Claims
- 1. A method for the preparation of an azo dye polymer containing as characteristic monomer units radicals of the formulae I, II, III and IV ##STR32## where D is the radical of the diazo component derived from a pyrrole, furan, thiophene, pyrazole, imidazole, oxazole, isoxazole, thiazole, isothiazole, triazole, oxadiazole, thiadiazole, benzofuran, benzothiophene, benzimidazole, benzoxazole, benzisothiazole, pyridothiophene, pyrimidothiophene or thienothiophene,
- R.sup.1 and R.sup.2 are each independently of the other hydrogen, C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -alkoxy optionally substituted by phenyl or C.sub.1 -C.sub.4 -alkoxy, and R.sup.2 may also be C.sub.1 -C.sub.4 -alkanoylamino,
- R.sup.3 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or C.sub.3 -C.sub.4 -alkenyl,
- R.sup.4 is hydrogen, deuterium, methyl, trideuterated methyl or chlorine,
- R.sup.5 is hydrogen or deuterium,
- Y.sup.1 and Y.sup.2 are each independently of the other C.sub.2 -C.sub.10 -alkylene optionally interrupted by 1 to 3 oxygen atoms in the ether function or imino or C.sub.1 -C.sub.4 -alkylimino groups,
- W is oxygen, imino or C.sub.1 -C.sub.6 -alkylimino, and
- X is hydroxyl, C.sub.1 -C.sub.6 -alkoxy, trideuterated methoxy, 2,3-epoxypropoxy, phenoxy, amino or C.sub.1 -C.sub.4 -mono- or -dialkylamino,
- the proportion of monomer units of the formula I being from 1 to 100 mol %, the proportion of monomer units of the formula II being from 0 to 99 mol %, the proportion of monomer units of the formula III being from 0 to 99 mol % and the proportion of monomer units of the formula IV being from 0 to 75 mol %, each percentage being based on the polymer, and the average molecular weight of the polymer being from 1,000 to 100,000,
- comprising polymerizing a compound of the formula (V) ##STR33## optionally with at least one compound of the formula (VIII), (IX) or styrene ##STR34## in the presence of a free radical initiator, wherein D, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, Y.sup.1, Y.sup.2, W and X are as above defined.
Priority Claims (1)
Number |
Date |
Country |
Kind |
41 32 685.7 |
Oct 1991 |
DEX |
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Parent Case Info
This is a Division of application Ser. No. 08/080,785 filed on Jun. 24, 1993, now U.S. Pat. No. 5,434,231, which is a Division of application Ser. No. 07/949,156, filed on Sep. 23, 1992, now U.S. Pat. No. 5,264,507.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
3190860 |
Fertig et al. |
Jun 1965 |
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Divisions (2)
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Number |
Date |
Country |
Parent |
80785 |
Jun 1993 |
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Parent |
949156 |
Sep 1992 |
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