EP2791948A1 - Verfahren zur herstellung von verbundisolatoren mittels uv-vernetzung von siliconkautschuk - Google Patents
Verfahren zur herstellung von verbundisolatoren mittels uv-vernetzung von siliconkautschukInfo
- Publication number
- EP2791948A1 EP2791948A1 EP12791489.3A EP12791489A EP2791948A1 EP 2791948 A1 EP2791948 A1 EP 2791948A1 EP 12791489 A EP12791489 A EP 12791489A EP 2791948 A1 EP2791948 A1 EP 2791948A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- silicone rubber
- mold
- irradiation
- radicals
- crosslinking
- 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
- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 53
- 239000004945 silicone rubber Substances 0.000 title claims abstract description 51
- 238000004132 cross linking Methods 0.000 title claims abstract description 29
- 239000012212 insulator Substances 0.000 title claims abstract description 13
- 239000002131 composite material Substances 0.000 title claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 28
- 125000003342 alkenyl group Chemical group 0.000 claims description 11
- 238000005266 casting Methods 0.000 claims description 11
- 150000003961 organosilicon compounds Chemical class 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000012780 transparent material Substances 0.000 claims description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims 1
- 239000011151 fibre-reinforced plastic Substances 0.000 claims 1
- -1 Hydrocarbon radical Chemical class 0.000 description 49
- 150000003254 radicals Chemical class 0.000 description 13
- 229920001971 elastomer Polymers 0.000 description 11
- 239000005060 rubber Substances 0.000 description 11
- 125000004432 carbon atom Chemical group C* 0.000 description 9
- 239000000945 filler Substances 0.000 description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 239000004215 Carbon black (E152) Substances 0.000 description 7
- 229930195733 hydrocarbon Natural products 0.000 description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 125000001931 aliphatic group Chemical group 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- 238000006459 hydrosilylation reaction Methods 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 4
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 125000002877 alkyl aryl group Chemical group 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 125000003710 aryl alkyl group Chemical group 0.000 description 3
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 3
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 238000012805 post-processing Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- 125000006043 5-hexenyl group Chemical group 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 125000005515 organic divalent group Chemical group 0.000 description 2
- 125000005702 oxyalkylene group Chemical group 0.000 description 2
- 125000004437 phosphorous atom Chemical group 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000002990 reinforced plastic Substances 0.000 description 2
- 239000012763 reinforcing filler Substances 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 125000004434 sulfur atom Chemical group 0.000 description 2
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 1
- 125000006017 1-propenyl group Chemical group 0.000 description 1
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Natural products C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 1
- SLRMQYXOBQWXCR-UHFFFAOYSA-N 2154-56-5 Chemical compound [CH2]C1=CC=CC=C1 SLRMQYXOBQWXCR-UHFFFAOYSA-N 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- 239000004604 Blowing Agent Substances 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 239000004970 Chain extender Substances 0.000 description 1
- HPYIUKIBUJFXII-UHFFFAOYSA-N Cyclopentadienyl radical Chemical compound [CH]1C=CC=C1 HPYIUKIBUJFXII-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 229910003849 O-Si Inorganic materials 0.000 description 1
- 229910003872 O—Si Inorganic materials 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- BFKVXNPJXXJUGQ-UHFFFAOYSA-N [CH2]CCCC Chemical compound [CH2]CCCC BFKVXNPJXXJUGQ-UHFFFAOYSA-N 0.000 description 1
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical compound [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 125000003302 alkenyloxy group Chemical group 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000005840 aryl radicals Chemical class 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 229910014307 bSiO Inorganic materials 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 description 1
- 125000000068 chlorophenyl group Chemical group 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 125000000596 cyclohexenyl group Chemical group C1(=CCCCC1)* 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 description 1
- 125000002433 cyclopentenyl group Chemical group C1(=CCCC1)* 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000004188 dichlorophenyl group Chemical group 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- 229920005645 diorganopolysiloxane polymer Polymers 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000006232 furnace black Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000005394 methallyl group Chemical group 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 150000001282 organosilanes Chemical class 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical class [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
-
- 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
- H01B3/46—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 silicones
-
- 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
- H01B3/47—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 fibre-reinforced plastics, e.g. glass-reinforced plastics
Definitions
- the invention relates to a process for the preparation of
- Silicone elastomer composite insulators and methods for their preparation are known. Silicone rubber injection molding with so-called solid rubber (HTV high temperature crosslinking or HCR high consistency rubber) is characterized by injecting silicone rubber of comparatively high viscosity into heated molds. The method is e.g. described in EP 1091365 for so-called hollow insulators. The process is used today for all types of components, e.g. also used rod insulators and surge arrester. In this process, the sometimes long cycle times caused by the parts to be wrapped (such as fiber reinforced epoxy rods or tubing), in particular the metallic protruding sometimes out of the mold also up to the crosslinking temperature of the
- Rubber must be heated. For large components, machines and devices of considerable dimensions are sometimes necessary.
