Process for the stabilization of and stabilizer mixtures for recycled plastics
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United States of America Patent
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Jul 1, 1997
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N/A
app pub date -
Mar 21, 1995
filing date -
Sep 25, 1992
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Abstract
Recycled plastics, predominanty thermoplastics, from domestic, commercial and industrial waste can be stabilized against thermooxidative degradation by adding a combination of a sterically hindered phenol with an organic phosphite or phosphonite and a metal salt of a fatty acid.
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