JP2022186349A - Treatment agent for synthetic fibers, and synthetic fiber - Google Patents
Treatment agent for synthetic fibers, and synthetic fiber Download PDFInfo
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- JP2022186349A JP2022186349A JP2021094516A JP2021094516A JP2022186349A JP 2022186349 A JP2022186349 A JP 2022186349A JP 2021094516 A JP2021094516 A JP 2021094516A JP 2021094516 A JP2021094516 A JP 2021094516A JP 2022186349 A JP2022186349 A JP 2022186349A
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 94
- 229920002994 synthetic fiber Polymers 0.000 title claims abstract description 75
- 239000012209 synthetic fiber Substances 0.000 title claims abstract description 75
- -1 amine compound Chemical class 0.000 claims abstract description 112
- 150000001412 amines Chemical class 0.000 claims abstract description 38
- 238000009499 grossing Methods 0.000 claims abstract description 38
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 18
- 150000001875 compounds Chemical class 0.000 claims abstract description 15
- 150000002430 hydrocarbons Chemical group 0.000 claims description 32
- 125000004432 carbon atom Chemical group C* 0.000 claims description 29
- 229920001296 polysiloxane Polymers 0.000 claims description 28
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 25
- 239000004917 carbon fiber Substances 0.000 claims description 25
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 22
- 125000005702 oxyalkylene group Chemical group 0.000 claims description 22
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 12
- 239000002243 precursor Substances 0.000 claims description 9
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 4
- 229910052799 carbon Inorganic materials 0.000 abstract 4
- 125000001183 hydrocarbyl group Chemical group 0.000 abstract 3
- 238000009987 spinning Methods 0.000 description 23
- 238000000034 method Methods 0.000 description 21
- 239000000835 fiber Substances 0.000 description 17
- 125000002924 primary amino group Chemical class [H]N([H])* 0.000 description 11
- 238000012360 testing method Methods 0.000 description 10
- 239000012298 atmosphere Substances 0.000 description 7
- 238000004804 winding Methods 0.000 description 7
- 238000000280 densification Methods 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000002166 wet spinning Methods 0.000 description 5
- 229920002972 Acrylic fiber Polymers 0.000 description 4
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 229920002545 silicone oil Polymers 0.000 description 4
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 3
- 238000010000 carbonizing Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 2
- XSWSEQPWKOWORN-UHFFFAOYSA-N dodecan-2-ol Chemical compound CCCCCCCCCCC(C)O XSWSEQPWKOWORN-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 150000002191 fatty alcohols Chemical class 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 150000003138 primary alcohols Chemical class 0.000 description 2
- 229930195734 saturated hydrocarbon Natural products 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- BRGJIIMZXMWMCC-UHFFFAOYSA-N tetradecan-2-ol Chemical compound CCCCCCCCCCCCC(C)O BRGJIIMZXMWMCC-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Chemical group CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 229920002821 Modacrylic Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000000304 alkynyl group Chemical group 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 125000001204 arachidyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000012461 cellulose resin Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 125000003493 decenyl group Chemical group [H]C([*])=C([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 125000005066 dodecenyl group Chemical group C(=CCCCCCCCCCC)* 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 125000002960 margaryl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000005187 nonenyl group Chemical group C(=CCCCCCCC)* 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000005064 octadecenyl group Chemical group C(=CCCCCCCCCCCCCCCCC)* 0.000 description 1
- 125000004365 octenyl group Chemical group C(=CCCCCCC)* 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 125000000467 secondary amino group Chemical class [H]N([*:1])[*:2] 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003509 tertiary alcohols Chemical class 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 125000005063 tetradecenyl group Chemical group C(=CCCCCCCCCCCCC)* 0.000 description 1
- 125000005040 tridecenyl group Chemical group C(=CCCCCCCCCCCC)* 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 125000005065 undecenyl group Chemical group C(=CCCCCCCCCC)* 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- D06M13/322—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 nitrogen
- D06M13/325—Amines
-
- 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
- D06M13/165—Ethers
-
- 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
- D06M13/165—Ethers
- D06M13/17—Polyoxyalkyleneglycol ethers
-
- 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
- D06M13/244—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 sulfur or phosphorus
-
- 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
- D06M13/322—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 nitrogen
- D06M13/325—Amines
- D06M13/328—Amines the amino group being bound to an acyclic or cycloaliphatic carbon atom
-
- 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
- D06M13/322—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 nitrogen
- D06M13/372—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 nitrogen containing etherified or esterified hydroxy groups ; Polyethers of low molecular weight
-
- 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
-
- 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
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
-
- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
-
- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/26—Polymers or copolymers of unsaturated carboxylic acids or derivatives thereof
- D06M2101/28—Acrylonitrile; Methacrylonitrile
Abstract
Description
本発明は、合成繊維用処理剤、及び合成繊維に関する。 TECHNICAL FIELD The present invention relates to a treatment agent for synthetic fibers and synthetic fibers.
例えば、合成繊維は、アクリル樹脂等を紡糸する紡糸工程を行なうことにより製造される。
紡糸工程を経た繊維の集束性（以下、紡糸集束性ともいう。）を向上させるために、紡糸工程において、合成繊維用処理剤が用いられることがある。
For example, synthetic fibers are produced by performing a spinning process of spinning acrylic resin or the like.
A processing agent for synthetic fibers is sometimes used in the spinning process in order to improve the bundling property of the fibers that have passed through the spinning step (hereinafter also referred to as spinning bundling property).
特許文献１には、非イオン界面活性剤、及び平滑剤を含有する合成繊維用処理剤が開示されている。 Patent Document 1 discloses a treatment agent for synthetic fibers containing a nonionic surfactant and a smoothing agent.
ところで、紡糸集束性が向上すると、合成繊維の製造工程においてローラーへの巻き付け等を抑制することができるため、合成繊維の製造を効率良く行うことが可能になる。さらに、合成繊維の品質向上にも寄与することができる。そのため、合成繊維用処理剤には、紡糸集束性のさらなる性能向上が求められている。 By the way, if the spinning convergence is improved, it is possible to suppress the winding around rollers in the manufacturing process of synthetic fibers, so that it is possible to manufacture synthetic fibers efficiently. Furthermore, it can contribute to quality improvement of synthetic fibers. Therefore, a further improvement in the performance of the spinning bundle property is required for the treatment agent for synthetic fibers.
上記課題を解決するための合成繊維用処理剤は、下記のアミン誘導体（Ａ）、及び平滑剤（Ｂ）を含有することを要旨とする。
アミン誘導体（Ａ）：炭素数８以上２０以下の炭化水素基を有するアミン化合物（Ａ１）と、前記アミン化合物（Ａ１）の炭化水素基とは炭素数の異なる炭素数８以上２０以下の炭化水素基を有するアミン化合物（Ａ２）との合計１モルに対し、炭素数２以上４以下のアルキレンオキサイドを合計で１モル以上３０モル以下の割合で付加させた化合物。
The gist of the synthetic fiber treatment agent for solving the above problems is that it contains the following amine derivative (A) and smoothing agent (B).
Amine derivative (A): an amine compound (A1) having a hydrocarbon group having 8 to 20 carbon atoms and a hydrocarbon having 8 to 20 carbon atoms different from the hydrocarbon group of the amine compound (A1) A compound obtained by adding an alkylene oxide having 2 to 4 carbon atoms at a ratio of 1 to 30 mol in total with respect to 1 mol in total with the amine compound (A2) having a group.
