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    Polylactic acid resin expanded beads and molded article of polylactic acid resin expanded beads
    1.
    发明授权
    Polylactic acid resin expanded beads and molded article of polylactic acid resin expanded beads 有权
    聚乳酸树脂发泡珠粒和聚乳酸树脂发泡珠粒的成型品

    公开(公告)号：US09023470B2

    公开(公告)日：2015-05-05

    申请号：US13996202

    申请日：2011-10-21

    申请人： Mitsuru Shinohara ,  Masaharu Oikawa

    发明人： Mitsuru Shinohara ,  Masaharu Oikawa

    IPC分类号： C08G63/06 ,  C08J9/232 ,  C08J9/18

    CPC分类号： C08G63/06 ,  C08J9/18 ,  C08J9/232 ,  C08J2203/04 ,  C08J2203/06 ,  C08J2205/04 ,  C08J2367/04 ,  Y10T428/2982

    摘要： Polylactic acid resin expanded beads exhibiting excellent fusion bonding at the time of in-mold molding have such a crystal structure that gives a first time DSC curve when heated according to heat flux differential scanning calorimetry referenced in JIS K7122(1987) and a second time DSC curve when thereafter cooled and then again heated, the second time DSC curve having a fusion peak having a reference peak temperature and the first time DSC curve having at least one fusion peak with a peak temperature higher than the reference peak temperature and another at least one fusion peak with a peak temperature not lower temperature than the reference peak temperature.

    摘要翻译： 在模内成型时表现出优异熔融粘结性的聚乳酸树脂发泡粒子具有这样的晶体结构，当根据JIS K7122（1987）中引用的热通量差示扫描量热法加热时，得到第一次DSC曲线，第二次DSC 曲线，然后冷却然后再次加热，第二次DSC曲线具有具有参考峰值温度的融合峰，并且第一次DSC曲线具有峰值温度高于参考峰值温度的至少一个融合峰，而另一个至少一个 峰值温度峰值温度不低于参考峰值温度。

    POLYLACTIC ACID RESIN EXPANDED BEADS AND MOLDED ARTICLE OF POLYLACTIC ACID RESIN EXPANDED BEADS
    3.
    发明申请
    POLYLACTIC ACID RESIN EXPANDED BEADS AND MOLDED ARTICLE OF POLYLACTIC ACID RESIN EXPANDED BEADS 有权
    聚酸树脂膨胀珠和多聚酸树脂膨胀珠的成型品

    公开(公告)号：US20130288056A1

    公开(公告)日：2013-10-31

    申请号：US13996202

    申请日：2011-10-21

    申请人： Mitsuru Shinohara ,  Masaharu Oikawa

    发明人： Mitsuru Shinohara ,  Masaharu Oikawa

    IPC分类号： C08G63/06

    CPC分类号： C08G63/06 ,  C08J9/18 ,  C08J9/232 ,  C08J2203/04 ,  C08J2203/06 ,  C08J2205/04 ,  C08J2367/04 ,  Y10T428/2982

    摘要： Polylactic acid resin expanded beads exhibiting excellent fusion bonding at the time of in-mold molding have such a crystal structure that gives a first time DSC curve when heated according to heat flux differential scanning calorimetry referenced in JIS K7122(1987) and a second time DSC curve when thereafter cooled and then again heated, the second time DSC curve having a fusion peak having a reference peak temperature and the first time DSC curve having at least one fusion peak with a peak temperature higher than the reference peak temperature and another at least one fusion peak with a peak temperature not lower temperature than the reference peak temperature.

    摘要翻译： 在模内成型时表现出优异熔融粘结性的聚乳酸树脂发泡粒子具有这样的晶体结构，当根据JIS K7122（1987）中引用的热通量差示扫描量热法加热时，得到第一次DSC曲线，第二次DSC 曲线，然后冷却然后再次加热，第二次DSC曲线具有具有参考峰值温度的融合峰，并且第一次DSC曲线具有峰值温度高于参考峰值温度的至少一个融合峰，而另一个至少一个 峰值温度峰值温度不低于参考峰值温度。

    Polylactic resin expanded beads and molded article of the expanded beads
    6.
    发明授权
    Polylactic resin expanded beads and molded article of the expanded beads 有权
    聚乳酸树脂发泡珠粒和发泡珠粒的成型制品

    公开(公告)号：US09206296B2

    公开(公告)日：2015-12-08

    申请号：US13696856

    申请日：2011-03-24

    申请人： Mitsuru Shinohara ,  Masaharu Oikawa

    发明人： Mitsuru Shinohara ,  Masaharu Oikawa

    IPC分类号： C08G63/08 ,  C08L67/04 ,  B32B27/14 ,  C08J9/12 ,  C08J9/18 ,  C08J9/232 ,  C08J9/16

    CPC分类号： C08J9/122 ,  C08J9/16 ,  C08J9/18 ,  C08J9/232 ,  C08J2205/052 ,  C08J2367/02 ,  Y10T428/2989

    摘要： An expanded bead of a polylactic acid resin, having an exterior surface, a surface region including the entire exterior surface and having a weight of one-sixth to one-fourth the weight of the expanded bead, and a center region located inside the surface region and having a weight of one-fifth to one-third the weight of the expanded bead, wherein the expanded bead, the surface region and the center region, after having been subjected to a pretreatment including a heat treatment at 110° C. for 120 minutes followed by cooling at a cooling speed of 2° C./min, have endothermic calorific values of (Br:endo), (Brs:endo) and (Brc:endo), respectively, when measured by heat flux differential scanning calorimetry at a heating speed of 2° C./min in accordance with JIS K7122 (1987), and wherein (Br:endo) is greater than 25 J/g and (Brs:endo) is smaller than (Brc:endo) and is not smaller than 0 J/g.

