Composition based on high molecular weight organotin maleates which can be used to stabilize thermoplastic polymers, process for producing the said compositions
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United States of America Patent
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Nov 16, 1999
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N/A
app pub date -
Jan 9, 1998
filing date -
Jan 9, 1997
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Abstract
The invention relates to a composition containing high molecular weight organotin maleates as obtained by reacting a high molecular 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 the poly(vinyl chloride) (PVC) compositions stabilized using the said composition based on high molecular weight organotin maleates and also to the extruded rigid items formed from the said PVC compositions.
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