[go: up one dir, main page]

JPS625455B2 - - Google Patents

Info

Publication number
JPS625455B2
JPS625455B2 JP56175989A JP17598981A JPS625455B2 JP S625455 B2 JPS625455 B2 JP S625455B2 JP 56175989 A JP56175989 A JP 56175989A JP 17598981 A JP17598981 A JP 17598981A JP S625455 B2 JPS625455 B2 JP S625455B2
Authority
JP
Japan
Prior art keywords
particles
polymer particles
blowing agent
present
expanded
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
Application number
JP56175989A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5876233A (ja
Inventor
Hideki Kuwabara
Kuninori Hirozawa
Sumio Shimada
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
Application filed by JSP Corp filed Critical JSP Corp
Priority to JP56175989A priority Critical patent/JPS5876233A/ja
Publication of JPS5876233A publication Critical patent/JPS5876233A/ja
Publication of JPS625455B2 publication Critical patent/JPS625455B2/ja
Granted 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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
JP56175989A 1981-11-02 1981-11-02 エチレン−プロピレン共重合体予備発泡粒子の製造方法 Granted JPS5876233A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56175989A JPS5876233A (ja) 1981-11-02 1981-11-02 エチレン−プロピレン共重合体予備発泡粒子の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56175989A JPS5876233A (ja) 1981-11-02 1981-11-02 エチレン−プロピレン共重合体予備発泡粒子の製造方法

Publications (2)

Publication Number Publication Date
JPS5876233A JPS5876233A (ja) 1983-05-09
JPS625455B2 true JPS625455B2 (fr) 1987-02-05

Family

ID=16005749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56175989A Granted JPS5876233A (ja) 1981-11-02 1981-11-02 エチレン−プロピレン共重合体予備発泡粒子の製造方法

Country Status (1)

Country Link
JP (1) JPS5876233A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS62115042A (ja) * 1985-11-14 1987-05-26 Kanegafuchi Chem Ind Co Ltd ポリプロピレン系樹脂予備発泡粒子およびその製造方法

Citations (2)

* 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
JPS561344A (en) * 1979-06-18 1981-01-09 Nishimu Denshi Kogyo Kk Controlling method for optimum wet-quantity in wet-type insulator stain measurement

Patent Citations (2)

* 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
JPS561344A (en) * 1979-06-18 1981-01-09 Nishimu Denshi Kogyo Kk Controlling method for optimum wet-quantity in wet-type insulator stain measurement

Also Published As

Publication number Publication date
JPS5876233A (ja) 1983-05-09

Similar Documents

Publication Publication Date Title
US4399087A (en) Process for producing foamed polyolefin articles from aged pre-foamed particles of polyolefin resins
JPS5923731B2 (ja) ポリプロピレン系樹脂予備発泡粒子
JPS5943492B2 (ja) ポリプロピレン系樹脂発泡成型体の製造方法
JPS6234335B2 (fr)
JPH0313057B2 (fr)
JPH0386736A (ja) ポリオレフィン系樹脂発泡粒子の製造方法
JP2002523587A (ja) シンジオタクチックポリプロピレンと熱可塑性ポリマーのブレンドから製造されるフォーム
JPH0559140B2 (fr)
JPS625455B2 (fr)
JP3281904B2 (ja) ポリプロピレン系樹脂発泡粒子及びその成形体
JPS5851123A (ja) ポリプロピレン系樹脂予備発泡粒子の型内成形法
JPS6244778B2 (fr)
JPS58215326A (ja) ポリオレフイン樹脂型内発泡成型体の製造方法
JPS6234334B2 (fr)
JPH05255531A (ja) 発泡重合体成形品の製造方法
JP3020296B2 (ja) 無架橋直鎖低密度ポリエチレン系樹脂発泡粒子の製造方法
JPS612741A (ja) ポリプロピレン系樹脂発泡粒子の製造方法
JP2603858B2 (ja) 球状ポリエチレン発泡粒子の製造法
EP0337584B1 (fr) Procédé pour préparer des perles expansées de résine de polypropylène
JP3195675B2 (ja) ポリオレフィン系樹脂発泡粒子の製造方法
JPH08113667A (ja) 直鎖状低密度ポリエチレン系樹脂発泡成型体及びその製造方法
JPS6344780B2 (fr)
JPS6233254B2 (fr)
JPS6341942B2 (fr)
JPH0218225B2 (fr)