| abstract |
The invention relates to the field of thermoplastic elastomer foamed materials, and discloses a composition for preparing ethylene octene copolymer/polylactic acid thermoplastic elastomer foamed materials, the foamed material, and a preparation method and application thereof. The composition comprises 70-95 parts by weight of a thermoplastic elastomer and 5-30 parts by weight of a foaming agent masterbatch, wherein the thermoplastic elastomer comprises: 100 parts by weight of an ethylene octene copolymer, 30-100 parts by weight of a polymer Lactic acid, 0.5-10 parts by weight of vulcanizing agent, 0.5-5 parts by weight of antioxidant, 0.1-10 parts by weight of antioxidant; the foaming agent master batch comprises 50-90 parts by weight of compatibilizer, 5 -30 parts by weight of foaming agent, 5-20 parts by weight of co-foaming agent. The foamed material prepared from the composition of the invention has good physical and mechanical properties and thermal aging properties, is easy to process, and is suitable for use in the fields of automobile interior and exterior decoration and rail transportation. |