Process for preparing pigment compositions

Details Process for preparing pigment compositions Process for preparing pigment compositions

1986-02-24

1988-02-16

Yarbrough, Amelia Burgess

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

106308M, 106309, 2523152, 524413, 524439, 524441, C09C 162

Patent

active

047253177

ABSTRACT:
The invention relates to a process for preparing low- or non-dusting substantially completely non-volatile metal pigment compositions by forming a coherent paste comprising an organic binder medium, an organic liquid vehicle and metal pigment, in powder or flake form, the paste being formed by mixing a first component comprising the organic binder medium and a second component comprising metal pigment with either or both of the first and second components comprising organic liquid vehicle and the paste containing from 1 to 70 percent, preferably from 3 to 45 percent, of the organic binder medium based on the weight of the metal pigment, and removing substantially all of the organic liquid vehicle(s) from the coherent paste, optionally after sub-dividing the coherent paste into particles, such as pellets, tablets or granules. The resulting solid metal pigment composition comprises metal pigment particles dispersed in a matrix of the organic binder material.

REFERENCES:
patent: 3575900 (1971-04-01), Penyik et al.
patent: 3838064 (1974-09-01), Vogt et al.

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