MODIFIER FOR AROMATIC POLYESTER AND AROMATIC POLYESTER RESIN COMPOSITION COMPRISING THE SAME
申请人:TABATA Masayoshi
公开号:US20110224343A1
公开(公告)日:2011-09-15
The present invention provides a modifier for aromatic polyesters which enhances the melt fluidity of aromatic polyesters without a significant decrease in the heat resistance of the aromatic polyesters, and an aromatic polyester resin composition including the modifier for aromatic polyesters. The present invention relates to a modifier for aromatic polyesters comprising polyhydric phenol residues and residues of aromatic polycarboxylic acid, acid halide or acid anhydride thereof, and the modifier comprises a material having a structure composed of a first residue selected from the group consisting of divalent residues represented by Formula (I): —Ar—W
1
x
—Ar— and by Formula (II): —Ar—, the first residues being bonded to two identical or different second residues selected from the group consisting of monovalent residues represented by Formula (III):
and monovalent residues represented by Formula (IV): —O—C(O)—R
7
—.
本发明提供了一种用于芳香族聚酯的改性剂,可以增强芳香族聚酯的熔融流动性,而不明显降低芳香族聚酯的耐热性,以及包括该改性剂的芳香族聚酯树脂组合物。本发明涉及一种用于芳香族聚酯的改性剂,包括多羟基酚残基和芳香族多羧酸、酸卤或其酸酐残基,该改性剂包括具有以下结构的材料:第一残基,选择自由式(I)所代表的二价残基:—Ar—W1x—Ar—和自由式(II)所代表的:—Ar—,第一残基与选择自由式(III)所代表的单价残基:和自由式(IV)所代表的单价残基:—O—C(O)—R7—的两个相同或不同的第二残基结合。