GB1118909A - Thermally stabilized cellulose in electrical apparatus and method for making same - Google Patents

Thermally stabilized cellulose in electrical apparatus and method for making same

Info

Publication number
GB1118909A
GB1118909A GB24654/67A GB2465467A GB1118909A GB 1118909 A GB1118909 A GB 1118909A GB 24654/67 A GB24654/67 A GB 24654/67A GB 2465467 A GB2465467 A GB 2465467A GB 1118909 A GB1118909 A GB 1118909A
Authority
GB
United Kingdom
Prior art keywords
electrical apparatus
making same
thermally stabilized
stabilized cellulose
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.)
Expired
Application number
GB24654/67A
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.)
CBS 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 GB1118909A publication Critical patent/GB1118909A/en
Expired 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
    • H01B3/185—Substances or derivates of cellulose
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Paper (AREA)
  • Insulating Bodies (AREA)
  • Organic Insulating Materials (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

The thermal stability of cellulosic insulating material in contact with dielectric oil is improved by impregnation with 0.1-10% of C-methyl, ethylene, undecyl, phenyl, or 2 - pyridyl guanamine. The cellulosic material may be in the form of kraft paper, paperboard, cotton, linen, or wood.
GB24654/67A 1966-06-16 1967-05-26 Thermally stabilized cellulose in electrical apparatus and method for making same Expired GB1118909A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55812966A 1966-06-16 1966-06-16

Publications (1)

Publication Number Publication Date
GB1118909A true GB1118909A (en) 1968-07-03

Family

ID=24228325

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24654/67A Expired GB1118909A (en) 1966-06-16 1967-05-26 Thermally stabilized cellulose in electrical apparatus and method for making same

Country Status (5)

Country Link
US (1) US3469219A (en)
JP (1) JPS4529202B1 (en)
CH (1) CH488251A (en)
DE (1) DE1696277A1 (en)
GB (1) GB1118909A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196044A (en) * 1976-02-05 1980-04-01 Dennison Manufacturing Company Product and process for making a creped and calendered cellulosic electrical paper
DE19607978A1 (en) * 1996-03-01 1997-09-04 Basf Ag Condensation products based on triazines and formaldehyde

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017380A (en) * 1958-12-05 1962-01-16 Dal Mon Research Co Aldehyde-triazinyl arsenic condensation products and method of making same
US3170027A (en) * 1962-01-03 1965-02-16 Westinghouse Electric Corp Treated cellulosic insulation and electrical apparatus embodying the same
US3211516A (en) * 1962-07-16 1965-10-12 Mc Graw Edison Co Thermally stabilized cellulose materials
US3308101A (en) * 1963-09-24 1967-03-07 Du Pont Novel polymeric materials
US3324222A (en) * 1963-10-28 1967-06-06 Westinghouse Electric Corp Treated cellulosic material and electrical apparatus embodying the same

Also Published As

Publication number Publication date
US3469219A (en) 1969-09-23
JPS4529202B1 (en) 1970-09-24
CH488251A (en) 1970-03-31
DE1696277A1 (en) 1971-11-11

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