发明名称 |
Ring-chain polymer containing triaryl-s-triazine ring and other heat-resistant heterocyclic rings |
摘要 |
A non-cross-linked or partly cross-linked triaryl-s-triazine ring containing polymer or copolymer is prepared by cyclopolymerizing an aromatic nitrile-modified oligomer or precursor in the presence of excess molar amounts of aromatic nitrile at temperatures above 100 DEG C. to provide a non-cross-linked triaryl-s-triazine extended chain structure. The excess moles of aromatic nitriles above that required to endcap the oligomer results in an extended chain structure. The polymers are useful as a matrix laminating resin in composites containing carbon fibers and similar refractory filler materials to produce desirable refractory materials exhibiting thermal-oxidative stability at elevated temperatures.
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申请公布号 |
US4555565(A) |
申请公布日期 |
1985.11.26 |
申请号 |
US19830480705 |
申请日期 |
1983.03.31 |
申请人 |
HSU, LI-CHEN |
发明人 |
HSU, LI-CHEN |
分类号 |
B29D30/04;B60C1/00;B60C7/10;C08G18/08;C08G73/06;C08K5/01;(IPC1-7):C08G73/06 |
主分类号 |
B29D30/04 |
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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