EP2976772A1 - Fil verni - Google Patents

Fil verni

Info

Publication number
EP2976772A1
EP2976772A1 EP14710595.1A EP14710595A EP2976772A1 EP 2976772 A1 EP2976772 A1 EP 2976772A1 EP 14710595 A EP14710595 A EP 14710595A EP 2976772 A1 EP2976772 A1 EP 2976772A1
Authority
EP
European Patent Office
Prior art keywords
insulation
winding
wire
primary insulation
adhesion promoter
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.)
Withdrawn
Application number
EP14710595.1A
Other languages
German (de)
English (en)
Inventor
Roxana Haase
Johann Reicher
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.)
Schwering and Hasse Elektrodraht GmbH
Original Assignee
Schwering and Hasse Elektrodraht 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 Schwering and Hasse Elektrodraht GmbH filed Critical Schwering and Hasse Elektrodraht GmbH
Priority to EP14710595.1A priority Critical patent/EP2976772A1/fr
Publication of EP2976772A1 publication Critical patent/EP2976772A1/fr
Withdrawn legal-status Critical Current

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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/30—Windings characterised by the insulating material
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/40—Windings characterised by the shape, form or construction of the insulation for high voltage, e.g. affording protection against corona discharges

Definitions

  • the invention relates to an enameled wire, in particular enameled copper wire, wherein a surface of a winding wire forming a core of the enameled wire is completely or substantially completely coated with a primary insulation of a lacquer polymer and wherein an outer surface of the primary insulation is partially coated with a secondary insulation of an impregnation polymer.
  • Enameled wires of the aforementioned type are known in practice in principle.
  • the known from practice paint wires are initially provided with a primary insulation.
  • windings for producing magnetic fields are produced therefrom with different winding techniques.
  • these windings are treated by impregnation with a secondary insulation to achieve better heat dissipation, better electrical strength and better mechanical resistance.
  • conventional packing wires can achieve specific packing densities (slot fill factors) and thus efficiencies of the electrical equipment.
  • the packing density can be further increased, with the disadvantage of a possibly reduced adhesion between primary and secondary insulation and the consequent significant disadvantages due, inter alia, to air inclusions Failure of the devices can lead in the case of application.
  • the invention is therefore based on the technical problem of specifying an enameled wire of the type mentioned, can be achieved with the high packing densities in electrical windings, which is characterized by a high mechanical
  • the invention is the technical problem of specifying a method for producing a coil wound with this enameled wire and applying a secondary insulation.
  • the invention teaches an enameled wire of the type mentioned, which is characterized in that partially between the primary insulation and the secondary insulation, a primer layer of a bonding agent is arranged and / or that the primary insulation and / or the secondary insulation of the adhesion promoter contains.
  • the adhesion promoter or the adhesion promoter layer is arranged from the adhesion promoter between the primary insulation and the secondary insulation. It is within the scope of the invention that the adhesion promoter improves the temperature resistance and / or the partial discharge resistance of the enameled wire.
  • the enameled wire according to the invention for the production of winding bodies in particular of possibly winding coreless coils is used.
  • the winding wire is a copper winding wire or an aluminum winding wire. It is within the scope of the invention that the winding wire has a round or substantially round cross section or an elongated or oval cross section.
  • the primary insulation has at least one layer of the lacquer polymer. Empfohlene endeavor contains the primary insulation at least two and preferably a plurality or plurality of layers preferably of the lacquer polymer.
  • the primary insulation of up to 30 is preferably the same or substantially the same
  • the primary insulation is formed from a plurality or multiplicity of lacquer polymer layers, wherein at least two and preferably all layers of the primary insulation are different from one another.
  • the thicknesses of the layers forming the primary insulation decrease with increasing spacing of the individual layers from the winding wire.
  • the primary insulation extends over the entire length or essentially over the entire length of the winding wire, and preferably the primary insulation surrounds the winding wire completely or essentially completely.
  • the primary insulation expediently forms a jacket completely or essentially completely surrounding the winding wire.
  • the secondary insulation extends only over part of the length of the winding wire.
  • the secondary insulation extends over most of the length of the winding wire and, as recommended, over the full or substantially full length of the winding wire. It is recommended that the secondary insulation extends only over a peripheral portion of the Wickedrahts.
  • a circumferential section of the winding wire is formed with secondary insulation.
