Additives with reduced residual tin content and...

Details Additives with reduced residual tin content and... Additives with reduced residual tin content and...

C - Chemistry, Metallurgy

07

C

C07C 67/60 (2006.01) C07C 67/08 (2006.01) C07C 69/24 (2006.01) C07C 69/675 (2006.01) C08K 5/10 (2006.01)

Patent

CA 2390396

Additives obtained from the catalytically induced esterification reaction of a mono- or polyhydroxy alkanol and at least one carboxylic acid employing a complexing agent selected from dicarboxylic acid or anhydrides thereof to substantially reduce the residual tin content and thermoplastic compositions and articles produced thereby.

L'invention concerne des additifs obtenus de la réaction d'estérification induite par catalyse d'un mono- ou polyhydroxy alcanol et d'au moins un acide carboxylique à l'aide d'un agent complexant sélectionné parmi les acides dicarboxyliques ou leurs anhydrides afin de réduire sensiblement le taux d'étain résiduel. L'invention concerne également des compositions thermoplastiques et des articles obtenus à partir de ces compositions.

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