Soft textured high strength Alkali Blue pigment

Details Soft textured high strength Alkali Blue pigment Soft textured high strength Alkali Blue pigment

1982-11-12

1984-09-04

McCarthy, Helen M.

Compositions: coating or plastic

Materials or ingredients

106308Q, 106308M, C09B 6706

Patent

active

044695195

ABSTRACT:
It has been discovered in accordance with the instant invention that a process which combines a relatively low temperature heat treatment of precipitated Alkali Blue slurry with subsequent freeze drying of the presscake yields a product which exhibits superior tinting strength and dispersion properties as well as excellent texture.

REFERENCES:
patent: 3159498 (1964-12-01), Davis et al.
patent: 3635745 (1972-01-01), Rentel et al.
patent: 3925094 (1975-12-01), Papenfuss et al.
patent: 4032357 (1977-06-01), Rees et al.
patent: 4285994 (1981-08-01), Pearce et al.
patent: 4373962 (1983-02-01), Iyengar
patent: 4383865 (1983-05-01), Iyengar

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