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.

Date of Patent:
Jul. 09, 2019

Filed:

Dec. 11, 2015
Applicant:

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Xiaosong Wu, Sugar Land, TX (US);

Colin Li Pi Shan, Pearland, TX (US);

Kim L. Walton, Lake Jackson, TX (US);

Gary R. Marchand, Maurepas, LA (US);

Assignee:

Dow Global Technologies LLC, Midland, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 23/14 (2006.01); C08L 23/16 (2006.01); C08L 53/00 (2006.01); C08F 297/08 (2006.01);
U.S. Cl.
CPC ...
C08L 23/16 (2013.01); C08F 297/083 (2013.01); C08L 23/14 (2013.01); C08L 53/00 (2013.01);
Abstract

A thermoplastic vulcanizate composition includes (A) greater than 15 wt % of a block composite that has (i) an ethylene/alpha-olefin/diene interpolymer in which the alpha-olefin is an alpha olefin monomer having from 3 to 10 carbon atoms and the diene is a diene monomer having from 2 to 25 carbon atoms, (ii) a propylene based polymer, and (iii) a block copolymer comprising a soft block and a hard block in which the soft block has the same composition as the ethylene/alpha-olefin/diene polymer and the hard block has the same composition as the propylene based polymer; and (B) a remainder of a curative system and optionally at least one of a vulcanizable elastomer, a thermoplastic polyolefin, and an oil.


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