  • the secondary insulation has only one layer and preferably several layers of an impregnation polymer.
  • the secondary insulation is made up of a plurality of, for example, different layers.
  • the adhesion promoter layer or the adhesion promoter is arranged only on the areas of the outer surface of the primary insulation, which areas are coated with the secondary insulation.
  • the adhesion promoter layer completely or substantially completely encloses the primary insulation, with the secondary insulation preferably completely or substantially completely enclosing the adhesion promoter layer.
  • the adhesion promoter contains at least one component selected from the group "organic polymer, inorganic polymer, inorganic salt". It is recommended that the organic polymer or the inorganic polymer or the adhesion promoter at least one from the group "polyester resin, polyolefin, polyurethane, organically functionalized silane, amino-functional alkoxysilane, polyethyleneimine, aromatic polyisocyanurate, epoxy resin, silane, siloxane, polysiloxane, Aminosiloxane "selected component contains.
  • the adhesion promoter used for the adhesion promoter layer contains at least one silicon-containing compound and particularly preferably at least one silicon-oxygen-containing compound.
  • a highly recommended embodiment of the invention is characterized in that the adhesion promoter contains at least one siloxane or at least one polysiloxane. This is preferably a functionalized siloxane or polysiloxane or functionalized siloxanes, polysiloxanes.
  • the adhesion promoter used for the adhesion promoter layer contains at least one amino-functional polysiloxane and / or at least one alkoxy-functional polysiloxane.
  • the adhesion promoter used for the adhesion promoter layer contains silica or finely divided silica. It is within the scope of the invention that the adhesion promoter used for the adhesion promoter layer comprises at least one polysiloxane, preferably a functionalized polysiloxane - preferably at least one amino-functional polysiloxane and / or at least one alkoxy-functional polysiloxane - and silica or finely divided silica. It is also within the scope of the invention that a one-component system or a two-component system is used as adhesion promoter for the adhesion promoter layer.
  • Empfohlene note contains a component or at least one component - in one embodiment, both components - at least one polysiloxane or a functionalized polysiloxane - preferably at least one amino-functional polysiloxane and / or at least one alkoxy-functional polysiloxane and preferably silica or finely divided silica.
  • both components - has a solvent.
  • an organic extinguishing agent and / or water is used as the solvent. It has proven useful to use at least one organic solvent or an organic solvent from the group "aliphatic hydrocarbon, aromatic hydrocarbon, alcohol, glycol". In principle, however, other organic solvents can also be used.
  • the adhesion promoter used for the primer layer or a component of this primer - both components of the primer - a mixture or solution of at least one polysiloxane or at least one functionalized polysiloxane, silica or finely divided silica and at least one solvent,
  • the proportion of the mixture of the at least one polysiloxane or the at least one functionalized polysiloxane and the silica / fumed silica in the mixture / solution 2 to 14% by weight preferably 2.5 to 1 1 wt .-% and preferably 2 to 9.5 wt .-% is.
  • the proportion of the silica or highly disperse silica in the mixture of the at least one polysiloxane and the silica is preferably 8 to 22 wt .-%, preferably 10 to 20 wt .-% and particularly preferably 12 to 18 wt .-%.
  • a two-component system is used as adhesion promoter for the adhesion promoter layer, wherein one component contains at least one amino-functional polysiloxane, preferably an amino-functional polysiloxane and the other component at least one alkoxy-functional polysiloxane or an alkoxy-functional polysiloxane.
  • Empfohlene note contains at least one component, preferably both components contain silica or finely divided silica and although expediently with the above-mentioned proportion.
  • aminosiloxane has one of the following structural formulas:
  • radicals R 1 and R 2 are a hydrogen atom or an alkyl radical.
  • the radicals R 1 and R 2 may be the same or different.
  • the aminosiloxane has the structural formula
  • radicals R 1 and R 2 are the same or different and are preferably a hydroxy group, an alkyl group or an alkoxy group.
  • the functional group X may be an alkylene group, preferably a methylene group or ethylene group or propylene group.
  • the lacquer polymer or primary insulation comprises at least one selected from the group "polyurethane, polyesterimide, polyesteramideimide, polyester, polyamideimide, polyamide, polyimide, imide-modified polyamideimide, wax-modified polyamideimide, polysiloxane-modified polyamideimide, polytetrafluoroethylene-modified polyamideimide, sheet silicate -modified paint "selected component.
  • a particularly preferred embodiment of the invention is characterized in that the lacquer polymer of the primary insulation contains or comprises at least one polyamideimide and / or at least one polyesterimide.
  • the main component of the lacquer polymer of the primary insulation consists of polyamide-imide and / or polyester-imide.
  • the lacquer polymer of the primary insulation expediently has an outer layer of at least one polysiloxane-modified polyamide-imide.
