Title: Decorative sheet for solid color laminates

Abstract: A colored decorative plastic laminate is made from a core layer and a superimposed decorative layer comprising: a fibrous material, coloring particles having a Moh's hardness of up to about 6 and an average particle size range of between about 53 to 210 microns, and thermoset resin; where the weight ratio of fiber material:coloring particles is from about 1:0.04 to 1:0.4 and the colored decorative layer is characterized in that the pigments are dispersed only through the bottom two-thirds of the colored layer and concentrated in the colored layer near the core-decorative layer interface, the top one-third of the colored layer containing substantially no pigment particles.

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Inventors: McCaskey, Jr., Harold O. (Allendale, SC, US)
Palazzolo, Salvatore E. (Elizabeth City, NC, US)

Application Number: 542311
Filing Date: 1975-01-20
Publication_date: 1977-08-23
Assignee: Westinghouse Electric Corporation (Pittsburgh, PA)
Primary Class(es): 428/153 162/128, 162/185, 162/188, 428/325, 428/328, 428/330, 428/530, 428/531
Other Classes:
US Patent Ref:

1672988	Jun, 1928	Novak	162/188.
2168560	Aug, 1939	Charlton	162/128.
3123515	Mar, 1964	Barna	428/327.
3372084	Mar, 1968	Arledter	162/128.
3730828	May, 1973	Meiser	428/530.

Other Refs:
Primary Examiner: Lesmes, George F.
Assistant Examiner: Silverman, S.
Attorney: Cillo; D. P.