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Process for producing molded article of expanded polyolefin-based resin beads, and molded article of expanded polyolefin-based resin beads
Process for producing molded article of expanded polyolefin-based resin beads, and molded article of expanded polyolefin-based resin beads
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机译:发泡聚烯烃基树脂珠粒的成型品的制造方法以及发泡聚烯烃基树脂珠粒的成型品
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摘要
A process produces a polyolefin-based resin expanded beads molded article that is excellent in bending deflection characteristics, high in porosity, low in bulk density and light in weight, and has interconnected void spaces. The process comprises filling, in a mold cavity, multi-layered polyolefin-based resin expanded beads each of which has a cylindrical, polyolefin-based resin expanded core layer and a polyolefin-based resin outer layer covering the expanded core layer and which satisfy specific requirements, introducing steam in the mold cavity to heat the multi-layered expanded beads filled in the mold cavity to fuse bond and mold the multi-layered expanded beads in the mold cavity.
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