6-Methylbenzimidazolonylazobarbituric acid pigment

Details 6-Methylbenzimidazolonylazobarbituric acid pigment 6-Methylbenzimidazolonylazobarbituric acid pigment

1975-09-12

1977-06-07

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106 23, 106288Q, 106308Q, 260 37R, 260 37N, 260 37NP, 260 39P, 260 40E, 260 40P, 260 4221, 260208, 2602475G, 2602564C, 2602565R, 260257, 2603092, C09B 2936, C09D 1100, D06P 108, D06P 300

Patent

active

040283224

ABSTRACT:
A monoazo pigment of the formula ##STR1## wherein R.sub.1 denotes a halogen atom or an alkyl or alkoxy group containing 1 - 4 carbon atoms, R.sub.2 denotes a H atom, an alkyl group containing 1 - 4 carbon atoms or a phenyl group, X denotes a --NH-- or --CH.sub.2 O group, Y denotes an O atom or S atom or an imino group and Z denotes an O atom or an imino group are prepared. The pigments may be used to color high molecular weight organic materials such as polyamides, polyesters and polyolefins. The pigments possess excellent fastness to light, weathering and migration.

REFERENCES:
patent: 2140987 (1938-12-01), Dickey
patent: 2283220 (1942-05-01), McNally et al.
patent: 2827451 (1958-03-01), Tolone et al.
patent: 3086003 (1963-04-01), Baumann et al.
patent: 3116278 (1963-12-01), Gross et al.
patent: 3435022 (1969-03-01), Voltz
patent: 3773749 (1973-11-01), Horstmann et al.

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