上記合成繊維用処理剤について、前記アルキレンオキサイドが、エチレンオキサイドを含有することが好ましい。
上記合成繊維用処理剤について、前記平滑剤（Ｂ）が、アミノ変性シリコーンを含むものであることが好ましい。
In the synthetic fiber treatment agent, the alkylene oxide preferably contains ethylene oxide.
In the synthetic fiber treatment agent, the smoothing agent (B) preferably contains an amino-modified silicone.
上記合成繊維用処理剤について、前記アミン誘導体（Ａ）、及び前記平滑剤（Ｂ）の含有割合の合計を１００質量％とすると、前記アミン誘導体（Ａ）を３質量％以上５０質量％以下、及び前記平滑剤（Ｂ）を５０質量％以上９７質量％以下の割合で含有することが好ましい。 Assuming that the total content of the amine derivative (A) and the smoothing agent (B) in the synthetic fiber treatment agent is 100% by mass, the amine derivative (A) is 3% by mass or more and 50% by mass or less, And it is preferable to contain the smoothing agent (B) at a ratio of 50% by mass or more and 97% by mass or less.
上記合成繊維用処理剤について、更に、下記の（ポリ）オキシアルキレン誘導体（Ｃ）を含有することが好ましい。
（ポリ）オキシアルキレン誘導体（Ｃ）：炭素数４以上のアルキル鎖のβ位にヒドロキシ基を有する一価脂肪族アルコール１モルに対し、炭素数２以上４以下のアルキレンオキサイドを合計で１モル以上３０モル以下の割合で付加させた化合物。
The synthetic fiber treatment agent preferably further contains the following (poly)oxyalkylene derivative (C).
(Poly) oxyalkylene derivative (C): a total of 1 mol or more of an alkylene oxide having 2 to 4 carbon atoms per 1 mol of a monohydric aliphatic alcohol having a hydroxy group at the β-position of an alkyl chain having 4 or more carbon atoms A compound added at a ratio of 30 mol or less.
上記合成繊維用処理剤について、前記アミン誘導体（Ａ）、前記平滑剤（Ｂ）、及び前記（ポリ）オキシアルキレン誘導体（Ｃ）の含有割合の合計を１００質量％とすると、前記アミン誘導体（Ａ）を３質量％以上４０質量％以下、前記平滑剤（Ｂ）を２０質量％以上９４質量％以下、及び前記（ポリ）オキシアルキレン誘導体（Ｃ）を３質量％以上５０質量％以下の割合で含有することが好ましい。 Regarding the synthetic fiber treatment agent, when the total content of the amine derivative (A), the smoothing agent (B), and the (poly)oxyalkylene derivative (C) is 100% by mass, the amine derivative (A ) from 3% by mass to 40% by mass, the smoothing agent (B) from 20% by mass to 94% by mass, and the (poly)oxyalkylene derivative (C) from 3% by mass to 50% by mass. It is preferable to contain.
上記合成繊維用処理剤について、前記合成繊維が、炭素繊維前駆体であることが好ましい。
上記課題を解決するための合成繊維は、上記合成繊維用処理剤が付着していることを要旨とする。
In the synthetic fiber treatment agent, the synthetic fiber is preferably a carbon fiber precursor.
The gist of the synthetic fiber for solving the above problems is that the synthetic fiber treatment agent is adhered thereto.
本発明によると、合成繊維の紡糸集束性を向上させることができる。 According to the present invention, the spinning convergence of synthetic fibers can be improved.
（第１実施形態）
本発明に係る合成繊維用処理剤（以下、単に処理剤ともいう。）を具体化した第１実施形態について説明する。
(First embodiment)
A first embodiment of a processing agent for synthetic fibers (hereinafter also simply referred to as a processing agent) according to the present invention will be described.
処理剤は、下記のアミン誘導体（Ａ）、及び平滑剤（Ｂ）を含有する。
アミン誘導体（Ａ）：炭素数８以上２０以下の炭化水素基を有するアミン化合物（Ａ１）と、アミン化合物（Ａ１）の炭化水素基とは炭素数の異なる炭素数８以上２０以下の炭化水素基を有するアミン化合物（Ａ２）との合計１モルに対し、炭素数２以上４以下のアルキレンオキサイドを合計で１モル以上３０モル以下の割合で付加させた化合物。
The processing agent contains the following amine derivative (A) and smoothing agent (B).
Amine derivative (A): an amine compound (A1) having a hydrocarbon group having 8 to 20 carbon atoms and a hydrocarbon group having 8 to 20 carbon atoms different from the hydrocarbon group of the amine compound (A1) A compound obtained by adding an alkylene oxide having 2 to 4 carbon atoms at a ratio of 1 to 30 mol in total with respect to 1 mol in total with the amine compound (A2) having
処理剤が、上記のアミン誘導体（Ａ）、及び平滑剤（Ｂ）を含有することにより、合成繊維の紡糸集束性を向上させることができる。
上記アミン化合物（Ａ１）における炭素数８以上２０以下の炭化水素基としては、特に制限されず、直鎖の炭化水素基であっても、分岐鎖を有する炭化水素基であってもよい。また、飽和炭化水素基であっても、不飽和炭化水素基であってもよい。
By including the amine derivative (A) and the smoothing agent (B) in the treating agent, the spinning bundle property of the synthetic fiber can be improved.
The hydrocarbon group having 8 to 20 carbon atoms in the amine compound (A1) is not particularly limited, and may be a straight chain hydrocarbon group or a branched hydrocarbon group. Moreover, it may be a saturated hydrocarbon group or an unsaturated hydrocarbon group.
直鎖の炭化水素基の具体例としては、例えばオクチル基、ノニル基、デシル基、ウンデシル基、ドデシル基、トリデシル基、テトラデシル基、ペンタデシル基、ヘキサデシル基、ヘプタデシル基、オクタデシル基、イコシル基等が挙げられる。 Specific examples of linear hydrocarbon groups include octyl, nonyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, and icosyl groups. mentioned.
分岐鎖を有する飽和炭化水素基の具体例としては、例えばイソオクチル基、イソノニル基、イソデシル基、イソウンデシル基、イソドデシル基、イソトリデシル基、イソテトラデシル基、イソペンタデシル基、イソヘキサデシル基、イソヘプタデシル基、イソオクタデシル基、イソイコシル基等が挙げられる。 Specific examples of branched saturated hydrocarbon groups include isooctyl, isononyl, isodecyl, isoundecyl, isododecyl, isotridecyl, isotetradecyl, isopentadecyl, isohexadecyl, and isoheptadecyl groups. , isooctadecyl group, isoicosyl group, and the like.
不飽和炭化水素基としては、不飽和炭素結合として二重結合を１つ有するアルケニル基であっても、二重結合を２つ以上有するアルカジエニル基、アルカトリエニル基等であってもよい。また、不飽和炭素結合として三重結合を１つ有するアルキニル基であっても、三重結合を２つ以上有するアルカジイニル基等であってもよい。炭化水素基中に二重結合を１つ有する直鎖の不飽和炭化水素基の具体例としては、例えばオクテニル基、ノネニル基、デセニル基、ウンデセニル基、ドデセニル基、トリデセニル基、テトラデセニル基、ペンタデセニル基、ヘキサデセニル基、ヘプタデセニル基、オクタデセニル基、イコセニル基等が挙げられる。 The unsaturated hydrocarbon group may be an alkenyl group having one double bond as an unsaturated carbon bond, or an alkadienyl group or alkatrienyl group having two or more double bonds. Alternatively, an alkynyl group having one triple bond as an unsaturated carbon bond, an alkadiynyl group having two or more triple bonds, or the like may be used. Specific examples of linear unsaturated hydrocarbon groups having one double bond in the hydrocarbon group include octenyl, nonenyl, decenyl, undecenyl, dodecenyl, tridecenyl, tetradecenyl, and pentadecenyl groups. , hexadecenyl group, heptadecenyl group, octadecenyl group, icosenyl group and the like.
