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:
Dec. 10, 2019
Filed:
Nov. 29, 2016
Lg Chem, Ltd., Seoul, KR;
Jin Hyoung Lee, Daejeon, KR;
Young Min Kim, Daejeon, KR;
Su Jeong Han, Daejeon, KR;
Yoo Vin Kim, Daejeon, KR;
Young Hwan Jeong, Daejeon, KR;
Sun Haeng Chung, Daejeon, KR;
Jae Min Suk, Daejeon, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
The present disclosure relates a method of preparing a rubbery polymer, a rubbery polymer, and a graft copolymer and thermoplastic resin composition including the rubbery polymer. In accordance with the present disclosure, a rubbery polymer, in which a large-diameter rubbery polymer and a small-diameter rubbery polymer are formed in a desired ratio by controlling the contents, addition time points, and types of a crosslinking agent, an emulsifier, and a molecular weight regulator when a conjugated diene monomer, the crosslinking agent, the molecular weight regulator, and the emulsifier are polymerized, and a graft copolymer and thermoplastic resin composition having excellent surface gloss and mechanical properties are provided.