EP2499193A1 - Résine isolante - Google Patents

Résine isolante

Info

Publication number
EP2499193A1
EP2499193A1 EP10765790A EP10765790A EP2499193A1 EP 2499193 A1 EP2499193 A1 EP 2499193A1 EP 10765790 A EP10765790 A EP 10765790A EP 10765790 A EP10765790 A EP 10765790A EP 2499193 A1 EP2499193 A1 EP 2499193A1
Authority
EP
European Patent Office
Prior art keywords
inorganic oxide
insulating resin
oxide nanoparticles
present
resin system
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Withdrawn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
EP10765790A
Other languages
German (de)
English (en)
Inventor
Gernot Swiatkowski
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP2499193A1 publication Critical patent/EP2499193A1/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Withdrawn legal-status Critical Current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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • 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
    • H01B3/47—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 fibre-reinforced plastics, e.g. glass-reinforced plastics

Definitions

  • the present invention relates to the field of insulating resins for composite insulators.
  • the term "insulating resin system” includes and / or encompasses in particular a (preferably low-viscosity) impregnating resin system based on epoxy resin and anhydride component with controlled reactivity Resin still other components (such as the inorganic oxide nanoparticles) may be present.
  • epoxy in particular, that as an off ⁇ transition component - in particular a main component -.
  • An epoxide is used this case, all can be used well-known in the prior art materials, are preferred - without it, to be limited - substances selected from the group comprising epoxy resins based on bisphenol A, bisphenol F, cycloaliphatic epoxides (in particular selected from the group comprising bis (2, 3-epoxycyclopentyl) ethers, 2,3-Epoxycyclopentylglycidylether, 1, 2 Bis (2,3-epoxycyclopentoxy) ethane, 3,4-epoxycyclohexylmethyl-3 ', 4'-epoxycyclohexanecarboxylate or mixtures thereof), glycidyl ester resins, and mixtures thereof
  • the proportion of the inorganic oxide nanoparticles in the resin is from> 0.1% by weight to 10% by weight. This has proved to be favorable for many applications because often the favorable properties of the insulating resin can be achieved without the other properties (e.g.
  • Viscosity of the insulating resin deteriorate significantly.
  • the proportion of inorganic oxide nanoparticles in the resin is preferably from> 1% by weight to 9% by weight, more preferably from 3% by weight to ⁇ 8% by weight.
  • the inorganic oxide nanoparticles have an average diameter of from> 10 nm to> 1000 nm. This has proved beneficial for many applications.
  • the inorganic oxide nanoparticles have an average diameter of> 50 nm to> 700 nm, more preferably ⁇ 100 nm to ⁇ 600 nm.
  • the inorganic oxide nanoparticles are selected from the group consisting of S1O 2 , silicates, clay, T1O 2 , Al 2 O 3 . These materials have proven to be particularly suitable for many applications.
  • a particularly preferred material is Al 2 O 3 , as it has been shown for many applications when using this material that the resulting insulating resin is largely resistant to ⁇ over decomposition products of SF 6 . This represents an important secondary aspect for many applications of the present invention, so that Al 2 O 3 is preferred insofar as the invention is not limited thereto.
  • the inorganic oxide nanoparticles are produced by a plasma process. This has proved favorable for many applications.
  • the inorganic oxide nanoparticles can have a round in Wesentli ⁇ chen shape, but the invention is not so limited.
  • the inorganic oxide nanoparticles may be sharp-edged and / or in platelets and / or wire form.
  • the inorganic oxide nanoparticles are introduced into the resin according to a preferred embodiment by stirring, rolling and / or by using a turbomixer. Possibly.
  • additives may be added to prevent agglomeration, although this has not been found necessary in many applications of the invention.
  • the inorganic oxide nanoparticles may be provided with adhesion promoters (such as silane compounds).
  • the starting materials constituting the insulating resin system comprise a hardener component.
  • the hardener component is preferably selected from the group comprising phthalic anhydride, tetrahydrophthalic anhydride, methylnadic anhydride, hydrogenated methylnadic anhydride, methylhexahydrophthalic anhydride, hexahydrophthalic anhydride, methyltetrahydrophthalic anhydride and derivatives thereof and mixtures thereof. Particular preference is given to methylhexahydrophthalic anhydride, hexahydrophthalic anhydride, methyltetrahydrophthalic anhydride or mixtures thereof.
  • the starting materials constituting the insulating resin system comprise an accelerator component.
  • the accelerator component is selected from the group consisting of dialkylarylamine, Diarylalkylamine and Mi ⁇ mixtures thereof; Dimethylbenzylamine is particularly preferred.
  • aryl or “alkyl” is understood to mean, in particular, the following functionalities: Alkyl: linear and branched C 1 -C 6 -alkyl, in particular
  • Aryl selected from the group comprising: phenyl; biphenyl; Naphthalenyl; anthracenyl; Phenanthrenyl, benzyl
  • the insulating resin system according to the invention may additionally contain additional components such as thinners, defoamers, adhesion promoters, flexibilizers. In this case, all known in the prior art materials can be used.
  • the present invention also relates to a Iso ⁇ lierteil containing a Isolierharzsystem according to the vorlie ⁇ constricting invention.
  • insulating member in particular to an insulating ⁇ collectively
  • a Isolierharzsystem and a roving and / or fabric based on polyester, glass or aramid.
  • the term "embedded” includes and / or includes in particular that the roving and / or tissue is impregnated with the resin. From dielektri ⁇ reasons a vacuum impregnation is preferred.
  • the insulating resin system is prepared in a curing process comprising a curing step at> 50 ° C, preferably 70 ° C and a curing time of> 1 h, preferably ⁇ 2 h. Subsequently, preferably, a post-curing at> 150 ° C u. a curing time of> 10h, most preferably ⁇ 16 h.
  • the present invention also relates to the use of a ⁇ Ver Isolierharzsystems comprising an epoxy-based resin and inorganic oxide nanoparticles as insulating material in electrical switchgear ⁇ .
  • the present invention is - purely illustrative and not restrictive - examined using the present inventive example I.
  • a resin was produced, composed of the following components:
  • the resin was mixed with 3% by weight of Al 2 O 3 nanoparticles (diameter about 100 nm)
  • a comparative resin (not according to the invention) was prepared; this corresponded to the resin system according to the invention, except that no nanoparticles were added.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Organic Insulating Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

