Process for conditioning a pigment in liquid ammonia

Details Process for conditioning a pigment in liquid ammonia Process for conditioning a pigment in liquid ammonia

1979-09-18

1981-06-09

Higel, Floyd D.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106288Q, 106308N, 260152, 260154, 260157, 260165, 260176, 260184, 260187, 260188, 260208, 260315, 260317, 260318, 260326A, 260326N, 542423, 544143, 544215, C09B 6710, C09B 6720, C09B 6748, C09B 6754

Patent

active

042722985

ABSTRACT:
A process for conditioning a pigment or disperse dye which comprises treating the colorant with liquid ammonia and results in an improvement of the dyeing properties and may be accompanied by a conversion into another modification. The pigments afforded by the instant process are particularly suitable for pigmenting material of high molecular weight.

REFERENCES:
patent: 3016384 (1962-01-01), Caliezi
patent: 3018155 (1962-01-01), Gaertner et al.
patent: 3109842 (1963-11-01), Schilling et al.
patent: 3328384 (1967-06-01), Dietz et al.
patent: 3555003 (1971-01-01), Ribka
patent: 3951678 (1976-04-01), Wanser
patent: 3976649 (1976-08-01), Fabian et al.
patent: 4045425 (1977-08-01), Hunter
Rys et al., "Fundamentals of the Chemistry and Application of Dyes", Wiley-Interscience, New York, pp. 2, 3, 160, 161, 192, 193 (1973).
Iwamoto et al., Chemical Abstracts, vol. 85, No. 22846n (1976).

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