Method of forming a reinforced article

Details Method of forming a reinforced article Method of forming a reinforced article

2006-12-14

2009-11-03

Aftergut, Jeff (Department: 1791)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C252S008810, C252S008830, C428S300100, C428S375000, C428S391000, C428S392000, C428S298700, C428S299400, C523S200000, C523S217000

Reexamination Certificate

active

07611598

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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