Scorch resistant polyethylene composition

The present invention relates to a cross-linkable polyethylene composition, comprising (i) an unsaturated polyethylene having a total amount of carbon-carbon double bonds/1000 carbon atoms of at least 0.1, and (ii) a cross-linking agent mixture comprising a first and a second peroxide, wherein the f...

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Bibliographische Detailangaben
1. Verfasser:	NYLANDER, PERRY
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CHEMISTRY COMPOSITIONS BASED THEREON CONDUCTORS ELECTRICITY INSULATORS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING GRANULES OR PREFORMS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The present invention relates to a cross-linkable polyethylene composition, comprising (i) an unsaturated polyethylene having a total amount of carbon-carbon double bonds/1000 carbon atoms of at least 0.1, and (ii) a cross-linking agent mixture comprising a first and a second peroxide, wherein the first peroxide has a 10-hour-half-life-temperature which is 1 to 10 degrees higher than that of the second peroxide, and wherein said first peroxide is present in an amount of at least 8 wt% based on the total amount of the first and second peroxide of the cross-linking agent mixture.