WO2009051035A1 - ポリプロピレン系樹脂予備発泡粒子および該予備発泡粒子から得られる型内発泡成形体 - Google Patents

ポリプロピレン系樹脂予備発泡粒子および該予備発泡粒子から得られる型内発泡成形体 Download PDF

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Publication number
WO2009051035A1
WO2009051035A1 PCT/JP2008/068210 JP2008068210W WO2009051035A1 WO 2009051035 A1 WO2009051035 A1 WO 2009051035A1 JP 2008068210 W JP2008068210 W JP 2008068210W WO 2009051035 A1 WO2009051035 A1 WO 2009051035A1
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WO
WIPO (PCT)
Prior art keywords
expanded
polypropylene resin
molded article
resin particle
particle
Prior art date
Application number
PCT/JP2008/068210
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English (en)
French (fr)
Inventor
Tetsuya Shibata
Shintaro Miura
Original Assignee
Kaneka Corporation
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 Kaneka Corporation filed Critical Kaneka Corporation
Priority to JP2009538056A priority Critical patent/JP5587605B2/ja
Publication of WO2009051035A1 publication Critical patent/WO2009051035A1/ja

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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
    • C08J9/16—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

　薄肉形状を有するような型内発泡成形体を得ようとする際でも、幅広い成形条件で良好な表面性と、寸法性を容易に達成しうる型内発泡成形用ポリオレフィン系樹脂予備発泡粒子の製造方法を提供すること。メルトインデックスが３ｇ／１０ｍｉｎ以上２０ｇ／１０ｍｉｎ以下であるポリプロピレン系樹脂を基材樹脂とする、発泡倍率が１０倍以上４０倍以下であるポリプロピレン系樹脂予備発泡粒子であって、示差走査熱量計法による測定において、２つの融点を有し、高温側融点が１５０°C以上かつ低温側融点が１３８°C未満であることを特徴とするポリプロピレン系樹脂予備発泡粒子。
PCT/JP2008/068210 2007-10-16 2008-10-07 ポリプロピレン系樹脂予備発泡粒子および該予備発泡粒子から得られる型内発泡成形体 WO2009051035A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009538056A JP5587605B2 (ja) 2007-10-16 2008-10-07 ポリプロピレン系樹脂予備発泡粒子および該予備発泡粒子から得られる型内発泡成形体

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2007-268717 2007-10-16
JP2007268717 2007-10-16
JP2008-008035 2008-01-17
JP2008008035 2008-01-17
JP2008-112301 2008-04-23
JP2008112301 2008-04-23

Publications (1)

Publication Number Publication Date
WO2009051035A1 true WO2009051035A1 (ja) 2009-04-23

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PCT/JP2008/068210 WO2009051035A1 (ja) 2007-10-16 2008-10-07 ポリプロピレン系樹脂予備発泡粒子および該予備発泡粒子から得られる型内発泡成形体

Country Status (2)

Country Link
JP (1) JP5587605B2 (ja)
WO (1) WO2009051035A1 (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8889750B2 (en) 2011-02-02 2014-11-18 Kaneka Corporation Expanded polypropylene resin particles, and polypropylene resin in-mold-expanded molding
WO2016098698A1 (ja) * 2014-12-17 2016-06-23 株式会社カネカ ポリプロピレン系樹脂発泡粒子
WO2016147775A1 (ja) * 2015-03-13 2016-09-22 株式会社カネカ 帯電防止性能を有するポリエチレン系樹脂発泡粒子およびポリエチレン系樹脂型内発泡成形体およびその製造方法
US10017619B2 (en) 2015-03-13 2018-07-10 Kaneka Corporation Polypropylene resin foamed particles and method for producing same
US10221292B2 (en) 2014-10-15 2019-03-05 Kaneka Corporation Polypropylene resin foamed particles, in-mold foam molded body of polypropylene resin, and method for manufacturing same
WO2019220994A1 (ja) 2018-05-15 2019-11-21 株式会社カネカ ポリプロピレン系樹脂発泡粒子、ポリプロピレン系樹脂型内発泡成形体、およびポリプロピレン系樹脂発泡粒子の製造方法
WO2021100645A1 (ja) 2019-11-21 2021-05-27 株式会社カネカ ポリプロピレン系樹脂発泡粒子、その製造方法及びポリプロピレン系樹脂発泡成形体

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996013543A1 (fr) * 1994-10-31 1996-05-09 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Particules premoussees de resine de polypropylene et procede pour leur fabrication
JPH08183873A (ja) * 1994-12-28 1996-07-16 Kanegafuchi Chem Ind Co Ltd ポリプロピレン系樹脂の予備発泡粒子およびその製法
JPH10251437A (ja) * 1997-03-10 1998-09-22 Jsp Corp ポリプロピレン系樹脂発泡粒子成形体
JP2006096805A (ja) * 2004-09-28 2006-04-13 Kaneka Corp ポリプロピレン系樹脂予備発泡粒子および型内発泡成形体
WO2006054727A1 (ja) * 2004-11-22 2006-05-26 Kaneka Corporation ポリプロピレン系樹脂予備発泡粒子および型内発泡成形体

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996013543A1 (fr) * 1994-10-31 1996-05-09 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Particules premoussees de resine de polypropylene et procede pour leur fabrication
JPH08183873A (ja) * 1994-12-28 1996-07-16 Kanegafuchi Chem Ind Co Ltd ポリプロピレン系樹脂の予備発泡粒子およびその製法
JPH10251437A (ja) * 1997-03-10 1998-09-22 Jsp Corp ポリプロピレン系樹脂発泡粒子成形体
JP2006096805A (ja) * 2004-09-28 2006-04-13 Kaneka Corp ポリプロピレン系樹脂予備発泡粒子および型内発泡成形体
WO2006054727A1 (ja) * 2004-11-22 2006-05-26 Kaneka Corporation ポリプロピレン系樹脂予備発泡粒子および型内発泡成形体

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8889750B2 (en) 2011-02-02 2014-11-18 Kaneka Corporation Expanded polypropylene resin particles, and polypropylene resin in-mold-expanded molding
US10221292B2 (en) 2014-10-15 2019-03-05 Kaneka Corporation Polypropylene resin foamed particles, in-mold foam molded body of polypropylene resin, and method for manufacturing same
WO2016098698A1 (ja) * 2014-12-17 2016-06-23 株式会社カネカ ポリプロピレン系樹脂発泡粒子
WO2016147775A1 (ja) * 2015-03-13 2016-09-22 株式会社カネカ 帯電防止性能を有するポリエチレン系樹脂発泡粒子およびポリエチレン系樹脂型内発泡成形体およびその製造方法
JPWO2016147775A1 (ja) * 2015-03-13 2017-12-28 株式会社カネカ 帯電防止性能を有するポリエチレン系樹脂発泡粒子およびポリエチレン系樹脂型内発泡成形体およびその製造方法
US10017619B2 (en) 2015-03-13 2018-07-10 Kaneka Corporation Polypropylene resin foamed particles and method for producing same
WO2019220994A1 (ja) 2018-05-15 2019-11-21 株式会社カネカ ポリプロピレン系樹脂発泡粒子、ポリプロピレン系樹脂型内発泡成形体、およびポリプロピレン系樹脂発泡粒子の製造方法
WO2021100645A1 (ja) 2019-11-21 2021-05-27 株式会社カネカ ポリプロピレン系樹脂発泡粒子、その製造方法及びポリプロピレン系樹脂発泡成形体

Also Published As

Publication number Publication date
JPWO2009051035A1 (ja) 2011-03-03
JP5587605B2 (ja) 2014-09-10

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