Pigmented microporous silica microspheres by spray processes

Details Pigmented microporous silica microspheres by spray processes Pigmented microporous silica microspheres by spray processes

1978-03-03

1979-11-06

Poer, James E.

Compositions: coating or plastic

Materials or ingredients

106308B, 106309, C09C 128

Patent

active

041734912

ABSTRACT:
Process for preparing pigmented microporous silica microspheres by spraying an aqueous suspension of pigment in a solution of alkali metal silicate through the air into a medium consisting of from 20% to 100% by volume of a water miscible organic liquid, the balance being water. The resulting microspheres are highly effective opacifying agents.

REFERENCES:
patent: 3418147 (1968-12-01), Fields

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