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    • 7. 发明专利
    • Method for recycling waste of thermoplastic resin molded article
    • 回收热塑性树脂模制废物的方法
    • JP2008200984A
    • 2008-09-04
    • JP2007039170
    • 2007-02-20
    • Mazda Motor Corpマツダ株式会社
    • MORIWAKI KENJITOCHIOKA TAKAHIRO
    • B29B17/02B02C21/00B02C23/10B07B9/00B09B3/00B09B5/00B29B17/04
    • B07C5/3422B07C5/368B07C2501/0018B07C2501/0036B07C2501/0054B29B17/02B29B17/0412B29B2017/0227B29B2017/0279B29B2017/0484B29K2705/00B29K2995/002B29L2031/3044Y02W30/523Y02W30/622Y02W30/625
    • PROBLEM TO BE SOLVED: To provide a method for recycling the waste of a thermoplastic resin molded article which can easily bring about a coated-film stripped and ground material as a remolding material in a high-yield manner. SOLUTION: This recycling method comprises: a grinding step (S1) of grinding a plurality of kinds of waste materials of the thermoplastic resin molded articles whose resin base material softening temperatures are different from one another and which have coated films and metallic components; a metallic-material screening and removing step (S3) of screening and removing a metallic material obtained by grinding the metallic component from among ground materials ground through the grinding step by a screening device; a ground-material screening step (S5) of screening a desired resin-ground material by dropping the ground material from which the metallic material is removed through the metallic-material screening and removing step, and changing a ground-material dropping direction in such a manner that a jet of gas is emitted to either of the resin-ground material unnecessary and the desired resin-ground material among the falling ground materials; and a coated-film stripping step (S7) of stripping off the coated film bonded to a base material by applying a searing force to the desired resin-ground material screened through the ground-material screening step under the condition of the softening temperature of the resin base material contained in the resin-ground material. COPYRIGHT: (C)2008,JPO&INPIT
    • 待解决的问题:提供一种能够以高收率的方式容易地将作为重塑材料的被覆膜剥离和研磨的材料容易地引入热塑性树脂成型体的废弃物的再循环方法。 解决方案:该回收方法包括:研磨步骤(S1),其研磨树脂基材软化温度彼此不同并且具有涂膜和金属组分的热塑性树脂模制品的多种废料 ; 金属材料筛选和去除步骤(S3),通过筛选装置筛选和除去通过研磨步骤研磨的研磨材料中的金属成分获得的金属材料; 通过将通过金属材料筛选和除去步骤从金属材料除去的研磨材料滴下来筛选期望的树脂研磨材料的地面材料筛选步骤(S5),并且将这种材料的下降方向改变 使得喷射的气体不需要的树脂研磨材料中的任何一种以及落下的地面材料中的期望的树脂 - 研磨材料的方式; 以及涂覆膜剥离步骤(S7),通过在通过研磨材料筛选步骤筛选的期望的树脂 - 研磨材料上施加灼伤力,在粘合到基材的涂膜上,在软化温度 包含在树脂研磨材料中的树脂基材。 版权所有(C)2008,JPO&INPIT