DE3237392A1 - Verfahren zur herstellung von schaum - Google Patents

Verfahren zur herstellung von schaum

Info

Publication number
DE3237392A1
DE3237392A1 DE19823237392 DE3237392A DE3237392A1 DE 3237392 A1 DE3237392 A1 DE 3237392A1 DE 19823237392 DE19823237392 DE 19823237392 DE 3237392 A DE3237392 A DE 3237392A DE 3237392 A1 DE3237392 A1 DE 3237392A1
Authority
DE
Germany
Prior art keywords
ethylene
ethylene polymer
polyolefin resin
mixture
foam
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
DE19823237392
Other languages
German (de)
English (en)
Other versions
DE3237392C2 (enExample
Inventor
Shibata Nara Hideo
Fukumura Mikio
Doi Shuhei
Inoue Yokkaichi Mie Takayuki
Isaka Tsutomu
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.)
Sekisui Kaseihin Kogyo KK
Sekisui Kasei Co Ltd
Original Assignee
Sekisui Plastics Co Ltd
Sekisui Kaseihin Kogyo KK
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 Sekisui Plastics Co Ltd, Sekisui Kaseihin Kogyo KK filed Critical Sekisui Plastics Co Ltd
Publication of DE3237392A1 publication Critical patent/DE3237392A1/de
Application granted granted Critical
Publication of DE3237392C2 publication Critical patent/DE3237392C2/de
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
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • 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
    • 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
    • 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
    • C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE19823237392 1981-10-08 1982-10-08 Verfahren zur herstellung von schaum Granted DE3237392A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56160720A JPS5861129A (ja) 1981-10-08 1981-10-08 発泡体の製造法

Publications (2)

Publication Number Publication Date
DE3237392A1 true DE3237392A1 (de) 1983-05-19
DE3237392C2 DE3237392C2 (enExample) 1993-07-01

Family

ID=15721007

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823237392 Granted DE3237392A1 (de) 1981-10-08 1982-10-08 Verfahren zur herstellung von schaum

Country Status (9)

Country Link
US (1) US4456704A (enExample)
JP (1) JPS5861129A (enExample)
BE (1) BE894652A (enExample)
CA (1) CA1194650A (enExample)
DE (1) DE3237392A1 (enExample)
FR (1) FR2514363B1 (enExample)
GB (1) GB2110214B (enExample)
IT (1) IT1149100B (enExample)
NL (1) NL189140C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010112346A1 (de) * 2009-04-01 2010-10-07 Tesa Se Verfahren zur herstellung eines geschäumten massesystems

