公开(公告)号：AT553149T

公开(公告)日：2012-04-15

申请号：AT08752701

申请日：2008-05-14

Applicant: JSP CORP

Inventor： SASAKI HIDEHIRO ,  OIKAWA MASAHARU ,  NOHARA TOKUNOBU

IPC: C08J9/18 ,  C08F10/06 ,  C08J9/00 ,  C08J9/12 ,  C08J9/232

Abstract: A polypropylene resin foamed bead from which a foamed bead molded article excelling in appearance, heat resistance and mechanical properties can be obtained at the molding temperature lower than that for conventional polypropylene resin foamed beads; and a foamed bead molded article obtained by molding the same. The polypropylene resin foamed bead is characterized by having such a crystal structure that in the first DSC curve obtained when the temperature of the foamed bead sample is raised from ordinary temperature to 200°C at a temperature rising rate of 2°C/min by a differential scanning calorimetry, there appear a main endothermic peak of 100° to 140°C endothermic peak apex temperature exhibiting 70 to 95% endothermic peak calorific value based on the total endothermic peak calorific value and two or more endothermic peaks exhibited on the high temperature side with respect to the main endothermic peak.

公开(公告)号：AT513004T

公开(公告)日：2011-07-15

申请号：AT05023248

申请日：2005-10-25

Applicant: JSP CORP

Inventor： TAKASE KENICHI ,  OKUDA MASAYASU ,  NAITO MASATO

IPC: C08J9/12 ,  B29C44/04 ,  B29C44/08 ,  B29C49/04 ,  C08L67/04

公开(公告)号：AT500945T

公开(公告)日：2011-03-15

申请号：AT08021413

申请日：2008-12-10

Applicant: JSP CORP

Inventor： OIKAWA MASAHARU ,  NOHARA TOKUNOBU

IPC: B29C44/00

Abstract: Expanded polypropylene resin beads having a melting point of not less than 120°C but less than 140°C, the melting point being determined from a DSC curve obtained by heat flux differential scanning calorimetry in accordance with JIS K7121-1987 in which a sample of 1 to 3 mg of the expanded polypropylene resin beads is heated to 200°C at a heating rate of 10°C/minute, then cooled to 30°C at a rate of 10°C/minute, and again heated from 30°C to 200°C at a heating rate of 10°C/minute to obtain the DSC curve. The expanded polypropylene resin beads has an apparent density Á 1 before heating and an apparent density Á 2 after being heated for 10 seconds with steam at a temperature higher by 5°C than the melting point thereof, wherein a ratio of Á 1 to Á 2 is not greater than 1.5.

公开(公告)号：DE602006018698D1

公开(公告)日：2011-01-20

申请号：DE602006018698

申请日：2006-12-16

Applicant: JSP CORP ,  NISSAN MOTOR

Inventor： SHIOYA SATORU ,  HASHIMOTO KEIICHI ,  YONEYAMA YASUHIKO ,  TANIGUCHI MASANORI ,  HARIYA TOSHIYUKI

IPC: B60R19/18

公开(公告)号：CA2421888C

公开(公告)日：2010-06-29

申请号：CA2421888

申请日：2001-09-20

Applicant: JSP CORP

Inventor： SASAKI HIDEHIRO ,  HIRA AKINOBU ,  HASHIMOTO KEIICHI ,  TOKORO HISAO

IPC: C08J9/18 ,  C08J9/224 ,  C08L23/10 ,  C08L23/12

Abstract: Expanded, substantially non-crosslinked polypropylene resin beads capable of producing a high rididity foamed molding at a relatively low temperature. The beads are produced by a process including a step of dispersing substantially non-crosslinked polypropylene resin particles in a dispersing medium containing an organic peroxide to obtain a dispersion, a step of heating the dispersion to decompose the organic peroxide and to modify the surface of the surface-modified polypropylene resin particles, and a step of expanding the non-crosslinked, surface-modified polypropylene resin particles using a blowing agent.

