EP0229331A1 - Electrically insulating and fire-resistant adhesive mica tape, particularly for electrical cables or optical fibres - Google Patents

Electrically insulating and fire-resistant adhesive mica tape, particularly for electrical cables or optical fibres Download PDF

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Publication number
EP0229331A1
EP0229331A1 EP86117275A EP86117275A EP0229331A1 EP 0229331 A1 EP0229331 A1 EP 0229331A1 EP 86117275 A EP86117275 A EP 86117275A EP 86117275 A EP86117275 A EP 86117275A EP 0229331 A1 EP0229331 A1 EP 0229331A1
Authority
EP
European Patent Office
Prior art keywords
sheet
tape according
adhesive
micaceous
mica paper
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.)
Granted
Application number
EP86117275A
Other languages
German (de)
French (fr)
Other versions
EP0229331B1 (en
Inventor
William Gruss
René c/o Centre National d'Etudes Boulaigre
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.)
Alstom Holdings SA
Original Assignee
Alstom SA
GEC Alsthom SA
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.)
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Application filed by Alstom SA, GEC Alsthom SA filed Critical Alstom SA
Priority to AT86117275T priority Critical patent/ATE62086T1/en
Publication of EP0229331A1 publication Critical patent/EP0229331A1/en
Application granted granted Critical
Publication of EP0229331B1 publication Critical patent/EP0229331B1/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/56—Insulating bodies
    • H01B17/60—Composite insulating bodies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/251—Mica
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31652—Of asbestos
    • Y10T428/31663—As siloxane, silicone or silane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3927—Including a paper or wood pulp layer
    • Y10T442/3935—Mica paper layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/50—FELT FABRIC
    • Y10T442/56—From synthetic organic fiber

Definitions

  • the present invention relates to an electrical insulating micaceous and fire-retardant adhesive tape, in particular for an electrical or optical fiber cable, comprising at least one sheet of mica paper and at least one reinforcement sheet agglomerated to the sheet of mica paper by a binder, the sheet of mica paper being provided on its face opposite to the reinforcement sheet with a layer of adhesive.
  • the object of the present invention is to provide an adhesive tape on the side of the mica paper, the adhesive power of which is preserved for a very long period, which can be bonded at any time on very diverse substrates, and which are moreover sensitive. to pressure, so that a simple contact without pressure does not cause sticking, but which ensures a strong bonding as soon as there is pressure between the tape and the surface on which it is to be bonded.
  • the micaceous insulating tape according to the invention is characterized in that its adhesive consists of a curable silicone resin added with a curing catalyst.
  • the silicone resin is a polysiloxane resin, preferably a methyl-polysiloxane resin.
  • the reinforcement sheet is a glass fabric of grammage between 15 and 90g / m2.
  • the reinforcement sheet is a chain comprising 5 to 12 strands per cm2 and of title EC5-5.5 to EC9-68.
  • the reinforcement sheet consists of a film, a fabric or a felt made of synthetic polymer.
  • the synthetic polymer is a polyester, a polyimide, a polyamide or a polycarbonate or polytetrafluoroethylene.
  • the reinforcement sheet is agglomerated with the micaceous paper sheet using a polysiloxane resin added with a curing catalyst.
  • the sheet of mica paper is made of muscovite or phlogopite mica, preferably of grammage 45g / m2 to 200g / m2.
  • the sheet of mica paper is covered on both sides with a reinforcing sheet, only one of these two sheets being provided with an adhesive resin.
  • the adhesive is a glass fabric with a grammage between 15 and 90g / m2, a chain comprising 5 to 12 strands per cm2 of glass strands of title EC5-5.5 to EC9-68, or a film, a fabric or a synthetic polymer felt coated on one side with an adhesive resin, and on the other side with a binder with the sheet of micaceous paper.
  • a chain title such as E.C. 5.5-5.5 signifies a chain formed from glass strands E, obtained by spinning mode C, into 5.5 tex threads with a diameter of 5 microns.
  • a sheet of phlogopite mica paper at 120 g / m2 is laminated with a binder of methyl-polysiloxane synthetic resin added with 2% by weight of cobalt naphthenate, as hardening catalyst, on a glass fabric of grammage 33 g / m2, the paper mica being coated with the same synthetic resin, but devoid of curing additive.
  • the glass fabric can be replaced by a chain formed from 5 to 12 strands per cm, made of glass thread of 5.5 to 68 tex, of diameter 5 to 9 microns, arranged parallel in the direction of the unwinding of the ribbon on a synthetic polymer film, especially polyester.
  • a sheet of phlogopite mica paper at 80 g / m2 is laminated with a binder of methyl polysiloxane resin, added with 2% by weight of cobalt naphthenate hardener, on a polyester film, in particular of polyethylene terephthalate glycol, 12 microns thick, the mica paper being coated with the same synthetic resin without hardener additive.
  • a 75g / m2 sheet of muscovite mica paper is laminated with a binder of methyl-polysiloxane resin, added with 2% by weight of cobalt naphthenate, between two polyester films 12 microns thick, one of these two films, intended to be placed on the side of the sheath of the cable to be protected, being coated with the same methyl-polysiloxane resin without hardening additive.
  • the adhesive may be, instead of a silicone resin, a glass fabric, a chain of strands of glass threads or a film, fabric or felt of synthetic polymer, of the same kind as the reinforcing sheet mentioned above, and provided on both sides with an adhesive resin, with the addition of a catalyst on the side of the micaceous paper sheet.
  • the electrical insulating and fire-retardant adhesive micaceous tape is particularly suitable for the insulation of electrical or fiber optic conductors, it is also applicable to the insulation of other surfaces which it is desired to protect against fire in electrical engineering. , especially in transformers.

