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.

Patent No.:

US 10895342 B1

Date of Patent:

Jan. 19, 2021

Filed:

Jan. 13, 2017

Composite article

Applicant:

Basf SE, Ludwigshafen am Rhein, DE;

Inventors:

Jeffrey A. Dodge, Plymouth, MI (US);

Charles E. Jones, Berkley, MI (US);

Assignee:

BASF SE, Ludwigshafen am Rhein, DE;

Attorney:

DLA Piper LLP (US)

Primary Examiner:

Michael C Miggins

Int. Cl.

CPC ...

F16L 59/20 (2006.01); B32B 15/08 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 27/40 (2006.01); C08J 7/04 (2020.01); F16L 59/14 (2006.01); C09D 5/00 (2006.01); C09D 133/10 (2006.01); C09D 175/08 (2006.01); F16L 9/12 (2006.01); F16L 9/22 (2006.01); F16L 1/26 (2006.01);

U.S. Cl.

CPC ...

F16L 59/20 (2013.01); B32B 15/08 (2013.01); B32B 27/08 (2013.01); B32B 27/308 (2013.01); B32B 27/32 (2013.01); B32B 27/40 (2013.01); C08J 7/042 (2013.01); C09D 5/00 (2013.01); C09D 133/10 (2013.01); C09D 175/08 (2013.01); F16L 9/121 (2013.01); F16L 9/22 (2013.01); F16L 59/143 (2013.01); B32B 2274/00 (2013.01); B32B 2307/304 (2013.01); B32B 2307/714 (2013.01); B32B 2307/748 (2013.01); B32B 2556/00 (2013.01); B32B 2597/00 (2013.01); C08J 2323/06 (2013.01); C08J 2323/12 (2013.01); C08J 2333/04 (2013.01); C08J 2433/10 (2013.01); C08J 2463/00 (2013.01); C08J 2475/08 (2013.01); F16L 1/26 (2013.01);

Abstract

A composite article has an increased peel strength and includes a first layer including a low surface energy polymer. The composite article also includes a poly(meth)acrylate layer, an epoxide layer, and a polyurethane elastomer layer. The poly(meth)acrylate layer is disposed on and in direct contact with the first layer. Moreover, the poly(meth)acrylate layer includes a poly(meth)acrylate that includes the reaction product of at least one (meth)acrylate that is polymerized in the presence of an organoborane initiator. The epoxide layer is disposed on and in direct contact with the poly(meth)acrylate layer. The polyurethane elastomer layer is disposed on and in direct contact with the epoxide layer. The composite article has a 90° peel strength of at least 50 pli measured using ASTM D6862.

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