Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Patent
1989-05-16
1990-02-06
Foelak, Morton
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
523220, 523440, 524425, 524567, 524570, 524581, C08K 700
Patent
active
048986208
ABSTRACT:
Novel finely divided particulate calcium carbonate compositions comprising mixtures of a preponderance of dry ground calcium carbonate with a smaller amount of wet ground calcium carbonate, each of these components having particular particle size characteristics and particle size distributions, are disclosed. When used as all or part of the filler in thermosetting and thermoplastic resinous compositions, e.g., thermosetting polyester resinous molding compositions, paints and other finishes, sealants and the like, such mixtures provide compositions having high filler loadings coupled with acceptably low viscosities and better processability than resinous compositions containing all dry-ground fillers.
REFERENCES:
patent: 4187210 (1980-02-01), Howard, Jr.
patent: 4595715 (1986-06-01), Kurze
patent: 4598105 (1986-07-01), Weber et al.
patent: 4707504 (1987-11-01), Walkowiak
Baker Robert
Rayfield Jerry W.
Weber Kenneth E.
ECCA Calcium Products, Inc.
Foelak Morton
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