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    • 10. 发明申请
    • PROCESS FOR PRODUCING THERMOPLASTIC RESIN FOAM
    • 生产热塑性树脂泡沫的方法
    • US20130075958A1
    • 2013-03-28
    • US13613779
    • 2012-09-13
    • Mitsuhiro KANADAYoshinori KOUNOMie OTAHironori YASUDAKei YOSHIDAYuko KANDORI
    • Mitsuhiro KANADAYoshinori KOUNOMie OTAHironori YASUDAKei YOSHIDAYuko KANDORI
    • B29C67/20
    • B29C44/28B29C2035/0827B29C2035/085B29C2035/0877B29C2035/0883B29C2035/1616
    • The present invention provides a process for producing a thermoplastic resin foam excellent in strength, flexibility, cushioning properties, strain recovery, and appearance, and exhibiting little shrinkage of the cell structure under a high temperature condition and a high expansion ratio. The process includes a foamed structure formation step of foam molding a thermoplastic resin composition containing a thermoplastic elastomer and an active energy-ray curable compound to thereby obtain a foamed structure; a foamed structure conveyance step of continuously conveying the foamed structure by a carrier sheet having a surface roughness (Ra) of 1 μm or larger and a tensile break strength of 30 N/15 mm or higher, after the foamed structure formation step; and an active energy-ray irradiation step of irradiating the foamed structure with an active energy ray to thereby form a crosslinked structure by the active energy-ray curable compound in the foamed structure.
    • 本发明提供一种制造强度,柔韧性,缓冲性,应变恢复性和外观优异的热塑性树脂发泡体的方法,并且在高温条件和高膨胀率下几乎没有收缩细胞结构。 该方法包括泡沫结构形成步骤,其对包含热塑性弹性体和活性能量射线固化性化合物的热塑性树脂组合物进行发泡成型,从而获得发泡结构; 发泡结构输送工序,在发泡结构形成工序后,通过表面粗糙度(Ra)为1μm以上,拉伸断裂强度为30N / 15mm以上的载体片连续输送发泡结构体; 以及活性能量射线照射步骤,用活性能量射线照射发泡结构,从而通过发泡结构体中的活性能量射线固化性化合物形成交联结构。