Removal-type pressure-sensitive adhesive and surface protection film
The present invention provides a re-releasable adhesive excellent in re-releasability, moist heat resistance, wettability and punching workability. The re-releasable adhesive comprises a urethane resin which is a reaction product of a polyol and a polyisocyanate, a curing agent, an ester compound ex...
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Main Authors | , |
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Format | Patent |
Language | English Korean |
Published |
28.08.2017
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Subjects | |
Online Access | Get full text |
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Summary: | The present invention provides a re-releasable adhesive excellent in re-releasability, moist heat resistance, wettability and punching workability. The re-releasable adhesive comprises a urethane resin which is a reaction product of a polyol and a polyisocyanate, a curing agent, an ester compound excluding a urethane resin, and a deterioration inhibitor, wherein the polyol contains 50 wt% or more of a polyester polyol in 100 wt% of total polyol.
본 발명은 재박리성, 내습열성, 젖음성이 우수하고, 또한 타발 가공성도 뛰어난 재박리형 점착제를 제공한다. 폴리올과 폴리이소시아네이트의 반응 생성물인 우레탄 수지, 경화제, 에스테르 화합물(단, 우레탄 수지인 경우는 제외) 및 변질 방지제를 포함하고, 상기 폴리올이 전체 폴리올 100질량% 중, 폴리에스테르 폴리올을 50질량% 이상 함유하는 재박리형 점착제이다. |
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Bibliography: | Application Number: KR20170012641 |