Compatibility agent for aqueous polypigmentary suspensions conta

Details Compatibility agent for aqueous polypigmentary suspensions conta Compatibility agent for aqueous polypigmentary suspensions conta

1990-11-29

1992-05-05

Dixon, Jr., William R.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106465, 106503, 10628729, C09C 310, C09C 102

Patent

active

051103583

ABSTRACT:
Copolymers having the general formula: ##STR1## are useful as compatibility, dispersion and grinding agents for aqueous pigmentary suspensions formulated from a mixture of mineral pigments, at least one of which is hydrated calcium sulfate. These suspensions are useful in papermaking.

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patent: 4774303 (1988-09-01), Denzinger et al.
patent: 4842651 (1989-06-01), Ravet et al.
patent: 4868228 (1989-09-01), Gonnet et al.

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