FR2217774A1 - Electrical insulating matls prodn - by curing substrate impregnated with isocyanate modified polyester using high energy radi - Google Patents
Electrical insulating matls prodn - by curing substrate impregnated with isocyanate modified polyester using high energy radiInfo
- Publication number
- FR2217774A1 FR2217774A1 FR7305125A FR7305125A FR2217774A1 FR 2217774 A1 FR2217774 A1 FR 2217774A1 FR 7305125 A FR7305125 A FR 7305125A FR 7305125 A FR7305125 A FR 7305125A FR 2217774 A1 FR2217774 A1 FR 2217774A1
- Authority
- FR
- France
- Prior art keywords
- matls
- prodn
- high energy
- condensation
- electrical insulating
- 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.)
- Granted
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
- H01B3/48—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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
- C08F299/02—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
- C08F299/06—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from polyurethanes
-
- 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
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/42—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals
- H01B3/421—Polyesters
- H01B3/425—Non-saturated polyesters derived from polycarboxylic acids and polyhydroxy compounds, in which at least one of the two components contains aliphatic unsaturation
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Insulating Bodies (AREA)
Abstract
Electrical insulating materials are made by (1) impregnating a carrier layer of organic or mineral origin with a modified unsatd. polyester resin contg. (per unit of condensation) 1 double bond 0.5-2 (esp. 1-1.5) tert. CH gps. and >1 lateral ethyl gp. and having a degree of condensation of is not 7-8 units of condensation, modified with a diisocyanate and pref. contg. 30-50% of an acrylate derived from a 1-4C alcohol as copolymerisable monomer (2) guiding without contact for a short distance and (3) curing the material by exposure to high energy radiation under an inert atmos. Process gives insulating matls. with excellent electrical props. without using supplementary solvents, and allows very high rates of prodn. compared with the use of known matls such as alkyd or polyurethane resins.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7305125A FR2217774A1 (en) | 1973-02-14 | 1973-02-14 | Electrical insulating matls prodn - by curing substrate impregnated with isocyanate modified polyester using high energy radi |
BE128362A BE796267A (en) | 1973-02-14 | 1973-03-05 | INSULATING MATERIALS MANUFACTURING PROCESS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7305125A FR2217774A1 (en) | 1973-02-14 | 1973-02-14 | Electrical insulating matls prodn - by curing substrate impregnated with isocyanate modified polyester using high energy radi |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2217774A1 true FR2217774A1 (en) | 1974-09-06 |
FR2217774B1 FR2217774B1 (en) | 1979-01-12 |
Family
ID=9114799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7305125A Granted FR2217774A1 (en) | 1973-02-14 | 1973-02-14 | Electrical insulating matls prodn - by curing substrate impregnated with isocyanate modified polyester using high energy radi |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE796267A (en) |
FR (1) | FR2217774A1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1934121A1 (en) * | 1968-07-06 | 1970-01-15 | Asahi Chemical Ind | Photopolymerizable molding compounds and their use for the production of multilayer safety glass and printing forms |
FR2121191A5 (en) * | 1970-12-31 | 1972-08-18 | Basf Ag |
-
1973
- 1973-02-14 FR FR7305125A patent/FR2217774A1/en active Granted
- 1973-03-05 BE BE128362A patent/BE796267A/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1934121A1 (en) * | 1968-07-06 | 1970-01-15 | Asahi Chemical Ind | Photopolymerizable molding compounds and their use for the production of multilayer safety glass and printing forms |
FR2121191A5 (en) * | 1970-12-31 | 1972-08-18 | Basf Ag |
Also Published As
Publication number | Publication date |
---|---|
BE796267A (en) | 1973-09-05 |
FR2217774B1 (en) | 1979-01-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |