The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 11, 2019
Filed:
Feb. 18, 2015
Composition for preparing polyimide-inorganic composite material, and article prepared by using same
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Chung Kun Cho, Suwon-si, KR;
Woo-Jin Bae, Yongin-si, KR;
Fedosya Kalinina, Hwaseong-si, KR;
Mikhail Kovalev, Suwon-si, KR;
SAMSUNG ELECTRONICS., LTD., Gyeonggi-Do, KR;
Abstract
A composition for preparing a polyimide-inorganic composite material including: a polyamic acid represented by Chemical Formula 1, a polyimide represented by Chemical Formula 2, or a combination thereof; an inorganic particle precursor; and water, wherein the polyamic acid, the polyimide, or the combination thereof is a reaction product of a dicarboxylic acid anhydride and a diamine, wherein the mole ratio of the diamine to the dicarboxylic acid anhydride is greater than 0.93 and less than 0.95, and wherein the inorganic particle precursor is included in an amount to provide an inorganic particle in an amount of greater than or equal to about 30 weight % and less than or equal to about 60 weight % based the total weight of the polyimide-inorganic composite material prepared: