CA1194650A - Production of foam - Google Patents

Production of foam

Info

Publication number
CA1194650A
CA1194650A CA000413052A CA413052A CA1194650A CA 1194650 A CA1194650 A CA 1194650A CA 000413052 A CA000413052 A CA 000413052A CA 413052 A CA413052 A CA 413052A CA 1194650 A CA1194650 A CA 1194650A
Authority
CA
Canada
Prior art keywords
ethylene
crosslinked polyethylene
producing crosslinked
polyolefin resin
ethylene polymer
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
CA000413052A
Other languages
English (en)
French (fr)
Inventor
Shuhei Doi
Hideo Shibata
Mikio Fukumura
Takayuki Inoue
Tsutomu Isaka
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
Original Assignee
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 Kaseihin Kogyo KK filed Critical Sekisui Kaseihin Kogyo KK
Priority to JP58161771A priority Critical patent/JPS5966432A/ja
Application granted granted Critical
Publication of CA1194650A publication Critical patent/CA1194650A/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
    • C08J9/0061—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)
CA000413052A 1981-10-08 1982-10-07 Production of foam Expired CA1194650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58161771A JPS5966432A (ja) 1982-10-07 1983-09-02 加橋発泡体の製造法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56160720A JPS5861129A (ja) 1981-10-08 1981-10-08 発泡体の製造法
JP160720/81 1981-10-08

Publications (1)

Publication Number Publication Date
CA1194650A true CA1194650A (en) 1985-10-01

Family

ID=15721007

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000413052A Expired CA1194650A (en) 1981-10-08 1982-10-07 Production of foam

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)

Families Citing this family (79)

* 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
US4702868A (en) * 1987-02-24 1987-10-27 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
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
JP3782458B2 (ja) * 1995-09-29 2006-06-07 ザ ダウ ケミカル カンパニー 架橋ポリオレフィン発泡品およびそれの製造方法
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
PL1849816T3 (pl) * 2006-04-26 2008-12-31 Borealis Tech Oy Sieciowalna kompozycja poliolefinowa zawierająca katalizator kondensacji silanowej o dużej masie cząsteczkowej
ES2331017T5 (es) * 2006-05-30 2013-10-07 Borealis Technology Oy Compuesto que contiene silicio como agente de secado para composiciones de poliolefinas
EP1862501B1 (en) * 2006-05-30 2011-09-28 Borealis Technology Oy A silicon containing compound as processing aid for polyolefin compositions comprising crosslinkable polyolefin with hydrolysable silane groups
ES2330130T3 (es) * 2006-11-16 2009-12-04 Borealis Technology Oy Metodo para la preparacion de un copolimero de etileno-silano.
DE602006009961D1 (de) 2006-12-29 2009-12-03 Borealis Tech Oy Antiblockmittel mit vernetzbarem silicon-enthaltenden Polyolefin
EP2065900A1 (en) * 2007-10-23 2009-06-03 Borealis Technology Oy Semiconductive polymer composition
EP2388294B1 (en) 2007-12-03 2013-05-29 Borealis Technology OY Use of silicon containing drying agent for polyolefin composition comprising crosslinkable polyolefin with silane groups and silanol condensation catalyst
EP2072568B1 (en) 2007-12-20 2011-12-07 Borealis Technology OY UV stabilisation of a cross-linkable polyolefin composition comprising an acidic silanol condensation catalyst
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
ATE440904T1 (de) 2007-12-21 2009-09-15 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
PL2660877T3 (pl) 2008-07-09 2019-05-31 Borealis Ag Moduł fotowoltaiczny zawierający warstwę izolacyjną z grupami silanowymi
DE102008043218A1 (de) * 2008-09-24 2010-04-01 Evonik Goldschmidt Gmbh Polymere Werkstoffe sowie daraus bestehende Kleber- und Beschichtungsmittel auf Basis multialkoxysilylfunktioneller Präpolymerer
DE102009015233A1 (de) 2009-04-01 2010-10-14 Tesa Se Verfahren zur Herstellung eines geschäumten Massesystems
ES2697528T3 (es) 2009-05-14 2019-01-24 Borealis Ag Composición de poliolefina reticulable que comprende grupos silano que forman un ácido o una base por hidrolización
CN102421813B (zh) 2009-05-14 2014-07-09 北欧化工股份公司 包含在水解时形成酸或碱的硅烷基的可交联聚烯烃组合物
EP2363267B1 (en) 2010-03-03 2013-08-21 Borealis AG Cross-linkable polyolefin composition comprising two types of silane groups
US10811164B2 (en) 2010-03-17 2020-10-20 Borealis Ag Polymer composition for W and C application with advantageous electrical properties
BR112012023374B1 (pt) 2010-03-17 2020-06-09 Borealis Ag cabo de alimentação, processo para a produção, composição polimérica e uso da mesma
WO2011160964A1 (en) 2010-06-21 2011-12-29 Borealis Ag Silane crosslinkable polymer composition
PT2508566E (pt) 2011-04-07 2014-07-09 Borealis Ag Composição de polímero de ligação cruzada com silano
EP2508558B1 (en) 2011-04-07 2014-05-21 Borealis AG Silane crosslinkable polymer composition
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
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
EP2562768B1 (en) 2011-08-26 2014-04-23 Borealis AG Cable comprising a silane crosslinkable polymer composition
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
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
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
CA2961268A1 (en) 2014-09-18 2016-03-24 Borealis Ag Polymer composition for a layer of a layer element
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
PL3182418T3 (pl) * 2015-12-18 2025-08-04 Borealis Ag Kompozycja płaszcza kabla, płaszcz kabla i kabel, np. kabel zasilający lub kabel komunikacyjny
DE202016004056U1 (de) 2016-06-30 2016-11-08 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
ES2895255T3 (es) 2018-12-21 2022-02-18 Borealis Ag Aceleradores de la reticulación para composiciones de polímeros que contienen grupos silano
EP3733763A1 (en) 2019-04-30 2020-11-04 Borealis AG Polyethylene composition for improving adhesion to polyurethane resins
EP3778747A1 (en) 2019-08-14 2021-02-17 Borealis AG Uv stabilization of a cross-linkable polyolefin composition comprising an acidic silanol condensation catalyst
EP3778746A1 (en) 2019-08-14 2021-02-17 Borealis AG Uv stabilization of a cross-linkable polyolefin composition comprising an acidic silanol condensation catalyst
CN116194494B (zh) 2020-09-30 2025-04-08 博里利斯股份公司 改善性能特征的乙烯-辛烯共聚物
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

