WO2003037971A3 - Process of producing expanded polypropylene resin beads - Google Patents

Process of producing expanded polypropylene resin beads Download PDF

Info

Publication number
WO2003037971A3
WO2003037971A3 PCT/JP2002/011391 JP0211391W WO03037971A3 WO 2003037971 A3 WO2003037971 A3 WO 2003037971A3 JP 0211391 W JP0211391 W JP 0211391W WO 03037971 A3 WO03037971 A3 WO 03037971A3
Authority
WO
WIPO (PCT)
Prior art keywords
resin beads
polypropylene resin
expanded polypropylene
producing expanded
beads
Prior art date
Application number
PCT/JP2002/011391
Other languages
French (fr)
Other versions
WO2003037971A2 (en
Inventor
Hidehiro Sasaki
Akinobu Hira
Keiichi Hashimoto
Hisao Tokoro
Mitsuru Shinohara
Tomoo Tokiwa
Original Assignee
Jsp Corp
Hidehiro Sasaki
Akinobu Hira
Keiichi Hashimoto
Hisao Tokoro
Mitsuru Shinohara
Tomoo Tokiwa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jsp Corp, Hidehiro Sasaki, Akinobu Hira, Keiichi Hashimoto, Hisao Tokoro, Mitsuru Shinohara, Tomoo Tokiwa filed Critical Jsp Corp
Priority to CA002465664A priority Critical patent/CA2465664A1/en
Priority to MXPA04004175A priority patent/MXPA04004175A/en
Priority to EP02775467A priority patent/EP1448683A2/en
Priority to US10/493,502 priority patent/US7531116B2/en
Priority to AU2002341408A priority patent/AU2002341408A1/en
Publication of WO2003037971A2 publication Critical patent/WO2003037971A2/en
Publication of WO2003037971A3 publication Critical patent/WO2003037971A3/en
Priority to US11/332,342 priority patent/US7560498B2/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • C08J9/224—Surface treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/16—Making expandable particles
    • C08J9/18—Making expandable particles by impregnating polymer particles with the blowing agent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene

Abstract

A process of producing a foamed molding, wherein expanded, substantially non-crosslinked polypropylene-based resin beads are heated in a mold to fuse-bond the beads together into a unitary body. Each of the expanded beads has been surface-modified with an organic peroxide.
PCT/JP2002/011391 2001-11-01 2002-10-31 Process of producing expanded polypropylene resin beads WO2003037971A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA002465664A CA2465664A1 (en) 2001-11-01 2002-10-31 Process of producing expanded polypropylene resin beads
MXPA04004175A MXPA04004175A (en) 2001-11-01 2002-10-31 Process of producing expanded polypropylene resin beads.
EP02775467A EP1448683A2 (en) 2001-11-01 2002-10-31 Process of producing expanded polypropylene resin beads
US10/493,502 US7531116B2 (en) 2001-11-01 2002-10-31 Process of producing foamed molding from expanded polypropylene resin beads
AU2002341408A AU2002341408A1 (en) 2001-11-01 2002-10-31 Process of producing expanded polypropylene resin beads
US11/332,342 US7560498B2 (en) 2001-11-01 2006-01-17 Process of producing foamed molding from expanded polypropylene resin beads and process of producing expanded polypropylene resin beads

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2001-336831 2001-11-01
JP2001336831 2001-11-01
JP2001-401250 2001-12-28
JP2001401250 2001-12-28
JP2002-054693 2002-02-28
JP2002054693 2002-02-28

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US10493502 A-371-Of-International 2002-10-31
US11/332,342 Continuation US7560498B2 (en) 2001-11-01 2006-01-17 Process of producing foamed molding from expanded polypropylene resin beads and process of producing expanded polypropylene resin beads

Publications (2)

Publication Number Publication Date
WO2003037971A2 WO2003037971A2 (en) 2003-05-08
WO2003037971A3 true WO2003037971A3 (en) 2003-09-04

Family

ID=27347772

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/011391 WO2003037971A2 (en) 2001-11-01 2002-10-31 Process of producing expanded polypropylene resin beads

Country Status (9)

