申请人:Council of Scientific and Industrial Research
公开号:US06307055B1
公开(公告)日:2001-10-23
The invention pertains to novel UV absorbing diol of the general formula:
wherein R1 is hydrogen, tert-butyl; X1 is selected the group consisting of hydrogen, halogen, tert-butyl and C1 to C12 alkoxy; R2 is C1 to C8 linear or branched alkyl, and to a process for the preparation thereof.
本发明涉及一种新型的紫外线吸收二元醇,其一般式如下:其中,R1为氢、叔丁基;X1被选择为由氢、卤素、叔丁基和C1至C12烷氧基组成的基团;R2为C1至C8线性或支链烷基,以及其制备方法。