CN102877159B - Feather keratin viscose staple fiber and method for producing same - Google Patents
Feather keratin viscose staple fiber and method for producing same Download PDFInfo
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Abstract
The invention relates to a feather keratin viscose staple fiber and a method for producing the same and belongs to the field of materials in textile industry. The feather keratin viscose staple fiber is produced by mixing 1-40 weight percent of feather keratin fluid and 60-99 weight percent of a cellulose sulfonate solution and performing static co-mixing, spinning, solidification, curing and post-treatment; and the loss rate of proteins in the process of producing the feather keratin viscose staple fiber is 30 percent, and the finished product is washed for 50 times, the drop ratio of the fiber proteins is not more than 5 percent. By the method provided by the invention, the feather keratin viscose staple fiber can be made of waste feathers, and the feather keratin viscose staple fiber produced by the method is high in fiber performance, low in cost, wide in material source and environment-friendly.
Description
Technical field
The present invention relates to a kind of compound viscose staple fibre and manufacture method thereof, especially a kind of feather keratin viscose staple fiber and manufacture method thereof, belong to the Material Field of textile industry.
Background technology
Silk fabrics is merrily and lightheartedly soft, and gloss is graceful, and good hygroscopicity is comfortable and easy to wear, the dark welcome by domestic place consumer, but owing to producing the raw material of silk fabrics---and silk shortage, can not meet the needs of people's life, people then seek a kind of raw material of alternative silk.Once developed regenerated protein abroad, with milk casein, soybean protein, peanut protein and zein raw material, all because humidity is too low, and eliminated by other fiber, then develop again the fiber of vinylon and so on, this kind of fibre strength is high, but wearing comfort is poor.The co-blended spinnings such as people attempt again with milk casein and high polymer, as fine in propylene, polyvinyl alcohol, make composite fibre, this fibre property is better, similar real silk, but milk casein is expensive, and production cost is high.Therefore be badly in need of developing and novel there is good, the cheap azlon of fibre property.
Feather is birds and the cornified derivative of bird epidermal cell, accounts for about 10% of its body weight.According to surveying and determination, the crude protein mass fraction of feather keratin is more than 80%, and amino acid masses mark is more than 70%.One of country that China is herding in the world, poultry farming is maximum, keratin resource is extremely abundant, especially in modern agriculture, large-scale poultry farming creates a large amount of keratin wastes, wherein feather waste output is more than 1000kt, and except small part is as except warming packing material, the overwhelming majority goes out of use and is not fully used, this not only pollutes surrounding environment, but also wastes a large amount of animal protein resources.
In recent years, research finds the molecular structure due to feather keratin uniqueness, makes feather keratin material have excellent biological characteristics and good material mechanical performance.Under certain condition by certain density protein hydrolysate stoste and cellulose (viscose glue) stoste, spinning is carried out by the mixing of certain proportioning, and be processed into desirable regenerated protein through post processing, in peptide bond (-CO-NH-) among such protein fibre and cellulose-OH forms hydrogen bond, produce stronger molecular binding affinities, thus form the composite fibre of novel protein.
The patent No. is CN00109055.0(patent name is " production method of regenerated protein stoste, regenerated protein and products thereof ") patent of invention, disclose a kind of preparation method regenerating feather protein stoste, and by the mixing weighing spinning by regeneration feather protein stoste and cellulose dopes, obtained regeneration feather protein fiber.Disclosed in this patent, production method still comes with some shortcomings, and do not consider the set problem of protein, protein easily comes off from cellulose surface, causes the protein lost in production process higher.
Summary of the invention
In order to overcome the shortage of existing silk fabrics silk, the expensive problem of alternative materials, the invention provides a kind of utilization can not spin the regeneration of protein feather generate albumen stoste and cellulose xanthate solution through static mixing with spin before inject and carry out feather keratin viscose staple fiber that spinning makes and manufacture method thereof.
Not only fibre property is good, cheap for feather keratin viscose staple fiber provided by the invention, raw material sources extensive, also can utilize waste plant protein material, be conducive to environmental protection; The viscose staple fibre mesoptile albumen obtained by feather keratin viscose staple fiber manufacture method provided by the invention is good at the anchor effect of cellulose surface, and is beneficial to spinning moulding.
