CN105038342A - Self-spraying silica gel insulating paint and preparation process thereof - Google Patents
Self-spraying silica gel insulating paint and preparation process thereof Download PDFInfo
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- CN105038342A CN105038342A CN201510380108.2A CN201510380108A CN105038342A CN 105038342 A CN105038342 A CN 105038342A CN 201510380108 A CN201510380108 A CN 201510380108A CN 105038342 A CN105038342 A CN 105038342A
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- insulating paint
- silicon rubber
- rubber insulating
- blowing type
- self
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- 239000003973 paint Substances 0.000 title claims abstract description 43
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000005507 spraying Methods 0.000 title claims abstract description 20
- 239000000741 silica gel Substances 0.000 title abstract 3
- 229910002027 silica gel Inorganic materials 0.000 title abstract 3
- 238000002360 preparation method Methods 0.000 title 1
- -1 polysiloxane Polymers 0.000 claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 10
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 10
- 239000002904 solvent Substances 0.000 claims abstract description 9
- 239000007822 coupling agent Substances 0.000 claims abstract description 7
- 229920002379 silicone rubber Polymers 0.000 claims description 41
- 238000007664 blowing Methods 0.000 claims description 34
- 239000000203 mixture Substances 0.000 claims description 24
- 229910021392 nanocarbon Inorganic materials 0.000 claims description 23
- 239000003085 diluting agent Substances 0.000 claims description 16
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 16
- 239000000047 product Substances 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 12
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 claims description 12
- 229910000077 silane Inorganic materials 0.000 claims description 12
- 229910021536 Zeolite Inorganic materials 0.000 claims description 11
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 11
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 11
- 239000010457 zeolite Substances 0.000 claims description 11
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 10
- FSEUPUDHEBLWJY-HWKANZROSA-N diacetylmonoxime Chemical compound CC(=O)C(\C)=N\O FSEUPUDHEBLWJY-HWKANZROSA-N 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- 239000002594 sorbent Substances 0.000 claims description 10
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 8
- 239000006227 byproduct Substances 0.000 claims description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 8
- 239000001110 calcium chloride Substances 0.000 claims description 8
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 8
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 claims description 8
- 238000010790 dilution Methods 0.000 claims description 8
- 239000012895 dilution Substances 0.000 claims description 8
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- 239000002808 molecular sieve Substances 0.000 claims description 8
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 8
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 8
- 230000001737 promoting effect Effects 0.000 claims description 8
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- BOUGCJDAQLKBQH-UHFFFAOYSA-N 1-chloro-1,2,2,2-tetrafluoroethane Chemical class FC(Cl)C(F)(F)F BOUGCJDAQLKBQH-UHFFFAOYSA-N 0.000 claims description 7
- IXAWXWACDBWEJF-UHFFFAOYSA-L C(CCCCCCC)[Sn+2]CCCCCCCC.C(CCCCCCCCCCC)(=O)[O-].C(CCCCCCCCCCC)(=O)[O-].[Sn+4] Chemical compound C(CCCCCCC)[Sn+2]CCCCCCCC.C(CCCCCCCCCCC)(=O)[O-].C(CCCCCCCCCCC)(=O)[O-].[Sn+4] IXAWXWACDBWEJF-UHFFFAOYSA-L 0.000 claims description 6
- RMKZLFMHXZAGTM-UHFFFAOYSA-N [dimethoxy(propyl)silyl]oxymethyl prop-2-enoate Chemical compound CCC[Si](OC)(OC)OCOC(=O)C=C RMKZLFMHXZAGTM-UHFFFAOYSA-N 0.000 claims description 6
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 6
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 6
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 6
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 claims description 6
- 229940029284 trichlorofluoromethane Drugs 0.000 claims description 6
- 229920002554 vinyl polymer Polymers 0.000 claims description 6
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 claims description 4
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 claims description 4
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 2
- 150000004756 silanes Chemical class 0.000 claims description 2
- 238000000576 coating method Methods 0.000 abstract description 21
- 239000011248 coating agent Substances 0.000 abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000003860 storage Methods 0.000 abstract description 3