Country Link
US (2) US7531116B2 (en)
EP (1) EP1448683A2 (en)
KR (1) KR100881039B1 (en)
CN (1) CN1267482C (en)
AU (1) AU2002341408A1 (en)
CA (1) CA2465664A1 (en)
MX (1) MXPA04004175A (en)
TW (1) TWI255827B (en)
WO (1) WO2003037971A2 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE420796T1 (en) 2002-08-28 2009-01-15 Jsp Corp CORE OF A BUMPER
JP4354209B2 (en) 2003-03-04 2009-10-28 株式会社ジェイエスピー Bumper structure
US7259189B2 (en) * 2003-06-12 2007-08-21 Jsp Corporation Expanded polypropylene resin beads and process for the production thereof
JP5041812B2 (en) 2004-11-22 2012-10-03 株式会社カネカ Polypropylene resin pre-expanded particles and in-mold foam molding
US7588704B2 (en) * 2005-07-26 2009-09-15 Gm Global Technology Operations, Inc. Online control of blowing agent content of polymer beads for making lost foam patterns
JP5107692B2 (en) * 2007-12-17 2012-12-26 株式会社ジェイエスピー Polypropylene-based resin foamed particles and molded article of the foamed particles
KR101615797B1 (en) * 2008-07-11 2016-04-26 데쿠세리아루즈 가부시키가이샤 Anisotropic conductive film
CN102174209B (en) * 2011-01-25 2012-12-26 中国科学院宁波材料技术与工程研究所 Method for preparing controlled degradable polypropylene foamed particles
EP2492077B1 (en) * 2011-02-22 2015-11-18 Bayerische Motoren Werke Aktiengesellschaft Method and device for increasing the polarity of the surface of an EPP moulded part
CN102295807B (en) * 2011-09-05 2013-11-20 浙江俊尔新材料有限公司 Extrusion expanded polypropylene beads and preparation method thereof
JP6170765B2 (en) 2013-07-08 2017-07-26 株式会社ジェイエスピー Method for producing polyolefin resin foam molding with skin
JP6211913B2 (en) 2013-12-11 2017-10-11 株式会社ジェイエスピー Polyolefin resin expanded particles
JP6514576B2 (en) * 2014-07-18 2019-05-15 株式会社ジェイエスピー Method for producing surface material coated foamed particle molded body
KR101857342B1 (en) * 2016-03-22 2018-05-11 주식회사 엘지화학 Method for preparing aromatic vinyl-unsaturated nitrile based copolymer and aromatic vinyl-unsaturated nitrile based copolymer prepared by using the same
JP6788523B2 (en) * 2017-02-28 2020-11-25 株式会社ジェイエスピー Vehicle seat cushion core material
WO2019041216A1 (en) * 2017-08-31 2019-03-07 Dow Global Technologies Llc Process for producing foam beads using a modified ethylene-based polymer
EP3872121A1 (en) * 2020-02-28 2021-09-01 Borealis AG Expanded polypropylene beads, a process for producing expanding polypropylene beads, molded articles formed from expanded polypropylene beads, and a process for forming such molded articles
JP2023024310A (en) * 2021-08-06 2023-02-16 株式会社ジェイエスピー Polypropylene-based resin foam particle and polypropylene-based resin foam particle molding
JP2024033776A (en) * 2022-08-31 2024-03-13 株式会社ジェイエスピー Polypropylene resin foam particles and polypropylene resin foam particle moldings

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0879844A1 (en) * 1997-05-20 1998-11-25 PCD Polymere AG Polyolefin foams with high resistance against deformation by heat
WO2002024794A2 (en) * 2000-09-20 2002-03-28 Jsp Corporation Expanded polypropylene resin bead

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JP3692760B2 (en) * 1998-01-30 2005-09-07 株式会社カネカ Method for producing foamed molded product in polypropylene resin mold
MY114837A (en) * 1998-03-23 2003-01-31 Jsp Corp Foamed and expanded beads of polypropylene resin for molding
DE69903593T2 (en) * 1998-06-11 2003-06-18 Jsp Corp Molded item made of expanded and expanded propylene beads
JP2002067067A (en) * 2000-08-24 2002-03-05 Jsp Corp Method for manufacturing molded body of foamed particles having skin material laminated thereon
US6956067B2 (en) * 2000-09-20 2005-10-18 Jsp Corporation Expanded polypropylene resin bead and process of producing same
US20030124335A1 (en) * 2000-09-20 2003-07-03 Hidehiro Sasaki Expanded polypropylene resin bead and process of producing same
US6838488B2 (en) * 2001-06-11 2005-01-04 Jsp Corporation Production method of foamed polypropylene resin beads
DE60321323D1 (en) * 2002-03-19 2008-07-10 Jsp Corp COMPOUND POLYPROPYLENE SUBSTANCES AND METHOD OF PREPARING THEM
JP4354209B2 (en) * 2003-03-04 2009-10-28 株式会社ジェイエスピー Bumper structure
US7259189B2 (en) * 2003-06-12 2007-08-21 Jsp Corporation Expanded polypropylene resin beads and process for the production thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0879844A1 (en) * 1997-05-20 1998-11-25 PCD Polymere AG Polyolefin foams with high resistance against deformation by heat
WO2002024794A2 (en) * 2000-09-20 2002-03-28 Jsp Corporation Expanded polypropylene resin bead

Also Published As

Publication number Publication date
KR100881039B1 (en) 2009-02-05
US7560498B2 (en) 2009-07-14
WO2003037971A2 (en) 2003-05-08
KR20050042054A (en) 2005-05-04
TW200300151A (en) 2003-05-16
AU2002341408A1 (en) 2003-05-12
TWI255827B (en) 2006-06-01
EP1448683A2 (en) 2004-08-25
US7531116B2 (en) 2009-05-12
CN1612913A (en) 2005-05-04
CA2465664A1 (en) 2003-05-08
MXPA04004175A (en) 2004-09-06
CN1267482C (en) 2006-08-02
US20040256757A1 (en) 2004-12-23
US20060116434A1 (en) 2006-06-01

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