CN1584152A - Preparing method for peanut protein modified povel fibre - Google Patents
Preparing method for peanut protein modified povel fibre Download PDFInfo
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- CN1584152A CN1584152A CN 200410042730 CN200410042730A CN1584152A CN 1584152 A CN1584152 A CN 1584152A CN 200410042730 CN200410042730 CN 200410042730 CN 200410042730 A CN200410042730 A CN 200410042730A CN 1584152 A CN1584152 A CN 1584152A
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- peanut protein
- polyvinyl alcohol
- peanut
- arachin
- modified polyvinyl
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Abstract
This invention involves a method of make peanut albumen-modified poly-vinyl-alcohol fibre. Separate peanut protein from peanut, and add NaOH liquid according to the proportion. Keep warm and mix round. Let peanut protein dissolve complete. We can receive some a certain extent chroma of peanut albumen liquid. Add decomposer mercapto alcohol. Add solicitationer into the liquid at a temperature. And add poly-vinyl-alcohol according to the weight proportion. Mix round, graft, and converge to make filature liquid when keeping warm. And then use the wet method to make modified peanut albumen poly-vinyl-alcohol fibre. The fibre has a polish like silk, breathe freely like cotton fibre, can keep warm, like wool. The chromaticity of the invention is good, and it also can absorb wet very well. It is very simple to make it, and the material is abundance. The cost of it is very low. It doesn't have the three-depose pollution. It is a regenerated green spin material of environment protection.
Description
Technical field
The present invention relates to the peanut protein modified polyvinyl alcohol fabric, be specifically related to the production technology of peanut protein modified polyvinyl alcohol fabric, belong to International Classification of Patents D01F9/00 " artificial filament of other raw material or analog, its manufacture method " technical field.
Background technology
The quality of peanut protein is only second to soybean, has every year many peanuts to be used for extracting oil, thereby has produced a considerable amount of peanut meals (cake).These peanut meals (cake) overwhelming majority has all been used as feed, has 50% peanut protein not separate in the peanut meal cake approximately, does further development and use, and is very unfortunate.In addition, natural fabric (cotton, numb, thread, mao) can not unrestrictedly enlarge cultivated area and raising quantity owing to be subjected to the restriction of land resource.Though and chemical fibre output is big, easy to use, it is comfortable that dress can not show a candle to natural fabric.And the chemical fibres industry raw material is subjected to the restriction of petrochemical industry resource.For this reason, the mankind have to study the new fibrous material of searching.It is reported that useful milk protein is made fiber, useful pupa albumen is made fiber, useful soybean protein producd fibers.And the suitability for industrialized production of ground nut fiber becomes blank.
Summary of the invention
Purpose of the present invention is to overcome deficiency of the prior art, and a kind of method of making fiber with the peanut protein spinning---the manufacture method of peanut protein modified polyvinyl alcohol fabric is provided.
Technical scheme of the present invention is as follows.
A kind of manufacture method of peanut protein modified polyvinyl alcohol fabric, system adopts alkali extraction and acid precipitation, from low temperature peanut meal cake, extract and isolate arachin, in the arachin aqueous slkali of uniform temperature, add chemical assistant by a certain percentage again, make the arachin modification; With the polyvinyl alcohol that dissolved and the arachin grafting of modification, the blend spinning liquid that contains peanut protein and polyvinyl alcohol is made in blend/copolymerization, adopts profiled-cross-section spray silk again, and wet spinning technology is made the peanut protein modified polyvinyl alcohol fabric.
Concrete grammar is as follows:
Press peanut protein dry weight mass ratio and add PH=8.5-9.5, temperature is 40-50 ℃, and 6.7 times to the NAOH of the peanut protein aqueous solution, stirs 1 hour, obtains peanut protein solution.
In the peanut protein solution of uniform temperature, add the modified chemical auxiliary agent, with the polyvinyl alcohol that dissolved and peanut protein grafting, the blend/copolymerization of modification, make the peanut protein that contains 24-40% and contain the blend spinning liquid of 60-76% polyvinyl alcohol, adopt profiled-cross-section spray silk again, wet spinning technology is made the peanut protein modified polyvinyl alcohol fabric.
The chemical assistant addition of using during described peanut protein modification should be the 0.1-1% initator of peanut protein dry weight, and initator adopts hydrogen peroxide or peroxyformic acid, and the reaction time is 15-20 minute, and reaction temperature is 80 ℃.
Adding redox initiator when grafting, blend/copolymerization is ammonium persulfate and sodium hydrogensulfite, and use amount is the 0.1-0.3% of mixed solution, and temperature is 80-90 ℃, and mixing time is 1.5 hours.
Because the molecular weight of arachin is excessive, is unfavorable for modify and graft, must add cysteine or mercaptoethanol in arachin solution, addition is every kilogram of arachin 10-12mg of dry weight, PH=12.5-13.5, temperature is 104-106 ℃, the reaction time is 1 hour.At this moment, the molecular weight of arachin is degraded to about 20000 by 300000 original dalton, and disulfide bond launches, and protein structure expands into line style straight chain shape by the spherical spiral formula.
