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Bales of unvulcanized rubber, or compounding ingredients for unvulcanized rubber are packaged in film or bags made from an ethylene alpha -olefin copolymer having a Vicat softening point below 90 DEG C and a melting point below 100 DEG C, and optionally a second ethylene copolymer is added to improv...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MICHIELS, DIRK, JOZEF, HALLE, RICHARD, WAYNE, MIDDLESWORTH, JEFFREY, ALAN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Bales of unvulcanized rubber, or compounding ingredients for unvulcanized rubber are packaged in film or bags made from an ethylene alpha -olefin copolymer having a Vicat softening point below 90 DEG C and a melting point below 100 DEG C, and optionally a second ethylene copolymer is added to improve processability of the first ethylene copolymer. The second ethylene copolymer will contain more long-chain branches than the first ethylene copolymer. Such films may be included in a rubber compounding operation. Des balles de caoutchouc non vulcanisé, ou des ingrédients entrant dans la composition dudit caoutchouc sont emballés dans des films ou des sacs faits d'un copolymère de type éthylène/oléfine- alpha présentant un point de ramollissement Vicat inférieur à 90 DEG C et un point de fusion inférieur à 100 DEG C; et facultativement, d'un second copolymère facilitant le traitement du premier et contenant plus de branches à longue chaîne que le premier. Lesdits films peuvent entrer dans les opérations de mélangeage du caoutchouc.