Donald Howard Mcdaniel

US Patent:

40474291, Sep 13, 1977

Filed:

Jan 29, 1976

Appl. No.:

5/653322

Inventors:

Norman G. Bartrug - Allison Park PA
Donald L. McDaniel - Lower Burrell PA

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

G01N 308

US Classification:

73150R

Abstract:

A method of forming a continuous film of an elastomeric latex and a phenolic resin comprising spraying a plurality of coats of the aqueous admixture onto a nonadherent surface. The nonadherent surface is at a temperature of 120. degree. F. or greater and each coat of the aqueous admixture is less than about 0. 7 mil dry film thickness. The film so formed can be tested for physical properties and the testing results are capable of being correlated with the performance of glass fibers with the aqueous admixture coated thereon for reinforcement of elastomeric matrices.

US Patent:

40738493, Feb 14, 1978

Filed:

Jan 29, 1976

Appl. No.:

5/653323

Inventors:

Norman G. Bartrug - Allison Park PA
Donald L. McDaniel - Lower Burrell PA

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

B29H 800
B32B 2504

US Classification:

264236

Abstract:

A method of forming a continuous film of an elastomeric latex and a phenolic resin comprising spraying a plurality of coats of the aqueous admixture onto a nonadherent surface. The nonadherent surface is at a temperature of 120. degree. F. or greater and each coat of the aqueous admixture is less than about 0. 7 mil dry film thickness. The film so formed can be tested for physical properties and the testing results are capable of being correlated with the performance of glass fibers with the aqueous admixture coated thereon for reinforcement of elastomeric matrices.