- 239000006229 carbon black Substances 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 abstract description 2
- 239000003463 adsorbent Substances 0.000 abstract 3
- 239000012190 activator Substances 0.000 abstract 2
- 239000003431 cross linking reagent Substances 0.000 abstract 2
- 239000003380 propellant Substances 0.000 abstract 2
- 239000013543 active substance Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000000499 gel Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 6
- 150000003384 small molecules Chemical class 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- AHJKRLASYNVKDZ-UHFFFAOYSA-N DDD Chemical compound C=1C=C(Cl)C=CC=1C(C(Cl)Cl)C1=CC=C(Cl)C=C1 AHJKRLASYNVKDZ-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 239000004971 Cross linker Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention relates to a self-spraying silica gel insulating paint which comprises the following components in parts by weight: a hydroxyl-terminated polysiloxane; nano white carbon black; a filler; an adsorbent; an active agent; a crosslinking agent; a coupling agent; a catalyst; a solvent and a propellant. The invention adds the adsorbent and the activator; the adsorbent can suck out moisture in air mixed in the coating processing process and water in the solvent or the propellant to form crystal water, so that the phenomenon that the crosslinking agent in the tank body is hydrolyzed to cause coating vulcanized gel is avoided; the activator can be firstly diffused to the surface of the coating and reacts with residual water in the self-spraying tank body to remove water, so that the storage life of the self-spraying tank coating is effectively prolonged and is more than 1 year. The coating has a self-spraying function, is designed into a small package, so that the construction is more convenient and flexible, the difficulty of field and high-altitude operation is relieved, the manpower, material resources and financial resources are greatly saved, and the construction cost is reduced. Meanwhile, the invention also discloses a manufacturing process of the self-spraying silica gel insulating coating.
Description
Technical field
The present invention relates to paint field, in particular a kind of blowing type silicone insulation coating and manufacture craft thereof.
Background technology
In recent years, silicon rubber insulating paint has had in power industry, electron trade and has used widely, particularly silicon rubber insulating paint has excellent insulation, high pressure resistant, hydrophobic and anti-aging property, play an important role in the antifouling work of power transmission and transforming equipment, become the first-selected coating of power transmission and transforming equipment protection.But due to the impact of weather, environmental factors, working time may there is the phenomenons such as aging, antifouling work inefficacy in permanent silicon rubber insulation coating local, is necessary to repair these coatings or renovate in time.Current the most frequently used restorative procedure adopts aerial spraying technique and self-spraying tank technology.Namely sprayed by the air gun of diesel compressor, aerial spraying technique and band watering can.And aerial spraying weight of equipment is large, difficult, is not suitable for transmission line construction.Self-spraying tank technology adopts little volume packing, is easy to carry, and has again blowing function, easy to use, is Future Development direction.The silicon rubber insulating paint Problems existing of current blowing has: 1. coating gel, and the shelf lives is short, is generally less than 3 months; 2. spout very easily blocks, and waste is serious.
Summary of the invention
The object of the present invention is to provide one not gel, storage time is long; Blowing does not block, and easy construction is flexible; The blowing type silicon rubber insulating paint of physical and mechanical properties excellence.
A kind of blowing type silicon rubber insulating paint, is grouped into by the one-tenth of following parts by weight: hydroxy-terminated polysiloxane 20-30 part; Nano carbon white 1-5 part; Filler 5-15 part; Sorbent material 1-5 part; Promoting agent 0.01-0.5 part; Linking agent 0.5-1 part; Coupling agent 0.1-0.5 part; Catalyzer 0.1-0.5 part; Solvent 20-30 part; Propellent 20-40 part.
Further, described hydroxy-terminated polysiloxane is α, omega end hydroxyl polydimethylsiloxane; α, omega end hydroxyl Polymethyl methacrylate; α, one or more in omega end hydroxyl PSI.
Further, described terminal hydroxy group gathers silica kinematic viscosity is 2000-50000mpa.s.
