Disazo compounds containing long-chain alkyl ester radicals or a

Details Disazo compounds containing long-chain alkyl ester radicals or a Disazo compounds containing long-chain alkyl ester radicals or a

1991-02-11

1991-12-10

Mars, Howard T.

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

Organic compounds

Azo

534739, 534820, 534830, 534862, 534874, C09B 2910

Patent

active

050719670

ABSTRACT:
Compounds of the formula I ##STR1## in which R is a radical of the formula --OR.sub.5 or --NHR.sub.5, A is a radical of the formula II or III ##STR2## in which B is a radical of the formula ##STR3## in which n is the number 1 or 2, R.sub.1 and R.sub.3 independently of one another are --H or Cl, R.sub.2 and R.sub.4 independently of one another are --H, halogen, --NO.sub.2, --CN, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, --CF.sub.3, C.sub.2 -C.sub.5 alkoxycarbonyl, or --CONH-phenyl, --NHCO-phenyl or phenyloxy which is unsubstituted or substituted on the phenyl nucleus by one or two chlorine atoms or one or two methyl, methoxy or ethoxy groups, R.sub.5 is alkyl having at least 10 C atoms, R.sub.6 and R.sub.7 independently of one another are --H, halogen, --NO.sub.2, --CN, --CF.sub.3, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, R.sub.8 is --H, --Cl, --Br, --CH.sub.3 or --OCH.sub.3 and X is --H, --Br, --OCH.sub.3, --CN or --NO.sub.2, are particularly suitable as pigments for coloring polyolefins.

REFERENCES:
patent: 3137688 (1964-06-01), Ronco
patent: 3562249 (1971-02-01), Schnabel et al.
patent: 4003886 (1977-01-01), Muller
patent: 4065488 (1977-12-01), Chou et al.
patent: 4689403 (1987-08-01), Ronco
patent: 4946948 (1990-08-01), Hari et al.
Chem. Abstract-CA102(8): 63589u, "Yellow Azo Condensation Pigments".
Chem. Abstract-CA54: 16843h.
Chem. Abstract 113: 80523n (1990).

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