公开(公告)号：US10854859B2

公开(公告)日：2020-12-01

申请号：US16206984

申请日：2018-11-30

Applicant: LYONDELLBASELL ADVANCED POLYMERS INC.

Inventor： Ying Shi

IPC: H01M2/08 ,  C08L77/10

Abstract: Disclosed herein are high performance semi-aromatic polyamide compounds having improved performance indicators for various applications, including alkaline battery end cap seal assembly applications. In one preferred embodiment, the disclosure relates to compounds comprising a semi-aromatic polyamide component comprising recurring terephthalamide and/or isophthalamide units, an impact modifier component comprising a modified polyolefin elastomer, one or more synergistic blends of sterically hindered phenolic stabilizers and phosphonates and one or more relatively high molecular weight organic phosphite stabilizers, and a fine talc nucleating agent.