[go: up one dir, main page]

SE9003919L - Foerfarande och bestraalningsenhet foer kontinuerlig tvaerbindning av polymera material samt vid foerfarandet anvaendbara fotoinitiatorer - Google Patents

Foerfarande och bestraalningsenhet foer kontinuerlig tvaerbindning av polymera material samt vid foerfarandet anvaendbara fotoinitiatorer

Info

Publication number
SE9003919L
SE9003919L SE9003919A SE9003919A SE9003919L SE 9003919 L SE9003919 L SE 9003919L SE 9003919 A SE9003919 A SE 9003919A SE 9003919 A SE9003919 A SE 9003919A SE 9003919 L SE9003919 L SE 9003919L
Authority
SE
Sweden
Prior art keywords
procedure
polymer
photo
polymer materials
continuous circular
Prior art date
Application number
SE9003919A
Other languages
English (en)
Other versions
SE500503C2 (sv
SE9003919D0 (sv
Inventor
B Raanby
Original Assignee
Inst Polymerutveckling Ab
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 Inst Polymerutveckling Ab filed Critical Inst Polymerutveckling Ab
Priority to SE9003919A priority Critical patent/SE500503C2/sv
Publication of SE9003919D0 publication Critical patent/SE9003919D0/sv
Priority to DE69122362T priority patent/DE69122362T2/de
Priority to EP91850306A priority patent/EP0490854B1/en
Priority to DK91850306.1T priority patent/DK0490854T3/da
Priority to CN91111465A priority patent/CN1062149A/zh
Publication of SE9003919L publication Critical patent/SE9003919L/sv
Publication of SE500503C2 publication Critical patent/SE500503C2/sv

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/28Treatment by wave energy or particle radiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/10Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation for articles of indefinite length
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/13Phenols; Phenolates
    • C08K5/132Phenols containing keto groups, e.g. benzophenones
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/04Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
    • B29C35/045Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
    • B29C2035/047Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames other than air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0827Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using UV radiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04Polymers of ethylene
    • B29K2023/06PE, i.e. polyethylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/24Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised 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
    • C08J2323/04Homopolymers or copolymers of ethene

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
SE9003919A 1990-12-07 1990-12-07 Förfarande och bestrålningsenhet för kontinuerlig tvärbindning av polyeten SE500503C2 (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE9003919A SE500503C2 (sv) 1990-12-07 1990-12-07 Förfarande och bestrålningsenhet för kontinuerlig tvärbindning av polyeten
DE69122362T DE69122362T2 (de) 1990-12-07 1991-12-06 Verfahren und Vorrichtung zum kontinuierlichen Vernetzen von Polymerwerkstoffen und für diese Reaktion geeignete Photo-Initiatoren
EP91850306A EP0490854B1 (en) 1990-12-07 1991-12-06 Process and equipment for continuous crosslinking of polymeric materials and useful photo-initiators for the reaction
DK91850306.1T DK0490854T3 (sv) 1990-12-07 1991-12-06
CN91111465A CN1062149A (zh) 1990-12-07 1991-12-07 聚合物材料的连续化交联方法和设备及用于该方法的新型光引发剂

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9003919A SE500503C2 (sv) 1990-12-07 1990-12-07 Förfarande och bestrålningsenhet för kontinuerlig tvärbindning av polyeten

Publications (3)

Publication Number Publication Date
SE9003919D0 SE9003919D0 (sv) 1990-12-07
SE9003919L true SE9003919L (sv) 1992-06-08
SE500503C2 SE500503C2 (sv) 1994-07-04

Family

ID=20381133

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9003919A SE500503C2 (sv) 1990-12-07 1990-12-07 Förfarande och bestrålningsenhet för kontinuerlig tvärbindning av polyeten

Country Status (5)