  • the polyesterimide comprises a tris-hydroxyethyl isocyanurate polyesterimide (THEIC polyesterimide).
  • TEEIC polyesterimide tris-hydroxyethyl isocyanurate polyesterimide
  • the polyesterimide is a THEIC polyesteramideimide.
  • the polyester contains a tris-hydroxyethyl isocyanurate polyester (THEIC polyester).
  • TEEIC polyester tris-hydroxyethyl isocyanurate polyester
  • the polyester is a THEIC polyester.
  • the lacquer polymer of the primary insulation is functionalized or modified with modifying units.
  • the modifying units are siloxanes or polysiloxanes.
  • Such siloxane-modified or polysiloxane-modified coating polymers or base polymers are described in more detail in DE 10 2010 039 168 A1.
  • a particularly proven embodiment of the invention is characterized in that the lacquer polymer of the primary insulation has at least one or a siloxane-modified or polysiloxane-modified polyamide-imide. -
  • the layer thickness of the primary insulation is otherwise preferably from 5 to 200 ⁇ m, preferably from 10 to 100 ⁇ m.
  • at least one additional adhesion layer is arranged between the primary insulation and the winding wire.
  • the adhesion layer is advantageously formed from an adhesive material, which adhesive material is identical to the adhesion promoter. In principle, however, it is also possible that the adhesive material is different from the adhesion promoter.
  • the primary insulation is characterized by a low sliding friction coefficient, so that windings of high packing densities of the enameled wire can preferably be achieved during the processing of an enameled wire according to the invention. Due to the low coefficient of sliding friction of the primary insulation, it is ensured that, in the winding process, the windings of a further winding layer of the winding wire coated with the primary insulation slide into the depressions formed between two juxtaposed winding wires coated with the primary insulation of the underlying winding layer. In this way, high packing densities are easily achieved.
  • a coefficient of friction d of the primary coating according to the invention is less than or equal to 0.130.
  • the coefficient of friction d is expediently determinable by a friction test wire / steel in accordance with DIN EN 60851-3 method B.
  • the impregnation polymer of the secondary insulation comprises at least one component selected from the group "polyesterimide, unsaturated polyester resin, silicone resin, silicone-containing plastic, silicone rubber, epoxy resin, polyester-melamine-modified resin, polyurethane, alkyd / phenolic resin".
  • the impregnation polymer consists essentially of at least one of the group "polyesterimide, unsaturated polyester resin, silicone resin, epoxy resin,
  • the impregnation polymer of the secondary insulation comprises at least one unsaturated polyester or at least one unsaturated polyester resin.
  • the polyurethane is a water-based polyurethane It has been found advantageous that the epoxy resin is a phenol-modified epoxy resin the impregnation polymer at least one pigment, for example titanium dioxide.-Particularly preferably, the secondary isolation does not give any volatile organic compounds (VOCs) to the It is recommended that the secondary insulation is VOC-free.
  • the thickness of the adhesion promoter layer of the adhesion promoter is preferably less than the thickness of the primary insulation and / or the thickness of the secondary insulation. Thickness in particular means the extent of the primary insulation, the adhesion promoter layer or the secondary insulation transverse to the longitudinal direction of the winding wire. It is recommended that the primer layer has a thickness of 0.1 to 10 ⁇ and preferably from 01 to 7 ⁇ . The thickness of the adhesion promoter layer is preferably less than 5 ⁇ m. According to one embodiment, the primary insulation has a thickness of for example 2 to 80 ⁇ and preferably from 4 to 60 ⁇ . Conveniently, the primary insulation has a greater thickness than the secondary insulation. Alternatively, the secondary insulation has a greater thickness than the primary insulation.
  • the outer surface of the secondary insulation means a surface of the secondary insulation facing away from the adhesion promoter and / or the primary insulation and preferably visible to a viewer. If several windings of the enameled wire coated with the primary insulation, the adhesion promoter and the secondary insulation are juxtaposed, for example, on a winding core, the outer surface of the secondary insulation of the juxtaposed enamel wire windings is completely or essentially completely covered by the protective layer or by a potting compound.
  • the invention for solving the technical problem teaches a method for producing a wound body having a plurality of windings of an enameled wire, wherein a surface of a reeling wire forming a core of the enameled wire is completely or substantially completely coated with a primary insulation of a lacquered polymer, preferably the winding body has at least one winding of the winding wire coated at least with the primary insulation, wherein an outer surface of the primary insulation of the winding wire coated with the primary insulation is at least partially coated with a secondary insulation of an impregnation polymer, at least in regions between the outer surface of the primary insulation and the secondary insulation
