DE3776160D1 - Verfahren zum herstellen von vorgeschaeumten thermoplastischen partikeln. - Google Patents

Verfahren zum herstellen von vorgeschaeumten thermoplastischen partikeln.

Info

Publication number
DE3776160D1
DE3776160D1 DE8787101224T DE3776160T DE3776160D1 DE 3776160 D1 DE3776160 D1 DE 3776160D1 DE 8787101224 T DE8787101224 T DE 8787101224T DE 3776160 T DE3776160 T DE 3776160T DE 3776160 D1 DE3776160 D1 DE 3776160D1
Authority
DE
Germany
Prior art keywords
foamed thermoplastic
thermoplastic particles
producing pre
mixt
thermoplastic resin
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
DE8787101224T
Other languages
English (en)
Inventor
Kyoichi Nakamura
Hiroyujki Yoshida
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=26355684&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3776160(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP61018928A external-priority patent/JPS62177038A/ja
Priority claimed from JP61150089A external-priority patent/JPH0660258B2/ja
Application filed by Kanegafuchi Chemical Industry Co Ltd filed Critical Kanegafuchi Chemical Industry Co Ltd
Application granted granted Critical
Publication of DE3776160D1 publication Critical patent/DE3776160D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B29C44/3461—Making or treating expandable particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material

Landscapes

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
DE8787101224T 1986-01-30 1987-01-29 Verfahren zum herstellen von vorgeschaeumten thermoplastischen partikeln. Expired - Fee Related DE3776160D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61018928A JPS62177038A (ja) 1986-01-30 1986-01-30 熱可塑性樹脂予備発泡粒子の製造方法
JP61150089A JPH0660258B2 (ja) 1986-06-26 1986-06-26 熱可塑性樹脂粒子の予備発泡方法

Publications (1)

Publication Number Publication Date
DE3776160D1 true DE3776160D1 (de) 1992-03-05

Family

ID=26355684

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787101224T Expired - Fee Related DE3776160D1 (de) 1986-01-30 1987-01-29 Verfahren zum herstellen von vorgeschaeumten thermoplastischen partikeln.

Country Status (2)

Country Link
EP (1) EP0234320B1 (de)
DE (1) DE3776160D1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5855231A (ja) * 1981-09-28 1983-04-01 Japan Styrene Paper Co Ltd ポリオレフイン系樹脂予備発泡粒子の製造方法
AU559244B2 (en) * 1982-05-13 1987-03-05 Kanegafuchi Kagaku Kogyo K.K. Expanded polyolefin particles
DE3471900D1 (en) * 1983-09-08 1988-07-14 Kanegafuchi Chemical Ind Pre-expanding process and apparatus for the same

Also Published As

Publication number Publication date
EP0234320A3 (en) 1988-05-11
EP0234320B1 (de) 1992-01-22
EP0234320A2 (de) 1987-09-02

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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