	US 12,084,568 B2
	Thermoplastic elastomer composition for overmolding polyamides
Prakash Sanjeevaiah, Orland Park, IL (US); Krishna Venkataswamy, Crystal Lake, IL (US); and Pei-Zhen Jian, Claredon Hills, IL (US)
Assigned to Star Thermoplastic Alloys and Rubbers, LLC, Broadview, IL (US)
Filed by Star Thermoplastic Alloys & Rubbers, Inc., Broadview, IL (US)
Filed on Jun. 9, 2023, as Appl. No. 18/207,901.
Application 18/207,901 is a continuation of application No. 17/132,433, filed on Dec. 23, 2020, granted, now 11,713,390.
Claims priority of provisional application 62/953,726, filed on Dec. 26, 2019.
Prior Publication US 2023/0312898 A1, Oct. 5, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. C08L 23/16 (2006.01); C08J 7/04 (2020.01); C08L 23/08 (2006.01); C08L 23/12 (2006.01); C08L 23/26 (2006.01); C08L 53/02 (2006.01)

CPC C08L 23/16 (2013.01) [C08J 7/0427 (2020.01); C08L 23/0815 (2013.01); C08L 23/12 (2013.01); C08J 2377/00 (2013.01); C08J 2423/08 (2013.01); C08J 2423/16 (2013.01); C08L 23/26 (2013.01); C08L 53/025 (2013.01); C08L 2205/035 (2013.01); C08L 2205/08 (2013.01); C08L 2207/04 (2013.01)]

23 Claims

1. A thermoplastic elastomer composition for overmolding a predominantly polyamide substrate, comprising:

a thermoplastic vulcanizate;

an olefinic block copolymer; and

a compatibilizer,

wherein the thermoplastic elastomer composition has a Shore A hardness as determined by ASTM D2240 test method of about 40 to about 90; and

wherein the thermoplastic elastomer composition has 90° Peel Strength as determined by ASTM D6862 90° peel test method of about 10 (pli) to 50 (pli).