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:
Oct. 16, 2018
Filed:
Nov. 03, 2016
Industrial Technology Research Institute, Hsinchu, TW;
Cheng-Jyun Huang, Taoyuan, TW;
Guang-Way Jang, Hsinchu, TW;
Shu-Chen Li, Yuanli Township, TW;
Po-Ju Chen, Kaohsiung, TW;
INDUSTRIAL TECHNOLOGY RESEARCH INSTITTUTE, Hsinchu, TW;
Abstract
A polyester is copolymerized with diacid monomer, esterified diacid monomer or a combination thereof with a polyol monomer. The diacid monomer, the esterified diacid monomer or the combination thereof includes (1) furan dicarboxylic acid, dialkyl furandicarboxylate, or a combination thereof or (2) furan dicarboxylic acid, dialkyl furandicarboxylate, or a combination thereof and spiro-diacid. The polyol monomer includes (3) C-Cpolyol or (4) C-Cpolyol and spiro-diol of Formula (I): and the spiro-diacid of Formula (II): The diacid monomer, esterified diacid monomer or combination thereof and polyol monomer meet: (a) The diacid monomer, the esterified diacid monomer or combination thereof includes (2) furan dicarboxylic acid, dialkyl furandicarboxylate, or the combination thereof and spiro-diacid or (b) The polyol monomer includes (4) C-Cpolyol and spiro-diol, and an amount of spiro-diol or spriro-diacid is 500 ppm to 2000 ppm based on a weight of furan dicarboxylic acid, dialkyl furandicarboxylate, or combination thereof.