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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 9676961 B1

PDFFull Text
Date of Patent:
Jun. 13, 2017

Filed:

Dec. 06, 2012

Surfacing film for composite structures and method of making the same

Applicant:

Cytec Technology Corp., Wilmington, DE (US);

Inventors:

Junjie Jeffrey Sang, Newark, DE (US);

Dalip Kumar Kohli, Churchville, MD (US);

Assignee:

CYTEC TECHNOLOGY CORP., Wilmington, DE (US);

Attorney:

Thi D. Dang

Primary Examiner:

Peter Y Choi

Assistant Examiner:

Vincent A Tatesure

Int. Cl.
CPC ...
C09J 163/04 (2006.01); C09D 163/04 (2006.01); B32B 5/02 (2006.01); B32B 27/08 (2006.01); B32B 5/26 (2006.01); B32B 7/12 (2006.01); B32B 27/12 (2006.01); B32B 27/18 (2006.01); B32B 27/28 (2006.01); B32B 27/36 (2006.01); B32B 27/38 (2006.01);
U.S. Cl.
CPC ...
C09D 163/04 (2013.01); B32B 5/022 (2013.01); B32B 5/26 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/12 (2013.01); B32B 27/18 (2013.01); B32B 27/286 (2013.01); B32B 27/36 (2013.01); B32B 27/38 (2013.01); C09J 163/04 (2013.01); B32B 2260/023 (2013.01); B32B 2262/101 (2013.01); B32B 2264/102 (2013.01); B32B 2264/107 (2013.01); B32B 2270/00 (2013.01); B32B 2307/202 (2013.01); B32B 2307/4026 (2013.01); B32B 2307/71 (2013.01); B32B 2605/00 (2013.01); C08K 2201/005 (2013.01); Y10T 428/252 (2015.01); Y10T 442/674 (2015.04); Y10T 442/679 (2015.04);
Abstract

A surfacing film is formed from a curable resin composition containing an epoxy novolac resin, a tri-functional or tetra-functional epoxy resin, ceramic microspheres, an amine-based curing agent, particulate inorganic fillers; and a toughening component. The surfacing film exhibits high Tand high cross-linked density after curing, as well as high resistance to paint stripper solutions. The surfacing film is suitable for co-curing with fiber-reinforced resin composite materials. The surfacing film may optionally contain electrically conductive additives to provide sufficient conductivity for lightning strike protection (LSP) or electromagnetic interference (EMI) shielding.

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