JP2023016795A - 炭素繊維の製造方法 - Google Patents
炭素繊維の製造方法 Download PDFInfo
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 117
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 117
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 229920002545 silicone oil Polymers 0.000 claims abstract description 38
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 239000002243 precursor Substances 0.000 claims abstract description 25
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 17
- MQWFLKHKWJMCEN-UHFFFAOYSA-N n'-[3-[dimethoxy(methyl)silyl]propyl]ethane-1,2-diamine Chemical compound CO[Si](C)(OC)CCCNCCN MQWFLKHKWJMCEN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000001804 emulsifying effect Effects 0.000 claims abstract description 5
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- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 8
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- 238000001354 calcination Methods 0.000 description 2
- YQGOWXYZDLJBFL-UHFFFAOYSA-N dimethoxysilane Chemical compound CO[SiH2]OC YQGOWXYZDLJBFL-UHFFFAOYSA-N 0.000 description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 2
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- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical class O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
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- AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical class OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 description 1
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- 101100481028 Arabidopsis thaliana TGA2 gene Proteins 0.000 description 1
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- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
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- INLLPKCGLOXCIV-UHFFFAOYSA-N bromoethene Chemical compound BrC=C INLLPKCGLOXCIV-UHFFFAOYSA-N 0.000 description 1
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- OIWOHHBRDFKZNC-UHFFFAOYSA-N cyclohexyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCCC1 OIWOHHBRDFKZNC-UHFFFAOYSA-N 0.000 description 1
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- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
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- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical class FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
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- LNCPIMCVTKXXOY-UHFFFAOYSA-N hexyl 2-methylprop-2-enoate Chemical compound CCCCCCOC(=O)C(C)=C LNCPIMCVTKXXOY-UHFFFAOYSA-N 0.000 description 1
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- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
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- HNEGQIOMVPPMNR-NSCUHMNNSA-N mesaconic acid Chemical compound OC(=O)C(/C)=C/C(O)=O HNEGQIOMVPPMNR-NSCUHMNNSA-N 0.000 description 1
- HNEGQIOMVPPMNR-UHFFFAOYSA-N methylfumaric acid Natural products OC(=O)C(C)=CC(O)=O HNEGQIOMVPPMNR-UHFFFAOYSA-N 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
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- UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical class OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 description 1
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- D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
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Abstract
Description
本発明は、上述に鑑みてなされたものであり、その目的は、炭素繊維の製造方法を提供することにある。
本開示の上記及び他の目的、特徴、メリット及び実施例をより明確に理解するために、添付図面についての説明は以下の通りである。
本試験例では、炭素繊維原糸をソックスレー蒸留器により抽出し、毎回、油剤を含有する炭素繊維原糸を10g取り、アセトンを沸騰溶媒に加熱して抽出し、抽出時間は4時間とした。ボトル内に残った残留重量を算出すれば油付着率を求めることができる。油剤残留重量は、TGA(熱重量損失機器)によりシステム記録からデータを得、油剤が275℃及び430℃に昇温した状態であり、テストの結果を表2に示す。
本試験例では、各実施例及び各比較例について、標準的方法であるASTM D4018-99を用いて炭素繊維の強度テストを行った。テストの結果を表3に示す。
Claims (10)
- 油剤を形成するように、γ-ジビニルトリアミンプロピルメチルジメトキシシラン及びN-(β-アミノエチル)-γ-アミノプロピルメチルジメトキシシランを含むシリコーンオイル組成物と、乳化剤と、を均一に混合する乳化ステップと、
炭素繊維前駆体を形成するように、炭素繊維原糸を前記油剤に浸漬し、前記油剤を前記炭素繊維原糸の表面に付着させる給油ステップと、
炭素繊維を形成するように、前記炭素繊維前駆体に対して焼成を行う焼成ステップと、を含む炭素繊維の製造方法。 - 前記γ-ジビニルトリアミンプロピルメチルジメトキシシランと前記N-(β-アミノエチル)-γ-アミノプロピルメチルジメトキシシランとの重量比は、7:3~8:2にある請求項1に記載の炭素繊維の製造方法。
- 空気中で前記油剤に対して熱重量分析を行い、温度が273℃~277℃である場合、前記油剤の重量は前記油剤の元の重量の90%~95%より大きい請求項1に記載の炭素繊維の製造方法。
- 温度が428℃~432℃である場合、前記油剤の重量は前記油剤の元の重量の80%~85%より大きい請求項3に記載の炭素繊維の製造方法。
- 前記給油ステップにおいて、前記油剤の油付着率は、0.5%~0.8%にある請求項1に記載の炭素繊維の製造方法。
- 前記シリコーンオイル組成物を形成するように、前記γ-ジビニルトリアミンプロピルメチルジメトキシシランと、前記N-(β-アミノエチル)-γ-アミノプロピルメチルジメトキシシランとを、回転数300~1000rpmで均一に混合する混合ステップを更に含む請求項1に記載の炭素繊維の製造方法。
- 前記混合ステップは、50℃~65℃の温度で行われる請求項6に記載の炭素繊維の製造方法。
- 前記乳化ステップは、
前記油剤を形成するように、前記シリコーンオイル組成物、前記乳化剤及び脱イオン水を均一に混合することを更に含み、また、前記シリコーンオイル組成物と前記乳化剤と前記脱イオン水との重量比が(12~40):(3~15):(45~85)である請求項1に記載の炭素繊維の製造方法。 - 前記乳化剤は、非イオン界面活性剤、カチオン界面活性剤、アニオン界面活性剤又はそれらの組み合わせを含む請求項1に記載の炭素繊維の製造方法。
- 前記非イオン界面活性剤は、ポリオキシエチレンエーテル・ポリオキシプロピレンエーテルブロック共重合体、トリスチリルフェニルエーテル・エチレンオキシド/プロピレンオキシドブロック共重合体又はそれらの組み合わせを含む請求項9に記載の炭素繊維の製造方法。
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