For achieving the above object, the present invention adopts following technical scheme:
A kind of feather keratin viscose staple fiber, it is characterized in that: by feather protein liquid and the cellulose sulfonate solution weight ratio by 1-40%:60-99%, through static state blended-spinning-solidify-solidify-post processing obtains, the loss late <30% of this feather keratin viscose staple fiber protein in process of production, finished product is after 50 washings, and its celloglobulin expulsion rate is no more than 5%.
The manufacture method of described feather keratin viscose staple fiber is undertaken by following processing step:
The preparation of A feather protein liquid
Feather protein and NaOH is taken by the solid weight ratio of 1-10:1, first feather protein is dissolved in that temperature is 40-90 DEG C, concentration is 0.1-20%(w/w) sodium hydrate aqueous solution in, constant temperature through 30min-8hr stirs, after obtaining feather protein solution, filter and obtain feather protein liquid modified uniformly;
B feather protein liquid and cellulose sulfonate solution blending
After feather protein liquid and cellulose sulfonate solution respectively deaeration, then carry out static mixing by the weight ratio that feather protein liquid and cellulose sulfonate solution are 1-40%:60-99% and obtain viscose glue after carrying out deaeration;
C spinning
Viscose glue adopts two-bath process wet method to carry out spinning, and namely viscose glue is quantitatively sent into by measuring pump and entered spinning machine for sebific duct road, by candle filter elimination particle impurities again, and sends into spinneret assembly by curved tube, and viscose glue, under stress by spinneret orifice, forms viscose glue thread;
D solidifies and solidification
Viscose glue thread out after, enter coagulating bath, after coagulation forming, become nascent strand; Nascent strand is sent to boundling in fixation bath by draw-off godet and is stretched, and while nascent strand stands to stretch, finally complete disintegrating and regeneration process, namely feather protein anchors at cellulose surface, forms the fibre bundle with stable skin-core structure;
Consisting of of described coagulating bath: sodium sulphate 150-400g/L, sulfuric acid 30-250g/L, zinc sulfate 5-100 g/L; Temperature 20-60 DEG C.
Consisting of of described fixation bath: sodium sulphate 10-200g/L, sulfuric acid 10-100g/L; Zinc sulfate 5-80 g/L, auxiliary agent 0.01-10g/L; Temperature 30-80 DEG C.
Described auxiliary agent is EDC crosslinking agent, and this crosslinking agent is safe, nontoxic, to feather protein and cellulosic crosslinked operation good.
The optimization of the process conditions of coagulating bath and fixation bath can ensure that protein molecule can closely link with cellulosic molecule, and effectively anchors at fiber surface.
E post processing
By fiber beam cutting, through overpickling, desulfurization, washing, pickling, wash, oil, dewater, dry after obtain feather keratin viscose staple fiber.
Advantageous Effects of the present invention shows:
1, because technique of the present invention is for the characteristic of feather keratin viscose staple fiber, optimization of process conditions has been carried out to coagulating bath and fixation bath, particularly choice for use crosslinking agent EDC in fixation bath technique, the albumen mass-energy of fiber surface is made well to be solidificated in the surface of fiber, the cross linking of protein molecule covering fiber surface is formed stable, fine and close network structure, prevent coming off of protein, cause the loss late of protein in whole technical process lower than 30%, and final finished fiber is after 50 washings, protein leakage is no more than the ratio of protein in 5%(relative fiber), thus effectively improve the anchor effect of feather protein at cellulose surface, solve the problem that comes off of protein.
2, not only fibre property is good, cheap, raw material sources extensive for the feather viscose staple fibre that obtains of the present invention, also can utilize waste plant protein material, be conducive to environmental protection.
Detailed description of the invention
Below in conjunction with detailed description of the invention, essentiality content of the present invention is described in further detail.
Embodiment 1
A kind of feather keratin viscose staple fiber, the weight ratio of 1:99% is pressed by feather protein liquid and cellulose sulfonate solution, through static state blended-spinning-solidify-solidify-post processing obtains, the loss late of this feather keratin viscose staple fiber protein is in process of production 5%, finished product is after 50 washings, and its celloglobulin expulsion rate is 2%.