炭化水素基中に二重結合を１つ有する分岐鎖を有する不飽和炭化水素基の具体例としては、例えばイソオクテニル基、イソノネニル基、イソデセニル基、イソウンデセニル基、イソドデセニル基、イソトリデセニル基、イソテトラデセニル基、イソペンタデセニル基、イソヘキサデセニル基、イソヘプタデセニル基、イソオクタデセニル基、イソイコセニル基等が挙げられる。 Specific examples of branched unsaturated hydrocarbon groups having one double bond in the hydrocarbon group include isooctenyl, isononenyl, isodecenyl, isoundecenyl, isododecenyl, isotridecenyl, and isotetradecenyl. Nyl group, isopentadecenyl group, isohexadecenyl group, isoheptadecenyl group, isooctadecenyl group, isoicosenyl group and the like can be mentioned.
上記アミン化合物（Ａ１）は、一級アミン、二級アミン、及び三級アミンのいずれであってもよい。これらの中でも、一級アミンであることが好ましい。
上記アミン化合物（Ａ２）は、アミン化合物（Ａ１）の炭化水素基とは炭素数の異なる炭素数８以上２０以下の炭化水素基を有する。炭化水素基の炭素数が異なることを除いて、上記アミン化合物（Ａ１）で例示したものと同様の化合物を用いることができる。
The amine compound (A1) may be any of primary amine, secondary amine and tertiary amine. Among these, primary amines are preferred.
The amine compound (A2) has a hydrocarbon group with 8 or more and 20 or less carbon atoms, which is different from the hydrocarbon group of the amine compound (A1). The same compounds as those exemplified for the amine compound (A1) can be used, except that the number of carbon atoms in the hydrocarbon group is different.
上記アミン化合物（Ａ２）は、一種類に限定されず、複数種類のアミン化合物（Ａ２）が用いられていてもよい。すなわち、アミン化合物（Ａ１）の炭化水素基とは炭素数の異なる炭素数８以上２０以下の炭化水素基を有する複数種類のアミン化合物（Ａ２）が用いられていてもよい。これら複数種類のアミン化合物（Ａ２）は、互いの炭化水素基の炭素数が異なることが好ましい。複数種類のアミン化合物（Ａ２）は、互いの炭化水素基の炭素数が同じであるものの、化学式が異なるものであってもよい。 The amine compound (A2) is not limited to one type, and plural types of amine compounds (A2) may be used. That is, a plurality of types of amine compounds (A2) having a hydrocarbon group with 8 or more and 20 or less carbon atoms different from the hydrocarbon group of the amine compound (A1) may be used. It is preferable that these plural types of amine compounds (A2) have different numbers of carbon atoms in their hydrocarbon groups. A plurality of types of amine compounds (A2) may have different chemical formulas, although their hydrocarbon groups have the same number of carbon atoms.
アミン化合物（Ａ２）は、２種類以上用いられていることが好ましく、３種類以上用いられていることがより好ましく、５種類以上用いられていることがさらに好ましい。
アミン化合物（Ａ１）とアミン化合物（Ａ２）の配合割合は特に制限されない。例えば質量比として、アミン化合物（Ａ１）／アミン化合物（Ａ２）＝１／９９以上９９／１以下であることが好ましく、アミン化合物（Ａ１）／アミン化合物（Ａ２）＝５／９５以上９５／５以下であることがより好ましい。
Two or more types of amine compounds (A2) are preferably used, more preferably three or more types, and even more preferably five or more types.
The mixing ratio of the amine compound (A1) and the amine compound (A2) is not particularly limited. For example, the mass ratio is preferably amine compound (A1)/amine compound (A2) = 1/99 or more and 99/1 or less, and amine compound (A1)/amine compound (A2) = 5/95 or more and 95/5. The following are more preferable.
上記炭素数２以上４以下のアルキレンオキサイドとしては、例えばエチレンオキサイド、プロピレンオキサイド、ブチレンオキサイドが挙げられる。これらの中でも、エチレンオキサイドを含有するものであることが好ましい。 Examples of the alkylene oxide having 2 to 4 carbon atoms include ethylene oxide, propylene oxide, and butylene oxide. Among these, those containing ethylene oxide are preferable.
アルキレンオキサイドの重合配列としては、特に制限されず、ランダム付加物であっても、ブロック付加物であってもよい。
上記炭素数２以上４以下のアルキレンオキサイドは、１種を単独で使用してもよく、２種以上を組み合わせて使用してもよい。
The polymerization sequence of alkylene oxide is not particularly limited, and may be a random adduct or a block adduct.
The alkylene oxides having 2 to 4 carbon atoms may be used singly or in combination of two or more.
上記平滑剤（Ｂ）としては、特に制限されず、処理剤に用いられる公知の平滑剤を用いることができる。公知の平滑剤としては、例えばシリコーン油、鉱物油、ポリオレフィン、エステル化合物等が挙げられる。これら平滑剤は、１種を単独で使用してもよく、２種以上を組み合わせて使用してもよい。これらの中でも、平滑剤（Ｂ）は、シリコーン油を含むものであることが好ましい。 The smoothing agent (B) is not particularly limited, and known smoothing agents used for processing agents can be used. Examples of known smoothing agents include silicone oils, mineral oils, polyolefins, ester compounds, and the like. These smoothing agents may be used alone or in combination of two or more. Among these, the smoothing agent (B) preferably contains silicone oil.
シリコーン油としては、例えばジメチルシリコーン、フェニル変性シリコーン、アミノ変性シリコーン、アミド変性シリコーン、ポリエーテル変性シリコーン、アミノポリエーテル変性シリコーン、アルキル変性シリコーン、アルキルアラルキル変性シリコーン、アルキルポリエーテル変性シリコーン、エステル変性シリコーン、エポキシ変性シリコーン、カルビノール変性シリコーン、メルカプト変性シリコーン等が挙げられる。これらの中でも、アミノ変性シリコーンを含むものであることが好ましい。 Examples of silicone oils include dimethyl silicone, phenyl-modified silicone, amino-modified silicone, amide-modified silicone, polyether-modified silicone, aminopolyether-modified silicone, alkyl-modified silicone, alkylaralkyl-modified silicone, alkylpolyether-modified silicone, and ester-modified silicone. , epoxy-modified silicone, carbinol-modified silicone, mercapto-modified silicone, and the like. Among these, those containing amino-modified silicone are preferable.
平滑剤（Ｂ）が、アミノ変性シリコーンを含むものであることにより、合成繊維を耐炎化し、さらに炭素化して炭素繊維を作製した際の炭素繊維の強度をより向上させることができる。 When the smoothing agent (B) contains an amino-modified silicone, it is possible to make the synthetic fiber flame-resistant and further improve the strength of the carbon fiber when the synthetic fiber is carbonized to produce the carbon fiber.
平滑剤（Ｂ）の具体例としては、例えば２５℃における動粘度が６５０ｍｍ２／ｓでありアミノ当量が１８００ｇ／ｍｏｌであるアミノ変性シリコーン、２５℃における動粘度が９０ｍｍ２／ｓでありアミノ当量が５０００ｇ／ｍｏｌであるアミノ変性シリコーン、２５℃における動粘度が４５００ｍｍ２／ｓでありアミノ当量が１２００ｇ／ｍｏｌであるアミノ変性シリコーン、２５℃における動粘度が８０００ｍｍ２／ｓでありアミノ当量が１０００ｇ／ｍｏｌであるアミノ変性シリコーン、２５℃における動粘度が３５０ｍｍ２／ｓであるジメチルシリコーン、ビスフェノールＡのエチレンオキサイド２モル付加物のジドデシルエステル等が挙げられる。 Specific examples of the smoothing agent (B) include, for example, an amino-modified silicone having a kinematic viscosity of 650 mm 2 /s at 25° C. and an amino equivalent of 1800 g/mol, and an amino equivalent of 90 mm 2 /s at 25° C. is 5000 g/mol, an amino-modified silicone having a kinematic viscosity at 25°C of 4500 mm 2 /s and an amino equivalent of 1200 g/mol, a kinematic viscosity at 25°C of 8000 mm 2 /s and an amino equivalent of 1000 g /mol, dimethylsilicone having a kinematic viscosity at 25°C of 350 mm 2 /s, and didodecyl ester of a 2 mol adduct of bisphenol A with ethylene oxide.
上記のシリコーン油は、１種を単独で使用してもよく、２種以上を組み合わせて使用してもよい。
なお、平滑剤（Ｂ）の動粘度は、キャノンフェンスケ粘度計を用いて２５℃の条件下で公知の方法によって測定することができる。
One of the above silicone oils may be used alone, or two or more may be used in combination.
The kinematic viscosity of the smoothing agent (B) can be measured by a known method at 25° C. using a Canon Fenske viscometer.
アミン誘導体（Ａ）、及び平滑剤（Ｂ）の含有割合に制限はない。アミン誘導体（Ａ）、及び平滑剤（Ｂ）の含有割合の合計を１００質量部とすると、アミン誘導体（Ａ）を３質量％以上５０質量％以下、及び平滑剤（Ｂ）を５０質量％以上９７質量％以下の割合で含有することが好ましい。 There is no restriction on the content ratio of the amine derivative (A) and the smoothing agent (B). When the total content of the amine derivative (A) and the smoothing agent (B) is 100 parts by mass, the amine derivative (A) is 3% by mass or more and 50% by mass or less, and the smoothing agent (B) is 50% by mass or more. It is preferably contained in a proportion of 97% by mass or less.
処理剤は、更に、下記の（ポリ）オキシアルキレン誘導体（Ｃ）を含有することが好ましい。
（ポリ）オキシアルキレン誘導体（Ｃ）：炭素数４以上のアルキル鎖のβ位にヒドロキシ基を有する一価脂肪族アルコール１モルに対し、炭素数２以上４以下のアルキレンオキサイドを合計で１モル以上３０モル以下の割合で付加させた化合物。
The treatment agent preferably further contains the following (poly)oxyalkylene derivative (C).
(Poly) oxyalkylene derivative (C): a total of 1 mol or more of an alkylene oxide having 2 to 4 carbon atoms per 1 mol of a monohydric aliphatic alcohol having a hydroxy group at the β-position of an alkyl chain having 4 or more carbon atoms A compound added at a ratio of 30 mol or less.
上記の（ポリ）オキシアルキレン誘導体（Ｃ）を含有することにより、紡糸集束性をより向上させることができる。
上記一価脂肪族アルコールとしては、特に制限されず、直鎖脂肪族アルコールであっても、分岐鎖を有する脂肪族アルコールであってもよい。また、飽和脂肪族アルコールであっても、不飽和脂肪族アルコールであってもよい。
By containing the (poly)oxyalkylene derivative (C), the spinning convergence can be further improved.
The monohydric aliphatic alcohol is not particularly limited, and may be a linear aliphatic alcohol or a branched aliphatic alcohol. Moreover, it may be a saturated fatty alcohol or an unsaturated fatty alcohol.
また、一級アルコール、二級アルコール、三級アルコールのいずれであってもよい。これらの中でも、一級アルコールであることが好ましい。
上記一価脂肪族アルコールのアルキル鎖の炭素数は、１０以上であることが好ましく、１２以上であることがより好ましい。また、一価脂肪族アルコールのアルキル鎖の炭素数は、１８以下であることが好ましく、１６以下であることがより好ましい。
Moreover, any of a primary alcohol, a secondary alcohol, and a tertiary alcohol may be sufficient. Among these, primary alcohols are preferred.
The number of carbon atoms in the alkyl chain of the monohydric aliphatic alcohol is preferably 10 or more, more preferably 12 or more. The number of carbon atoms in the alkyl chain of the monohydric aliphatic alcohol is preferably 18 or less, more preferably 16 or less.
上記アルキル鎖の具体例としては、上記アミン誘導体（Ａ）で用いられるアミン化合物（Ａ１）の炭化水素基と同様のものを挙げることができる。
上記炭素数２以上４以下のアルキレンオキサイドとしては、上記アミン誘導体（Ａ）で用いられるアルキレンオキサイドと同様のものを挙げることができる。
Specific examples of the alkyl chain include those similar to the hydrocarbon group of the amine compound (A1) used in the amine derivative (A).
Examples of the alkylene oxide having 2 to 4 carbon atoms include the same alkylene oxides as those used in the amine derivative (A).
上記（ポリ）オキシアルキレン誘導体（Ｃ）の具体例としては、例えば２－ドデカノール１モルに対してエチレンオキサイドを５モル付加させた化合物、２－テトラデカノール１モルに対してエチレンオキサイドを９モル付加させた化合物等が挙げられる。 Specific examples of the (poly)oxyalkylene derivative (C) include, for example, a compound obtained by adding 5 mol of ethylene oxide to 1 mol of 2-dodecanol, and 9 mol of ethylene oxide to 1 mol of 2-tetradecanol. The compound etc. which were made to add are mentioned.
上記の（ポリ）オキシアルキレン誘導体（Ｃ）は、１種を単独で使用してもよく、２種以上を組み合わせて使用してもよい。
アミン誘導体（Ａ）、平滑剤（Ｂ）、及び（ポリ）オキシアルキレン誘導体（Ｃ）の含有割合に制限はない。アミン誘導体（Ａ）、平滑剤（Ｂ）、及び（ポリ）オキシアルキレン誘導体（Ｃ）の含有割合の合計を１００質量部とすると、アミン誘導体（Ａ）を３質量％以上４０質量％以下、平滑剤（Ｂ）を２０質量％以上９４質量％以下、及び（ポリ）オキシアルキレン誘導体（Ｃ）を３質量％以上５０質量％以下の割合で含有することが好ましい。
The above (poly)oxyalkylene derivative (C) may be used alone or in combination of two or more.
There are no restrictions on the contents of the amine derivative (A), smoothing agent (B), and (poly)oxyalkylene derivative (C). When the total content of the amine derivative (A), the smoothing agent (B), and the (poly)oxyalkylene derivative (C) is 100 parts by mass, the amine derivative (A) is 3% by mass or more and 40% by mass or less, and the smoothing It is preferable to contain the agent (B) in a ratio of 20% by mass or more and 94% by mass or less and the (poly)oxyalkylene derivative (C) in a ratio of 3% by mass or more and 50% by mass or less.
（第２実施形態）
本発明に係る合成繊維を具体化した第２実施形態について説明する。本実施形態の合成繊維は、第１実施形態の処理剤が付着している。合成繊維の具体例としては、特に制限はなく、例えば（１）ポリエチレンテレフタラート、ポリプロピレンテレフタラート、ポリ乳酸エステル等のポリエステル系繊維、（２）ナイロン６、ナイロン６６等のポリアミド系繊維、（３）ポリアクリル、モダアクリル等のポリアクリル系繊維、（４）ポリエチレン、ポリプロピレン等のポリオレフィン系繊維、（５）セルロース系繊維、（６）リグニン系繊維等が挙げられる。
(Second embodiment)
A second embodiment of the synthetic fiber according to the present invention will be described. The processing agent of the first embodiment is attached to the synthetic fiber of the present embodiment. Specific examples of synthetic fibers are not particularly limited, and include (1) polyester fibers such as polyethylene terephthalate, polypropylene terephthalate and polylactate; ) polyacrylic fibers such as polyacryl and modacrylic, (4) polyolefin fibers such as polyethylene and polypropylene, (5) cellulose fibers, and (6) lignin fibers.
合成繊維としては、後述する炭素化処理工程を経ることにより炭素繊維となる樹脂製の合成繊維であることが好ましい。言い換えれば、合成繊維は、炭素繊維前駆体であることが好ましい。 As the synthetic fiber, it is preferable to use a synthetic fiber made of a resin that becomes a carbon fiber through a carbonization treatment process described below. In other words, the synthetic fibers are preferably carbon fiber precursors.
合成繊維を構成する樹脂としては、特に限定されないが、例えば、アクリル樹脂、ポリエチレン樹脂、フェノール樹脂、セルロース樹脂、リグニン樹脂、ピッチ等を挙げることができる。 The resin constituting the synthetic fiber is not particularly limited, but examples thereof include acrylic resin, polyethylene resin, phenol resin, cellulose resin, lignin resin, pitch and the like.
第１実施形態の処理剤を合成繊維に付着させる割合に特に制限はないが、処理剤（溶媒を含まない）を合成繊維に対し０．１質量％以上２質量％以下となるように付着させることが好ましく、０．３質量％以上１．２質量％以下となるように付着させることがより好ましい。 Although there is no particular limitation on the proportion of the treatment agent of the first embodiment attached to the synthetic fibers, the treatment agent (not containing a solvent) is attached to the synthetic fibers in an amount of 0.1% by mass or more and 2% by mass or less. is preferred, and it is more preferred that the content be 0.3% by mass or more and 1.2% by mass or less.
第１実施形態の処理剤を合成繊維に付着させる際の形態としては、例えば有機溶媒溶液、水性液等が挙げられる。
処理剤を合成繊維に付着させる方法としては、例えば、第１実施形態の処理剤、及び水を含有する水性液又はさらに希釈した水溶液を用いて、公知の方法、例えば浸漬法、スプレー法、ローラー法、計量ポンプを用いたガイド給油法等によって付着させる方法を適用できる。
Examples of the form in which the processing agent of the first embodiment is attached to synthetic fibers include an organic solvent solution, an aqueous liquid, and the like.
As a method for attaching the treatment agent to the synthetic fibers, for example, the treatment agent of the first embodiment and an aqueous liquid containing water or a further diluted aqueous solution are used, and a known method such as an immersion method, a spray method, a roller method, a guide oiling method using a metering pump, or the like can be applied.
本実施形態の合成繊維を用いた炭素繊維の製造方法について説明する。
炭素繊維の製造方法は、下記の工程１～３を経ることが好ましい。
工程１：炭素繊維前駆体となる合成繊維を紡糸するとともに、第１実施形態の処理剤を付着させる紡糸工程。
A method for producing carbon fiber using the synthetic fiber of the present embodiment will be described.
The method for producing the carbon fiber preferably includes steps 1 to 3 below.
Step 1: A spinning step of spinning a synthetic fiber to be a carbon fiber precursor and attaching the treatment agent of the first embodiment.
工程２：前記工程１で得られた炭素繊維前駆体を２００℃以上３００℃以下、好ましくは２３０℃以上２７０℃以下の酸化性雰囲気中で耐炎化繊維に転換する耐炎化処理工程。
工程３：前記工程２で得られた耐炎化繊維をさらに３００℃以上２０００℃以下、好ましくは３００℃以上１３００℃以下の不活性雰囲気中で炭化させる炭素化処理工程。
Step 2: A flameproofing treatment step of converting the carbon fiber precursor obtained in the step 1 into a flameproof fiber in an oxidizing atmosphere at 200°C or higher and 300°C or lower, preferably 230°C or higher and 270°C or lower.
Step 3: A carbonization step of further carbonizing the flame-resistant fiber obtained in the step 2 in an inert atmosphere at 300°C or higher and 2000°C or lower, preferably 300°C or higher and 1300°C or lower.
なお、上記工程２と工程３とによって焼成工程が構成されるものとする。
紡糸工程は、さらに、樹脂を溶媒に溶解して紡糸する湿式紡糸工程、湿式紡糸された合成繊維を乾燥して緻密化する乾燥緻密化工程、及び乾燥緻密化した合成繊維を延伸する延伸工程を有していることが好ましい。第１実施形態の処理剤は、湿式紡糸工程と乾燥緻密化工程の間で付着させることが好ましい。
It should be noted that the firing process is composed of the above-described steps 2 and 3.
The spinning process further includes a wet spinning process of dissolving a resin in a solvent and spinning, a dry densification process of drying and densifying the wet-spun synthetic fibers, and a drawing process of drawing the dry densified synthetic fibers. It is preferable to have The treatment agent of the first embodiment is preferably applied between the wet spinning step and the dry densification step.
乾燥緻密化工程の温度は特に限定されないが、湿式紡糸工程を経た合成繊維を、例えば、７０℃以上２００℃以下で加熱することが好ましい。処理剤を合成繊維に付着させるタイミングは特に限定されないが、湿式紡糸工程と乾燥緻密化工程の間であることが好ましい。 Although the temperature of the drying and densification step is not particularly limited, it is preferable to heat the synthetic fibers that have undergone the wet spinning step at, for example, 70°C or higher and 200°C or lower. The timing of applying the treatment agent to the synthetic fibers is not particularly limited, but it is preferably between the wet spinning process and the dry densification process.
耐炎化処理工程における酸化性雰囲気は、特に限定されず、例えば、空気雰囲気を採用することができる。
炭素化処理工程における不活性雰囲気は、特に限定されず、例えば、窒素雰囲気、アルゴン雰囲気、真空雰囲気等を採用することができる。
The oxidizing atmosphere in the flameproofing treatment step is not particularly limited, and for example, an air atmosphere can be adopted.
The inert atmosphere in the carbonization treatment step is not particularly limited, and for example, a nitrogen atmosphere, an argon atmosphere, a vacuum atmosphere, or the like can be adopted.
本実施形態の処理剤、及び合成繊維によれば、以下のような作用及び効果を得ることができる。
（１）本実施形態の処理剤は、上記のアミン誘導体（Ａ）、及び平滑剤（Ｂ）を含有する。したがって、合成繊維の紡糸集束性を向上させることができる。また、合成繊維の耐炎化集束性や、合成繊維を炭素化して炭素繊維を作製した際の炭素繊維の強度を向上させることができる。
According to the treatment agent and synthetic fiber of this embodiment, the following functions and effects can be obtained.
(1) The processing agent of the present embodiment contains the amine derivative (A) and the smoothing agent (B). Therefore, the spinning convergence of synthetic fibers can be improved. In addition, the flame-resistant bundling property of synthetic fibers and the strength of carbon fibers produced by carbonizing synthetic fibers can be improved.
（２）平滑剤（Ｂ）が、アミノ変性シリコーン、及びポリエーテル変性シリコーンから選ばれる少なくとも１つを含む。したがって、合成繊維の耐炎化集束性と、合成繊維を炭素化して炭素繊維を作製した際の炭素繊維の強度の少なくともいずれかをより向上させることができる。 (2) The smoothing agent (B) contains at least one selected from amino-modified silicone and polyether-modified silicone. Therefore, at least one of the flame-resistant bundling property of the synthetic fibers and the strength of the carbon fibers produced by carbonizing the synthetic fibers can be further improved.
（３）平滑剤（Ｂ）が、アミノ変性シリコーンを含む。したがって、炭素繊維の強度のより向上させることができる。
（４）上記の（ポリ）オキシアルキレン誘導体（Ｃ）を含有する。したがって、紡糸集束性をより向上させることができる。
(3) Smoothing agent (B) contains amino-modified silicone. Therefore, it is possible to further improve the strength of the carbon fiber.
(4) It contains the above (poly)oxyalkylene derivative (C). Therefore, the spinning convergence can be further improved.
上記実施形態は、以下のように変更して実施できる。上記実施形態、及び、以下の変更例は、技術的に矛盾しない範囲で互いに組み合わせて実施できる。
・本実施形態では、湿式紡糸工程と乾燥緻密化工程の間において、処理剤を合成繊維に付着させていたが、この態様に限定されない。乾燥緻密化工程と延伸工程の間において処理剤を合成繊維に付着させても良いし、延伸工程と耐炎化処理工程の間において処理剤を合成繊維に付着させても良い。
The above embodiment can be implemented with the following modifications. The above embodiments and the following modifications can be combined with each other within a technically consistent range.
- In the present embodiment, the treatment agent is attached to the synthetic fibers between the wet spinning process and the dry densification process, but the present invention is not limited to this aspect. The treating agent may be attached to the synthetic fibers between the drying densification step and the drawing step, or the treating agent may be attached to the synthetic fibers between the drawing step and the flameproofing step.
・本実施形態において、合成繊維は、焼成工程を行わない繊維であってもよい。すなわち、合成繊維は、炭素繊維前駆体に限定されない。
・本実施形態の処理剤には、本発明の効果を阻害しない範囲内において、処理剤の品質保持のための安定化剤や制電剤、帯電防止剤、つなぎ剤、酸化防止剤、紫外線吸収剤、消泡剤（シリコーン系化合物）等の通常処理剤に用いられる成分をさらに配合してもよい。
- In the present embodiment, the synthetic fibers may be fibers that are not subjected to the baking process. That is, synthetic fibers are not limited to carbon fiber precursors.
・The processing agent of the present embodiment contains a stabilizer, an antistatic agent, an antistatic agent, a binder, an antioxidant, and an ultraviolet absorber to maintain the quality of the processing agent within a range that does not impede the effects of the present invention. Ingredients commonly used in treatment agents, such as agents and antifoaming agents (silicone compounds), may also be added.
以下、本発明の構成及び効果をより具体的にするため、実施例等を挙げるが、本発明がこれらの実施例に限定されるというものではない。尚、以下の実施例及び比較例において、部は質量部を、また％は質量％を意味する。 Examples will be given below in order to make the configuration and effect of the present invention more specific, but the present invention is not limited to these examples. In the following examples and comparative examples, "part" means "mass part" and "%" means "mass%".
試験区分１（炭素繊維前駆体用処理剤の調製）
（実施例１）
表１に示される各成分を使用し、アミン誘導体（Ａ－１）が１５部、平滑剤（Ｂ－１）が５０部、（ポリ）オキシアルキレン誘導体（Ｃ－１）が３５部の配合割合となるようにビーカーに加えた。これらを撹拌してよく混合した。撹拌を続けながら固形分濃度が２５％となるようにイオン交換水を徐々に添加することで実施例１の合成繊維用処理剤の２５％水性液を調製した。
Test category 1 (preparation of treatment agent for carbon fiber precursor)
(Example 1)
Using each component shown in Table 1, the mixing ratio of 15 parts of amine derivative (A-1), 50 parts of smoothing agent (B-1), and 35 parts of (poly)oxyalkylene derivative (C-1) was added to the beaker so as to They were stirred to mix well. A 25% aqueous solution of the treatment agent for synthetic fibers of Example 1 was prepared by gradually adding deionized water while continuing stirring so that the solid content concentration became 25%.
（実施例２～２４及び比較例１～３）
実施例２～２４及び比較例１～３の各炭素繊維前駆体用処理剤は、表１に示される各成分を使用し、実施例１と同様の方法にて調製した。
(Examples 2 to 24 and Comparative Examples 1 to 3)
Each carbon fiber precursor treatment agent of Examples 2 to 24 and Comparative Examples 1 to 3 was prepared in the same manner as in Example 1 using each component shown in Table 1.
なお、各例の処理剤中におけるアミン誘導体（Ａ）の種類と含有量、平滑剤（Ｂ）の種類と含有量、及び（ポリ）オキシアルキレン誘導体（Ｃ）の種類と含有量は、表１の「アミン誘導体（Ａ）」欄、「平滑剤（Ｂ）」欄、及び「（ポリ）オキシアルキレン誘導体（Ｃ）」欄にそれぞれ示すとおりである。 The type and content of the amine derivative (A), the type and content of the smoothing agent (B), and the type and content of the (poly)oxyalkylene derivative (C) in the treatment agent of each example are shown in Table 1. "Amine derivative (A)" column, "Smoothing agent (B)" column, and "(Poly)oxyalkylene derivative (C)" column, respectively.
（アミン誘導体（Ａ））
表１のアミン誘導体（Ａ）における、アミン化合物（Ａ１）及びアミン化合物（Ａ２）の種類と配合割合、炭素数２以上４以下のアルキレンオキサイドの種類と付加モル数について、表２の「アミン化合物の種類と配合割合（質量部）」欄、及び「アルキレンオキサイドの種類と付加モル数」欄にそれぞれ示す。
(Amine derivative (A))
The type and blending ratio of the amine compound (A1) and the amine compound (A2) in the amine derivative (A) in Table 1, and the type and number of added moles of the alkylene oxide having 2 to 4 carbon atoms are described in Table 2 under "Amine compound The type and blending ratio (parts by mass) of ”, and the column of “type and number of moles of alkylene oxide added” are shown, respectively.
表２において、「Ｃ８」は、炭化水素基の炭素数が８のアミン化合物を意味する。また、「Ｃ１６：１」は、炭化水素基の炭素数が１６で、不飽和結合が１つあるアミン化合物を意味し、その他も同様とする。 In Table 2, "C8" means an amine compound having a hydrocarbon group with 8 carbon atoms. "C16:1" means an amine compound having a hydrocarbon group with 16 carbon atoms and one unsaturated bond, and the same applies to others.
数字の右肩に「＊」が付与されているものがアミン化合物（Ａ１）を意味し、その他は全てアミン化合物（Ａ２）を意味する。ただし、実施例２５では、アミン誘導体（Ａ－９）が有するアミン化合物をアミン化合物（Ａ１）とし、アミン誘導体（Ａ－１０）が有するアミン化合物をアミン化合物（Ａ２）とする。ＥＯはエチレンオキサイドを意味し、ＰＯはプロピレンオキサイドを意味する。 A number with "*" on the right side means the amine compound (A1), and all other numbers mean the amine compound (A2). However, in Example 25, the amine compound possessed by the amine derivative (A-9) is designated as the amine compound (A1), and the amine compound possessed by the amine derivative (A-10) is designated as the amine compound (A2). EO means ethylene oxide and PO means propylene oxide.
アミン誘導体（Ａ－１）、（Ａ－３）～（Ａ－８）は、アミン化合物（Ａ１）とアミン化合物（Ａ２）の合計１モルの混合液に対して、ＥＯを付加させて調製した。
アミン誘導体（Ａ－２）は、アミン化合物（Ａ１）とアミン化合物（Ａ２）の合計１モルの混合液に対して、ＥＯとＰＯをこの順番でブロック付加させて調製した。アミン誘導体（Ａ－１）～（Ａ－１０）は全て、直鎖の炭化水素基を有する一級アミンを用いた。
Amine derivatives (A-1), (A-3) to (A-8) were prepared by adding EO to a total 1 mol mixture of amine compound (A1) and amine compound (A2). .
