Stabilizer system for chlorine-containing polymers

Details Stabilizer system for chlorine-containing polymers Stabilizer system for chlorine-containing polymers

C - Chemistry, Metallurgy

08

K

C08K 13/02 (2006.01) C08K 3/00 (2006.01) C08K 3/22 (2006.01) C08K 3/32 (2006.01) C08K 5/3462 (2006.01) C08L 27/04 (2006.01)

Patent

CA 2256637

A description is given of stabilizer combinations comprising A) at least one compound of the formula I (see formula I) in which R1 and R2 independently of one another are C1-C12-alkyl, C3-C6-alkenyl, C5-C8-cycloalkyl which is unsubstituted or substituted by 1 to 3 C1-C4-alkyl-, C1-C4-alkoxy-, C5-C8-cycloalkyl or hydroxyl groups or chlorine atoms, or are C7-C9-phenylalkyl which is unsubstituted or substituted on the phenyl ring by 1 to 3 C1-C4-alkyl, C1-C4-alkoxy, C5- C8-cycloalkyl or hydroxyl groups or chlorine atoms, and R1 and R2 can additionally be hydrogen, and Y is S or O, and B) at least one compound from the group of the calcium aluminum hydroxides and/or their hydrates and/or C) at least one compound from the group of the calcium aluminum hydrogen phosphites and/or their hydrates and/or D) at least one compound of the group of the aluminum hydroxides and/or their hydrates and/or E) at least one compound from the group of the calcium aluminum hydroxo (hydrogen) carbonates and/or their hydrates and/or F) at least one compound from the group of the lithium layered lattice compounds and/or their hydrates and/or G) at least one compound from the group of the titanium-containing hydrotalcites and/or their hydrates which are suitable for stabilizing chlorine-containing polymers, especially PVC.

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