GB2019412B - Cross-linked low density linear polyethylenes - Google Patents

Cross-linked low density linear polyethylenes

Info

Publication number
GB2019412B
GB2019412B GB7911916A GB7911916A GB2019412B GB 2019412 B GB2019412 B GB 2019412B GB 7911916 A GB7911916 A GB 7911916A GB 7911916 A GB7911916 A GB 7911916A GB 2019412 B GB2019412 B GB 2019412B
Authority
GB
United Kingdom
Prior art keywords
cross
low density
density linear
linear polyethylenes
linked low
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
GB7911916A
Other languages
English (en)
Other versions
GB2019412A (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.)
Raychem Ltd
Original Assignee
Raychem 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
Priority claimed from US05/894,511 external-priority patent/US4275180A/en
Application filed by Raychem Ltd filed Critical Raychem Ltd
Publication of GB2019412A publication Critical patent/GB2019412A/en
Application granted granted Critical
Publication of GB2019412B publication Critical patent/GB2019412B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/4471—Terminating devices ; Cable clamps
    • G02B6/4476—Terminating devices ; Cable clamps with heat-shrinkable elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/26—Polyalkenes
    • B01D71/261—Polyethylene
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/003—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor characterised by the choice of material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/20—Conductive material dispersed in non-conductive organic material
    • H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
    • H02G15/1806—Heat shrinkable sleeves

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Optics & Photonics (AREA)
  • Dispersion Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Graft Or Block Polymers (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
GB7911916A 1978-04-07 1979-04-05 Cross-linked low density linear polyethylenes Expired GB2019412B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/894,511 US4275180A (en) 1977-04-12 1978-04-07 Polymer compositions

Publications (2)

Publication Number Publication Date
GB2019412A GB2019412A (en) 1979-10-31
GB2019412B true GB2019412B (en) 1982-09-15

Family

ID=25403178

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7911916A Expired GB2019412B (en) 1978-04-07 1979-04-05 Cross-linked low density linear polyethylenes

Country Status (3)

Country Link
JP (1) JPS559677A (enrdf_load_html_response)
BE (1) BE875387A (enrdf_load_html_response)
GB (1) GB2019412B (enrdf_load_html_response)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425174A (en) 1980-09-17 1984-01-10 Raychem Limited Method of making heat shrinkable articles
US4427725A (en) 1982-02-11 1984-01-24 Raychem Limited Dimensionally-recoverable article
US6100357A (en) * 1988-12-19 2000-08-08 Viskase Corporation Heat shrinkable very low density polyethylene terpolymer film

