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 must contain at least two selected phosphite stabilizers. The process of this invention is especially suitab...

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Bibliographic Details
Main Authors LIGHTBODY, OWEN C, TIKUISIS, TONY, CHISHOLM, P. SCOTT, WALDIE, FRASER D. COLE
Format Patent
LanguageEnglish
French
Published 25.05.2017
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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 must contain at least two selected phosphite stabilizers. The process of this invention is especially suitable for the manufacture of polyethylene film.
Bibliography:Application Number: CA20152913280