发明名称 |
Prepeg for fiber reinforced plastic and production process |
摘要 |
<p>Provided are a prepreg for FRP (fiber reinforced plastic) which comprises a matrix resin composition containing a bifunctional isocyanate and/or a trifunctional isocyanate, a polyol and a bifunctional chain extender having two active hydrogen groups at a molar ratio, as a functional group, of isocyanate: polyol: chain extender = 5.0 to 1.0 : 1.0 : 4.0 to 0, or containing a bifunctional isocyanate and/or a trifunctional isocyanate and a polyol at a molar ratio, as a functional group, of liquid isocyanate: polyol = 0.9 to 1.1 : 1.0; and a fibrous material; and a production process of the prepreg. According to the present invention, the prepreg for FRP has a sufficient pot life and permits convenient production of an FRP molding.</p> |
申请公布号 |
EP2151459(A3) |
申请公布日期 |
2012.04.18 |
申请号 |
EP20090176383 |
申请日期 |
2003.12.17 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
HAYASHI, NORIYA;HAYASHI, SHUNICHI;MIWA, NORIO;NOHARA, TOSHIKATSU |
分类号 |
C08G18/66;B32B5/28;C08G18/48;C08G18/79;C08J5/24 |
主分类号 |
C08G18/66 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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