CN115182162B - Preparation method and application method of special sizing agent for nitride fibers - Google Patents
Preparation method and application method of special sizing agent for nitride fibers Download PDFInfo
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- CN115182162B CN115182162B CN202210863127.0A CN202210863127A CN115182162B CN 115182162 B CN115182162 B CN 115182162B CN 202210863127 A CN202210863127 A CN 202210863127A CN 115182162 B CN115182162 B CN 115182162B
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- 238000004513 sizing Methods 0.000 title claims abstract description 139
- 239000000835 fiber Substances 0.000 title claims abstract description 121
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 119
- 150000004767 nitrides Chemical class 0.000 title claims abstract description 68
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 24
- 239000003381 stabilizer Substances 0.000 claims abstract description 24
- 239000004902 Softening Agent Substances 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 13
- 239000002002 slurry Substances 0.000 claims abstract description 8
- -1 pyridine quaternary ammonium salt Chemical class 0.000 claims description 53
- 239000000203 mixture Substances 0.000 claims description 33
- 238000010008 shearing Methods 0.000 claims description 29
- 239000012752 auxiliary agent Substances 0.000 claims description 27
- 239000000839 emulsion Substances 0.000 claims description 27
- 239000004698 Polyethylene Substances 0.000 claims description 11
- 229920000573 polyethylene Polymers 0.000 claims description 11
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 10
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 10
- 238000002791 soaking Methods 0.000 claims description 10
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 9
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 9
- LQZZUXJYWNFBMV-UHFFFAOYSA-N ethyl butylhexanol Natural products CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 claims description 9
- 239000000194 fatty acid Substances 0.000 claims description 9
- 229930195729 fatty acid Natural products 0.000 claims description 9
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 150000002191 fatty alcohols Chemical class 0.000 claims description 7
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 6
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 6
- BHXIWUJLHYHGSJ-UHFFFAOYSA-N ethyl 3-ethoxypropanoate Chemical compound CCOCCC(=O)OCC BHXIWUJLHYHGSJ-UHFFFAOYSA-N 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 4
- ZTMNRKZFOYFOIE-UHFFFAOYSA-N 1-butoxyhexyl acetate Chemical compound C(C)(=O)OC(CCCCC)OCCCC ZTMNRKZFOYFOIE-UHFFFAOYSA-N 0.000 claims description 3
- RWNUSVWFHDHRCJ-UHFFFAOYSA-N 1-butoxypropan-2-ol Chemical compound CCCCOCC(C)O RWNUSVWFHDHRCJ-UHFFFAOYSA-N 0.000 claims description 3
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 229920001213 Polysorbate 20 Polymers 0.000 claims description 3
- 229920001214 Polysorbate 60 Polymers 0.000 claims description 3
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 claims description 3
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 3
- 229930006000 Sucrose Natural products 0.000 claims description 3
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 claims description 3
- TTZKGYULRVDFJJ-GIVMLJSASA-N [(2r)-2-[(2s,3r,4s)-3,4-dihydroxyoxolan-2-yl]-2-[(z)-octadec-9-enoyl]oxyethyl] (z)-octadec-9-enoate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](OC(=O)CCCCCCC\C=C/CCCCCCCC)[C@H]1OC[C@H](O)[C@H]1O TTZKGYULRVDFJJ-GIVMLJSASA-N 0.000 claims description 3
- MBHRHUJRKGNOKX-UHFFFAOYSA-N [(4,6-diamino-1,3,5-triazin-2-yl)amino]methanol Chemical class NC1=NC(N)=NC(NCO)=N1 MBHRHUJRKGNOKX-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 150000008064 anhydrides Chemical class 0.000 claims description 3
- 235000019445 benzyl alcohol Nutrition 0.000 claims description 3
- IVKVYYVDZLZGGY-UHFFFAOYSA-K chromium(3+);octadecanoate Chemical compound [Cr+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O IVKVYYVDZLZGGY-UHFFFAOYSA-K 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 3
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 3
- 150000004665 fatty acids Chemical class 0.000 claims description 3
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 3
- ACCCMOQWYVYDOT-UHFFFAOYSA-N hexane-1,1-diol Chemical compound CCCCCC(O)O ACCCMOQWYVYDOT-UHFFFAOYSA-N 0.000 claims description 3
- 239000002480 mineral oil Substances 0.000 claims description 3
- 235000010446 mineral oil Nutrition 0.000 claims description 3
- 229940049964 oleate Drugs 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 229920005862 polyol Polymers 0.000 claims description 3
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 claims description 3
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 claims description 3
- 239000001818 polyoxyethylene sorbitan monostearate Substances 0.000 claims description 3