    摘要翻译： 具有外表面的聚乳酸树脂的膨胀珠粒，包括整个外表面的表面积，其重量是发泡珠粒重量的六分之一至四分之一，以及位于表面区域内的中心区域 并且具有发泡珠重量的五分之一至三分之一的重量，其中经过包括在110℃热处理的预处理后的发泡珠粒，表面区域和中心区域为120 分钟，然后以2℃/分钟的冷却速度冷却，当通过热通量差示扫描量热法测定时，分别具有（Br：endo），（Brs：endo）和（Brc：endo）的吸热热值 根据JIS K7122（1987）的加热速度为2℃/分钟，其中（Br：endo）大于25J / g，（Brs：endo）小于（Brc：endo），并且不是 小于0J / g。

    POLYLACTIC RESIN EXPANDED BEADS AND MOLDED ARTICLE OF THE EXPANDED BEADS
    8.
    发明申请
    POLYLACTIC RESIN EXPANDED BEADS AND MOLDED ARTICLE OF THE EXPANDED BEADS 有权
    POLYLACTIC树脂膨胀珠和成型品的膨胀珠

    公开(公告)号：US20130059154A1

    公开(公告)日：2013-03-07

    申请号：US13696856

    申请日：2011-03-24

    申请人： Mitsuru Shinohara ,  Masaharu Oikawa

    发明人： Mitsuru Shinohara ,  Masaharu Oikawa

    IPC分类号： C08G63/08 ,  C08L67/04 ,  B32B27/14

    CPC分类号： C08J9/122 ,  C08J9/16 ,  C08J9/18 ,  C08J9/232 ,  C08J2205/052 ,  C08J2367/02 ,  Y10T428/2989

    摘要： An expanded bead of a polylactic acid resin, having an exterior surface, a surface region including the entire exterior surface and having a weight of one-sixth to one-fourth the weight of the expanded bead, and a center region located inside the surface region and having a weight of one-fifth to one-third the weight of the expanded bead, wherein the expanded bead, the surface region and the center region, after having been subjected to a pretreatment including a heat treatment at 110° C. for 120 minutes followed by cooling at a cooling speed of 2° C./min, have endothermic calorific values of (Br:endo), (Brs:endo) and (Brc:endo), respectively, when measured by heat flux differential scanning calorimetry at a heating speed of 2° C./min in accordance with JIS K7122(1987), and wherein (Br:endo) is greater than 25 J/g and (Brs:endo) is smaller than (Brc:endo) and is not smaller than 0 J/g.

    摘要翻译： 具有外表面的聚乳酸树脂的膨胀珠粒，包括整个外表面的表面积，其重量是发泡珠粒重量的六分之一至四分之一，以及位于表面区域内的中心区域 并且具有发泡珠重量的五分之一至三分之一的重量，其中经过包括在110℃热处理的预处理后的发泡珠粒，表面区域和中心区域为120 分钟，然后以2℃/分钟的冷却速度冷却，当通过热通量差示扫描量热法测定时，分别具有（Br：endo），（Brs：endo）和（Brc：endo）的吸热热值 根据JIS K7122（1987）的加热速度为2℃/分钟，其中（Br：endo）大于25J / g，（Brs：endo）小于（Brc：endo），并且不是 小于0J / g。

    Foamed polyolefin resin beads
    9.
    发明申请
    Foamed polyolefin resin beads 审中-公开
    发泡聚烯烃树脂珠

    公开(公告)号：US20090169895A1

    公开(公告)日：2009-07-02

    申请号：US12292925

    申请日：2008-12-01

    申请人： Tokunobu Nohara ,  Mitsuru Shinohara ,  Masaharu Oikawa

    发明人： Tokunobu Nohara ,  Mitsuru Shinohara ,  Masaharu Oikawa

    IPC分类号： B32B27/32

    CPC分类号： C08J9/18 ,  B29C2948/92676 ,  B29C2948/92704 ,  B29C2948/92923 ,  C08J9/0061 ,  C08J2323/02 ,  C08J2423/00 ,  Y10T428/2991 ,  Y10T428/2993 ,  Y10T428/2995 ,  Y10T428/2996 ,  Y10T428/2998

