JPS641741A - Preexpanded particle of uncrosslinked straight-chainlike low-density polyethylene - Google Patents

Preexpanded particle of uncrosslinked straight-chainlike low-density polyethylene

Info

Publication number
JPS641741A
JPS641741A JP62156310A JP15631087A JPS641741A JP S641741 A JPS641741 A JP S641741A JP 62156310 A JP62156310 A JP 62156310A JP 15631087 A JP15631087 A JP 15631087A JP S641741 A JPS641741 A JP S641741A
Authority
JP
Japan
Prior art keywords
particles
low
chainlike
density polyethylene
crystal structure
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.)
Granted
Application number
JP62156310A
Other languages
English (en)
Other versions
JPH011741A (ja
JPH0739501B2 (ja
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=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPS641741(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to JP62156310A priority Critical patent/JPH0739501B2/ja
Application filed by JSP Corp filed Critical JSP Corp
Priority to US07/204,010 priority patent/US4948817A/en
Priority to CA000568915A priority patent/CA1308863C/en
Priority to DE8888109344T priority patent/DE3870991D1/de
Priority to EP88109344A priority patent/EP0296438B1/en
Publication of JPH011741A publication Critical patent/JPH011741A/ja
Publication of JPS641741A publication Critical patent/JPS641741A/ja
Priority to US07/519,271 priority patent/US5053435A/en
Publication of JPH0739501B2 publication Critical patent/JPH0739501B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/22After-treatment of expandable particles; Forming foamed products
    • C08J9/228Forming foamed products
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/16Making expandable particles
    • C08J9/18Making expandable particles by impregnating polymer particles with the blowing agent
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00Foams characterized by the expanding agent
    • C08J2203/14Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • C08J2203/142Halogenated saturated hydrocarbons, e.g. H3C-CF3
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
JP62156310A 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 Expired - Fee Related JPH0739501B2 (ja)

Priority Applications (6)

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
US07/204,010 US4948817A (en) 1987-06-23 1988-06-08 Pre-foamed particles of uncrosslinked, linear low-density polyethylene and production method thereof
CA000568915A CA1308863C (en) 1987-06-23 1988-06-08 Pre-foamed particles of uncrosslinked, linear low-density polyethylene and production method thereof
DE8888109344T DE3870991D1 (de) 1987-06-23 1988-06-11 Vorgeschaeumte teilchen aus unverzweigtem llpde und verfahren zu deren herstellung.
EP88109344A EP0296438B1 (en) 1987-06-23 1988-06-11 Pre-foamed particles of uncrosslinked, linear low-density polyethylene and production method thereof
US07/519,271 US5053435A (en) 1987-06-23 1990-05-04 Pre-foamed particles of uncrosslinked, linear low-density polyethylene and production method thereof

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 (3)

Publication Number Publication Date
JPH011741A JPH011741A (ja) 1989-01-06
JPS641741A true JPS641741A (en) 1989-01-06
JPH0739501B2 JPH0739501B2 (ja) 1995-05-01

Family

ID=15625003

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62156310A Expired - Fee Related 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

Country Status (5)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011086937A1 (ja) * 2010-01-15 2011-07-21 株式会社カネカ 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
WO2022196372A1 (ja) * 2021-03-15 2022-09-22 株式会社ジェイエスピー ポリエチレン系樹脂発泡粒子及びその製造方法

Families Citing this family (23)

* 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
DE19681650B4 (de) * 1995-11-15 2005-07-14 Asahi Kasei Kabushiki Kaisha Vorexpandierte Polyethylenkügelchen und Verfahren zu ihrer Herstellung
DE69727682T2 (de) 1996-08-12 2004-12-02 Jsp Corp. Stossabsorbierendes material
BR9706836A (pt) * 1996-12-13 1999-12-28 Jsp Corp Partìculas espumadas de resina de poliolefina e processo de produção das mesmas
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
AU1263499A (en) 1997-12-01 1999-06-16 Jsp Corporation Expandable polypropylene resin beads and products of in-mold expansion
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 (en) * 1998-06-11 2002-10-23 Jsp Corporation Molded article of foamed and expanded beads of propylene resin
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
JP3571028B2 (ja) 1999-12-27 2004-09-29 旭化成ケミカルズ株式会社 熱可塑性架橋ゴム組成物
CN1311013C (zh) 1999-12-28 2007-04-18 钟渊化学工业株式会社 可发泡的聚苯乙烯树脂粒子和由其生产的泡沫制品
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
JP7295450B2 (ja) 2021-10-21 2023-06-21 株式会社ジェイエスピー ポリエチレン系樹脂発泡粒子及びその製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63205331A (ja) * 1987-02-20 1988-08-24 Kanegafuchi Chem Ind Co Ltd 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

Family Cites Families (25)

* 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
DE3466700D1 (en) * 1983-03-25 1987-11-12 Japan Styrene Paper Corp Polypropylene resin prefoamed particles
ES530108A0 (es) * 1983-04-05 1985-10-01 Kanegafuchi Chemical Ind Un procedimiento para preparar particulas pre-expandidas de poliolefina
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
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63205331A (ja) * 1987-02-20 1988-08-24 Kanegafuchi Chem Ind Co Ltd 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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011086937A1 (ja) * 2010-01-15 2011-07-21 株式会社カネカ 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
CN102712776A (zh) * 2010-01-15 2012-10-03 株式会社钟化 聚乙烯系树脂发泡粒子和聚乙烯系树脂模内发泡成型体
JP5689819B2 (ja) * 2010-01-15 2015-03-25 株式会社カネカ 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
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
WO2022196372A1 (ja) * 2021-03-15 2022-09-22 株式会社ジェイエスピー ポリエチレン系樹脂発泡粒子及びその製造方法
JP2022141166A (ja) * 2021-03-15 2022-09-29 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

Also Published As

Publication number Publication date
EP0296438A3 (en) 1989-04-12
EP0296438A2 (en) 1988-12-28
EP0296438B1 (en) 1992-05-13
US5053435A (en) 1991-10-01
US4948817A (en) 1990-08-14
CA1308863C (en) 1992-10-13
DE3870991D1 (de) 1992-06-17
JPH0739501B2 (ja) 1995-05-01

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