CN1244726C - Preparing method for soybean protein cellulose - Google Patents
Preparing method for soybean protein cellulose Download PDFInfo
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- CN1244726C CN1244726C CN 200410010327 CN200410010327A CN1244726C CN 1244726 C CN1244726 C CN 1244726C CN 200410010327 CN200410010327 CN 200410010327 CN 200410010327 A CN200410010327 A CN 200410010327A CN 1244726 C CN1244726 C CN 1244726C
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- soybean protein
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Abstract
The present invention discloses a method for preparing a cellulose fiber of soybean protein. Separated and purified soybean protein from soybeans is dissolved in the water solution of sodium hydroxide with the temperature of 40 to 60 DEG C and the concentration of 1 to 5% so as to obtain soybean protein solution; 0.01 to 0.1 wt% of initiator is added to the soybean protein solution; 0.01 to 0.3 wt% of amine acrylate measured by the weight of soybean protein solid is added to soybean protein solution for uniformly stir, and the reaction is carried out at the temperature of 30 to 60 DEG C for 1 to 4 hours; the solution is filtrated to obtain the spinning liquid of soybean protein; the spinning liquid of soybean protein is mixed with cellulose xanthate ester according to a required proportion; viscose filament and viscose staple fibers of soybean protein cellulose fibers are prepared by corresponding technologies according to preparation requirements. The cellulose fiber of soybean protein has the advantages of favorable hygroscopicity, ventilation property, soft feeling, soft luster, good spinnability and broad resource; the present invention opens a new direction of crop deep processing, and has great social and economic benefits.
Description
Technical field the present invention relates to the textile industry material, particularly a kind of is main raw material with pulp, sulfuric acid, NaOH, soybean protein, carbon disulfide, acrylamide, aldehydes, is mixed and the manufacture method of the soybean fiber cellulose fiber made by cellulose and soybean protein.
Background technology Patent Office of the People's Republic of China discloses the patent of invention that application number is 02138823.7 " a kind of manufacture method of soybean protein viscose " on January 18th, 2004, it is the weight ratio according to soybean protein and polyvinyl alcohol 1: 0.1-0.15, the initator that in the soy bean proteinous soln of uniform temperature, adds 0.1-1%, get soybean protein by the solid weight ratio again, stir at a certain temperature the soybean protein spinning solution, the soybean protein spinning solution is mixed with the viscose glue that conventional method is produced by a certain percentage, injection spinning before employing is spun, through sulfur acid, sodium sulphate, after the coagulating bath that zinc sulfate is formed is shaped, with spinning gained spinning cake formaldehyde, sulfuric acid, the mixed liquor of sodium sulphate carries out hydroformylation to be handled 1-3 hour, got the soybean protein viscose.Its fiber hygroscopicity, gas permeability, dyeability all are better than real silk, and be soft, is easy to processing, and cost is low, and resource is wide.But the defective of its existence is: according to said method the polyvinyl alcohol solute effect is bad in the soybean protein spinning solution of Sheng Chaning, and bigger to the influence of spinning spinnability, and spinnability is poor, and influence is produced in enormous quantities.
Summary of the invention the objective of the invention is to propose that a kind of resource is wide, cost is low, hygroscopicity, good permeability, and is soft, is easy to processing, good spinnability, the manufacture method of the soybean fiber cellulose fiber that is easy to produce in enormous quantities.
Technical scheme of the present invention is finished as follows, it comprises that the viscose glue of producing with soybean protein spinning solution and conventional method of producing of soybean protein spinning solution mixes, through sulfur acid, sodium sulphate, the coagulating bath spinning moulding that zinc sulfate is formed, carrying out hydroformylation again in acetal liquid handles, it is characterized in that: the method for producing the soybean spinning solution is, soybean protein is separated purification, being dissolved in temperature is 40-60 ℃, concentration is to obtain soy bean proteinous soln in the sodium hydrate aqueous solution of 1-5%, adding weight ratio in soy bean proteinous soln is the initator of 0.01-0.1%, again by the acrylamide of soy proteinaceous solid weight than adding 1-30%, under temperature 30-60 ℃ condition, reacted behind the stirring and evenly mixing 1-4 hour, to obtain the soybean protein spinning solution after the above-mentioned solution filtration, then soybean protein spinning solution and cellulose fibre production method spinning moulding routinely after cellulose xanthate mixes, carrying out acetal again in acetal liquid handled 0.5-3 hour, after post processing obtains protein content is 5-40%, content of cellulose is the soybean fiber cellulose viscose filament of 60-95% and the soybean fiber cellulose fiber of soybean fiber cellulose fiber viscose staple fibre.Above-mentioned acetal liquid is made up of 5-25 grams per liter sulfuric acid, 130-250 grams per liter sodium sulphate, 10-50 grams per liter aldehydes, its aldehydes comprise formaldehyde, glyoxal, any one of glutaraldehyde and benzaldehyde.Soybean fiber cellulose fiber provided by the invention has hygroscopicity, gas permeability preferably, and is soft, gloss is soft, be easy to processing and batch process, resource is wide, has opened up new direction for the deep processing of crops, has the huge social benefit.
The specific embodiment
With embodiment the present invention is described further below.
Embodiment 1: will separating 10 kilograms of the soybean proteins of purifying, to be dissolved in 50 intensification degree be that 50 ℃, concentration are in the sodium hydrate aqueous solution of 25g/1, and dissolution time 3 hours obtains soy bean proteinous soln after the dissolving fully.Be 5% to add 0.05 kilogram in 0.5 kilogram of acrylamide and initator hydrogen peroxide by soy proteinaceous solid weight again, reaction is 3 hours under 50 ℃ of conditions of temperature, above-mentioned solution filtration is obtained the soybean protein spinning solution, by volume 27 parts of soybean protein spinning solutions are added in 1000 parts of viscose glues then and dynamically mix, after the static mixing, carry out spinning with injection before spinning, the spinning head specification is PN-12-30-0.075, spinning speed is 73.5 meters/minute, coagulation bath temperature is 50 ℃, sulfuric acid content 135g/l, sodium sulphate content 275g/l, zinc sulfate content 11.5g/l, the spinning cake that is spun into is used the sulfuric acid by 25g/l again, 200g/l sodium sulphate, the acetal liquid that the 45g/l glyoxal is formed, hydroformylation was handled 3 hours when 45 ℃ of temperature, passed through desulfurization again, washing, pickling, washing, oil, dehydration, obtain containing protein after the oven dry and be 5% soybean fiber cellulose viscose filament.
Embodiment 2: will separating 60 kilograms of the soybean proteins of purifying, to be dissolved in 260 intensification degree be that 40 ℃, concentration are in the sodium hydrate aqueous solution of 50g/l, dissolution time 2.5 hours, obtain soy bean proteinous soln after the dissolving fully, add 15 kilograms of acrylamides and 0.5 kilogram in initator hydrogen peroxide by soy proteinaceous solid weight than 25% again, reaction is 4 hours under 45 ℃ of temperature, above-mentioned solution is filtered obtain the soybean protein spinning solution.By volume 183 parts of soybean protein spinning solutions are added in 1000 parts of viscose glues then and dynamically mix, after the static mixing, spinning head spinning with PN-15000-0.06, spinning speed is 50 meters/minute, coagulation bath temperature is 48 ℃, sulfuric acid content 100g/l, sodium sulphate content 320g/l, zinc sulfate 9g/l, tow is through sulfuric acid content 10g/l, temperature is that 99 ℃ plasticizing-bath passes through the sulfuric acid by 7g/l afterwards again, 140g/l sodium sulphate, the 10g/l glutaraldehyde, temperature is that hydroformylation was handled 0.5 hour in 40 ℃ the acetal liquid, and tow is through cutting off then, washing, desulfurization, washing, oil bath, oven dry, after the packing soy protein content is 40% soybean fiber cellulose viscose short.
Embodiment 3: will separating 15 kilograms of the soybean proteins of purifying, to be dissolved in 60 intensification degree be that 50 ℃, concentration are in the sodium hydrate aqueous solution of 30g/l, and dissolution time 1 hour obtains soy bean proteinous soln after the dissolving fully.Add 0.5 kilogram in 1.5 kilograms of acrylamides and initator hydrogen peroxide by 10% of soy proteinaceous solid weight ratio again, reaction is 2 hours under 50 ℃ of conditions of temperature, above-mentioned solution filtration is obtained the soybean protein spinning solution, by volume 90 parts of soybean protein spinning solutions are added in 1000 parts of viscose glues then and dynamically mix, after the static mixing, carry out spinning with injection before spinning through continuous spinning machine, the spinning head specification is PN-4-30-0.08, spinning speed is 1700 meters/minute, coagulation bath temperature is 60 ℃, sulfuric acid content 150g/l, sodium sulphate content 230g/l, zinc sulfate content 11g/l, the strand that is spun into is 45 ℃ through excess temperature, by 15g/l sulfuric acid, 180g/l sodium sulphate, the acetal liquid that 30g/l formaldehyde is formed, again through washing, oil, be wound into tube after the oven dry, obtain containing protein content and be 20% the plain continuous spunbond glue long filament of soybean fiber.
