Composite zinc oxide coating on an inert pigment core product an

Details Composite zinc oxide coating on an inert pigment core product an Composite zinc oxide coating on an inert pigment core product an

1980-01-09

1982-05-25

Herbert, Jr., Thomas J.

Coating processes

Electrical product produced

Photoelectric

106288B, 106296, 106308B, 2523016F, 2525011, 423592, 423622, 427215, 427218, 428404, 428689, B05D 512, B32B 904, B32B 1504

Patent

active

043317065

ABSTRACT:
This invention relates to a novel composite pigment and method for its manufacture which comprises a finely-divided inert pigment as a core which has deposited on its surface a non-photoconductive grade of zinc oxide, the weight ratio of zinc oxide ranging from about 30% to about 80% of the total weight of the composite pigment and the composite pigment characterized by a specific surface in excess of about 10 square meters/gram. In rubber compounding, the composite pigment reduces the cost of the zinc essential to produce quality products and the composite pigment because it is itself photoconductive is of utility in photoconductive end uses.

REFERENCES:
patent: 1944158 (1934-01-01), French
patent: 2210087 (1940-08-01), Leverenz
patent: 2956861 (1960-10-01), Garlet
patent: 3004857 (1961-10-01), Merson et al.
patent: 3028250 (1962-04-01), Dunn
patent: 3072495 (1963-01-01), Pitrot

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