Difficultly inflammable polyester molding compositions
AssigneeDynamit Nobel Aktiengesellschaft
InventorsWerner Schmidt, Egon Norbert Petersen, Hermann Richtzenhain
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Abstract
A flame stabilized molding composition comprising: 1. A polyester which is the condensation product of an aromatic dicarboxylic acid, acid halide or ester and an aliphatic diol having more than 2 atoms in the chain, and 2. 1,4-bis-(.beta.,.gamma.,.gamma.-trichloroallyl)-2,3,5,6-tetrachlorobenzene of the formula ##STR1## SAID 1,4-BIS-(.beta.,.gamma.,.gamma.-TRICHLOROALLYL)-2,3,5,6-TETRACHLOROBENZENE PRESENT IN SAID MOLDING COMPOSITION IN AN AMOUNT OF 5-30 WEIGHT PERCENT, PREFERABLY 10-25%, BASED UPON THE WEIGHT OF SAID POLYESTER.
Claims10
A flame stabilized molding composition comprising:
- 1. A polyester which is the condensation product of an aromatic dicarboxylic acid, acid-halide or ester and an aliphatic diol having more than 2 carbon atoms in the chain;
- and
- 2. 1,4-bis-(.beta.,.gamma.,.gamma.-trichloroallyl)-2,3,5,6-tetrachlorobenzene , as flameproofing agent, which has the formula:
- ##STR3## said 1,4-bis-(.beta.,.gamma.,.gamma.-trichloroallyl)-2,3,5,6-tetrachlorobenzene being present in said composition in an amount of 5-30 weight percent based upon the weight of said polyester.
Dependencies are inferred from the claim text.