JPS5724221A - Manufacture of highly foamed polypropylene - Google Patents

Manufacture of highly foamed polypropylene

Info

Publication number
JPS5724221A
JPS5724221A JP9760980A JP9760980A JPS5724221A JP S5724221 A JPS5724221 A JP S5724221A JP 9760980 A JP9760980 A JP 9760980A JP 9760980 A JP9760980 A JP 9760980A JP S5724221 A JPS5724221 A JP S5724221A
Authority
JP
Japan
Prior art keywords
extruder
polypropylene
foam
foamed
foaming
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.)
Granted
Application number
JP9760980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6311963B2 (enrdf_load_stackoverflow
Inventor
Fumio Suzuki
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP9760980A priority Critical patent/JPS5724221A/ja
Publication of JPS5724221A publication Critical patent/JPS5724221A/ja
Publication of JPS6311963B2 publication Critical patent/JPS6311963B2/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
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3462—Cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
JP9760980A 1980-07-18 1980-07-18 Manufacture of highly foamed polypropylene Granted JPS5724221A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9760980A JPS5724221A (en) 1980-07-18 1980-07-18 Manufacture of highly foamed polypropylene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9760980A JPS5724221A (en) 1980-07-18 1980-07-18 Manufacture of highly foamed polypropylene

Publications (2)

Publication Number Publication Date
JPS5724221A true JPS5724221A (en) 1982-02-08
JPS6311963B2 JPS6311963B2 (enrdf_load_stackoverflow) 1988-03-16

Family

ID=14196953

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9760980A Granted JPS5724221A (en) 1980-07-18 1980-07-18 Manufacture of highly foamed polypropylene

Country Status (1)

Country Link
JP (1) JPS5724221A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61126701A (ja) * 1984-11-16 1986-06-14 ザ　ダウ　ケミカル　カンパニー わずかに架橋している線状オレフイン性ポリマー発泡体及びその生成方法
JPS62201942A (ja) * 1986-02-28 1987-09-05 Sekisui Plastics Co Ltd ポリプロピレン発泡体の製法
JP2017061060A (ja) * 2015-09-24 2017-03-30 エバーフォーカス インターナショナル カンパニー リミテッド 加工成形機によって重合体内に微細気泡を生成させる加工方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5423670A (en) * 1977-07-22 1979-02-22 Sumitomo Electric Ind Ltd Production of hyghly foamed polyethylene

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5423670A (en) * 1977-07-22 1979-02-22 Sumitomo Electric Ind Ltd Production of hyghly foamed polyethylene

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61126701A (ja) * 1984-11-16 1986-06-14 ザ　ダウ　ケミカル　カンパニー わずかに架橋している線状オレフイン性ポリマー発泡体及びその生成方法
JPS62201942A (ja) * 1986-02-28 1987-09-05 Sekisui Plastics Co Ltd ポリプロピレン発泡体の製法
JP2017061060A (ja) * 2015-09-24 2017-03-30 エバーフォーカス インターナショナル カンパニー リミテッド 加工成形機によって重合体内に微細気泡を生成させる加工方法

Also Published As

Publication number Publication date
JPS6311963B2 (enrdf_load_stackoverflow) 1988-03-16

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