NOVEL ACID DIANHYDRIDE, METHOD FOR PREPARING SAME, AND POLYIMIDE PREPARED THEREFROM
申请人:KOLON INDUSTRIES, INC.
公开号:US20160115144A1
公开(公告)日:2016-04-28
The present invention relates to a novel acid dianhydride, a method for preparing the same, and a polyimide prepared therefrom. More specifically, the acid dianhydride according to the present invention is useful as a colorless transparent polyimide unit exhibiting excellent thermal stability and a low dielectric ratio, and the polyimide of the present invention has excellent solubility to an organic solvent compared with the conventional polyimide.
申请人:Kolon Industries, Inc. 코오롱인더스트리 주식회사(120100008461) Corp. No ▼ 135311-0013606BRN ▼138-81-56604
公开号:KR101548044B1
公开(公告)日:2015-08-27
본 발명은 신규 산 이무수물, 이의 제조방법 및 이로부터 제조된 폴리이미드에 관한 것으로, 보다 상세하게는 본 발명에 따른 화학식 1로 표시되는 산 이무수물은 우수한 열적 안정성과 낮은 유전율을 나타내는 무색투명한 폴리이미드의 단위체로서 유용하며, 본 발명의 폴리이미드는 통상의 폴리이미드에 비하여 유기용매에 대한 용해특성이 우수하다. <화학식 1>
This invention relates to a polyimide and a film using the same and, more particularly, to a polyimide, which can exhibit a low dielectric constant while retaining the superior properties thereof, and can thus be utilized as electronic materials such as protective materials or insulating materials for liquid crystal displays or semiconductors, and optical communication materials such as optical waveguide materials, and to a polyimide film including the same.