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3310295A1 (de) * 1983-03-22 1984-09-27 Amrotex AG, Glarus Flexibler, geschlossenzellig aus einem polyolefin geschaeumter daemmstoff
FI70916C (fi) * 1983-11-04 1986-10-27 Neste Oy Med vatten uppskummat och med silan tvaerbundet polyolefinskumoch foerfarande foer framstaellning av detta
US4762860A (en) * 1984-11-16 1988-08-09 The Dow Chemical Company Alcohol control of lightly crosslinked foamed polymer production
US4714716A (en) * 1984-11-16 1987-12-22 The Dow Chemical Company Lightly crosslinked linear olefinic polymer foams and process for making
US4694025A (en) * 1984-11-16 1987-09-15 The Dow Chemical Company Alcohol control of lightly crosslinked foamed polymer production
US4734440A (en) * 1984-12-21 1988-03-29 Union Carbide Corporation Foamable compositions
US4581383A (en) * 1985-04-19 1986-04-08 The Dow Chemical Company Lightly crosslinked linear olefinic polymer foam blends and process for making
US4870111A (en) * 1987-02-24 1989-09-26 Astro-Valcour, Incorporated Moldable silane-crosslinked polyolefin foam beads
US5026736A (en) * 1987-02-24 1991-06-25 Astro-Valcour, Inc. Moldable shrunken thermoplastic polymer foam beads
US4702868A (en) * 1987-02-24 1987-10-27 Valcour Incorporated Moldable silane-crosslinked polyolefin foam beads
DE3863425D1 (de) * 1987-02-24 1991-08-01 Astro Valcour Inc Formbare, silanvernetzte polyolefin-schaumteilchen.
US5270367A (en) * 1989-11-29 1993-12-14 Denki Kagaku Kogyo Kabushiki Kaisha Permanent antistatic resin composition
CA2030916C (en) * 1989-11-29 2000-06-13 Makoto Katoh Permanent antistatic resin composition
NO177791C (no) * 1990-02-01 1995-11-22 Kanegafuchi Chemical Ind Fremgangsmåte for fremstilling av polystyrenskum
SE502171C2 (sv) * 1993-12-20 1995-09-04 Borealis Holding As Polyetenkompatibla sulfonsyror som silanförnätningskatalysatorer
SE504455C2 (sv) 1995-07-10 1997-02-17 Borealis Polymers Oy Kabelmantlingskomposition, dess användning samt sätt för dess framställning
EP0852596B1 (en) * 1995-09-29 2000-06-07 The Dow Chemical Company Cross-linked polyolefinic foams and process for their production
US5698144A (en) * 1996-08-08 1997-12-16 Tenneco Protective Packaging, Inc. Process for producing low density polyethylenic foam with atmospheric gases and polyglycols or polyglycol ethers
SE9603595D0 (sv) * 1996-10-02 1996-10-02 Borealis As Halvledande polymerkomposition och kabelmantel som inbegriper denna
US6165387A (en) * 1997-02-04 2000-12-26 Borealis A/S Composition for electric cables
SE9703798D0 (sv) 1997-10-20 1997-10-20 Borealis As Electric cable and a method an composition for the production thereof
SE513362C2 (sv) 1997-11-18 2000-09-04 Borealis As Förfarande för minskning av reaktornedsmutsning
SE9802087D0 (sv) 1998-06-12 1998-06-12 Borealis Polymers Oy An insulating composition for communication cables
SE9802386D0 (sv) 1998-07-03 1998-07-03 Borealis As Composition for elektric cables
SE9804407D0 (sv) 1998-12-18 1998-12-18 Borealis Polymers Oy A multimodal polymer composition
US6124370A (en) * 1999-06-14 2000-09-26 The Dow Chemical Company Crosslinked polyolefinic foams with enhanced physical properties and a dual cure process of producing such foams
DE10016518B4 (de) * 2000-04-03 2009-07-02 Maschinenfabrik Niehoff Gmbh & Co Kg Verfahren und Vorrichtung zur Herstellung eines isolierten Kabels
DE10132678A1 (de) * 2000-07-26 2002-02-07 Henkel Kgaa Alkoxysilylgruppenhaltige Bindemittel und Bindemittelzusammensetzungen, Verfahren zu deren Herstellung und deren Verwendung
US7166248B2 (en) * 2003-01-03 2007-01-23 Pactiv Corporation Reduced VOC emission alkenyl aromatic polymer foams and processes
US20080269424A1 (en) * 2004-11-16 2008-10-30 Borealis Technology Oy Crosslinkable Polyethylene Composition, an Electric Cable Comprising It, and a Process for Its Preparation
JP5005173B2 (ja) * 2005-02-08 2012-08-22 ダイセルノバフォーム株式会社 発泡体用樹脂組成物及びそれを用いた発泡体
EP1760111A1 (en) 2005-08-31 2007-03-07 Borealis Technology Oy Discolour-free silanol condensation catalyst containing polyolefin composition
ES2309858T3 (es) * 2006-04-26 2008-12-16 Borealis Technology Oy Composicion de poliolefina reticulable que comprende un catalizador de condensacion de silanol de alto peso molecular.
ATE446983T1 (de) * 2006-05-30 2009-11-15 Borealis Tech Oy Eine silicon enthaltende verbindung als trocknungsmittel für polyolefinzusammensetzungen
PL1862501T3 (pl) * 2006-05-30 2012-02-29 Borealis Tech Oy Związek zawierający krzem jako środek ułatwiający przetwórstwo kompozycji poliolefinowych zawierających sieciowalną poliolefinę z grupami silanowymi ulegającymi hydrolizie
ES2330130T3 (es) 2006-11-16 2009-12-04 Borealis Technology Oy Metodo para la preparacion de un copolimero de etileno-silano.
EP1942131B1 (en) 2006-12-29 2009-10-21 Borealis Technology Oy Antiblocking agent using crosslinkable silicon-containing polyolefin
EP2065900A1 (en) * 2007-10-23 2009-06-03 Borealis Technology Oy Semiconductive polymer composition
EP2075281A1 (en) 2007-12-03 2009-07-01 Borealis Technology OY Polyolefin composition comprising crosslinkable polyolefin with silane groups, silanol condensation catalyst and silicon containing compound