It is salt and aqueous acid that peanut protein solidifies solution, and its salt content is 420-430g/l, and acid content is 0.26-0.5g/l, and solution temperature is 38-43 ℃.Tow is 4-9 times at wet total draft multiple of bathing in drawing-off and the dry heat drafting.In the later stage acetalation engineering preface, groundnut protein fibre acetalation liquid temp is 65-70 ℃, and acetalation solution is the solution that contains aldehyde, acid and inorganic sodium sulphate, and aldehydes content is 32-80g/l, acid content is 240-300g/l, and the anhydrous slufuric acid sodium content is 120-200g/l.Through wet drawing-off, oven dry, dry heat drafting and the HEAT SETTING supervisor of bathing.
Can extract in the waste liquid of separation arachin matter and isolate peanut albumin and peanut companion globulin, can be as senior nutrition, waste water can recycle through handling.
Use the peanut protein spinned fiber, not only abundant raw material can be regenerated, and has opened up new direction for the peanut deep processing again.Meet environmental protection, health, green, STRATEGIES OF SUSTAINABLE DEVELOPMENT.Therefore, not only have suitable economic benefit, and also have the certain social benefit.This peanut protein modified polyvinyl alcohol fabric has the soft and gloss as the silk, has the ventilative comfortable of cotton fiber, and is fleecy warming, well-pressed.And have that dyeability is good, advantage such as moisture absorption is suitable.Handling ease, abundant raw material, cost is low, and three-waste free pollution belongs to the reproducible green textile material of environment-friendly type.
The specific embodiment
1, separate arachin:
After low temperature peanut meal cake is pulverized, with 48-53 ℃, the NAOH aqueous solution of PH=10.5-11.5, by 1: the 9-10 mixed, stir, lixiviate 30-40 minute, centrifugation went out arachin solution then.
Stir on the limit, and the limit slowly adds watery hydrochloric acid to arachin solution, regulates PH=4.5-4.6, and most of arachin precipitation is separated out, and it is the above separation arachin of 85-90% that centrifugation, washing obtain purity.In addition, can from the waste liquid that separates arachin, extract peanut albumin and peanut companion globulin, as senior nutrition.Waste water is treated to can be recycled.
2, the preparation of spinning solution:
(1) separates arachin and add that to purify soft water to concentration be 6-7%, every kilogram of protein adds mercaptoethanol or cysteine 10-12mg, stir, transfer PH=12.5-13.5 with NAOH solution, after the stirring, be warming up to 104-106 ℃, the reaction time is 1-1.5 hour, is filled into another reaction vessel, the molecule disulfide bond of peanut protein launches, and structure expands into linear straight chain shape by the spherical spiral formula.The molecular weight of arachin is reduced to about 20000.
(2) arachin liquid cools to 80 ℃, adds initator---hydrogen peroxide or the peroxyformic acid of the 0.1-1% of arachin dry weight, stirring reaction 15-20 minute.
(3) polyvinyl alcohol (PVA) of 2.5 times of arachin dry weights is soaked, the ratio of PVA and water is 1: 10, and 30 ℃ of water temperatures were soaked 40-50 minute, reaches about 190% to the PVA swelling capacity, and centrifugation is washed 1-2 time.
The PVA that washed in the step (1) is added in the arachin solution that makes in the step (2), according to requirement to fibre property, the content of adjusting PVA is 60%, the content of peanut protein is 40%, the hydrogen persulfate sodium that adds mixed solution amount 0.3%, be warmed up to 98 ℃, stirring and dissolving 1-1.5 hour, containing PVA and arachin total concentration in the gained spinning solution was 15-15.5%.
(5) whether add PVA and measure 0.3% TITANIUM DIOXIDE DELUSTRANT, should decide according to requirement to fiber.
(6) spinning solution is filtered twice or three times, vacuum defoamation was incubated 96-98 ℃ more than 10 hours, and viscosity is 40-160mm/s.
3, wet spinning:
Spinning solution after the deaeration, insulation is at 96-98 ℃, and through pressure regulation, compression pump is sent into the spinning machine spinning.20m/min is advisable with spray silk speed, preferably is controlled at 10-18m/min.Solidifying solution is salt and aqueous acid, and its salt content is 420-438g/l, and acetic acid content is 0.26-0.5g/l, and bath temperature 38-43 ℃, tow is 5-8 times at wet general times of bathing in drawing-off and the dry heat drafting.In the acetalation operation in later stage, the temperature of acetalation solution is 65-70 ℃, and acetalation solution is for containing glutaraldehyde (GA) 32-80g/l, acetate 240-300g/l, anhydrous sodium sulfate 120-200g/l.Through wet tow drawing-off, oven dry, dry heat drafting and HEAT SETTING, the cut-out supervisor of bathing, make ground nut fiber.This ground nut fiber is like Si Feisi, and like cotton non-cotton, like the non-wool of wool, outward appearance is the ecru of light, can bleach.The oil expression temperature is low more, and the arachin sex change is few more, and fiber color is shallow more.