  • Adhesive layer is arranged from a bonding agent and / or wherein the bonding agent wi introduced into the primary insulation and / or in the secondary insulation approx.
  • the adhesive layer is disposed between the primary insulation and secondary insulation.
  • the primary insulation is first applied to the winding wire.
  • the winding body has a winding core around which winding core of the winding wire is wound or that the winding body is formed without winding core.
  • the adhesion promoter layer is then preferably applied from the adhesion promoter at least in some areas, after which the secondary insulation is then applied to the adhesion promoter layer.
  • the primary insulation is formed on the winding wire by, for example, a wet paint is preferably applied to the winding wire in a paint bath.
  • a wet paint is preferably applied to the winding wire in a paint bath.
  • excess, absorbed by the winding wire wet paint is stripped in the context of the invention by means of a paint nozzle of the winding wire.
  • the coated with the wet paint winding wire is heated, wherein contained in the wet paint solvent removed and / or in the wet paint contained Lackpolymergrundstoffen be polymerized to form the paint polymer.
  • the coated with the wet paint winding wire is heated with the proviso that preferably a solvent which solvent forms the wet paint together with the paint polymer is merely evaporated, whereby the layer of the paint polymer or the primary insulation is formed. It is possible that a plurality of lacquer polymer layers are applied to the winding wire to form the primary insulation.
  • the winding wire coated with the primary insulation is impregnated and / or dripped with the adhesion promoter.
  • the winding wire coated with the primary insulation is sprayed with the adhesion promoter.
  • the adhesion promoter is particularly preferred.
  • the winding wire coated with the adhesion promoter is heated to activate the adhesion promoter.
  • the bonding agent layer is preferably activated on a winding core or on a surface of the winding wire facing away from the winding surrounded by the windings.
  • the adhesion promoter is applied to a portion of the outer surface of the winding wire, which portion of the outer surface is uncovered or free.
  • the fact that the portion of the outer surface is free or uncovered means in the context of the invention that no further windings of the winding wire or enameled wire are deposited on the portion of the outer surface.
  • the portion of the outer surface is preferably the portion of the surface of the primary insulating coated winding wire, for example, visible to an observer.
  • the adhesion promoter is applied only to the uncovered portion of the outer surface of the wound with the primary insulation winding wire.
  • Primary insulation is applied.
  • the secondary insulation is applied to the primary insulation coated with the adhesion promoter, with the proviso that air pockets between the windings of the coil are excluded.
  • a coil produced by the method according to the invention is characterized by a particular electrical strength.
  • the invention for solving the technical problem teaches a wound body, in particular a coil, preferably with a winding core, with at least one winding of an enameled wire, wherein a surface of a winding wire forming a core of the enameled wire completely or substantially completely with a primary insulation of a lacquer polymer is coated, wherein on a outer surface of the primary insulation, a secondary insulation of an impregnation polymer for forming the enameled wire is arranged, characterized in that between the primary insulation and the secondary insulation at least partially an adhesive layer of a bonding agent is arranged and / or that the adhesion promoter in the primary insulation and / or the secondary insulation is included.
  • the winding body has a plurality of windings of the wound with the primary insulation winding wire.
  • windings of the winding wire or wire coated with the primary insulation preferably form a layer in the longitudinal direction of the winding axis of the winding body. It is within the scope of the invention that preferably a plurality or multiplicity of layers of the windings of the winding wire coated with the primary insulation or of the enameled wire are arranged in layers one above the other.
  • the outermost layer means a layer of the winding wire coated with the primary insulation, which layer represents the surface of the winding body that is visible to a viewer. It is possible that the bonding agent penetrates, for example, in the coating of the wound with the primary insulation winding wire or the winding body in between two adjacent windings arranged spaces. Preferably, internal windings are at least partially coated with the bonding agent.
  • Internal windings means sections and / or layers of the winding wire coated with the primary insulation, which sections and / or layers are arranged between the outermost layer of the windings, which is preferably visible to the viewer, and a cavity or winding core of the winding body. It is possible that the wound with the primary insulation winding wire is only partially coated with the bonding agent.