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644230A (en) * 1968-02-19 1972-02-22 Haskon Inc Extrusion process for polyolefin foam
GB1377737A (en) * 1971-07-15 1974-12-18 Dow Corning Ltd Crosslinking of olefin polymers
GB1408154A (en) * 1972-02-29 1975-10-01 Dow Corning Ltd Foamable ethylene polymer compositions
GB1450934A (en) * 1973-02-14 1976-09-29 Dow Corning Ltd Corsslinking process
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
US4214054A (en) * 1977-10-21 1980-07-22 Asahi-Dow Limited Expanded olefin polymer
DE2758077C2 (de) * 1977-12-24 1983-02-17 kabelmetal electro GmbH, 3000 Hannover Nachrichtenkabelader mit geschäumter Isolierung und Verfahren zur Herstellung
JPS559611A (en) * 1978-07-05 1980-01-23 Mitsubishi Petrochem Co Ltd Cross-linkable polyethylene resin composition

Also Published As

Publication number Publication date
FR2514363A1 (fr) 1983-04-15
JPH0246609B2 (enExample) 1990-10-16
FR2514363B1 (fr) 1986-09-05
IT8249221A0 (it) 1982-10-07
DE3237392C2 (enExample) 1993-07-01
DE3237392A1 (de) 1983-05-19
GB2110214B (en) 1985-08-14
GB2110214A (en) 1983-06-15
JPS5861129A (ja) 1983-04-12
NL189140C (nl) 1993-01-18
NL189140B (nl) 1992-08-17
BE894652A (fr) 1983-01-31
US4456704A (en) 1984-06-26
NL8203896A (nl) 1983-05-02
IT1149100B (it) 1986-12-03

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