Foam particle moulded article, and production method therefor
AssigneeJsp Corporation
InventorsShota TAKAGI, Masaharu OIKAWA
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Abstract
An expanded beads molded article containing a block copolymer of a polyethylene block and an ethylene-α-olefin copolymer block and having a density of 150 kg/m3 or more and 500 kg/m3 or less and a tensile strength of 0.5 MPa or more.
Claims8
An expanded beads molded article, comprising a block copolymer of a polyethylene block and an ethylene-α-olefin copolymer block and having a density of 150 kg/m3 or more and 500 kg/m3 or less and a tensile strength of 0.5 MPa or more.
A method for producing an expanded beads molded article containing a block copolymer of a polyethylene block and an ethylene-α-olefin copolymer block, having a molded article density of 150 kg/m3 or more and 500 kg/m3 or less and a tensile strength of 0.5 MPa or more,
- the method comprising:
- filling expanded beads of a block copolymer of a polyethylene block and an ethylene-α-olefin copolymer block having an attached amount of an anionic surfactant of 2 mg/m2 or more, in a mold;
- and heating the expanded beads with steam, so as to fusion bond the expanded beads to each other.
Dependencies are inferred from the claim text.