DE3681531D1 - Vorgeschaeumte teilchen aus nichtvernetztem linearem polyaethylen niedriger dichte und verfahren zur herstellung von zellulaeren materialien daraus. - Google Patents

Vorgeschaeumte teilchen aus nichtvernetztem linearem polyaethylen niedriger dichte und verfahren zur herstellung von zellulaeren materialien daraus.

Info

Publication number
DE3681531D1
DE3681531D1 DE8686109363T DE3681531T DE3681531D1 DE 3681531 D1 DE3681531 D1 DE 3681531D1 DE 8686109363 T DE8686109363 T DE 8686109363T DE 3681531 T DE3681531 T DE 3681531T DE 3681531 D1 DE3681531 D1 DE 3681531D1
Authority
DE
Germany
Prior art keywords
low density
polyaethylene
crosslinked linear
foamed particles
cellular materials
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
DE8686109363T
Other languages
English (en)
Inventor
Kenichi Senda
Masao Ando
Hirofumi Maeda
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.)
Kanegafuchi Chemical Industry Co Ltd
Original Assignee
Kanegafuchi Chemical Industry Co Ltd
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=15586358&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3681531(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kanegafuchi Chemical Industry Co Ltd filed Critical Kanegafuchi Chemical Industry Co Ltd
Application granted granted Critical
Publication of DE3681531D1 publication Critical patent/DE3681531D1/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
    • C08J9/232—Forming foamed products by sintering expandable particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • 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

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)
  • Polyurethanes Or Polyureas (AREA)
DE8686109363T 1985-07-12 1986-07-09 Vorgeschaeumte teilchen aus nichtvernetztem linearem polyaethylen niedriger dichte und verfahren zur herstellung von zellulaeren materialien daraus. Expired - Fee Related DE3681531D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60154534A JPH0686544B2 (ja) 1985-07-12 1985-07-12 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

Publications (1)

Publication Number Publication Date
DE3681531D1 true DE3681531D1 (de) 1991-10-24

Family

ID=15586358

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686109363T Expired - Fee Related DE3681531D1 (de) 1985-07-12 1986-07-09 Vorgeschaeumte teilchen aus nichtvernetztem linearem polyaethylen niedriger dichte und verfahren zur herstellung von zellulaeren materialien daraus.

Country Status (7)

Country Link
US (1) US4968723A (de)
EP (1) EP0212204B1 (de)
JP (1) JPH0686544B2 (de)
AT (1) ATE67513T1 (de)
AU (1) AU607392B2 (de)
CA (1) CA1294735C (de)
DE (1) DE3681531D1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3951476A (en) * 1974-09-27 1976-04-20 The Bendix Corporation Centrifugally flow controlled lubricated bearing
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
WO1988008861A1 (en) * 1987-05-13 1988-11-17 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Preexpanded polyolefin resin particles and process for their preparation
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
JPH0784505B2 (ja) * 1987-11-20 1995-09-13 出光石油化学株式会社 無架橋発泡用直鎖状低密度ポリエチレン
JPH0747660B2 (ja) * 1987-12-14 1995-05-24 住友化学工業株式会社 ポリオレフイン系樹脂予備発泡粒子の製造法
AU652512B2 (en) * 1988-12-01 1994-08-25 Sekisui Kaseihin Kogyo Kabushiki Kaisha Process for producing polyester resin foam
US5085814A (en) * 1989-12-21 1992-02-04 Jsp Corporation Production process of expansion-molded article
JPH04189840A (ja) * 1990-11-22 1992-07-08 Jsp Corp 重合体発泡粒子の製造方法
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
US5593624A (en) * 1995-05-24 1997-01-14 Lewis; Eugene R. Method for making cellular packaging board with inhibitor
JP3995714B2 (ja) * 1995-11-15 2007-10-24 旭化成ケミカルズ株式会社 ポリエチレン系予備発泡粒子
DE19545098A1 (de) * 1995-12-04 1997-06-05 Basf Ag Polyolefin-Partikelschaumstoff
CN101824196B (zh) * 2010-04-16 2012-07-04 三斯达(福建)塑胶有限公司 一种发泡材料
EP3072922B1 (de) 2013-11-20 2020-01-01 Kaneka Corporation Polyethylenharzschaumstoffteilchen, in der form expansionsgeformter polyethylenharzartikel und verfahren zur jeweiligen herstellung dieser erzeugnisse
EP3115170B1 (de) * 2014-03-07 2022-06-29 Kaneka Corporation Verfahren zur herstellung eines in einer form schaumgeformten polyolefinharzgegenstandes
ES2856924T3 (es) 2014-03-10 2021-09-28 Hickory Springs Mfg Co Espuma a base de polietileno sin reticular de alta temperatura y procedimientos de fabricación de la misma
EP3275928B1 (de) 2015-03-27 2019-09-18 Kaneka Corporation Verfahren zur herstellung eines polyethylenharz-schaumstoffformkörpers
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
EP4147847A1 (de) * 2021-09-08 2023-03-15 Basf Se Permeabler formkörper mit polyurethanperlen
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
WO2023189114A1 (ja) * 2022-03-30 2023-10-05 株式会社ジェイエスピー 発泡粒子及び発泡粒子成形体

