▎ 摘　　要

NOVELTY - Epoxy cross-linked nylon elastomer foaming material comprises nylon elastomers, foaming agent, nucleating agent, epoxy crosslinking agent and auxiliary agent in a mass ratio of 100:0.5-5:0.5-5:0.2-6:0.4-8. USE - The foaming material is useful for automobile, aerospace, sports device, cold chain transportation, medical appliance and electronic appliance, and foaming middle sole of shoes. ADVANTAGE - The foaming material has excellent cold resistance, high toughness, excellent rebound resilience, light weight, excellent mechanical property and can be used as foaming middle sole of shoes and widely applied. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the foaming material, comprising (1) mixing the nylon elastomer, foaming agent, nucleating agent, epoxy crosslinking agent and auxiliary agent through open mill to obtain pre-foamed sheet, (2) placing the pre-foamed sheet into the mold for foaming to obtain coarse foam, and (3) placing coarse foaming material into the mold again and foaming to obtain the foaming material.