DE3580943D1 - Verfahren zur herstellung von vorgeschaeumten partikeln. - Google Patents

Verfahren zur herstellung von vorgeschaeumten partikeln.

Info

Publication number
DE3580943D1
DE3580943D1 DE8585106595T DE3580943T DE3580943D1 DE 3580943 D1 DE3580943 D1 DE 3580943D1 DE 8585106595 T DE8585106595 T DE 8585106595T DE 3580943 T DE3580943 T DE 3580943T DE 3580943 D1 DE3580943 D1 DE 3580943D1
Authority
DE
Germany
Prior art keywords
foamed particles
producing pre
producing
foamed
particles
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
DE8585106595T
Other languages
English (en)
Inventor
Hiroyuki Akiyama
Takashi Kubota
Shigeru Okabe
Koji Iizuka
Hisao Tokoro
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=14526354&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3580943(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 DE3580943D1 publication Critical patent/DE3580943D1/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
    • C08J9/16—Making expandable particles
    • 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
DE8585106595T 1984-05-30 1985-05-29 Verfahren zur herstellung von vorgeschaeumten partikeln. Expired - Fee Related DE3580943D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59110073A JPS60252636A (ja) 1984-05-30 1984-05-30 予備発泡粒子の製造法

Publications (1)

Publication Number Publication Date
DE3580943D1 true DE3580943D1 (de) 1991-01-31

Family

ID=14526354

Family Applications (2)

Application Number Title Priority Date Filing Date
DE198585106595T Pending DE166252T1 (de) 1984-05-30 1985-05-29 Verfahren zur herstellung von vorgeschaeumten partikeln.
DE8585106595T Expired - Fee Related DE3580943D1 (de) 1984-05-30 1985-05-29 Verfahren zur herstellung von vorgeschaeumten partikeln.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE198585106595T Pending DE166252T1 (de) 1984-05-30 1985-05-29 Verfahren zur herstellung von vorgeschaeumten partikeln.

Country Status (6)

Country Link
US (1) US4749725A (de)
EP (1) EP0166252B2 (de)
JP (1) JPS60252636A (de)
BE (1) BE902521A (de)
CA (1) CA1244205A (de)
DE (2) DE166252T1 (de)

Families Citing this family (11)

* 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
DE4319587A1 (de) * 1993-06-14 1994-12-15 Huels Chemische Werke Ag Verfahren zur Herstellung vorgeschäumter Polyolefin-Partikel
DE19545098A1 (de) 1995-12-04 1997-06-05 Basf Ag Polyolefin-Partikelschaumstoff
DE69727682T2 (de) 1996-08-12 2004-12-02 Jsp Corp. Stossabsorbierendes 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
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
WO2018078726A1 (ja) * 2016-10-25 2018-05-03 積水化成品工業株式会社 オレフィン系エラストマー樹脂粒子、発泡性粒子、発泡粒子及び発泡成形体

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941965A (en) * 1954-11-16 1960-06-21 Koppers Co Inc Foamable polystyrene composition containing an aliphatic hydrocarbon, a carbon dioxide liberating agent and boric acid; and method of foaming
US2941964A (en) * 1954-11-16 1960-06-21 Koppers Co Inc Composition comprising polystyrene, volatile organic solvent and a carbon dioxide liberating agent, and process of simultaneously foaming and extruding said composition
US2857341A (en) * 1955-12-28 1958-10-21 Monsanto Chemicals Steeping process for preparing foamable styrene polymer particles containing fatty acid compound
US2857342A (en) * 1956-04-25 1958-10-21 Monsanto Chemicals Steeping process for the preparation of foamable styrene polymer particles
US2864778A (en) * 1956-08-08 1958-12-16 Monsanto Chemicals Process for preparing foamable carbon dioxide-containing styrene polymer composition and foamable composition thereof
US2911381A (en) * 1956-09-10 1959-11-03 Monsanto Chemicals Method of improving the foaming characteristics of particulate foamable styrene polymers
US2962456A (en) * 1958-01-06 1960-11-29 Monsanto Chemicals Process for preparing foamed styrene polymers containing an inorganic pigment
US2998396A (en) * 1958-03-21 1961-08-29 Monsanto Chemicals Particulate foamable styrene polymer treatment process
US3072581A (en) * 1958-05-16 1963-01-08 Monsanto Chemicals Foamable styrene polymer compositions and method for preparing same
US3069367A (en) * 1960-08-10 1962-12-18 Monsanto Chemicals Composition comprising a foamable styrene polymer containing a three component system and process of foaming
NL280836A (de) * 1962-07-11 1900-01-01
GB1047341A (de) * 1963-04-16
US3709806A (en) * 1970-06-27 1973-01-09 Toray Industries Process for the preparation of radiation-crosslinkable foamable polyolefin particles
US4048208A (en) * 1975-12-31 1977-09-13 Arco Polymers, Inc. Method for preparing improved expanded polystyrene sheet
JPS6011976B2 (ja) * 1980-05-29 1985-03-29 積水化学工業株式会社 発泡ポリエチレンの製造方法
JPS5712035A (en) * 1980-06-25 1982-01-21 Japan Styrene Paper Co Ltd Production of polyolefin resin molded foam
US4360484A (en) * 1981-04-03 1982-11-23 The Dow Chemical Company Pressurization and storage of thermoplastic resin foams prior to secondary expansion
JPS5876230A (ja) * 1981-10-31 1983-05-09 Kanegafuchi Chem Ind Co Ltd ポリプロピレン系樹脂発泡粒子の製造方法
JPS5930836A (ja) * 1982-08-13 1984-02-18 Kanegafuchi Chem Ind Co Ltd ポリオレフイン系樹脂粒子の予備発泡方法
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

Also Published As

Publication number Publication date
JPS60252636A (ja) 1985-12-13
CA1244205A (en) 1988-11-08
US4749725A (en) 1988-06-07
BE902521A (fr) 1985-09-16
JPH0559140B2 (de) 1993-08-30
EP0166252A2 (de) 1986-01-02
EP0166252B1 (de) 1990-12-19
EP0166252B2 (de) 1994-10-19
DE166252T1 (de) 1986-09-25
EP0166252A3 (en) 1987-04-01

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee