CA1170416A - Method of producing open-cell foamed articles of cross-linked polyolefins - Google Patents

Method of producing open-cell foamed articles of cross-linked polyolefins

Info

Publication number
CA1170416A
CA1170416A CA000398468A CA398468A CA1170416A CA 1170416 A CA1170416 A CA 1170416A CA 000398468 A CA000398468 A CA 000398468A CA 398468 A CA398468 A CA 398468A CA 1170416 A CA1170416 A CA 1170416A
Authority
CA
Canada
Prior art keywords
cross
composition
heating
blowing agent
linking
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
CA000398468A
Other languages
English (en)
French (fr)
Inventor
Hiroo Ito
Takeo Kasanami
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
Application granted granted Critical
Publication of CA1170416A publication Critical patent/CA1170416A/en
Expired 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)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Molding Of Porous Articles (AREA)
CA000398468A 1981-05-22 1982-03-16 Method of producing open-cell foamed articles of cross-linked polyolefins Expired CA1170416A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56077638A JPS57191027A (en) 1981-05-22 1981-05-22 Manufacture of bridged polyolefin continuous foamed material
JP77638/81 1981-05-22

Publications (1)

Publication Number Publication Date
CA1170416A true CA1170416A (en) 1984-07-10

Family

ID=13639434

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000398468A Expired CA1170416A (en) 1981-05-22 1982-03-16 Method of producing open-cell foamed articles of cross-linked polyolefins

Country Status (8)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3430108C2 (de) * 1984-08-16 1987-03-12 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zum Herstellen von geschlossenzellig verschäumten Formkörpern aus vernetzten Polyolefinen
JPS6264530A (ja) * 1985-09-17 1987-03-23 Serutekuno:Kk ポリエチレンまたはエチレン共重合体の連続気泡体の製造方法
JPS6257432A (ja) * 1985-09-06 1987-03-13 Serutekuno:Kk ポリエチレン類連続気泡体の製造方法
JPS62112636A (ja) * 1985-11-12 1987-05-23 Sanwa Kako Kk 導電性架橋ポリエチレン発泡体の製造方法
JPS63125325A (ja) * 1986-11-14 1988-05-28 Sekisui Plastics Co Ltd 架橋ポリオレフイン系発泡体の製造方法
SE508401C2 (sv) * 1993-06-09 1998-10-05 Sca Hygiene Prod Ab Absorberande struktur och absorberande alster, som innefattar strukturen ifråga
DE19840203B4 (de) * 1998-09-03 2008-06-26 Alveo Ag Verfahren zur Herstellung von gequetschtem Polyolefin-Schaumstoff
JP4782306B2 (ja) * 2001-04-24 2011-09-28 株式会社イノアックコーポレーション 連続気泡架橋ポリオレフィン発泡体及びその製造方法
JP4696074B2 (ja) 2004-10-18 2011-06-08 積水化学工業株式会社 ポリオレフィン系樹脂架橋発泡シートの製造方法及びポリオレフィン系樹脂架橋発泡シート
JP5399019B2 (ja) * 2008-08-05 2014-01-29 三和化工株式会社 帯電防止性架橋ポリオレフィン系連続気泡体及びその製造方法
JP5967080B2 (ja) * 2011-04-13 2016-08-10 旭硝子株式会社 含フッ素エラストマー組成物および含フッ素発泡ゴム

Family Cites Families (6)

* 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
JPS5923545B2 (ja) * 1979-06-18 1984-06-02 住友化学工業株式会社 エチレン重合体または共重合体の連続気泡体の製法
JPS56121739A (en) * 1980-03-03 1981-09-24 Sanwa Kako Kk Manufacture of cross-linked polyolefin continuous foamed body
JPS56146732A (en) * 1980-04-16 1981-11-14 Sumitomo Chem Co Ltd Preparation of continuous foamed material of ethylene polymer or ethylene copolymer

Also Published As

Publication number Publication date
NL188653B (nl) 1992-03-16
FR2506315B1 (fr) 1986-04-18
NL8201314A (nl) 1982-12-16
IT8221415A0 (it) 1982-05-21
IT1151766B (it) 1986-12-24
JPS6219294B2 (ko) 1987-04-27
GB2098993B (en) 1984-11-28
DE3211697A1 (de) 1982-12-09
NZ199958A (en) 1985-01-31
FR2506315A1 (fr) 1982-11-26
GB2098993A (en) 1982-12-01
JPS57191027A (en) 1982-11-24
NL188653C (nl) 1992-08-17

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