CN107190349A - A kind of method that utilization yak hair prepares nanofiber - Google Patents
A kind of method that utilization yak hair prepares nanofiber Download PDFInfo
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- CN107190349A CN107190349A CN201710324144.6A CN201710324144A CN107190349A CN 107190349 A CN107190349 A CN 107190349A CN 201710324144 A CN201710324144 A CN 201710324144A CN 107190349 A CN107190349 A CN 107190349A
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- yak hair
- hair
- yak
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- 210000004209 hair Anatomy 0.000 title claims abstract description 134
- 239000002121 nanofiber Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 102000011782 Keratins Human genes 0.000 claims abstract description 49
- 108010076876 Keratins Proteins 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000003756 stirring Methods 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 28
- 230000009467 reduction Effects 0.000 claims abstract description 27
- 238000009987 spinning Methods 0.000 claims abstract description 20
- 230000020477 pH reduction Effects 0.000 claims abstract description 18
- BYEAHWXPCBROCE-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropan-2-ol Chemical compound FC(F)(F)C(O)C(F)(F)F BYEAHWXPCBROCE-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229920002635 polyurethane Polymers 0.000 claims abstract description 17
- 239000004814 polyurethane Substances 0.000 claims abstract description 17
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000010792 warming Methods 0.000 claims abstract description 15
- 238000010041 electrostatic spinning Methods 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 18
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 15
- 239000002070 nanowire Substances 0.000 claims description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 14
- 239000000706 filtrate Substances 0.000 claims description 14
- 239000006210 lotion Substances 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 13
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 12
- 239000004202 carbamide Substances 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 12
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 11
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 11
- 239000002202 Polyethylene glycol Substances 0.000 claims description 10
- 229920001223 polyethylene glycol Polymers 0.000 claims description 10
- GCHCGDFZHOEXMP-UHFFFAOYSA-L potassium adipate Chemical compound [K+].[K+].[O-]C(=O)CCCCC([O-])=O GCHCGDFZHOEXMP-UHFFFAOYSA-L 0.000 claims description 9
- 239000001608 potassium adipate Substances 0.000 claims description 9
- 235000011051 potassium adipate Nutrition 0.000 claims description 9
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims description 8
- 239000005030 aluminium foil Substances 0.000 claims description 8
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 8
- 239000012153 distilled water Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 238000007654 immersion Methods 0.000 claims description 8
- 239000005711 Benzoic acid Substances 0.000 claims description 7
- 235000010233 benzoic acid Nutrition 0.000 claims description 7
- 239000001508 potassium citrate Substances 0.000 claims description 7
- 229960002635 potassium citrate Drugs 0.000 claims description 7
- QEEAPRPFLLJWCF-UHFFFAOYSA-K potassium citrate (anhydrous) Chemical compound [K+].[K+].[K+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QEEAPRPFLLJWCF-UHFFFAOYSA-K 0.000 claims description 7
- 235000011082 potassium citrates Nutrition 0.000 claims description 7
- OKBMCNHOEMXPTM-UHFFFAOYSA-M potassium peroxymonosulfate Chemical compound [K+].OOS([O-])(=O)=O OKBMCNHOEMXPTM-UHFFFAOYSA-M 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 5
- 230000018044 dehydration Effects 0.000 claims 1
- 238000006297 dehydration reaction Methods 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 5
- 210000002268 wool Anatomy 0.000 description 33
- 239000000243 solution Substances 0.000 description 20
- 239000000835 fiber Substances 0.000 description 11
- 241001465754 Metazoa Species 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 5
- BDRTVPCFKSUHCJ-UHFFFAOYSA-N molecular hydrogen;potassium Chemical compound [K].[H][H] BDRTVPCFKSUHCJ-UHFFFAOYSA-N 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000008676 import Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 241000271566 Aves Species 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 241001494479 Pecora Species 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 230000000536 complexating effect Effects 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 241000272525 Anas platyrhynchos Species 0.000 description 1
- 241000272814 Anser sp. Species 0.000 description 1
- 241000255789 Bombyx mori Species 0.000 description 1
- YCSMVPSDJIOXGN-UHFFFAOYSA-N CCCCCCCCCCCC[Na] Chemical compound CCCCCCCCCCCC[Na] YCSMVPSDJIOXGN-UHFFFAOYSA-N 0.000 description 1
- 241000282836 Camelus dromedarius Species 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 101710200191 Feather keratin Proteins 0.000 description 1
- 206010016654 Fibrosis Diseases 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 240000000249 Morus alba Species 0.000 description 1
- 235000008708 Morus alba Nutrition 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 235000003846 Ricinus Nutrition 0.000 description 1
- 241000322381 Ricinus <louse> Species 0.000 description 1
- 241000282849 Ruminantia Species 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000085 cashmere Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001054 cortical effect Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- MOTZDAYCYVMXPC-UHFFFAOYSA-N dodecyl hydrogen sulfate Chemical compound CCCCCCCCCCCCOS(O)(=O)=O MOTZDAYCYVMXPC-UHFFFAOYSA-N 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009950 felting Methods 0.000 description 1
- 230000004761 fibrosis Effects 0.000 description 1
- 230000000762 glandular Effects 0.000 description 1
- 210000004919 hair shaft Anatomy 0.000 description 1
- 230000003699 hair surface Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 229960003975 potassium Drugs 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- IWZKICVEHNUQTL-UHFFFAOYSA-M potassium hydrogen phthalate Chemical compound [K+].OC(=O)C1=CC=CC=C1C([O-])=O IWZKICVEHNUQTL-UHFFFAOYSA-M 0.000 description 1
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 229940079827 sodium hydrogen sulfite Drugs 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
- C07K1/14—Extraction; Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/46—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
- C07K14/47—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/46—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
- C07K14/47—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals
- C07K14/4701—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals not used
- C07K14/4741—Keratin; Cytokeratin
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Genetics & Genomics (AREA)
- Medicinal Chemistry (AREA)
- Molecular Biology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- General Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Toxicology (AREA)
- Zoology (AREA)
- Gastroenterology & Hepatology (AREA)
- Cosmetics (AREA)
- Artificial Filaments (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention provides a kind of method that utilization yak hair prepares nanofiber, comprise the following steps：Yak hair is cleaned for several times with water, the removal of impurity is gone, is then dried using centrifuge, it is standby after drying；Above-mentioned dried yak hair is crushed through hair pulverizer；Yak hair after crushing is sequentially placed into acidification liquid and pretreatment liquid and handled；Yak hair is put into reduction treatment liquid and handled, keratin powder is obtained；Keratin powder is dissolved in hexafluoroisopropanol, a certain amount of polyurethane is then added and stirs, 20~25 DEG C of whipping temp, stirring 10~15 minutes, then adds a certain amount of epoxy acrylate, is well mixed, it is warming up to after 60~80 DEG C and continues to stir 1 hour, obtains spinning solution；Electrostatic spinning is carried out using gained spinning solution.The present invention efficiently solve keratin recovery rate that existing yak hair nanofiber is present it is relatively low and into it is fine second-rate the problem of.
Description
Technical field
The present invention relates to nanofiber preparing technical field, particularly a kind of utilization yak hair prepares the side of nanofiber
Method.
Background technology
Animal origin is also known as protein fibre, because their main comprise material is protein.Animal origin is divided into three
Class：The scared and fine hair of animal, the eider down of birds and feather, silk, main source is the animal of artificial feeding.
The species of animal wool is a lot, most importantly sheep's wool, abbreviation wool.Wool is widely used for manufacturing various weavings
Product, also to felt.In addition to wool, also cashmere, the rabbit hair, camel hair, yak hair etc..Animal wool beyond wool, sometimes
Be referred to as special animal hair fibers, also for manufacturing textile, can it is pure spinning or with other fiber blends.It is special using them in blending
Some gloss, fineness and flexibility, can improve the warmth retention property and feel of fabric.The eider down and feather of birds can be with weaving
Other fiber blends, can also do packing material, such as duck's down, goose down.Silk is the glandular secretion thing of silkworm, have mulberry silk, tussah silk,
Ricinus silk and art potato silk etc..
By taking wool as an example, wool is a kind of higher natural fiber of value.Wool is import in China's livestock products
Measure one of maximum product, current import volume has accounted for the 2/3 of domestic production of wool, as wool importer maximum in the world it
One, and domestic wool is in a disadvantageous position in quality compared with import wool, wool is short and thick, in the international market without competitiveness.
This causes the processing of domestic wool in use, producing many abbs, if these waste wools lost, and is undoubtedly one kind
The wasting of resources, can also be polluted to environment.If not only these waste resource regenerations can be alleviated into wool resource short
Scarce present situation, and reference can be provided to the regeneration of other poultry hairs.