Further, described filler is one or more in nano-calcium carbonate, aluminum oxide, zinc borate, silica powder, antimonous oxide, TDE.
Further, described sorbent material is one or more in Calcium Chloride Powder Anhydrous, molecular sieve, zeolite; Described promoting agent is one or more in Diacetylmonoxime, tolylene diisocyanate, hexamethyldisilazane.
Further, described linking agent is one or more in tetraethoxy, ethyl polysilicate, methyl tributanoximo silane, four Diacetylmonoxime base silanes, vinyl Diacetylmonoxime base silane, methyl tri acetylacetonate base silane; Described coupling agent is one or more in aminopropyl trimethoxysilane, vinyltrimethoxy silane, epoxypropyl Trimethoxy silane, acryloxypropyl Trimethoxy silane.
Further, described catalyzer is one or more in dibutyl tin laurate, tin dilaurate dioctyl tin, tributyl titanic acid ester, tetrabutyl titanate ester, four isobutyl-titanic acid ester.
Further, described solvent is the one in zellon, tetracol phenixin; Described propellent is one or more in Trichloromonofluoromethane, methylene fluoride, three chloro-tetrafluoroethanes.
A manufacture craft for blowing type silicon rubber insulating paint, comprises the following steps:
(1), respectively Nano carbon white, filler, sorbent material are placed in separately 160-220 DEG C of baking and remove moisture in 3-4 hour;
(2), hydroxy-terminated polysiloxane and the Nano carbon white after step (1) baking is anhydrated, filler, sorbent material add after vacuum mixer fully stirs into mixture and vacuumize by order successively;
(3), under wet condition, mixture solvent being joined step (2) carries out dilution grinding until mixture dissolves obtain diluent;
(4) diluent, linking agent, coupling agent, catalyzer, promoting agent being joined step (3) namely obtains product silicon rubber insulating paint;
(5), by product divide and be filled to self-spraying tank, high pressure pours into propellent, namely obtains finished product blowing type silicon rubber insulating paint.
Further, the storing temperature in step (1) is 180 DEG C, and baking time is 3.5 hours.
The present invention is using hydroxy-terminated polysiloxane as the sizing of coating, make coating high-performance anticorrosive, can permanently effective maintenance color and gloss, and adding of filler is the gloss, quality etc. that adjust coating further, the more important thing is its insulativity that can improve coating and flame retardant resistance, ensure that the coating performance that the present invention is formed is excellent, evenly drip is not hung, and has good insulation and ageing-resistant performance.The present invention also adds sorbent material and promoting agent; Sorbent material has efficient water absorbing properties, the water sucking-off of the air moisture content be mixed in coating process and solvent or propellent existence can be formed crystal water, stop the hydrolysis of tank body internal crosslinker and cause coating sulfuration gel; And promoting agent can be diffused into coating surface at first, react with water residual in blowing tank body and dewater, thus effectively extend the shelf lives of self-spraying tank coating, the shelf lives reaches more than 1 year.Present invention achieves silicon rubber insulating paint blowing function simultaneously, being designed to small packages makes construction more flexibly convenient, improve field that silicon rubber insulating paint exists in power industry use procedure, working aloft difficulty, greatly saved human and material resources and financial resources, reduced construction cost.
Embodiment
embodiment 1
Get the raw materials ready according to following ratio of weight and number: α, omega end hydroxyl polydimethylsiloxane (20000mpa.s) 20 parts; Nano carbon white 5 parts; 2 parts, aluminum oxide, TDE 5 parts; Calcium Chloride Powder Anhydrous 1 part; Diacetylmonoxime 0.01 part; Tetraethoxy 0.5 part; Epoxypropyl Trimethoxy silane 0.1 part; Tin dilaurate dioctyl tin 0.1 part; 30 parts, tetracol phenixin; Trichloromonofluoromethane 40 parts.
