JPH0362543B2 - - Google Patents

Info

Publication number
JPH0362543B2
JPH0362543B2 JP57172591A JP17259182A JPH0362543B2 JP H0362543 B2 JPH0362543 B2 JP H0362543B2 JP 57172591 A JP57172591 A JP 57172591A JP 17259182 A JP17259182 A JP 17259182A JP H0362543 B2 JPH0362543 B2 JP H0362543B2
Authority
JP
Japan
Prior art keywords
density
molded product
particles
expanded particles
copolymer 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 - Lifetime
Application number
JP57172591A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5962119A (ja
Inventor
Hideki Kuwabara
Tooru Yamaguchi
Yoshimi Sudo
Shohei Yoshimura
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.)
JEI ESU PII KK
Original Assignee
JEI ESU PII KK
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 JEI ESU PII KK filed Critical JEI ESU PII KK
Priority to JP57172591A priority Critical patent/JPS5962119A/ja
Publication of JPS5962119A publication Critical patent/JPS5962119A/ja
Publication of JPH0362543B2 publication Critical patent/JPH0362543B2/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

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)
JP57172591A 1982-10-01 1982-10-01 ポリプロピレン系樹脂発泡成型体 Granted JPS5962119A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57172591A JPS5962119A (ja) 1982-10-01 1982-10-01 ポリプロピレン系樹脂発泡成型体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57172591A JPS5962119A (ja) 1982-10-01 1982-10-01 ポリプロピレン系樹脂発泡成型体

Publications (2)

Publication Number Publication Date
JPS5962119A JPS5962119A (ja) 1984-04-09
JPH0362543B2 true JPH0362543B2 (en, 2012) 1991-09-26

Family

ID=15944682

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57172591A Granted JPS5962119A (ja) 1982-10-01 1982-10-01 ポリプロピレン系樹脂発泡成型体

Country Status (1)

Country Link
JP (1) JPS5962119A (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5384028B2 (ja) * 2007-05-15 2014-01-08 株式会社カネカ ポリプロピレン系樹脂予備発泡粒子の製造方法

Family Cites Families (2)

* 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

Also Published As

Publication number Publication date
JPS5962119A (ja) 1984-04-09

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