GASKET FOR SECONDARY BATTERY AND SECONDARY BATTERY COMPRISING SAME

Title:

GASKET FOR SECONDARY BATTERY AND SECONDARY BATTERY COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2019/164371

Kind Code:

A1

Abstract:

The present invention relates to a gasket for a secondary battery comprising a base resin and a rust preventive, wherein the base resin comprises polybutylene terephthalate and the rust preventive comprises a rust preventing material and a polymer resin, the base resin and the polymer resin being different from each other, and the rust preventing material comprising at least one of the compounds of the following formulas 1-1 and 1-2. [formula 1-1] A1-R1 [formula 1-2] A1-R2-A2, wherein R1 is any one selected from the group consisting of a linear alkyl group of 8 to 20 carbon atoms, a branched alkyl goup of 8 to 20 carbon atoms, an alkenyl group of 8 to 20 carbon atoms, an akynyl group of 8 to 20 carbon atoms, and an aryl group of 8 to 18 carbon atoms, R2 is any one selected from the group consisting of a linear alkylene group of 8 to 20 carbon atoms, a branched alkylene group of 8 to 20 carbon atoms, an alkenylene group of 8 to 20 carbon atoms, an alkynylenyl group of 8 to 20 carbon atoms, and an arylene group of 8 to 18 carbon atoms, and A1 and A2 are each independently any one selected from the group consisting of a carboxyl group, an amino group, a nitro group, a hydroxy group, and a fluorine group.

Inventors:

LEE BYOUNG GU (KR)
KIM DO GYUN (KR)
JUNG SANG SUK (KR)
SHIN HANG SOO (KR)
KIM CHAN BAE (KR)

Application Number:

PCT/KR2019/002287

Publication Date:

August 29, 2019

Filing Date:

February 25, 2019

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

C09D5/08; C09D167/02; H01M10/04; H01M50/147; H01M50/186; H01M50/193; H01M50/197; H01M50/198

Foreign References:

KR20170004042A	2017-01-10
JP2009197322A	2009-09-03
KR20160043724A	2016-04-22
KR20010089813A	2001-10-08
KR960007699B1	1996-06-08
KR100871674B1	2008-12-05
KR20010055181A	2001-07-04

Other References: