Hydrazone derivatives containing a quaternary ammonium group use

Details Hydrazone derivatives containing a quaternary ammonium group use Hydrazone derivatives containing a quaternary ammonium group use

1981-05-18

1983-05-17

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260465D, 260465E, 560 34, 564251, 564150, 564149, 430 72, 430 73, C07C11910, G03C 170

Patent

active

043839487

ABSTRACT:
Hydrazone derivatives of the formula ##STR1## in which A.sub.1 is an aromatic radical, B.sub.1 is hydrogen, alkyl, cycloalkyl, aralkyl or aryl, R.sub.1, R.sub.2 and R.sub.3 independently of one another are alkyl, cycloalkyl, aralkyl or polyoxyalkylene, Z.sub.1 is arylene, X.sup..crclbar. is an anion and m is 0, 1, 2 or 3.
The hydrazone derivatives are suitable as UV absorbers, especially in polymer coatings.

REFERENCES:
patent: 2818367 (1957-12-01), Jaworski et al.
patent: 4150987 (1979-04-01), Anderson et al.

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