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21. 发明授权

US4786660A Method for making curable casting resins 失效
标题翻译：可固化铸塑树脂的制备方法
公开(公告)号：US4786660A
公开(公告)日：1988-11-22
申请号：US902937
申请日：1986-09-02
申请人： Guenther Ittmann , Manfred Krieg
发明人： Guenther Ittmann , Manfred Krieg
IPC分类号： C08F2/44 , C08F20/00 , C08F20/12 , C08K5/17 , C08K5/5425 , C08K5/24
CPC分类号： C08K5/17 , C08K5/5425 , Y10T428/259
摘要： A method for making curable casting resins having a high content of finely divided inorganic fillers and comprising esters of acrylic or methacrylic acid and organosilicon compounds used as adhesion promoters, which method involves mixing the liquid polymer precursor comprising acrylic or methacrylic esters with the organosilicon compound and with an alkylamine as a catalyst for the organosilicon compound, the finely divided inorganic fillers being incorporated into the resulting mixture in such amounts that the viscosity of the mixture does not exceed 10 Pa.sec, the resulting thixotropic suspension then being transformed into a completely deflocculated low viscosity suspension by being allowed to stand for a sufficient length of time at room temperature or by short term heating.
摘要翻译：一种制备具有高含量的细分无机填料并包含丙烯酸或甲基丙烯酸酯和用作粘合促进剂的有机硅化合物的可固化浇铸树脂的方法，该方法包括将包含丙烯酸或甲基丙烯酸酯的液体聚合物前体与有机硅化合物混合，以及用烷基胺作为有机硅化合物的催化剂，将细碎的无机填料以这样的量加入到所得混合物中，使得混合物的粘度不超过10Pa·s，所得到的触变性悬浮液然后转化为完全抗絮凝通过在室温下或通过短期加热使其静置足够长的时间来制备低粘度悬浮液。

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