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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 10077384 B1

PDFFull Text
Date of Patent:
Sep. 18, 2018

Filed:

Mar. 04, 2015

Thermoset pressure-sensitive adhesive

Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventor:

Kotaro Shinozaki, Kanagawa-pref., JP;

Assignee:

3M Innovative Properties Company, St. Paul, MN (US);

Attorney:
Primary Examiner:

Tae H Yoon

Int. Cl.
CPC ...
B32B 7/12 (2006.01); C09J 133/26 (2006.01); C09J 159/00 (2006.01); C09J 163/00 (2006.01); C08L 33/26 (2006.01); C08L 59/00 (2006.01); C08L 63/00 (2006.01); C08F 220/18 (2006.01); C08F 220/56 (2006.01); C08F 222/10 (2006.01); C09J 4/06 (2006.01); C09J 5/00 (2006.01);
U.S. Cl.
CPC ...
C09J 163/00 (2013.01); B32B 7/12 (2013.01); C08F 220/18 (2013.01); C08F 220/56 (2013.01); C08F 222/10 (2013.01); C09J 4/06 (2013.01); C09J 5/00 (2013.01); B32B 2250/02 (2013.01); C09J 2463/00 (2013.01);
Abstract

A thermoset pressure-sensitive adhesive containing a tacky polymer, polyvinyl acetal, an epoxy resin, and an epoxy resin curing agent. The tacky polymer is obtained by copolymerizing a first monomer constituted by at least one type of (meth)acrylate ester of a non-tertiary non-cyclic alcohol having 8 to 12 carbon atoms and including one (meth)acryloyl group, a second monomer comprising a nitrogen atom and an ethylenically unsaturated group, and more than 0 parts by mass to no more than about 0.5 parts by mass of a crosslinking agent per a total of 100 parts by mass of the first monomer and the second monomer.

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