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. 04, 2023

Filed:

Jun. 26, 2017
Applicant:

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

Inventors:

Zheng Zhang, Shanghai, CN;

Huaili Qin, Shanghai, CN;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 25/04 (2006.01); B32B 5/20 (2006.01); B32B 7/10 (2006.01); B32B 25/12 (2006.01); B32B 25/14 (2006.01); B32B 25/16 (2006.01); C08L 23/08 (2006.01);
U.S. Cl.
CPC ...
B32B 25/045 (2013.01); B32B 5/20 (2013.01); B32B 7/10 (2013.01); B32B 25/12 (2013.01); B32B 25/14 (2013.01); B32B 25/16 (2013.01); C08L 23/0853 (2013.01); C08L 23/0884 (2013.01); B32B 2266/0221 (2013.01); B32B 2266/0242 (2013.01); B32B 2270/00 (2013.01); B32B 2305/72 (2013.01);
Abstract

This disclosure relates to a composite comprising (a) a rubber layer comprising a cured rubber and optionally a first copolymer having carboxyl groups or anhydride groups; and (b) a foam layer comprising a crosslinked ethylene vinyl acetate and optionally a second copolymer having carboxyl groups or glycidyl methacrylate groups; wherein the foam layer has at least one surface adhering to the rubber layer directly, and provided that either the first copolymer or the second copolymer is present, and the composite is free of glues or adhesive films in the interface between the rubber layer and the foam layer.


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