- RTV-2 room temperature vulcanizing 2-component rubber
- the invention relates to a method for the production of composite insulators, in which a supporting member is provided with a screen of silicone rubber, characterized in that the crosslinking of the silicone rubber is initiated by UV irradiation.
- the crosslinking initiated by UV irradiation of the silicone rubber minimizes cure times, is universally applicable to any composite insulator mold, and thereby from the viewpoint of overall manufacturing cost to the user
- a supporting component for example, a
- Plastic moldings suitable which is preferably fiber-reinforced.
- the supporting member is preferably stretched, i. the ratio length: diameter is at least 2: 1,
- the supporting component is cylindrical, in particular a rod or tube.
- a f-reinforced plastic rod or a f-reinforced plastic tube are used.
- the silicone rubber is preferably low in viscosity.
- Silicone rubber is filled into a suitable open mold which is guided along the support member to be screened and suitably sealed downwardly so that the silicone rubber can not flow out during filling. After completion of the filling or after reaching a certain level is an exposure or
- Silicone rubber volume is irradiated so that results in a uniformly fast cross-linking.
- the silicone rubber is irradiated from the open side of the mold.
- Embodiment consists of the mold of UV-transparent material or the mold has UV-transparent windows and the silicone rubber is irradiated through the mold.
- certain points in the later screen are additionally irradiated from other directions than from above.
- the windows may, for example, be mounted laterally of the casting mold and / or below the casting mold.
- the irradiation from one direction may optionally
- Silicon rubbers can achieve this from several
- the silicone rubber-filled mold can be exposed in one or more steps. Depending on the size and shape of the umbrellas to be produced, it may be necessary to use different irradiation regimes for the
- Crosslinking of the silicone rubber to apply can be carried out after completion of the filling or after reaching a certain partial level of silicone rubber in the casting mold.
- the material supply for the silicone rubber to the mold may be wrapped or not wrapped.
- the irradiation device initiating the crosslinking can be arranged in the material supply for the silicone rubber.
- a heating device can be arranged around the material feed, below, laterally or above the casting mold, in order to accelerate the crosslinking of the irradiated silicone rubber by heating.
- the UV irradiation preferably takes place at at least 0 ° C., particularly preferably at least 10 ° C., in particular at least 15 ° C. and preferably at not more than 50 ° C., particularly preferably at most 35 ° C., in particular not more than 25 ° C.
- the irradiation time is preferably at least 1 second, more preferably at least 5 seconds, and preferred
- the wavelength of the UV radiation is preferably 200 to 500 nm.
- the silicone rubber may be a mixture composed of 2 components or of only 1 component.
- the silicone rubber contains:
- Polyorganosiloxane (A) preferably corresponds to
- R2 is a monovalent, optionally halogen or
- x is such a nonnegative number that at least two residues
- R 1 are present in each molecule
- y is a non-negative number such that (x + y) is in the range of 1.8 to 2.5.
- the alkenyl groups R 1 are accessible to an addition reaction with a SiH-functional crosslinking agent.
- alkenyl groups having 2 to 6 carbon atoms such as vinyl, allyl, methallyl, 1-propenyl, 5-hexenyl, ethynyl, butadienyl, hexadienyl, cyclopentenyl, cyclopentad enyl, cyclohexenyl, preferably vinyl and allyl, are used.
- Organic divalent groups, via which the alkenyl groups R - * - may be bonded to silicon of the polymer chain consist for example of oxyalkylene units, such as those of
- n values from 1 to 4, in particular 1 or 2 and
- o mean values of 1 to 20, in particular from 1 to 5.
