Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Steven E. Baker0
Donald R. Holman0
Jeffrey L. Antle0
Date of Patent
January 30, 2007
0Patent Application Number
108729260
Date Filed
June 21, 2004
0Patent Primary Examiner
Patent abstract
An aqueous glass fiber sizing composition that includes a polymeric film forming component, at least one silane coupling agent, and one or more lubricants is provided. The polymeric film forming component of the sizing composition includes a silanated polyvinyl acetate, an epoxidized polyvinyl acetate, and a modified epoxy emulsion. In preferred embodiments, the film formers are present in the sizing composition in ratios of 70:25:5, 50:25:25, or 63:18:18 of silanated polyvinyl acetate, epoxidized polyvinyl acetate, and modified epoxy emulsion respectively. Fibers sized with the sizing composition in a sheet molding compound process have improved wet-out characteristics.
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