	US 11,965,080 B2
	Method of preparing carboxylic acid-modified nitrile-based copolymer latex
Jung Eun Kim, Daejeon (KR); Ji Hyun Kim, Daejeon (KR); Won Sang Kwon, Daejeon (KR); Myung Su Jang, Daejeon (KR); and Seung Whan Oh, Daejeon (KR)
Assigned to LG Chem, Ltd., Seoul (KR)
Appl. No. 17/299,571
Filed by LG Chem, Ltd., Seoul (KR)
PCT Filed Aug. 12, 2020, PCT No. PCT/KR2020/010680 § 371(c)(1), (2) Date Jun. 3, 2021, PCT Pub. No. WO2021/071078, PCT Pub. Date Apr. 15, 2021.
Claims priority of application No. 10-2019-0123894 (KR), filed on Oct. 7, 2019; and application No. 10-2020-0070902 (KR), filed on Jun. 11, 2020.
Prior Publication US 2022/0056247 A1, Feb. 24, 2022
Int. Cl. C08L 13/02 (2006.01); B29C 41/00 (2006.01); B29C 41/14 (2006.01); B29C 41/46 (2006.01); C08J 5/02 (2006.01); B29K 105/00 (2006.01); B29L 31/48 (2006.01)

CPC C08L 13/02 (2013.01) [B29C 41/003 (2013.01); B29C 41/14 (2013.01); B29C 41/46 (2013.01); C08J 5/02 (2013.01); B29K 2105/0064 (2013.01); B29L 2031/4864 (2013.01); C08J 2313/02 (2013.01); C08L 2312/00 (2013.01)]

14 Claims

1. A method of preparing a carboxylic acid-modified nitrile-based copolymer latex, comprising emulsion-polymerizing a monomer mixture including a conjugated diene-based monomer, an ethylenically unsaturated nitrile-based monomer, and an ethylenically unsaturated acid monomer in the presence of a cross-linking agent including glyoxal.