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    • 4. 发明专利
    • Method for producing thermoplastic resin foam
    • 生产热塑性树脂泡沫的方法
    • JP2013072038A
    • 2013-04-22
    • JP2011213361
    • 2011-09-28
    • Nitto Denko Corp日東電工株式会社
    • KANEDA MITSUHIROKONO YOSHINORIOTA MIEYASUDA HIRONORIYOSHIDA TAKASHIKAMITORI YUKO
    • C08J9/12
    • B29C44/28B29C2035/0827B29C2035/085B29C2035/0877B29C2035/0883B29C2035/1616
    • PROBLEM TO BE SOLVED: To provide a method for producing a thermoplastic resin foam excellent in strength, flexibility, cushioning properties, strain recovery, and the like, particularly, which can stably provide the thermoplastic resin foam that exhibits little shrinkage of the cell structure under a high temperature condition, is capable of achieving a high expansion ratio, and has excellent appearance.SOLUTION: There is provided the method for producing a thermoplastic resin foam, including: 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 more and a tensile break strength of 30 N/15 mm or more, 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.
    • 解决的问题:提供一种强度,柔软性,缓冲性,应变恢复等优异的热塑性树脂发泡体的制造方法,特别是能够稳定地提供几乎不发生收缩的热塑性树脂发泡体 在高温条件下的电池结构能够实现高膨胀率,并且具有优异的外观。 提供了一种热塑性树脂发泡体的制造方法,其特征在于,包括发泡结构形成工序,对含有热塑性弹性体的热塑性树脂组合物和活性能量射线固化性化合物进行发泡成型,得到发泡结构体; 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以上的载体片材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。 版权所有(C)2013,JPO&INPIT