- the oxyalkylene units of the general formula (10) are bonded to the left of a silicon atom.
- the radicals R 1 may be bonded in any position of the polymer chain, in particular at the terminal silicon atoms, examples of unsubstituted radicals R ⁇ are alkyl radicals such as methyl, ethyl, n-propyl, iso-propyl, n-butyl -, iso-butyl, tert. Butyl, n-pentyl, iso-pentyl, neo-pentyl, tert.
- Pentyl radical hexyl radicals, such as the n-hexyl radical, heptyl radicals, such as the n-heptyl radical, octyl radicals, such as the n-octyl radical and iso-octyl radicals, such as the 2, 2, -trimethylpentyl radical, nonyl radicals, such as the n-nonyl radical, decyl radicals, as the n-decyl radical; Alkenyl radicals such as the vinyl, allyl, ⁇ 5-hexenyl, 4-vinylcyclohexyl and 3-norbornenyl radicals; Cycloalkyl radicals, such as cyclopentyl, cyclohexyl, 4-ethylcyclohexyl, cycloheptyl radicals,
- Norbornyl radicals and methylcyclohexyl radicals Aryl radicals, such as the phenyl, biphenylyl, naphthyl radical; Alkaryl radicals, such as o-, m-, p-tolyl radicals and ethylphenyl radicals; Aralkyl radicals, like the
- substituted Kohlenwasserstof radicals as radicals R2 are halogenated hydrocarbons, such as chloromethyl, 3-chloropropyl, 3-bromopropyl, 3, 3, 3-trifluoropropyl and
- R2 preferably has 1 to 6 carbon atoms.
- Component (A) may also be a mixture of various components
- ⁇ lkenyl phenomenon containing polyorganosxloxanes be, for example, the alkenyl group content, the nature of
- the structure of the alkenyl-containing polyorganosiloxanes (A) may be linear, cyclic or branched.
- the content of tri- and / or tetrafunctional units leading to branched polyorganosiloxanes is typically very low, preferably at most 20 mol%, in particular at most 0.1 mol%.
- the viscosity of the polyorganosiloxane (A) at 25 ° C is preferably 0.5 to 100,000 Pa-s, in particular 1 to 2000 Pa-s.
- the at least two SiH functions per molecule containing organosilicon compound (B), preferably has a
- a and b are nonnegative integers, with the proviso that 0.5 ⁇ (a + b) ⁇ 3, 0 and 0 ⁇ a ⁇ 2, and that at least two silicon-bonded hydrogen atoms are present per molecule.
- R3 are the radicals indicated for R ⁇ .
- R 1 preferably has 1 to ⁇ carbon atoms. Particularly preferred are methyl and phenyl,
- Preferred is the use of an organosilicon compound (B) containing three or more SiH bonds per molecule.
- an organosilicon compound (B) containing three or more SiH bonds per molecule.
- organosilicon compound (B) the use of a polyorganosiloxane (A), which has at least three alkenyl groups per molecule is recommended.
- the hydrogen content of the organosilicon compound (B), which refers exclusively to the hydrogen atoms bonded directly to silicon atoms, is preferably in the range of 0.002 to 1.7% by weight of hydrogen, preferably 0.1 to 1.7% by weight of hydrogen ,
- the organosilicon compound (B) preferably contains
- organosilicon compound (B) containing 4 to 200 silicon atoms per molecule.
- organosilicon compound (B) may be linear, branched, cyclic or network-like.
- Particularly preferred organosilicon compounds (B) are linear polyorganosiloxanes of the general formula (5)
- R.4 has the meanings of
- Silicone compound contain that the molar ratio of SiH groups to alkenyl groups at 0.5 to 5, in particular from 1.0 to 3.0.
- catalyst (C) it is possible to use all known platinum group catalysts which catalyze the hydrosilylation reactions taking place during the crosslinking of addition-crosslinking silicone compositions and which can be activated by light of 200 to 500 nm.
- the catalyst (C) contains at least one metal or compound of platinum, rhodium, palladium, ruthenium and
- Iridium preferably platinum.