- 235000010989 polyoxyethylene sorbitan monostearate Nutrition 0.000 claims description 3
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 3
- ITCAUAYQCALGGV-XTICBAGASA-M sodium;(1r,4ar,4br,10ar)-1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylate Chemical compound [Na+].C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C([O-])=O ITCAUAYQCALGGV-XTICBAGASA-M 0.000 claims description 3
- 239000005720 sucrose Substances 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- 239000008399 tap water Substances 0.000 claims description 3
- 235000020679 tap water Nutrition 0.000 claims description 3
- VPBZZPOGZPKYKX-UHFFFAOYSA-N 1,2-diethoxypropane Chemical compound CCOCC(C)OCC VPBZZPOGZPKYKX-UHFFFAOYSA-N 0.000 claims 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000002994 raw material Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 5
- 238000009941 weaving Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000009940 knitting Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- JOLQKTGDSGKSKJ-UHFFFAOYSA-N 1-ethoxypropan-2-ol Chemical compound CCOCC(C)O JOLQKTGDSGKSKJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- ZQPPMHVWECSIRJ-KTKRTIGZSA-M oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC([O-])=O ZQPPMHVWECSIRJ-KTKRTIGZSA-M 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 206010020112 Hirsutism Diseases 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 239000007764 o/w emulsion Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
- D06M15/256—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons containing fluorine
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/35—Abrasion, pilling or fibrillation resistance
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
A process for preparing the sizing agent for nitride fibres includes such steps as adding 86-90 wt.% of water to 0.5-2.0 wt.% of primary slurry, stirring to obtain transparent solution, adding 0.5-2.0 wt.% of stabilizer, adding 0.5-2.0 wt.% of emulsifier, adding 2.0-4.0 wt.% of filming assistant, adding 2.0-4.0 wt.% of softening agent, and stirring. The design not only can promote the mechanical property and the surface property of the nitride fiber, but also has simple preparation and stable overall property.
Description
Technical Field
The invention relates to a special sizing agent for nitride fibers, belongs to the technical field of sizing agents, and particularly relates to a preparation method and an application method of the special sizing agent for nitride fibers.
Background
The nitride fiber has excellent performances of high temperature resistance, high strength, high modulus, creep resistance, ablation resistance, oxidation resistance, wave transmission, wave absorption and the like, and has application or application potential in the aspects of ultra-high speed accurate guidance radome, thermal protection systems of aerospace aircrafts, aerospace power, aerospace thermal structures, space structures and the like. In addition, the method has application value in the fields of nuclear fission reactor nuclear fuel cladding, nuclear fusion reactor first wall materials and the like.
However, nitride ceramic fibers have problems such as high brittleness and low mechanical strength. In the preparation process, the problems of fiber breakage, broken filaments and the like can occur, so that on one hand, the abrasion of the fiber product in the packaging, transporting and knitting processes can be caused, and on the other hand, the subsequent technological processes such as fiber knitting and the like are not facilitated. In order to solve the problems, the surface of the nitride fiber is coated with sizing agent for sizing, so that the effects of protecting the fiber, reducing the filament quantity of the fiber and improving the knitting performance and mechanical property of the nitride fiber can be achieved. Therefore, development of a sizing agent excellent in performance has become particularly important.
The surface physical and chemical properties of the nitride fiber are special, the requirement on the sizing agent is very high, the formula of the sizing agent belongs to top-grade commercial confidentiality, the formula of the sizing agent of foreign companies is difficult to find, the research of the nitride fiber in China starts later, and the development of the sizing agent suitable for the nitride fiber is less.
The disclosure of this background section is only intended to increase the understanding of the general background of the application and should not be taken as an admission or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to overcome the defect and problem of the prior art that a sizing agent capable of improving the mechanical property and the surface property of nitride fibers is lacking, and provides a preparation method and an application method of a special sizing agent for nitride fibers, which can improve the mechanical property and the surface property of the nitride fibers.
