HIGH FLOW POLYSTYRENE RESINS, COMPOSITIONS THEREOF AND METHODS OF MAKING

A polymer composition includes: a matrix polymer component including a polystyrene polymer; and 0.005 wt% to 9 wt. %, based on the weight of the polymer composition, of a fluoropolymer component including a fibrillated fluoropolymer, a fibrillated fluoropolymer encapsulated by an encapsulating polym...

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Bibliographic Details
Main Author Vandormael, Bart
Format Patent
LanguageEnglish
French
German
Published 28.08.2024
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
WORKING-UP
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Summary:A polymer composition includes: a matrix polymer component including a polystyrene polymer; and 0.005 wt% to 9 wt. %, based on the weight of the polymer composition, of a fluoropolymer component including a fibrillated fluoropolymer, a fibrillated fluoropolymer encapsulated by an encapsulating polymer, or a combination thereof. The polystyrene polymer has a molecular weight below 193,000 grams per mole (g/mol) as determined according to gel permeation chromatography (GPC) using polystyrene standards. The polystyrene polymer has a Vicat softening temperature above 90 °C as tested in accordance with ISO 306/B50, and the polymer composition has a tensile modulus between 3300 and 3800 Megapascals (MPa) as tested in accordance with ISO 527. Methods for forming the polymer composition include passing a molten feed composition including the matrix polymer component and the fluoropolymer component through a die to form the polymer composition.
Bibliography:Application Number: EP20230157681