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2107683A1 (en) * 1971-02-18 1972-08-31 Basf Ag Particulate foamed polyolefin prodn - by expansion with opt halogenated hydrocarbons in presence of water
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
JPS6010047B2 (ja) * 1981-11-02 1985-03-14 日本スチレンペ−パ−株式会社 無架橋直鎖低密度ポリエチレン予備発泡粒子およびその製造方法
JPS5876233A (ja) * 1981-11-02 1983-05-09 Japan Styrene Paper Co Ltd エチレン−プロピレン共重合体予備発泡粒子の製造方法
JPS6010048B2 (ja) * 1981-12-25 1985-03-14 日本スチレンペ−パ−株式会社 無架橋高密度ポリエチレン予備発泡粒子およびその製法
AU559244B2 (en) * 1982-05-13 1987-03-05 Kanegafuchi Kagaku Kogyo K.K. Expanded polyolefin particles
JPS59157127A (ja) * 1983-02-25 1984-09-06 Sumitomo Chem Co Ltd ポリプロピレン系発泡体の製造方法
ES8600348A1 (es) * 1983-04-05 1985-10-01 Kanegafuchi Chemical Ind Un procedimiento para preparar particulas pre-expandidas de poliolefina
JPS59187036A (ja) * 1983-04-05 1984-10-24 Kanegafuchi Chem Ind Co Ltd ポリエチレン系樹脂発泡粒子およびその製造方法
JPS6020943A (ja) * 1983-07-14 1985-02-02 Asahi Chem Ind Co Ltd 無架橋のポリエチレン樹脂発泡粒子
JPS59188413A (ja) * 1983-04-11 1984-10-25 Asahi Chem Ind Co Ltd 無架橋線状ポリエチレン樹脂型内発泡成形体及びその製造方法
JPS6049039A (ja) * 1983-08-26 1985-03-18 Badische Yuka Co Ltd ポリオレフイン系樹脂発泡体粒子の製造方法
JPS60105503A (ja) * 1983-11-12 1985-06-11 Kanegafuchi Chem Ind Co Ltd 熱可塑性樹脂粒子の予備発泡法およびその装置

Also Published As

Publication number Publication date
EP0212204A3 (en) 1988-08-10
ATE67513T1 (de) 1991-10-15
US4968723A (en) 1990-11-06
JPH0686544B2 (ja) 1994-11-02
EP0212204A2 (de) 1987-03-04
AU607392B2 (en) 1991-03-07
JPS6215239A (ja) 1987-01-23
AU5941186A (en) 1987-01-22
CA1294735C (en) 1992-01-21
EP0212204B1 (de) 1991-09-18

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee