JP2015516497A - 速硬性エポキシ樹脂及びそれらから得られたプリプレグ - Google Patents
速硬性エポキシ樹脂及びそれらから得られたプリプレグ Download PDFInfo
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- JP2015516497A JP2015516497A JP2015512055A JP2015512055A JP2015516497A JP 2015516497 A JP2015516497 A JP 2015516497A JP 2015512055 A JP2015512055 A JP 2015512055A JP 2015512055 A JP2015512055 A JP 2015512055A JP 2015516497 A JP2015516497 A JP 2015516497A
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Classifications
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- C08G59/4014—Nitrogen containing compounds
- C08G59/4021—Ureas; Thioureas; Guanidines; Dicyandiamides
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- C08G18/0819—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups
- C08G18/0823—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups containing carboxylate salt groups or groups forming them
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/4211—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups derived from aromatic dicarboxylic acids and dialcohols
- C08G18/4219—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups derived from aromatic dicarboxylic acids and dialcohols from aromatic dicarboxylic acids and dialcohols in combination with polycarboxylic acids and/or polyhydroxy compounds which are at least trifunctional
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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Abstract
Description
62wt%ジシアンジアミド(DICY)
31wt%Dyhard UR500(2,4−トルエンビスジメチル尿素と2,6−トルエンビスジメチル尿素促進剤とのブレンド)
7wt%Sipernat D17(Evonikからのシリカ系凝結防止剤)
を含む粉末化された硬化剤系14.35wt%と、半固体ビスフェノール−Aを主成分とする樹脂LY1589(Huntsmanから)85.65wt%との混合から調製される以下の例を参照して、本発明を例示する。
R(%)=(m1−(m2×f))/m1×100
[式中、f=5.09]。
Claims (35)
- 硬化剤が分散している半固体エポキシ樹脂を含む組成物であって、前記硬化剤が、21℃の周囲温度で粒子の少なくとも90%が25μm未満のサイズを有するような粒径を有する上記組成物。
- 前記硬化剤の少なくとも90%が10μm未満の平均粒径を有する、請求項1に記載の組成物。
- 前記硬化剤の少なくとも98%が10μm未満の粒径を有する、請求項1又は請求項2に記載の組成物。
- 前記硬化剤が前記樹脂と硬化剤系との合計重量の5から20重量%を構成する、請求項1から請求項3までのいずれか一項に記載の組成物。
- 前記硬化剤系が潜在性硬化剤と促進剤の混合物である、請求項1から請求項4までのいずれか一項に記載の組成物。
- 前記硬化剤がジシアンジアミドを含む、請求項1から請求項5までのいずれか一項に記載の組成物。
- 尿素誘導体を含む、請求項6に記載の硬化剤。
- 前記硬化剤が該組成物の2重量%から15重量%を構成し、前記促進剤が該組成物の1重量%から10重量%を構成する、請求項5から請求項7までのいずれか一項に記載の組成物。
- 硬化されて120℃で10分以内に95%硬化及び130℃で6分以内に95%硬化を達成することができる、請求項1から請求項8までのいずれか一項に記載の組成物。
- 前記組成物の3から15重量%、好ましくは前記組成物の4から6重量%の範囲内及び/又は上記の範囲の組合せの範囲内の強化剤又は改質剤をさらに含む、請求項1から請求項9までのいずれか一項に記載の組成物。
- 前記強化剤又は改質剤がニトリルゴムを含み、前記ニトリルゴムが、ニトリルゴムで改質されたビスFエポキシブロックコポリマーの形態であってもよい、請求項10に記載の組成物。
- 繊維材料及び請求項1から11までのいずれか一項で定義された組成物を含むプリプレグ。
- 半固体エポキシ樹脂と、周囲温度で粒子の少なくとも90%が25μm未満のサイズを有するような粒径の硬化剤とを連続的に混合するステップを含む、速硬性エポキシ樹脂の製造方法。
- 前記硬化剤の少なくとも90%が10μm未満の平均粒径を有する、請求項13に記載の方法。
- 前記硬化剤の少なくとも98%が10μm未満の粒径を有する、請求項13又は請求項14に記載の方法。
- 前記硬化剤が、前記樹脂と硬化剤系との合計重量の5から20重量%を構成する、請求項13から請求項15までのいずれか一項に記載の方法。
- 前記硬化剤系が潜在性硬化剤と促進剤の混合物である、請求項13から請求項16までのいずれか一項に記載の方法。
- 前記硬化剤がジシアンジアミドを含む、請求項13から請求項17までのいずれか一項に記載の方法。
- 前記硬化剤が尿素誘導体を含む、請求項18に記載の方法。
- 前記硬化剤が該組成物の2重量%から15重量%を構成し、促進剤が該組成物の1重量%から10重量%を構成する、請求項13から請求項19のいずれか一項に記載の方法。
- プリプレグを連続的に製造する方法であって、半固体エポキシ樹脂と、周囲温度で粒子の少なくとも90%が25μm未満のサイズを有するような粒径の硬化剤とを混合するステップと、所望により、該混合物を35から80℃の間の温度に加熱するステップと、移動する繊維状のウェブ上に該混合物を連続的に分配してプリプレグを製造するステップとを含む上記方法。
- −10℃から80℃、又は0℃から90℃、又は20から80℃、又は30から80℃、又は35から60℃、又は15から25℃の範囲内の温度及び/又は上記の温度範囲及び値の組合せにおいて前記混合が行われる、請求項21に記載の方法。
- 前記混合が前記混合温度で起こり得る滞留時間が、10秒から30分、10秒から20分、30秒から15分、1分から20分、2分から10分、5分から10分の範囲及び/又は上記の範囲及び値の組合せであり得る、請求項21又は請求項22に記載の方法。
- 混合に続いて、前記混合物が35℃未満、又は30℃、25℃、20℃、15℃、10℃若しくは5℃未満の温度に冷却されてもよい、請求項21から請求項23のいずれか一項に記載の方法。
- 基材に結合された、周囲温度で粒子の少なくとも90%が25μm未満のサイズを有するような粒径の硬化剤を含有する繊維材料及び半固体エポキシ樹脂を含む硬化プリプレグを含む複合構造。
- 前記硬化剤の少なくとも90%が10μm未満の平均粒径を有する、請求項25に記載の構造。
- 前記硬化剤の少なくとも98%が10μm未満の粒径を有する、請求項25又は請求項26に記載の構造。
- 前記硬化剤が前記樹脂と硬化剤系との合計重量の5から20重量%を構成する、請求項25から請求項27のいずれか一項に記載の構造。
- 前記硬化剤系が潜在性硬化剤と促進剤の混合物である、請求項25から請求項28のいずれか一項に記載の構造。
- 前記硬化剤がジシアンジアミドを含む、請求項25から請求項29のいずれか一項に記載の複合構造。
- 前記硬化剤が尿素誘導体を含む、請求項30に記載の複合構造。
- 前記基材がアルミニウムなどの金属である、請求項25から請求項31のいずれか一項に記載の複合構造。
- 前記硬化プリプレグとアルミニウムの間の結合の剥離強度が1平方ミリメートル当たり1Nを超える、好ましくは3N/mm2を超える、より好ましくは5.5N/mm2を超える、より好ましくは5.75N/mm2を超える、請求項32に記載の複合構造。
- 剥離強度が、3N/mm2から13N/mm2、好ましくは5.5N/mm2から11N/mm2、より好ましくは5.75N/mm2から6.1N/mm2の範囲内及び/又は上記の範囲の組合せである、請求項33に記載の複合構造。
- 請求項25から請求項34のいずれか一項に記載の複合材料の、スキーの製造における使用。
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PCT/EP2013/060111 WO2013171292A1 (en) | 2012-05-18 | 2013-05-15 | Fast cure epoxy resins and prepregs obtained therefrom |
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GB201411586D0 (en) * | 2014-06-30 | 2014-08-13 | Hexcel Composites Ltd | Adhesive composition |
EP3237504B1 (en) | 2014-12-24 | 2020-07-29 | Hexcel Holding GmbH | Improved fast cure epoxy resins and prepregs obtained therefrom |
US20170021596A1 (en) * | 2015-05-05 | 2017-01-26 | Sunrez Corp. | Fiber Reinforced Core |
BR112018005304A2 (pt) * | 2015-10-13 | 2018-10-09 | Dow Global Technologies Llc | composição de epóxi de cura rápida para uso em processos de fabricação de alto rendimento |
CN106349650A (zh) * | 2016-08-29 | 2017-01-25 | 江苏恒神股份有限公司 | 环氧树脂组合物及制备方法、预浸料及复合材料制备方法 |
CN107033550A (zh) * | 2017-03-07 | 2017-08-11 | 珠海辉帛复合材料有限公司 | 一种纤维预浸料用快速固化树脂及其制备方法 |
WO2019005237A1 (en) | 2017-06-29 | 2019-01-03 | Dow Global Technologies Llc | EPOXY-FIBER REINFORCED COMPOSITES, PROCESS FOR FORMING COMPOSITES, AND EPOXY RESIN COMPOSITION USED THEREFOR |
CN110218412A (zh) * | 2018-03-01 | 2019-09-10 | 浙江全米特新材料科技有限公司 | 混杂纤维预浸料 |
CN108641287A (zh) * | 2018-04-13 | 2018-10-12 | 航天材料及工艺研究所 | 一种环氧树脂体系、制备方法及预浸料 |
CN108892925A (zh) * | 2018-05-25 | 2018-11-27 | 黑龙江省科学院石油化学研究院 | 一种防雷击复合材料表面膜及其制备方法和应用 |
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- 2013-05-15 EP EP13723138.7A patent/EP2850119B8/en active Active
- 2013-05-15 US US14/400,388 patent/US20150132566A1/en not_active Abandoned
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BR112014026244A2 (pt) | 2017-06-27 |
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CN104271631A (zh) | 2015-01-07 |
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