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322575A (en) 1978-12-13 1982-03-30 Raychem Limited Flame retardant compositions
JPS56152853A (en) * 1980-04-30 1981-11-26 Nippon Oil Co Ltd Polyethylene resin composition
JPS56147838A (en) * 1980-04-18 1981-11-17 Nippon Oil Co Ltd Composition for forming insulation layer
JPS5829841A (ja) * 1981-08-14 1983-02-22 Asahi Chem Ind Co Ltd 改良されたポリエチレン組成物
CA1195792A (en) * 1981-09-16 1985-10-22 William J. Michie, Jr. Drip irrigation tubing cross-linked by irradiation and extrudable tube forming composition
EP0077679A3 (en) * 1981-10-19 1984-07-18 Raychem Limited Fire protection system
JPS58118839A (ja) * 1982-01-08 1983-07-15 Hitachi Cable Ltd 半導電性組成物
ZA832777B (en) * 1982-04-27 1984-11-28 Bp Chem Int Ltd Polyethylene blend and film
US4451536A (en) * 1982-06-15 1984-05-29 National Distillers And Chemical Corporation Heat distortion-resistant thermoplastic semi-conductive composition
JPS58225504A (ja) * 1982-06-23 1983-12-27 住友電気工業株式会社 架橋ポリエチレンケ−ブル
US4816517A (en) * 1982-09-29 1989-03-28 Vulkor, Incorporated Crosslinked polymer interdispersions containing polyolefin and method of making
EP0224281B1 (en) * 1982-10-01 1990-12-27 Raychem Limited Flame retarded cladding
US4525257A (en) * 1982-12-27 1985-06-25 Union Carbide Corporation Low level irradiated linear low density ethylene/alpha-olefin copolymers and film extruded therefrom
GB8300220D0 (en) * 1983-01-06 1983-02-09 Raychem Ltd Arrangement for enclosing substrates
US4631098A (en) * 1983-01-06 1986-12-23 Raychem Limited Heat-recoverable article
US4624720A (en) * 1983-01-06 1986-11-25 Raychem Ltd Dimensionally heat-recoverable article
US4485217A (en) * 1983-04-13 1984-11-27 Mobil Oil Corporation Method for reducing shrinkage of injection molded linear low density polyethylene
US4678836A (en) * 1984-01-03 1987-07-07 The Dow Chemical Company Blends of ethylene/acrylic acid copolymers with linear low density polyethylene
JPS60231747A (ja) * 1984-05-02 1985-11-18 Mitsui Petrochem Ind Ltd 熱可塑性エラストマ−
SE8402396L (sv) * 1984-05-03 1985-11-04 Unifos Kemi Ab Isoleringskomposition for kabel
US4551380A (en) * 1984-05-10 1985-11-05 W. R. Grace & Co., Cryovac Div. Oriented heat-sealable multilayer packaging film
US4514465A (en) * 1984-05-30 1985-04-30 W. R. Grace & Co., Cryovac Div. Storm window film comprising at least five layers
US4643943A (en) * 1984-05-30 1987-02-17 W. R. Grace & Co., Cryovac Div. Multi-layer polyolefin shrink film
US4614764A (en) * 1985-03-06 1986-09-30 Mobil Oil Corporation Linear low density ethylene polymers blended with modified linear low density ethylene polymers
JPS61225236A (ja) * 1985-03-30 1986-10-07 Mitsubishi Cable Ind Ltd 樹脂組成物
JPS61228045A (ja) * 1985-03-30 1986-10-11 Mitsubishi Cable Ind Ltd 樹脂組成物
GB8614369D0 (en) * 1986-06-12 1986-07-16 Raychem Ltd Blocking arrangement
US4839235A (en) * 1986-06-30 1989-06-13 W. R. Grace & Co. Oxygen barrier film
JPS6372746A (ja) * 1986-09-17 1988-04-02 Nippon Oil Co Ltd 熱可塑性エラストマ−組成物
US4760116A (en) * 1986-11-26 1988-07-26 E. I. Du Pont De Nemours And Company Monolayer polyethylene shrink film
JPH0356517A (ja) * 1989-07-26 1991-03-12 Sumitomo Bakelite Co Ltd シラングラフトマー及び絶縁電線の製造方法
US5508319A (en) * 1991-06-21 1996-04-16 Montell North America Inc. High melt strength, ethylene polymer, process for making it, and use thereof
DE4313153C1 (de) * 1993-04-22 1994-05-05 Stewing Nachrichtentechnik Verfahren zur Verminderung der Rißanfälligkeit bei einer wärmerückstellbaren Werkstoffbahn
GB9310235D0 (en) * 1993-05-18 1993-06-30 Raychem Ltd Heat-shrinkable article
DE4337116A1 (de) * 1993-10-29 1995-05-04 Cellpack Gmbh Schlauchförmige Kunstoffolie, ihre Verwendung und Verfahren zu ihrer Herstellung
US6593386B1 (en) 1999-09-13 2003-07-15 Sealed Air Corporation (U.S.) Compitable linear and branched ethylenic polymers and foams therefrom
WO2006054926A1 (en) * 2004-11-16 2006-05-26 Borealis Technology Oy A crosslinkable polyethylene composition, an electric cable comprising it, and a process for its preparation
US20170073487A1 (en) 2014-03-10 2017-03-16 Hickory Springs Manufacturing Company High temperature non-crosslinked polyethylene-based foam and method of making the same
WO2021124138A1 (en) 2019-12-17 2021-06-24 Pirelli Tyre S.P.A. Metallic reinforcing cord for tyres for vehicle wheels
CN114787435B (zh) 2019-12-17 2023-09-01 倍耐力轮胎股份公司 用于制造车辆车轮的轮胎的金属增强帘线的方法和设备
JP2023097144A (ja) 2021-12-27 2023-07-07 国立大学法人大阪大学 ガラス粉末複合体、及びガラス粉末複合体の製造方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425174A (en) 1980-09-17 1984-01-10 Raychem Limited Method of making heat shrinkable articles
US4427725A (en) 1982-02-11 1984-01-24 Raychem Limited Dimensionally-recoverable article
US6100357A (en) * 1988-12-19 2000-08-08 Viskase Corporation Heat shrinkable very low density polyethylene terpolymer film
US6197909B1 (en) 1988-12-19 2001-03-06 Curwood, Inc. Heat shrinkable C2C4C6 terpolymer film

Also Published As

Publication number Publication date
GB2019412A (en) 1979-10-31
BE875387A (fr) 1979-10-08
JPH0322416B2 (enrdf_load_html_response) 1991-03-26
JPS559677A (en) 1980-01-23

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Legal Events

Date Code Title Description
713A Proceeding under section 13 patents act 1977
PE20 Patent expired after termination of 20 years

Effective date: 19990404