Fire-retardant compositions

Details Fire-retardant compositions Fire-retardant compositions

C - Chemistry, Metallurgy

08

K

C08K 3/24 (2006.01) C08K 3/38 (2006.01) C09K 21/02 (2006.01)

Patent

CA 2087547

This invention relates to fire-retardant polymer compositions, and preferably, but not exclusively, to fire-retardant polya- mide compositions. It has now been found that the combination of a zinc borate and a divalent metal stannate, particularly zinc stannate, in halogen-containing polymeric compositions provides an increased fire-retardant effect, which is greater than that ex- pected from the use of either zinc borate or the stannate alone. The combination also suppresses smoke production. Preferably the stannate is zinc stannate.

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