申请人:——
公开号:US20040049006A1
公开(公告)日:2004-03-11
A polyamide characterized in that the polyamide is obtained by thermal polycondensation of (a) dicarboxylic acid components comprising 10 to 80% by mole in total carboxylic acid components of 1,4-cyclohexanedicarboxylic acid having a trans/cis molar ratio of 50/50 to 97/3 and (b) an aliphatic diamine component is disclosed. The alicyclic polyamide having 1,4-cyclohexanedicarboxylic acid in a backbone thereof as a dicarboxylic acid unit, which is suitable as materials for various uses such as automotive parts, electric/electronics parts, industrial materials, engineering materials and daily household goods, and superior in heat resistance, low water absorption, light resistance, moldability and light weight, as well as superior in toughness, chemical resistance and appearance, and molded articles thereof.
本发明公开了一种聚酰胺,其特征在于该聚酰胺是通过热缩聚 (a) 1,4-环己烷二羧酸总羧酸组分中 10%至 80%(摩尔)的二羧酸组分(反式/顺式摩尔比为 50/50 至 97/3)和 (b) 脂肪族二胺组分得到的。这种脂环族聚酰胺以 1,4-环己烷二羧酸为二羧酸单元骨架,适用于汽车零件、电气/电子零件、工业材料、工程材料和日常生活用品等各种用途的材料,具有优异的耐热性、低吸水性、耐光性、可模塑性和轻质性,以及优异的韧性、耐化学性和外观,并可模塑成型。