COMPOSITION FOR WINDOW FILM FLEXIBLE WINDOW FILM PREPARED USING THE SAME AND FLEXIBLE DISPLAY APPARATUS COMPRISING THE SAME

• Main Authors: PARK SI KYUN, KIM SUNG HAN, KIM JOO HUI, KANG KYOUNG KU, CHOI JIN HEE, LEE JUNG HYO
• Format: Patent
• Language: English; Korean
• Published: 14.03.2018
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

Provided are a composition for a window film, a flexible window film formed of the same and a flexible display device comprising the same. The composition for a window film comprises: a siloxane resin including chemical formula 1 or chemical formula 2 or a mixture thereof; a cross linking agent; and an initiator. The cross linking agent includes a 10 weight part to a 30 weight part with respect to a 100 weight part of the siloxane resin or the mixture. Chemical formula 1 is (R^1SiO_(3/2))_x(R^2SiO_(3/2))_y. Chemical formula 2 is (R^1SiO_(3/2))_x(R^3R^4SiO_(2/2))_z(R^2SiO^(3/2))_y. 화학식 1 또는 화학식 2를 포함하는 실록산 수지 또는 이들의 혼합물; 가교제; 및 개시제를 포함하고, 상기 가교제는 상기 실록산 수지 또는 이들의 혼합물 100중량부에 대해 10중량부 내지 30중량부로 포함되는 것인 윈도우 필름용 조성물, 이로부터 형성된 플렉시블 윈도우 필름 및 이를 포함하는 플렉시블 디스플레이 장치가 제공된다.