CN103540139B - A kind of liquid silastic and preparation method thereof for high electrical property glass fiber compound material - Google Patents
A kind of liquid silastic and preparation method thereof for high electrical property glass fiber compound material Download PDFInfo
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Abstract
The invention discloses a kind of high electrical property glass fiber compound material liquid silastic and preparation method thereof. Described liquid silastic by A component and B component in mass ratio for 100:2 or 1:1 form; Wherein, A component is made up of according to a certain ratio ethene silicone oil, platinum complex compound and tackifier, and B component is by base glue, and hydrogen containing siloxane, alkynol class inhibitor and tackifier form according to a certain ratio. The preparation of described liquid silastic comprises the preparation of base glue, the preparation of A component, the preparation of B component, the A component making and B component is mixed in mass ratio. Liquid silastic of the present invention has heatproof, corrosion-resistant, insulation, flame-retardant and many other advantage, can directly apply or be laminated on fiberglass pipe, for the protection of the transmission line of electricity of the various adverse circumstances such as high temperature, high pressure, corrosivity is strong and high temperature oil transportation, steam transmitting pipe.<!--1-->
Description
Technical field
The present invention relates to a kind of high electrical property glass fiber compound material liquid silastic and preparation thereofMethod, belongs to silastic material technical field.
Background technology
With the compound fiberglass pipe of silica gel, glass fabric, because thering is excellent heat resistance, normalFor low temperature-70 DEG C between 230 DEG C of high temperature; Resistance to ozone, oxygen, light and weathering aging; HaveHigh insulating property, dielectric constant 3-3.2, breakdown voltage 20-50KV/MM; Pliability is good, surfaceFrictional force is large, good springiness; Resistances to chemical attack etc., are usually used in electric wire electricity under the complex environments such as high temperatureThe protection of road, oily vapor pipeline. Owing to having adopted the compound fiberglass pipe of silica gel to do insulating protectionMaterial, had both improved the security performance of transmission line of electricity, was convenient to again maintenance, had also reduced and had been produced intoThis.
In glass fiber material Compound Machining, silicon rubber is one of its coating material. These silicon-coatingThe fibre of rubber, has good serviceability, for example: heatproof, resistance to chemical attack,Fracture strength, tearing strength are high, have now been widely used in building, electric insulation pipeline flexibleThe fields such as connection, chemical anticorrosion and sealing. Traditional silicon rubber multiple tube is that solid is mixingGlue dissolves formulated with non-polar solven, as gasoline, toluene, dimethylbenzene, use in realityContaminated environment not only in process, affects the healthy of operating worker, exists dangerous production hiddenSuffer from, and product electric property is poor, does not reach degree of protection more than 4KV. Liquid silasticBecause having lower viscosity, good fluidity, does not add diluent and can process smoothly yet, for mostlyNumber production plant is used.
Summary of the invention
Technical problem to be solved by this invention be for above drawback provide a kind of have good electricThe fibrous material coating of performance, anti-flammability, cementability and environmental-protecting performance with liquid silastic andIts preparation method, to meet the extensive use requirement of fibre pipe goods of coating silicon rubber.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of high electrical property glass fiber compound material liquid silastic, is characterized by, by A componentWith B component be 100:100 composition in mass ratio, its component is composed as follows:
A components in mass portion is counted meter:
Base glue100 mass parts
Platinum complex compound 2.0～5.0 mass parts
Fire retardant 2.0～3.0 mass parts
B components in mass portion is counted meter:
Base glue 100 mass parts
Hydrogen containing siloxane 0.5～5 mass parts
Inhibitor 0.02～0.2 mass parts
A kind of high electrical property glass fiber compound material liquid silastic, is pressed by A component and B componentMass ratio is 2:100 composition, according to the mass fraction also can be as follows:
A components in mass portion is counted meter:
Base glue1.5 mass parts
Platinum complex compound 0.2～0.5 mass parts
Fire retardant 0.2-0.3 mass parts
B components in mass portion is counted meter:
Base glue 100 mass parts
Hydrogen containing siloxane 0.5～5 mass parts
Inhibitor 0.02～0.2 mass parts
The preparation method of liquid silastic for above-mentioned a kind of high electrical property glass fiber compound material, itsPreparation method is as follows:
(1) prepare base glue
1. polysiloxanes I, the silica of 100 mass parts are added in kneader, at room temperature mediate1～2 hour;
2. be warming up to 160～180 DEG C, then constant temperature is mediated 1 hour;
3. being evacuated to vacuum is 0.8MPa, under vacuum condition, continues to mediate in 160～180 DEG C2 hours, add polysiloxanes II, dilution evenly, obtains described base glue;
(2) prepare A component: add respectively base glue, platinum complex compound according to aforementioned formula umber proportioningAnd fire retardant, mix, obtain described A component;
(3) prepare B component: add respectively base glue, hydrogeneous poly-silica according to aforementioned formula umber proportioningAlkane and inhibitor, mix, and obtains described B component;
(4) by the A component making and B component in mass ratio for 100:100 or 2:100 mix,Obtain described glass bridal veil fibre pipe dip-coating liquid silastic.
