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    PROCESS FOR PRODUCING POLYLACTIC ACID-BASED RESIN EXPANDED BEADS
    12.
    发明申请
    PROCESS FOR PRODUCING POLYLACTIC ACID-BASED RESIN EXPANDED BEADS 审中-公开
    生产聚氨酯树脂膨胀珠的方法

    公开(公告)号：US20140336289A1

    公开(公告)日：2014-11-13

    申请号：US14347276

    申请日：2012-09-21

    Applicant: JSP CORPORATION

    Inventor： Mitsuru Shinohara ,  Masaharu Oikawa

    IPC: C08J9/18

    CPC classification number: C08J9/18 ,  C08J9/12 ,  C08J9/232 ,  C08J2300/16 ,  C08J2367/04

    Abstract: A process for producing polylactic acid-based resin expanded beads comprises releasing foamable resin particles, which are in a softened state and dispersed in a dispersing medium contained in a pressure resisting closed vessel, to an atmosphere having a pressure lower than that in the closed vessel together with the dispersing medium to foam and expand the foamable particles. The foamable resin particles are obtained by impregnating a physical blowing agent into resin particles which are formed of a modified polylactic acid resin modified with an epoxide and showing specific physical properties when melted.

    Abstract translation: 制备聚乳酸类树脂发泡珠的方法包括将处于软化状态并分散在包含在耐压密闭容器中的分散介质中的发泡性树脂颗粒释放到低于密闭容器中的压力的​​气氛 与分散介质一起发泡并膨胀可发泡颗粒。 可发泡树脂颗粒通过将物理发泡剂浸渍到由环氧化物改性的改性聚乳酸​​树脂形成并在熔融时显示特定物理性质的树脂颗粒中而获得。

    Foam particles, and moulded article thereof
    14.
    发明授权
    Foam particles, and moulded article thereof 有权

    公开(公告)号：US11466137B2

    公开(公告)日：2022-10-11

    申请号：US16348108

    申请日：2017-11-07

    Applicant: JSP Corporation

    Inventor： Shota Takagi ,  Masaharu Oikawa

    IPC: C08J9/228 ,  C08J9/18 ,  C08K3/04 ,  C08K5/3417 ,  C08J9/16

    Abstract: The present invention is concerned with expanded beads that are olefin-based thermoplastic elastomer expanded beads containing a coloring agent, wherein an apparent density of the expanded beads is 40 to 300 g/L, and an average surface layer membrane thickness (a) is 3 to 25 μm, and a molded article thereof, and is able to provide expanded beads capable of producing an expanded beads molded article which is excellent in in-mold moldability and excellent in tensile characteristics and an expanded beads molded article using the expanded beads.

    Propylene resin foam particles and foam particle molded article
    16.
    发明授权
    Propylene resin foam particles and foam particle molded article 有权

    公开(公告)号：US10336880B2

    公开(公告)日：2019-07-02

    申请号：US15542261

    申请日：2015-01-09

    Applicant: JSP Corporation

    Inventor： Masaharu Oikawa ,  Nobumasa Koshita ,  Syouta Takagi

    IPC: C08J9/16 ,  C08J9/22 ,  C08J9/228 ,  C08J9/00 ,  C08J9/12 ,  C08J9/232 ,  C08L23/16

    Abstract: Provided is an expanded propylene resin bead including a core layer in a foamed state, which includes a propylene-based resin composition (a) satisfying the following (i) and (ii); and a cover layer which includes an olefin-based resin (b) satisfying the following (iii) or (iv): (i) the propylene-based resin composition (a) is a mixture of 65% by weight to 98% by weight of a propylene-based resin (a1) having a melting point of 145° C. to 165° C. and a flexural modulus of 1,200 MPa or more and 35% by weight to 2% by weight of a propylene-based resin (a2) having a melting point of 100° C. to 145° C. and a flexural modulus of 800 MPa to 1,200 MPa; (ii) a difference in a melting point between the resin (a1) and the resin (a2) is 5° C. to 25° C.; (iii) the olefin-based resin (b) is a crystalline olefin-based resin having a melting point (TmB) that is lower than a melting point (TmA) of the composition (a) and being in a relation of (0° C.

    POLYOLEFIN RESIN FOAM PARTICLES, FOAM-PARTICLE MOULDED BODY, AND COMPOSITE STACKED BODY INCLUDING SAID MOULDED BODY
    17.
    发明申请
    POLYOLEFIN RESIN FOAM PARTICLES, FOAM-PARTICLE MOULDED BODY, AND COMPOSITE STACKED BODY INCLUDING SAID MOULDED BODY 审中-公开
    聚烯烃树脂泡沫颗粒，泡沫塑料体，以及复合层压体，包括模压体

    公开(公告)号：US20170009038A1

    公开(公告)日：2017-01-12

    申请号：US14914598

    申请日：2015-03-20

    Applicant: JSP Corporation

    Inventor： Mitsuru Shinohara ,  Masaharu Oikawa

    IPC: C08J9/18 ,  C08J9/00

    CPC classification number: C08J9/18 ,  C08J9/0061 ,  C08J9/122 ,  C08J9/16 ,  C08J9/232 ,  C08J2203/06 ,  C08J2205/052 ,  C08J2323/14 ,  C08J2323/16 ,  C08J2400/16 ,  C08J2409/06 ,  C08J2423/14 ,  C08J2423/16 ,  C08J2453/02 ,  C08J2467/00 ,  C08J2467/04

    Abstract: The present invention relates to polyolefin resin expanded beads containing multi-layer expanded beads containing a core layer in a foamed state containing a polyolefin resin and a cover layer coated on the core layer, the cover layer containing a mixed resin of a polyolefin resin (A) and at least one resin (B) selected from a polystyrene resin and a polyester resin, and the mixed resin having a weight ratio (A/B) of the polyolefin resin (A) and the resin (B) of from 15/85 to 90/10, and a composite laminated body using an expanded beads molded body thereof, and the expanded beads molded body is excellent in solvent resistance and also excellent in adhesiveness to a thermosetting resin on the surface of the molded body, and can provide a composite laminated body excellent in productivity with a thermosetting resin.

