DE3870991D1 - Vorgeschaeumte teilchen aus unverzweigtem llpde und verfahren zu deren herstellung. - Google Patents

Vorgeschaeumte teilchen aus unverzweigtem llpde und verfahren zu deren herstellung.

Info

Publication number
DE3870991D1
DE3870991D1 DE8888109344T DE3870991T DE3870991D1 DE 3870991 D1 DE3870991 D1 DE 3870991D1 DE 8888109344 T DE8888109344 T DE 8888109344T DE 3870991 T DE3870991 T DE 3870991T DE 3870991 D1 DE3870991 D1 DE 3870991D1
Authority
DE
Germany
Prior art keywords
llpde
branched
production
foamed particles
foamed
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE8888109344T
Other languages
English (en)
Inventor
Hideki Kuwabara
Masahiro Hashiba
Masato Naito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JSP Corp
Original Assignee
JSP Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15625003&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3870991(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by JSP Corp filed Critical JSP Corp
Application granted granted Critical
Publication of DE3870991D1 publication Critical patent/DE3870991D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C08J9/228—Forming foamed products
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
    • 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
DE8888109344T 1987-06-23 1988-06-11 Vorgeschaeumte teilchen aus unverzweigtem llpde und verfahren zu deren herstellung. Expired - Fee Related DE3870991D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62156310A JPH0739501B2 (ja) 1987-06-23 1987-06-23 無架橋直鎖状低密度ポリエチレン予備発泡粒子

Publications (1)

Publication Number Publication Date
DE3870991D1 true DE3870991D1 (de) 1992-06-17

Family

ID=15625003

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888109344T Expired - Fee Related DE3870991D1 (de) 1987-06-23 1988-06-11 Vorgeschaeumte teilchen aus unverzweigtem llpde und verfahren zu deren herstellung.

Country Status (5)

Country Link
US (2) US4948817A (de)
EP (1) EP0296438B1 (de)
JP (1) JPH0739501B2 (de)
CA (1) CA1308863C (de)
DE (1) DE3870991D1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0739501B2 (ja) * 1987-06-23 1995-05-01 日本スチレンペ−パ−株式会社 無架橋直鎖状低密度ポリエチレン予備発泡粒子
CA2030754C (en) * 1989-11-24 1997-06-03 Kazuo Turugai Production method of prefoamed synthetic resin particles
US5389320A (en) * 1991-10-28 1995-02-14 General Electric Company Method of making expandable polyphenylene ether and polyolefin blend
JP2878527B2 (ja) * 1992-06-22 1999-04-05 鐘淵化学工業株式会社 ポリエチレン系樹脂予備発泡粒子
DE4221603A1 (de) * 1992-07-01 1994-01-05 Basf Ag Verfahren und Vorrichtung zur Druckbehandlung von vorgeschäumten Teilchen aus einem thermoplastischen Polymeren
JP3279382B2 (ja) * 1993-03-17 2002-04-30 株式会社ジエイエスピー 無架橋ポリエチレン系樹脂発泡粒子及びその製造方法
DE4420590A1 (de) * 1994-06-13 1995-12-14 Basf Ag Polyolefin-Partikelschaum
WO1997018260A1 (fr) * 1995-11-15 1997-05-22 Asahi Kasei Kogyo Kabushiki Kaisha Perles de polyethylene pre-expansees et leur procede de production
US6451419B1 (en) 1996-08-12 2002-09-17 Jsp Corporation Shock absorbing material
WO1998025996A1 (fr) * 1996-12-13 1998-06-18 Jsp Corporation Particules expansees de resine de polyolefine et leur procede de preparation
US6818161B2 (en) 1997-04-01 2004-11-16 Jsp Corporation Molded body of thermoplastic resin having sound absorption characteristics
TW369475B (en) 1997-06-18 1999-09-11 Jsp Corp Production apparatus of expansion-molded article, auxiliary member for transfer of foamed particles and production method of expansion-molded article
ATE280797T1 (de) 1997-12-01 2004-11-15 Jsp Corp Expandierte polypropylenharzperlen und geformter artikel
JP3692760B2 (ja) * 1998-01-30 2005-09-07 株式会社カネカ ポリプロピレン系樹脂型内発泡成形体の製造方法
SG77671A1 (en) * 1998-03-23 2001-01-16 Jsp Corp Foamed and expanded beads of polypropylene resin for molding
EP0963827B1 (de) * 1998-06-11 2002-10-23 Jsp Corporation Geformter Gegenstand aus geschäumten und expandierten Propylenperlen
US6114025A (en) * 1998-06-15 2000-09-05 Tenneco Protective Packaging, Inc. Foam and film/foam laminates using linear low density polyethylene
JP3950557B2 (ja) 1998-07-30 2007-08-01 株式会社カネカ ポリプロピレン系樹脂予備発泡粒子およびそれからの型内発泡成形体の製造方法
WO2001048079A1 (fr) 1999-12-27 2001-07-05 Asahi Kasei Kabushiki Kaisha Compositions thermoplastiques de caoutchouc reticule
EP1266929A4 (de) 1999-12-28 2003-03-26 Kaneka Corp Expandierbare styrolharzbällchen sowie damit hergestellte schäume
FR2809075B1 (fr) * 2000-05-18 2004-04-02 Norton Sa Performance Plastics Procede de fabrication d'un element modulaire pret a etre colle et procede de montage
GB2395948A (en) * 2002-12-06 2004-06-09 Pactiv Europ B V Polyolefin foam
US9034933B2 (en) 2010-01-15 2015-05-19 Kaneka Corporation Expanded particle of polyethylene-based resin and in-mold expansion molded article of polyethylene-based resin
JP7130080B1 (ja) * 2021-03-15 2022-09-02 株式会社ジェイエスピー ポリエチレン系樹脂発泡粒子、ポリエチレン系樹脂発泡粒子の製造方法