- catalysts (C) are cyclopentadienyl complexes of platinum, preferably of the general formula (6)
- R 7 are independently, identically or differently, a monovalent unsubstituted or substituted, linear, cyclic or branched, aliphatic
- R8 independently, identical or different hydrolyzable functional groups selected from the group containing
- Oxime -ON CR 10 2 ,
- R 1 independently of one another, identical or different, are H, alkyl, aryl, arylalkyl, alkylaryl,
- R 1 -I independently of one another, identically or differently, alkyl, aryl, arylalkyl, alkylaryl,
- R ⁇ 2 is a linear or branched, aliphatically unsaturated organic radical
- R ⁇ A are independently, identically or differently alkyl, aryl, arylalkyl, alkylaryl having 1 to 30 carbon atoms, wherein the hydrogens may be substituted by -Hai or -SiR3 9 , with
- R9 independently, identically or differently, a monovalent, unsubstituted or
- R ⁇ k are independent of each other, the same or different
- Preferred radicals R 1 are linear saturated
- Hydrocarbon radicals having 1 to 8 carbon atoms having 1 to 8 carbon atoms. Further preferred is the phenyl radical.
- Preferred radicals R 1 are methoxy, ethoxy, acetoxy and 2-methoxyethoxy groups.
- Preferred radicals R ⁇ a are linear and branched,
- alkyl radicals such as methyl, ethyl, propyl or butyl radicals.
- Preferred radicals R 1b are linear and branched
- catalyst (C) is MeCp (PtMe3).
- Catalyst (C) can be used in any desired form, for example also in the form of
- hydrosilylation catalysts (C) The content of hydrosilylation catalysts (C) is
- silicone rubber is a content has platinum group metal of 0.1-200 ppm, preferably 0.5-40 ppm.
- the silicone rubber is preferably transparent to UV radiation of 200 to 500 nm and in particular free of UV radiation of 200 to 500 nm absorbing fillers.
- the silicone rubber may also contain filler (D).
- Filler (D) Reinforcing fillers, ie fillers having a BET surface area of at least 50 m 2 / g, are, for example, fumed silica, precipitated silica, carbon black, such as
- Fiber-shaped fillers are
- asbestos and plastic fibers For example, asbestos and plastic fibers.
- the fillers mentioned may be hydrophobic, for example by treatment with organosilanes or siloxanes or by
- Examples of non-reinforcing fillers (D) are fillers with one
- BET surface area of up to 50 m 2 / g such as quartz, diatomaceous earth, calcium silicate, zirconium silicate, zeolites, metal oxide powder, such as aluminum, titanium, iron or zinc oxides or their
- Silicon nitride silicon carbide, boron nitride, glass and
- Plastic powder It can be a kind of filler, it can also be a mixture of at least two fillers used.
- the silicone rubber contains filler (D)
- its content is preferably 1 to 60% by weight, especially 5 to 50% by weight. -%.
- the silicone rubber may contain as component (E) further additives in an amount of up to 70% by weight, preferably 0.0001 to 40% by weight.
- These additives can eg resinous Polyorganosiloxanes, which are different from the diorganopolysiloxanes (A) and (B), dispersing aids, solvents, adhesion promoters, pigments, dyes, plasticizers, organic polymers, heat stabilizers, etc. These include additives such as dyes, pigments, etc.
- additives eg resinous Polyorganosiloxanes, which are different from the diorganopolysiloxanes (A) and (B), dispersing aids, solvents, adhesion promoters, pigments, dyes, plasticizers, organic polymers, heat stabilizers, etc.
- additives such as dyes, pigments, etc.
- Component (E) thixotropic ingredients such as finely divided silica or other commercially available Thixotropieadditive be contained.
- Formula HSi (CH 3) 2 - [O-Si (CH3) 2] W may be present -H, where w is from 1 to 1000 means.
- the compounding of the silicone rubber is carried out by mixing the above listed components in any order.
- Composite insulators such as e.g. also for the serving of
- the silicone rubber filled in the casting mold is exposed in such a way that its fast cross-linking is initiated.