    Abstract translation: 本发明涉及含有多层发泡珠粒的聚烯烃树脂发泡珠，该多层发泡珠含有包含聚烯烃树脂的发泡状态的核心层和涂覆在芯层上的覆盖层，该覆盖层含有聚烯烃树脂（A ）和至少一种选自聚苯乙烯树脂和聚酯树脂的树脂（B），聚烯烃树脂（A）和树脂（B）的重量比（A / B）为15/85 90/10以及使用其发泡珠粒成型体的复合层压体，发泡珠成型体的耐溶剂性优异，且与成型体的表面的热固性树脂的粘合性优异，可以提供 复合层叠体，其热固性树脂的生产率优异。

    POLYPROPYLENE-BASED RESIN EXPANDED BEADS, AND POLYPROPYLENE-BASED RESIN EXPANDED BEADS MOLDED ARTICLE
    18.
    发明申请
    POLYPROPYLENE-BASED RESIN EXPANDED BEADS, AND POLYPROPYLENE-BASED RESIN EXPANDED BEADS MOLDED ARTICLE 有权
    基于聚丙烯的树脂膨胀珠和基于聚丙烯的树脂膨胀珠成型品

    公开(公告)号：US20150102269A1

    公开(公告)日：2015-04-16

    申请号：US14381467

    申请日：2013-02-08

    Applicant: JSP CORPORATION

    Inventor： Takuya Chiba ,  Masaharu Oikawa ,  Mitsuru Shinohara

    IPC: H01B1/24 ,  B29B9/06

    CPC classification number: H01B1/24 ,  B29B9/06 ,  B29K2023/06 ,  B29K2023/12 ,  B29K2105/04 ,  B29K2507/04 ,  B29K2995/0005 ,  C08J9/224 ,  C08J2201/038 ,  C08J2323/12 ,  C08J2423/06

    Abstract: An electrostatic dissipative, polypropylene-based resin expanded bead having an expanded core layer of a polypropylene-based resin, and a cover layer that covers the expanded core layer and that is composed of a mixed resin containing electrically conductive carbon black, wherein the mixed resin includes a polypropylene resin which forms a continuous phase and a polyethylene resin which forms dispersed phases dispersed in the continuous phase, with the electrically conductive carbon black being unevenly distributed to the dispersed phases side. In-mold molding of the expanded beads gave a molded article.

    Abstract translation: 一种具有聚丙烯类树脂发泡芯层的静电耗散型聚丙烯系树脂发泡珠，覆盖该发泡芯层并由含有导电性炭黑的混合树脂构成的覆盖层，其中，混合树脂 包括形成连续相的聚丙烯树脂和形成分散在连续相中的分散相的聚乙烯树脂，导电炭黑不均匀地分布在分散相侧。 发泡珠的模内成型得到模塑制品。

    POLYLACTIC ACID-BASED RESIN EXPANDED BEADS AND MOLDED ARTICLE THEREOF
    19.
    发明申请
    POLYLACTIC ACID-BASED RESIN EXPANDED BEADS AND MOLDED ARTICLE THEREOF 审中-公开
    基于聚氨酯的树脂膨胀珠及其成型品

    公开(公告)号：US20140235741A1

    公开(公告)日：2014-08-21

    申请号：US14347140

    申请日：2012-08-30

    Applicant: JSP CORPORATION

    Inventor： Mitsuru Shinohara ,  Masaharu Oikawa

    IPC: C08G63/08

    CPC classification number: C08J9/12 ,  C08G63/08 ,  C08J9/122 ,  C08J9/18 ,  C08J9/232 ,  C08J2300/16 ,  C08J2333/02 ,  C08J2367/04

    Abstract: Polylactic acid-based resin expanded beads of the present invention are obtained by releasing a softened, pressurized foamable resin composition, which comprises a polylactic acid-based resin and a physical blowing agent, to a low pressure atmosphere to foam and expand the resin composition, wherein the polylactic acid-based resin satisfies the conditions (1) to (3) shown below, and exhibits excellent secondary expansion properties and fusion bonding properties. A polylactic acid-based resin expanded beads molded article obtained by in-mold molding of the polylactic acid-based resin expanded beads exhibits excellent mechanical properties. MT≦30 mN  (1) log MT≦0.93 log η−1.75  (2) CT1/2≧600 sec  (3) where MT represents a melt tension [mN] at 190° C., η represents a melt viscosity [Pa·s] at 190° C. and a shear speed of 20 sec−1, and CT1/2 represents a half crystallization time [sec] at 110° C.

    Abstract translation: 本发明的聚乳酸类树脂发泡珠粒通过将含有聚乳酸类树脂和物理发泡剂的软化的加压发泡树脂组合物释放到低压气氛中以使树脂组合物发泡和膨胀而获得， 其中所述聚乳酸类树脂满足下述条件（1）至（3），并且显示出优异的二次膨胀性和熔融粘合性。 通过聚乳酸类树脂发泡粒子的模内成型得到的聚乳酸类树脂发泡粒子成型体的机械特性优异。 MT＆nlE; 30mN（1）log MT＆nlE; 0.93log＆eegr; -1.75（2）CT1 /2≥600秒（3）其中MT表示在190℃下的熔体张力[mN] 表示190℃下的熔融粘度[Pa·s]，剪切速度为20秒-1，CT1 / 2表示110℃下的半结晶时间[秒]。

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