Birch, Stewart, Kolasch & Birch, LLP
Diamine-diacid salt, copolymer and method for manufacturing the same
A method of forming a copolymer is provided, which includes (i) mixing a diamine and a diester to form a mixture, and heating the mixture to form a diamine compound, wherein the diamine compound has a chemical structure of (ii) mixing the diamine compound and a diacid to form a diamine-diacid salt, wherein the diamine-diacid salt has a chemical structure of  and (iii) heating the diamine-diacid salt to polymerize the diamine-diacid salt for forming a copolymer, wherein the copolymer has a repeating unit with a chemical structure of  wherein n=2-12, R is  and m=2-12. 
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
C C C C C C
C07C C08G C08G C08G C07C C07C
inventional inventional inventional inventional inventional inventional
Jiun-Jy Tun-Fun Yu-Ting
Chen Way Chen