For a long time, correlative study be mostly around wool expansion, and all in all can be with the research that wool is recycled
It is divided into two aspects：On the one hand make full use of technological means to lift the value of wool；On the other hand research renewal theory, is realized
The fibrosis regeneration of wool keratin, obtains desired wool keratin modified viscose fiber.For wool keratin again
Biochemical technology have been carried out at present it is widely studied, most of technologies all be using chemistry method by waste wool dissolve be made sheep
Feather keratin solution, and select suitable solvent and dissolution conditions to be the key for preparing wool keratin solution.At present with animal wool
The mode for preparing raw liquid of ceratin is to use urea/sulphur sodium/SDS techniques mostly, i.e., with sodium sulfide, urea, dodecyl sulphate
The mixed system of sodium is solvent, and pending animal wool is put into this mixed solution, is made certain density after dissolution filter
Keratin solution.
Yak is the peculiar ox kind of extremely frigid zones, phytophage ruminant domestic animal.It is main to originate in Chinese Qinghai-Tibet height above sea level 3000
More than rice area, the diameter of yak hair is more than 25 microns, and length can be more than 20 centimetres, and profile is straight, and surface is smooth, and what is had has
Continuous medula, strong and unyielding and glossy, felting property is low.Yak wool fibre is largely made up of scale layer and cortical layer, comprises only pole
Few medullary substance layer, due to the special living environment of yak, is compared to the loose arrangement of wool scale layer, the scale layer of yak hair
More close compared to wool, scale is close to hair shaft, and its scale layer has and relatively strong resists enzyme and the work of chemical agent etch
With the recovery rate of minimal amount of keratin, i.e. keratin can only be dissolved very using the technique of wool is handled to handle yak hair
It is low, and then the cost of acquisition yak hair nanofiber is higher, yak hair wastage of material is than a kind of more serious, spy for yak hair
Determine nanofiber preparation technology and need badly to be developed.
The content of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of method that utilization yak hair prepares nanofiber,
The problem of solving in the prior art not specifically designed for yak hair nanofiber preparation technology.
The technical solution adopted for the present invention to solve the technical problems is：A kind of utilization yak hair prepares the side of nanofiber
Method, comprises the following steps：
Step [1]：Yak hair is cleaned for several times with water, the removal of impurity is gone, is then dried using centrifuge, standby is dried
With；
Step [2]：Above-mentioned dried yak hair is crushed through hair pulverizer；
Step [3]：Yak hair after crushing is put into acidification liquid, soaked 20~30 minutes at 30~35 DEG C,
Dehydrate；
Step [4]：By it is acidified processing and dried yak hair be put into pretreatment liquid, stir 8 at 30~35 DEG C
~10 minutes, filtering, it is neutrality to be washed to yak hair pH value；
Step [5]：Yak hair after step [4] processing will be put into reduction treatment liquid, 40~50 are stirred at 35 DEG C
Minute, 100 DEG C are warming up to, immersion dissolving 1.2~2 hours is filtered, and fully washes undissolved yak hair with distilled water, is received
Collect filtrate and water lotion, be put into bag filter and dialysed, it is then freeze-dried after obtain keratin powder；
Step [6]：Keratin powder is dissolved in hexafluoroisopropanol, a certain amount of polyurethane is then added and stirs, is stirred
20~25 DEG C of temperature, stirs 10~15 minutes, then adds a certain amount of epoxy acrylate, is well mixed, it is warming up to 60~
Continue to stir 1 hour after 80 DEG C, obtain spinning solution；
Step [7]：Electrostatic spinning is carried out using gained spinning solution, and nano wire is received with aluminium foil, blending Nanowire is produced
Dimension；
Further, the component composition of the following concentration of acidification liquid：5~8g/L of sulfuric acid, potassium citrate 12~
16g/L, 23~29g/L of benzoic acid, 140~150g of ethanol, remaining is water.
Further, the weight ratio between the acidification liquid and yak hair is 5~6:1.
Further, the pretreatment liquid is made up of the component of following concentration：60~90g/L of potassium hydrogen peroxymonosulfate, hydrogen-oxygen
Change 10~15g/L of potassium, 34~45g/L of polyethylene glycol, 5~7g/L of sodium lignin sulfonate, remaining is water.
Further, the weight ratio between the pretreatment liquid and yak hair is 5~8:1~3.
Further, the reduction treatment liquid is made up of the component of following concentration：Sodium sulfide 30~38g g/L, urea 280
~320g/L, 12~15g/L of lauryl sodium sulfate, 12~18g/L of Potassium Adipate, 18~23g/L of butanol, remaining is water.
Further, the weight ratio between the reduction treatment liquid and yak hair is 20~30:1.
Further, the quality in step [5] between keratin powder, hexafluoroisopropanol, polyurethane and epoxy acrylate
Than for 1:2~3:1~1.5:0.17~0.19.
Further, the length of the yak hair after being crushed through hair pulverizer is 1~3mm.