Concrete manufacture craft is as follows:
(1), respectively by Nano carbon white, aluminum oxide, TDE, Calcium Chloride Powder Anhydrous, be separately placed in 160 DEG C baking 4 hours remove moisture;
(2), successively sequentially by α, omega end hydroxyl polydimethylsiloxane and the off-white carbon black after step (1) baking is anhydrated, aluminum oxide, TDE, Calcium Chloride Powder Anhydrous add after vacuum mixer fully stirs into mixture and vacuumize, can remove the material such as water molecules and small molecules by vacuumizing;
(3), under wet condition, mixture tetracol phenixin being joined step (2) carries out dilution grinding until mixture dissolves obtain diluent;
(4) diluent, tetraethoxy, epoxypropyl Trimethoxy silane, tin dilaurate dioctyl tin, Diacetylmonoxime being joined step (3) namely obtains product silicon rubber insulating paint;
(5), by product divide and be filled to self-spraying tank, high pressure pours into Trichloromonofluoromethane, namely obtains finished product blowing type silicon rubber insulating paint.
embodiment 2
Get the raw materials ready according to following parts by weight: α, omega end hydroxyl polydimethylsiloxane (50000mpa.s) 30 parts; Nano carbon white 1 part; Silica powder 10 parts, zinc borate 5 parts; 3 parts, molecular sieve; Tolylene diisocyanate 0.1 part; Vinyl Diacetylmonoxime base silane 1 part; Acryloxypropyl Trimethoxy silane 0.5 part; Tributyl titanic acid ester 0.5 part; Zellon 20 parts; Trichloromonofluoromethane 20 parts.
The manufacture craft of blowing type silicon rubber insulating paint, comprises the following steps:
(1), respectively Nano carbon white, silica powder, zinc borate, molecular sieve are placed in separately 180 DEG C of bakings and remove moisture in 3.5 hours;
(2), successively sequentially by α, omega end hydroxyl polydimethylsiloxane and the Nano carbon white after step (1) baking is anhydrated, silica powder, zinc borate, molecular sieve add after vacuum mixer fully stirs into mixture and vacuumize, can remove the material such as water molecules and small molecules by vacuumizing;
(3), under wet condition, mixture zellon being joined step (2) carries out dilution grinding until mixture dissolves obtain diluent;
(4) diluent, vinyl Diacetylmonoxime base silane, acryloxypropyl Trimethoxy silane, tributyl titanic acid ester, tolylene diisocyanate being joined step (3) namely obtains product silicon rubber insulating paint;
(5), by product divide and be filled to self-spraying tank, high pressure pours into Trichloromonofluoromethane, namely obtains finished product blowing type silicon rubber insulating paint.
embodiment 3
Get the raw materials ready according to following parts by weight: α, omega end hydroxyl polydimethylsiloxane (30000mpa.s) 25 parts; Nano carbon white 3 parts; Nano-calcium carbonate 2 parts, TDE 3 parts; 3 parts, zeolite; Hexamethyldisilazane 0.5 part; Vinyl Diacetylmonoxime base silane 0.8 part; Aminopropyl trimethoxysilane 0.3 part; Four isobutyl-titanic acid ester 0.3 part; Zellon 25 parts; Methylene fluoride 30 parts.
The manufacture craft of blowing type silicon rubber insulating paint, comprises the following steps:
(1), respectively Nano carbon white, nano-calcium carbonate, TDE, zeolite are placed in separately 200 DEG C of bakings and remove moisture in 3.8 hours;
(2), successively sequentially by α, omega end hydroxyl polydimethylsiloxane and the Nano carbon white after step (1) baking is anhydrated, nano-calcium carbonate, TDE, zeolite add after vacuum mixer fully stirs into mixture and vacuumize, can remove the material such as water molecules and small molecules by vacuumizing;
(3), under wet condition, mixture zellon being joined step (2) carries out dilution grinding until mixture dissolves obtain diluent;
(4) diluent, vinyl Diacetylmonoxime base silane, aminopropyl trimethoxysilane, four isobutyl-titanic acid ester, hexamethyldisilazane being joined step (3) namely obtains product silicon rubber insulating paint;
(5), by product divide and be filled to self-spraying tank, high pressure pours into methylene fluoride, namely obtains finished product blowing type silicon rubber insulating paint.
embodiment 4
Get the raw materials ready according to following parts by weight: α, omega end hydroxyl Polymethyl methacrylate (30000mpa.s) 25 parts; Nano carbon white 4 parts; Nano-calcium carbonate 2 parts, antimonous oxide 8 parts; Calcium Chloride Powder Anhydrous 1 part, 2 parts, zeolite; Diacetylmonoxime 0.1 part; Ethyl polysilicate 0.7 part; Vinyltrimethoxy silane 0.4 part; Tributyl titanic acid ester 0.2 part; Zellon 25 parts, three chloro-tetrafluoroethane 25 parts.
The manufacture craft of blowing type silicon rubber insulating paint, comprises the following steps:
(1), respectively Nano carbon white, nano-calcium carbonate, antimonous oxide, Calcium Chloride Powder Anhydrous, zeolite are placed in separately 170 DEG C of bakings and remove moisture in 4 hours;
(2), successively sequentially by α, omega end hydroxyl Polymethyl methacrylate and the Nano carbon white after step (1) baking is anhydrated, nano-calcium carbonate, antimonous oxide, Calcium Chloride Powder Anhydrous, zeolite add after vacuum mixer fully stirs into mixture and vacuumize, can remove the material such as water molecules and small molecules by vacuumizing;
(3), under wet condition, mixture zellon being joined step (2) carries out dilution grinding until mixture dissolves obtain diluent;
(4) diluent, ethyl polysilicate, vinyltrimethoxy silane, tributyl titanic acid ester, Diacetylmonoxime being joined step (3) namely obtains product silicon rubber insulating paint;
(5), by product divide and be filled to self-spraying tank, high pressure pours into three chloro-tetrafluoroethanes, namely obtains finished product blowing type silicon rubber insulating paint.
embodiment 5
Get the raw materials ready according to following parts by weight: α, omega end hyd roxymethyl phenyl siloxanes (10000mpa.s) 28 parts; Nano carbon white 2 parts; 2 parts, aluminum oxide, zinc borate 3 parts, silica powder 5 parts; 4 parts, zeolite; Tolylene diisocyanate 0.3 part; Methyl tri acetylacetonate base silane 0.8 part; Acryloxypropyl Trimethoxy silane 0.2 part; Tin dilaurate dioctyl tin 0.4 part; Zellon 23 parts, three chloro-tetrafluoroethane 33 parts.
The manufacture craft of blowing type silicon rubber insulating paint, comprises the following steps:
(1), respectively Nano carbon white, aluminum oxide, zinc borate, silica powder, zeolite are placed in separately 220 DEG C of bakings and remove moisture in 3 hours;
(2), successively sequentially by α, omega end hyd roxymethyl phenyl siloxanes and the Nano carbon white after step (1) baking is anhydrated, aluminum oxide, zinc borate, silica powder, zeolite add after vacuum mixer fully stirs into mixture and vacuumize, can remove the material such as water molecules and small molecules by vacuumizing;
(3), under wet condition, mixture zellon being joined step (2) carries out dilution grinding until mixture dissolves obtain diluent;
(4) diluent, methyl tri acetylacetonate base silane, acryloxypropyl Trimethoxy silane, tin dilaurate dioctyl tin, tolylene diisocyanate being joined step (3) namely obtains product silicon rubber insulating paint;
(5), by product divide and be filled to self-spraying tank, high pressure pours into three chloro-tetrafluoroethanes, namely obtains finished product blowing type silicon rubber insulating paint.
embodiment 6
Get the raw materials ready according to following parts by weight: α, omega end hyd roxymethyl phenyl siloxanes (20000mpa.s) 33 parts; Nano carbon white 3 parts; Zinc borate 9 parts; 3 parts, molecular sieve; Diacetylmonoxime 0.2 part, hexamethyldisilazane 0.1 part; Ethyl polysilicate 0.65 part; Vinyltrimethoxy silane 0.3 part; Tributyl titanic acid ester 0.2 part; Zellon 24 parts, three chloro-tetrafluoroethane 32 parts.
