CN101294316B - Method for producing protein viscose fiber with animal protein and plant fiber - Google Patents
Method for producing protein viscose fiber with animal protein and plant fiber Download PDFInfo
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- CN101294316B CN101294316B CN2007100977238A CN200710097723A CN101294316B CN 101294316 B CN101294316 B CN 101294316B CN 2007100977238 A CN2007100977238 A CN 2007100977238A CN 200710097723 A CN200710097723 A CN 200710097723A CN 101294316 B CN101294316 B CN 101294316B
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- protein
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Abstract
The invention provides a method for extracting animal protein from hair and skin of animals and co-spinning with vegetable fiber. Protein viscose fiber can be prepared by fixing protein on protein fiber, and has wool feeling, elasticity and better dry strength than wool. The protein viscose fiber can be prepared into wool materials or wool yarns by blended spinning with wool and synthetic fiber or pure spinning to serve as a good substitute of wool. The method comprises the following steps: extracting protein from hair and skin of animals, denaturing, and co-spinning with alpha-cellulose in acid bath, wherein the ratio of the protein liquid to alpha-cellulose is 3:7 to 3.5:6.5. The denatured protein liquid can be made into protein viscose spinning liquid by mixing in a mixing segment in the flow of a mixing machine, and can be used for spinning after defoaming and aging.
Description
One: technical field
Textile industry is the conventional industries of China, and the outlet textiles of China is resource-hungry basically, and competitiveness is not too strong in the international market, and working depth is not too big, and surcharge is not too high, does not sell good price.The outlet garment material has half to lean on import, and some also leans on import domestic high-grade fabric.Use up considerable foreign exchange every year.So at China's textile product structural adjustment give prominence to the key points chemical fibre and garment material.Utilize new and high technology, methods such as new material are transformed the backward situation of China's textile industry.
Two: background technology
The imitation natural fabric, the surcharge of raising viscose.The characteristics of wool maximum are bulk plentiful, and drapability is good.This all faces upward volt wool fibre specific form structure.Scale appearance cortex, inferior epidermal area, endepidermis layer have encased fibrillating fibre and residual cells nuclear.So the lining that wool and other fiber blend are produced belongs to high-grade fabric, obtains consumers in general's favor.But the price height, broad masses cannot afford to wear.In order to give the viscose emulation technology, utilize animal protein and plant alpha cellulose cospinning, it characteristic that possesses cold wool is not had, it has the feel of wool and elasticity, and it is better than wool by force to do, and is suitable for and wool, synthetic fiber blending or pure spinning, and makes woolen cloth or knitting wool.It is a kind of good kind that replaces wool.
China's protein resource is abundant, and all there are meat processing combine, slaughterhouse and tannery in various places, and the hairs of annual various animals and the leftover bits and pieces of tannery have several hundred million tons.Therefore, utilize these richs in natural resources,, increase the designs and varieties of China's textile product, improve the class of China's textile product, have meaning of crucial importance for China's woolen industry provides new raw material.
Three: summary of the invention
The invention solves the condition of animal protein regeneration and the selection of protein cross agent, and sulfuric acid concentration in the proportioning that suits of mould rope alpha cellulose and protein and the coagulating bath, cured is to the influence of end product quality.The reason that further research strand protein comes off and the way of solution are improved the protein cellulose viscose quality.
Four: specific implementation method
(1): the degenerative treatments of protein
1, the preparation flow of albuminate liquid
Ox hair, pig hair, chicken feather, ox-hide leftover bits and pieces etc. → hot expanded → dissolving → → filtration → regeneration → dissolving → cyanoethylation → methylolation → albuminate liquid.
2, the preparation of albuminate liquid
(1) impurity elimination: after animal wool, skin dedusting, use 2 kilograms per centimeter
2Expanded 20 ~ 30 minutes of steam.
(2) dissolving animal hair, skin:
Process conditions: alkali lye (NaOH) concentration: 30-32 grams per liter
Liquor ratio: 1: 5
Initial temperature: 80-85 ℃
Insulation: 60-70 ℃
Temperature retention time: 120-140 minute.
(3) filter: filter with flame filter press.
(4) protein renaturation:
Process conditions: will cross the protein liquid of filtration, and use 10%H
2SO
4The solution neutralization,
Regulate PH=4, albumen precipitation is separated out, filter, washing is to neutral.
(5) regeneration protein dissolution
Process conditions: liquor ratio: (pressing the over dry protein refractometer) 1: 8
Concentration of lye: 20-25 grams per liter
Temperature: 65-70 ℃.
