Patent ID: 11898012
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Other special machines (Mechanical engineering)
Classification: CPC C  B | IPC B  C

Claim 3:
4. The composition for preparing a poly(amide-imide) copolymer according to claim 1, wherein the substituted or unsubstituted linear aliphatic diamine is selected from methylene diamine, ethylene diamine, 1,3-propane diamine, 1,4-tetramethylene diamine, 1,5-pentamethylene diamine, 1,6-hexamethylene diamine, 1,7-heptamethylene diamine, 1,8-octamethylene diamine, 1,9-nanomethylene diamine, 1,10-decamehtylene diamine, 1,11-undecamethylene diamine, 1,12-dodecamethylene diamine, and a combination thereof.