JPS57191027A - Manufacture of bridged polyolefin continuous foamed material - Google Patents

Manufacture of bridged polyolefin continuous foamed material

Info

Publication number
JPS57191027A
JPS57191027A JP56077638A JP7763881A JPS57191027A JP S57191027 A JPS57191027 A JP S57191027A JP 56077638 A JP56077638 A JP 56077638A JP 7763881 A JP7763881 A JP 7763881A JP S57191027 A JPS57191027 A JP S57191027A
Authority
JP
Japan
Prior art keywords
foamed material
molded
cross linking
resin
bridgeable
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
JP56077638A
Other languages
Japanese (ja)
Other versions
JPS6219294B2 (en
Inventor
Hiroo Ito
Takeo Kasatsugu
Shuji Miura
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.)
Sanwa Kako Co Ltd
Original Assignee
Sanwa Kako Co 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 Sanwa Kako Co Ltd filed Critical Sanwa Kako Co Ltd
Priority to JP56077638A priority Critical patent/JPS57191027A/en
Priority to NZ199958A priority patent/NZ199958A/en
Priority to CA000398468A priority patent/CA1170416A/en
Priority to GB8207719A priority patent/GB2098993B/en
Priority to NLAANVRAGE8201314,A priority patent/NL188653C/en
Priority to DE19823211697 priority patent/DE3211697A1/en
Priority to FR8205739A priority patent/FR2506315B1/en
Priority to IT21415/82A priority patent/IT1151766B/en
Publication of JPS57191027A publication Critical patent/JPS57191027A/en
Publication of JPS6219294B2 publication Critical patent/JPS6219294B2/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
    • C08J9/06—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
    • C08J9/10—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 developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • 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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • 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
    • C08J9/10—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 developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/102—Azo-compounds
    • C08J9/103—Azodicarbonamide
    • 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
    • C08J9/36—After-treatment
    • C08J9/38—Destruction of cell membranes
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
    • C08J2201/026—Crosslinking before of after foaming
    • 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
    • C08J2205/00—Foams characterised by their properties
    • C08J2205/04—Foams characterised by their properties characterised by the foam pores
    • C08J2205/05—Open cells, i.e. more than 50% of the pores are open
    • 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
    • C08J2309/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • 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
    • 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)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cell Biology (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Abstract

PURPOSE: To obtain a bridged polyolefin continuous foamed material which is free of the formation of shrinkage and cavities, good in chemical resistance and water resistance, and useful for heat insulators by a method in which an expandible and bridgeable resin composition is molded and heated under a specific condition for bridging and expansion so as to form the foamed material, and then the foamed material is deformed mechanically.
CONSTITUTION: An expandible, bridgeable resin composition, prepared by mixing a blowing agent (e.g., azodicarbonamide, etc.) and a cross linking agent (e.g., dicumyl peroxide, etc.) with a polyolefin, is molded into a desired form by keeping it under the condition of zero gel reparation factor in which no cross linking reaction occurs. The molded resin is heated under ordinary pressure to cause the concurrent decomposition of the cross linking agent and the blowing agent to take place, and then deformed mechanically to form the foamed material having easily breakable cell membranes. Then, the resin so treated is further deformed mechanically by passing it through uniform-speed two rolls so as to connect the cells together. Thus, a continuous foamed material product is obtained.
COPYRIGHT: (C)1982,JPO&Japio
JP56077638A 1981-05-22 1981-05-22 Manufacture of bridged polyolefin continuous foamed material Granted JPS57191027A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP56077638A JPS57191027A (en) 1981-05-22 1981-05-22 Manufacture of bridged polyolefin continuous foamed material
NZ199958A NZ199958A (en) 1981-05-22 1982-03-09 Producing open-cell foam articles from polyolefines
CA000398468A CA1170416A (en) 1981-05-22 1982-03-16 Method of producing open-cell foamed articles of cross-linked polyolefins
GB8207719A GB2098993B (en) 1981-05-22 1982-03-17 Open-celled foamed olefine polymers (incl polybutanoline)
NLAANVRAGE8201314,A NL188653C (en) 1981-05-22 1982-03-30 METHOD FOR MANUFACTURING A CROSS-TURNED POLYALKEN FOAM WITH OPEN CELL STRUCTURE
DE19823211697 DE3211697A1 (en) 1981-05-22 1982-03-30 METHOD FOR THE PRODUCTION OF OPEN-CELLED FOAMED OBJECTS FROM CROSS-LINKED POLYOLEFINES
FR8205739A FR2506315B1 (en) 1981-05-22 1982-04-02 PROCESS FOR THE PRODUCTION OF CROSS-CROSSLINKED POLYOLEFIN ARTICLES IN THE FORM OF OPEN CELL FOAM
IT21415/82A IT1151766B (en) 1981-05-22 1982-05-21 PRODUCTION PROCESS OF CELL FOAM EXPANDED ARTICLES OPEN FROM CROSS-LINKED POLYOLEFINS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56077638A JPS57191027A (en) 1981-05-22 1981-05-22 Manufacture of bridged polyolefin continuous foamed material

Publications (2)

Publication Number Publication Date
JPS57191027A true JPS57191027A (en) 1982-11-24
JPS6219294B2 JPS6219294B2 (en) 1987-04-27

Family

ID=13639434

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56077638A Granted JPS57191027A (en) 1981-05-22 1981-05-22 Manufacture of bridged polyolefin continuous foamed material

Country Status (8)