    摘要： The present invention relates to foamed polyolefin resin beads. Further, the present invention provides foamed resin beads obtained by foaming and expanding composite resin beads which include a core layer constituted by a polyolefin resin and a covering layer which covers the core layer constituted by a polyolefin resin, wherein (a) the polyolefin resin constituting the core layer is a crystalline polyolefin resin, (b) the polyolefin resin constituting the covering layer is a crystalline polyolefin resin which has a lower melting point (B) than a melting point (A) of the polyolefin resin constituting the core layer, wherein a temperature difference [(A)−(B)] between the melting point (B) and the melting point (A) is more than 0° C. and 80° C. or less, or a noncrystalline polyolefin resin which has a softening point (C) lower than the melting point (A) of the polyolefin resin constituting the core layer, wherein a temperature difference [(A)−(C)] between the softening point (C) and the melting point (A) is more than 0° C. and 100° C. or less, and 10% by weight or more and less than 50% by weight of polymer type antistatic agent is contained in the covering layer. The foamed polyolefin resin beads of the present invention provide foamed polyolefin resin beads are excellent in fusion properties between beads at the time of molding in a mold, capable of providing a molded foamed article which is excellent antistatic performance, has no deterioration of the antistatic performance with age, whose antistatic performance is not humidity dependent, does not contaminate packaging products, has a good molded foamed article surface, and has excellent mechanical properties.

    摘要翻译： 本发明涉及泡沫聚烯烃树脂珠粒。 此外，本发明提供了通过发泡和膨胀复合树脂珠而获得的发泡树脂珠，其包括由聚烯烃树脂构成的芯层和覆盖由聚烯烃树脂构成的芯层的覆盖层，其中（a）构成的聚烯烃树脂 核心层是结晶聚烯烃树脂，（b）构成覆盖层的聚烯烃树脂是具有比构成芯层的聚烯烃树脂的熔点（A）低的熔点（B）的结晶聚烯烃树脂，其中 熔点（B）和熔点（A）之间的温差[（A） - （B）]大于0℃和80℃以下，或者具有软化的非结晶性聚烯烃树脂 （C）低于构成芯层的聚烯烃树脂的熔点（A），其中软化点（C）和熔点（A）之间的温差[（A） - （C）]更多 超过0℃和100℃或更低，a 在覆盖层中含有10重量％以上且小于50重量％的聚合物型抗静电剂。 本发明的发泡聚烯烃树脂珠提供发泡聚烯烃树脂珠在模具中成型时的珠粒之间的熔融性能优异，能够提供抗静电性能优异的成型发泡制品，抗静电性能没有劣化 随着年龄的增长，其抗静电性能不依赖于湿度，不会污染包装产品，具有良好的模制发泡制品表面，并且具有优异的机械性能。

    POLYVINYLIDENE FLUORIDE RESIN EXPANDED BEADS, AND MOLDED ARTICLES OF POLYVINYLIDENE FLUORIDE RESIN EXPANDED BEADS
    10.
    发明申请
    POLYVINYLIDENE FLUORIDE RESIN EXPANDED BEADS, AND MOLDED ARTICLES OF POLYVINYLIDENE FLUORIDE RESIN EXPANDED BEADS 有权
    聚偏二氟乙烯树脂膨胀珠和聚氯乙烯氟树脂膨胀珠的成型品

    公开(公告)号：US20110319512A1

    公开(公告)日：2011-12-29

    申请号：US13255213

    申请日：2010-03-05

    申请人： Masakazu Sakaguchi ,  Kouki Nishijima ,  Masaharu Oikawa

    发明人： Masakazu Sakaguchi ,  Kouki Nishijima ,  Masaharu Oikawa

    IPC分类号： C08F214/28 ,  C08F214/26

    CPC分类号： C08J9/122 ,  C08J9/18 ,  C08J9/232 ,  C08J2203/06 ,  C08J2327/16

    摘要： Provided are polyvinylidene fluoride resin expanded beads which can be molded by in-mold molding and thus stably provide, without impairing excellent characteristics inherent in polyvinylidene fluoride resin, molded articles having excellent mechanical properties. Polyvinylidene fluoride resin expanded beads, characterized in that when 1 to 3 mg of the expanded beads are subjected to heat-flux type differential scanning calorimetry (DSC) wherein the beads are heated from 25° C. to 200° C. at a temperature rise rate of 10° C./min, the obtained DSC curve (of first heating) has both an inherent endothermic peak which is inherent in polyvinylidene fluoride resin and one or more higher-temperature endothermic peaks which appear on the higher-temperature side of the inherent endothermic peak, the quantity of heat of melting of the higher-temperature endothermic peaks being at least 0.5 J/g.

    摘要翻译： 本发明提供可通过模内成型而成型的聚偏二氟乙烯树脂发泡珠粒，从而稳定地提供聚偏二氟乙烯树脂固有的优异特性，而且具有优异的机械性能。 聚偏二氟乙烯树脂发泡珠粒，其特征在于当1〜3mg的发泡珠粒经受热通量型差示扫描量热法（DSC）时，其中珠子在升温时从25℃加热至200℃ 得到的DSC曲线（第一次加热）具有聚偏二氟乙烯树脂固有的固有吸热峰和出现在高温侧的一个或多个较高温度的吸热峰 固有吸热峰，高温吸热峰的熔化热量至少为0.5J / g。