(6) cyanoethylation:
With the protein dissolution of purifying in the NaOH of 20-25 grams per liter solution, liquor ratio (press the over dry protein refractometer) 1: 8, temperature: 65-70 ℃, behind the protein dissolution of waiting to regenerate, add the acrylonitrile of 25-30% (press the over dry protein refractometer), descend to be incubated 2 hours at 50-60 ℃.
(7) methylolation:
Protein is in course of dissolution, and the part molecule is strong to be damaged, and should carry out crosslinked or grafting, to improve intensity, resiliency and the heat endurance of fiber.
Behind the protein liquid cyanoethylation, the formalin (pressing the over dry protein refractometer) that adds 0.5-1 gram molecule 40% is after being incubated 3-3.5 hour under 70-85 ℃, and the placement room temperature is stand-by.
(2): the protein cellulose viscose technological process
Albuminate liquid
↓
String pulp → the cut dregs of rice → batch viscose machine → back dissolving → mixing → albumen rayon spinning liquid → filter together → two road filtration → deaeration → maturation → spinning → plasticization drawing → wrapping wire → cut-out → post processing → drying → finished products.
(3): technological parameter
Pulp methyl fiber content 92.57% moisture 14.5%
Viscose glue contains the fine 8.5% viscose glue alkalinity 6% of first
CS
2Consumption 31%.
The batch viscose machine method
1, alkalization:
Alkali is fine to be formed: first fibre: 22.15% alkalinity: 16.11%
Auxiliary agent title: AC18 auxiliary dosage: 0.5%
Alkalization time: 40 minutes alkalization temperatures: 45 ℃.
2, sulfonation
The sulfonation time: 30 minutes sulfonation temperatures: 35 ℃.
3, dissolving:
Dissolution time: 40 minutes solution temperatures: 13 ℃
Molten back glue: viscose glue contains the first fibre: 8.63% viscose glue contains alkali: 6.51%
Esterification degree: 52.69% viscosity was greater than 100 seconds
Salt figure (NaCl):>10 (20%NaCl represents).
(4): the mixing of albumen viscose solution
The cyanoethylation protein liquid that will contain methylol adds and to have dissolved in the good viscose glue stoste, stirs 60 minutes, after filtration, maturation and deaeration.
Process conditions:
Filter together: 1 felt, 1 mansion 1 is thin
Two roads filter: 2 suedes, 2 mansions 1 are thin
Maturation time: 3-4 hour
Maturation temperature: 22 ℃
Viscose glue salt figure (NaCl): 3-4 (20%NaCl represents) before spinning.
(5): spinning
Process conditions: spinning speed: 26---28 meters/minute
Spinning pressure: 2 kilograms per centimeter
2
Length is soaked in spinning: the 350-400 millimeter
Coagulating bath: H
2SO
4The 62-64 grams per liter
Na
2SO
4The 320-330 grams per liter
ZnSO
4The 12-15 grams per liter
Temperature: 45-50 ℃
Plasticization drawing: 45%
Plasticizing-bath: H
2SO
4The 5-10 grams per liter
Temperature: 85---90 ℃.
(6): post processing
1, heat is lax: water temperature: 70-80 ℃.
2, albumen solidifies:
Chromic salts is handled: chromic salts concentration (proportion 1.30-1.45), basicity 35-38%, temperature 60-70 ℃, 2 hours time.
3, the washing: 2 to 3 times temperature 40-50 ℃.
4, desulfurization: NaOH concentration 2 grams per liters, temperature 60-70 ℃.
5, the washing: 2 to 3 times temperature 40-50 ℃.
6, bleaching: Peracetic acid is floated, consumption 3-4%, 50 ℃ of temperature, 90 minutes time, PH:5.
7, pickling: HCL concentration 2 grams per liters, normal temperature, time 5-10 minute.
8, washing: normal temperature is washed till neutrality.
9, oil: turkey red oil concentration 2-4 grams per liter, 50 ℃ of temperature, 20 minutes time.
10, oven dry: use the 2-3 kilograms per centimeter
2Steam baking 20 minutes.
(7): animal protein and alpha cellulose proportioning
Be 3: 7~3.5: 6.5, its product quality: do the strong 2.3 gram/dawn, driedly stretch 21%,
Fiber number 3.11-4.5oltex, 5% specified elongation elasticity 51-55%.
(8): cured
Will be cured processing to containing the higher protein cellulose viscose of protein, with 35% basicity chromic anhybride solution-treated, 50 ℃ of temperature, handle 2 hours after wash repeatedly, strand contains protein stabilization, good hand touch, and the crimpness height, good springiness, outward appearance is near wool.
