ADHESIVE COMPOSITION AND OPTICAL FILM

• Main Authors: NAKANO HIROTO, FURUE NAOMI, HATTORI SHINYA, KAMOI AKIRA
• Format: Patent
• Language: English; Japanese
• Published: 05.02.2015
• 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; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PAINTS; PHYSICS; POLISHES; USE OF MATERIALS AS ADHESIVES

PROBLEM TO BE SOLVED: To provide an adhesive composition for an optical film used for sticking the optical film, exhibiting excellent durability even under high temperature and high moisture environment as well as inhibiting generation of voids, and to provide an optical film with an adhesive.SOLUTION: There is provided an adhesive composition containing 100 pts.wt. of (A) an acrylic copolymer containing a reactive functional group and 5 pts.wt. or more and 30 pts.wt. or less of (B) an isocyanate compound. 【課題】光学フィルムの貼着に使用され、高温高湿の環境下においても優れた耐久性を示すと共に、白ヌケの発生を抑制する光学フィルム用粘着剤組成物、及び粘着剤付光学フィルムを提供することを目的とする。【解決手段】反応性官能基を含有するアクリル系共重合体（Ａ）と、アクリル系共重合体（Ａ）１００重量部に対して、５重量部以上３０重量部以下、添加されるイソシアネート化合物（Ｂ）とを含む粘着剤組成物。【選択図】なし