Perinone dyestuffs for bulk dyeing of plastics

Details Perinone dyestuffs for bulk dyeing of plastics Perinone dyestuffs for bulk dyeing of plastics

1994-12-01

1995-11-14

Bernhardt, Emily

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

8657, 8658, 8920, 8922, 8924, 8925, 8928, 524 90, C07D23970, C09B 5712

Patent

active

054668050

ABSTRACT:
1,2-Naphthaloperinone dyestuffs of the formula (I) ##STR1## wherein Z denotes the radical for completion of a 1,2-naphthylene system and X, Y, n and m have the meaning given in the description, are prepared by condensation of substituted or unsubstituted naphthalene-1,2-dicarboxylic acids with substituted or unsubstituted naphthalene-1,8-diamines.
The dyestuffs according to the invention have very good fastness properties and are employed in processes for bulk dyeing of plastics, preferably of vinyl polymers and polyesters.

REFERENCES:
Konishi et al, Chemical Abstracts vol. 81, No. 38950 (1974) (Abstract for JP7409530, Jan. 28, 1974).
Konishi et al, Chemical Abstracts, vol. 81, No. 38951 (1974) (Abstract for JP 7409532, Jan. 28, 1974).
Hackh'3 s Chemical Dictionary, p. 62, 1969.
Derwent Abstract for JP 49009530 (Jan. 28, 1974).
Derwent Abstract for JP49009552 (Jan. 28, 1974).

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