申请人:Miyoshi Oil & Fat Co., Ltd.
公开号:EP3712138A1
公开(公告)日:2020-09-23
Provided is a benzotriazole compound that efficiently absorbs UV rays having a long wavelength of 360-400 nm, i) having excellent solubility in a monomer of a resin raw material, being dissolvable at a high concentration, polymerizing at excellent reactivity, and yielding a high-molecular-weight resin member and a transparent resin member, or ii) having exceptional heat resistance. This benzotriazole compound is represented by formula (I), where at least one of R1-R9 is represented by formula (i-1), (where R10 and R11 are hydrocarbon groups, etc., and R12 is represented by formula (i-2) or formula (i-3) (in formula (i-2), A1 represents a divalent group selected from nitrogen-containing groups, oxygen-containing groups, sulfur-containing groups, phosphorus-containing groups, and phenylene groups, and R12a-R12c and X represent hydrocarbon groups, etc.; and in formula (i-3), A2 represents a divalent group selected from nitrogen-containing groups, oxygen-containing groups, sulfur-containing groups, and phosphorus-containing groups, and Xa and Xb represent hydrocarbon groups, etc.)).
本发明提供了一种苯并三唑化合物,它能有效吸收波长为 360-400 纳米的长紫外线,i) 在树脂原料的单体中具有极佳的溶解性,可在高浓度下溶解,聚合反应性极佳,并能生成高分子量树脂构件和透明树脂构件,或 ii) 具有优异的耐热性。这种苯并三唑化合物由式(I)表示,其中 R1-R9 至少有一个由式(i-1)表示,(其中 R10 和 R11 是烃基等),R12 由式(I-2)表示、和 R12 由式(i-2)或式(i-3)表示(在式(i-2)中,A1 代表选自含氮基团、含氧基团、含硫基团、含磷基团和亚苯基的二价基团,R12a-R12c 和 X 代表烃基等。在式 (i-3) 中,A2 代表选自含氮基团、含氧基团、含硫基团和含磷基团的二价基团,Xa 和 Xb 代表烃基团等)。