Physical and mechanical properties of rigid polyurethane foams modified with polystyrene beads

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Physical and mechanical properties of rigid polyurethane foams modified with polystyrene beads

机译：聚苯乙烯珠改性的硬质聚氨酯泡沫的物理和机械性能

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This study presents a method of obtaining porous materials based on the rigid polyurethane foam (RPURF) as the matrix and containing thermoplastic polystyrene beads (EPS) as the fillers. In RPURF-EPS composites, the compact EPS were expanded after heating above a glass transition temperature of the EPS and gas vapouring incorporated inside the EPS, by using heat of exothermic reaction of polyol with isocyanate. The thermal conductivity, compressive strength, core density and cell structure of the new materials were investigated.

机译：这项研究提出了一种以硬质聚氨酯泡沫（RPURF）为基质并以热塑性聚苯乙烯珠（EPS）为填充剂的多孔材料的制备方法。在RPUFR-EPS复合材料中，通过使用多元醇与异氰酸酯的放热反应热，加热到高于EPS的玻璃化转变温度并掺入EPS内的气体蒸发后，致密的EPS膨胀。研究了新材料的热导率，抗压强度，芯密度和孔结构。

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《e-Polymers》 |2012年第1期|共页
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中图分类高分子化合物工业（高聚物工业）;
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Physical and mechanical properties of rigid polyurethane foams modified with polystyrene beads

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