US 12,331,139 B2
Method of preparing vinyl chloride-based polymer composite
Kun Ji Kim, Daejeon (KR); Seong Yong Ahn, Daejeon (KR); Heung Kwon Bae, Daejeon (KR); Se Woong Lee, Daejeon (KR); and Hyun Kyou Ha, Daejeon (KR)
Assigned to LG CHEM, LTD., Seoul (KR)
Appl. No. 17/781,223
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Jun. 25, 2021, PCT No. PCT/KR2021/008027
§ 371(c)(1), (2) Date May 31, 2022,
PCT Pub. No. WO2022/005118, PCT Pub. Date Jan. 6, 2022.
Claims priority of application No. 10-2020-0082134 (KR), filed on Jul. 3, 2020.
Prior Publication US 2023/0002517 A1, Jan. 5, 2023
Int. Cl. C08L 27/06 (2006.01); C08F 2/02 (2006.01); C08F 14/06 (2006.01); C08L 39/06 (2006.01)
CPC C08F 14/06 (2013.01) [C08F 2/02 (2013.01); C08L 39/06 (2013.01); C08L 27/06 (2013.01); C08L 2201/08 (2013.01); C08L 2201/10 (2013.01)] 9 Claims
 
1. A method of preparing a vinyl chloride-based polymer composite, comprising:
bulk-polymerizing vinyl chloride-based monomers to prepare a vinyl chloride-based polymer; and
preparing the vinyl chloride-based polymer composite including the vinyl chloride-based polymer and polyvinylpyrrolidone.