The manufacture method of described feather keratin viscose staple fiber is undertaken by following processing step:
The preparation of A feather protein liquid
Feather protein and NaOH is taken by the solid weight ratio of 10:1, first feather protein is dissolved in that temperature is 40 DEG C, concentration is 0.1%(w/w) sodium hydrate aqueous solution in, constant temperature through 2hr stirs, and after obtaining feather protein solution, filters and obtains feather protein liquid modified uniformly;
B feather protein liquid and cellulose sulfonate solution blending
After feather protein liquid and cellulose sulfonate solution respectively deaeration, then carry out static mixing by the weight ratio that feather protein liquid and cellulose sulfonate solution are 1%:99% and obtain viscose glue after carrying out deaeration;
C spinning
Viscose glue adopts two-bath process wet method to carry out spinning, and namely viscose glue is quantitatively sent into by measuring pump and entered spinning machine for sebific duct road, by candle filter elimination particle impurities again, and sends into spinneret assembly by curved tube, and viscose glue, under stress by spinneret orifice, forms viscose glue thread;
D solidifies and solidification
Viscose glue thread out after, enter coagulating bath, after coagulation forming, become nascent strand; Nascent strand is sent to boundling in fixation bath by draw-off godet and is stretched, and while nascent strand stands to stretch, finally complete disintegrating and regeneration process, namely feather protein anchors at cellulose surface, forms the fibre bundle with stable skin-core structure;
Consisting of of described coagulating bath: sodium sulphate 150g/L, sulfuric acid 30g/L, zinc sulfate 5 g/L; Temperature 60 C.
Consisting of of described fixation bath: sodium sulphate 10g/L, sulfuric acid 50g/L; Zinc sulfate 80 g/L, auxiliary agent 0.01g/L; Temperature 30 DEG C.
Described auxiliary agent is crosslinking agent EDC.
E post processing
By fiber beam cutting, through overpickling, desulfurization, washing, pickling, wash, oil, dewater, dry after obtain feather keratin viscose staple fiber.
Embodiment 2
A kind of feather keratin viscose staple fiber, the weight ratio of 10%:90% is pressed by feather protein liquid and cellulose sulfonate solution, through static state blended-spinning-solidify-solidify-post processing obtains, the loss late of this feather keratin viscose staple fiber protein is in process of production 25%, finished product is after 50 washings, and its celloglobulin expulsion rate is 5%.
The manufacture method of described feather keratin viscose staple fiber is undertaken by following processing step:
The preparation of A feather protein liquid
Feather protein and NaOH is taken by the solid weight ratio of 1:1, first feather protein is dissolved in that temperature is 90 DEG C, concentration is 10%(w/w) sodium hydrate aqueous solution in, constant temperature through 3hr stirs, and after obtaining feather protein solution, filters and obtains feather protein liquid modified uniformly;
B feather protein liquid and cellulose sulfonate solution blending
After feather protein liquid and cellulose sulfonate solution respectively deaeration, then carry out static mixing by the weight ratio that feather protein liquid and cellulose sulfonate solution are 10%:90% and obtain viscose glue after carrying out deaeration;
C spinning
Viscose glue adopts two-bath process wet method to carry out spinning, and namely viscose glue is quantitatively sent into by measuring pump and entered spinning machine for sebific duct road, by candle filter elimination particle impurities again, and sends into spinneret assembly by curved tube, and viscose glue, under stress by spinneret orifice, forms viscose glue thread;
D solidifies and solidification
Viscose glue thread out after, enter coagulating bath, after coagulation forming, become nascent strand; Nascent strand is sent to boundling in fixation bath by draw-off godet and is stretched, and while nascent strand stands to stretch, finally complete disintegrating and regeneration process, namely feather protein anchors at cellulose surface, forms the fibre bundle with stable skin-core structure;
Consisting of of described coagulating bath: sodium sulphate 300g/L, sulfuric acid 250g/L, zinc sulfate 100 g/L; Temperature 20 DEG C.
Consisting of of described fixation bath: sodium sulphate 10g/L, sulfuric acid 10g/L; Zinc sulfate 5 g/L, auxiliary agent 0.01g/L; Temperature 50 C.
Described auxiliary agent is crosslinking agent EDC.
E post processing
By fiber beam cutting, through overpickling, desulfurization, washing, pickling, wash, oil, dewater, dry after obtain feather keratin viscose staple fiber.
Embodiment 3
A kind of feather keratin viscose staple fiber, the weight ratio of 40%:60% is pressed by feather protein liquid and cellulose sulfonate solution, through static state blended-spinning-solidify-post processing obtains, the loss late of this feather keratin viscose staple fiber protein is in process of production 30%, finished product is after 50 washings, and its celloglobulin expulsion rate is 1%.
