ADDITIVES FOR USE IN POLYMER PROCESSING AND METHODS OF PREPARATION AND USE THEREOF

ADDITIVES FOR USE IN POLYMER PROCESSING AND METHODS OF PREPARATION AND USE THEREOF

Compositions comprising a polymeric liquid and a viscosity modifier comprisi ng a solid material active in lowering the viscosity of the polymeric liquid. T he solid material has a particle size of about 75 microns equivalent spherical diameter and is present at a concentration of up to about 2 % by...

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Hauptverfasser: BREM, GERALD F, BOOTH, JESS RAE, BARBER, JOHN D
Format: Patent
Sprache:eng ; fre
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CHEMISTRY
COMPOSITIONS BASED THEREON
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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creator BREM, GERALD F
BOOTH, JESS RAE
BARBER, JOHN D
description Compositions comprising a polymeric liquid and a viscosity modifier comprisi ng a solid material active in lowering the viscosity of the polymeric liquid. T he solid material has a particle size of about 75 microns equivalent spherical diameter and is present at a concentration of up to about 2 % by weight of t he composition. The solid material can act by lowering the viscosity of the polymeric liquid at stress amplitudes and strain rates where a linear relati on exists between stress amplitude and strain rate, and by lowering the viscosi ty of the polymeric liquid at stress amplitudes and strain rates approaching an d exceeding the critical stress value of the polymeric liquid. Methods of preparing and using the compositions, and methods of selecting the solid material, are presented.
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
title ADDITIVES FOR USE IN POLYMER PROCESSING AND METHODS OF PREPARATION AND USE THEREOF
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