In order to achieve the above object, the technical solution of the present invention is: a method for preparing a sizing agent special for nitride fibers, comprising the following steps:
the first step: firstly, adding 86-90 parts by weight of water into 0.5-2.0 parts by weight of main slurry while stirring, continuing stirring at room temperature until a uniform transparent solution is formed after the addition, and adding 0.5-2.0 parts by weight of stabilizer at room temperature under high-speed shearing until the mixture is uniformly mixed to prepare a mixture system A;
and a second step of: adding 0.5-2.0 parts by weight of an emulsifier to the mixture system A at room temperature under high-speed shearing until the mixture system A is uniformly mixed to prepare a milky mixture system B;
and a third step of: adding 2.0 to 4.0 parts by weight of a film-forming auxiliary to the mixture system B at room temperature under high-speed shearing to obtain a mixture system C;
fourth step: firstly, adding 2.0-4.0 parts by weight of softening agent into the mixture system C under high-speed shearing at room temperature until the softening agent is uniformly mixed, and then standing to obtain the special sizing agent for the nitride fiber, wherein the sizing agent is milky white.
In the first step, the amount of the main slurry is 1.3 parts by weight, the amount of the water is 88 parts by weight, and the amount of the stabilizer is 1.25 parts by weight;
in the second step, the emulsifier is 1.3 parts by weight;
in the third step, 3 parts by weight of the film forming auxiliary agent;
in the fourth step, the softener is 3 parts by weight.
In the first step, the parameters of continuous stirring are 1000-2400 r/min, and the parameters of high-rotation-speed shearing are 5000-30000 r/min;
in the second step, the high-rotation-speed shearing parameter is 5000-30000 r/min;
in the third step, the high-rotation-speed shearing parameter is 5000-30000 r/min;
in the fourth step, the high-rotation-speed shearing parameter is 5000-30000 r/min.
The main sizing agent is ethylene acrylic acid copolymer (EAA) special high molecular emulsion, and the model is TL-205.
The water, the stabilizer, the emulsifier, the film forming auxiliary agent and the softener are any combination after the following single selection;
the water is any one of deionized water, pure water, tap water and distilled water;
the stabilizer is any one of paraffin-aluminum base, methylol melamine derivative, chromium stearate complex, pyridine quaternary ammonium salt, organic silicon, fluorocarbon and fluorine-free;
the emulsifier is any one of polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan dioleate, polyoxyethylene sorbitan monostearate, polyoxyethylene glycerol monolaurate, oleate, polyoxyethylene sucrose monooleate, alkylphenol polyoxyethylene ether, polyoxyethylene fatty amine, polyethylene glycol fatty acid ester, sodium oleate, sodium abietate, sodium alkyl sulfate, sodium dodecyl benzene sulfonate, dialkyl sulfosuccinate and fatty alcohol polyoxyethylene ether;
the film forming auxiliary agent is any one of benzyl alcohol BA, ethylene glycol, propylene glycol, hexanediol, texano alcohol ester, ethylene glycol butyl ether EB, propylene glycol methyl ether PM, propylene glycol ethyl ether, propylene glycol butyl ether and the like, hexanediol butyl ether acetate, 3-ethoxypropionic acid ethyl ester EEP and dodecanol ester;
the softening agent is any one of non-surface active mineral oil, higher fatty alcohol ester, surfactant sulfuric acid ester or sulfonate compound, fatty acid polyol ester, fatty acid diethanolamide, anhydride derivative, epoxy derivative, high polymer emulsion comprising polyethylene emulsion and organosilicon, and polyethylene emulsion.
The water is deionized water, the stabilizer is fluorocarbon copolymer, the emulsifier is fatty alcohol polyoxyethylene ether, the film forming auxiliary agent is dodecanol ester, and the softener is polyethylene emulsion.
The room temperature is 23-27 ℃.
The application method of the special sizing agent for the nitride fiber comprises the steps of coating the sizing agent on the surface of the nitride fiber to be treated or soaking the nitride fiber in the sizing agent after the coating is finished or after the soaking is finished to obtain an intermediate, and drying the intermediate to obtain the treated fiber, wherein the sizing rate of the treated fiber is 0.5% -1.5%.
The sizing rate of the treated fiber was 1.0%.
