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US 2026/0132251 A1Published application
Polyalkylenecarbonate resin composition and method for preparing the same
AssigneeLG Chem, Ltd.
InventorsBo Ra Shin, So Hee Bang, Min Ji Ahn, Sang Woo Kim, Seo Yeon Lim
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Abstract
A polyalkylene carbonate resin composition with excellent thermal stability, and a method for preparing the same. The polyalkylenecarbonate resin composition includes polyalkylenecarbonate, a chain extender, and at least one additive selected from among an organic acid and an acid anhydride.
Claims20
A polyalkylenecarbonate resin composition comprising:
- polyalkylenecarbonate;
- a chain extender;
- and
- at least one additive selected from an organic acid and an acid anhydride.
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A method for preparing a polyalkylenecarbonate resin composition, the method comprising:
- preparing a polymer including polyalkylenecarbonate by polymerizing an alkylene oxide compound and carbon dioxide in a solvent in the presence of a catalyst as a step (S1):
- adding, to the polymer, a chain extender and at least one additive selected from an organic acid, and an acid anhydride, and agitating as a step (S2);
- and
- removing the solvent as a step (S3).
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Dependencies are inferred from the claim text.