The present invention spins the soybean fiber cellulose fiber physical index such as the following table of production continuously:
1 does fracture strength CN/dtex 1.89
2 wet breaking strength CN/dtex 0.89
3 dried extension at break % 14.5
The 4 dried CV value % 5.57 that stretch
5 line density dtex 109.6
6 line density deviation %-1.4
7 line density CV value % 1.28
8 monofilament radical roots 30
9 monofilament radical deviation % 0
10 dye uniformity levels 3.5
Claims (2)
1, the manufacture method of soybean fiber cellulose fiber, it comprises that the viscose glue of producing with soybean protein spinning solution and conventional method of producing of soybean protein spinning solution mixes, through sulfur acid, sodium sulphate, the coagulating bath spinning moulding that zinc sulfate is formed, carrying out hydroformylation again in acetal liquid handles, it is characterized in that: the method for producing the soybean protein spinning solution is, soybean protein is separated purification, being dissolved in temperature is 40-60 ℃, concentration is to obtain soy bean proteinous soln in the sodium hydrate aqueous solution of 1-5%, adding weight ratio in soy bean proteinous soln is the initator of 0.01-0.1%, again by the acrylamide of soy proteinaceous solid weight than adding 1-30%, under temperature 30-60 ℃ condition, reacted behind the stirring and evenly mixing 1-4 hour, to obtain the soybean protein spinning solution after the above-mentioned solution filtration, then soybean protein spinning solution and cellulose fibre production method spinning moulding routinely after cellulose xanthate mixes, carrying out acetal again in acetal liquid handled 0.5-3 hour, after post processing obtains protein content is 5-40%, content of cellulose is the soybean fiber cellulose viscose filament of 60-95% and the soybean fiber cellulose fiber of soybean fiber cellulose fiber viscose staple fibre.
2, the manufacture method of soybean fiber cellulose fiber according to claim 1, it is characterized in that: above-mentioned acetal liquid is made up of 5-25 grams per liter sulfuric acid, 130-250 grams per liter sodium sulphate, 10-50 grams per liter aldehydes, its aldehydes comprise formaldehyde, glyoxal, in glutaraldehyde and the benzaldehyde any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410010327 CN1244726C (en) | 2004-06-04 | 2004-06-04 | Preparing method for soybean protein cellulose |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410010327 CN1244726C (en) | 2004-06-04 | 2004-06-04 | Preparing method for soybean protein cellulose |
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| CN1584147A CN1584147A (en) | 2005-02-23 |
| CN1244726C true CN1244726C (en) | 2006-03-08 |
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| CN 200410010327 Expired - Fee Related CN1244726C (en) | 2004-06-04 | 2004-06-04 | Preparing method for soybean protein cellulose |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100395382C (en) * | 2005-12-20 | 2008-06-18 | 东华大学 | Mixed soybean protein-viscose fiber |
| CN101457411B (en) * | 2008-12-19 | 2011-11-30 | 苏州恒光化纤有限公司 | Method for manufacturing protein cellulose fiber |
| CN101660215A (en) * | 2009-09-23 | 2010-03-03 | 陈福库 | Protein and cellulose composite fiber and manufacturing method thereof |
| CN102071494B (en) * | 2010-11-22 | 2012-02-15 | 阜宁澳洋科技有限责任公司 | Soybean protein composite cellulose fiber and preparation method thereof |
| CN102534859B (en) * | 2011-12-23 | 2014-01-01 | 上海全宇生物科技遂平有限公司 | Manufacturing method of soybean protein and polyvinyl alcohol polymerized fiber |
| CN103668546A (en) * | 2012-09-21 | 2014-03-26 | 江苏蓝品纤维科技发展有限公司 | Yonic fiber and functional fiber prepared therefrom |
| CN104674375B (en) * | 2015-02-09 | 2016-08-17 | 大连工业大学 | A kind of preparation method of wig composite fibre |
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