The soaking time was 2 minutes.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a preparation method and an application method of a special sizing agent for nitride fibers, wherein the preparation of the sizing agent mainly comprises the sequential addition of main sizing agent, water, stabilizing agent, emulsifying agent, film forming auxiliary agent and softening agent, the limitation of addition conditions and the limitation of the dosage of various raw materials until the raw materials are uniformly mixed, and then standing is carried out to obtain the special sizing agent for nitride fibers, wherein the sizing agent is milky white and belongs to water-soluble emulsion sizing agents, and the preparation method has the advantages that: firstly, after the sizing agent is used for sizing nitride fibers, the interface can be effectively improved, a good protection effect is achieved on the fiber interface, loose fiber monofilaments can be effectively gathered into a bundle, the tensile strength, softness, friction resistance and the like of the fibers are improved, the quantity of broken filaments of the fibers is effectively reduced, the bundling property is improved, and the follow-up weaving processing of the fiber bundles is facilitated; secondly, the preparation process is simple, the operation is easy, no special environment is needed, if the heating process is needed, the raw materials are easy to obtain, and the price is low; and the sizing agent prepared by the invention is stable and uniform in milky white, and does not generate phenomena of demulsification, flocculation, coagulation, layering and the like after being placed for a long time at room temperature, such as 25 ℃, and has good storage performance. Therefore, the invention not only can improve the mechanical property and the surface property of the nitride fiber, but also has simple preparation and stable overall property.
2. The raw materials used in the preparation method and the application method of the special sizing agent for the nitride fiber comprise main sizing agent, water, stabilizing agent, emulsifying agent, film forming auxiliary agent and softening agent, which are all nontoxic and harmful raw materials, and meanwhile, the whole preparation process is carried out at normal temperature, so that no harmful waste gas or waste liquid is generated, the environment is not polluted, and the health of operators is not endangered. Therefore, the invention has stronger environmental protection.
3. The main sizing agent is preferably ethylene acrylic acid copolymer (EAA) special polymer emulsion, the model is TL-205, the special polymer emulsion contains vinyl and acrylic acid groups, is light-colored semitransparent emulsion, has a pH value of 8.0-10.0, a solid content of 15-25%, and a melting point of 75-85 ℃, is soluble in water, has better adhesion to fibers, good film forming property, good film stiffness and toughness and high tensile strength, has carboxylic acid groups, can improve the film forming stability through a crosslinking reaction, improves the interfacial property of a final product sizing agent to the fibers, endows the sizing agent with good wettability on the surfaces of the fibers, has better matching use effect with polyethylene emulsion (softening agent), can facilitate uniform film forming of the sizing agent on the surfaces of the fibers, and improves the strength and flexibility of the yarns. Therefore, the invention limits the main sizing agent, not only can improve the mechanical property and the surface property of the final product for the nitride fiber, but also can cooperate with other raw materials, thereby being convenient for obtaining better overall effect.
4. According to the preparation method and the application method of the special sizing agent for the nitride fiber, when the special sizing agent is applied, the sizing rate of the treated fiber is 0.5% -1.5%, preferably 1.0%, so that the special sizing agent can effectively protect the nitride fiber through lower sizing rate, improve the wear resistance and tensile property of the special sizing agent, enable the fiber to have the capability of resisting friction during weaving, avoid the defect that the fiber is more fragile and hard and is easy to bend and damage during weaving caused by over-high sizing rate, and simultaneously, the sizing agent has the advantages of low sizing rate and short film forming time, has the advantage of being short in time, can be used for carrying out good surface modification on the nitride fiber, is short in sizing time, directly causes the drying time, and is beneficial to shortening the operation time of the whole application process. Therefore, the invention has low sizing rate, short film forming time and good sizing modification effect.
5. In the preparation method and the application method of the special sizing agent for the nitride fiber, when the special sizing agent is applied, the sizing rate of the treated fiber is 0.5% -1.5%, preferably 1.0%, and the technical characteristics are that the advantages of the sizing rate per se are brought about, the advantages can be improved on the residual weight rate, the residual weight rate= (the mass of the sized fiber after high-temperature calcination-the original mass of the fiber)/the mass of the sized fiber multiplied by 100%, and the advantages of the residual weight rate can be fully exerted, so that the special sizing agent for the nitride fiber belongs to the high-temperature resistant ceramic fiber, and can be better applied to a thermal protection system of an aerospace vehicle or a thermal protection system of a radar protection cover. Therefore, the residual weight rate of the invention is better.
Drawings
FIG. 1 is a schematic view of the long-term storage stability of a sizing agent made in accordance with the present invention.
Fig. 2 is an SEM image of a sizing agent made in accordance with the present invention after sizing on nitride fibers.
Fig. 3 is a schematic drawing showing a tensile strength test of the sizing agent prepared according to the present invention after sizing the nitride fiber.