Above-mentioned liquid silastic and preparation method thereof for a kind of high electrical property glass fiber compound material,Wherein, the composition of described base glue is as follows by mass percentage:
Polysiloxanes I20～40%
Polysiloxanes II20～30%
Silica 20～25%
Above-mentioned liquid silastic and preparation thereof for a kind of high electrical property glass fiber compound materialMethod, wherein, described polysiloxanes I is to be 8000～15000cp in the viscosity of 25 DEG C of mensuration, contents of ethylene is the organic poly-silica of 0.35～0.5% ethenyl blocking by weight percentageAlkane; Described polysiloxanes II is to be 1000～5000cp, vinyl in the viscosity of 25 DEG C of mensurationContent is the organopolysiloxane of 0.5～1.5% ethenyl blocking by weight percentage; DescribedThe composition general formula of the organopolysiloxane of ethenyl blocking is: R2SiO(SiRR’O)nSiR2, itsIn R be vinyl, R ' is vinyl or methyl, requires above silicone oil to wave part (200 DEG C) noHigher than 0.3%.
Above-mentioned liquid silastic and preparation method thereof for a kind of high electrical property glass fiber compound material,Wherein, described polysiloxanes I and polysiloxanes II are by octamethylcy-clotetrasiloxane and tetrem alkeneBase first divinyl disiloxane, under TMAH catalytic action, in 90-100 DEG CConstant temperature polymerization 2.5 hours, is then warmed up to 150 DEG C of balances 1 hour, then is warmed up to 180 DEG C,Under the vacuum condition of 200pa, deviate from low-molecular material preparation and obtain.
Above-mentioned liquid silastic and preparation method thereof for a kind of high electrical property glass fiber compound material,Wherein, described platinum complex compound is synthetic by coordinations such as chloroplatinic acid and oxolane, isopropyl alcohols, and platinum content is wherein 3000～5000ppm.
Above-mentioned liquid silastic and preparation method thereof for a kind of high electrical property glass fiber compound material,Wherein, the preparation method of described platinum complex compound is: first 20g chloroplatinic acid is added and is placed with 150In the solvent of 0g oxolane, be heated with stirring to boiling point, back flow reaction 4 hours, filters out platinum black, after cleaning with isopropyl alcohol, cleaning fluid is added in filtrate, making platinum content is wherein 3000～5000ppm。
Above-mentioned liquid silastic and preparation method thereof for a kind of high electrical property glass fiber compound material,Wherein, described fire retardant is the compound of platinum chloride and dimethylbenzene, and its platinum content is 500-3000ppm。
Above-mentioned liquid silastic and preparation method thereof for a kind of high electrical property glass fiber compound material,Wherein, the preparation method of described fire retardant is: first 20g platinum chloride is added and is placed with 1500g bis-In toluene solvant, be stirred and heated to boiling point, back flow reaction 4 hours, filters out platinum black, then uses twoToluene is added cleaning fluid in filtrate after cleaning, and making platinum content is wherein 500～3000ppm。
Above-mentioned liquid silastic and preparation method thereof for a kind of high electrical property glass fiber compound material,Wherein, the hydrogen content in described hydrogen containing siloxane is 0.5～0.8% by weight percentage,The degree of polymerization is 40～50.
Above-mentioned liquid silastic and preparation method thereof for a kind of high electrical property glass fiber compound material,Wherein, in described hydrogen containing siloxane, hydrogen content can also be 1.0～1 by weight percentage.2wt.%, the degree of polymerization is 20～30.
Above-mentioned liquid silastic and preparation method thereof for a kind of high electrical property glass fiber compound material,Wherein, described inhibitor is to be 1 in mass ratio by vinyl ring body and fumaric acid diethyl propyl ester:1～5:1 mixes.
Above-mentioned liquid silastic and preparation method thereof for a kind of high electrical property glass fiber compound material,Wherein, described silica is to make hydrophobic aerosil after treatment through silane couplerOr precipitated silica, described silane coupler is selected from HMDS, dimethylDiethoxy silane, dimethyldimethoxysil,ne, dimethyldichlorosilane, diformazan basic ring siliconAny one in oxygen alkane or two kinds of above mixtures;
Above-mentioned liquid silastic and preparation method thereof for a kind of high electrical property glass fiber compound material,Wherein, it is as follows that described silane coupler is done the operation of hydrophobic processing: aerosil is addedEnter in the reaction vessel with agitating function, before heating up, silane coupler, pure water are sprayed into reactionIn container, be warmed up to 120～130 DEG C, insulated and stirred reaction 4 hours, then trueSky is deviate from accessory substance; The mass ratio of described silica and silane coupler and water is 100:25:4。
Beneficial effect of the present invention is: liquid silastic provided by the invention have splendid mobility,Anti-flammability and more electric grand energy, do not need to add still what organic solvent, can directly be applied over various fibresDimension pipe is upper, then in not higher than the drying tunnel of 180 DEG C, heats 5～10 minutes, can be rich inGloss, the fibre pipe goods of the superior coating silicon rubber of feel, described fibre pipe goods applicable for temperatureWide-70～230 DEG C of degree, weatherability is good, and resistance to ozone, light and weathering aging have high insulationPerformance, dielectric constant is 3～3.2, and breakdown voltage is 20～50KV/mm, flexible, and rub in surfaceWiping power is large, good springiness, and resistance to chemical attack,, containing various harmful substances, does not meet the U.S. and EuropeFood Inspection standard, can meet electrical apparatus insulation, non-metal compensator, anticorrosion, heatproof, buildingThe material application requirements in the fields such as sealing, high-temperature anticorrosion.
