CN104264274A - Preparation method of peanut protein collagen blend composite fiber - Google Patents
Preparation method of peanut protein collagen blend composite fiber Download PDFInfo
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- CN104264274A CN104264274A CN201410440957.8A CN201410440957A CN104264274A CN 104264274 A CN104264274 A CN 104264274A CN 201410440957 A CN201410440957 A CN 201410440957A CN 104264274 A CN104264274 A CN 104264274A
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Abstract
The invention discloses a preparation method of peanut protein collagen blend composite fiber. The method comprises the following steps: dissolving peanut protein in an imidazolium ionic liquid solution in a certain concentration to prepare 20-50% of peanut protein solution, dissolving collagen in the imidazolium ionic liquid solution in a certain concentration to prepare 20-60% of collagen solution, dissolving polyvinyl alcohol in the imidazolium ionic liquid solution in a certain concentration to prepare 10-22% of polyvinyl alcohol ionic liquid solution, mixing the above solutions according to a certain proportion, adding auxiliaries, filtering and de-aerating to prepare the peanut protein collagen blend composite fiber through a wet spinning method; stretching, washing, acetal processing, oiling, drying, curling and sizing to obtain the blend fiber. By adding the imidazolium ionic liquid synthetic intermediate in the peanut protein collagen blend fiber prepared by the invention as a solvent, the protein content in the composite fiber is obviously improved, the hand feel is soft, the composite fiber is comfortable and healthcare; the mechanical properties such as stretching property of the composite fiber are obviously enhanced since the collage fiber has long-chain structure, the composite fiber is good in skin-touch, and suitable for large-scale industrial production.
Description
Technical field
The present invention relates to a kind of preparation method of peanut protein collagen blending composite fibre, specifically with the peanut protein extracted in peanut processing and livestock and poultry, aquatic products processing residue thing and collagen for main raw material, with glyoxaline ion liquid solution for solvent, prepare the method for peanut protein collagen blending composite fibre.
Background technology
Collagen is ubiquitous a kind of high molecular weight protein in animal body, is mainly present in the connective tissue (bone, cartilage, skin, tendon, tough etc.) of animal, accounts for 25% ~ 30% of mammalian body internal protein, be equivalent to 6% of body weight.Many marine organisms, as the skin of fish, account for its collagen content even up to more than 80%.Contain abundant collagen in livestock and poultry and aquatic livestock processing fent, processing recycling is carried out to this part collagen there is good economic benefit and social benefit.Collagen to body and internal organs play support, protection, combine and formed boundary every etc. effect.Except biomethanics aspect, also there is the functions such as the transport of such as signal transduction, growth factor and cell factor.Nearly ten years, along with the understanding of the many biological functions to collagen, make collagen material especially noticeable.
The peanut of the 55%-60% that current China peanut always produces is used for squeezing peanut oil, every year by the peanut meal of generation about 2,000,000 tons.In peanut meal after oil expression, protein content is at about 45%-49%, has very high value, is one of important sources of peanut protein.In recent years, launch gradually based on the intensive processing of peanut meal and the research of comprehensive utilization, mainly comprise and utilize peanut meal to produce peanut protein powder, peanut protein isolate, the low peptide of trophism peanut and ground nut fiber etc.Because China's peanut oil mainly adopts hot moulding technique, peanut protein, because there occurs amino acid whose decomposition and excessive sex change by high temperature, greatly reduces the nutritive value of protein in peanut meal, is directly used in food production and has little significance.Peanut protein intensive processing technical merit is low, and protein utilization rate is low, and the jejune present situation of preparation technology also makes peanut meal heavy in the application difficult of food-processing industry.Current peanut meal is mainly used in the feedstuff industry of domestic animal, poultry, aquaculture, but owing to being subject to culture-cycle change, the stagnant impact of aquaculture, not high, the oily factory stock of price of peanut meal is very large, and part is used for fertilizer and fuel, and economic benefit is very low.
Ground nut fiber is a new way of peanut meal higher value application.Ground nut fiber a kind ofly can substitute chemical synthetic fiber, high-quality high-tech, green reproducible novel textile material.In granted patent " a kind of method ZL201210070496.04 adopting ionic liquid to prepare peanut protein composite fiber ", disclose a kind of glyoxaline ion liquid that adopts is the method that peanut protein/polyvinyl alcohol composite fiber prepared by solvent.The present invention with the addition of a certain amount of collagen in raw material, utilizes the natural long chain structure of collagen that the mechanical performances such as the tensile property of composite fibre are obviously strengthened, and skin-friendly is better, and moisture absorption water vapour permeability is strengthened, good spinnability; Adopt different ionic liquid kinds and proportioning simultaneously, adopt ionic liquid synthetic intermediate to be solvent, reduce production cost, significantly improve the protein content in composite fibre, the avirulence of preparation process, pollution-free.