The manufacture method of described feather keratin viscose staple fiber is undertaken by following processing step:
The preparation of A feather protein liquid
Feather protein and NaOH is taken by the solid weight ratio of 10:1, first feather protein is dissolved in that temperature is 60 DEG C, concentration is 20%(w/w) sodium hydrate aqueous solution in, constant temperature through 30min stirs, and after obtaining feather protein solution, filters and obtains feather protein liquid modified uniformly;
B feather protein liquid and cellulose sulfonate solution blending
After feather protein liquid and cellulose sulfonate solution respectively deaeration, then carry out static mixing by the weight ratio that feather protein liquid and cellulose sulfonate solution are 40%:60% and obtain viscose glue after carrying out deaeration;
C spinning
Viscose glue adopts two-bath process wet method to carry out spinning, and namely viscose glue is quantitatively sent into by measuring pump and entered spinning machine for sebific duct road, by candle filter elimination particle impurities again, and sends into spinneret assembly by curved tube, and viscose glue, under stress by spinneret orifice, forms viscose glue thread;
D solidifies and solidification
Viscose glue thread out after, enter coagulating bath, after coagulation forming, become nascent strand; Nascent strand is sent to boundling in fixation bath by draw-off godet and is stretched, and while nascent strand stands to stretch, finally complete disintegrating and regeneration process, namely feather protein anchors at cellulose surface, forms the fibre bundle with stable skin-core structure;
Consisting of of described coagulating bath: sodium sulphate 400g/L, sulfuric acid 30g/L, zinc sulfate 5g/L; Temperature 20 DEG C.
Consisting of of described fixation bath: sodium sulphate 200g/L, sulfuric acid 80g/L; Zinc sulfate 50g/L, auxiliary agent 10g/L; Temperature 80 DEG C.
Described auxiliary agent is crosslinking agent EDC.
E post processing
By fiber beam cutting, through overpickling, desulfurization, washing, pickling, wash, oil, dewater, dry after obtain feather keratin viscose staple fiber.
Embodiment 4
A kind of feather keratin viscose staple fiber, is characterized in that: by feather protein liquid and cellulose sulfonate solution
By the weight ratio of 25%:75%, through static state blended-spinning-solidify-post processing obtains, the loss late of this feather keratin viscose staple fiber protein is in process of production 10%, and finished product is after 50 washings, and its celloglobulin expulsion rate is 4%.
The manufacture method of described feather keratin viscose staple fiber is undertaken by following processing step:
The preparation of A feather protein liquid
Feather protein and NaOH is taken by the solid weight ratio of 8:1, first feather protein is dissolved in that temperature is 50 DEG C, concentration is 1%(w/w) sodium hydrate aqueous solution in, constant temperature through 8hr stirs, and after obtaining feather protein solution, filters and obtains feather protein liquid modified uniformly;
B feather protein liquid and cellulose sulfonate solution blending
After feather protein liquid and cellulose sulfonate solution respectively deaeration, then carry out static mixing by the weight ratio that feather protein liquid and cellulose sulfonate solution are 25%:75% and obtain viscose glue after carrying out deaeration;
C spinning
Viscose glue adopts two-bath process wet method to carry out spinning, and namely viscose glue is quantitatively sent into by measuring pump and entered spinning machine for sebific duct road, by candle filter elimination particle impurities again, and sends into spinneret assembly by curved tube, and viscose glue, under stress by spinneret orifice, forms viscose glue thread;
D solidifies and solidification
Viscose glue thread out after, enter coagulating bath, after coagulation forming, become nascent strand; Nascent strand is sent to boundling in fixation bath by draw-off godet and is stretched, and while nascent strand stands to stretch, finally complete disintegrating and regeneration process, namely feather protein anchors at cellulose surface, forms the fibre bundle with stable skin-core structure;
Consisting of of described coagulating bath: sodium sulphate 400g/L, sulfuric acid 50g/L, zinc sulfate 80 g/L; Temperature 50 C.
Consisting of of described fixation bath: sodium sulphate 100g/L, sulfuric acid 40g/L; Zinc sulfate 80g/L, auxiliary agent 6g/L; Temperature 60 C.
Described auxiliary agent is crosslinking agent EDC.
E post processing
By fiber beam cutting, through overpickling, desulfurization, washing, pickling, wash, oil, dewater, dry after obtain feather keratin viscose staple fiber.
Embodiment 5
A kind of feather keratin viscose staple fiber, the weight ratio of 30%:70% is pressed by feather protein liquid and cellulose sulfonate solution, through static state blended-spinning-solidify-post processing obtains, the loss late of this feather keratin viscose staple fiber protein is in process of production 10%, finished product is after 50 washings, and its celloglobulin expulsion rate is no more than 5%.
