| 摘要 |
To provide a vinyl chloride type thermoplastic elastomer composition which is excellent in shape retention at a high temperature and in the reduction of compression set without lowering the moldability required for a vinyl chloride type resin composition. A vinyl chloride type thermoplastic elastomer composition produced by blending and kneading a pelletized composition (D) obtained by kneading a mixture comprising 100 parts of (A) a vinyl chloride type resin having a high average polymerization degree, from 20 to 200 parts of (B) a plasticizer, and from 50 to 200 parts of (C) a powdered partially crosslinked acrylonitrile/butadiene copolymer, with a powdery mixture (E) obtained by mixing a vinyl chloride type resin having a low average polymerization degree and a plasticizer.
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