The positive effect of the present invention：
1. the present invention acidification has been carried out to yak hair first, its use sulfuric acid, potassium citrate, benzoic acid, ethanol with
The mixed system of water, can carry out appropriate erosion to the surface scale layer of yak wool fibre, effectively reduce the tight ness rating of scale layer,
Make its it is loose be easily stripped, while do not carry out excessive erosion to it, in order to avoid produce damage to the structure below scale layer, this acidifying
Process step is peeled off to the appropriateness of scale layer for next step and provides favourable basis.
2. the present invention adds pre-treatment step before reduction treatment handling process, potassium hydrogen peroxymonosulfate/hydrogen is employed
The combined system of potassium oxide/polyethylene glycol/sodium lignin sulfonate, and crushed yak hair before pre-treatment, in order to
More preferable oxidation processes are carried out to yak hair, wherein compared to the independent conventional situation using potassium hydrogen peroxymonosulfate, present treatment liquid adds
Polyhydroxy structure type compound polyethylene glycol is entered, while being also added into sodium lignin sulfonate.We have found initial stage in research, adopt
During with single potassium hydrogen peroxymonosulfate because the strong oxidizing property of potassium hydrogen peroxymonosulfate, yak hair add initial stage its first pair with
Contact yak hair carry out oxidation processes, now easily to yak hair fiber surface scale layer produce transition peel off damage, after
And keratin is aoxidized, and this can finally influence the recovery rate of keratin and extract quality, therefore, and the present invention is crossing a sulphur
Added on the basis of potassium hydrogen phthalate belong to polymerization species have highly viscous polyethylene glycol, because it is in oxidation processes
Generate stronger complexing effect and its high viscosity having is easily in yak hair fiber surface one layer of mucous layer of formation, preferably resistance
The damage of the transition to yak hair surface is stopped so that potassium hydrogen peroxymonosulfate is gentleer to the oxidizing process of yak hair, effective
Peel off the also strong oxidation for reducing keratin while yak hair fiber surface scale layer, for improve keratin recovery rate and
Extract quality and provide strong basis.
3. the reduction treatment liquid of the present invention uses the group of sodium sulfide/urea/lauryl sodium sulfate/Potassium Adipate/butanol
Zoarium system, i.e., add Potassium Adipate and butanol, and employ high level on the basis of traditional sodium sulfide/urea/SDS
Reducing agent sodium hydrogensulfite, wherein Potassium Adipate as few hydroxyl structure (compare polyethylene glycol in pretreatment liquid) complexing
Corrosion inhibiter, butanol is as a kind of inhibition conditioning agent, and both combine to fetter the sulfurous acid hydrogen radical ion in solution jointly, so that
Total recovery rate of keratin is improved while dissolving keratin.
4. the present invention using the combined system of keratin powder/polyurethane/epoxy acrylate as spinning solution, especially
The addition of epoxy acrylate so that the lateral crosslinking points between macromolecular are effectively reduced, while so that keratin molecule structure
And molecular conformation changes, together with polyurethane, the active force between molecular machinery is effectively increased, molecular structure is improved
Heat endurance, and then cause into the uniformity of silk and effectively lifted, effectively improve keratin into fine quality.
Embodiment
Below to a preferred embodiment of the present invention will be described in detail.
Embodiment 1
The preferred embodiment of the present invention 1 provides a kind of method that utilization yak hair prepares nanofiber, comprises the following steps：
Step [1]：Yak hair is cleaned for several times with water, the removal of impurity is gone, is then dried using centrifuge, standby is dried
With；
Step [2]：Above-mentioned dried yak hair is crushed to 2mm through hair pulverizer；
Step [3]：Yak hair after crushing is put into acidification liquid, soaked 20~30 minutes at 30~35 DEG C,
Dehydrate；
Wherein, the component composition of the following concentration of acidification liquid：Sulfuric acid 7g/L, potassium citrate 14g/L, benzoic acid
25g/L, ethanol 145g, remaining is water；Weight ratio between the acidification liquid and yak hair is 6:1.
Step [4]：By it is acidified processing and dried yak hair be put into pretreatment liquid, at 35 DEG C stir 10 points
Clock, filtering, it is neutrality to be washed to yak hair pH value；
Wherein, the pretreatment liquid is made up of the component of following concentration：Potassium hydrogen peroxymonosulfate 750g/L, potassium hydroxide 12g/
L, polyethylene glycol 37g/L, sodium lignin sulfonate 6g/L, remaining is water；
Weight ratio between the pretreatment liquid and yak hair is 8:1.