Summary of the invention
The invention discloses a kind of preparation method of peanut protein collagen blending composite fibre.Method of the present invention is utilized to prepare composite fibre, significantly can strengthen the mechanicalnesses such as composite fibre stretching performance, fracture strength, significantly improve the protein content in composite fibre, reduce production cost, reduce and pollute and energy consumption, be adapted to large-scale industrial production.
The present invention for solving the problems of the technologies described above adopted technical scheme is:
From peanut processing residue peanut dregs, extract peanut protein be dissolved in the peanut protein solution preparing 20-50% in certain density glyoxaline ion liquid solution, collagen is dissolved in the collagen solution preparing 20-60% in certain density glyoxaline ion liquid solution, polyvinyl alcohol is dissolved in certain density glyoxaline ion liquid solution or mixed liquor that to obtain concentration be 10-22% polyvinyl alcohol ionic liquid solution, glyoxaline ion liquid is 3-methyl isophthalic acid-ethyl imidazol(e) bromine salt ([EMIM] Br), 1-butyl-3-methylimidazole villaumite ([BMIM] Cl), 1-ethyl-3-methylimidazole acetate [EMIM] AC, 1-butyl-3-N-Methylimidazoleacetic salt [BMIM] AC and 1-methyl-3-methylimidazole dimethyl phosphate salt [MMIM] [DMP] wherein one or both, add according to the ratio of 1:1-3.The ratio that above-mentioned solution is accounted for spinning solution according to peanut protein ionic liquid solution is 10-40%, the ratio that collagen ionic liquid solution accounts for spinning solution is 5-50%, the ratio accounting for spinning solution with polyvinyl alcohol ionic liquid solution is the ratio mixing of 10-20%, mixing temperature is 60-75 DEG C, add glycerine (0.01-0.03% of solid content), sodium tetraborate (0.02-0.03% of solid content) and hydrogen peroxide (0.03-0.05% of solid content), one or more auxiliary agents in Peracetic acid (0.01-0.05% of solid content), after filtration, after deaeration, peanut protein collagen blending composite fibre is prepared by wet spinning process.Acetal process under drawn, washing, sour condition, modified siloxane finish oil, dry, shaping obtains blended fiber.
The invention provides a kind of peanut protein collagen blending composite fibre preparation method, the present invention with the addition of a certain amount of collagen in raw material, utilize the natural long chain structure of collagen that the mechanical performances such as the tensile property of composite fibre are obviously strengthened, skin-friendly is better, moisture absorption water vapour permeability is strengthened, good spinnability; Adopt different ionic liquid kinds and proportioning simultaneously, adopt ionic liquid synthetic intermediate to be solvent, reduce production cost, significantly improve the protein content in composite fibre, the avirulence of preparation process, pollution-free.Composite fibre protein content of the present invention is high, has good sucting wet air permeability, soft, good spinnability, sliding submissive, the comfort health-care of the clothing silk of making, magnificent attractive in appearance.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described, to help understanding content of the present invention.
embodiment 1
The peanut protein extracted in peanut meal is dissolved in 35% glyoxaline ion liquid 3-methyl isophthalic acid-ethyl imidazol(e) bromine salt ([EMIM] Br), obtained concentration is the peanut protein ionic liquid solution of 45%, the collagen extracted in livestock and poultry ball bone is dissolved in 15% glyoxaline ion liquid 3-methyl isophthalic acid-ethyl imidazol(e) bromine salt ([EMIM] Br), obtained concentration is the collagen ionic liquid solution of 45%, be in the glyoxaline ion liquid 3-methyl isophthalic acid-ethyl imidazol(e) bromine salt ([EMIM] Br) of 5% in concentration by polyvinyl alcohol dissolution, obtained concentration is the polyvinyl alcohol ionic liquid solution of 15%, above-mentioned three kinds of solution are mixed according to the ratio of 1:1:4.5, 62 DEG C of mixing 2-3 hour, add glycerine and 0.02% hydrogen peroxide of 0.02% of solid content, obtained spinning solution, through vertical spinning machine spray silk after spinning solution deaeration, enter coagulating bath shaping.Stretch and three bath washing stretchings through two baths, form collagen blending composite fibre, tensile fiber multiple at 5-10 doubly.Composite fibre acetal process under acid condition (pH value is 2, and temperature is 55 DEG C, and the time is 20min) then oils through washing, modified siloxane finish, dries, curling, sizing obtains composite fibre.
