COMPOSITE MOLDED ARTICLE AND PROCESS FOR PRODUCING THE SAME

COMPOSITE MOLDED ARTICLE AND PROCESS FOR PRODUCING THE SAME

The present invention provides a composite molded article and a method for producing the same. The composite molded article comprises a molded article of an olefin thermoplastic elastomer (A) and a molded article of an olefin thermoplastic elastomer (B) fused to each other, wherein the olefin thermo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NATSUYAMA NOBUHIRO, SHIGEMATSU HIRONOBU
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:The present invention provides a composite molded article and a method for producing the same. The composite molded article comprises a molded article of an olefin thermoplastic elastomer (A) and a molded article of an olefin thermoplastic elastomer (B) fused to each other, wherein the olefin thermoplastic elastomer molded article (A) contains an olefin thermoplastic elastomer composition (A′) having less than 5% by weight of a cyclohexane-soluble(s) and less than 35% of a compression set (JIS K6262, 70° C., 22 hours), and the olefin thermoplastic elastomer molded article (B) contains an olefin thermoplastic elastomer composition (B′) obtained by blending 100 parts by weight of an ethylene/α-olefin/non-conjugated diene copolymer rubber (b-1) containing 6 to 15 wt % of a non-conjugated diene unit, with 40 to 150 parts by weight of a mineral oil softener (b-2), 5 to 150 parts by weight of an olefin resin (b-3), and 0.01 to 20 parts by weight of a crosslinking agent (b-4) and subsequent dynamic heat treatment thereof.