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公开(公告)号:US4997891A
公开(公告)日:1991-03-05
申请号:US402968
申请日:1989-09-06
申请人: Robert W. Cicero , Tsutomu Iwasaki , Kenneth C. Heckeler , James M. Stanton , Kunihiko Yanagihara
发明人: Robert W. Cicero , Tsutomu Iwasaki , Kenneth C. Heckeler , James M. Stanton , Kunihiko Yanagihara
CPC分类号: H01B3/306 , C08G18/6438 , C08L79/08 , H01B3/302 , Y10T428/294
摘要: A solderable polyurethane wire enamel composition comprising a mixture of a blocked isocyanate and polyesterimide resin wherein the ratio of isocyanate groups in the blocked isocyanate to hydroxyl groups in the polyesterimide resin is about 0.82:1 to about 5.7:1 and the hydroxyl to carboxylic acid ratio of the raw materials used in preparing the polyesterimide is about 1.4:1 to about 2.5:1.
摘要翻译: 一种可焊接的聚氨酯线搪瓷组合物,其包含封端异氰酸酯和聚酯酰亚胺树脂的混合物,其中聚酯酰亚胺树脂中封端异氰酸酯与羟基的异氰酸酯基团的比例为约0.82:1至约5.7:1,羟基与羧酸的比例 用于制备聚酯酰亚胺的原料的量约为1.4:1至约2.5:1。