FIG. 4 is a schematic diagram of a test of the amount of hairiness of the sizing agent of the present invention after sizing the nitride fiber.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 4, a method for preparing a sizing agent special for nitride fibers, the method comprising the steps of:
the first step: firstly, adding 86-90 parts by weight of water into 0.5-2.0 parts by weight of main slurry while stirring, continuing stirring at room temperature until a uniform transparent solution is formed after the addition, and adding 0.5-2.0 parts by weight of stabilizer at room temperature under high-speed shearing until the mixture is uniformly mixed to prepare a mixture system A;
and a second step of: adding 0.5-2.0 parts by weight of an emulsifier to the mixture system A at room temperature under high-speed shearing until the mixture system A is uniformly mixed to prepare a milky mixture system B;
and a third step of: adding 2.0 to 4.0 parts by weight of a film-forming auxiliary to the mixture system B at room temperature under high-speed shearing to obtain a mixture system C;
fourth step: firstly, adding 2.0-4.0 parts by weight of softening agent into the mixture system C under high-speed shearing at room temperature until the softening agent is uniformly mixed, and then standing to obtain the special sizing agent for the nitride fiber, wherein the sizing agent is milky white.
In the first step, the amount of the main slurry is 1.3 parts by weight, the amount of the water is 88 parts by weight, and the amount of the stabilizer is 1.25 parts by weight;
in the second step, the emulsifier is 1.3 parts by weight;
in the third step, 3 parts by weight of the film forming auxiliary agent;
in the fourth step, the softener is 3 parts by weight.
In the first step, the parameters of continuous stirring are 1000-2400 r/min, and the parameters of high-rotation-speed shearing are 5000-30000 r/min;
in the second step, the high-rotation-speed shearing parameter is 5000-30000 r/min;
in the third step, the high-rotation-speed shearing parameter is 5000-30000 r/min;
in the fourth step, the high-rotation-speed shearing parameter is 5000-30000 r/min.
The main sizing agent is ethylene acrylic acid copolymer (EAA) special high molecular emulsion, and the model is TL-205.
The water, the stabilizer, the emulsifier, the film forming auxiliary agent and the softener are any combination after the following single selection;
the water is any one of deionized water, pure water, tap water and distilled water;
the stabilizer is any one of paraffin-aluminum base, methylol melamine derivative, chromium stearate complex, pyridine quaternary ammonium salt, organic silicon, fluorocarbon and fluorine-free;
the emulsifier is any one of polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan dioleate, polyoxyethylene sorbitan monostearate, polyoxyethylene glycerol monolaurate, oleate, polyoxyethylene sucrose monooleate, alkylphenol polyoxyethylene ether, polyoxyethylene fatty amine, polyethylene glycol fatty acid ester, sodium oleate, sodium abietate, sodium alkyl sulfate, sodium dodecyl benzene sulfonate, dialkyl sulfosuccinate and fatty alcohol polyoxyethylene ether;
the film forming auxiliary agent is any one of benzyl alcohol BA, ethylene glycol, propylene glycol, hexanediol, texano alcohol ester, ethylene glycol butyl ether EB, propylene glycol methyl ether PM, propylene glycol ethyl ether, propylene glycol butyl ether and the like, hexanediol butyl ether acetate, 3-ethoxypropionic acid ethyl ester EEP and dodecanol ester;
the softening agent is any one of non-surface active mineral oil, higher fatty alcohol ester, surfactant sulfuric acid ester or sulfonate compound, fatty acid polyol ester, fatty acid diethanolamide, anhydride derivative, epoxy derivative, high polymer emulsion comprising polyethylene emulsion and organosilicon, and polyethylene emulsion.
The water is deionized water, the stabilizer is fluorocarbon copolymer, the emulsifier is fatty alcohol polyoxyethylene ether, the film forming auxiliary agent is dodecanol ester, and the softener is polyethylene emulsion.
The room temperature is 23-27 ℃.
The application method of the special sizing agent for the nitride fiber comprises the steps of coating the sizing agent on the surface of the nitride fiber to be treated or soaking the nitride fiber in the sizing agent after the coating is finished or after the soaking is finished to obtain an intermediate, and drying the intermediate to obtain the treated fiber, wherein the sizing rate of the treated fiber is 0.5% -1.5%.
The sizing rate of the treated fiber was 1.0%.
The soaking time was 2 minutes.
