有限公司 | Preparation method of polypeptide soybean protein complex fiber |
| CN104073914A (en) * | 2014-06-20 | 2014-10-01 | 龚䶮 | A kind of fish collagen composite fiber, its preparation method and application |
| CN105369389B (en) * | 2014-08-07 | 2018-06-08 | 曾伊崧 | Collagen fiber and its production process |
| CN105369389A (en) * | 2014-08-07 | 2016-03-02 | 曾伊崧 | Collagen fiber and its production process |
| CN105002591A (en) * | 2015-08-05 | 2015-10-28 | 大连岭前农业专业合作社 | Method using quail feathers for manufacturing composite fibers for wig |
| CN106835326A (en) * | 2016-07-11 | 2017-06-13 | 济南圣泉集团股份有限公司 | High performance Graphene composite polyvinyl alcohol fiber and preparation method thereof, application |
| CN106835326B (en) * | 2016-07-11 | 2020-02-04 | 济南圣泉集团股份有限公司 | High-performance graphene composite polyvinyl alcohol fiber and preparation method and application thereof |
| CN107151831A (en) * | 2017-06-20 | 2017-09-12 | 海安县中山合成纤维有限公司 | A kind of PVA, collagen and duck's down fiber composite fibers material |
| CN108977912A (en) * | 2018-07-09 | 2018-12-11 | 天津工业大学 | The preparation method of collagenous fibres |
| CN108977912B (en) * | 2018-07-09 | 2020-01-14 | 天津工业大学 | Preparation method of collagen fiber |
| CN113412104A (en) * | 2019-01-25 | 2021-09-17 | 雷诺尼尔性能纤维有限责任公司 | Improved absorption properties by cross-linking cellulose with glyoxal |
| CN112962160A (en) * | 2021-03-26 | 2021-06-15 | 江苏达胜伦比亚生物科技有限公司 | Solvent method for preparing vinylon |
| CN116536937A (en) * | 2023-05-06 | 2023-08-04 | 陕西科技大学 | Preparation method of biomass material based on paper-based leather |
| CN116732639A (en) * | 2023-07-24 | 2023-09-12 | 辛集市宝隆科技有限公司 | Collagen-natural polymer material composite fiber and preparation method thereof |
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| CN100558957C (en) | 2009-11-11 |
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Assignee: Shanghai Quanyu Biological Science and Technology Suiping Co., Ltd. Assignor: Sichuan University Contract record no.: 2010410000155 Denomination of invention: Method for preparing collagen/ polyvinyl alcohol composite fiber using dialdehyde as cross-linking agent Granted publication date: 20091111 License type: Exclusive License Open date: 20070801 Record date: 20101110 |
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