Phenol free stabilization of polyethylene

This invention provides a process for the stabilization of thermoplastic polyolefins during melt processing operations. The stabilizer package of this invention is "phenol free" and comprises at least two selected phosphite stabilizers. In some embodiments, the process is suitable for the...

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Bibliographic Details
Main Authors Waldie, Fraser D. Cole, Lightbody, Owen C, Chisholm, P. Scott, Tikuisis, Tony
Format Patent
LanguageEnglish
Published 08.05.2018
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
WORKING-UP
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Summary:This invention provides a process for the stabilization of thermoplastic polyolefins during melt processing operations. The stabilizer package of this invention is "phenol free" and comprises at least two selected phosphite stabilizers. In some embodiments, the process is suitable for the manufacture of polyethylene film.
Bibliography:Application Number: US201615352964