FR1140438A - Procédé de fabrication de copolymères d'esters de résines époxyde et de composés aromatiques vinyliques - Google Patents

Procédé de fabrication de copolymères d'esters de résines époxyde et de composés aromatiques vinyliques

Info

Publication number
FR1140438A
FR1140438A FR1140438DA FR1140438A FR 1140438 A FR1140438 A FR 1140438A FR 1140438D A FR1140438D A FR 1140438DA FR 1140438 A FR1140438 A FR 1140438A
Authority
FR
France
Prior art keywords
copolymers
esters
manufacture
epoxy resins
aromatic compounds
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
Other languages
English (en)
Inventor
Frank Armitage
William Eric Allsebrook
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.)
Lewis Berger and Sons Ltd
Original Assignee
Lewis Berger and Sons Ltd
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 Lewis Berger and Sons Ltd filed Critical Lewis Berger and Sons Ltd
Application granted granted Critical
Publication of FR1140438A publication Critical patent/FR1140438A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/14—Polycondensates modified by chemical after-treatment
    • C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
    • C08G59/1438—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing oxygen
    • C08G59/1455—Monocarboxylic acids, anhydrides, halides, or low-molecular-weight esters thereof
    • C08G59/1461—Unsaturated monoacids
    • C08G59/1472—Fatty acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • C08L63/10—Epoxy resins modified by unsaturated compounds
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16—Impedances connected with contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16—Impedances connected with contacts
    • H01H33/164—Impedances connected with contacts the impedance being inserted in the circuit by blowing the arc onto an auxiliary electrode
FR1140438D 1954-11-24 1955-11-23 Procédé de fabrication de copolymères d'esters de résines époxyde et de composés aromatiques vinyliques Expired FR1140438A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB338605X 1954-11-24
GB341875X 1955-02-23
GB101155X 1955-11-10
GB111155X 1955-11-11

Publications (1)

Publication Number Publication Date
FR1140438A true FR1140438A (fr) 1957-07-22

Family

ID=27448036

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1140438D Expired FR1140438A (fr) 1954-11-24 1955-11-23 Procédé de fabrication de copolymères d'esters de résines époxyde et de composés aromatiques vinyliques
FR1146202D Expired FR1146202A (fr) 1954-11-24 1956-02-22 Disjoncteur

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR1146202D Expired FR1146202A (fr) 1954-11-24 1956-02-22 Disjoncteur

Country Status (7)

Country Link
US (1) US2833896A (fr)
BE (2) BE543067A (fr)
CH (2) CH338605A (fr)
DE (2) DE1052117B (fr)
FR (2) FR1140438A (fr)
GB (2) GB824103A (fr)
NL (1) NL100927C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2080719A1 (fr) * 1970-02-24 1971-11-19 Shell Int Research

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3087035A (en) * 1959-03-20 1963-04-23 Asea Ab Fluid operated circuit breaker
US3114815A (en) * 1959-11-18 1963-12-17 Westinghouse Electric Corp Fluid-blast circuit interrupter with improved current-transformer housing means
DE1163940B (de) * 1960-02-25 1964-02-27 Asea Ab Druckluftschalter mit reihengeschalteter Trennstelle in einer Durchfuehrung
DE1191015B (de) * 1961-06-26 1965-04-15 Asea Ab Druckluftschalter mit Daempfungswiderstand
DE1215240B (de) * 1962-08-30 1966-04-28 Bbc Brown Boveri & Cie Druckgasschalter mit Mehrfachunterbrechung
CH410112A (de) * 1964-08-21 1966-03-31 Bbc Brown Boveri & Cie Druckgasschalter
US3267241A (en) * 1964-10-05 1966-08-16 Gen Electric Multiple break high voltage circuit breaker with variable length gap control means
US3500009A (en) * 1967-02-24 1970-03-10 Gen Electric High voltage circuit breaker with means for preinserting resistors during closing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB561178A (en) * 1942-07-30 1944-05-09 Cedric Harold Flurscheim Improvements in air or gas blast electric switches
BE457528A (fr) * 1943-09-11
FR912902A (fr) * 1945-03-08 1946-08-23 Merlin Gerin Interrupteur à gaz comprimé avec connecteur à coupure retardée
CH276833A (de) * 1947-05-15 1951-07-31 Usines Tchecoslovaques Metallu Druckluftschalter mit Trennschalter.
NL73206C (fr) * 1948-07-23
BE506351A (fr) * 1950-10-13
US2665351A (en) * 1951-02-09 1954-01-05 Asea Ab Arrangement in air blast circuit breaker provided with damping resistance
BE536110A (fr) * 1954-03-02

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2080719A1 (fr) * 1970-02-24 1971-11-19 Shell Int Research

Also Published As

Publication number Publication date
CH338605A (fr) 1959-05-31
US2833896A (en) 1958-05-06
BE545466A (fr) 1956-03-15
NL204840A (fr) 1961-11-15
NL100927C (fr) 1962-04-16
GB824103A (en) 1959-11-25
BE543067A (fr) 1955-12-15
DE1052117B (de) 1959-03-05
DE1025485B (de) 1958-03-06
CH341875A (de) 1959-10-31
GB826463A (en) 1960-01-06
FR1146202A (fr) 1957-11-07

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