ADHESIVE FILM, ADHESIVE COMPOSITION THEREFOR AND DISPLAY MEMBER COMPRISING SAME

• Main Authors: SONG, Ki Tae, KIM, Il Jin, KIM, Won, KIM, Ji Ho, SHIN, Dong Myeong
• Format: Patent
• Language: English; French; Korean
• Published: 18.04.2019
• 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 are: an adhesive film formed from an adhesive composition comprising a urethane resin, an isocyanate curing agent, a multifunctional (meth)acrylate monomer, a photoinitiator and a thermal initiator; the adhesive composition therefor; and a display member comprising same, wherein the adhesive film has a peel strength ratio represented by formula 1 of at most 0.1, an initial peel strength of at least 30gf/25mm, and, according to a dispersion assessment method, a maximum load at which particles or burrs by the scattering of the adhesive film are not generated of at least 1kg. L'invention concerne : un film adhésif formé à partir d'une composition adhésive comprenant une résine d'uréthane, un agent de durcissement d'isocyanate, un monomère (méth)acrylate multifonctionnel, un photo-initiateur et un initiateur thermique ; la composition adhésive pour celui-ci ; et un élément d'affichage le comprenant, le film adhésif ayant un rapport de résistance au pelage représenté par la formule 1 d'au plus 0,1, une résistance initiale au pelage d'au moins 30 gf/25 mm et, selon un procédé d'évaluation de dispersion, une charge maximale à laquelle des particules ou des bavures provoquées par la diffusion du film adhésif ne sont pas générées d'au moins 1 kg. 우레탄 수지, 이소시아네이트 경화제, 다관능 (메트)아크릴레이트 모노머, 광 개시제 및 열 개시제를 포함하는 점착제 조성물로 형성되는 점착 필름이고, 상기 점착 필름은 식 1의 박리 강도의 비가 0.1 이하이고, 상기 점착 필름은 초기 박리 강도가 30gf/25mm 이상이고, 상기 점착 필름은 비산성 평가 방법에 의할 때, 상기 점착 필름의 비산에 의한 분진(Particle) 또는 Burr가 발생되지 않은 최대의 하중이 1kg 이상인 것인 점착 필름, 이를 위한 점착제 조성물 및 이를 포함하는 디스플레이 부재가 제공된다.