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POLYMER STABILISING COMPOSITIONS, POLYMERS STABILISED THEREWITH, SHAPED ARTICLES FORMED FROM SUCH POLYMERS AND A PROCESS FOR POLYMER STABILISATION
POLYMER STABILISING COMPOSITIONS, POLYMERS STABILISED THEREWITH, SHAPED ARTICLES FORMED FROM SUCH POLYMERS AND A PROCESS FOR POLYMER STABILISATION
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机译:聚合物稳定化组合物,使其中的聚合物稳定化,由这种聚合物制成的异型制品以及聚合物稳定化的过程
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摘要
This invention relates to stabilizer compositions for polymers containing 1) an organotin compound, or mixture of organotin compounds, 2) a mercaptan-containing organic compound or mixture of mercaptan-containing organic compounds, and optionally, 3) a halogen-containing tin compound or mixture of halogen-containing tin compounds, said stabilizers having a total halogen content of about 0.1% to about 10% by weight based on the weight of the stabilizer composition. This invention also relates to compositions containing said stabilizers, to a process for stabilizing polymer by adding thereto said stabilizers, and to articles of manufacture, e.g. pipe, comprising a polymer and said stabilizers.
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