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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 11578002 B1

PDFFull Text
Date of Patent:
Feb. 14, 2023

Filed:

Feb. 27, 2020

Ceramic slurries with photoreactive-photostable hybrid binders

Applicant:

General Electric Company, Schenectady, NY (US);

Inventors:

Michael Joseph O'Brien, Halfmoon, NY (US);

Cathleen Ann Hoel, Schenectady, NY (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorney:

Dority & Manning, P.A.

Primary Examiner:

Jessica Whiteley

Int. Cl.
CPC ...
C08F 2/46 (2006.01); C08F 2/50 (2006.01); C08G 61/04 (2006.01); C04B 35/117 (2006.01); B33Y 10/00 (2015.01); B29C 64/165 (2017.01); B33Y 70/10 (2020.01); C08F 222/10 (2006.01); B28B 1/00 (2006.01); C04B 35/634 (2006.01); C04B 35/638 (2006.01); C04B 35/64 (2006.01); B29K 83/00 (2006.01); B29K 509/02 (2006.01);
U.S. Cl.
CPC ...
C04B 35/117 (2013.01); B28B 1/001 (2013.01); B29C 64/165 (2017.08); B33Y 10/00 (2014.12); B33Y 70/10 (2020.01); C04B 35/638 (2013.01); C04B 35/63444 (2013.01); C04B 35/64 (2013.01); C08F 222/102 (2020.02); B29K 2083/00 (2013.01); B29K 2509/02 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/483 (2013.01); C04B 2235/6026 (2013.01); C08F 2800/20 (2013.01);
Abstract

Ceramic slurries may include ceramic particles, a photoreactive-photostable hybrid binder, and a photoinitiator. The photoreactive-photostable hybrid binder may include a photoreactive organic resin component, a photoreactive siloxane component, and one or more photostable siloxane components. Methods of forming a ceramic part may include curing a portion of a ceramic slurry by exposing the portion of the ceramic slurry to light to form a green ceramic part, and partially firing the green ceramic part to form a brown ceramic part. The brown ceramic part may be sintered at or above a sintering temperature of the ceramic particles to form a ceramic part, wherein sintering includes heating the brown ceramic part to a sufficient temperature to promote reaction bonding that converts silica from the photoreactive-photostable hybrid binder into silicates that bond with the ceramic particles.

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