公开(公告)号：US10106664B2

公开(公告)日：2018-10-23

申请号：US15580308

申请日：2016-06-03

Applicant: JSP CORPORATION

Inventor： Takuya Chiba ,  Masaharu Oikawa

IPC: B29B9/06 ,  C08J9/16 ,  B32B5/18 ,  B32B27/18 ,  C08J9/22 ,  B29C44/02 ,  B29C44/34 ,  C08J9/228

Abstract: Thermoplastic resin foamed particles of the present invention including more than one functional additive selected from inorganic powder and inorganic fibers each includes a core layer formed of a thermoplastic resin and a coating layer in a foamed state formed of a thermoplastic resin, the mass ratio of the coating layer to the core layer is 99:1 to 50:50, the content (X) of the functional additive in the core layer is 5 to 90% by mass, and the content of the functional additive in the coating layer is smaller than the content (X) of the functional additive in the core layer. By this way, thermoplastic resin foamed particles from which a homogeneous foamed particle molding having excellent dimension stability, fusibility and appearance can be obtained while containing functional additive are provided.

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。

公开(公告)号：US09230710B2

公开(公告)日：2016-01-05

申请号：US14381467

申请日：2013-02-08

Applicant: JSP CORPORATION

Inventor： Takuya Chiba ,  Masaharu Oikawa ,  Mitsuru Shinohara

IPC: H01B1/06 ,  H01B1/24 ,  C08J9/224 ,  B29B9/06 ,  B29K23/00 ,  B29K105/04 ,  B29K507/04

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。

公开(公告)号：US09449735B2

公开(公告)日：2016-09-20

申请号：US14047584

申请日：2013-10-07

Applicant: JSP CORPORATION

Inventor： Takuya Chiba ,  Masaharu Oikawa ,  Mitsuru Shinohara

IPC: H01B1/06 ,  H01B1/24 ,  C08J9/00 ,  C08J9/12 ,  C08J9/18 ,  C08J9/232 ,  C08J9/34

CPC classification number: H01B1/24 ,  C08J9/0061 ,  C08J9/008 ,  C08J9/122 ,  C08J9/18 ,  C08J9/232 ,  C08J9/34 ,  C08J2201/034 ,  C08J2203/06 ,  C08J2205/052 ,  C08J2323/10 ,  C08J2423/04 ,  C08J2453/00

Abstract: An electrostatic dissipating molded article having a surface resistivity of 1×105 to 1×1010Ω and obtained by in-mold molding of multi-layered polyolefin-based resin expanded beads each having an polyolefin-based resin expanded core layer and a polyolefin-based resin cover layer which covers the polyolefin-based resin expanded core layer and which is formed from a polyolefin-based resin (A), a polymeric antistatic agent (B) of a block copolymer of a polyether block and a polyolefin block, and an electrically conductive carbon black (C), the components (A) to (C) being present in a specific proportion.

Abstract translation: 一种表面电阻率为1×10 5〜1×10 10Ω的静电消散模制品，其通过模内成型多层聚烯烃类树脂发泡珠而得到，所述多层聚烯烃类树脂发泡珠均具有聚烯烃类树脂发泡芯层和聚烯烃系树脂 覆盖聚烯烃类树脂发泡芯层的覆盖层，其由聚烯烃类树脂（A），聚醚嵌段和聚烯烃嵌段的嵌段共聚物的聚合抗静电剂（B）和导电性 炭黑（C），成分（A）〜（C）以比例存在。

公开(公告)号：USRE48098E1

公开(公告)日：2020-07-14

申请号：US16263547

申请日：2019-01-31

Applicant: JSP CORPORATION

Inventor： Takuya Chiba ,  Masaharu Oikawa

IPC: C08J9/16 ,  B29B9/06 ,  B29C44/02 ,  B29C44/34 ,  C08J9/00 ,  C08J9/12 ,  C08J9/228 ,  C08J9/232 ,  B32B5/18 ,  B32B27/18 ,  C08J9/18 ,  C08J9/22 ,  B29K105/12 ,  B29K509/00

Abstract: Thermoplastic resin foamed particles of the present invention including more than one or more functional additive selected from inorganic powder and inorganic fibers each includes a core layer formed of a thermoplastic resin and a coating layer in a foamed state formed of a thermoplastic resin, the mass ratio of the coating layer to the core layer is 99:1 to 50:50, the content (X) of the functional additive in the core layer is 5 to 90% by mass, and the content of the functional additive in the coating layer is smaller than the content (X) of the functional additive in the core layer. By this way, thermoplastic resin foamed particles from which a homogeneous foamed particle molding having excellent dimension stability, fusibility and appearance can be obtained while containing functional additive are provided.

公开(公告)号：US20150001451A1

公开(公告)日：2015-01-01

申请号：US14365406

申请日：2012-12-06

Applicant: JSP CORPORATION

Inventor： Takuya Chiba ,  Masaharu Oikawa ,  Mitsuru Shinohara

IPC: H01B1/24 ,  B29C44/00 ,  B29B7/00

CPC classification number: H01B1/24 ,  B29B7/002 ,  B29C44/005 ,  B29K2023/0625 ,  B29K2023/065 ,  B29K2023/12 ,  B29K2105/0002 ,  B29K2105/0023 ,  B29K2105/046 ,  B29K2995/0013 ,  C08J9/0061 ,  C08J9/0066 ,  C08J9/122 ,  C08J9/16 ,  C08J9/18 ,  C08J9/232 ,  C08J2201/034 ,  C08J2203/06 ,  C08J2323/12 ,  C08J2323/14 ,  C08J2423/06 ,  C08J2423/08 ,  C08K3/04 ,  C08L23/04 ,  C08L23/10 ,  H01R13/6485 ,  C08L23/06 ,  C08L23/0807

Abstract: An electrostatic dissipative, polypropylene-based resin expanded bead containing electrically conductive carbon black, having an apparent density of 10 to 120 kg/m3 and formed of a base resin which includes a polypropylene resin forming a continuous phase, and a polyethylene resin forming dispersed phases dispersed in the continuous phase, with the carbon black being unevenly distributed to the dispersed phases side. The polyethylene resin is an ethylene homopolymer or a copolymer of ethylene and C4 to C6 α-olefin and a weight ratio of the polypropylene resin to the polyethylene resin is 99.5:0.5 to 65:35. A molded article obtained by in-mold molding of such expanded beads exhibits electrostatic dissipative properties with a surface resistivity in the range of 1×105 to 1×1010Ω in a stable manner.

Abstract translation: 含有导电性炭黑的静电耗散性聚丙烯系树脂发泡珠，其表观密度为10〜120kg / m 3，由包含形成连续相的聚丙烯树脂的基础树脂形成，形成分散相的聚乙烯树脂 分散在连续相中，炭黑不均匀地分布在分散相侧。 聚乙烯树脂是乙烯均聚物或乙烯与C 4〜C 6α-烯烃的共聚物，聚丙烯树脂与聚乙烯树脂的重量比为99.5:0.5〜65:35。 通过这种发泡珠的模内成型获得的模制品表现出静电耗散性，表面电阻率在1×105〜1×1010＆OHgr的范围内。 以稳定的方式。