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POLYPROPYLENE-BASED RESIN FOAMED PARTICLE MOLDED BODY, POLYPROPYLENE-BASED RESIN FOAMED PARTICLE, AND METHOD FOR PRODUCING SAME
POLYPROPYLENE-BASED RESIN FOAMED PARTICLE MOLDED BODY, POLYPROPYLENE-BASED RESIN FOAMED PARTICLE, AND METHOD FOR PRODUCING SAME
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机译:基于聚丙烯的树脂发泡颗粒模塑体,聚丙烯基树脂发泡颗粒,以及制备方法
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摘要
This polypropylene-based resin foamed particle molded body is obtained by in-mold molding polypropylene-based resin foam particles each having: a foaming state core layer containing a polypropylene-based resin; and a coating layer that contains a polyethylene resin and covers the core layer. The molded body magnification X [times] of the foamed particle molded body is 55 to 90 times, the value of the product Xσ50 of a compressive stress σ50 [kPa] of 50% of the foamed particle molded body and the molded body magnification X is at least 6500. The compressive stress σ5 of 5% of the foamed particle molded body is 5 to 25 kPa.
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