申请人:KANEGAFUCHI KAGAKU KOGYO KABUSHIKI KAISHA
公开号:EP0764692A1
公开(公告)日:1997-03-26
There are provided a polyethylene terephthalate resin composition in which to 100 parts by weight of a polyethylene terephthalate resin (A) polymerized by use of a germanium catalyst and having at least 80 % of an ethylene terephthalate repetition unit, 0.05 to 30 parts by weight of a compound selected from the group consisting of an epoxy compound having at least two intramolecular epoxy groups without any intramolecular ester linkage and a carbodiimide compound (B) is formulated, and resin compositions in which a fibrous reinforcing material (C), a block copolymer (D) and an inorganic nucleating agent (E) are further formulated in above mentioned composition. The reisn composition of the present invention is excellent in moist heat resistance, fluidity and mechanical strength, and in addition, can be subjected to high cycle molding even in a mold of a low temperature to yield a molded article with improved surface characteristics.
本发明提供了一种聚对苯二甲酸乙二醇酯树脂组合物,在该组合物中,按重量计,100 份使用锗催化剂聚合的聚对苯二甲酸乙二醇酯树脂(A)中至少有 80%的对苯二甲酸乙二醇酯重复单元,0.05 至 30 份(重量)的选自具有至少两个分子内环氧基团而无任何分子内酯连接的环氧化合物和碳化二亚胺化合物(B)所组成的组的化合物,以及在上述组合物中进一步配制纤维增强材料(C)、嵌段共聚物(D)和无机成核剂(E)的树脂组合物。本发明的树脂组合物具有优异的耐湿热性、流动性和机械强度,此外,即使在低温模具中也能进行高循环成型,从而获得具有更好表面特性的成型品。