UNSATURATED GROUP-CONTAINING ESTER COMPOUND, POLYMER, THERMOSETTING RESIN COMPOSITION, AND CURED FILM
申请人:Kyoeisha Chemical Co., Ltd.
公开号:EP3640268A1
公开(公告)日:2020-04-22
It is an object of the present invention to provide an unsaturated group-containing ester compound which can be used as a raw material of a curable composition using transesterification reaction and which is inexpensive and has a good curability, and a polymer, a thermosetting resin composition, and a curable composition which containing the unsaturated group-containing ester compound, respectively.
An unsaturated group-containing ester compound having a chemical structure represented by the following general formula (1).
n1: 1 to 10
(in the formula, R1, R2, and R3 are the same or different and each is a hydrogen, an alkyl group, a carboxyl group, an alkyl ester group or a structure represented by R4-[COOR5];
R4 is an aliphatic, an alicyclic or an aromatic alkylene group with a number of atoms of 50 or less in the main chain, which may have one or more functional groups selected from the group consisting of an ester group, an ether group, an amide group, and a urethane and may have a side chain;
R5 is an alkyl group having 50 or less carbon atoms; and in the compound represented by the general formula (1), the R4-[COOR5] group may be a lactone structure represented by the following general formula (1-1).)
(Rx is a hydrocarbon group having 2 to 10 carbon atoms which may have a branched chain.)
本发明的目的是提供一种可用作使用酯交换反应的可固化组合物的原料、价格低廉且具有良好固化性的含不饱和基团酯化合物,以及分别含有该含不饱和基团酯化合物的聚合物、热固性树脂组合物和可固化组合物。
含不饱和基团酯化合物的化学结构由以下通式(1)表示。
n1:1 至 10
(式中,R1、R2 和 R3 相同或不同,且各自为氢、烷基、羧基、烷基酯基或 R4-[COOR5] 所代表的结构;
R4 是脂肪族、脂环族或芳香族亚烷基,其主链上的原子数不超过 50 个,可带有一个或多个官能团,这些官能团选自由酯基、醚基、酰胺基和氨基甲酸酯组成的组,并可带有侧链;
R5 是具有 50 个或更少碳原子的烷基;在通式 (1) 所代表的化合物中,R4-[COOR5] 基团可以是由以下通式 (1-1) 所代表的内酯结构)。
(Rx 是具有 2 至 10 个碳原子的烃基,可以是支链)。