JPS625054B2 - - Google Patents

Info

Publication number
JPS625054B2
JPS625054B2 JP56175988A JP17598881A JPS625054B2 JP S625054 B2 JPS625054 B2 JP S625054B2 JP 56175988 A JP56175988 A JP 56175988A JP 17598881 A JP17598881 A JP 17598881A JP S625054 B2 JPS625054 B2 JP S625054B2
Authority
JP
Japan
Prior art keywords
particles
heating
blowing agent
temperature
container
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
JP56175988A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5876227A (ja
Inventor
Yoshimi Sudo
Kuninori Hirozawa
Hideki Kuwabara
Sumio Shimada
Tooru Yamaguchi
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 JP56175988A priority Critical patent/JPS5876227A/ja
Publication of JPS5876227A publication Critical patent/JPS5876227A/ja
Publication of JPS625054B2 publication Critical patent/JPS625054B2/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
    • B29C44/36—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
    • 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
    • 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)
JP56175988A 1981-11-02 1981-11-02 ポリプロピレン系樹脂発泡成型体の製造方法 Granted JPS5876227A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56175988A JPS5876227A (ja) 1981-11-02 1981-11-02 ポリプロピレン系樹脂発泡成型体の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56175988A JPS5876227A (ja) 1981-11-02 1981-11-02 ポリプロピレン系樹脂発泡成型体の製造方法

Publications (2)

Publication Number Publication Date
JPS5876227A JPS5876227A (ja) 1983-05-09
JPS625054B2 true JPS625054B2 (en]) 1987-02-03

Family

ID=16005731

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56175988A Granted JPS5876227A (ja) 1981-11-02 1981-11-02 ポリプロピレン系樹脂発泡成型体の製造方法

Country Status (1)

Country Link
JP (1) JPS5876227A (en])

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5122951A (ja) * 1974-08-16 1976-02-24 Yoshio Ihara Eaaenjin
JPS561344A (en) * 1979-06-18 1981-01-09 Nishimu Denshi Kogyo Kk Controlling method for optimum wet-quantity in wet-type insulator stain measurement
JPS5646735A (en) * 1979-09-25 1981-04-28 Japan Styrene Paper Co Ltd Freparation of polyolefin series resin foamed molding body

Also Published As

Publication number Publication date
JPS5876227A (ja) 1983-05-09

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