Landscapes

  • Insulated Conductors (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Inorganic Insulating Materials (AREA)
  • Adhesive Tapes (AREA)
  • Insulating Bodies (AREA)
  • Organic Insulating Materials (AREA)
  • Communication Cables (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polarising Elements (AREA)
  • Cable Accessories (AREA)

Abstract

The mica-coated adhesive tape comprises at least one sheet of mica paper and at least one backing sheet bonded to the mica paper sheet by means of a binder, the face of the mica paper sheet away from the backing sheet being coated with an adhesive. The adhesive includes an outer coating of a silicone resin.

Description

La présente invention concerne un ruban micacé isolant électrique et anti-feu adhésif, notamment pour câble électrique ou à fibres optiques, comprenant au moins une feuille de papier mica et au moins une feuille de renforcement agglomérée à la feuille de papier mica par un liant, la feuille de papier mica étant munie sur sa face opposée à la feuille de renforcement d'une couche d'adhésif.The present invention relates to an electrical insulating micaceous and fire-retardant adhesive tape, in particular for an electrical or optical fiber cable, comprising at least one sheet of mica paper and at least one reinforcement sheet agglomerated to the sheet of mica paper by a binder, the sheet of mica paper being provided on its face opposite to the reinforcement sheet with a layer of adhesive.

La présente invention a pour but de procurer un ruban adhésif du côté du papier de mica dont le pouvoir adhésif se conserve pendant une très longue période, que l'on puisse coller à tout moment sur des substrats très divers, et qui sont par ailleurs sensibles à la pression, de sorte qu'un simple contact sans pression ne provoque pas le collage, mais qui assure un collage énergique dès que l'on exerce une pression entre le ruban et la surface sur laquelle on doit le coller.The object of the present invention is to provide an adhesive tape on the side of the mica paper, the adhesive power of which is preserved for a very long period, which can be bonded at any time on very diverse substrates, and which are moreover sensitive. to pressure, so that a simple contact without pressure does not cause sticking, but which ensures a strong bonding as soon as there is pressure between the tape and the surface on which it is to be bonded.

Le ruban micacé isolant selon l'invention est caractérisé en ce que son adhésif est constitué par une résine silicone durcissable addi­tionnée d'un catalyseur de durcissement.The micaceous insulating tape according to the invention is characterized in that its adhesive consists of a curable silicone resin added with a curing catalyst.

