JPS6233253B2 - - Google Patents

Info

Publication number
JPS6233253B2
JPS6233253B2 JP56175987A JP17598781A JPS6233253B2 JP S6233253 B2 JPS6233253 B2 JP S6233253B2 JP 56175987 A JP56175987 A JP 56175987A JP 17598781 A JP17598781 A JP 17598781A JP S6233253 B2 JPS6233253 B2 JP S6233253B2
Authority
JP
Japan
Prior art keywords
particles
container
temperature
polymer particles
blowing agent
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
JP56175987A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5876232A (ja
Inventor
Hiroyuki Akyama
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 JP56175987A priority Critical patent/JPS5876232A/ja
Publication of JPS5876232A publication Critical patent/JPS5876232A/ja
Publication of JPS6233253B2 publication Critical patent/JPS6233253B2/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
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene

Landscapes

  • Molding Of Porous Articles (AREA)
  • 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)
JP56175987A 1981-11-02 1981-11-02 低発泡ポリプロピレン系樹脂予備発泡粒子の製造方法 Granted JPS5876232A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56175987A JPS5876232A (ja) 1981-11-02 1981-11-02 低発泡ポリプロピレン系樹脂予備発泡粒子の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56175987A JPS5876232A (ja) 1981-11-02 1981-11-02 低発泡ポリプロピレン系樹脂予備発泡粒子の製造方法

Publications (2)

Publication Number Publication Date
JPS5876232A JPS5876232A (ja) 1983-05-09
JPS6233253B2 true JPS6233253B2 (en, 2012) 1987-07-20

Family

ID=16005712

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56175987A Granted JPS5876232A (ja) 1981-11-02 1981-11-02 低発泡ポリプロピレン系樹脂予備発泡粒子の製造方法

Country Status (1)

Country Link
JP (1) JPS5876232A (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH066637B2 (ja) * 1984-09-03 1994-01-26 住友化学工業株式会社 プロピレン系樹脂発泡粒子

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS5876232A (ja) 1983-05-09

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