EP1716580B1 - Verfahren zur herstellung von beschichteten elektrischen drähten - Google Patents

Verfahren zur herstellung von beschichteten elektrischen drähten Download PDF

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Publication number
EP1716580B1
EP1716580B1 EP05707891A EP05707891A EP1716580B1 EP 1716580 B1 EP1716580 B1 EP 1716580B1 EP 05707891 A EP05707891 A EP 05707891A EP 05707891 A EP05707891 A EP 05707891A EP 1716580 B1 EP1716580 B1 EP 1716580B1
Authority
EP
European Patent Office
Prior art keywords
use according
weight
radical
oxirane
baking
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.)
Not-in-force
Application number
EP05707891A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1716580A1 (de
Inventor
Marcus Meichsner
Günter STEVENS
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.)
Altana Electrical Insulation GmbH
Original Assignee
Altana Electrical Insulation GmbH
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 Altana Electrical Insulation GmbH filed Critical Altana Electrical Insulation GmbH
Priority to PL05707891T priority Critical patent/PL1716580T3/pl
Publication of EP1716580A1 publication Critical patent/EP1716580A1/de
Application granted granted Critical
Publication of EP1716580B1 publication Critical patent/EP1716580B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01B3/40—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 epoxy resins
    • 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
    • H01B3/308—Wires with resins

Definitions

  • the present invention relates to a process for producing coated electric wires.
  • winding carriers used for the production of motors, solenoids, solenoids and generators are often exposed to strong mechanical loads. Especially with high-speed rotors, the resulting centrifugal and centripetal forces, which act on the windings of the moving components, quite considerable.
  • windings are fixed at an early stage. This is done by impregnation with impregnating varnishes or impregnating resins.
  • the impregnating varnishes or impregnating resins must be hardened. This is usually achieved by oven hardening the component at elevated temperatures over an extended period of time.
  • baked enamels which were particularly in the field of deflection coil production in the TV technology made their entry.
  • the principle of the baked coatings is based on the thermoplastic property, which allows bonding of the finished painted wires after winding the coil.
  • the baked enamel layer which is expediently applied over an existing base insulation of the enameled wire, is first melted, wherein the interwinding spaces are partially filled with the molten thermoplastic and thus glue the individual windings over the thermoplastic.
  • EP 1 096 510 the use of polyvinyl acetals (PVA) is described.
  • PVA polyvinyl acetals
  • the DE 28 43 895 C3 relates to the curing of successive wire enamel layers by means of UV light.
  • the described goal was in particular the avoidance of the solvents.
  • the object of the present invention is to provide a baked enamel which is solvent-free and curable by UV light.
  • the baked coatings according to the invention are free from solvents of any kind, with water also counting as solvent.
  • Suitable for the production of baked enamels is 3,4-epoxycyclohexylmethyl-3,4-epoxycyclohexanecarboxylate, which is available under the name "Cyracure UVR 6110" from Union Carbide Corporation.
  • Suitable aromatic dicarboxylic acids and / or dicarboxylic acid dimethyl esters are, for example, isophthalic acid, terephthalic acid, terephthalic acid dimethyl ester, naphthalenedicarboxylic acid dimethyl ester. Particularly preferred are isophthalic acid and dimethyl terephthalate.
  • Suitable aliphatic dicarboxylic acids are, for example, adipic acid, azelaic acid and decanedicarboxylic acid, with adipic acid being particularly preferred.
  • Suitable polyols include ethylene glycol, propylene glycol, neopentyl glycol and 1,4-butanediol. Mixtures of ethylene glycol and neopentyl glycol have proven particularly advantageous for the described application.
  • Suitable UV crosslinking catalyst b) is preferably a photoinitiator suitable for cationic photopolymerization, or an initiator mixture.
  • Preferred for the baked enamines of the present invention is the mixed arylsulfonium hexafluorophosphate salt of the following form used.
  • component b) may also contain other customary UV crosslinking catalysts.
  • reactive diluents c preference is given to low molecular weight oxiranes, oxetanes and the like. into consideration with the oxiranes according to the invention copolymerizable compounds.
  • polyester polyols having molecular weights between 500 and 2000 g / mol are advantageous, preferably polyester polyols having an average molecular weight between 500 and 1000 g / mol.
  • leveling agents e it is possible to use surface-modified polydisiloxanes, for example the "Byk 306" from Byk Chemie GmbH.
  • Example 1 Preparation of a dioxirane from polyethylene glycol 400 and methyl 3,4-epoxycyclohexanecarboxylate (dioxirane I)
  • 31.2 g of methyl 3,4-epoxycyclohexanecarboxylats are mixed with 97 g of dimethyl terephthalate, 15.5 g of ethylene glycol and 26.0 g of neopentyl glycol, with nitrogen as a protective gas, mixed with 0.2 g of tetrabutyl titanate and with elimination of 38, 4 g of methanol transesterified at 180-200 ° C. 131.5 g of a waxy polyester dioxirane are obtained.
  • 31.2 g of methyl 3,4-epoxycyclohexanecarboxylate are mixed with 73 g of adipic acid, 15.5 g of ethylene glycol and 26.0 g of neopentyl glycol, with nitrogen as inert gas, mixed with 0.2 g of tetrabutyl titanate and with elimination of 6, 4 g of methanol and 18 g of water at 180 - 200 ° C esterified. 121.5 g of a waxy polyester dioxirane are obtained.
  • UV-curable baked enamels were formulated from the oxiranes prepared:
  • a UV-curable lacquer is prepared from 32.5 g of Cyracure UVR 6110, 30 g of dioxirane III, 5 g of photoinitiator, 30 g of methyl 3,4-epoxy-cyclohexanecarboxylate and 2.5 g of flow additive.
  • the components are homogeneously mixed to a colorless transparent varnish with 790 mPa s.
  • a UV-curable lacquer is prepared from 52.5 g of Cyracure UVR 6110, 40 g of dioxirane 1, 5 g of photoinitiator and 2.5 g of flow additive. The components are mixed homogeneously to form a colorless transparent paint with 670 mPa s.
  • a UV-curable lacquer is prepared from 67.5 g Cyracure UVR 6110, 25 g Desmophen 670 polyester polyol, 5 g photoinitiator and 2.5 g leveling additive. The components are homogeneously mixed to a colorless transparent lacquer with 2340 mPa s.
  • the baked enamines prepared according to the invention were by Düsenabstreifclar on a copper wire with 0.30 mm bare wire diameter, conventionally coated with a commercially available polyesterimide wire enamel with an overall diameter increase of 50 microns, at 10 - 80 ° C and cured by UV light.
  • the UV source used was a microwave-excited high-pressure mercury vapor radiator.
  • the power of the spotlight was between 25 and 100 watts per cm. Reflector and radiator form a resonator unit.

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Organic Insulating Materials (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Processes Specially Adapted For Manufacturing Cables (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Polyethers (AREA)
  • Insulated Conductors (AREA)
EP05707891A 2004-02-20 2005-01-24 Verfahren zur herstellung von beschichteten elektrischen drähten Not-in-force EP1716580B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05707891T PL1716580T3 (pl) 2004-02-20 2005-01-24 Sposób wytwarzania powlekanych przewodów elektrycznych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004008365A DE102004008365A1 (de) 2004-02-20 2004-02-20 Verfahren zur Herstellung von beschichteten elektrischen Drähten
PCT/EP2005/050384 WO2005081266A1 (de) 2004-02-20 2005-01-24 Verfahren zur herstellung von beschichteten elektrischen drähten

Publications (2)

Publication Number Publication Date
EP1716580A1 EP1716580A1 (de) 2006-11-02
EP1716580B1 true EP1716580B1 (de) 2008-01-16

Family

ID=34832861

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05707891A Not-in-force EP1716580B1 (de) 2004-02-20 2005-01-24 Verfahren zur herstellung von beschichteten elektrischen drähten

Country Status (11)

Country Link
US (1) US20070243318A1 (pt)
EP (1) EP1716580B1 (pt)
JP (1) JP5424532B2 (pt)
AT (1) ATE384332T1 (pt)
BR (1) BRPI0507803B1 (pt)
DE (2) DE102004008365A1 (pt)
ES (1) ES2299004T3 (pt)
MX (1) MXPA06009426A (pt)
PL (1) PL1716580T3 (pt)
PT (1) PT1716580E (pt)
WO (1) WO2005081266A1 (pt)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2645540A1 (de) * 2012-03-28 2013-10-02 Siemens Aktiengesellschaft Glimmschutzwerkstoff für eine elektrische Maschine
US10186924B2 (en) 2011-12-15 2019-01-22 Siemens Aktiengesellschaft Method for producing a corona shield, fast-curing corona shield system, and electric machine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005040126A1 (de) * 2005-08-25 2007-03-01 Altana Electrical Insulation Gmbh Überzugsmasse
DE102014221715A1 (de) 2014-10-24 2016-04-28 Siemens Aktiengesellschaft Tränkharz, Leiteranordnung, elektrische Spule und elektrische Maschine

