PURPOSE: To facilitate process, make continuous forming possible and consequently easily and rapidly manufacture a multilayer composite formed body by a method wherein the multilayer composite formed body is made out of ultra-high- molecular-weight polyethylene layer and thermoplastic elastomer layer.
CONSTITUTION: As the ultra-high-molecular-weight polyethylene(UHMPE), one having the mean molecular weight by viscosity method of 500,000-20,000,000, preferable 1,000,000-8,000,000 can be used. As the thermoplastic elastomer, styrene-based thermoplastic elastomer, olefin-based thermoplastic elastomer, or the like is used. Powdered UHMPE 2 and thermoplastic elastomer 1' are filled in a mold 3 in the order named. Next, the air in the raw material is driven out by lowering an upper mold 4 and, after that, both the mold 3 and the upper mold 4 are heated. By heating the raw material up to the melting point of UHMPE 2' or higher so as to be uniformly melted in order to be able to manufacture a multilayer composite formed body after the cooling of this molds 3 and 4 and the removal of pressure.
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KOYAMA HARUO
MOROOKA TAKUYA
| JPS5931145A | 1984-02-20 | |||
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| JPS6222775A | 1987-01-30 | |||
| JPS6220891A | 1987-01-29 |