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:
Apr. 21, 2020
Filed:
Jun. 22, 2017
Taiwan Textile Research Institute, New Taipei, TW;
Taiwan Textile Research Institute, New Taipei, TW;
Abstract
A polyimide mixture including a polyimide and an amino-containing silica particle is provided. The polyimide includes a repeating unit represented by formula 1: wherein Ar includes and A includes The amino-containing silica particle is mixed with the polyimide, and is obtained by the hydrolysis condensation reaction of an alkoxysilane shown in formula 2 and an alkoxysilane shown in formula 3 in the presence of a catalyst:Si(OR)  formula 2,(NH—Y)—Si(OR)  formula 3,wherein in formula 2, Ris a C-Calkyl group; andin formula 3, Y is a C-Calkyl group or a C-Calkenyl group, Ris a C-Calkyl group, and m is an integer of 1 to 3.