ADHESIVE COMPOSITION FOR OPTICAL USE AND ADHESIVE LAYER FOR OPTICAL USE COMPRISING CURED PRODUCT THEREOF

• Main Authors: PARK, EUN KYUNG, LEE, SEUNG WON, CHOI, TAE YI, SEO, KWANG SU, KIM, JANG SOON
• Format: Patent
• Language: English; Korean
• Published: 01.11.2017
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMISTRY; DYES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; PAINTS; POLISHES; USE OF MATERIALS AS ADHESIVES

Provided is an adhesive composition for optical uses, comprising: a first isobutylene-isoprene rubber having the weight-average molecular weight (Mw) of 100,000 to 1,000,000 g/mol; and a second isobutylene-isoprene rubber having the Mw of 5,000 to 100,000 g/mol, wherein the first isobutylene-isoprene rubber and the second isobutylene-isoprene rubber include a hydroxy group, respectively. Moreover, provided is an adhesive layer comprising a cured product of the adhesive composition for optical uses. 중량평균분자량(Mw)이 100,000 g/mol 내지 1,000,000 g/mol 인 제1 이소부틸렌-이소프렌계 고무; 및 중량평균분자량(Mw)이 5,000 g/mol 내지 100,000 g/mol 인 제2 이소부틸렌-이소프렌계 고무를 포함하고, 상기 제1 이소부틸렌-이소프렌계 고무 및 상기 제2 이소부틸렌-이소프렌계 고무는 각각 히드록시기를 포함하는 광학용 점착제 조성물을 제공한다. 또한, 상기 광학용 점착제 조성물의 열경화물을 포함하는 점착층을 제공한다.