Il répond en outre de préférence à au moins l'une des caractéris­tiques suivantes :
- La résine silicone est une résine polysiloxanne, de préférence une résine méthyl-polysiloxanne.
- La feuille de renforcement est un tissu de verre de grammage compris entre 15 et 90g/m².
- La feuille de renforcement est une chaîne comprenant 5 à 12 torons au cm² et de titre E.C.5-5,5 à E.C.9-68.
- La feuille de renforcement est constituée par un film, un tissu ou un feutre en polymère synthétique.
- Le polymère synthétique est un polyester, un polyimide, un polyamide ou un polycarbonate ou le polytétrafluoréthylène.
- La feuille de renforcement est agglomérée avec la feuille de papier micacé à l'aide d'une résine polysiloxanne additionnée d'un catalyseur de durcissement.
- La feuille de papier mica est en mica muscovite ou phlogopite, de préférence de grammage 45g/m² à 200g/m².
- La feuille de papier mica est recouverte sur ses deux faces d'une feuille de renforcement, l'une seule de ces deux feuilles étant munie d'une résine adhésive.
- L'adhésif est un tissu de verre de grammage compris entre 15 et 90g/m², une chaîne comprenant 5 à 12 torons au cm² de fils de verre de titre E.C.5-5,5 à E.C.9-68, ou un film, un tissu ou un feutre de polymère synthétique enduits sur l'une de leurs faces d'une résine adhésive, et sur l'autre face d'un agglomérant avec la feuille de papier micacé.It also preferably meets at least one of the following characteristics:
- The silicone resin is a polysiloxane resin, preferably a methyl-polysiloxane resin.
- The reinforcement sheet is a glass fabric of grammage between 15 and 90g / m².
- The reinforcement sheet is a chain comprising 5 to 12 strands per cm² and of title EC5-5.5 to EC9-68.
- The reinforcement sheet consists of a film, a fabric or a felt made of synthetic polymer.
- The synthetic polymer is a polyester, a polyimide, a polyamide or a polycarbonate or polytetrafluoroethylene.
- The reinforcement sheet is agglomerated with the micaceous paper sheet using a polysiloxane resin added with a curing catalyst.
- The sheet of mica paper is made of muscovite or phlogopite mica, preferably of grammage 45g / m² to 200g / m².
- The sheet of mica paper is covered on both sides with a reinforcing sheet, only one of these two sheets being provided with an adhesive resin.
- The adhesive is a glass fabric with a grammage between 15 and 90g / m², a chain comprising 5 to 12 strands per cm² of glass strands of title EC5-5.5 to EC9-68, or a film, a fabric or a synthetic polymer felt coated on one side with an adhesive resin, and on the other side with a binder with the sheet of micaceous paper.

Un titre de chaîne tel que E.C.5-5,5 signifie une chaîne formée de torons en verre E, obtenue par le mode de filature C, en fils 5,5 tex de diamètre 5 microns.A chain title such as E.C. 5.5-5.5 signifies a chain formed from glass strands E, obtained by spinning mode C, into 5.5 tex threads with a diameter of 5 microns.

Il est décrit ci-après à titre d'exemple trois rubans micacés isolants électriques selon l'invention pour protection contre le feu de câbles électriques.It is described below by way of example three micaceous electrical insulating tapes according to the invention for fire protection of electric cables.

EXEMPLE 1EXAMPLE 1

Une feuille de papier mica phlogopite à 120g/m² est contrecollée par un liant en résine synthétique méthyl-polysiloxanne additionné de 2% en poids de naphténate de cobalt, comme catalyseur de durcissement, sur un tissu de verre de grammage 33g/m², le papier mica étant surlaqué par la même résine synthétique, mais dépourvue d'additif de durcissement.A sheet of phlogopite mica paper at 120 g / m² is laminated with a binder of methyl-polysiloxane synthetic resin added with 2% by weight of cobalt naphthenate, as hardening catalyst, on a glass fabric of grammage 33 g / m², the paper mica being coated with the same synthetic resin, but devoid of curing additive.