Step [5]：Yak hair after step [4] processing will be put into (wherein, the reduction treatment liquid in reduction treatment liquid
It is made up of the component of following concentration：Sodium sulfide 33g g/L, urea 289g/L, lauryl sodium sulfate 13.5g/L, Potassium Adipate
13.4g/L, butanol 20g/L, the weight ratio between the reduction treatment liquid and yak hair are 30:1) 45 points, are stirred at 35 DEG C
Clock, is warming up to 100 DEG C, immersion dissolving 1.5 hours is filtered, and fully washes undissolved yak hair with distilled water, collects filtrate
Weighed with water lotion and mixing, be put into bag filter and dialysed, it is then freeze-dried after keratin powder and weigh, calculating
The mass fraction for obtaining keratin in mixed liquor (filtrate and water lotion) is 3.67%.
Step [6]：Keratin powder is dissolved in hexafluoroisopropanol, a certain amount of polyurethane is then added and stirs, is stirred
20 DEG C of temperature, stirs 15 minutes, then adds a certain amount of epoxy acrylate, is well mixed, is warming up to after 80 DEG C and continues to stir
Mix 1 hour, obtain spinning solution；Mass ratio wherein between keratin powder, hexafluoroisopropanol, polyurethane and epoxy acrylate is 1:
3:1:0.18。
Step [7]：Electrostatic spinning is carried out using gained spinning solution, and nano wire is received with aluminium foil, blending Nanowire is produced
Dimension.100 gained nanofibers are randomly selected, and electron microscope observation is scanned to it, taken nanofiber is calculated
Middle minimum diameter is 158nm, and maximum gauge is 438nm, and average diameter is 231nm.
Embodiment 2
The preferred embodiment of the present invention 2 provides a kind of method that utilization yak hair prepares nanofiber, comprises the following steps：
Step [1]：Yak hair is cleaned for several times with water, the removal of impurity is gone, is then dried using centrifuge, standby is dried
With；
Step [2]：Above-mentioned dried yak hair is crushed to 2mm through hair pulverizer；
Step [3]：Yak hair after crushing is put into pretreatment liquid, stirred 10 minutes at 35 DEG C, filtering is washed to
Yak hair pH value is neutrality；
Wherein, the pretreatment liquid is made up of the component of following concentration：Potassium hydrogen peroxymonosulfate 750g/L, potassium hydroxide 12g/
L, polyethylene glycol 37g/L, sodium lignin sulfonate 6g/L, remaining is water；
Weight ratio between the pretreatment liquid and yak hair is 8:1.
Step [4]：Yak hair after step [3] processing will be put into (wherein, the reduction treatment liquid in reduction treatment liquid
It is made up of the component of following concentration：Sodium sulfide 33g g/L, urea 289g/L, lauryl sodium sulfate 13.5g/L, Potassium Adipate
13.4g/L, butanol 20g/L, the weight ratio between the reduction treatment liquid and yak hair are 30:1) 45 points, are stirred at 35 DEG C
Clock, is warming up to 100 DEG C, immersion dissolving 1.5 hours is filtered, and fully washes undissolved yak hair with distilled water, collects filtrate
Weighed with water lotion and mixing, be put into bag filter and dialysed, it is then freeze-dried after keratin powder and weigh, calculating
The mass fraction for obtaining keratin in mixed liquor (filtrate and water lotion) is 2.17%.
Step [5]：Keratin powder is dissolved in hexafluoroisopropanol, a certain amount of polyurethane is then added and stirs, is stirred
20 DEG C of temperature, stirs 15 minutes, then adds a certain amount of epoxy acrylate, is well mixed, is warming up to after 80 DEG C and continues to stir
Mix 1 hour, obtain spinning solution；Mass ratio wherein between keratin powder, hexafluoroisopropanol, polyurethane and epoxy acrylate is 1:
3:1:0.18。
Step [6]：Electrostatic spinning is carried out using gained spinning solution, and nano wire is received with aluminium foil, blending Nanowire is produced
Dimension.100 gained nanofibers are randomly selected, and electron microscope observation is scanned to it, taken nanofiber is calculated
Middle minimum diameter is 168nm, and maximum gauge is 480nm, and average diameter is 259nm.
Embodiment 3
The preferred embodiment of the present invention 3 provides a kind of method that utilization yak hair prepares nanofiber, comprises the following steps：
Step [1]：Yak hair is cleaned for several times with water, the removal of impurity is gone, is then dried using centrifuge, standby is dried
With；
Step [2]：Above-mentioned dried yak hair is crushed to 2mm through hair pulverizer；
Step [3]：Yak hair after crushing is put into acidification liquid, soaked 20~30 minutes at 30~35 DEG C,
Dehydrate；
Wherein, the component composition of the following concentration of acidification liquid：Sulfuric acid 7g/L, potassium citrate 14g/L, benzoic acid
25g/L, ethanol 145g, remaining is water；Weight ratio between the acidification liquid and yak hair is 6:1.
