Lg Chem, Ltd

Won Hee Woo

Seung Young Park

Heung Yeal Choi

Sung Kyoung Kim

Wan Kyu Oh

Kyung Min Min

Sang Cheol Shin

Won Seok Kim

Yujin An

Si Jung Park

The present disclosure provides a polyalkylene carbonate-based resin having excellent thermal stability, thereby having an improved heat shrinkage phenomenon, and a molded article produced using the same. The polyalkylene carbonate-based resin includes 100 parts by weight of a base resin including a polyalkylene carbonate resin and a polylactide resin, and 5 parts by weight to 10 parts by weight of a heat shrinkage prevention agent, wherein the base resin includes the polyalkylene carbonate resin and the polylactide resin in a weight ratio of 6:4 to 4:6, and the heat shrinkage prevention agent is one or more selected from the group consisting of a polyalkyl(meth)acrylate-based resin, a polyalphaolefin-vinyl acetate-based resin, and a polyoxyalkylene-based resin.

Polyalkylene carbonate-based resin, and molded article produced therefrom

The present disclosure relates to a method for separating an organozinc catalyst from a polyalkylene carbonate polymerization solution, and the method of the present disclosure includes: stirring and aging a polymerization solution including a polyalkylene carbonate resin, an organozinc catalyst, an alkylene oxide and a polymerization solvent; and filtering the polymerization solution after completing the aging.

Method for separating organozinc catalyst from polyalkylene carbonate polymerization solution

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Daejeon, South Korea

Won Hee Woo