Le tissu de verre peut être remplacé par une chaîne formée de 5 à 12 torons par cm, en fil de verre de titre 5,5 à 68 tex, de diamètre 5 à 9 microns, disposés parallèlement dans le sens du déroulement du ruban sur un film de polymère synthétique, notamment de polyester.The glass fabric can be replaced by a chain formed from 5 to 12 strands per cm, made of glass thread of 5.5 to 68 tex, of diameter 5 to 9 microns, arranged parallel in the direction of the unwinding of the ribbon on a synthetic polymer film, especially polyester.

EXEMPLE 2EXAMPLE 2

Une feuille de papier mica phlogopite à 80g/m² est contrecollée par un liant en résine méthyl-polysiloxanne, additionnée de 2% en poids de durcisseur naphténate de cobalt, sur un film de polyester, notamment de poly-téréphtalate d'éthylène glycol, de 12 microns d'épaisseur, le papier mica étant surlaqué par la même résine synthétique sans additif durcisseur.A sheet of phlogopite mica paper at 80 g / m² is laminated with a binder of methyl polysiloxane resin, added with 2% by weight of cobalt naphthenate hardener, on a polyester film, in particular of polyethylene terephthalate glycol, 12 microns thick, the mica paper being coated with the same synthetic resin without hardener additive.

EXEMPLE 3EXAMPLE 3

Une feuille de papier mica muscovite à 75g/m² est contrecollée par un liant en résine méthyl-polysiloxanne, additionné de 2% en poids de naphténate de cobalt, entre deux films de polyester de 12 microns d'épaisseur, l'un de ces deux films, destiné à être disposé du côte de la gaine du câble à protéger, étant surlaqué par la même résine méthyl-polysiloxanne sans additif durcisseur.A 75g / m² sheet of muscovite mica paper is laminated with a binder of methyl-polysiloxane resin, added with 2% by weight of cobalt naphthenate, between two polyester films 12 microns thick, one of these two films, intended to be placed on the side of the sheath of the cable to be protected, being coated with the same methyl-polysiloxane resin without hardening additive.

Comme déjà indiqué ci-dessus l'adhésif peut être, au lieu d'une résine silicone, un tissu de verre, une chaîne de torons de fils de verre ou un film, un tissu ou un feutre de polymère synthétique, de même nature que la feuille de renforcement mentionnée ci-dessus, et muni sur ses deux faces d'une résine adhésive, avec adjonction d'un catalyseur du côté de la feuille de papier micacé.As already indicated above, the adhesive may be, instead of a silicone resin, a glass fabric, a chain of strands of glass threads or a film, fabric or felt of synthetic polymer, of the same kind as the reinforcing sheet mentioned above, and provided on both sides with an adhesive resin, with the addition of a catalyst on the side of the micaceous paper sheet.

Bien que le ruban micacé isolant électrique et anti-feu adhésif convienne particulièrement bien pour l'isolation de conducteurs électri­ques ou à fibres optiques, il est applicable également à l'isolation d'autres surfaces que l'on désire protéger contre le feu en électrotechnique, notamment dans des transformateurs.Although the electrical insulating and fire-retardant adhesive micaceous tape is particularly suitable for the insulation of electrical or fiber optic conductors, it is also applicable to the insulation of other surfaces which it is desired to protect against fire in electrical engineering. , especially in transformers.

Claims (10)