  • the secondary insulation covers only the outermost layer of the windings. It is possible that the impregnation polymer forming the secondary insulation penetrates intermediate spaces formed between the windings and in this way is disposed on a surface of inner windings formed by the primary insulation and / or the adhesion promoter. According to one embodiment, the impregnation polymer or the secondary insulation is applied to the winding body produced with the proviso on the winding body coated with the primary insulation such that the enameled wire is completely or substantially completely coated with the secondary insulation along its entire length. Especially preferred
  • the application of the adhesion promoter and / or the secondary insulation is carried out in such a way that the intermediate spaces between the windings are particularly preferably filled with the secondary insulation without entrapment of air.
  • the invention is based on the finding that with the enameled wire according to the invention and the method according to the invention, a wound body consisting of a multiplicity of enameled wire windings can be produced, wherein the enameled wire windings are distinguished by an advantageously high winding density.
  • a wound body produced by the method according to the invention and the enameled wire according to the invention is characterized by an unexpected mechanical resistance and electrical strength. Due to the fact that the density of the enamel wire windings is optimized by realizing the feature combination according to the invention, the wound bodies produced by the method according to the invention are characterized by an improved performance compared to the reels known from the prior art. It has been shown that
  • inventive method can be carried out on existing systems, which is why the inventive method is also characterized by a special economy.
  • inventive method will be explained in more detail below with reference to a drawing showing only one exemplary embodiment.
  • the single FIGURE shows a cross section through Lackdrahtwicklitch a winding body.
  • a winding body 2 is shown, wherein the winding body 2 has a plurality of Lackdrahtwicklonne 3. It can be seen in the figure that juxtaposed coiled wire windings 3 form a layer 4. Furthermore, it is shown in the figure that a plurality of layers 5 of different layers 4, which layers 4 are each formed from Lackdrahtwicklungen 3, are arranged one above the other.
  • the enameled wire 1 has a core 6, which is preferably formed of copper and in the embodiment. The core 6 is completely surrounded by a jacket formed as a primary insulation 7, which primary insulation 7 according to the exemplary embodiment extends along the entire length of the enameled wire 1.
  • a coating formed from a bonding agent 9 and a secondary insulation 10 is applied.
  • the bonding agent 9 ensures according to the embodiment that the secondary insulation 10 is reliably and permanently connected to the primary insulation 7 of the enameled wire 1.
  • a secondary insulation 10 forming impregnating polymer between the Lackdrahtwicklitch 3 existing interstices 1 1 completely fills.
  • the secondary insulation 10 displaces existing air in the intermediate spaces 11, so that the interspaces 1 1 are filled with the secondary insulation 10 in a gapless or gas-free manner.
  • the primary insulation 7 comprises polyamideimide and / or polyesterimide as the main constituent.
  • the outer layer of the primary insulation 7 is preferably formed by polysiloxane-modified polyamide-imide.
  • the layer thickness of the primary insulation 7 is preferably and in the embodiment 4 to 80 ⁇ .
  • the primer layer 9 is preferred and, according to one embodiment, formed from a two-component system.
  • the first component comprises an amino-functional polysiloxane and finely divided silica, wherein the mixture of the polysiloxane and the silica to 2 to 12 wt .-%, preferably 2.5 to 8 wt .-% is dissolved in an organic solvent.
  • the silica is expediently contained to 8 to 22 wt .-%, preferably 10 to 20 wt .-%.
  • the second component comprises an alkoxy-functional polysiloxane and finely divided silica, wherein the mixture of the polysiloxane and the silica to 4 to 16 wt .-%, preferably 5.5 to 14.5 wt .-% in an organic Solvent is dissolved.
  • the silica is more suitably contained at 8 to 22 wt .-%, preferably 10 to 20 wt .-%.
  • the organic solvent an alcohol or a glycol or an aliphatic or aromatic hydrocarbon can be used. Instead of an organic solvent can be used both for the
  • the first component as well as for the second component also water are used.
  • the first component is preferably mixed with the second component in the ratio 2: 1 to 1: 2, preferably in the ratio 1, 5: 1 to 1: 1, 5, and very preferably in the ratio 1: 1 or in about 1: 1 ,
  • the siloxanes and the silica are expediently contained at 4 to 10 wt .-%, preferably at 5 to 9 wt .-%.
  • the mixture of the two components contains from 3.4 to 4.8% by weight, preferably from 3.6 to 4.4% by weight of alkoxy-functional polysiloxane, from 1.2 to 2.4% by weight, preferably 1, 4 to 2.2 wt .-% amino-functional siloxane and 0.5 bi 1, 5 wt .-%, preferably 0.7 to 1, 3 wt .-% silica.
  • the adhesion promoter layer 9 is formed. In this case, a corresponding crosslinking or curing of the adhesion promoter or the adhesion promoter layer takes place.
  • the secondary insulation 10 as the main component at least one unsaturated polyester.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Organic Insulating Materials (AREA)
  • Insulated Conductors (AREA)
  • Paints Or Removers (AREA)