The manufacture craft of blowing type silicon rubber insulating paint, comprises the following steps:
(1), respectively Nano carbon white, zinc borate, molecular sieve are placed in separately 210 DEG C of bakings and remove moisture in 3.1 hours;
(2), successively sequentially by α, omega end hyd roxymethyl phenyl siloxanes and the Nano carbon white after step (1) baking is anhydrated, zinc borate, molecular sieve add after vacuum mixer fully stirs into mixture and vacuumize, can remove the material such as water molecules and small molecules by vacuumizing;
(3), under wet condition, mixture zellon being joined step (2) carries out dilution grinding until mixture dissolves obtain diluent;
(4) diluent, ethyl polysilicate, vinyltrimethoxy silane, tributyl titanic acid ester, Diacetylmonoxime, hexamethyldisilazane being joined step (3) namely obtains product silicon rubber insulating paint;
(5), by product divide and be filled to self-spraying tank, high pressure pours into propellent, namely obtains finished product blowing type silicon rubber insulating paint.
The blowing type silicon rubber insulating paint manufactured by embodiment 1-6 detects, and obtains following data (table 1).
Table 1
| Test item | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Described 6 |
| Sticking power | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Viscosity (s) | 63 | 78 | 69 | 82 | 88 | 90 |
| Surface drying (min) | 25 | 28 | 25 | 26 | 27 | 30 |
| Insulativity (kv/mm) | 24.5 | 23.1 | 22.4 | 24.8 | 22.5 | 23.6 |
| Hydrophobic nature | HC1 | HC1 | HC1 | HC1 | HC1 | HC1 |
| Flame retardant resistance | FV-0 | FV-0 | FV-0 | FV-0 | FV-0 | FV-0 |
| Tensile strength (Mpa) | 5 | 5.3 | 5.2 | 4.9 | 5.1 | 5 |
| Tearing toughness (KN/m) | 15 | 15.3 | 15.6 | 15.2 | 15.1 | 15.4 |
| Tensile yield (%) | 350 | 330 | 340 | 325 | 338 | 340 |
| Stability in storage | More than 1 year | More than 1 year | More than 1 year | More than 1 year | More than 1 year | More than 1 year |
Claims (10)
1. a blowing type silicon rubber insulating paint, is characterized in that: be grouped into by the one-tenth of following parts by weight: hydroxy-terminated polysiloxane 20-30 part; Nano carbon white 1-5 part; Filler 5-15 part; Sorbent material 1-5 part; Promoting agent 0.01-0.5 part; Linking agent 0.5-1 part; Coupling agent 0.1-0.5 part; Catalyzer 0.1-0.5 part; Solvent 20-30 part; Propellent 20-40 part.
2. the silicon rubber insulating paint of blowing type according to claim 1, is characterized in that: described hydroxy-terminated polysiloxane is α, omega end hydroxyl polydimethylsiloxane; α, omega end hydroxyl Polymethyl methacrylate; α, one or more in omega end hydroxyl PSI.
3. the silicon rubber insulating paint of blowing type according to claim 2, is characterized in that: it is 2000-50000mpa.s that described terminal hydroxy group gathers silica kinematic viscosity.
4. the silicon rubber insulating paint of blowing type according to claim 1, is characterized in that: described filler is one or more in nano-calcium carbonate, aluminum oxide, zinc borate, silica powder, antimonous oxide, TDE.
5. the silicon rubber insulating paint of blowing type according to claim 1, is characterized in that: described sorbent material is one or more in Calcium Chloride Powder Anhydrous, molecular sieve, zeolite; Described promoting agent is one or more in Diacetylmonoxime, tolylene diisocyanate, hexamethyldisilazane.
