Arylsulfonic acid bromophenyl esters, their preparation, and their use as flameproofing agents

Aryl sulfonic acid esters of the formula (I) wherein R1 represents hydrogen, alkyl groups of 1 to 8 carbon atoms, bromine or chlorine, R2 represents R1 or the group Hal represents bromine or chlorine, x the numbers 2 to 4, n the numbers 3 to 5, y the numbers 4-x; m = 5-n, R3 represents bromine, chlo...

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Hauptverfasser: RICHTZENHAIN, HERMANN, PETERSEN, EGON NORBERT
Format: Patent
Sprache:eng
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Zusammenfassung:Aryl sulfonic acid esters of the formula (I) wherein R1 represents hydrogen, alkyl groups of 1 to 8 carbon atoms, bromine or chlorine, R2 represents R1 or the group Hal represents bromine or chlorine, x the numbers 2 to 4, n the numbers 3 to 5, y the numbers 4-x; m = 5-n, R3 represents bromine, chlorine or the group and Z represents -O-, -S-, alkylene with 1 to 4 carbon atoms, or alkylidene; a process for their product and their use as a flame retardant, especially for polyolefins.