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    • 1. 发明授权
    • Multilayered molding
    • 多层成型
    • US5188882A
    • 1993-02-23
    • US804591
    • 1991-12-10
    • Akira UchiyamaNaoaki JimboShizuo Shimizu
    • Akira UchiyamaNaoaki JimboShizuo Shimizu
    • B29C45/14B32B27/08
    • B29C45/14811B32B27/08B29C2045/14844B29C45/1418Y10T428/24504Y10T428/249981Y10T428/249992Y10T428/249993Y10T428/31913
    • A multilayered molding is disclosed, which has a base molding outer layer mainly composed of a partial crosslinking type substance A obtained from polyolefin resin and ethylene-.alpha.-olefin copolymer rubber or a mixture B of polyolefin resin and ethylene-.alpha.-olefin copolymer rubber or both. The outermost layer is in direct contact with and forms a lamination with an inner intermediate layer or a base molding composed of a polyethylene resin, for instance, and is firmly bonded to the outermost layer. A method of manufacturing such multilayered molding is also disclosed, in which a composite sheet of the thermoplastic elastomer with or without the intermediate layer is preliminarily heated, followed by being suction held in close contact with a mold cavity inner surface, thus forming a surface layer. The mold is then clamped, and fluidized and plasticized polyolefin resin is injected to produce the molding. The polyolefin resin may also be injected prior to the clamping.
    • 公开了一种多层成型体,其具有主要由聚烯烃树脂和乙烯-α-烯烃共聚物橡胶得到的部分交联型物质A或聚烯烃树脂和乙烯-α-烯烃共聚物橡胶的混合物B的基础成型外层,或 都。 最外层例如与内部中间层或由聚乙烯树脂构成的基底模塑件直接接触并形成层压,并且牢固地结合到最外层。 还公开了制造这种多层成型体的方法,其中预先加热具有或不具有中间层的热塑性弹性体的复合片材,然后与模具腔内表面紧密接触地吸附,从而形成表面层 。 然后将模具夹紧,并注入流化和增塑的聚烯烃树脂以制备模制品。 聚烯烃树脂也可以在夹紧之前被注入。
    • 10. 发明授权
    • Process for preparing thermoplastic elastomer compositions and
thermoplastic elastomer compositions
    • 制备热塑性弹性体组合物和热塑性弹性体组合物的方法
    • US5191005A
    • 1993-03-02
    • US613749
    • 1990-12-13
    • Kazuhiko MurataNorishige MurakamiShizuo Shimizu
    • Kazuhiko MurataNorishige MurakamiShizuo Shimizu
    • C08L23/16C08L23/22
    • C08L23/16C08L23/22C08L2205/03C08L2312/00C08L2312/02
    • Thermoplastic elastomer compositions are prepared by feeding a mixture of (a) a peroxide crosslinking type olefin copolymer rubber, (b) a peroxide decomposition type olefin plastics and optionally, (c) a peroxide non-crosslinking type hydrocarbon rubbery substance through a hopper into a cylinder of an extrusion machine, and feeding simultaneously (d) a mineral oil type softener, or both (d) and (e) silicone oil, through an inlet provided on the cylinder separately from the hopper, thereby dynamically heat treating the resulting mixture in the presence of organic peroxide to prepare a partially crosslinked thermoplastic elastomer composition. Alternatively the mixture of the above-mentioned components (a) and (b), or (a), (b) and (c) are fed through a hopper into a cylinder of an extrusion machine so that the retention time of the mixture in the hopper is within 10 minutes, and feeding simultaneously (d) mineral oil type softener, or both (d) and (e) silicone oil into the hopper, thereby dynamically heat treating the resulting mixture in the presence of organic peroxide to prepare a partially crosslinked thermoplastic elastomer composition.
    • PCT No.PCT / JP90 / 00885 Sec。 371 1990年12月13日第 102(e)1990年12月13日日期PCT提交1990年7月10日PCT公布。 公开号WO91 / 00890 (a)过氧化物交联型烯烃共聚物橡胶,(b)过氧化物分解型烯烃塑料和任选的(c)过氧化物非交联型烃的混合物制备热塑性弹性体组合物。 橡胶状物质通过料斗进入挤出机的圆筒,并同时进料(d)矿物油型柔软剂,或(d)和(e)硅油),通过与料斗分开设置在缸上的入口,从而 在有机过氧化物的存在下动态热处理所得混合物以制备部分交联的热塑性弹性体组合物。 或者,上述组分(a)和(b)或(a),(b)和(c)的混合物通过料斗进料到挤出机的圆筒中,使得混合物的保留时间 料斗在10分钟内,同时进料(d)矿物油型软化剂,或(d)和(e)硅油加入到料斗中,从而在有机过氧化物的存在下动态热处理所得混合物,以制备部分 交联热塑性弹性体组合物。