Country Link
JP (1) JPS57191027A (en)
CA (1) CA1170416A (en)
DE (1) DE3211697A1 (en)
FR (1) FR2506315B1 (en)
GB (1) GB2098993B (en)
IT (1) IT1151766B (en)
NL (1) NL188653C (en)
NZ (1) NZ199958A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6257432A (en) * 1985-09-06 1987-03-13 Serutekuno:Kk Production of polyethylene open-cell foam
JPS6264530A (en) * 1985-09-17 1987-03-23 Serutekuno:Kk Manufacture of open-cell foam of polyethylene or ethylene copolymer
JPS62112636A (en) * 1985-11-12 1987-05-23 Sanwa Kako Kk Electrically conductive crosslinked polyethylene foam
JPS63125325A (en) * 1986-11-14 1988-05-28 Sekisui Plastics Co Ltd Manufacture of crosslinked polyolefin foam
JP2002322306A (en) * 2001-04-24 2002-11-08 Inoac Corp Open cell crosslinked polyolefin foam and method for producing the same
JP2010037423A (en) * 2008-08-05 2010-02-18 Sanwa Kako Co Ltd Antistatic, crosslinked polyolefin-based open-cellular body and manufacturing method thereof
US7854871B2 (en) 2004-10-18 2010-12-21 Sekisui Chemical Co., Ltd. Method for producing polyolefin-based resin crosslinked foamed sheet and polyolefin-based resin crosslinked foamed sheet
WO2012141154A1 (en) * 2011-04-13 2012-10-18 旭硝子株式会社 Fluorine-containing elastomer composition and fluorine-containing rubber foam

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3430108A1 (en) * 1984-08-16 1986-02-27 Dynamit Nobel Ag, 5210 Troisdorf METHOD FOR PRODUCING CLOSED-CELL-FOAMED MOLDED BODIES FROM CROSS-LINKED POLYOLEFINES
SE508401C2 (en) * 1993-06-09 1998-10-05 Sca Hygiene Prod Ab Absorbent structure and absorbent articles which include the structure in question
DE19840203B4 (en) * 1998-09-03 2008-06-26 Alveo Ag Process for producing squeezed polyolefin foam

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56130A (en) * 1979-06-18 1981-01-06 Sumitomo Chem Co Ltd Preparation of continuous foam body of ethylene polymer or copolymer
JPS56146732A (en) * 1980-04-16 1981-11-14 Sumitomo Chem Co Ltd Preparation of continuous foamed material of ethylene polymer or ethylene copolymer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3394214A (en) * 1964-08-10 1968-07-23 Grace W R & Co Method of increasing the tensile strength of a crosslinked ethylene polymer by compression
US3470119A (en) * 1967-02-27 1969-09-30 Grace W R & Co Process for preparing a foamed crosslinked ethylene polymer
GB1331041A (en) * 1970-09-24 1973-09-19 Atkinson T N Process for the production of expanded thermoplastics materials
JPS56121739A (en) * 1980-03-03 1981-09-24 Sanwa Kako Kk Manufacture of cross-linked polyolefin continuous foamed body

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56130A (en) * 1979-06-18 1981-01-06 Sumitomo Chem Co Ltd Preparation of continuous foam body of ethylene polymer or copolymer
JPS56146732A (en) * 1980-04-16 1981-11-14 Sumitomo Chem Co Ltd Preparation of continuous foamed material of ethylene polymer or ethylene copolymer

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6257432A (en) * 1985-09-06 1987-03-13 Serutekuno:Kk Production of polyethylene open-cell foam
JPS6264530A (en) * 1985-09-17 1987-03-23 Serutekuno:Kk Manufacture of open-cell foam of polyethylene or ethylene copolymer
JPH0511139B2 (en) * 1985-09-17 1993-02-12 Seru Tekuno Kk
JPS62112636A (en) * 1985-11-12 1987-05-23 Sanwa Kako Kk Electrically conductive crosslinked polyethylene foam
JPH0455619B2 (en) * 1985-11-12 1992-09-03 Sanwa Kako Co
JPS63125325A (en) * 1986-11-14 1988-05-28 Sekisui Plastics Co Ltd Manufacture of crosslinked polyolefin foam
JPH0426301B2 (en) * 1986-11-14 1992-05-07 Sekisui Plastics
JP2002322306A (en) * 2001-04-24 2002-11-08 Inoac Corp Open cell crosslinked polyolefin foam and method for producing the same
US7854871B2 (en) 2004-10-18 2010-12-21 Sekisui Chemical Co., Ltd. Method for producing polyolefin-based resin crosslinked foamed sheet and polyolefin-based resin crosslinked foamed sheet
JP2010037423A (en) * 2008-08-05 2010-02-18 Sanwa Kako Co Ltd Antistatic, crosslinked polyolefin-based open-cellular body and manufacturing method thereof
WO2012141154A1 (en) * 2011-04-13 2012-10-18 旭硝子株式会社 Fluorine-containing elastomer composition and fluorine-containing rubber foam
US9200127B2 (en) 2011-04-13 2015-12-01 Asahi Glass Company, Limited Fluorinated elastomer composition and fluorinated foamed rubber

Also Published As

Publication number Publication date
GB2098993B (en) 1984-11-28
FR2506315B1 (en) 1986-04-18
IT1151766B (en) 1986-12-24
NL188653B (en) 1992-03-16
CA1170416A (en) 1984-07-10
NZ199958A (en) 1985-01-31
JPS6219294B2 (en) 1987-04-27
DE3211697A1 (en) 1982-12-09
FR2506315A1 (en) 1982-11-26
GB2098993A (en) 1982-12-01
NL188653C (en) 1992-08-17
IT8221415A0 (en) 1982-05-21
NL8201314A (en) 1982-12-16

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