The amine derivative (A-2) was prepared by block-adding EO and PO in this order to a mixed solution of 1 mol in total of the amine compound (A1) and the amine compound (A2). All of the amine derivatives (A-1) to (A-10) were primary amines having straight-chain hydrocarbon groups.
なお、アミン誘導体（Ａ－１）～（Ａ－８）を調製する方法は、アミン化合物の混合液に対してアルキレンオキサイドを付加させる方法に限定されない。各アミン化合物に個別にアルキレンオキサイドを付加させた後、それらを混合することによって調製してもよい。 Incidentally, the method of preparing the amine derivatives (A-1) to (A-8) is not limited to the method of adding alkylene oxide to the mixture of amine compounds. It may be prepared by adding an alkylene oxide to each amine compound individually and then mixing them.
ａ－２：トリスチレン化フェノール１モルに対してエチレンオキサイドを１５モル、プロピレンオキサイドを１０モル付加させた化合物
（平滑剤（Ｂ））
Ｂ－１：２５℃における動粘度が６５０ｍｍ２／ｓでありアミノ当量が１８００ｇ／ｍｏｌであるアミノ変性シリコーン
Ｂ－２：２５℃における動粘度が９０ｍｍ２／ｓでありアミノ当量が５０００ｇ／ｍｏｌであるアミノ変性シリコーン
Ｂ－３：２５℃における動粘度が４５００ｍｍ２／ｓでありアミノ当量が１２００ｇ／ｍｏｌであるアミノ変性シリコーン
Ｂ－４：２５℃における動粘度が８０００ｍｍ２／ｓでありアミノ当量が１０００ｇ／ｍｏｌであるアミノ変性シリコーン
Ｂ－５：２５℃における動粘度が３５０ｍｍ２／ｓであるジメチルシリコーン
Ｂ－６：ビスフェノールＡのエチレンオキサイド２モル付加物のジドデシルエステル
（（ポリ）オキシアルキレン誘導体（Ｃ））
Ｃ－１：２－ドデカノール１モルに対してエチレンオキサイドを５モル付加させた化合物
Ｃ－２：２－テトラデカノール１モルに対してエチレンオキサイドを９モル付加させた化合物
試験区分２（合成繊維、及び炭素繊維の製造）
試験区分１で調製した合成繊維用処理剤の水性液を用いて、合成繊維、及び炭素繊維を製造した。
B-1: Amino-modified silicone having a kinematic viscosity of 650 mm 2 /s at 25° C. and an amino equivalent of 1800 g/mol B-2: A kinematic viscosity of 90 mm 2 /s at 25° C. and an amino equivalent of 5000 g/mol Amino-modified silicone B-3: Amino-modified silicone having a kinematic viscosity of 4500 mm 2 /s at 25° C. and an amino equivalent of 1200 g/mol B-4: A kinematic viscosity of 8000 mm 2 /s at 25° C. and an amino equivalent of Amino-modified silicone of 1000 g/mol B-5: Dimethyl silicone having a kinematic viscosity of 350 mm 2 /s at 25° C. B-6: Didodecyl ester of a 2-mol adduct of ethylene oxide of bisphenol A ((poly)oxyalkylene derivative (C))
C-1: A compound obtained by adding 5 mol of ethylene oxide to 1 mol of 2-dodecanol C-2: A compound obtained by adding 9 mol of ethylene oxide to 1 mol of 2-tetradecanol Test section 2 (synthetic fiber , and carbon fiber production)
Synthetic fibers and carbon fibers were produced using the aqueous solution of the treatment agent for synthetic fibers prepared in Test Section 1.
まず、工程１として、アクリル樹脂を湿式紡糸した。具体的には、アクリロニトリル９５質量％、アクリル酸メチル３．５質量％、メタクリル酸１．５質量％からなる極限粘度１．８０の共重合体を、ジメチルアセトアミド（ＤＭＡＣ）に溶解してポリマー濃度が２１．０質量％、６０℃における粘度が５００ポイズの紡糸原液を作成した。紡糸原液は、紡浴温度３５℃に保たれたＤＭＡＣの７０質量％水溶液の凝固浴中に孔径（内径）０．０７５ｍｍ、ホール数１２，０００の紡糸口金よりドラフト比０．８で吐出した。 First, as step 1, an acrylic resin was wet-spun. Specifically, a copolymer composed of 95% by mass of acrylonitrile, 3.5% by mass of methyl acrylate, and 1.5% by mass of methacrylic acid and having an intrinsic viscosity of 1.80 was dissolved in dimethylacetamide (DMAC) to give a polymer concentration of was 21.0% by mass and a spinning dope having a viscosity of 500 poise at 60°C was prepared. The spinning stock solution was discharged from a spinneret with a hole diameter (inner diameter) of 0.075 mm and a hole number of 12,000 at a draft ratio of 0.8 into a coagulation bath of 70 mass % aqueous solution of DMAC kept at a spinning bath temperature of 35°C.
凝固糸を水洗槽の中で脱溶媒と同時に５倍に延伸して水膨潤状態のアクリル繊維ストランド（原料繊維）を作成した。このアクリル繊維ストランドに対して、固形分付着量が１質量％（溶媒を含まない）となるように、試験区分１で調製した合成繊維用処理剤を給油した。合成繊維用処理剤の給油は、合成繊維用処理剤の４％イオン交換水溶液を用いた浸漬法により実施した。その後、アクリル繊維ストランドに対して、１３０℃の加熱ローラーで乾燥緻密化処理を行い、更に１７０℃の加熱ローラー間で１．７倍の延伸を施した後に巻き取り装置を用いて糸管に巻き取った。 The coagulated yarn was desolvated in a washing tank and simultaneously stretched 5 times to prepare a water-swollen acrylic fiber strand (raw material fiber). The synthetic fiber treatment agent prepared in test section 1 was oiled to the acrylic fiber strands so that the solid content adhesion amount was 1% by mass (not including the solvent). Oiling of the synthetic fiber treatment agent was carried out by an immersion method using a 4% ion-exchanged aqueous solution of the synthetic fiber treatment agent. After that, the acrylic fiber strand is dried and densified with a heating roller at 130°C, further stretched by 1.7 times between heating rollers at 170°C, and then wound around a yarn tube using a winding device. I took
次に、工程２として、巻き取られた炭素繊維前駆体から糸を解舒し、２３０℃以上２７０℃以下の温度勾配を有する耐炎化炉で空気雰囲気下１時間、耐炎化処理した後に糸管に巻き取ることで耐炎化糸（耐炎化繊維）を得た。 Next, in step 2, yarns are unwound from the wound carbon fiber precursor, and flameproofed in an air atmosphere for 1 hour in a flameproofing furnace having a temperature gradient of 230°C or higher and 270°C or lower. A flame-resistant yarn (flame-resistant fiber) was obtained by winding it.
次に、工程３として、巻き取られた耐炎化糸から糸を解舒し、窒素雰囲気下で３００℃以上１３００℃以下の温度勾配を有する炭素化炉で焼成して炭素繊維に転換後、糸管に巻き取ることで炭素繊維を得た。 Next, in step 3, the yarn is unwound from the wound flame-resistant yarn and fired in a carbonization furnace having a temperature gradient of 300° C. or more and 1300° C. or less in a nitrogen atmosphere to convert it into carbon fiber. A carbon fiber was obtained by winding on a tube.
