POLYDIMETHYLSILOXANE GRAFTED POLYETHYLENE FOAM

In one aspect there is provided a foam comprising: a polymeric matrix comprising polyethylene grafted polymerized siloxane, and a plurality of cells formed in the polymeric matrix and containing a blowing agent comprising carbon dioxide. In another aspect there is provided a method of making a foam...

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Main Authors LI, DACHAO, ZHANG, JIANXIN J, DU, ZHE A, CHEN, CHENG, GUO, DAVID HONG FEI, SUN, GANGWEI
Format Patent
LanguageEnglish
French
Published 18.02.2016
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Abstract In one aspect there is provided a foam comprising: a polymeric matrix comprising polyethylene grafted polymerized siloxane, and a plurality of cells formed in the polymeric matrix and containing a blowing agent comprising carbon dioxide. In another aspect there is provided a method of making a foam comprising: grafting polymerized siloxane to polyethylene to form a grafted intermediate; molding the grafted intermediate to form a molded intermediate; and foaming the molded intermediate using high-pressure CO2 to form the foam, wherein the foam has a porosity greater than 75%. Un aspect de l'invention concerne une mousse comprenant : une matrice polymère comprenant du siloxane polymérisé greffé par un par du polyéthylène, et une pluralité de cellules formées dans la matrice polymère et contenant un agent d'expansion contenant du dioxyde de carbone. Dans un autre aspect, l'invention concerne un procédé de fabrication d'une mousse comprenant les étapes suivantes : greffage de siloxane polymérisé à du polyéthylène pour former un intermédiaire greffé; moulage de l'intermédiaire greffé pour former un intermédiaire moulé; et moussage de l'intermédiaire moulé en utilisant du CO2 à haute pression pour former la mousse, la mousse ayant une porosité supérieure à 75 %.
AbstractList In one aspect there is provided a foam comprising: a polymeric matrix comprising polyethylene grafted polymerized siloxane, and a plurality of cells formed in the polymeric matrix and containing a blowing agent comprising carbon dioxide. In another aspect there is provided a method of making a foam comprising: grafting polymerized siloxane to polyethylene to form a grafted intermediate; molding the grafted intermediate to form a molded intermediate; and foaming the molded intermediate using high-pressure CO2 to form the foam, wherein the foam has a porosity greater than 75%. Un aspect de l'invention concerne une mousse comprenant : une matrice polymère comprenant du siloxane polymérisé greffé par un par du polyéthylène, et une pluralité de cellules formées dans la matrice polymère et contenant un agent d'expansion contenant du dioxyde de carbone. Dans un autre aspect, l'invention concerne un procédé de fabrication d'une mousse comprenant les étapes suivantes : greffage de siloxane polymérisé à du polyéthylène pour former un intermédiaire greffé; moulage de l'intermédiaire greffé pour former un intermédiaire moulé; et moussage de l'intermédiaire moulé en utilisant du CO2 à haute pression pour former la mousse, la mousse ayant une porosité supérieure à 75 %.
Author DU, ZHE A
CHEN, CHENG
LI, DACHAO
ZHANG, JIANXIN J
GUO, DAVID HONG FEI
SUN, GANGWEI
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DocumentTitleAlternate MOUSSE DE POLYÉTHYLÈNE GREFFÉS DE POLYDIMÉTHYLSILOXANE
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DU, ZHE A
CHEN, CHENG
LI, DACHAO
ZHANG, JIANXIN J
GUO, DAVID HONG FEI
SUN, GANGWEI
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Snippet In one aspect there is provided a foam comprising: a polymeric matrix comprising polyethylene grafted polymerized siloxane, and a plurality of cells formed in...
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SubjectTerms AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
BASIC ELECTRIC ELEMENTS
CABLES
CHEMISTRY
COMPOSITIONS BASED THEREON
CONDUCTORS
ELECTRICITY
GENERAL PROCESSES OF COMPOUNDING
INSULATORS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
Title POLYDIMETHYLSILOXANE GRAFTED POLYETHYLENE FOAM
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