Step [4]：By it is acidified processing and dried yak hair be put into pretreatment liquid, at 35 DEG C stir 10 points
Clock, filtering, it is neutrality to be washed to yak hair pH value；
Wherein, the pretreatment liquid is made up of the component of following concentration：Potassium hydrogen peroxymonosulfate 750g/L, potassium hydroxide 12g/
L, remaining is water；
Weight ratio between the pretreatment liquid and yak hair is 8:1.
Step [5]：Yak hair after being handled through step [4] puts into (wherein, the reduction treatment liquid in reduction treatment liquid
It is made up of the component of following concentration：Sodium sulfide 33g g/L, urea 289g/L, lauryl sodium sulfate 13.5g/L, Potassium Adipate
13.4g/L, butanol 20g/L, the weight ratio between the reduction treatment liquid and yak hair are 30:1) 45 points, are stirred at 35 DEG C
Clock, is warming up to 100 DEG C, immersion dissolving 1.5 hours is filtered, and fully washes undissolved yak hair with distilled water, collects filtrate
Weighed with water lotion and mixing, be put into bag filter and dialysed, it is then freeze-dried after keratin powder and weigh, calculating
The mass fraction for obtaining keratin in mixed liquor (filtrate and water lotion) is 2.26%.
Step [6]：Keratin powder is dissolved in hexafluoroisopropanol, a certain amount of polyurethane is then added and stirs, is stirred
20 DEG C of temperature, stirs 15 minutes, then adds a certain amount of epoxy acrylate, is well mixed, is warming up to after 80 DEG C and continues to stir
Mix 1 hour, obtain spinning solution；Mass ratio wherein between keratin powder, hexafluoroisopropanol, polyurethane and epoxy acrylate is 1:
3:1:0.18。
Step [7]：Electrostatic spinning is carried out using gained spinning solution, and nano wire is received with aluminium foil, blending Nanowire is produced
Dimension.100 gained nanofibers are randomly selected, and electron microscope observation is scanned to it, taken nanofiber is calculated
Middle minimum diameter is 118nm, and maximum gauge is 409nm, and average diameter is 252nm.
Embodiment 4
The preferred embodiment of the present invention 4 provides a kind of method that utilization yak hair prepares nanofiber, comprises the following steps：
Step [1]：Yak hair is cleaned for several times with water, the removal of impurity is gone, is then dried using centrifuge, standby is dried
With；
Step [2]：Above-mentioned dried yak hair is crushed to 2mm through hair pulverizer；
Step [3]：Yak hair after crushing is put into acidification liquid, soaked 20~30 minutes at 30~35 DEG C,
Dehydrate；
Wherein, the component composition of the following concentration of acidification liquid：Sulfuric acid 7g/L, potassium citrate 14g/L, benzoic acid
25g/L, ethanol 145g, remaining is water；Weight ratio between the acidification liquid and yak hair is 6:1.
Step [4]：By it is acidified processing and dried yak hair be put into pretreatment liquid, at 35 DEG C stir 10 points
Clock, filtering, it is neutrality to be washed to yak hair pH value；
Wherein, the pretreatment liquid is made up of the component of following concentration：Potassium hydrogen peroxymonosulfate 750g/L, potassium hydroxide 12g/
L, polyethylene glycol 37g/L, sodium lignin sulfonate 6g/L, remaining is water；
Weight ratio between the pretreatment liquid and yak hair is 8:1.
Step [5]：Yak hair after being handled through step [4] puts into (wherein, the reduction treatment liquid in reduction treatment liquid
It is made up of the component of following concentration：Sodium sulfide 33g g/L, urea 289g/L, lauryl sodium sulfate 13.5g/L, the reduction
Weight ratio between treatment fluid and yak hair is 30:1), stirred 45 minutes at 35 DEG C, be warming up to 100 DEG C, immersion dissolving 1.5
Hour, filtering, and undissolved yak hair is fully washed with distilled water, collect filtrate and water lotion and mix and weigh, be put into
Analysis bag is dialysed, it is then freeze-dried after obtain keratin powder and weigh, calculate in mixed liquor (filtrate and water lotion)
The mass fraction of keratin is 2.41%.
