PRE-CURED PRODUCT FOR THERMALY EXPANDABLE COMPOSITIONS

A product, especially a master-batch for producing thermally expandable compositions, is obtainable or obtained by reacting, preferably by extruding, a mixture comprising:(a) at least one polymer P, cross-linkable by peroxide, and(b) at least one coagent, especially an acrylate A, and(c) at least on...

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Bibliographische Detailangaben
Hauptverfasser:	Wolschleger, Leslie, LaNore, Braden, Mabilia, Jena, Speight, Michael
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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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Beschreibung
Zusammenfassung:	A product, especially a master-batch for producing thermally expandable compositions, is obtainable or obtained by reacting, preferably by extruding, a mixture comprising:(a) at least one polymer P, cross-linkable by peroxide, and(b) at least one coagent, especially an acrylate A, and(c) at least one peroxide PE,wherein the mixture is reacted such that the product has an average melt flow index (MFI) of between 0.1 and 8 g/10 min, preferably between 0.2 and 5 g/10 min, more preferably between 0.25 and 1.25 g/10 min.