公开(公告)号：US11458710B2

公开(公告)日：2022-10-04

申请号：US17264725

申请日：2019-07-12

Applicant: JSP CORPORATION

Inventor： Shota Takagi ,  Akinobu Hira

IPC: B32B27/08 ,  B32B3/30 ,  B32B7/022 ,  B32B5/22 ,  B32B5/32 ,  B29K23/00

Abstract: A laminated article includes a thermoplastic resin expanded beads molded layer A having a volume Va and a tensile modulus TMa which is 2 to 100 MPa, and a thermoplastic elastomer expanded beads molded layer B having a volume Vb and a tensile modulus TMb which is 0.05 MPa or more and less than 2 MPa, the layers A and B being laminated and bonded to each other. Va:Vb is 90:10 to 50:50 and TMb/TMa is 0.025 or less.

公开(公告)号：US10787555B2

公开(公告)日：2020-09-29

申请号：US16337690

申请日：2017-10-02

Applicant: JSP Corporation

Inventor： Shota Takagi ,  Masaharu Oikawa

IPC: C08J9/22 ,  C08J9/224 ,  C08J9/228 ,  C08J9/232 ,  C08J9/20

Abstract: The present invention is concerned with an expanded beads molded article of expanded beads comprising a crosslinked multi-block copolymer containing a polyethylene block and an ethylene/α-olefin copolymer block, wherein a density is 40 to 150 g/L; a gel fraction by a hot xylene extraction method is 30 to 70% by weight; a tensile elongation is 120% or more; a bead weight of the expanded beads is 0.8 to 8 mg; and the number of expanded beads per unit area on a surface of the expanded beads molded article is 5 to 30 per cm2, and is able to provide an expanded beads molded article which is light in weight and favorable in surface properties, fusion bondability, and durability.

公开(公告)号：US09410025B2

公开(公告)日：2016-08-09

申请号：US14555967

申请日：2014-11-28

Applicant: JSP CORPORATION

Inventor： Shota Takagi ,  Akinobu Hira ,  Kazutoshi Sasaki

IPC: B32B5/16 ,  C08J9/228 ,  B29C44/04 ,  B29C44/34 ,  B29C44/44 ,  C08J9/00 ,  C08J9/16 ,  C08J9/224 ,  C08J9/232

CPC classification number: C08J9/228 ,  B29C44/04 ,  B29C44/3461 ,  B29C44/445 ,  C08J9/0061 ,  C08J9/0066 ,  C08J9/16 ,  C08J9/224 ,  C08J9/232 ,  C08J2323/02 ,  C08J2323/06 ,  C08J2323/14 ,  C08J2323/20 ,  C08J2423/02 ,  C08J2423/26 ,  Y10T428/2998

Abstract: An inorganic filler-containing, polyolefin-based resin expanded bead having an expanded core layer of a first polyolefin-based resin, and a cover layer of a second polyolefin-based resin that covers the expanded core layer, wherein a weight ratio of the cover layer to the expanded core layer is 1:99 to 20:80, the expanded core layer contains an inorganic filler in a weight percentage amount of 5 to 90%, and the cover layer contains no inorganic filler or contains an inorganic filler in a weight percentage amount lower than that in the expanded core layer.

Abstract translation: 1.一种无机填料的聚烯烃类树脂发泡珠，其具有第一聚烯烃系树脂的发泡芯层和覆盖所述发泡芯层的第二聚烯烃系树脂的覆盖层，所述覆盖层的重量比 发泡芯层为1:99〜20:80，发泡芯层含有重量百分比为5〜90％的无机填料，覆盖层不含无机填料或含有重量以下的无机填料 百分比低于膨胀核心层的百分比。