試験区分３（評価）
実施例１～２４及び比較例１～３の処理剤について、紡糸集束性、耐炎化集束性、及び炭素繊維の強度を評価した。各試験の手順について以下に示す。また、試験結果を表１の「紡糸集束性」欄、「耐炎化集束性」欄、「強度」欄に示す。
Test category 3 (evaluation)
The treatment agents of Examples 1 to 24 and Comparative Examples 1 to 3 were evaluated for spin bundling, flame resistant bundling, and carbon fiber strength. The procedure for each test is shown below. In addition, the test results are shown in Table 1, "Spinning Convergence", "Flame-Resistant Convergence", and "Strength".
（紡糸集束性）
試験区分２の工程１で合成繊維用処理剤を給油したアクリル繊維ストランドが、１３０℃の加熱ローラーを通過する際の集束状態を目視で観察して、以下の基準で評価した。
(Spinning convergence)
The bundled state of the acrylic fiber strands to which the synthetic fiber treatment agent was applied in step 1 of test section 2 was visually observed when passing through a heating roller at 130° C. and evaluated according to the following criteria.
・紡糸集束性の評価基準
◎（良好）：繊維が集束して糸幅が相対的に狭くなっており、加熱ローラーへの巻き付きもなく、操業性に全く問題がない場合
〇（可）：やや糸がばらけて糸幅が若干広くなっているが、加熱ローラーへの巻き付きはなく、操業性に問題がない場合
×（不可）：糸のばらけが多く糸幅が広くなっており、加熱ローラーへの巻き付きにより頻繁に断糸が発生して操業性に影響がある場合
（耐炎化集束性）
試験区分２の工程２で耐炎化処理を行った耐炎化繊維に対して、糸管に巻き取る前の集束状態を目視で観察して、以下の基準で評価した。
・Evaluation criteria for spinning convergence ◎ (Good): When the fibers are bundled and the yarn width is relatively narrow, there is no winding around the heating roller, and there is no problem with the workability 〇 (Fair): Somewhat The thread is loose and the thread width is slightly wide, but there is no winding around the heating roller, and there is no problem with the workability. When frequent breakage occurs due to winding on the fiber and affects workability (Flame-resistant bundling)
The bundled state of the flame-resistant fibers subjected to the flame-resistant treatment in step 2 of test section 2 was visually observed before being wound around the thread tube, and evaluated according to the following criteria.
・耐炎化集束性の評価基準
○（可）：繊維が集束しているものの繊維束中に空間が存在しない場合
×（不可）：繊維が集束しておらず、繊維束中に空間が存在してトウ幅が広くなっている場合
（強度）
試験区分２の工程３で得られた炭素繊維を用いて、ＪＩＳ Ｒ ７６０６に準じて炭素繊維の強度を測定した。以下の基準で評価した。
・Evaluation criteria for flame resistance bundling ○ (Possible): When the fibers are bundled but there is no space in the fiber bundle × (Not possible): The fiber is not bundled and there is a space in the fiber bundle wide toe width (strength)
Using the carbon fiber obtained in step 3 of test section 2, the strength of the carbon fiber was measured according to JIS R 7606. Evaluation was made according to the following criteria.
・強度の評価基準
◎（良好）：強度が４．０ＧＰａ以上、４．５ＧＰａ未満
〇（可）：強度が３．５ＧＰａ以上、４．０ＧＰａ未満
×（不可）：強度が３．５ＧＰａ未満
表１の結果から、本発明によれば、合成繊維の紡糸集束性を向上させることができる。また、耐炎化集束性を向上させることができるとともに、炭素繊維の強度を向上させることができる。
・ Evaluation criteria for strength ◎ (good): strength is 4.0 GPa or more and less than 4.5 GPa ○ (acceptable): strength is 3.5 GPa or more and less than 4.0 GPa × (improper): strength is less than 3.5 GPa Table 1 From the results of (1), according to the present invention, the spinning convergence of synthetic fibers can be improved. In addition, it is possible to improve the flameproof bundling property and to improve the strength of the carbon fiber.
Claims (8)
アミン誘導体（Ａ）：炭素数８以上２０以下の炭化水素基を有するアミン化合物（Ａ１）と、前記アミン化合物（Ａ１）の炭化水素基とは炭素数の異なる炭素数８以上２０以下の炭化水素基を有するアミン化合物（Ａ２）との合計１モルに対し、炭素数２以上４以下のアルキレンオキサイドを合計で１モル以上３０モル以下の割合で付加させた化合物。 A treatment agent for synthetic fibers, comprising the following amine derivative (A) and a smoothing agent (B).
Amine derivative (A): an amine compound (A1) having a hydrocarbon group having 8 to 20 carbon atoms and a hydrocarbon having 8 to 20 carbon atoms different from the hydrocarbon group of the amine compound (A1) A compound obtained by adding an alkylene oxide having 2 to 4 carbon atoms at a ratio of 1 to 30 mol in total with respect to 1 mol in total with the amine compound (A2) having a group.
（ポリ）オキシアルキレン誘導体（Ｃ）：炭素数４以上のアルキル鎖のβ位にヒドロキシ基を有する一価脂肪族アルコール１モルに対し、炭素数２以上４以下のアルキレンオキサイドを合計で１モル以上３０モル以下の割合で付加させた化合物。 The synthetic fiber treatment agent according to any one of claims 1 to 4, further comprising the following (poly)oxyalkylene derivative (C).
(Poly) oxyalkylene derivative (C): a total of 1 mol or more of an alkylene oxide having 2 to 4 carbon atoms per 1 mol of a monohydric aliphatic alcohol having a hydroxy group at the β-position of an alkyl chain having 4 or more carbon atoms A compound added at a ratio of 30 mol or less.
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| JP2021094516A JP2022186349A (en) | 2021-06-04 | 2021-06-04 | Treatment agent for synthetic fibers, and synthetic fiber |
| PCT/JP2022/022417 WO2022255435A1 (en) | 2021-06-04 | 2022-06-02 | Synthetic fiber processing agent, and synthetic fiber |
| KR1020237043876A KR20240011159A (en) | 2021-06-04 | 2022-06-02 | Treatment agents for synthetic fibers, and synthetic fibers |
| DE112022002916.1T DE112022002916T5 (en) | 2021-06-04 | 2022-06-02 | Synthetic fiber processing agents and synthetic fiber |
| CN202280037877.0A CN117377799A (en) | 2021-06-04 | 2022-06-02 | Treatment agent for synthetic fibers and synthetic fibers |
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| JPH07216734A (en) * | 1994-02-03 | 1995-08-15 | Sanyo Chem Ind Ltd | Oiling agent for synthetic fiber |
| JPH09273078A (en) * | 1996-04-05 | 1997-10-21 | Toray Ind Inc | Treating agent for synthetic fiber and polyamide fiber containing the same treating agent sticking thereto |
| JP2011174197A (en) * | 2010-02-24 | 2011-09-08 | Teijin Techno Products Ltd | Aromatic polyamide staple fiber |
| JP5748315B1 (en) * | 2015-03-24 | 2015-07-15 | 竹本油脂株式会社 | Synthetic fiber treatment agent, synthetic fiber treatment method and synthetic fiber |
| JP6523416B1 (en) | 2017-12-06 | 2019-05-29 | 竹本油脂株式会社 | Processing agents for synthetic fibers and synthetic fibers |
| JP6984927B1 (en) * | 2021-06-04 | 2021-12-22 | 竹本油脂株式会社 | Treatment agents for synthetic fibers and synthetic fibers |
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