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1008525B (it) * 1972-12-19 1976-11-30 Kanegafuchi Chemical Ind Collegamento di sci a blocco ad inerzia metodo ed apparecchio di stampag gio per resine poliolefiniche espanse
GB1474774A (en) * 1973-10-09 1977-05-25 Furukawa Electric Co Ltd Process and apparatus for producing a foamed thermoplastic resin article
US4168353A (en) * 1976-04-21 1979-09-18 Sekisui Kaseihin Kogyo Kabushiki Kaisha Process for producing foamable polyethylene resin particles
DE2834965C3 (de) * 1977-08-15 1986-04-17 Asahi Kasei Kogyo K.K., Osaka Verfahren zur Herstellung feinteiliger geschäumter Teilchen aus vernetztem Olefinpolymerisat, die feinteiligen geschäumten Teilchen sowie ihre Verwendung zur Herstellung von Formteilen
JPS557816A (en) 1978-06-30 1980-01-21 Nippon Oils & Fats Co Ltd Vegitable oil purification
JPS5923731B2 (ja) * 1980-11-22 1984-06-04 日本スチレンペ−パ−株式会社 ポリプロピレン系樹脂予備発泡粒子
JPS58101025A (ja) * 1981-12-09 1983-06-16 Japan Styrene Paper Co Ltd ポリオレフイン系樹脂予備発泡粒子の加圧処理方法
AU559244B2 (en) * 1982-05-13 1987-03-05 Kanegafuchi Kagaku Kogyo K.K. Expanded polyolefin particles
US4464484A (en) * 1982-12-20 1984-08-07 Japan Styrene Paper Corporation Process for producing prefoamed polymer particles
EP0123144B1 (de) * 1983-03-25 1987-10-07 Japan Styrene Paper Corporation Vorgeschäumte Polypropylenperlen
DE3471671D1 (en) * 1983-04-05 1988-07-07 Kanegafuchi Chemical Ind Pre-expanded particle of polyolefin and process for preparing the same
US4525485A (en) * 1983-09-08 1985-06-25 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Pre-expanding process and apparatus for the same
JPS60110734A (ja) * 1983-11-21 1985-06-17 Japan Styrene Paper Co Ltd 無架橋ポリプロピレン系樹脂予備発泡粒子
JPS60123540A (ja) * 1983-12-07 1985-07-02 Japan Styrene Paper Co Ltd 無架橋ポリプロピレン系樹脂予備発泡粒子
US4704239A (en) * 1984-04-28 1987-11-03 Japan Styrene Paper Corp. Process for the production of expanded particles of a polymeric material
JPS60252636A (ja) * 1984-05-30 1985-12-13 Japan Styrene Paper Co Ltd 予備発泡粒子の製造法
JPS6151008A (ja) * 1984-08-21 1986-03-13 Japan Styrene Paper Co Ltd ポリエチレン系樹脂予備発泡粒子
US4778829A (en) * 1985-07-12 1988-10-18 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Process for preparing pre-expanded particles of thermoplastic resin
JPH0686544B2 (ja) * 1985-07-12 1994-11-02 鐘淵化学工業株式会社 無架橋直鎖状低密度ポリエチレン予備発泡粒子およびその成形法
JPS6218214A (ja) * 1985-07-17 1987-01-27 Japan Styrene Paper Co Ltd ポリオレフイン系樹脂粒子の加熱処理装置
JPH0649795B2 (ja) * 1985-11-29 1994-06-29 日本スチレンペ−パ−株式会社 ポリプロピレン系樹脂予備発泡粒子成型体の製造方法
JPH0660258B2 (ja) * 1986-06-26 1994-08-10 鐘淵化学工業株式会社 熱可塑性樹脂粒子の予備発泡方法
CA1280549C (en) * 1986-05-27 1991-02-19 Kyoichi Nakamura Pre-expanded particles of propylene resin
JPH0629334B2 (ja) * 1987-02-20 1994-04-20 鐘淵化学工業株式会社 直鎖低密度ポリエチレン樹脂型内発泡成形体の製造方法
JPH082989B2 (ja) * 1987-05-11 1996-01-17 日本スチレンペ−パ−株式会社 ポリオレフィン系樹脂粒子の予備発泡方法
JPH0739501B2 (ja) * 1987-06-23 1995-05-01 日本スチレンペ−パ−株式会社 無架橋直鎖状低密度ポリエチレン予備発泡粒子

Also Published As

Publication number Publication date
JPH0739501B2 (ja) 1995-05-01
US4948817A (en) 1990-08-14
US5053435A (en) 1991-10-01
EP0296438A3 (en) 1989-04-12
EP0296438A2 (de) 1988-12-28
EP0296438B1 (de) 1992-05-13
CA1308863C (en) 1992-10-13
JPS641741A (en) 1989-01-06

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8328 Change in the person/name/address of the agent

Representative=s name: MUELLER-GERBES & WAGNER PATENTANWAELTE, 53225 BONN

8339 Ceased/non-payment of the annual fee