The manufacture method of described feather keratin viscose staple fiber is undertaken by following processing step:
The preparation of A feather protein liquid
Feather protein and NaOH is taken by the solid weight ratio of 2:1, first feather protein is dissolved in that temperature is 40 DEG C, concentration is 10%(w/w) sodium hydrate aqueous solution in, constant temperature through 8hr stirs, and after obtaining feather protein solution, filters and obtains feather protein liquid modified uniformly;
B feather protein liquid and cellulose sulfonate solution blending
After feather protein liquid and cellulose sulfonate solution respectively deaeration, then carry out static mixing by the weight ratio that feather protein liquid and cellulose sulfonate solution are 30%:70% and obtain viscose glue after carrying out deaeration;
C spinning
Viscose glue adopts two-bath process wet method to carry out spinning, and namely viscose glue is quantitatively sent into by measuring pump and entered spinning machine for sebific duct road, by candle filter elimination particle impurities again, and sends into spinneret assembly by curved tube, and viscose glue, under stress by spinneret orifice, forms viscose glue thread;
D solidifies and solidification
Viscose glue thread out after, enter coagulating bath, after coagulation forming, become nascent strand; Nascent strand is sent to boundling in fixation bath by draw-off godet and is stretched, and while nascent strand stands to stretch, finally complete disintegrating and regeneration process, namely feather protein anchors at cellulose surface, forms the fibre bundle with stable skin-core structure;
Consisting of of described coagulating bath: sodium sulphate 300g/L, sulfuric acid 200g/L, zinc sulfate 25 g/L; Temperature 40 DEG C.
Consisting of of described fixation bath: sodium sulphate 70g/L, sulfuric acid 20g/L; Zinc sulfate 60g/L, auxiliary agent 9g/L; Temperature 30 DEG C.
Described auxiliary agent is crosslinking agent EDC.
E post processing
By fiber beam cutting, through overpickling, desulfurization, washing, pickling, wash, oil, dewater, dry after obtain feather keratin viscose staple fiber.
Embodiment 6
A kind of feather keratin viscose staple fiber, the weight ratio of 20%:80% is pressed by feather protein liquid and cellulose sulfonate solution, through static state blended-spinning-solidify-post processing obtains, the loss late of this feather keratin viscose staple fiber protein is in process of production 15%, finished product is after 50 washings, and its celloglobulin expulsion rate is no more than 3%.
The manufacture method of described feather keratin viscose staple fiber is undertaken by following processing step:
The preparation of A feather protein liquid
Feather protein and NaOH is taken by the solid weight ratio of 5:1, first feather protein is dissolved in that temperature is 50 DEG C, concentration is 10%(w/w) sodium hydrate aqueous solution in, constant temperature through 3hr stirs, and after obtaining feather protein solution, filters and obtains feather protein liquid modified uniformly;
B feather protein liquid and cellulose sulfonate solution blending
After feather protein liquid and cellulose sulfonate solution respectively deaeration, then carry out static mixing by the weight ratio that feather protein liquid and cellulose sulfonate solution are 20%:80% and obtain viscose glue after carrying out deaeration;
C spinning
Viscose glue adopts two-bath process wet method to carry out spinning, and namely viscose glue is quantitatively sent into by measuring pump and entered spinning machine for sebific duct road, by candle filter elimination particle impurities again, and sends into spinneret assembly by curved tube, and viscose glue, under stress by spinneret orifice, forms viscose glue thread;
D solidifies and solidification
Viscose glue thread out after, enter coagulating bath, after coagulation forming, become nascent strand; Nascent strand is sent to boundling in fixation bath by draw-off godet and is stretched, and while nascent strand stands to stretch, finally complete disintegrating and regeneration process, namely feather protein anchors at cellulose surface, forms the fibre bundle with stable skin-core structure;
Consisting of of described coagulating bath: sodium sulphate 350g/L, sulfuric acid 150g/L, zinc sulfate 50 g/L; Temperature 50 C.
Consisting of of described fixation bath: sodium sulphate 150g/L, sulfuric acid 60g/L; Zinc sulfate 10g/L, auxiliary agent 0.1g/L; Temperature 80 DEG C.
Described auxiliary agent is crosslinking agent EDC.
E post processing
By fiber beam cutting, through overpickling, desulfurization, washing, pickling, wash, oil, dewater, dry after obtain feather keratin viscose staple fiber.
