Method for the treatment of mineral extender fillers

Details Method for the treatment of mineral extender fillers Method for the treatment of mineral extender fillers

1985-09-23

1987-06-09

Childs, Sadie L.

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

427255, 4272552, B05D 700

Patent

active

046719733

ABSTRACT:
This invention provides a method for the treatment of mineral extender fillers. The mineral extender filler is treated essentially simultaneously with a halogenated organosilane and a compound containing an active hydrogen, preferably ammonia. The reaction is conducted at atmospheric pressure and at a temperature at which the halogenated organosilane is gaseous, but preferably no higher than 250.degree. C. This method is fast, efficient and economical.

REFERENCES:
patent: 2722504 (1955-11-01), Fleck
patent: 4175159 (1979-11-01), Raleigh
patent: 4183980 (1980-01-01), Nielsen
patent: 4486235 (1984-12-01), Kamigaito et al.
patent: 4525388 (1985-06-01), Rehder et al.

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