David T Sauer

US Patent:

39682978, Jul 6, 1976

Filed:

Aug 7, 1974

Appl. No.:

5/495502

Inventors:

David Allen Sauer - Dayton OH

Assignee:

E. I. Du Pont de Nemours and Company - Wilmington DE

International Classification:

C03C 2502
B32B 1710

US Classification:

428268

Abstract:

Coated glass fabric of improved flex life is provided, the coating on the fabric comprising (a) unsintered polytetrafluoroethylene having a specific melt viscosity of at least 1. times. 10. sup. 9 poises at 380. degree. C. and (b) a condensation product of a polyhydrolyzable compound which is a compound of tetravalent titanium, zirconium, or tin. The coating can also contain a water repellent additive which prevents water from soaking into the fabric. The coating is present on the glass fabric either as a blend of (a) and (b) or as a basecoat of (b) and topcoat of (a) on the glass fabric. The blend coating can be obtained by applying a dispersion of (a) which contains (b) still in the polyhydrolyzable state, and optionally, the water repellent additive, to the fabric, followed by drying without sintering the polytetrafluoroethylene.

Address:

104 Collins Ct, Dayton, OH 45439

Phone:

937-268-2781

VIN:

1FMFU165X7LA38282

Make:

FORD

Model:

EXPEDITION

Year:

2007