6. the silicon rubber insulating paint of blowing type according to claim 1, is characterized in that: described linking agent is one or more in tetraethoxy, ethyl polysilicate, methyl tributanoximo silane, four Diacetylmonoxime base silanes, vinyl Diacetylmonoxime base silane, methyl tri acetylacetonate base silane; Described coupling agent is one or more in aminopropyl trimethoxysilane, vinyltrimethoxy silane, epoxypropyl Trimethoxy silane, acryloxypropyl Trimethoxy silane.
7. the silicon rubber insulating paint of blowing type according to claim 1, is characterized in that: described catalyzer is one or more in dibutyl tin laurate, tin dilaurate dioctyl tin, tributyl titanic acid ester, tetrabutyl titanate ester, four isobutyl-titanic acid ester.
8. the silicon rubber insulating paint of blowing type according to claim 1, is characterized in that: described solvent is the one in zellon, tetracol phenixin; Described propellent is one or more in Trichloromonofluoromethane, methylene fluoride, three chloro-tetrafluoroethanes.
9. the manufacture craft of blowing type silicon rubber insulating paint as described in any one of claim 1-8, is characterized in that, comprise the following steps:
(1), respectively Nano carbon white, filler, sorbent material are placed in separately 160-220 DEG C of baking and remove moisture in 3-4 hour;
(2), hydroxy-terminated polysiloxane and the Nano carbon white after step (1) baking is anhydrated, filler, sorbent material add after vacuum mixer fully stirs into mixture and vacuumize by order successively;
(3), under wet condition, mixture solvent being joined step (2) carries out dilution grinding until mixture dissolves obtain diluent;
(4) diluent, linking agent, coupling agent, catalyzer, promoting agent being joined step (3) namely obtains product silicon rubber insulating paint;
(5), by product divide and be filled to self-spraying tank, high pressure pours into propellent, namely obtains finished product blowing type silicon rubber insulating paint.
10. the manufacture craft of the silicon rubber insulating paint of blowing type according to claim 9, is characterized in that, the storing temperature in step (1) is 180 DEG C, and baking time is 3.5 hours.
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| CN201510380108.2A CN105038342A (en) | 2015-07-02 | 2015-07-02 | Self-spraying silica gel insulating paint and preparation process thereof |
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| CN201510380108.2A CN105038342A (en) | 2015-07-02 | 2015-07-02 | Self-spraying silica gel insulating paint and preparation process thereof |
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| CN105670501A (en) * | 2016-02-02 | 2016-06-15 | 重庆洎皋电力科技有限责任公司 | Special RTV (room temperature vulcanization) anti-pollution flashover coating for high voltage live condition |
| CN107446505A (en) * | 2017-07-25 | 2017-12-08 | 山东申烨电气科技有限公司 | Compound inslation strength cleaning and repairing agent and preparation method thereof |
| CN108299911A (en) * | 2017-09-30 | 2018-07-20 | 江苏亿可得电子科技有限公司 | A kind of energy saving and environment friendly television set coatings preparation method |
| CN108610720A (en) * | 2018-04-18 | 2018-10-02 | 北京世纪航凯电力科技股份有限公司 | A kind of fire-retardant shelf-stable antifouling work RTV coating and preparation method thereof |
| CN108610954A (en) * | 2017-02-08 | 2018-10-02 | 阙燕娣 | A kind of production method of insulation self-spraying paint for power equipment |
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| CN105670501A (en) * | 2016-02-02 | 2016-06-15 | 重庆洎皋电力科技有限责任公司 | Special RTV (room temperature vulcanization) anti-pollution flashover coating for high voltage live condition |
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| CN107446505A (en) * | 2017-07-25 | 2017-12-08 | 山东申烨电气科技有限公司 | Compound inslation strength cleaning and repairing agent and preparation method thereof |
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| CN109971343A (en) * | 2019-05-27 | 2019-07-05 | 广东冠能电力科技发展有限公司 | A kind of abrasion-proof insulating material and its preparation method and application coated on overhead bare conductor |
| CN113956790A (en) * | 2021-12-08 | 2022-01-21 | 合盛硅业股份有限公司 | Organic silicon coating and preparation method thereof |
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