Suspensions of reactive acidic clay pigments

Details Suspensions of reactive acidic clay pigments Suspensions of reactive acidic clay pigments

1977-10-03

1978-10-03

Douglas, Winston A.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106 72, 106288B, 106288Q, 428331, 427146, C09C 142

Patent

active

041182472

ABSTRACT:
AMP (2-amino, 2-methyl, 1-propanol) or a related amino hydroxy compound is used with a sodium condensed phosphate dispersant in the preparation of stable aqueous suspensions of acidic, acid-treated montmorillonite clay pigment particles. The suspensions are used in the manufacture of carbonless copying paper.

REFERENCES:
patent: 3989278 (1976-11-01), Lorok et al.
patent: 4017324 (1977-04-01), Eggers
patent: 4022735 (1977-05-01), Thompson
patent: 4042412 (1977-08-01), Williams

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