Thermoplastic elastomer composition, method for producing foamed body and foamed body using the same

摘要

The present invention relates to a thermoplastic elastomer composition having a three-dimensional network structure without chemical crosslinking, excellent resiliency recovery and flexibility, and has high foaming capability, uniform bubble foam shape, elastic resiliency, flexibility, and surface flexibility It relates to a foamed body excellent in view and its manufacturing method. The thermoplastic elastomer composition of the present invention comprises EPDM (1), crystalline polyethylene resin (2), crystalline ethylene polymer block and block having high compatibility with EPDM than crystalline polyethylene resin The copolymer (3) and the antiaging agent may be mixed at a predetermined rate, and mixed kneading may be performed by a pressure type kneader. Further, 1 mass parts of the wetting agent and a foaming agent are added to 100 parts by mass of the thermoplastic elastomer composition and stirred and mixed, and then foamed and extruded.