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 |