Low elastic macromolecule compsns. and sealing material using same

A low-modulus polymer composition comprises (A) at least one thermoplastic elastomer selected from the group consisting of a hydrogenated styrene-isoprene-styrene block copolymer, a hydrogenated styrene-butadiene-styrene block copolymer and a styrene-ethylene-ethylene-propylene-styrene block copolym...

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Bibliographische Detailangaben
Hauptverfasser:	MIZOGUCHI TETSURO, SASAKI TOSHIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYES ELECTRICITY GENERATION INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	A low-modulus polymer composition comprises (A) at least one thermoplastic elastomer selected from the group consisting of a hydrogenated styrene-isoprene-styrene block copolymer, a hydrogenated styrene-butadiene-styrene block copolymer and a styrene-ethylene-ethylene-propylene-styrene block copolymer, (B) a rubber component containing an ethylene-propylene-diene rubber, and (C) a softener, or a polymer composition further comprising (a) an olefin polymer and, if necessary, (D) carbon black, wherein the amount of the component (C) is not less than 200 parts by weight based on 100 parts by weight of the total amount of the components (A) and (B) or (A), (B)and (a), and at least portion of the rubber component (B) is crosslinked by dynamic crosslinking; sealants may be made therefrom.