- the mold does not have to be transparent to the UV radiation in this arrangement. It may be necessary to apply the irradiation of the rubber in several layers or, after several
- Fig. 2 shows the roughly schematic arrangement with UV irradiation facilities above and below the
- Silicone rubber is so in such a modification
- crosslinking is suitably delayed and, after its exposure but before crosslinking, allows the mold to be filled.
- Silicone rubber also in the apron .der filling.
- the silicone rubber is so in such a modification
- crosslinking is suitably delayed and, after irradiation but before crosslinking, allows filling of the mold.
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Organic Insulating Materials (AREA)
- Insulating Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011088248A DE102011088248A1 (de) | 2011-12-12 | 2011-12-12 | Verfahren zur Herstellung von Verbundisolatoren |
| PCT/EP2012/073842 WO2013087414A1 (de) | 2011-12-12 | 2012-11-28 | Verfahren zur herstellung von verbundisolatoren mittels uv-vernetzung von siliconkautschuk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2791948A1 true EP2791948A1 (de) | 2014-10-22 |
| EP2791948B1 EP2791948B1 (de) | 2015-08-26 |
Family
ID=47227812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12791489.3A Revoked EP2791948B1 (de) | 2011-12-12 | 2012-11-28 | Verfahren zur herstellung von verbundisolatoren mittels uv-vernetzung von siliconkautschuk |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9236164B2 (de) |
| EP (1) | EP2791948B1 (de) |
| JP (1) | JP2015508422A (de) |
| KR (1) | KR101639231B1 (de) |
| CN (1) | CN103930955A (de) |
| DE (1) | DE102011088248A1 (de) |
| WO (1) | WO2013087414A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018202405A1 (de) * | 2018-02-16 | 2019-08-22 | Lapp Insulators Gmbh | Isolator für Freiluftanwendungen |
| DE102020116246A1 (de) | 2020-06-19 | 2021-12-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Verfahren zur Härtung von Silikonschichten |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3535145A (en) | 1965-11-12 | 1970-10-20 | Dow Corning | Surface treatment of organic polymers |
| DE2044179C3 (de) | 1970-09-05 | 1975-01-09 | Rosenthal Technik Ag, 8672 Selb | Verfahren zur Herstellung von Kunststoff-Verbundisolatoren und Vorrichtung zur Durchführung dieses Verfahrens |
| US3816282A (en) * | 1971-04-15 | 1974-06-11 | Gen Electric | Radiation induced polymerization of polysiloxanes |
| US4064027A (en) | 1973-09-28 | 1977-12-20 | Dow Corning Corporation | UV curable composition |
| DE2519007B2 (de) * | 1975-04-29 | 1981-05-21 | Rosenthal Technik Ag, 8672 Selb | Ein- und mehrteiliger Verbundschirm und Verfahren zu seiner Befestigung an einem Glasfaserstrunk |
| DE2746870C2 (de) | 1977-10-19 | 1982-08-26 | Rosenthal Technik Ag, 8672 Selb | Verfahren zur Herstellung von Freiluft-Verbundisolatoren |
| US4163082A (en) | 1978-10-23 | 1979-07-31 | Dow Corning Corporation | U.V.-radiation method for decreasing surface tack of disposed organopolysiloxane greases and gels |
| JP2758221B2 (ja) | 1989-08-11 | 1998-05-28 | 富士通株式会社 | コヒーレント光通信用受信装置 |
| CN2068718U (zh) | 1990-04-10 | 1991-01-02 | 能源部武汉高压研究所 | 组合绝缘防污绝缘子 |
| JPH0520342A (ja) | 1991-07-10 | 1993-01-29 | Toshiba Corp | 入荷実績管理システム |
| DE4426927A1 (de) | 1994-07-29 | 1996-02-01 | Hoechst Ceram Tec Ag | Elektrischer Isolator aus Silikongummi für Hochspannungsanwendungen |
| JP3453017B2 (ja) * | 1995-12-19 | 2003-10-06 | 日本碍子株式会社 | ポリマー碍子 |
| JP3910660B2 (ja) * | 1996-05-24 | 2007-04-25 | 古河電気工業株式会社 | 送電線用高電圧機器部品 |
| DE19629796C5 (de) | 1996-07-24 | 2004-12-16 | Lapp Insulator Gmbh & Co. Kg | Kunststoffverbundisolator mit spiralförmigem Schirm und Verfahren zu seiner Herstellung |
| DE69736918T2 (de) | 1996-07-31 | 2007-09-06 | Prysmian Cavi E Sistemi Energia S.R.L. | Zweischichtige elastische rohrförmige Umhüllung für elektrische Bauteile, insbesondere elektrische Kabelendverschlüsse, sowie dazugehöriges Herstellungsverfahren und Montage |
| DE19851764A1 (de) | 1998-12-04 | 2000-06-08 | Wacker Chemie Gmbh | Hitzehärtbare einkomponentige additionsvernetzende Siliconmassen |
| DE19858215C2 (de) | 1998-12-17 | 2003-07-24 | Ceramtec Ag | Verfahren und Vorrichtung zur Herstellung von Verbundisolatoren |
| EP1091365B1 (de) | 1999-10-07 | 2005-10-26 | Axicom AG, Zweigniederlassung Wohlen | Verfahren zur Herstellung eines hohlen Verbundisolators |
| EP1130605A1 (de) | 2000-03-01 | 2001-09-05 | Wermelinger AG | Verfahren zur Herstellung eines Hochspannungsverbundisolators, Hochspannungsisolator sowie Kunststoff zur Verwendung in dem Verfahren, und Verfahren zur Herstellung eines nicht-zylindrischen Bauteils |
| DE102004036573A1 (de) * | 2004-07-28 | 2006-03-23 | Ge Bayer Silicones Gmbh & Co. Kg | Verwendung lichtaktivierbarer, härtbarer Silikonzusammensetzungen zur Herstellung von dickwandigen Formartikeln oder dickwandigen Beschichtungen |
| US20090062417A1 (en) | 2007-08-31 | 2009-03-05 | Momentive Performance Materials Gmbh | Process For The Continuous Manufacturing Of Shaped Articles And Use Of Silicone Rubber Compositions In That Process |
| DE102008043316A1 (de) | 2008-10-30 | 2010-05-06 | Wacker Chemie Ag | Verfahren zur Herstellung von Siliconformkörpern aus durch Licht vernetzbaren Siliconmischungen |
| DE102009002231A1 (de) * | 2009-04-06 | 2010-10-07 | Wacker Chemie Ag | Bei Raumtemperatur selbsthaftende Pt-katalysierte additions-vernetzende Siliconzusammensetzungen |
| DE102009027486A1 (de) * | 2009-07-06 | 2011-01-13 | Wacker Chemie Ag | Verfahren zur Herstellung von Siliconbeschichtungen und Siliconformkörpern aus durch Licht vernetzbaren Siliconmischungen |
| JP2011101269A (ja) * | 2009-11-09 | 2011-05-19 | Seiko Epson Corp | 画像供給装置、画像形成装置およびこれらを備えた画像形成システム |
| DE102010002141A1 (de) * | 2010-02-19 | 2011-08-25 | Momentive Performance Materials GmbH, 51373 | Integrale Bestrahlungseinheit |
-
2011
- 2011-12-12 DE DE102011088248A patent/DE102011088248A1/de not_active Withdrawn
-
2012
- 2012-11-28 JP JP2014545178A patent/JP2015508422A/ja active Pending
- 2012-11-28 EP EP12791489.3A patent/EP2791948B1/de not_active Revoked
- 2012-11-28 US US14/355,795 patent/US9236164B2/en not_active Expired - Fee Related
- 2012-11-28 WO PCT/EP2012/073842 patent/WO2013087414A1/de not_active Ceased
- 2012-11-28 KR KR1020147009400A patent/KR101639231B1/ko not_active Expired - Fee Related
- 2012-11-28 CN CN201280056088.8A patent/CN103930955A/zh active Pending
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2013087414A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2791948B1 (de) | 2015-08-26 |
| US20140296365A1 (en) | 2014-10-02 |
| JP2015508422A (ja) | 2015-03-19 |
| CN103930955A (zh) | 2014-07-16 |
| US9236164B2 (en) | 2016-01-12 |
| WO2013087414A1 (de) | 2013-06-20 |
| KR20140074340A (ko) | 2014-06-17 |
| KR101639231B1 (ko) | 2016-07-13 |
| DE102011088248A1 (de) | 2013-06-13 |
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