| abstract |
The present inventionn n n (i) halogen-containing polymer materials, andn n n (ii) compositions comprising at least one phosphite of formula (1), as well as novel compounds of formula (1) and their use as stabilizers:n n n n n n n n Wheren n n n is a number from 1 to 6,n n n R is a divalent linking group of the formula:n n n n n n n n n n n n n m is a number from 1 to 5,n n n R 1 , R 2 , R 3 and R 4 independently of one another are C 4 -C 22 alkyl, C 7 -C 9 phenylalkyl, C 5 -C 8 cycloalkyl or C 1 -C 4 alkyl-C 5 -C 8 Cycloalkyl, orn n n R 1 and R 2 and / or R 3 and R 4 together are C 2 -C 9 alkylene or a group of formulan n n being. |