ES482699A1 - Procedimiento para la obtencion continua de laminas espumadade polietilenos. - Google Patents

Procedimiento para la obtencion continua de laminas espumadade polietilenos.

Info

Publication number
ES482699A1
ES482699A1 ES482699A ES482699A ES482699A1 ES 482699 A1 ES482699 A1 ES 482699A1 ES 482699 A ES482699 A ES 482699A ES 482699 A ES482699 A ES 482699A ES 482699 A1 ES482699 A1 ES 482699A1
Authority
ES
Spain
Prior art keywords
foamed
films
polyethene
preparing
additives
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
ES482699A
Other languages
English (en)
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of ES482699A1 publication Critical patent/ES482699A1/es
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
    • 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
    • C08J9/0014—Use of organic additives
    • C08J9/0023—Use of organic additives containing oxygen
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/05—Use of one or more blowing agents together
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/908—Nucleating agent for cellular product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/909—Blowing-agent moderator, e.g. kickers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Emergency Medicine (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Molding Of Porous Articles (AREA)

Abstract

Procedimiento para la obtención continua de láminas espumadas de polietilenos y/o copolímeros de etileno/acetato de vinilo bajo empleo de axodicarboxilamida como agente de propulsión según procedimientos de soplado de láminas conocidas, caracterizado porque con los polietilenos y/o copolímeros de etileno/acetato de vinilo se polimerizan un 0,1 hasta 1,0% en peso de una sal de calcio de un ácido graso alifático y un 0,4 hasta 2,5% en peso de una sal de zinc de un ácido graso alifático antes o durante la elaboración.
ES482699A 1978-07-22 1979-07-20 Procedimiento para la obtencion continua de laminas espumadade polietilenos. Expired ES482699A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782832287 DE2832287A1 (de) 1978-07-22 1978-07-22 Geschaeumte polyaethylenfolien

Publications (1)

Publication Number Publication Date
ES482699A1 true ES482699A1 (es) 1980-04-16

Family

ID=6045120

Family Applications (1)

Application Number Title Priority Date Filing Date
ES482699A Expired ES482699A1 (es) 1978-07-22 1979-07-20 Procedimiento para la obtencion continua de laminas espumadade polietilenos.

Country Status (7)

Country Link
US (1) US4273880A (es)
EP (1) EP0007517B1 (es)
JP (1) JPS5515898A (es)
CA (1) CA1141118A (es)
DE (2) DE2832287A1 (es)
ES (1) ES482699A1 (es)
FI (1) FI68409C (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4499141A (en) * 1980-10-30 1985-02-12 The Coca-Cola Company Composition for making a plastic closure for liquid product containers
DE3100665A1 (de) * 1981-01-12 1982-08-26 Spiritini, Cuno Geschaeumtes niederdruck-polyethylen, verfahren zur herstellung desselben, sowie dessen verwendung
US4507405A (en) * 1982-06-17 1985-03-26 The Coca-Cola Company Synthetic articles having a cork-like appearance
US20040048012A1 (en) * 1996-11-18 2004-03-11 Weder Donald E. Polymeric materials having a matte finish on a surface thereof
WO2002006386A2 (en) * 2000-07-13 2002-01-24 Marrelli John C Foamed-thermoplastic films

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017371A (en) * 1958-10-09 1962-01-16 Monsanto Chemicals Expandable composition consisting essentially of polyolefin, metal soap and p, p'-oxybis (benzene sulfonyl hydrazide), process for preparing same and wire coated with same
US3321413A (en) * 1964-02-21 1967-05-23 Nat Polychemicals Inc Activated azodicarbonamide blowing agent compositions
US3461087A (en) * 1965-12-15 1969-08-12 Phillips Petroleum Co Method of making a foamable polymer and foamable composition obtained therefrom
AU441076B2 (en) * 1969-07-09 1973-10-03 Gas producing compositions containing azodicarbonamide
US3939237A (en) * 1971-11-19 1976-02-17 Asahi Dow, Ltd. Method of making a fluid transmitting porous tube or sheet
DE2414526A1 (de) * 1974-03-26 1975-10-23 Centre Ind Res Ltd Verfahren zum rotationsformen von polyaethylen

Also Published As

Publication number Publication date
FI792287A (fi) 1980-01-23
CA1141118A (en) 1983-02-15
DE2832287A1 (de) 1980-02-07
EP0007517A1 (de) 1980-02-06
FI68409C (fi) 1985-09-10
EP0007517B1 (de) 1982-04-28
DE2962621D1 (en) 1982-06-09
FI68409B (fi) 1985-05-31
US4273880A (en) 1981-06-16
JPS5515898A (en) 1980-02-04

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990601