L'invention concerne un système de résine isolante pour des isolateurs composites, contenant des nanoparticules d'oxyde inorganiques, notamment AI2O3. Les résines ainsi obtenues présentent une résistance au percement électrique accrue ainsi que de meilleures propriétés mécaniques.
EP10765790A 2009-11-09 2010-10-14 Résine isolante Withdrawn EP2499193A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009053253A DE102009053253A1 (de) 2009-11-09 2009-11-09 Tränkharz für Verbundisolatoren
PCT/EP2010/065427 WO2011054647A1 (fr) 2009-11-09 2010-10-14 Résine isolante

Publications (1)

Publication Number Publication Date
EP2499193A1 true EP2499193A1 (fr) 2012-09-19

Family

ID=43629476

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10765790A Withdrawn EP2499193A1 (fr) 2009-11-09 2010-10-14 Résine isolante

Country Status (4)

Country Link
EP (1) EP2499193A1 (fr)
CN (1) CN102666694A (fr)
DE (1) DE102009053253A1 (fr)
WO (1) WO2011054647A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011083409A1 (de) 2011-09-26 2013-03-28 Siemens Aktiengesellschaft Isoliersysteme mit verbesserter Teilentladungsbeständigkeit, Verfahren zur Herstellung dazu
DE102012205650A1 (de) 2012-04-05 2013-10-10 Siemens Aktiengesellschaft Isolierstoff für rotierende Maschinen
JP2015083663A (ja) * 2013-09-11 2015-04-30 三菱日立パワーシステムズ株式会社 電気絶縁用樹脂組成物及びその硬化物並びにこれを用いたコイル、固定子、回転機及び高電圧機器
DE102013226705A1 (de) 2013-12-19 2015-06-25 Siemens Aktiengesellschaft Durchschlag- und überschlagsichere Gießharzzusammensetzung
DE102015213537A1 (de) * 2015-07-17 2017-01-19 Siemens Aktiengesellschaft Fester, insbesondere bandförmiger, Isolationswerkstoff, Formulierung für ein Imprägniermittel zur Herstellung eines Isolationssystems in einem Vakuumimprägnierverfahren damit und Maschinen mit derartigem Isolationssystem
CN105355268A (zh) * 2015-11-04 2016-02-24 铜陵三佳变压器有限责任公司 一种变压器用耐老化绝缘纸
CN105355266A (zh) * 2015-11-04 2016-02-24 铜陵三佳变压器有限责任公司 一种变压器用高性能阻燃绝缘纸的制备
CN105369671A (zh) * 2015-11-04 2016-03-02 铜陵三佳变压器有限责任公司 一种变压器用特高压复合绝缘纸的制备
CN105355269A (zh) * 2015-11-04 2016-02-24 铜陵三佳变压器有限责任公司 一种含天丝纤维的变压器用复合绝缘纸
EP3188196B1 (fr) 2015-12-28 2020-03-04 General Electric Technology GmbH Appareil électrique moyenne ou haute tension à isolation hybride de faible épaisseur
CN109486004B (zh) * 2018-11-06 2021-06-29 万华化学（宁波）有限公司 一种高介电性聚丙烯三相复合材料及其制备方法和用途

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5576362A (en) * 1992-04-20 1996-11-19 Denki Kagaku Kogyo Kabushiki Kaisha Insulating material and a circuit substrate in use thereof
US6190775B1 (en) * 2000-02-24 2001-02-20 Siemens Westinghouse Power Corporation Enhanced dielectric strength mica tapes
EP1878027A4 (fr) * 2005-05-04 2012-04-11 Abb Research Ltd Materiau d' isolation electrique, dispositif electrique et procede de fabrication de materiau d' isolation electrique
US7964236B2 (en) * 2005-10-18 2011-06-21 Elantas Pdg, Inc. Use of nanomaterials in secondary electrical insulation coatings
CN101423651B (zh) * 2007-11-02 2010-12-15 中国船舶重工集团公司第七二五研究所 低温、高导热、电绝缘环氧树脂纳米复合材料制备工艺

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011054647A1 *

Also Published As

Publication number Publication date
WO2011054647A1 (fr) 2011-05-12
CN102666694A (zh) 2012-09-12
DE102009053253A1 (de) 2011-05-12

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