(9): the protein cellulose viscose bleaching
Be preferably under the acid condition bleaching, the protein on the fiber can not be subjected to the alkali effect in bleaching process like this, makes partially protein not exist and be decomposed with macromolecular compound; Protein adds in the viscose glue simultaneously, and the viscose glue alkalinity is higher and influenced by sulfide, and the partially protein hydrolysis is arranged again, becomes low molecular compound, and partially protein can not be crosslinked with fiber.When with Peracetic acid bleaching, PH=5, under solutions of weak acidity, the protein content of strand changes not quite basically.
Claims (4)
1. animal protein and string are made the protein cellulose viscose method, it is characterized in that this method technological process is:
Albuminate liquid
↓
String pulp → the cut dregs of rice → batch viscose machine → back dissolving → mixing → albumen rayon spinning liquid → filter together → two road filtration → deaeration → maturation → spinning → plasticization drawing → wrapping wire → cut-out → post processing → drying → finished products;
And the technological process of above-mentioned making albuminate liquid is:
Ox hair, pig hair, chicken feather, ox-hide leftover bits and pieces---→ hot expanded---→ dissolving---→ filtration---→ regeneration---→ dissolving---→ cyanoethylation---→ methylolation---→ albuminate liquid.
2. animal protein according to claim 1 and string are made the protein cellulose viscose method, it is characterized in that, in the condition that ox hair, pig hair, chicken feather, ox-hide leftover bits and pieces are dissolved are:
NaOH concentration of lye: 30-32 grams per liter; Liquor ratio: 1: 5; Initial temperature: 80-85 ℃; Insulation: 60-70 ℃; Temperature retention time: 120-140 minute.
3. animal protein according to claim 1 and string are made the protein cellulose viscose method, it is characterized in that the process conditions of protein renaturation and protein dissolution are respectively in the described technological process: protein renaturation, with crossing the protein liquid that filters, use 10%H
2SO
4PH=4 is regulated in the solution neutralization, and albumen precipitation is separated out, and filters, and washing is to neutral; The regeneration protein dissolution, process conditions: liquor ratio: 1: 8, concentration of lye, 20-25 grams per liter, temperature: 65-70 ℃.
4. animal protein according to claim 1 and string are made the protein cellulose viscose method, it is characterized in that comprise the albumen solidification process in the post processor, its technology is: with 35% basicity chromic anhybride solution-treated protein cellulose viscose, 50 ℃ of temperature were handled 2 hours after wash repeatedly.
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Families Citing this family (10)
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US20130111674A1 (en) * | 2010-03-26 | 2013-05-09 | Danisco Us Inc. | Treatment of keratinous fibers with an enzyme having perhydrolase activity |
CN102304781B (en) * | 2011-07-22 | 2013-07-31 | 福建众和股份有限公司 | Regenerated chicken-feather protein viscose fiber as well as preparation method and application thereof |
CN102505469B (en) * | 2011-09-27 | 2014-04-02 | 宜宾海丝特纤维有限责任公司 | Pressure washing treatment method in viscose filament yarn aftertreatment process |
CN102493020B (en) * | 2011-12-06 | 2013-12-18 | 恒天海龙股份有限公司 | Regenerated animal micro powder protein cellulose fiber and preparation method thereof |
CN102560735B (en) * | 2012-02-15 | 2013-11-20 | 成都丽雅纤维股份有限公司 | Production process of wool protein compound viscose fiber |
CN102953180B (en) * | 2012-11-14 | 2015-04-01 | 际华三五零九纺织有限公司 | Method for producing jade silkworm fiber pure 60s compact spinning yarn |
CN103882575A (en) * | 2012-12-24 | 2014-06-25 | 南通美铭锦纶有限公司 | Polypropylene, abaca fiber and viscose protein fiber blended yarn |
CN104195663B (en) * | 2014-08-05 | 2017-02-01 | 中科纺织研究院(青岛)有限公司 | Silk hemp cellulose fiber and preparation method thereof |
CN110452826A (en) * | 2019-07-24 | 2019-11-15 | 郑州家善环保科技有限公司 | It is a kind of for the bread of viscose fiber spinning or the preparation method of brewer's yeast protein solution |
CN112646194B (en) * | 2020-12-17 | 2022-05-13 | 宜宾惠美纤维新材料股份有限公司 | Quinoa protein liquid for fiber compounding and preparation method of quinoa protein fiber |
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2007
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Title |
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张瑞文等.动物蛋白/纤维素(粘胶)共混溶液纺丝性能研究.《纤维素科学与技术》.2007,第15卷(第1期),32-35. * |
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