Thixotropic formulations, use of polycarboxylic acid amides to p

Details Thixotropic formulations, use of polycarboxylic acid amides to p Thixotropic formulations, use of polycarboxylic acid amides to p

1988-03-02

1989-08-15

Lieberman, Paul

Compositions: coating or plastic

Materials or ingredients

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

106482, 106499, 523216, 523508, C09C 128, C08J 300

Patent

active

048571113

ABSTRACT:
Hydroxyfunctional carboxamide compounds of formula I ##STR1## are included in thixotropic formulations containing highly disperse silica as a thickening or thixotroping component in order to activate the silica or enhance its effect, to amerliorate any tendency of the silica to settle and/or to prevent weakening of the thixotroping effect of SiO.sub.2 in formulations which themselves form relatively strong hydrogen bonds. The compounds of formula I may be added to silica-containing thixotropic liquid formulations to improve the thixotropy, or highly disperse silica may be coated with such compounds for later incorporation into liquid systems to render them thixotropic.

REFERENCES:
patent: 4167421 (1979-09-01), Linden et al.
patent: 4238387 (1980-12-01), Antonelli et al.

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