Country Link
EP (1) EP0490854B1 (sv)
CN (1) CN1062149A (sv)
DE (1) DE69122362T2 (sv)
DK (1) DK0490854T3 (sv)
SE (1) SE500503C2 (sv)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4336748C3 (de) * 1992-11-17 2001-09-06 Ciba Sc Holding Ag Verfahren zur Blitztrocknung und Blitzhärtung, Verwendung des Verfahrens und dafür geeignete Vorrichtungen
FR2710344B1 (fr) * 1993-09-21 1995-11-17 Inst Francais Du Petrole Compositions de polyéthylènes réticulables, utilisées notamment pour la fabrication de tubes et de gaines flexibles.
US5993922A (en) * 1996-03-29 1999-11-30 Cryovac, Inc. Compositions and methods for selectively crosslinking films and improved film articles resulting therefrom
US5983923A (en) * 1996-04-10 1999-11-16 Lsp Products Group, Inc. Water service box and connectors for PEX pipe
CN1058932C (zh) * 1996-05-24 2000-11-29 四川联合大学 辐照增容方法制备高阻隔性高密度聚乙烯材料
US6709742B2 (en) 1998-05-18 2004-03-23 Dow Global Technologies Inc. Crosslinked elastic fibers
CN1068952C (zh) * 1998-12-25 2001-07-25 中国科学技术大学 光交联聚烯烃绝缘电缆的生产方法及其光交联设备
US6125881A (en) 1999-04-12 2000-10-03 Lsp Products Group, Inc. Dual drain outlet box
US6696154B2 (en) * 1999-07-27 2004-02-24 Pirelli Cavi E Sistemi S.P.A. Cable, in particular for transport or distribution of electrical energy and insulating composition
EP1075030B1 (de) * 1999-08-04 2005-04-06 Siemens Aktiengesellschaft Isolierter bandförmiger Supraleiter mit oxidischem Hoch-Tc-Supraleitermaterial sowie Verfahren zur Isolation des Supraleiters
KR100424072B1 (ko) * 1999-09-07 2004-03-22 한국과학기술연구원 내마모성이 향상된 초고분자량 폴리에틸렌 및 그의 제조방법
IL140541A0 (en) * 2000-12-25 2002-02-10 Syfan Saad 99 Ltd Improved process for the manufacture of thermoplastic shrink films
EP1340788A3 (de) * 2002-02-22 2004-03-17 Nexans Verfahren zur Herstellung eines Compounds auf Basis eines thermoplastischen Kunststoffs
EP1860214B1 (en) 2002-03-11 2009-04-29 Dow Global Technologies Inc. Reversible, heat-set, elastic fibers, and method of making and articles made from same
JP4400915B2 (ja) 2002-03-11 2010-01-20 ダウ グローバル テクノロジーズ インコーポレイティド 可逆性ヒートセットされた弾性繊維、および、その製造法、ならびに、それらより製造された製品。
FI20045439L (sv) * 2004-11-15 2006-05-16 Maillefer Sa Förfarande i en extrusionsprocess, en extrusionprocess, en anläggning för en extrusionsprocess och ett extruderat stycke
US8678804B2 (en) * 2005-09-30 2014-03-25 Leibniz-Institut Fuer Polymerforschung Dresden E.V. Apparatus for the continuous modification of polymers in the free-flowing state by means of electron radiation
US20090068427A1 (en) 2005-10-26 2009-03-12 Dow Global Technologies Inc. Multi-layer, elastic articles
CN100420705C (zh) * 2005-11-21 2008-09-24 中国科学院长春应用化学研究所 交联型脂肪族聚碳酸酯的制备方法
US8153243B2 (en) 2005-12-09 2012-04-10 Dow Global Technologies Llc Interpolymers suitable for multilayer films
US7744803B2 (en) 2006-08-02 2010-06-29 Shawcor Ltd. Photo-crosslinkable polyolefin compositions
CN100500412C (zh) * 2007-03-30 2009-06-17 华南理工大学 一种熔融聚合物本体光化学反应装置
US8034396B2 (en) 2008-04-01 2011-10-11 Tyco Healthcare Group Lp Bioadhesive composition formed using click chemistry
CN102171234A (zh) * 2008-08-05 2011-08-31 康奈尔大学 光交联核酸水凝胶
US8877170B2 (en) 2009-02-21 2014-11-04 Sofradim Production Medical device with inflammatory response-reducing coating
AU2010215200A1 (en) 2009-02-21 2011-10-13 Sofradim Production Apparatus and method of reaching polymers by exposure to UV radiation to produce injectable medical devices
EP2398850B1 (en) 2009-02-21 2018-08-22 Sofradim Production Medical devices with an activated coating
US8663689B2 (en) 2009-02-21 2014-03-04 Sofradim Production Functionalized adhesive medical gel
CA2753165A1 (en) 2009-02-21 2010-08-26 Sofradim Production Compounds and medical devices activated with solvophobic linkers
WO2010095049A1 (en) 2009-02-21 2010-08-26 Sofradim Production Crosslinked fibers and method of making same by extrusion