Step [6]：Keratin powder is dissolved in hexafluoroisopropanol, a certain amount of polyurethane is then added and stirs, is stirred
20 DEG C of temperature, stirs 15 minutes, then adds a certain amount of epoxy acrylate, is well mixed, is warming up to after 80 DEG C and continues to stir
Mix 1 hour, obtain spinning solution；Mass ratio wherein between keratin powder, hexafluoroisopropanol, polyurethane and epoxy acrylate is 1:
3:1:0.18
Step [7]：Electrostatic spinning is carried out using gained spinning solution, and nano wire is received with aluminium foil, blending Nanowire is produced
Dimension.100 gained nanofibers are randomly selected, and electron microscope observation is scanned to it, taken nanofiber is calculated
Middle minimum diameter is 143nm, and maximum gauge is 534nm, and average diameter is 229nm.
Embodiment 5
The preferred embodiment of the present invention 5 provides a kind of method that utilization yak hair prepares nanofiber, comprises the following steps：
Step [1]：Yak hair is cleaned for several times with water, the removal of impurity is gone, is then dried using centrifuge, standby is dried
With；
Step [2]：Above-mentioned dried yak hair is crushed to 2mm through hair pulverizer；
Step [3]：Yak hair after crushing is put into acidification liquid, soaked 20~30 minutes at 30~35 DEG C,
Dehydrate；
Wherein, the component composition of the following concentration of acidification liquid：Sulfuric acid 7g/L, potassium citrate 14g/L, benzoic acid
25g/L, ethanol 145g, remaining is water；Weight ratio between the acidification liquid and yak hair is 6:1.
Step [4]：By it is acidified processing and dried yak hair be put into pretreatment liquid, at 35 DEG C stir 10 points
Clock, filtering, it is neutrality to be washed to yak hair pH value；
Wherein, the pretreatment liquid is made up of the component of following concentration：Potassium hydrogen peroxymonosulfate 750g/L, potassium hydroxide 12g/
L, polyethylene glycol 37g/L, sodium lignin sulfonate 6g/L, remaining is water；
Weight ratio between the pretreatment liquid and yak hair is 8:1.
Step [5]：Yak hair after step [4] processing will be put into (wherein, the reduction treatment liquid in reduction treatment liquid
It is made up of the component of following concentration：Sodium sulfide 33g g/L, urea 289g/L, lauryl sodium sulfate 13.5g/L, Potassium Adipate
13.4g/L, butanol 20g/L, the weight ratio between the reduction treatment liquid and yak hair are 30:1) 45 points, are stirred at 35 DEG C
Clock, is warming up to 100 DEG C, immersion dissolving 1.5 hours is filtered, and fully washes undissolved yak hair with distilled water, collects filtrate
Weighed with water lotion and mixing, be put into bag filter and dialysed, it is then freeze-dried after keratin powder and weigh, calculating
The mass fraction for obtaining keratin in mixed liquor (filtrate and water lotion) is 3.63%.
Step [6]：Keratin powder is dissolved in hexafluoroisopropanol, a certain amount of polyurethane is then added and stirs, is stirred
20 DEG C of temperature, stirs 1.5 hours, obtains spinning solution；Wherein, the mass ratio between keratin powder, hexafluoroisopropanol, polyurethane is 1:
3:1。
Step [7]：Electrostatic spinning is carried out using gained spinning solution, and nano wire is received with aluminium foil, blending Nanowire is produced
Dimension.100 gained nanofibers are randomly selected, and electron microscope observation is scanned to it, taken nanofiber is calculated
Middle minimum diameter is 222nm, and maximum gauge is 693nm, and average diameter is 408nm.
Embodiment 6
The preferred embodiment of the present invention 6 provides a kind of method that utilization yak hair prepares nanofiber, comprises the following steps：
Step [1]：Yak hair is cleaned for several times with water, the removal of impurity is gone, is then dried using centrifuge, standby is dried
With；
Step [2]：Above-mentioned dried yak hair is crushed to 2mm through hair pulverizer；
Step [3]：By (wherein, the reduction treatment liquid is by following dense in the yak hair input reduction treatment liquid after crushing
The component composition of degree：Sodium sulfide 33g g/L, urea 289g/L, lauryl sodium sulfate 13.5g/L, the reduction treatment liquid with
Weight ratio between yak hair is 30:1), stirred 45 minutes at 35 DEG C, be warming up to 100 DEG C, immersion dissolving 1.5 hours, mistake
Filter, and undissolved yak hair is fully washed with distilled water, collect filtrate and water lotion and mix and weigh, be put into bag filter progress
Dialysis, it is then freeze-dried after keratin powder and weigh, calculate keratin in mixed liquor (filtrate and water lotion)
Mass fraction is 1.01%.