1/ Ruban micacé isolant électrique et anti-feu, adhésif notamment pour câble électrique ou à fibres optiques, comprenant au moins une feuille de papier mica et au moins une feuille de renforcement agglomérée à la feuille de papier mica par un liant, la feuille de papier mica étant munie sur sa face opposée à la feuille de renforcement d'une couche d'adhésif, caractérisé en ce que l'adhésif est constitué par une résine silicone durcissable à froid additionnée d'un catalyseur de durcis­sement.1 / Electrical insulating and fire-retardant micaceous tape, adhesive in particular for electric or optical fiber cables, comprising at least one sheet of mica paper and at least one reinforcing sheet agglomerated to the sheet of mica paper by a binder, the sheet of mica paper being provided on its face opposite the reinforcement sheet with an adhesive layer, characterized in that the adhesive consists of a cold-hardenable silicone resin added with a hardening catalyst. 2/ Ruban micacé selon la revendication 1, caractérisé en ce que la résine silicone est une résine polysiloxanne, de préférence une résine méthyl-polysiloxanne.2 / Micaceous tape according to claim 1, characterized in that the silicone resin is a polysiloxane resin, preferably a methyl-polysiloxane resin. 3/ Ruban micacé selon les revendications 1 ou 2, caractérisé en ce que la feuille de renforcement est un tissu de verre de grammage compris entre 15 et 90g/m².3 / Micaceous tape according to claims 1 or 2, characterized in that the reinforcing sheet is a glass fabric of grammage between 15 and 90g / m². 4/ Ruban selon les revendications 1 ou 2, caractérisé en ce que la feuille de renforcement est une chaîne comprenant 5 à 12 torons au cm² et de titre E.C.5-5,5 à E.C.9-68.4 / Tape according to claims 1 or 2, characterized in that the reinforcing sheet is a chain comprising 5 to 12 strands per cm² and of title E.C.5-5.5 to E.C.9-68. 5/ Ruban selon les revendications 1 ou 2, caractérisé en ce que la feuille de renforcement est constituée par un film, un tissu ou un feutre en polymère synthétique.5 / Tape according to claims 1 or 2, characterized in that the reinforcing sheet consists of a film, a fabric or a felt made of synthetic polymer. 6/ Ruban selon la revendication 5, caractérisé en ce que le polymère synthétique est un polyester, un polyimide, un polyamide ou un poly­carbonate.6 / tape according to claim 5, characterized in that the synthetic polymer is a polyester, a polyimide, a polyamide or a polycarbonate. 7/ Ruban selon l'une des revendications 1 à 6, caractérisé en ce que la feuille de renforcement est agglomérée avec la feuille de papier micacé à l'aide d'une résine polysiloxanne additionnée d'un catalyseur de durcis­sement.7 / Tape according to one of claims 1 to 6, characterized in that the reinforcing sheet is agglomerated with the sheet of micaceous paper using a polysiloxane resin added with a curing catalyst. 8/ Ruban selon l'une des revendications 1 à 7, caractérisé en ce que la feuille de papier mica est en mica muscovite ou phlogopite, de préférence de grammage 45g/m² à 200g/m².8 / Tape according to one of claims 1 to 7, characterized in that the sheet of mica paper is made of muscovite or phlogopite mica, preferably of grammage 45g / m² to 200g / m². 9/ Ruban selon l'une des revendications 1 à 8, caractérisé en ce que la feuille de papier mica est recouverte sur ses deux faces d'une feuille de renforcement, l'une seule de ces deux feuilles étant munie d'une résine adhésive.9 / Tape according to one of claims 1 to 8, characterized in that the sheet of mica paper is covered on its two faces with a reinforcing sheet, only one of these two sheets being provided with an adhesive resin . 10/ Ruban selon l'une des revendications 1 à 9 , caractérisé en ce que l'adhésif est un tissu de verre de grammage compris entre 15 et 90g/m², une chaîne comprenant 5 à 12 torons au cm² de fils de verre de titre E.C.5-5,5 à E.C.9-68, ou un film, un tissu ou un feutre de polymère synthétique enduits sur l'une de leurs faces d'une résine adhésive, et sur l'autre face d'un agglomérant avec la feuille de papier micacé.10 / Tape according to one of claims 1 to 9, characterized in that the adhesive is a glass fabric of grammage between 15 and 90 g / m², a chain comprising 5 to 12 strands per cm² of title glass son EC5-5.5 to EC9-68, or a film, fabric or felt of synthetic polymer coated on one side with an adhesive resin, and on the other side with a binder with the micaceous sheet of paper.
EP86117275A 1985-12-13 1986-12-11 Electrically insulating and fire-resistant adhesive mica tape, particularly for electrical cables or optical fibres Expired - Lifetime EP0229331B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86117275T ATE62086T1 (en) 1985-12-13 1986-12-11 ELECTRICAL INSULATING AND FIREPROOF ADHESIVE MICA TAPE, PARTICULARLY FOR ELECTRICAL CABLES OR OPTICAL FIBERS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8518497 1985-12-13
FR8518497A FR2591793B1 (en) 1985-12-13 1985-12-13 ELECTRICALLY INSULATING AND FIRE-RESISTANT MICACE TAPE, ESPECIALLY FOR ELECTRIC OR FIBER OPTIC CABLE

