发明名称 ORGANIC ZINC CATALYST AND PREPARATION METHOD THEREOF
摘要 An organic zinc catalyst and a preparation method thereof are provided. According to the present invention, the organic zinc catalyst has a smaller thickness and a larger surface area to exhibit more improved activity in polymerization for the preparation of a poly(alkylene carbonate) resin.
申请公布号 US2016222159(A1) 申请公布日期 2016.08.04
申请号 US201414917898 申请日期 2014.10.30
申请人 LG CHEM, LTD. 发明人 KANG Seong Kyun;CHO Hyun Ju;KIM Sung-Kyoung;LEE Jong Won;PARK Seung Young;CHOI Hyeon
分类号 C08G64/34;C08G64/02 主分类号 C08G64/34
代理机构 代理人
主权项 1. A method of preparing an organic zinc catalyst, the method comprising reacting a zinc precursor and dicarboxylic acid having 3 to 20 carbon atoms to form zinc dicarboxylate-based particles in a liquid medium containing a polar solvent and a non-polar solvent at a volume ratio of 30:70 to 75:25.
地址 Seoul KR