Step [4]：Keratin powder is dissolved in hexafluoroisopropanol, 20 DEG C of whipping temp stirs 1.5 hours, obtains spinning solution；
Mass ratio wherein between keratin powder, hexafluoroisopropanol is 1:3.
Step [5]：Electrostatic spinning is carried out using gained spinning solution, and nano wire is received with aluminium foil, blending Nanowire is produced
Dimension.100 gained nanofibers are randomly selected, and electron microscope observation is scanned to it, taken nanofiber is calculated
Middle minimum diameter is 356nm, and maximum gauge is 1025nm, and average diameter is 764nm.
Above-described is only the preferred embodiments of the present invention, and the explanation that should be understood that above example is to use
Understand the method and its core concept of the present invention in help, the protection domain being not intended to limit the present invention is all the present invention's
Any modification for being made within thought and principle, equivalent substitution etc., should be included in the scope of the protection.
Claims (9)
1. a kind of method that utilization yak hair prepares nanofiber, it is characterised in that comprise the following steps：
Step [1]：Yak hair is cleaned for several times with water, the removal of impurity is gone, is then dried using centrifuge, it is standby after drying；
Step [2]：Above-mentioned dried yak hair is crushed through hair pulverizer；
Step [3]：Yak hair after crushing is put into acidification liquid, soaked 20~30 minutes at 30~35 DEG C, dehydration
Dry；
Step [4]：By it is acidified processing and dried yak hair be put into pretreatment liquid, at 30~35 DEG C stir 8~10
Minute, filtering, it is neutrality to be washed to yak hair pH value；
Step [5]：Yak hair after step [4] processing will be put into reduction treatment liquid, be stirred 40~50 minutes at 35 DEG C,
100 DEG C are warming up to, immersion dissolving 1.2~2 hours is filtered, and fully washes undissolved yak hair with distilled water, collects filtrate
And water lotion, be put into bag filter and dialysed, it is then freeze-dried after keratin powder；
Step [6]：Keratin powder is dissolved in hexafluoroisopropanol, a certain amount of polyurethane is then added and stirs, whipping temp
20~25 DEG C, stir 10~15 minutes, then add a certain amount of epoxy acrylate, be well mixed, be warming up to 60~80 DEG C
Continue to stir 1 hour afterwards, obtain spinning solution；
Step [7]：Electrostatic spinning is carried out using gained spinning solution, and nano wire is received with aluminium foil, blending nanofiber is produced.
2. the method that a kind of utilization yak hair according to claim 1 prepares nanofiber, it is characterised in that：The acidifying
The component composition of the following concentration for the treatment of fluid：5~8g/L of sulfuric acid, 12~16g/L of potassium citrate, 23~29g/L of benzoic acid, ethanol
140~150g, remaining is water.
3. the method that a kind of utilization yak hair according to claim 2 prepares nanofiber, it is characterised in that：The acidifying
Weight ratio between treatment fluid and yak hair is 5~6:1.
4. the method that a kind of utilization yak hair according to claim 1 prepares nanofiber, it is characterised in that：Locate before described
Reason liquid is made up of the component of following concentration：60~90g/L of potassium hydrogen peroxymonosulfate, 10~15g/L of potassium hydroxide, polyethylene glycol 34~
45g/L, 5~7g/L of sodium lignin sulfonate, remaining is water.
5. the method that a kind of utilization yak hair according to claim 4 prepares nanofiber, it is characterised in that：Locate before described
It is 5~8 to manage the weight ratio between liquid and yak hair:1~3.
6. the method that a kind of utilization yak hair according to claim 1 prepares nanofiber, it is characterised in that：The reduction
Treatment fluid is made up of the component of following concentration：Sodium sulfide 30~38g g/L, 280~320g/L of urea, lauryl sodium sulfate 12
~15g/L, 12~18g/L of Potassium Adipate, 18~23g/L of butanol.
7. the method that a kind of utilization yak hair according to claim 6 prepares nanofiber, it is characterised in that：The reduction
Weight ratio between treatment fluid and yak hair is 20~30:1.
8. the method that a kind of utilization yak hair according to claim 1 prepares nanofiber, it is characterised in that：Step [5]
Mass ratio between middle keratin powder, hexafluoroisopropanol, polyurethane and epoxy acrylate is 1:2~3:1~1.5:0.17~
0.19。
9. the method that a kind of utilization yak hair according to claim 1 prepares nanofiber, it is characterised in that：Through hair powder
The length of yak hair after broken machine crushing is 1~3mm.
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| CN108360269A (en) * | 2018-04-20 | 2018-08-03 | 齐鲁工业大学 | A kind of preparation method of ox hair powder filler modified water-soluble dry method polyurethane bass |
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