Multipurpose additive system for thermoplastic resins
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United States of America Patent
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Apr 20, 1993
Grant Date -
N/A
app pub date -
Dec 11, 1990
filing date -
Dec 11, 1990
priority date (Note) -
Expired
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Abstract
A multipurpose additive system comprising (a) an alkali metal zeolite, an alkaline earth metal zeolite, zinc zeolite, or mixtures thereof; (b) (i) an aliphatic compound containing at least six carbon atoms substituted with one or more polar functional groups sufficient to provide a polar group frequency factor of at least about 0.01; or (ii) a polydimethylsiloxane compound containing from 4 to about 500 siloxane units, substituted with one or more polar functional groups sufficient to provide a polar group frequency factor of at least about 0.01; or (iii) mixtures thereof in any proportion; and (c) optionally, zinc oxide.
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