ES427350A1 - Procedimiento para la obtencion de un material aislante de espuma dura. - Google Patents

Procedimiento para la obtencion de un material aislante de espuma dura.

Info

Publication number
ES427350A1
ES427350A1 ES427350A ES427350A ES427350A1 ES 427350 A1 ES427350 A1 ES 427350A1 ES 427350 A ES427350 A ES 427350A ES 427350 A ES427350 A ES 427350A ES 427350 A1 ES427350 A1 ES 427350A1
Authority
ES
Spain
Prior art keywords
foam
installations
high voltage
insulating
insulating material
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
ES427350A
Other languages
English (en)
Spanish (es)
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.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
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 BBC Brown Boveri AG Switzerland filed Critical BBC Brown Boveri AG Switzerland
Publication of ES427350A1 publication Critical patent/ES427350A1/es
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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
ES427350A 1973-06-18 1974-06-17 Procedimiento para la obtencion de un material aislante de espuma dura. Expired ES427350A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH870773A CH579606A5 (cs) 1973-06-18 1973-06-18

Publications (1)

Publication Number Publication Date
ES427350A1 true ES427350A1 (es) 1976-09-16

Family

ID=4343787

Family Applications (1)

Application Number Title Priority Date Filing Date
ES427350A Expired ES427350A1 (es) 1973-06-18 1974-06-17 Procedimiento para la obtencion de un material aislante de espuma dura.

Country Status (7)

Country Link
CA (1) CA1051191A (cs)
CH (1) CH579606A5 (cs)
DE (2) DE2339621A1 (cs)
ES (1) ES427350A1 (cs)
FR (1) FR2233356B1 (cs)
GB (1) GB1476371A (cs)
IT (1) IT1017653B (cs)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5482977U (cs) * 1977-11-25 1979-06-12
US4560829A (en) * 1983-07-12 1985-12-24 Reed Donald A Foamed fluoropolymer articles having low loss at microwave frequencies and a process for their manufacture
US4894488A (en) * 1988-03-21 1990-01-16 Comm/Scope, Inc. High frequency signal cable with improved electrical dissipation factor and method of producing same
DE3819630A1 (de) * 1988-06-09 1989-12-14 Bayer Ag Verfahren zum einbringen von treibmitteln in mindestens eine der fliessfaehigen reaktionskomponenten fuer die herstellung von polyurethanschaumstoffen
DE4013712A1 (de) * 1990-04-28 1991-10-31 Bayer Ag Verfahren zur herstellung von hinterschaeumten innenteilen fuer kuehlmoebel
DE19644483C1 (de) * 1996-10-25 1997-11-20 Siemens Ag Isolator für hohe Spannung
DE102005000161A1 (de) * 2005-11-21 2007-05-24 Hilti Ag Handwerkzeuggerät mit geschäumter Verkabelung
CN108727551A (zh) 2017-04-19 2018-11-02 科思创德国股份有限公司 一种硬质聚氨酯泡沫及其制备方法与应用
CN117903487B (zh) * 2024-03-20 2024-05-28 西安交通大学 Sf6-环氧树脂微孔泡沫绝缘材料及其制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE88126C (cs) *
CH523135A (de) * 1970-04-24 1972-05-31 Ite Imperial Corp Kunststoffschaumkörper
CH572269A5 (cs) * 1972-07-20 1976-01-30 Bbc Brown Boveri & Cie

Also Published As

Publication number Publication date
FR2233356B1 (cs) 1978-12-29
CH579606A5 (cs) 1976-09-15
GB1476371A (en) 1977-06-10
IT1017653B (it) 1977-08-10
CA1051191A (en) 1979-03-27
DE7328613U (de) 1975-08-28
FR2233356A1 (cs) 1975-01-10
DE2339621A1 (de) 1975-01-09

Similar Documents

Publication Publication Date Title
US4219791A (en) Electrical inductive apparatus
ES427350A1 (es) Procedimiento para la obtencion de un material aislante de espuma dura.
CN103597565A (zh) 十氟-2-甲基丁-3-酮和载气的混合物作为中电压中的电绝缘和/或灭弧介质
FR2714203B1 (fr) Ligne à haute tension à isolation gazeuse pour longue distance.
Ushakov et al. High-voltage equipment of power systems
GB1484171A (en) Pipe-type gas-insulated cable
US2068940A (en) Electric cable
FR2255687A1 (en) Insulating spacers for transformers or chokes - prismatic bars have cross-sections deviating from polygons by cut outs
GB334840A (en) Improvements in the manufacture of electric cables
Hama et al. Application problems of SF6/N2 mixtures to gas insulated bus
ZA846830B (en) Disconnect switch for metal-clad,pressure gas insulated high voltage switching apparatus
US3143591A (en) Electric cables under pressure
DE3061381D1 (en) Overhead line connection to a three phase gas insulated metal-clad high voltage switchgear
US2957938A (en) Electrical apparatus and dielectric material therefor
Cookson Influence of electrical insulation on design and performance of power equipment
Wang et al. Performance of flashover on the resin spacer surface in N 2/SF 6 and SF 6/air gas mixture under AC power frequency
US1746977A (en) Electrical apparatus
US3046422A (en) Coaxial metal enclosed isolated phase bus
DE2964144D1 (en) Process for cross-linking shaped non-polar synthetic resins and electric objects insulated with said crosslinked resins
GB1202175A (en) Improvements in or relating to gas blast circuit breakers
Isogai et al. An epoxy resin impregnated paper insulation system for ultra high voltage applications
Manley et al. The application of low-pressure resins to some high-voltage switchgear designs
Miyashita et al. Cross-linking reaction of LDPE and the behavior of decomposition products from cross-linking agents
SU581509A1 (ru) Высковольтный кабель посто нного тока
ES431387A1 (es) Dispositivo de expansion para terminales tipo condensador aislados por aceite para transformadores, reactores y simi- lares.