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.:
Date of Patent:
Jun. 12, 2012
Filed:
Jan. 16, 2007
Anthony F. Jacobine, Meriden, CT (US);
John G. Woods, Farmington, CT (US);
Steven T. Nakos, Andover, CT (US);
Matthew P. Burdzy, South Windsor, CT (US);
Brian R. Einsla, Chalfont, PA (US);
Kevin J. Welch, Wallingford, CT (US);
Anthony F. Jacobine, Meriden, CT (US);
John G. Woods, Farmington, CT (US);
Steven T. Nakos, Andover, CT (US);
Matthew P. Burdzy, South Windsor, CT (US);
Brian R. Einsla, Chalfont, PA (US);
Kevin J. Welch, Wallingford, CT (US);
Henkel Corporation, Rocky Hill, CT (US);
Abstract
A fuel cell, having improved sealing against leakage, includes a fuel cell component having a cured sealant, wherein the cured sealant includes a telechelic-functional polyisobutylene, an organhydrogenosilane crosslinker, a platinum catalyst and a photoinitiator. The fuel cell component may be a cathode flow field plate, an anode flow field plate, a resin frame, a gas diffusion layer, an anode catalyst layer, a cathode catalyst layer, a membrane electrolyte, a membrane-electrode-assembly frame, and combinations thereof. A method for forming such a fuel cell includes the steps of providing a fuel cell component including a substrate; providing a mold having a cavity; positioning the mold so that the cavity is in fluid communication with the substrate; applying a curable liquid sealant composition into the cavity, wherein the curable sealant composition includes a telechelic-functional polyisobutylene, an organhydrogenosilane crosslinker, a platinum catalyst and a photoinitiator; and curing the composition with actinic radiation.