| 摘要 |
An object of the present invention is to provide a foam having reduced hardness and density, and an improved resistance to compression set, as well as a foam composition for producing such a foam. This object is achieved by a foam composition described below. The foam composition of the present invention comprises a thermoplastic elastomer which has a side chain containing imino group and/or a nitrogen-containing heterocycle, and a carbonyl-containing group; and a blowing agent.
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