Title:
LEAD SEALANT FILM, MANUFACTURING METHOD THEREFOR, AND SECONDARY BATTERY USING SAME
Document Type and Number:
WIPO Patent Application WO/2018/147662
Kind Code:
A1
Abstract:
The present invention relates to: a lead sealant film, which is resistant to modification while having a high adhesive property, for sealing the space between an electrode lead and a case; a manufacturing method therefor; and a secondary battery using the same. According to the present invention, the lead sealant film comprises: a first layer comprising an acid-modified copolymer, an elastomer, and a low-density polyolefin; a second layer attached on the first layer, and comprising an acid-modified copolymer, an elastomer, and a low-density polyolefin; and a third layer attached on the second layer, and comprising an acid-modified copolymer, an elastomer, and a vinyl-based copolymer.
Inventors:
CHO DAE HWAN (KR)
SONG JU MYUNG (KR)
KIM JAE GU (KR)
SON HYE RAN (KR)
KIM BONG GYU (KR)
SONG JU MYUNG (KR)
KIM JAE GU (KR)
SON HYE RAN (KR)
KIM BONG GYU (KR)
Application Number:
PCT/KR2018/001721
Publication Date:
August 16, 2018
Filing Date:
February 08, 2018
Export Citation:
Assignee:
NEPES CO LTD (KR)
International Classes:
B32B27/08; B32B27/32; B32B37/15; H01M50/105; H01M50/178
Foreign References:
| KR20090017706A | 2009-02-19 | |||
| KR20160052612A | 2016-05-12 | |||
| JP2016184500A | 2016-10-20 | |||
| KR20160062870A | 2016-06-03 | |||
| KR101394487B1 | 2014-05-15 |
Attorney, Agent or Firm:
PARK, Chong Han (KR)
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