GB969668A - Method of electric insulation - Google Patents

Method of electric insulation

Info

Publication number
GB969668A
GB969668A GB909362D GB909362D GB969668A GB 969668 A GB969668 A GB 969668A GB 909362 D GB909362 D GB 909362D GB 909362 D GB909362 D GB 909362D GB 969668 A GB969668 A GB 969668A
Authority
GB
United Kingdom
Prior art keywords
resin
accelerator
unsaturated polyester
curable resin
binder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB909362D
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
Allmanna Svenska Elektriska AB
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 ASEA AB, Allmanna Svenska Elektriska AB filed Critical ASEA AB
Publication of GB969668A publication Critical patent/GB969668A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/242—Applying crosslinking or accelerating agent onto compounding ingredients such as fillers, reinforcements
    • 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
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/04—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances mica

Abstract

969,668. Laminates. ALLMANNA SVENSKA ELEKTRISKA A.B. March 9, 1962 [March 11, 1961], No. 9093/62. Drawings to Specification. Heading B5N. [Also in Division D1] In the production of insulating tape for winding round an electric conductor followed by impregnation with a curable resin, said tape comprising mica attached by a binder to a backing, the binder comprises a curing accelerator for the curable resin. The binder may be 1-10% of the curable resin. The backing may be of paper, matted asbestos, or woven cotton, silk or glass. The mica may be attached as a paper-like sheet or as individual flakes. The curable resin may be an epoxy, alkyd, unsaturated polyester, or phenolic resin, and may be applied in vacuo. The epoxy resin may be prepared from epichlorhydrin and 4,4-dioxidiphenyl-dimethylmethane. It may be mixed with a curing agent, e.g. phenyl glycidyl ether, tetrahydrophthalic anhydride, or hexahydrophthalic anhydride. An unsaturated polyester resin may be mixed with cyclohexanone peroxide as curing agent. The accelerator for an epoxy resin may be a polyamide containing free amine groups, diethylene-triamine, triethylenetetramine, diethylaminopropylamine, benzyldimethylamine, or metaphenylenediamine. A polyamide may be applied as a solution in a mixture of butanol and toluene or xylene, the solvent removed at 200‹ C., and moisture removed in vacuo. The accelerator for an unsaturated polyester resin may be cobalt naphthenate or dimethylaniline. The binding agent may contain a non-accelerator, e.g. an alkyd, polyester, or unsaturated polyester resin.
GB909362D 1961-03-11 1962-03-09 Method of electric insulation Expired GB969668A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE261161A SE303324B (en) 1961-03-11 1961-03-11

Publications (1)

Publication Number Publication Date
GB969668A true GB969668A (en) 1964-09-16

Family

ID=20260295

Family Applications (1)

Application Number Title Priority Date Filing Date
GB909362D Expired GB969668A (en) 1961-03-11 1962-03-09 Method of electric insulation

Country Status (3)

Country Link
CH (1) CH391282A (en)
GB (1) GB969668A (en)
SE (1) SE303324B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE330260B (en) * 1967-06-29 1970-11-09 Asea Ab
GB8431040D0 (en) * 1984-12-07 1985-01-16 Raychem Ltd Curable fabric member

Also Published As

Publication number Publication date
SE303324B (en) 1968-08-26
CH391282A (en) 1965-04-30

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