The principle of the invention is explained as follows:
the film forming aid in the present invention is preferably a dodecanol ester, which has advantages for use in the present invention including: (1) the addition of the film forming aid can reduce the Minimum Film Forming Temperature (MFFT); (2) the film forming auxiliary agent is a high-boiling point organic compound with larger molecular weight, has low migration speed and low volatilization rate, can fully contact and infiltrate the sizing agent with the fiber, ensures that the sizing effect is not only that the sizing agent stays on the surface of the fiber bundle filament, but also enters the fiber monofilament, fully sizes each fiber, ensures that the filaments inside the fiber are not bonded together, and can uniformly form a film between the filaments inside the fiber, thereby achieving better sizing effect. (3) In designing the sizing formulation, it is important to consider the layering phenomenon of the emulsion, the aqueous emulsion is a two-phase system, mainly an aqueous phase and a polymer phase, the concentration of the film forming auxiliary agent mainly depends on the hydrophilic and lipophilic balance of the polymer and the solvent, and the film forming auxiliary agent is closely involved in the film forming process to determine the degree of coalescence of polymer latex particles into a complete continuous film, thereby determining the performance of the fiber after sizing.
The emulsifier in the invention is preferably fatty alcohol polyoxyethylene ether, and forms oil-in-water emulsion with oil-soluble dodecyl alcohol ester (the film forming auxiliary agent is dodecyl alcohol ester), so that the sizing agent forms a uniform and stable system.
The stabilizer in the invention is preferably fluorocarbon copolymer, which endows the emulsion with excellent stability, and the fiber has water and oil repellent performance after sizing.
The softening agent in the invention is preferably a polyethylene emulsion, which imparts good softness and smoothness to the fiber.
The reason why the high-speed shearing parameter is limited to 5000-30000 r/min in the invention is that: too low a rotational speed, the emulsion is not uniformly dispersed, the components of the emulsion cannot be well mixed uniformly, the treatment time is long, and too high a rotational speed, the emulsion is easy to splash out, the machine is damaged, and the energy consumption is increased.
Example 1:
a method for preparing a sizing agent special for nitride fibers, comprising the following steps:
the first step: firstly, adding 91 parts by weight of water into 0.5 part by weight of main slurry (namely film forming agent) dropwise while stirring, continuing stirring at room temperature until a uniform transparent solution is formed after the dropwise addition is finished, and adding 2.0 parts by weight of stabilizing agent under high-speed shearing at room temperature until the mixture is uniformly mixed to prepare a mixture system A;
and a second step of: adding 0.5 weight part of emulsifier into the mixture system A under high-speed shearing at room temperature until the mixture system A is uniformly mixed to prepare a milky mixture system B;
and a third step of: adding 4.0 parts by weight of a film forming auxiliary to the mixture system B at room temperature under high-speed shearing to obtain a mixture system C;
fourth step: firstly, adding 2.0 parts by weight of softening agent into a mixture system C under high-rotation-speed shearing at room temperature until the softening agent is uniformly mixed, and standing to obtain the special sizing agent for the nitride fiber, wherein the sizing agent is milky white and named sizing agent 01.
Meanwhile, according to the same preparation method, sizing agent 02, sizing agent 03, sizing agent 04 and sizing agent 05 are respectively obtained as follows:
sizing agent 02: 0.5 part of film forming agent, 4 parts of film forming auxiliary agent, 0.5 part of emulsifying agent, 2 parts of stabilizing agent, 2.5 parts of softening agent and 90.5 parts of deionized water.
Sizing agent 03: 0.5 part of film forming agent, 4 parts of film forming auxiliary agent, 0.5 part of emulsifying agent, 2 parts of stabilizing agent, 3 parts of softening agent and 90 parts of deionized water.
Sizing agent 04: 0.5 part of film forming agent, 4 parts of film forming auxiliary agent, 0.5 part of emulsifying agent, 2 parts of stabilizing agent, 3.5 parts of softening agent and 89.5 parts of deionized water.
Sizing agent 05: 0.5 part of film forming agent, 4 parts of film forming auxiliary agent, 0.5 part of emulsifying agent, 2 parts of stabilizing agent, 4 parts of softening agent and 89 parts of deionized water.
Referring to FIG. 1, the storage stability of the above 5 sizing agents was studied, and the results showed that the prepared sizing agents were all in a stable and uniform milky white shape, and the phenomena of demulsification, flocculation, coagulation, delamination, etc. were not substantially occurred after long-term storage at room temperature (25 ℃), thus showing that the obtained sizing agents all had good storage stability.
