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Non stretching melting of styrene type resin it pushes out to
Non stretching melting of styrene type resin it pushes out to
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机译:推出的苯乙烯型树脂的非拉伸熔融
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摘要
PROBLEM TO BE SOLVED: To provide a process for preparing reclaimed foamable styrenic resin particles having a narrow particle size distribution in high yield, reclaimed foamable styrenic resin particles and molded articles obtainable by foaming the same. SOLUTION: A process for preparing reclaimed foamable styrenic resin particles comprises dispersing styrenic resin particles obtainable by non- orientation melting and pulverization of shrink molded articles of foamable styrenic resins in an aqueous medium and impregnating the particles with a ready-to-volatilize blowing agent. In this instance, the non-oriented melt of a styrenic resin is extruded into a sheet by an extruder by providing a slit for the sheet-like styrenic resin before cooling and setting up. Molded articles can be obtained by subjecting the reclaimed foamable styrenic resin particles to foaming.
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