Additive mixture having a nucleating action for plastics...

Details Additive mixture having a nucleating action for plastics... Additive mixture having a nucleating action for plastics...

C - Chemistry, Metallurgy

08

K

C08K 5/053 (2006.01) C08K 5/00 (2006.01) C08K 5/1575 (2006.01) C08K 5/20 (2006.01) C08L 23/12 (2006.01)

Patent

CA 2202109

The present invention relates to additive mixtures having a nucleating action for plastic compositions, comprising nucleating agents based on dibenzylidenesorbitol, or derivatives thereof, and amido-functional compounds. The aldehydes formed from the nucleating agents by decomposition during processing and use of the plastics treated therewith are collected and bound by adsorption, absorption and/or chemical reaction.

La présente invention porte sur des mélanges d'additifs à activité de nucléation pour les compositions de matières plastique, comportant des agents de nucléation à base de dibenzylidènesorbitol, ou de dérivés de celui-ci, ainsi que de composés à groupes amido. Les aldéhydes formés par la décomposition des agents de nucléation au cours du traitement et de l'utilisation des plastiques traités avec ces mélanges sont recueillis et liés par adsorption, par absorption et (ou) par une réaction chimique.

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