Claims (8)
1, a kind of manufacture method of peanut protein modified polyvinyl alcohol fabric, it is characterized in that: be the employing alkali extraction and acid precipitation, from low temperature peanut meal cake, extract and isolate arachin, specifically be to add PH=8.5-9.5 by peanut protein dry weight mass ratio, temperature is 40-50 ℃, 6.7 doubly to the NAOH of the peanut protein aqueous solution, stirred 1 hour, obtain peanut protein solution; In the arachin aqueous slkali of uniform temperature, add chemical assistant by a certain percentage again, make the arachin modification; With the polyvinyl alcohol that dissolved and the arachin grafting of modification, the blend spinning liquid that contains peanut protein and polyvinyl alcohol is made in blend/copolymerization, adopts profiled-cross-section spray silk again, and wet spinning technology is made the peanut protein modified polyvinyl alcohol fabric.
2, the manufacture method of peanut protein modified polyvinyl alcohol fabric according to claim 1, it is characterized in that: the employed chemical assistant addition of described arachin modification should be the 0.1-1% initator of peanut protein dry weight, described initator adopts hydrogen peroxide or peroxyformic acid, reaction time is 15-20 minute, and reaction temperature is 80 ℃.
3, the manufacture method of peanut protein modified polyvinyl alcohol fabric according to claim 1 is characterized in that: after the arachin modification with polyvinyl alcohol graft copolymerized, blend/copolymerization; Make the peanut protein that contains 24-40% and contain the blend spinning liquid of 60-76% polyvinyl alcohol, adopt profiled-cross-section spray silk again, wet spinning technology is made the peanut protein modified polyvinyl alcohol fabric.
4, the manufacture method of peanut protein modified polyvinyl alcohol fabric according to claim 1, it is characterized in that: in grafting, need add redox initiator during blend/copolymerization, adopt ammonium persulfate and sodium hydrogensulfite, use amount is the 0.1-0.3% of mixed solution, temperature is 80-90 ℃, and mixing time is 1.5 hours.
5, the manufacture method of peanut protein modified polyvinyl alcohol fabric according to claim 1, it is characterized in that: need in arachin solution, to add cysteine or mercaptoethanol, addition is every kilogram of arachin 10-12mg of dry weight, PH=12.5-13.5, temperature is 104-106 ℃, and the reaction time is 1 hour.
6, the manufacture method of peanut protein modified polyvinyl alcohol fabric according to claim 1, it is characterized in that: the coagulation bath of arachin modified polyvinyl alcohol fabric is salt and aqueous acid, its salt content is 420-430g/l, acid content is 0.26-0.5g/l, and solution temperature is 38-43 ℃.
7, the manufacture method of peanut protein modified polyvinyl alcohol fabric according to claim 1, it is characterized in that: in later stage acetalation engineering preface, ground nut fiber acetalation liquid is the solution that contains aldehyde, acid and mineral sulfates, wherein aldehydes content is 32-80g/l, acid content is 240-300g/l, and the anhydrous slufuric acid salt content is 120-200g/l.
8, the manufacture method of peanut protein modified polyvinyl alcohol fabric according to claim 1, it is characterized in that: in the waste liquid that separates arachin matter, can extract and isolate the peanut albumin, accompany globulin as senior nutrition with peanut, waste water can recycle through handling.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410042730 CN1584152A (en) | 2004-05-25 | 2004-05-25 | Preparing method for peanut protein modified povel fibre |
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| CN 200410042730 CN1584152A (en) | 2004-05-25 | 2004-05-25 | Preparing method for peanut protein modified povel fibre |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649504B (en) * | 2009-09-10 | 2011-09-14 | 山东省花生研究所 | Preparation method of blend fiber of peanut protein and chitosin |
| 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 |
| CN105544214A (en) * | 2016-01-21 | 2016-05-04 | 苏州印丝特纺织数码科技有限公司 | Protein-modified biodegradable PVA slurry and preparation method thereof |
| CN111778635A (en) * | 2020-07-14 | 2020-10-16 | 河南工业大学 | Preparation method of peanut protein-polyurethane nanofiber membrane |
-
2004
- 2004-05-25 CN CN 200410042730 patent/CN1584152A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649504B (en) * | 2009-09-10 | 2011-09-14 | 山东省花生研究所 | Preparation method of blend fiber of peanut protein and chitosin |
| 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 |
| CN105544214A (en) * | 2016-01-21 | 2016-05-04 | 苏州印丝特纺织数码科技有限公司 | Protein-modified biodegradable PVA slurry and preparation method thereof |
| CN111778635A (en) * | 2020-07-14 | 2020-10-16 | 河南工业大学 | Preparation method of peanut protein-polyurethane nanofiber membrane |
| CN111778635B (en) * | 2020-07-14 | 2021-11-02 | 河南工业大学 | Preparation method of peanut protein-polyurethane nanofiber membrane |
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