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1. 发明授权

US5534302A Method of preparing a fiber reinforced modified phenolic resin composite 失效
标题翻译：纤维增强改性酚醛树脂复合材料的制备方法
公开(公告)号：US5534302A
公开(公告)日：1996-07-09
申请号：US368886
申请日：1995-01-05
申请人： Chen-Chi M. Ma , Hew-Der Wu , Ming-Shiu Li
发明人： Chen-Chi M. Ma , Hew-Der Wu , Ming-Shiu Li
IPC分类号： C08J5/04 , C08L61/06 , C08L75/04 , B05D3/02
CPC分类号： C08J5/04 , C08L61/06 , C08J2361/06 , C08L75/04
摘要： A method for the preparation of a fiber reinforced modified phenolic resin composite, which comprises preparing a resole type phenolic resin having 60-75 wt % solid content and 5-10 wt % free aldehyde; preparing a blocked polyurethane resin having an average molecular weight of 2000-8000 and a viscosity of 500-1000 cps at 80.degree. C.; mixing the resole type phenolic resin, the blocked polyurethane resin and an acid catalyst at room temperature to form an impregnating resin, wherein the amount of the acid catalyst mixed is 2-10 wt %, based on the weight of the resole type phenolic resin, and the amount of the blocked polyurethane mixed is 5-20 wt %, based on the total weight of the mixed resins; and impregnating a plurality of filaments with the impregnating resin, and curing the impregnated filaments with a heat treatment to form a fiber reinforced modified phenolic resin composite.
摘要翻译：一种制备纤维增强改性酚醛树脂复合材料的方法，包括制备具有60-75重量％固体含量和5-10重量％游离醛的甲阶酚醛树脂; 在80℃下制备平均分子量为2000-8000，粘度为500-1000cps的封端聚氨酯树脂。将树脂型酚醛树脂，封端聚氨酯树脂和酸催化剂在室温下混合以形成浸渍树脂，其中混合的酸催化剂的量为2-10重量％，基于酚醛树脂酚醛树脂的重量，基于混合树脂的总重量，封闭聚氨酯混合物的量为5-20重量％; 并用浸渍树脂浸渍多根长丝，并通过热处理固化浸渍长丝，形成纤维增强改性酚醛树脂复合材料。

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