JPH0423655B2 - - Google Patents

Info

Publication number
JPH0423655B2
JPH0423655B2 JP59077184A JP7718484A JPH0423655B2 JP H0423655 B2 JPH0423655 B2 JP H0423655B2 JP 59077184 A JP59077184 A JP 59077184A JP 7718484 A JP7718484 A JP 7718484A JP H0423655 B2 JPH0423655 B2 JP H0423655B2
Authority
JP
Japan
Prior art keywords
foam
extruded
weight
foaming
density
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
JP59077184A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60220725A (ja
Inventor
Hisao Nakamura
Shoji Iwano
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 JP59077184A priority Critical patent/JPS60220725A/ja
Priority to US06/723,835 priority patent/US4649001A/en
Publication of JPS60220725A publication Critical patent/JPS60220725A/ja
Publication of JPH0423655B2 publication Critical patent/JPH0423655B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • 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
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/505—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through a flat die
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • 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
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0063—Density
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/08—Copolymers of ethene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
JP59077184A 1984-04-17 1984-04-17 ポリエチレン押出発泡体の製造方法 Granted JPS60220725A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP59077184A JPS60220725A (ja) 1984-04-17 1984-04-17 ポリエチレン押出発泡体の製造方法
US06/723,835 US4649001A (en) 1984-04-17 1985-04-16 Process for producing polyethylene extruded foams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59077184A JPS60220725A (ja) 1984-04-17 1984-04-17 ポリエチレン押出発泡体の製造方法

Publications (2)

Publication Number Publication Date
JPS60220725A JPS60220725A (ja) 1985-11-05
JPH0423655B2 true JPH0423655B2 (en, 2012) 1992-04-22

Family

ID=13626724

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59077184A Granted JPS60220725A (ja) 1984-04-17 1984-04-17 ポリエチレン押出発泡体の製造方法

Country Status (1)

Country Link
JP (1) JPS60220725A (en, 2012)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6183211A (ja) * 1984-09-29 1986-04-26 Toray Ind Inc ポリエチレン系発泡体の製造方法
US4692269A (en) * 1985-09-25 1987-09-08 Pennwalt Corporation Gas-releasing composition for tailoring gas evolution of system
LU86529A1 (fr) * 1986-07-25 1988-02-02 Labofina Sa Procede de production de mousse de polyolefines reticulees et mousses ainsi obtenues
EP0254705A3 (fr) * 1986-07-25 1990-03-14 Fina Research S.A. Procédé de production de mousse de polyoléfines réticulées et mousses ainsi obtenues
JP2005255988A (ja) * 2004-02-10 2005-09-22 Sumitomo Chemical Co Ltd 押出発泡成形用エチレン−α−オレフィン共重合体および押出発泡成形品

Also Published As

Publication number Publication date
JPS60220725A (ja) 1985-11-05

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