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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 9757768 B1

PDFFull Text
Date of Patent:
Sep. 12, 2017

Filed:

Nov. 24, 2014

Method for manufacturing sized carbon fibers for composite applications

Applicant:

Cytec Industries Inc., Woodland Park, NJ (US);

Inventors:

Shao C. Chiu, Alpharetta, GA (US);

Longgui Tang, Greenville, SC (US);

Billy D. Harmon, Simpsonville, SC (US);

Assignee:

CYTEC INDUSTRIES INC., Woodland Park, NJ (US);

Attorney:

Thi Dang

Primary Examiner:

William Phillip Fletcher, III

Int. Cl.
CPC ...
B05D 1/18 (2006.01); B05D 3/10 (2006.01); B05D 3/00 (2006.01); B05D 7/24 (2006.01); D06M 15/327 (2006.01); D06M 15/53 (2006.01); D06M 15/55 (2006.01); D06M 15/59 (2006.01); D06M 15/63 (2006.01); D06M 23/10 (2006.01); B05D 3/02 (2006.01); D06M 101/40 (2006.01);
U.S. Cl.
CPC ...
B05D 3/007 (2013.01); B05D 1/18 (2013.01); B05D 3/0254 (2013.01); B05D 3/107 (2013.01); B05D 7/24 (2013.01); D06M 15/327 (2013.01); D06M 15/53 (2013.01); D06M 15/55 (2013.01); D06M 15/59 (2013.01); D06M 15/63 (2013.01); D06M 23/10 (2013.01); B05D 2203/00 (2013.01); B05D 2203/30 (2013.01); B05D 2256/00 (2013.01); B05D 2401/20 (2013.01); B05D 2401/21 (2013.01); B05D 2504/00 (2013.01); B05D 2505/50 (2013.01); B05D 2508/00 (2013.01); D06M 2101/40 (2013.01);
Abstract

Various embodiments directed towards methods of applying sizing to fibers are disclosed herein. In some embodiments, solvent can be used to dissolve a sizing material into a solution, which can then be used to coat the fibers. In some embodiments, a water bath is used to coagulate a sizing on the fiber surface and to remove the remove solvent after coating the fibers, so that water vapor can be created during a subsequent drying step as opposed to solvent vapors. In some embodiments, strong acids or strong bases can be used as the solvent.

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