Publications (2)

Publication Number Publication Date
EP0229331A1 true EP0229331A1 (en) 1987-07-22
EP0229331B1 EP0229331B1 (en) 1991-03-27

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EP86117275A Expired - Lifetime EP0229331B1 (en) 1985-12-13 1986-12-11 Electrically insulating and fire-resistant adhesive mica tape, particularly for electrical cables or optical fibres

Country Status (14)

Country Link
US (1) US4769276A (en)
EP (1) EP0229331B1 (en)
JP (1) JPS62146975A (en)
AT (1) ATE62086T1 (en)
BR (1) BR8606429A (en)
CA (1) CA1274428A (en)
DE (1) DE3678417D1 (en)
DK (1) DK599886A (en)
ES (1) ES2021272B3 (en)
FI (1) FI865087A (en)
FR (1) FR2591793B1 (en)
GR (1) GR3002041T3 (en)
NO (1) NO175918C (en)
PT (1) PT83923B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0687555A2 (en) * 1994-06-13 1995-12-20 Firma Carl Freudenberg Burn-through resistant laminate for aircraft fuselage
DE102010019382A1 (en) 2010-05-04 2011-11-10 Airbus Operations Gmbh Thermal insulating tape with fire protection function and its application in aircraft construction
WO2022166019A1 (en) * 2021-02-04 2022-08-11 湖北平安电工科技股份公司 Preparation method for fire-resistant coated mica tape

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4983432A (en) * 1987-07-30 1991-01-08 E. I. Du Pont De Nemours And Company Ethylene vinyl alcohol copolymers containing platelet-type mica fillers of multi-layer containers
JPH0337907A (en) * 1989-07-03 1991-02-19 Nippon Rika Kogyosho:Kk Composite mica insulating thin-film
EP0586753A1 (en) * 1992-08-25 1994-03-16 Siemens Aktiengesellschaft Insulating tape for a winding of an electrical machine
US5989702A (en) * 1994-08-15 1999-11-23 General Electric Canada Inc. Sandwich insulation for increased corona resistance
US6103382A (en) * 1997-03-14 2000-08-15 Siemens Westinghouse Power Corporation Catalyzed mica tapes for electrical insulation
DE19822137A1 (en) * 1998-05-16 1999-11-18 Asea Brown Boveri High voltage insulated stator winding
EP0966001A1 (en) * 1998-06-17 1999-12-22 COMPAGNIE ROYALE ASTURIENNE DES MINES, Société Anonyme Manufacture of a mica tape and obtained product
US7658983B2 (en) * 2000-06-21 2010-02-09 Cogebi Societe Anonyme Protective barrier
US6991845B2 (en) * 2002-12-13 2006-01-31 E. I. Du Pont De Nemours And Company Mica sheet and tape
US7217884B2 (en) * 2004-03-02 2007-05-15 Southwire Company Electrical wire and method of fabricating the electrical wire
US7737359B2 (en) * 2003-09-05 2010-06-15 Newire Inc. Electrical wire and method of fabricating the electrical wire
US8237051B2 (en) * 2003-09-05 2012-08-07 Newire, Inc. Flat wire extension cords and extension cord devices
US7145073B2 (en) * 2003-09-05 2006-12-05 Southwire Company Electrical wire and method of fabricating the electrical wire
US7897528B2 (en) * 2005-05-31 2011-03-01 Mikhail Finkel Heat resistant labels
US20080085388A1 (en) 2006-09-26 2008-04-10 Intertape Polymer Corp. Filament reinforced tapes useful as underwater pipe wrap
ES2958357A1 (en) * 2022-07-12 2024-02-07 Com Edizar S A Dust protection for machining and handling of sheet elements

