Fibrous veil impregnated with surface finish formulation
AssigneesN.V. Owens-Corning S.A., Owens-Corning Veil Netherlands B.V.
InventorsPaul A. Geel, Thomas S. Miller, Dirk Kranendonk
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Abstract
An impregnated fibrous veil comprises a nonwoven fibrous veil including a prebinder and reinforcing fibers. The fibers are selected from a group consisting of glass fibers, ceramic fibers and mixtures thereof. The nonwoven fibrous veil has at least one face impregnated with a surface finish formulation. The surface finish formulation includes about 50 to about 95 weight percent filler, about 5 to about 50 weight percent binder and about 0 to about 10 percent optical brightener.
Claims22
An impregnated fibrous veil, comprising:
- a nonwoven fibrous veil including a prebinder and reinforcing fibers selected from a group consisting of glass fibers, ceramic fibers, and mixtures thereof, said nonwoven fibrous veil having at least one face impregnated with a surface finish formulation including about 50 to about 95 weight percent filler, about 5 to about 50 weight percent binder and about 0 to about 10 percent optical brightener.
A method of producing an impregnated fibrous veil with a smooth surface finish, comprising:
- impregnating at least one face of a nonwoven fibrous veil including a prebinder and reinforcing fibers with a surface finish formulation including about 50 to about 95 weight percent filler, about 5 to about 50 weight percent binder and about 0 to about 10 weight percent optical brightener.
Dependencies are inferred from the claim text.