The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 19, 2023
Filed:
Oct. 30, 2019
Lg Chem, Ltd., Seoul, KR;
Jae Hyun Park, Daejeon, KR;
Hyun Min Lee, Daejeon, KR;
Hyun Kyou Ha, Daejeon, KR;
Kun Ji Kim, Daejeon, KR;
Kwang Jin Lee, Daejeon, KR;
Yang Jun Jeon, Daejeon, KR;
Jin Hyuck Ju, Daejeon, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
The present disclosure provides a method of preparing a vinyl chloride-based polymer, and the method provides excellent productivity while having reduced amount of a volatile organic compound generated so as to provide the vinyl chloride-based polymer suitable for an eco-friendly material, and improved foaming and viscosity properties of a plastisol including the prepared polymer, by adding a carbonate-based metal salt and a transition metal catalyst together, and controlling input time and amount of the transition metal catalyst.