Polyolefin Polymers With Increased Melt Strength

A polymer composition with increased melt strength is disclosed. The polymer composition contains at least one polypropylene polymer combined with at least one melt strength modifier. The melt strength modifier can comprise a sorbitol derivative in an amount sufficient to change the melt strength ch...

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Bibliographic Details
Main Authors Montoya, Amaia, Zhong, Jing
Format Patent
LanguageEnglish
Published 24.06.2021
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
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:A polymer composition with increased melt strength is disclosed. The polymer composition contains at least one polypropylene polymer combined with at least one melt strength modifier. The melt strength modifier can comprise a sorbitol derivative in an amount sufficient to change the melt strength characteristics and properties of the polymer. The polymer composition can be used in thermoforming processes and to produce polymer foams. The melt strength modifier can increase the melt strength of the polymer without having to induce branching in the polypropylene polymer.
Bibliography:Application Number: US201816754794