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US4090936A (en) * 1976-10-28 1978-05-23 Minnesota Mining And Manufacturing Company Photohardenable compositions
DE2843895C3 (de) * 1978-10-07 1981-11-26 Felten & Guilleaume Carlswerk AG, 5000 Köln Verfahren zur Herstellung von mit Lack isolierten elektrischen Leiterdrähten
JPS56130013A (en) * 1980-03-17 1981-10-12 Furukawa Electric Co Ltd Method of producing self-adhesive insulated wire
US4362263A (en) * 1980-04-24 1982-12-07 Westinghouse Electric Corp. Solderable solventless UV curable enamel
US4357219A (en) * 1980-06-27 1982-11-02 Westinghouse Electric Corp. Solventless UV cured thermosetting cement coat
US4629779A (en) * 1983-10-27 1986-12-16 Union Carbide Corporation Low viscosity adducts of a polycaprolactone polyol and a polyepoxide
US4554730A (en) * 1984-01-09 1985-11-26 Westinghouse Electric Corp. Method of making a void-free non-cellulose electrical winding
JPS61101917A (ja) * 1984-10-24 1986-05-20 日立化成工業株式会社 自己融着性絶縁電線の製造方法
EP0221559A3 (en) * 1985-11-07 1988-09-14 Union Carbide Corporation Photocopolymerizable compositions based on epoxy and hydroxyl-containing organic materials
CA1312040C (en) * 1985-12-19 1992-12-29 Joseph Victor Koleske Conformal coatings cured with actinic radiation
US4857562A (en) * 1987-01-30 1989-08-15 General Electric Company UV curable epoxy resin compositions with delayed cure
US4929305A (en) * 1987-01-30 1990-05-29 General Electric Company Method of bonding using UV curable epoxy resin compositions with delayed cure
US5290602A (en) * 1992-10-19 1994-03-01 Union Carbide Chemicals & Plastics Technology Corporation Hindered-hydroxyl functional (meth) acrylate-containing copolymers particularly suitable for use in coating compositions which are sprayed with compressed fluids as viscosity reducing diluents
JPH0812924A (ja) * 1994-06-29 1996-01-16 Hitachi Cable Ltd 自己融着性塗料及び自己融着性絶縁電線
JP3786480B2 (ja) * 1996-10-14 2006-06-14 Ｊｓｒ株式会社 光硬化性樹脂組成物
CO4790198A1 (es) * 1997-08-04 1999-05-31 Abb Power T And D Company Inc Metodo y aparato para la fabricacion de una bobina electrica arrollada helicoidalmente con aislamiento variable
JPH11323095A (ja) * 1998-05-21 1999-11-26 Nippon Kayaku Co Ltd 光カチオン重合性エポキシ樹脂系固形組成物及び物品
JPH11335442A (ja) * 1998-05-25 1999-12-07 Nippon Kayaku Co Ltd 光カチオン重合性エポキシ樹脂系固形組成物及び物品
DE19951709A1 (de) * 1999-10-27 2001-05-03 Alcatel Sa Elektrischer Leiter mit rechteckigem oder quadradischem Querschnitt
US6350792B1 (en) * 2000-07-13 2002-02-26 Suncolor Corporation Radiation-curable compositions and cured articles
JP2002050249A (ja) * 2000-08-01 2002-02-15 Sekisui Chem Co Ltd 表面被覆線材の製造方法及び表面被覆用組成物

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10186924B2 (en) 2011-12-15 2019-01-22 Siemens Aktiengesellschaft Method for producing a corona shield, fast-curing corona shield system, and electric machine
EP2645540A1 (de) * 2012-03-28 2013-10-02 Siemens Aktiengesellschaft Glimmschutzwerkstoff für eine elektrische Maschine
WO2013143895A3 (de) * 2012-03-28 2014-10-02 Siemens Aktiengesellschaft Glimmschutzwerkstoff für eine elektrische maschine

Also Published As

Publication number Publication date
BRPI0507803B1 (pt) 2012-12-25
EP1716580A1 (de) 2006-11-02
BRPI0507803A (pt) 2007-07-31
PL1716580T3 (pl) 2008-06-30
DE102004008365A1 (de) 2005-09-08
DE502005002569D1 (de) 2008-03-06
PT1716580E (pt) 2008-03-28
JP5424532B2 (ja) 2014-02-26
MXPA06009426A (es) 2007-03-23
ES2299004T3 (es) 2008-05-16
ATE384332T1 (de) 2008-02-15
WO2005081266A1 (de) 2005-09-01
JP2007523455A (ja) 2007-08-16
US20070243318A1 (en) 2007-10-18

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