ADHESIVE COMPOSITION AND ADHESIVE SHEET USING SAME

Title:

ADHESIVE COMPOSITION AND ADHESIVE SHEET USING SAME

Document Type and Number:

WIPO Patent Application WO/2022/139320

Kind Code:

A1

Abstract:

The present invention provides an adhesive composition comprising: an urethane oligomer having a radical polymerizable functional group at one or more ends thereof; a diluted monomer; and a photoinitiator, wherein after being cured, the adhesive layer has a storage modulus (G') of 3 to 30 kPa at -20°C and 1Hz and a flexural stress of 190 gf or less when bent at a bending diameter of 1.5R. The adhesive composition according to the present invention can secure reliability and exhibit excellent folding performance when applied to a rollable display.

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Inventors:

JUNG KYOUNGMOON (KR)
LEE SEONGCHUL (KR)
CHO SUNGHOON (KR)
HWANG INOH (KR)

Application Number:

PCT/KR2021/019157

Publication Date:

June 30, 2022

Filing Date:

December 16, 2021

Export Citation:

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Assignee:

DONGWOO FINE CHEM CO LTD (KR)

International Classes:

C09J4/06; C08F2/48; C08F290/06; C08G18/24; C08G18/42; C08G18/75; C09J7/30; C09J175/14

Domestic Patent References:

WO2019244499A1

2019-12-26

Foreign References:

JP2019218475A	2019-12-26
KR20120119442A	2012-10-31
KR20200136020A	2020-12-04
KR101922646B1	2018-11-27

Attorney, Agent or Firm:

YU, Su Mi (KR)

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