Abstract

L'invention concerne un fil verni. Une surface d'un fil torsadé formant une âme du fil verni est revêtue intégralement ou sensiblement intégralement d'une isolation primaire composée d'un verni polymère. Une surface externe de l'isolation primaire est revêtue par endroits d'une isolation secondaire composée d'un polymère d'imprégnation. Entre l'isolation primaire et l'isolation secondaire est disposée par endroits une couche d'agent adhésif composée d'un agent adhésif et/ou l'isolation primaire et/ou l'isolation secondaire contient l'agent adhésif.
EP14710595.1A 2013-03-18 2014-03-18 Fil verni Withdrawn EP2976772A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14710595.1A EP2976772A1 (fr) 2013-03-18 2014-03-18 Fil verni

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13159775.9A EP2782103B1 (fr) 2013-03-18 2013-03-18 Fil émaillé
PCT/EP2014/055448 WO2014147091A1 (fr) 2013-03-18 2014-03-18 Fil verni
EP14710595.1A EP2976772A1 (fr) 2013-03-18 2014-03-18 Fil verni

Publications (1)

Publication Number Publication Date
EP2976772A1 true EP2976772A1 (fr) 2016-01-27

Family

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Application Number Title Priority Date Filing Date
EP13159775.9A Active EP2782103B1 (fr) 2013-03-18 2013-03-18 Fil émaillé
EP14710595.1A Withdrawn EP2976772A1 (fr) 2013-03-18 2014-03-18 Fil verni

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP13159775.9A Active EP2782103B1 (fr) 2013-03-18 2013-03-18 Fil émaillé

Country Status (3)

Country Link
EP (2) EP2782103B1 (fr)
CN (1) CN105229752A (fr)
WO (1) WO2014147091A1 (fr)

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CN108300211A (zh) * 2017-12-21 2018-07-20 天津凯华绝缘材料股份有限公司 一种制备压敏电阻和热敏电阻绝缘涂层的方法
CN109679745A (zh) * 2018-12-19 2019-04-26 博罗县润达线缆材料科技有限公司 一种水溶性漆包线表面润滑油及生产方法和应用
CN109627772A (zh) * 2018-12-28 2019-04-16 南京时恒电子科技有限公司 一种耐高温硅橡胶材料及其制备方法和应用
DE102019109455A1 (de) 2019-04-10 2020-10-15 Bayerische Motoren Werke Aktiengesellschaft Wicklung, Rotor sowie Elektromotor
CN111393949A (zh) * 2020-03-31 2020-07-10 苏州巨峰电气绝缘系统股份有限公司 一种自粘漆和耐电晕聚酰亚胺漆及其制备方法
CN111410891A (zh) * 2020-03-31 2020-07-14 苏州巨峰电气绝缘系统股份有限公司 一种自粘性耐电晕聚酰亚胺漆、漆包线及其制备方法
DE102020110265A1 (de) 2020-04-15 2021-10-21 Fatih Gündüz Mittel zur Bekämpfung von Schädlingen und seine Verwendung
DE102020122158B3 (de) 2020-07-10 2021-02-25 Jörg Nass Zahnriemen
DE102020118742B4 (de) 2020-07-15 2022-11-03 Murat Gündüz Verwendung von Silikon als Dichtstoff an besonders exponierten Stellen
DE102022112137A1 (de) 2022-05-14 2023-11-16 Jörg Nass Mittel zum Schutz von Pflanzen und Tieren, Herstellung des Mittels und Verfahren zur Verwendung des Mittels

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Also Published As

Publication number Publication date
EP2782103A1 (fr) 2014-09-24
EP2782103B1 (fr) 2019-06-19
CN105229752A (zh) 2016-01-06
WO2014147091A1 (fr) 2014-09-25

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