And coating the sizing agent on the surface of the nitride fiber to be treated or soaking the nitride fiber in the sizing agent, obtaining an intermediate after coating or soaking, and drying the intermediate to obtain the treated fiber.
Sizing percentage= (fiber mass after sizing drying-fiber mass before sizing)/fiber mass before sizing x 100%. Sizing rates for the 5 sizing agents are shown in the following table:
| sample name | Sizing agent 01 | Sizing agent 02 | Sizing agent 03 | Sizing agent 04 | Sizing agent 05 |
| Sizing percentage | 1.0％ | 0.8％ | 1.0％ | 0.9％ | 0.9％ |
Nitride fibers are relatively brittle, and in actual weaving, the fibers are subject to relatively large damage due to repeated friction and bending, and the ability of the fibers to withstand such damage determines the weaving adaptability of the fibers. Therefore, it is important to examine the difference of the wear resistance before and after sizing, and the wear resistance is also an important reference for examining the performance of sizing agents, and the method comprises the following steps:
the nitride fiber is uniformly cut into fiber segments with the length of 100cm, the fiber is respectively immersed into the 5 sizing agent solutions for 10min, the fiber is taken out and dried (dried for 2min at 140 ℃), the wear resistance is referred to FZ/T01058-1999 'reciprocating grinding roller method of yarn wear resistance test method', and the movement time when the fiber is broken is recorded as the wear resistance time, which is specifically as follows:
example 2:
the basic operation is the same as the preparation method of sizing agent 01 in example 1, except that the usage amount of the film forming agent is 0.5 part of the film forming agent, 1.0 part of the film forming agent, 1.5 parts of the film forming agent and 2.0 parts of the film forming agent respectively.
Referring to fig. 2, a SEM image of the 4 sizing agents above after sizing the nitride fibers is compared to the original nitride fibers.
Example 3:
referring to fig. 3, the basic operation is the same as that of the preparation method of sizing agent 01 in example 1, except that the amounts of the film-forming aids are respectively: 2.0 parts of film forming auxiliary agent, 2.5 parts of film forming auxiliary agent, 3.0 parts of film forming auxiliary agent, 3.5 parts of film forming auxiliary agent and 4.0 parts of film forming auxiliary agent.
After the 5 sizing agents are sized on the nitride fiber, tensile strength tests are respectively carried out, and the tensile performance is greatly improved compared with the nitride fiber adopting the sizing agents.
Example 4:
referring to fig. 4, the basic operation is the same as the preparation method of sizing agent 01 in example 1, except that the amounts of the film forming agents are respectively:
0.5 part of film forming agent, 1.0 part of film forming agent, 1.5 parts of film forming agent and 2.0 parts of film forming agent.
After sizing the nitride fibers with the 4 sizing agents, the fiber friction filament amounts were compared to examine the fiber friction resistance, comprising the following steps:
firstly, 100cm long nitride fiber bundles are taken and clamped in polyurethane sponge (the sponge size is 60 multiplied by 50 multiplied by 20 mm), a weight with the mass of 200g is placed on the sponge to apply certain pressure, then the nitride fibers are horizontally moved at the speed of 1m/min until the fibers completely pass through the polyurethane sponge, the mass of the polyurethane sponge before and after the nitride fiber bundles pass through friction is evenly weighed by using an electronic day, the difference value is calculated, each group of samples are measured for 10 times, and the average value is taken as the friction yarn quantity of the nitride fibers, and referring to fig. 4, which is a comparison test picture, the yarn quantity of the nitride fibers after sizing is relatively less.
The above description is merely of preferred embodiments of the present invention, and the scope of the present invention is not limited to the above embodiments, but all equivalent modifications or variations according to the present disclosure will be within the scope of the claims.