公开(公告)号：ES2321343T3

公开(公告)日：2009-06-04

申请号：ES07008384

申请日：2007-04-25

Applicant: JSP CORP

Inventor： HARAGUCHI KENJI

IPC: C08J9/00 ,  C08J9/14 ,  C08J9/18 ,  C08J9/20 ,  C08J9/32 ,  C08J9/33

Abstract: Perlas expandidas de resina acrílica en las cuales una resina acrílica sirve como una resina base, en la que las superficies de las perlas tienen nervaduras continuas en un diseño reticulado.

公开(公告)号：AT423160T

公开(公告)日：2009-03-15

申请号：AT03723275

申请日：2003-05-08

Applicant: JSP CORP

Inventor： WADA TORU

IPC: C08J9/16 ,  B60R19/18 ,  B60R19/22 ,  C08J9/22 ,  C08L23/08 ,  C08L23/10 ,  C08L23/12 ,  C08L23/14

Abstract: A specific relationship must be satisfied in case of: (a) a structural unit containing 100 to 85 mole % derived from propylene and 0 to 15 mole % derived from ethylene and/or alpha-olefin having 4 to 20 carbons; (b) the content of position irregularity units formed by 2, 1-insertions of propylene monomer units with respect to all propylene insertions is 0.5% to 2.0% as measured by 13C-NMR and the content of position irregularity units formed by 1,3-insertions of propylene monomer units with respect to all propylene insertions is 0.005% to 0.4% as measured by 13C-NMR; and (c) the water vapor transmission rate, which is Y Äg/m /24 hrÜ as a film, and the melting point TmÄ DEG CÜ exhibit a specific relationship.

公开(公告)号：AT422518T

公开(公告)日：2009-02-15

申请号：AT07008384

申请日：2007-04-25

Applicant: JSP CORP

Inventor： HARAGUCHI KENJI

IPC: C08J9/00 ,  C08J9/14 ,  C08J9/18 ,  C08J9/20 ,  C08J9/32 ,  C08J9/33

Abstract: The present invention is to solve conventional problems, namely, that when an attempt is made to obtain a thick, in-mold foamed molded article with excellent fusibility between beads formed from an acrylic resin expanded beads, cooling takes an extremely long time and production efficiency is poor, and to provide acrylic resin expanded beads with which an in-mold foamed molded article with excellent fusibility between expanded beads can be manufactured in a short cooling time even with a thick foamed molded article such as a block foamed molded article, and the molding cycle can be improved. The acrylic resin expanded beads of the present invention are expanded beads in which an acrylic resin serves as a base resin, and the bead surfaces have continuous ridges in a mesh pattern.

公开(公告)号：AT420796T

公开(公告)日：2009-01-15

申请号：AT03019038

申请日：2003-08-22

Applicant: JSP CORP

Inventor： MURATA SEISHIRO ,  SHIOYA SATORU ,  FUKUDA MASAYUKI

IPC: B60R19/03 ,  B60R19/22 ,  B60R19/18 ,  B60R21/34

Abstract: An elongated bumper core of a polyolefin-based resin-containing foam having a density of 0.045-0.2 g/cm 3 and showing a compressive load of F 20 at 20 % strain, a compressive load of F 40 at 40 % strain and a compressive load of F 60 at 60 % strain when compressed by a rigid pipe having an outer diameter of 70 mm at a compression speed of 500 mm/minute, wherein the ratio F 20 /F 40 is in the range of 0.6-1.3 and the ratio F 60 /F 40 is in the range of 0.75-1.3.

公开(公告)号：DE602004006327T2

公开(公告)日：2008-01-10

申请号：DE602004006327

申请日：2004-03-03

Applicant: JSP CORP

Inventor： MURATA SEISHIRO ,  SHIOYA SATORU ,  FUKUDA MASAYUKI

IPC: B60R19/22 ,  B60R19/03 ,  B60R19/18

Abstract: A bumper structure useful for attachment to a front of a vehicle, including an elongated bumper beam (2) having a front face (21) provided with at least one rearwardly depressed portion (4) extending lengthwise of the bumper beam, a compressable energy absorbing foam material (3) extending lengthwise of the bumper beam, and a bumper fascia (1) covering the foam material. The material has a first portion received in the depressed portion and a second portion protruded forwardly from the front face of the bumper beam such that the second portion is compressed in the depressed portion upon receipt of a collision impact.