Claims (1)
1. the manufacture method of a feather keratin viscose staple fiber, it is characterized in that: by feather protein liquid and the cellulose sulfonate solution weight ratio by 10%:90%, through static state blended-spinning-solidify-solidify-post processing obtains, the loss late of this feather keratin viscose staple fiber protein is in process of production 25%, finished product is after 50 washings, and its celloglobulin expulsion rate is 5%;
The manufacture method of described feather keratin viscose staple fiber is undertaken by following processing step:
The preparation of A feather protein liquid
Feather protein and NaOH is taken by the solid weight ratio of 1:1, first feather protein is dissolved in that temperature is 90 DEG C, concentration is 10%(w/w) sodium hydrate aqueous solution in, constant temperature through 3hr stirs, and after obtaining feather protein solution, filters and obtains feather protein liquid modified uniformly;
B feather protein liquid and cellulose sulfonate solution blending
After feather protein liquid and cellulose sulfonate solution respectively deaeration, then carry out static mixing by the weight ratio that feather protein liquid and cellulose sulfonate solution are 10%:90% and obtain viscose glue after carrying out deaeration;
C spinning
Viscose glue adopts two-bath process wet method to carry out spinning, and namely viscose glue is quantitatively sent into by measuring pump and entered spinning machine for sebific duct road, by candle filter elimination particle impurities again, and sends into spinneret assembly by curved tube, and viscose glue, under stress by spinneret orifice, forms viscose glue thread;
D solidifies and solidification
Viscose glue thread out after, enter coagulating bath, after coagulation forming, become nascent strand; Nascent strand is sent to boundling in fixation bath by draw-off godet and is stretched, and while nascent strand stands to stretch, finally complete disintegrating and regeneration process, namely feather protein anchors at cellulose surface, forms the fibre bundle with stable skin-core structure;
Consisting of of described coagulating bath: sodium sulphate 300g/L, sulfuric acid 250g/L, zinc sulfate 100 g/L; Temperature 20 DEG C;
Consisting of of described fixation bath: sodium sulphate 10g/L, sulfuric acid 10g/L; Zinc sulfate 5 g/L, auxiliary agent 0.01g/L; Temperature 50 C;
Described auxiliary agent is crosslinking agent EDC;
E post processing
By fiber beam cutting, through overpickling, desulfurization, washing, pickling, wash, oil, dewater, dry after obtain feather keratin viscose staple fiber.
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| CN104928793A (en) * | 2015-06-26 | 2015-09-23 | 安徽皖翎羽绒制品有限公司 | Cool and moisture absorbent composite down fiber |
| CN104947238A (en) * | 2015-06-26 | 2015-09-30 | 安徽皖翎羽绒制品有限公司 | Down feather composite fiber having good fluffy and antibacterial effects |
| CN105155026A (en) * | 2015-07-02 | 2015-12-16 | 青阳县越阳家居用品有限公司 | Novel composite fiber textile material with good breathability and anti-radiation effect |
| CN114086270A (en) * | 2021-12-13 | 2022-02-25 | 上海水星家用纺织品股份有限公司 | Preparation method of composite plant protein fiber |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1128812A (en) * | 1994-09-23 | 1996-08-14 | 赫彻斯特股份公司 | Prepn. method for aminated regeneration cellulose |
| CN102304782A (en) * | 2011-09-26 | 2012-01-04 | 四川省宜宾惠美线业有限责任公司 | Pupal protein viscose staple fiber and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1128812A (en) * | 1994-09-23 | 1996-08-14 | 赫彻斯特股份公司 | Prepn. method for aminated regeneration cellulose |
| CN102304782A (en) * | 2011-09-26 | 2012-01-04 | 四川省宜宾惠美线业有限责任公司 | Pupal protein viscose staple fiber and manufacturing method thereof |
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| 再生丝素纤维的湿法纺丝及其交联改性研究;高艳菲等;《丝绸》;20120420;第49卷(第4期);第10－14页 * |
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Effective date of registration: 20151111 Address after: 644002 Yibin City, Sichuan Province town of Cuiping District South Salt Pingba Industrial Park Patentee after: Yibin Huimei Fiber New Material Co., Ltd. Address before: 644002 Yibin, South Bank of the middle of the road, the space shuttle Patentee before: Sichuan Yibin Huimei Line Industry Co., Ltd. Patentee before: Yibin Huimei Fiber New Material Co., Ltd. Patentee before: Yibin Grace Group Company |