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1333417A (en) * 1962-09-11 1963-07-26 Micafil Ag High thermal stability mica sheet for insulation of electrical conductors
FR1532716A (en) * 1967-06-30 1968-07-12 Ici Ltd Insulating tape
FR1571607A (en) * 1967-06-12 1969-06-20
FR2188258A1 (en) * 1972-06-12 1974-01-18 Gen Electric
EP0081154A1 (en) * 1981-12-02 1983-06-15 Alsthom Tape winding process for primary insulation of conductors
WO1984000515A1 (en) * 1982-07-27 1984-02-16 Isovolta Method for manufacturing an electric insulating sheet and utilization thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH404749A (en) * 1961-09-22 1965-12-31 Micafil Ag Heat-resistant insulating tape for electrical conductors
GB1193082A (en) * 1966-07-01 1970-05-28 Ici Ltd Tapes.
JPS5681906A (en) * 1979-12-07 1981-07-04 Toshiba Corp Heat resisting electrical insulated coil
US4381327A (en) * 1980-10-06 1983-04-26 Dennison Manufacturing Company Mica-foil laminations
JPS57141902A (en) * 1981-02-25 1982-09-02 Mitsubishi Electric Corp Insulating coil
DE3114420C2 (en) * 1981-04-06 1986-05-07 Siemens AG, 1000 Berlin und 8000 München Electrical conductor with an insulating sleeve wound from mica tapes
GB2101525A (en) * 1981-07-01 1983-01-19 Malcolm Otty Composite insulation material
JPS6155268A (en) * 1984-08-22 1986-03-19 帝国繊維株式会社 Flame resistant processed cloth
US4603088A (en) * 1984-10-22 1986-07-29 Essex Group, Inc. Neoalkoxy titanate in high density mica laminates
US4606785A (en) * 1984-11-15 1986-08-19 Westinghouse Electric Corp. Simplified method of making high strength resin bonded mica tape

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1333417A (en) * 1962-09-11 1963-07-26 Micafil Ag High thermal stability mica sheet for insulation of electrical conductors
FR1571607A (en) * 1967-06-12 1969-06-20
FR1532716A (en) * 1967-06-30 1968-07-12 Ici Ltd Insulating tape
FR2188258A1 (en) * 1972-06-12 1974-01-18 Gen Electric
EP0081154A1 (en) * 1981-12-02 1983-06-15 Alsthom Tape winding process for primary insulation of conductors
WO1984000515A1 (en) * 1982-07-27 1984-02-16 Isovolta Method for manufacturing an electric insulating sheet and utilization thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0687555A2 (en) * 1994-06-13 1995-12-20 Firma Carl Freudenberg Burn-through resistant laminate for aircraft fuselage
EP0687555A3 (en) * 1994-06-13 1996-12-11 Freudenberg Carl Fa Burn-through resistant laminate for aircraft fuselage
CN1073949C (en) * 1994-06-13 2001-10-31 卡尔·弗罗伊登伯格公司 Burning molten isolating device used in plane
DE102010019382A1 (en) 2010-05-04 2011-11-10 Airbus Operations Gmbh Thermal insulating tape with fire protection function and its application in aircraft construction
WO2022166019A1 (en) * 2021-02-04 2022-08-11 湖北平安电工科技股份公司 Preparation method for fire-resistant coated mica tape

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FR2591793A1 (en) 1987-06-19
DK599886A (en) 1987-06-14
GR3002041T3 (en) 1992-12-30
PT83923B (en) 1989-06-30
FI865087A0 (en) 1986-12-12
FI865087A (en) 1987-06-14
EP0229331B1 (en) 1991-03-27
DE3678417D1 (en) 1991-05-02
ES2021272B3 (en) 1991-11-01
BR8606429A (en) 1987-10-20
JPS62146975A (en) 1987-06-30
FR2591793B1 (en) 1988-08-12
NO864973L (en) 1987-06-15
NO175918B (en) 1994-09-19
NO175918C (en) 1994-12-28
NO864973D0 (en) 1986-12-10
CA1274428A (en) 1990-09-25
PT83923A (en) 1987-01-01
ATE62086T1 (en) 1991-04-15
US4769276A (en) 1988-09-06
DK599886D0 (en) 1986-12-12

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