DE1301243B - Verfahren zum Herstellen eines stabilisierten elektrischen Isolierpapiers - Google Patents

Verfahren zum Herstellen eines stabilisierten elektrischen Isolierpapiers

Info

Publication number
DE1301243B
DE1301243B DEW34023A DEW0034023A DE1301243B DE 1301243 B DE1301243 B DE 1301243B DE W34023 A DEW34023 A DE W34023A DE W0034023 A DEW0034023 A DE W0034023A DE 1301243 B DE1301243 B DE 1301243B
Authority
DE
Germany
Prior art keywords
melamine
paper
weight
dicyandiamide
cellulose
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.)
Pending
Application number
DEW34023A
Other languages
German (de)
English (en)
Inventor
Ford James G Hickory Twp
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of DE1301243B publication Critical patent/DE1301243B/de
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/07—Nitrogen-containing compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • D21H17/375—Poly(meth)acrylamide
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • 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
    • H01B3/185—Substances or derivates of cellulose
    • 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
    • H01B3/48—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials
    • H01B3/485—Other fibrous materials fabric
    • 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
    • H01B3/48—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials
    • H01B3/52—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials wood; paper; press board
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/323—Insulation between winding turns, between winding layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/12—Insulating of windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Organic Insulating Materials (AREA)
  • Paper (AREA)
DEW34023A 1962-03-23 1963-03-05 Verfahren zum Herstellen eines stabilisierten elektrischen Isolierpapiers Pending DE1301243B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US182029A US3102159A (en) 1962-03-23 1962-03-23 Treated cellulosic material and electrical apparatus embodying the same

Publications (1)

Publication Number Publication Date
DE1301243B true DE1301243B (de) 1969-08-14

Family

ID=22666806

Family Applications (1)

Application Number Title Priority Date Filing Date
DEW34023A Pending DE1301243B (de) 1962-03-23 1963-03-05 Verfahren zum Herstellen eines stabilisierten elektrischen Isolierpapiers

Country Status (4)

Country Link
US (1) US3102159A (show.php)
CH (1) CH462906A (show.php)
DE (1) DE1301243B (show.php)
NL (2) NL255144A (show.php)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3271509A (en) * 1963-04-12 1966-09-06 Westinghouse Electric Corp Electrical insulation for condenser bushings and the like
US3313879A (en) * 1963-10-28 1967-04-11 Westinghouse Electric Corp Treated cellulosic material and electrical apparatus embodying the same
US3324222A (en) * 1963-10-28 1967-06-06 Westinghouse Electric Corp Treated cellulosic material and electrical apparatus embodying the same
US3510346A (en) * 1966-10-21 1970-05-05 Westinghouse Electric Corp Thermally stable cellulose products
US3931027A (en) * 1973-06-25 1976-01-06 Mcgraw-Edison Company Cellulose material treated with a thermosetting resin and having improved physical properties at elevated temperatures
US4196044A (en) * 1976-02-05 1980-04-01 Dennison Manufacturing Company Product and process for making a creped and calendered cellulosic electrical paper
US4251699A (en) * 1976-07-26 1981-02-17 S & C Electric Company Arc extinguishing material comprising dicyandiamide
US4450424A (en) * 1982-05-10 1984-05-22 Mcgraw-Edison Company Electrical insulating system
US4619735A (en) * 1985-02-13 1986-10-28 Melamine Chemicals, Inc. Method of retarding paper degradation with time by treatment with melamine, and method of producing ageing-resistant paper coated with melamine
AT521932A1 (de) 2018-12-12 2020-06-15 Siemens Ag Alterungsreduktion beim Isoliermaterial einer Wicklung, insbesondere eines ölimprägnierten Hochspannungsgerätes
EP4325526A1 (en) * 2022-08-19 2024-02-21 Ahlstrom Oyj Electrical insulation paper

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB875967A (en) * 1959-11-23 1961-08-30 Formica Corp Resin-impregnated paper

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2539558A (en) * 1948-09-28 1951-01-30 American Cyanamid Co Permanent paper and method of making same
US2722561A (en) * 1949-09-03 1955-11-01 Westinghouse Electric Corp Heat stabilizing of cellulosic insulation in electrical apparatus
US2665733A (en) * 1949-09-20 1954-01-12 Us Rubber Co Cellulose fiber tire casing protected against heat aging
US2665734A (en) * 1951-02-27 1954-01-12 Us Rubber Co Protection of cellulose fiber against heat aging and tire casing containing such fiber
US2991326A (en) * 1957-12-24 1961-07-04 Westinghouse Electric Corp Insulation system for electrical apparatus containing liquid dielectrics

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB875967A (en) * 1959-11-23 1961-08-30 Formica Corp Resin-impregnated paper

Also Published As

Publication number Publication date
NL255144A (show.php)
NL126810C (show.php)
CH462906A (de) 1968-09-30
US3102159A (en) 1963-08-27

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
EF Willingness to grant licences