ATE536387T1 (de) 2007-12-20 2011-12-15 Borealis Tech Oy Uv-stabilisierung einer vernetzbaren polyolefinzusammensetzung mit einem sauren silanol-kondensationskatalysator
EP2072571B1 (en) 2007-12-21 2011-10-19 Borealis Technology OY Use of a Polyolefin composition comprising crosslinkable polyolefin with silane groups, silanol condensation catalyst and pigment for the production of a layer on a wire or cable
DE602007002200D1 (de) 2007-12-21 2009-10-08 Borealis Tech Oy Polypropylenzusammensetzung mit einer vernetzbaren dispergierten Phase mit Nanofüllstoffe enthaltenden Silanolgruppen
EP2083047A1 (en) 2008-01-24 2009-07-29 Borealis Technology OY Partially cross-linked polypropylene composition comprising an acidic silanol condensation catalyst
ES2692278T3 (es) 2008-07-09 2018-12-03 Borealis Ag Módulo fotovoltaico que comprende una capa de aislamiento con grupos silano
DE102008043218A1 (de) * 2008-09-24 2010-04-01 Evonik Goldschmidt Gmbh Polymere Werkstoffe sowie daraus bestehende Kleber- und Beschichtungsmittel auf Basis multialkoxysilylfunktioneller Präpolymerer
EA021654B1 (ru) 2009-05-14 2015-08-31 Бореалис Аг Перекрестно сшиваемая полиолефиновая композиция, содержащая силановые группы, образующие кислоту или основание при гидролизе
PL2251365T3 (pl) 2009-05-14 2019-09-30 Borealis Ag Sieciowalna kompozycja poliolefinowa zawierająca grupy silanowe tworzące kwas lub zasadę w wyniku hydrolizy
EP2363267B1 (en) 2010-03-03 2013-08-21 Borealis AG Cross-linkable polyolefin composition comprising two types of silane groups
CA2792989C (en) 2010-03-17 2018-08-14 Borealis Ag Polymer composition for w&c application with advantageous electrical properties
CA2792990C (en) 2010-03-17 2019-05-14 Borealis Ag Polyethylene polymer composition and power cable with improved electrical properties
US9133331B2 (en) 2010-06-21 2015-09-15 Borealis Ag Silane crosslinkable polymer composition
ES2472697T3 (es) 2011-04-07 2014-07-02 Borealis Ag Composición de pol�mero reticulable de silano
PT2508566E (pt) 2011-04-07 2014-07-09 Borealis Ag Composição de polímero de ligação cruzada com silano
JP5614375B2 (ja) * 2011-06-09 2014-10-29 日立金属株式会社 シラン架橋ポリオレフィン絶縁電線
EP2562768B1 (en) 2011-08-26 2014-04-23 Borealis AG Cable comprising a silane crosslinkable polymer composition
EP2562767A1 (en) 2011-08-26 2013-02-27 Borealis AG Article comprising a silane crosslinkable polymer composition
PL2562209T3 (pl) 2011-08-26 2020-07-27 Borealis Ag Kompozycja polimerowa możliwa do sieciowania silanami
EP2636690A1 (en) * 2012-03-07 2013-09-11 Borealis AG Process and plant for manufacturing polyethylene-silane-copolymers
IN2014DN08861A (enExample) 2012-04-27 2015-05-22 Borealis Ag
EP2876132B1 (en) 2013-11-21 2017-04-26 Borealis AG Crosslinkable polyethylene composition comprising a silanol condensation catalyst
US10233310B2 (en) 2013-12-18 2019-03-19 Borealis Ag Polymer composition comprising a crosslinkable polyolefin with hydrolysable silane groups, catalyst and a surfactant interacting additive
WO2015091707A1 (en) 2013-12-18 2015-06-25 Borealis Ag A polymer composition comprising a polyolefin composition and a at least one silanol condensation catalyst
ES2749435T3 (es) 2014-09-18 2020-03-20 Borealis Ag Composición polimérica para una capa de un elemento de capa
TWI609908B (zh) 2014-09-18 2018-01-01 柏列利斯股份公司 用於層元件之層的聚合物組成物
EP3182418B1 (en) * 2015-12-18 2025-04-23 Borealis AG A cable jacket composition, cable jacket and a cable, e.g. a power cable or a communication cable
DE202016004056U1 (de) 2016-06-30 2016-12-15 Borealis Ag Solarzellen-Verkapselungsmaterial-Folien-Rolle
EP3339366A1 (en) 2016-12-22 2018-06-27 Borealis AG A crosslinkable polyolefin composition
US11845836B2 (en) 2018-10-02 2023-12-19 Borealis Ag Cross-linked plastomers as a replacement for rubber
EP3670588B1 (en) 2018-12-21 2021-10-13 Borealis AG Crosslinking acceleratores for silane-group containing polymer compositions
EP3733763A1 (en) 2019-04-30 2020-11-04 Borealis AG Polyethylene composition for improving adhesion to polyurethane resins
EP3778746A1 (en) 2019-08-14 2021-02-17 Borealis AG Uv stabilization of a cross-linkable polyolefin composition comprising an acidic silanol condensation catalyst
EP3778747A1 (en) 2019-08-14 2021-02-17 Borealis AG Uv stabilization of a cross-linkable polyolefin composition comprising an acidic silanol condensation catalyst
EP4222181A1 (en) 2020-09-30 2023-08-09 Borealis AG Ethylene-octene copolymers with improved property profile
EP4023711A1 (en) 2020-12-29 2022-07-06 Borealis AG Highly track resistant polyethylene compounds for wire and cable applications
EP4169976A1 (en) 2021-10-19 2023-04-26 Borealis AG Polyethylene composition for cable insulations with improved uv stability
EP4201985A1 (en) 2021-12-21 2023-06-28 Borealis AG Polymer composition suitable for cable insulation
EP4393989A1 (en) 2022-12-27 2024-07-03 Borealis AG Use of a magnesium hydroxide filler in highly track resistant polyethylene compositions
EP4668292A1 (en) 2024-06-20 2025-12-24 Borealis GmbH Zirconium phosphate as flame retardancy booster for mdh filled silane crosslinked systems

