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 10072129 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 11, 2018

Filed:

Feb. 07, 2014
Applicant:

University of Louisville Research Foundation, Inc., Louisville, KY (US);

Inventors:

James Loomis, Melrose, MA (US);

Balaji Panchapakesan, Northborough, MA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/228 (2006.01); H01C 7/00 (2006.01); H05K 1/02 (2006.01); H05K 1/16 (2006.01); H05K 1/03 (2006.01); C08K 3/00 (2018.01); C08K 3/04 (2006.01); C08K 7/22 (2006.01); C08L 101/12 (2006.01); C08L 83/04 (2006.01); C08K 7/24 (2006.01); C08K 9/10 (2006.01); C08K 3/01 (2018.01);
U.S. Cl.
CPC ...
C08J 9/228 (2013.01); C08K 3/01 (2018.01); C08K 7/22 (2013.01); C08K 7/24 (2013.01); C08K 9/10 (2013.01); C08L 83/04 (2013.01); H01C 7/008 (2013.01); H05K 1/028 (2013.01); H05K 1/0283 (2013.01); H05K 1/167 (2013.01); C08J 2203/22 (2013.01); C08J 2333/20 (2013.01); C08J 2383/04 (2013.01); C08K 2201/011 (2013.01);
Abstract

A polymer composite is provided that includes a plurality of heat-absorbing nanomaterials, a plurality of thermally-expanding microspheres, and an elastomeric matrix. In the polymer composite, the heat-absorbing nanomaterials and the thermally-expanding microspheres are dispersed within the elastomeric matrix such that the thermally-expanding microspheres expand and stretch the matrix upon exposure to a thermal stimulus. Methods of forming a thermally-expanding polymer composite are also provided and include the steps of dispersing a plurality of heat-absorbing nanomaterials in an evaporative solvent; combining the dispersion with an amount of an elastomeric material to create a mixture; adding an amount of thermally-expanding microspheres to the mixture; and polymerizing the mixture. Circuits including resistors comprised of the polymer composites are further provided.


Find Patent Forward Citations

Loomis, James. (2018). Stimuli-responsive polymer composites (U.S. Patent No. 10072129). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10072129

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