COMPOSITION WITH BASE OF ORGANOTIN MALEATES USEFUL FOR STABILISING AND LUBRICATING THERMOPLASTIC POLYMERS, METHOD FOR OBTAINING SAID COMPOSITION

European Patent Office Patent

PATENT NO 0963368
APP PUB NO EP-0963368-A1
SERIAL NO

97952106

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The invention relates to a composition containing organotin maleates such as is obtained by reacting a mixture of a low molecular weight alcohol or epoxyalkane and of a high molecular weight alcohol or epoxyalkane with maleic anhydride and by then bringing the mixture thus obtained into contact with a dialkyltin oxide. The invention also relates to poly(vinyl chloride) (PVC) composition stabilized and lubricated using the said composition based on organotin maleates and also to the extruded rigid objects formed from the said PVC compositions.

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