embodiment 2
The peanut protein extracted in peanut meal is dissolved in 30% ionic liquid 1-butyl-3-methyl imidazolium villaumite ([BMIM] Cl), obtained concentration is the peanut protein ionic liquid solution of 25%, the collagen extracted in aquatic livestock is dissolved in 25% glyoxaline ion liquid 1-butyl-3-methylimidazole villaumite ([BMIM] Cl), obtained concentration is the collagen ionic liquid solution of 40%, be in glyoxaline ion liquid 1-butyl-3-methylimidazole villaumite ([BMIM] Cl) of 10% in concentration by polyvinyl alcohol dissolution, obtained concentration is the polyvinyl alcohol ionic liquid solution of 18%, the ratio of above-mentioned solution according to 1:1:4 is mixed, 63 DEG C mix 3 hours, add the glycerine and 0.04% and Peracetic acid of 0.02% of solid content, obtained spinning solution, through vertical spinning machine spray silk after spinning solution deaeration, enter coagulating bath shaping.Stretched and washing, form collagen blending composite fibre, tensile fiber multiple at 5-10 doubly.Composite fibre acetal process under acid condition (pH value is 2, and temperature is 65 DEG C, and the time is 20min) then oils through washing, modified siloxane finish, dries, curling, sizing obtains composite fibre.
embodiment 3
The peanut protein extracted in peanut meal is dissolved in the glyoxaline ion liquid 3-methyl isophthalic acid-ethyl imidazol(e) bromine salt ([EMIM] Br) of 32%, in the mixed solution of 1-butyl-3-methylimidazole villaumite ([BMIM] Cl) (ratio is 1:2), obtained concentration is the peanut protein ionic liquid solution of 28%, the collagen extracted in aquatic livestock is dissolved in 25% glyoxaline ion liquid 3-methyl isophthalic acid-ethyl imidazol(e) bromine salt ([EMIM] Br), in the mixed solution of 1-butyl-3-methylimidazole villaumite ([BMIM] Cl) (ratio is 1:2), obtained concentration is the collagen ionic liquid solution of 55%, be the glyoxaline ion liquid 3-methyl isophthalic acid-ethyl imidazol(e) bromine salt ([EMIM] Br) of 12% in concentration by polyvinyl alcohol dissolution, in the mixed solution of 1-butyl-3-methylimidazole villaumite ([BMIM] Cl) (ratio is 1:2), obtained concentration is the polyvinyl alcohol ionic liquid solution of 16%, the ratio of above-mentioned solution according to 1:1:3.5 is mixed, 73 DEG C mix 2 hours, add the sodium tetraborate and 0.04% and hydrogen peroxide of 0.02% of solid content, obtained spinning solution, through vertical spinning machine spray silk after spinning solution deaeration, enter coagulating bath shaping.Stretched and washing, form collagen blending composite fibre, tensile fiber multiple at 5-12 doubly.Composite fibre acetal process under acid condition (pH value is 1.5, and temperature is 65 DEG C, and the time is 20min) then oils through washing, modified siloxane finish, dries, curling, sizing obtains composite fibre.
embodiment 4
The peanut protein extracted in peanut meal is dissolved in 30% 3-methyl isophthalic acid-ethyl imidazol(e) bromine salt ([EMIM] Br) and 1-methyl-3-methylimidazole dimethyl phosphate salt [MMIM] [DMP] mixed solution in (ratio is 1:1), obtained concentration is the peanut protein ionic liquid solution of 22%, collagen is dissolved in the mixed solution of 20% glyoxaline ion liquid 3-methyl isophthalic acid-ethyl imidazol(e) bromine salt ([EMIM] Br) and 1-methyl-3-methylimidazole dimethyl phosphate salt [MMIM] [DMP] (ratio is 1:1), obtained concentration is the collagen ionic liquid solution of 60%, by polyvinyl alcohol dissolution concentration be 15% 3-methyl isophthalic acid-ethyl imidazol(e) bromine salt ([EMIM] Br) and 1-methyl-3-methylimidazole dimethyl phosphate salt [MMIM] [DMP] mixed solution in (ratio is 1:1), obtained concentration is the polyvinyl alcohol ionic liquid solution of 18%, the ratio of above-mentioned solution according to 1:1:3 is mixed, 65 DEG C mix 3 hours, add glycerine, sodium tetraborate and hydrogen peroxide, obtained spinning solution, through vertical spinning machine spray silk after spinning solution deaeration, enter coagulating bath shaping.Stretched and washing, form collagen blending composite fibre, tensile fiber multiple at 5-12 doubly.Composite fibre acetal process under acid condition (pH value is 1.5, and temperature is 65 DEG C, and the time is 25min) then oils through washing, modified siloxane finish, dries, curling, sizing obtains composite fibre.