AU2010215192B2 (en) 2009-02-21 2015-04-30 Sofradim Production Amphiphilic compounds and self-assembling compositions made therefrom
US8968733B2 (en) 2009-02-21 2015-03-03 Sofradim Production Functionalized surgical adhesives
US8968818B2 (en) 2009-02-21 2015-03-03 Covidien Lp Medical devices having activated surfaces
EP2398943B1 (en) 2009-02-21 2013-04-17 Sofradim Production Crosslinked fibers and method of making same using uv radiation
EP2398523B1 (en) 2009-02-21 2018-04-04 Covidien LP Medical devices having activated surfaces
US9039979B2 (en) 2009-02-21 2015-05-26 Sofradim Production Apparatus and method of reacting polymers passing through metal ion chelated resin matrix to produce injectable medical devices
US8535477B2 (en) 2009-02-21 2013-09-17 Sofradim Production Medical devices incorporating functional adhesives
US8512728B2 (en) 2009-02-21 2013-08-20 Sofradim Production Method of forming a medical device on biological tissue
EP2550034B1 (en) 2010-03-25 2015-01-07 Sofradim Production Surgical fasteners and methods for sealing wounds
WO2011117744A2 (en) 2010-03-25 2011-09-29 Sofradim Production Medical devices incorporating functional adhesives
US9132209B2 (en) 2010-05-07 2015-09-15 Howmedia Osteonics Corp. Surface crosslinked polyethylene
CA2804263A1 (en) 2010-06-29 2012-01-12 Tyco Healthcare Group Lp Microwave-powered reactor and method for in situ forming implants
AU2011273102A1 (en) 2010-07-01 2013-01-31 Sofradim Production Medical device with predefined activated cellular integration
WO2012014080A2 (en) 2010-07-27 2012-02-02 Sofradim Production Polymeric fibers having tissue reactive members
BE1020363A3 (nl) * 2011-12-23 2013-08-06 Orfit Ind Werkwijze voor het vervaardigen van een polymeer vel voor gebruik als immobilisatie element.
US9616394B2 (en) 2012-06-05 2017-04-11 3M Innovative Properties Company Graft copolymer functionalized article
CN102766045B (zh) * 2012-07-31 2014-03-05 惠州市华泓新材料有限公司 二苯甲酮衍生物与其作为光引发剂的应用
US9434829B2 (en) 2012-09-27 2016-09-06 3M Innovative Properties Company Ligand grafted substrates
LT2992044T (lt) * 2013-05-03 2022-03-25 Uponor Innovation Ab Poliolefino vamzdis
US9775928B2 (en) 2013-06-18 2017-10-03 Covidien Lp Adhesive barbed filament
GB2525453A (en) * 2014-04-23 2015-10-28 Uponor Innovation Ab Polyolefin pipe
FR3024797B1 (fr) * 2014-08-07 2016-07-29 Nexans Cable comprenant une couche reticulee
CN104277283B (zh) * 2014-09-05 2017-10-10 广州大禹防漏技术开发有限公司 一种紫外光交联的聚烯烃类防水膜及其制备方法
CN104496810A (zh) * 2014-11-24 2015-04-08 四川泸天化股份有限公司 一种4-羟基二苯甲酮月桂酸酯的制备方法
BR112017012641B1 (pt) 2014-12-17 2021-07-13 Saint-Gobain Performance Plastics Corporation Tubo compósito, seu método de formação e aparelho
CN106478420B (zh) * 2016-09-27 2019-02-01 四川泸天化股份有限公司 一种回收4-羟基二苯甲酮月桂酸酯的方法
CN106777456A (zh) * 2016-11-10 2017-05-31 哈尔滨理工大学 一种uv‑led辐照元件温度场分析监控方法
CN107029964A (zh) * 2017-06-16 2017-08-11 江苏固立得精密光电有限公司 一种用于线缆固化的uv‑led固化机
CN107639864A (zh) * 2017-08-31 2018-01-30 广州枫叶管业有限公司 一种交联聚乙烯管成型工艺及其成型系统
IL257535B (en) 2018-02-14 2020-01-30 N3 Coat Ltd Benzophenone compounds as light catalysts for polyolefins
EP3613554A1 (en) * 2018-08-21 2020-02-26 Crosslink Finland Oy A method and a system for manufacturing a polymer pipe
CN110922514A (zh) * 2019-12-20 2020-03-27 中广核达胜加速器技术有限公司 一种聚醋酸乙烯酯的制备方法及装置
CN112171979A (zh) * 2020-09-15 2021-01-05 深圳市永成光电子股份有限公司 一种旋转式uv固化机构
CN112694655A (zh) * 2020-12-22 2021-04-23 上海新上化高分子材料有限公司 耐温125℃紫外光交联聚乙烯绝缘料及其制备方法
DE102021133731A1 (de) 2021-12-17 2023-06-22 Delo Industrie Klebstoffe Gmbh & Co. Kgaa Vorrichtung zum Voraktivieren und Dosieren einer aktinisch härtbaren Masse und Verwendung der Vorrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0330705B1 (de) * 1988-02-29 1992-03-11 Linde Aktiengesellschaft Verfahren und Vorrichtung zur Behandlung von Gegenständen mit Elektronenstrahlung und/oder elektromagnetischer Strahlung unter Schutzgas