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1907114A1 (de) * 1968-02-19 1969-09-11 Hoechst Ag Verfahren zum Extrudieren von Polyolefinschaeumen
DE2310040A1 (de) * 1972-02-29 1973-09-06 Dow Corning Ltd Schaeumbare polymermassen
DE2406844A1 (de) * 1973-02-14 1974-08-22 Dow Corning Ltd Verfahren zum vernetzen von polyolefinen
EP0001791A2 (en) * 1977-10-21 1979-05-16 The Dow Chemical Company Expandable olefin polymer composition, expanded products made therefrom and method of making the expanded products
DE2758077A1 (de) * 1977-12-24 1979-07-05 Kabel Metallwerke Ghh Nachrichtenkabelader mit geschaeumter isolierung und verfahren zur herstellung
DE2926830A1 (de) * 1978-07-05 1980-01-17 Mitsubishi Petrochemical Co Vernetzbare polyethylen-kunststoffmassen

Family Cites Families (4)

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GB1377737A (en) * 1971-07-15 1974-12-18 Dow Corning Ltd Crosslinking of olefin polymers
US4160072A (en) * 1975-03-20 1979-07-03 Sekisui Kagaku Kogyo Kabushiki Kaisha Foamable and crosslinkable polyethylene composition, process for its production, and process for producing crosslinked polyethylene foams using said composition
DE2713181A1 (de) * 1977-03-25 1978-10-05 Kabel Metallwerke Ghh Verfahren zur herstellung geschaeumter materialien
GB1575961A (en) * 1977-09-07 1980-10-01 Sekisui Chemical Co Ltd Foamable compositions and their use in preparing foams

Patent Citations (6)

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Publication number Priority date Publication date Assignee Title
DE1907114A1 (de) * 1968-02-19 1969-09-11 Hoechst Ag Verfahren zum Extrudieren von Polyolefinschaeumen
DE2310040A1 (de) * 1972-02-29 1973-09-06 Dow Corning Ltd Schaeumbare polymermassen
DE2406844A1 (de) * 1973-02-14 1974-08-22 Dow Corning Ltd Verfahren zum vernetzen von polyolefinen
EP0001791A2 (en) * 1977-10-21 1979-05-16 The Dow Chemical Company Expandable olefin polymer composition, expanded products made therefrom and method of making the expanded products
DE2758077A1 (de) * 1977-12-24 1979-07-05 Kabel Metallwerke Ghh Nachrichtenkabelader mit geschaeumter isolierung und verfahren zur herstellung
DE2926830A1 (de) * 1978-07-05 1980-01-17 Mitsubishi Petrochemical Co Vernetzbare polyethylen-kunststoffmassen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010112346A1 (de) * 2009-04-01 2010-10-07 Tesa Se Verfahren zur herstellung eines geschäumten massesystems
KR101774973B1 (ko) 2009-04-01 2017-09-05 테사 소시에타스 유로파에아 발포 물질 시스템을 생산하는 방법
US10457791B2 (en) 2009-04-01 2019-10-29 Tesa Se Method for producing a self-adhesive

Also Published As

Publication number Publication date
NL189140B (nl) 1992-08-17
FR2514363B1 (fr) 1986-09-05
US4456704A (en) 1984-06-26
FR2514363A1 (fr) 1983-04-15
GB2110214A (en) 1983-06-15
IT1149100B (it) 1986-12-03
JPH0246609B2 (enExample) 1990-10-16
JPS5861129A (ja) 1983-04-12
NL8203896A (nl) 1983-05-02
CA1194650A (en) 1985-10-01
BE894652A (fr) 1983-01-31
IT8249221A0 (it) 1982-10-07
GB2110214B (en) 1985-08-14
NL189140C (nl) 1993-01-18
DE3237392C2 (enExample) 1993-07-01

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