embodiment 5
The peanut protein extracted in peanut meal is dissolved in the mixed solution of glyoxaline ion liquid 1-butyl-3-N-Methylimidazoleacetic salt [BMIM] AC and 1-butyl-3-methylimidazole villaumite ([BMIM] Cl) of 35% (ratio is 1:3), obtained concentration is the peanut protein ionic liquid solution of 35%, collagen is dissolved in the mixed solution of 24% glyoxaline ion liquid 1-butyl-3-N-Methylimidazoleacetic salt [BMIM] AC and 1-butyl-3-methylimidazole villaumite ([BMIM] Cl) (ratio is 1:3), obtained concentration is the collagen ionic liquid solution of 50%, be in the mixed solution of glyoxaline ion liquid 1-butyl-3-N-Methylimidazoleacetic salt [BMIM] AC and 1-butyl-3-methylimidazole villaumite ([BMIM] Cl) of 30% (ratio is 1:3) in concentration by polyvinyl alcohol dissolution, obtained concentration is the polyvinyl alcohol ionic liquid solution of 16.5%, above-mentioned two kinds of solution are mixed according to the ratio of 1:1:3.5,70 DEG C mix 2 hours, add a certain amount of sodium tetraborate and Peracetic acid, obtained spinning solution, through vertical spinning machine spray silk after spinning solution deaeration, enter coagulating bath shaping.Stretched and washing, form collagen blending composite fibre, tensile fiber multiple at 7-12 doubly.Composite fibre acetal process under acid condition (pH value is 1.0, and temperature is 60 DEG C, and the time is 25min) then oils through washing, modified siloxane finish, dries, curling, sizing obtains composite fibre.
Claims (9)
1. the preparation method of a peanut protein collagen blending composite fibre, it is characterized in that being prepared from by following steps, peanut protein, collagen and polyvinyl alcohol are dissolved in glyoxaline ion liquid solution or mixed liquor respectively and prepare spinning solution, then form through wet spinning.
2. as claimed in claim 1, adopt ionic liquid to prepare spinning solution to it is characterized in that being prepared from by following steps, from peanut processing residue peanut dregs, extract peanut protein be dissolved in the peanut protein solution preparing 20-50% in certain density glyoxaline ion liquid solution, collagen is dissolved in the collagen solution preparing 20-60% in certain density glyoxaline ion liquid solution, polyvinyl alcohol is dissolved in certain density glyoxaline ion liquid solution or mixed liquor that to obtain concentration be 10-22% polyvinyl alcohol ionic liquid solution, above-mentioned solution is mixed according to certain ratio, add auxiliary agent, after filtration, after deaeration, peanut protein collagen blending composite fibre is prepared by wet spinning process, drawn, washing, acetal process, oil, dry, sizing obtains blended fiber.
3. as claimed in claim 1, glyoxaline ion liquid is 3-methyl isophthalic acid-ethyl imidazol(e) bromine salt ([EMIM] Br), 1-butyl-3-methylimidazole villaumite ([BMIM] Cl), 1-ethyl-3-methylimidazole acetate [EMIM] AC, 1-butyl-3-N-Methylimidazoleacetic salt [BMIM] AC and 1-methyl-3-methylimidazole dimethyl phosphate salt [MMIM] [DMP] wherein one or both, adds according to the ratio of 1:1-3.
4. as claimed in claim 1, peanut protein refers to and be separated the full-defatted peanut protein obtained, protein content >=60%, fat content≤2% from peanut kernels, hot moulding or cold press peanut meal.
5. as claimed in claim 1, collagen is from the tissue extraction such as meat, skin, cartilage of livestock and poultry ball bone, cartilage, processing fent and ocean, fresh water animals, protein content >=50%, fat content≤1%.