Also Published As

Publication number Publication date
DE69122362D1 (de) 1996-10-31
SE500503C2 (sv) 1994-07-04
EP0490854B1 (en) 1996-09-25
DK0490854T3 (sv) 1997-03-17
EP0490854A2 (en) 1992-06-17
DE69122362T2 (de) 1997-05-15
EP0490854A3 (en) 1992-09-16
SE9003919D0 (sv) 1990-12-07
CN1062149A (zh) 1992-06-24

Similar Documents

Publication Publication Date Title
SE9003919L (sv) Foerfarande och bestraalningsenhet foer kontinuerlig tvaerbindning av polymera material samt vid foerfarandet anvaendbara fotoinitiatorer
EP0566744A4 (en) OPTICAL RESINOUS MATERIAL OF THE REFRACTIVE INDEX TYPE, METHOD FOR THE PRODUCTION THEREOF, AND OPTICAL TRANSMITTER.
GB990235A (en) Improvements in and relating to the production of articles having plastic memory
ATE121954T1 (de) Endoluminale dichtung mit bisdegradierbaren polymeren.
SE7802547L (sv) Sett att anbringa en isolering av tverbunden polymer pa en kabelledare
GB2204873B (en) Method and apparatus for making polymer material
AT380024B (de) Thermoplastischer masterbatch zur herstellung von kunststoffolien mit antiblocking-eigenschaften
DK0773864T3 (da) Apparat og fremgangsmåde til ekstrudering og ekstruderet termoplastisk polymer
GB2019412A (en) Cross-Linked Low Density Linear Polyethylenes
DE2967317D1 (en) A method for the continuous extrusion and blowing of thin films of plastics material, in particular rigid pvc
SE9504273D0 (sv) Rör och sätt för framställning därav
DE3882030D1 (de) Herstellung von polymeren folien.
ES500649A0 (es) Procedimiento para preparar productos consistentes en polimeros sinteticos expandidos yno reticulados, particularmente los polimeros de poliolefina o estireno
SE8301513D0 (sv) Torkning av plastfolieklipp
ES2105124T3 (es) Procedimiento de preparacion de polimeros reticulados que contienen grupos carboxilicos.
JPS5215588A (en) Process for polymerizing liquid olefin polymers
JPS51111337A (en) Method of image formation with polymer film containing ionic materials
Ranby Process and equipment for continuous crosslinking of polymeric materials and useful photo-initiators for the reaction
AU546729B2 (en) Molecular orientation of plastics
SE8005042L (sv) Polymera elektrolyter
JPS5448864A (en) Heat-shrinkable crosslinked polyethylene resin film and its production
JPS5233938A (en) Curing inmolding of polyolefn polymer
JPS5215587A (en) Process for polymerizing liquid olefin polymers
ATE163661T1 (de) Verfahren zur herstellung eines kunststoffschaumes
JPS6449624A (en) Polymer film to which stiffening segment is mounted partially and manufacture and usage thereof