Claims (8)
1. A preparation method of a special sizing agent for nitride fibers is characterized by comprising the following steps: the preparation method comprises the following steps:
the first step: firstly, adding 86-90 parts by weight of water into 0.5-2.0 parts by weight of main slurry while stirring, continuing stirring at room temperature until a uniform transparent solution is formed after the addition, and adding 0.5-2.0 parts by weight of stabilizer at room temperature under high-speed shearing until the mixture is uniformly mixed to prepare a mixture system A;
and a second step of: adding 0.5-2.0 parts by weight of an emulsifier to the mixture system A at room temperature under high-speed shearing until the mixture system A is uniformly mixed to prepare a milky mixture system B;
and a third step of: adding 2.0 to 4.0 parts by weight of a film-forming auxiliary to the mixture system B at room temperature under high-speed shearing to obtain a mixture system C;
fourth step: firstly, adding 2.0-4.0 parts by weight of softening agent into a mixture system C under high-rotation-speed shearing at room temperature until the softening agent is uniformly mixed, and standing to obtain the special sizing agent for the nitride fibers, wherein the sizing agent is milky white;
the main sizing agent is ethylene acrylic acid copolymer (EAA) special high molecular emulsion, and the model is TL-205;
the water, the stabilizer, the emulsifier, the film forming auxiliary agent and the softener are any combination after the following single selection;
the water is any one of deionized water, pure water, tap water and distilled water;
the stabilizer is any one of paraffin-aluminum base, methylol melamine derivative, chromium stearate complex, pyridine quaternary ammonium salt, organic silicon, fluorocarbon and fluorine-free;
the emulsifier is any one of polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan dioleate, polyoxyethylene sorbitan monostearate, polyoxyethylene glycerol monolaurate, oleate, polyoxyethylene sucrose monooleate, alkylphenol polyoxyethylene ether, polyoxyethylene fatty amine, polyethylene glycol fatty acid ester, sodium oleate, sodium abietate, sodium alkyl sulfate, sodium dodecyl benzene sulfonate, dialkyl sulfosuccinate and fatty alcohol polyoxyethylene ether;
the film forming auxiliary agent is any one of benzyl alcohol BA, ethylene glycol, propylene glycol, hexanediol, texano alcohol ester, ethylene glycol butyl ether EB, propylene glycol methyl ether PM, propylene glycol diethyl ether, propylene glycol butyl ether, hexanediol butyl ether acetate, 3-ethoxypropionic acid ethyl ester EEP and dodecanol ester;
the softening agent is any one of non-surface active mineral oil, higher fatty alcohol ester, surfactant sulfuric acid ester or sulfonate compound, fatty acid polyol ester, fatty acid diethanolamide, anhydride derivative, epoxy derivative, high polymer emulsion comprising polyethylene emulsion and organosilicon, and polyethylene emulsion.
2. The method for preparing the special sizing agent for nitride fibers according to claim 1, wherein the method comprises the following steps:
in the first step, the amount of the main slurry is 1.3 parts by weight, the amount of the water is 88 parts by weight, and the amount of the stabilizer is 1.25 parts by weight;
in the second step, the emulsifier is 1.3 parts by weight;
in the third step, 3 parts by weight of the film forming auxiliary agent;
in the fourth step, the softener is 3 parts by weight.
3. The method for preparing a sizing agent special for nitride fibers according to claim 1 or 2, characterized in that:
in the first step, the parameters of continuous stirring are 1000-2400 r/min, and the parameters of high-rotation-speed shearing are 5000-30000 r/min;
in the second step, the high-rotation-speed shearing parameter is 5000-30000 r/min;
in the third step, the high-rotation-speed shearing parameter is 5000-30000 r/min;
in the fourth step, the high-rotation-speed shearing parameter is 5000-30000 r/min.
4. The method for preparing a sizing agent special for nitride fibers according to claim 1 or 2, characterized in that: the water is deionized water, the stabilizer is fluorocarbon copolymer, the emulsifier is fatty alcohol polyoxyethylene ether, the film forming auxiliary agent is dodecanol ester, and the softener is polyethylene emulsion.
5. The method for preparing a sizing agent special for nitride fibers according to claim 1 or 2, characterized in that: the room temperature is 23-27 ℃.
6. The application method of the special sizing agent for the nitride fiber is characterized by comprising the following steps of: after obtaining the special sizing agent for the nitride fiber prepared in the above claim 1, the sizing agent is coated on the surface of the nitride fiber to be treated or the nitride fiber is soaked in the sizing agent, an intermediate is obtained after the coating or the soaking is finished, and the intermediate is dried to obtain the treated fiber, wherein the sizing rate of the treated fiber is 0.5% -1.5%.
7. The method for applying a sizing agent special for nitride fibers according to claim 6, wherein the method comprises the following steps: the sizing rate of the treated fiber was 1.0%.
8. The method for applying a sizing agent special for nitride fibers according to claim 6, wherein the method comprises the following steps: the soaking time was 2 minutes.
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