6. as claimed in claim 1, the ratio that the ratio that peanut protein ionic liquid solution accounts for spinning solution is 10-40%, collagen ionic liquid solution accounts for spinning solution is the ratio that 5-50% and polyvinyl alcohol ionic liquid solution account for spinning solution is 10-20%, and mixing temperature is 60-75 DEG C.
7. the auxiliary agent as claimed in claim 2, used is glycerine (0.01-0.03% of solid content), sodium tetraborate (0.02-0.03% of solid content) and hydrogen peroxide (0.03-0.05% of solid content), one or more in Peracetic acid (0.01-0.05% of solid content).
8. as claimed in claim 2, adopt acetal under sour condition, pH value is 1-2, temperature is 50-70 DEG C, and the time is 20-30min, and acetalizing degree is 50-80%.
9. as claimed in claim 2, the finish used that oils is modified siloxane finish, and concentration is 5-10%.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200557A (en) * | 2015-10-20 | 2015-12-30 | 江苏科技大学 | Preparation method of cellulose and chitosan hybrid fiber |
| CN109680350B (en) * | 2018-12-29 | 2021-05-04 | 无锡贝迪生物工程股份有限公司 | Preparation method of collagen fiber |
| CN115287805A (en) * | 2022-08-30 | 2022-11-04 | 昆山华阳新材料股份有限公司 | Preparation method and application of skin-friendly fabric |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1660901A (en) * | 2004-12-24 | 2005-08-31 | 中国科学院长春应用化学研究所 | Method for preparing solution of keratin |
| CN1884641A (en) * | 2005-06-21 | 2006-12-27 | 中国科学院过程工程研究所 | Method for preparing regenerated protein fiber using ion liquid dissolving animal hair |
| CN101838397A (en) * | 2010-04-27 | 2010-09-22 | 郑州大学 | Collagenolysis and regeneration method |
| CN102174720A (en) * | 2011-03-25 | 2011-09-07 | 上海全宇生物科技遂平有限公司 | Compound protein fiber and preparation method thereof |
| CN102586942A (en) * | 2012-03-18 | 2012-07-18 | 山东省花生研究所 | Method for preparing peanut protein composite fiber by using ionic liquid |
| CN103710775A (en) * | 2013-12-18 | 2014-04-09 | 中国科学院过程工程研究所 | Preparation method of ionic liquid keratin spinning solutions |
-
2014
- 2014-09-02 CN CN201410440957.8A patent/CN104264274A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1660901A (en) * | 2004-12-24 | 2005-08-31 | 中国科学院长春应用化学研究所 | Method for preparing solution of keratin |
| CN1884641A (en) * | 2005-06-21 | 2006-12-27 | 中国科学院过程工程研究所 | Method for preparing regenerated protein fiber using ion liquid dissolving animal hair |
| CN101838397A (en) * | 2010-04-27 | 2010-09-22 | 郑州大学 | Collagenolysis and regeneration method |
| CN102174720A (en) * | 2011-03-25 | 2011-09-07 | 上海全宇生物科技遂平有限公司 | Compound protein fiber and preparation method thereof |
| CN102586942A (en) * | 2012-03-18 | 2012-07-18 | 山东省花生研究所 | Method for preparing peanut protein composite fiber by using ionic liquid |
| CN103710775A (en) * | 2013-12-18 | 2014-04-09 | 中国科学院过程工程研究所 | Preparation method of ionic liquid keratin spinning solutions |
Non-Patent Citations (1)
| Title |
|---|
| 高波: "胶原蛋白/聚乙烯醇复合纤维的制备及结构性能研究", 《中国优秀博硕士学位论文全文数据库（硕士） 工程科技Ⅰ辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200557A (en) * | 2015-10-20 | 2015-12-30 | 江苏科技大学 | Preparation method of cellulose and chitosan hybrid fiber |
| CN105200557B (en) * | 2015-10-20 | 2017-04-05 | 江苏科技大学 | A kind of preparation method of cellulose and the miscellaneous fiber of shitosan |
| CN109680350B (en) * | 2018-12-29 | 2021-05-04 | 无锡贝迪生物工程股份有限公司 | Preparation method of collagen fiber |
| CN115287805A (en) * | 2022-08-30 | 2022-11-04 | 昆山华阳新材料股份有限公司 | Preparation method and application of skin-friendly fabric |
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