Therefore, compared with prior art, liquid silicon rubber is used in a kind of fibrous material coating provided by the inventionGlue has conspicuousness progress and beneficial effect, has heatproof, corrosion resistant, insulation, nontoxic etc. manyAdvantage, applied widely, and its preparation method is simple, and with low cost, be applicable to scaleProduce, there is industrial applications and be worth.
Detailed description of the invention
By specific embodiment, the specific embodiment of the present invention is described in further detail below.
Example one
A kind of high electrical property glass fiber compound material liquid silastic, its preparation method is as follows:
(1) prepare base glue
1. prepare polysiloxanes I: polysiloxanes I is by octamethylcy-clotetrasiloxane and tetremThiazolinyl first divinyl disiloxane, under TMAH catalytic action, in 90-100DEG C constant temperature polymerization 2.5 hours, is then warmed up to 150 DEG C of balances 1 hour, then is warmed up to 180 DEG C,Under the vacuum condition of 200Pa, deviate from low-molecular material preparation and obtain, its viscosity 25 DEG C of mensuration is8000～15000cp, contents of ethylene are 0.35～0.5% by weight percentage;
2. make hydrophobic with silane coupler and process aerosil: aerosil is added to bandIn the reaction vessel of agitating function, before heating up, silane coupler, pure water are sprayed into reaction vesselIn, be warmed up to 120～130 DEG C, insulated and stirred reaction 4 hours, then vacuum is deviate from accessory substance;
3. in 1000L kneader, add 400kg polysiloxanes I, 275kg does through silane couplerHydrophobic specific area after treatment is 150-200M2Aerosil, mediate agglomerating follow-up continuousAt room temperature mediate 2 hours.
4. be warming up to 160～180 DEG C, then constant temperature is mediated 1 hour;
5. prepare polysiloxanes II: polysiloxanes II is by octamethylcy-clotetrasiloxane and tetrem thiazolinylFirst divinyl disiloxane, under TMAH catalytic action, in 90-100 DEG C of perseveranceTemperature polymerization 2.5 hours, is then warmed up to 150 DEG C of balances 1 hour, then is warmed up to 180 DEG C, 20Under the vacuum condition of 0Pa, deviate from low-molecular material preparation and obtain, its viscosity 25 DEG C of mensuration is 1000～5000cp, contents of ethylene are 0.5～1.5% by weight percentage;
6. being evacuated to vacuum is 0.8MPa, under vacuum condition, continues to mediate in 160～180 DEG C2 hours, then stop vacuumizing, be cooled to 120 DEG C, add 370kg polysiloxanes II, mixEvenly, obtain described base glue;
(2) prepare A component:
1. prepare platinum complex compound: first 20g chloroplatinic acid is added to the solvent that is placed with 1500g oxolaneIn, being heated with stirring to boiling point, back flow reaction 4 hours, filters out platinum black, after cleaning with isopropyl alcohol, cleaning fluid is added in filtrate, making platinum content is wherein 3000～5000ppm;
2. get base glue 100kg, then add 2.5kg platinum complex compound and 1.5kg fire retardant, mix, obtain described A component, wherein, fire retardant is the compound of platinum chloride and dimethylbenzene, its platinumContent is 500-3000ppm;
(3) prepare B component:
1. prepare inhibitor: be 1:1～5 in mass ratio by vinyl ring body and fumaric acid diethyl propyl ester: 1 mixes
2. get base glue 100kg, then add 800g hydrogen content be 0.5～0.8wt% hydrogen containing siloxane,100g inhibitor, mixes, and obtains described B component;
(4) the A component making and B component 1:1 are mixed, obtain described glass bridal veil fibre pipe and soakPainting liquid silastic.
The aforesaid liquid silicon rubber making is directly applied on fiberglass pipe, through 5 points of 150 DEG C of bakingsClock, obtaining thickness is that 0.01～1.5mm, coated adhesive are firm, soft, anti-flammability isV1The glass tube of level, rich glossiness coating silicon rubber. Proof voltage grade can reach 4KV-6KV, whenNeed height more when voltage request, can add again and be coated with one deck or more multi-layered by above step.
Example two
A kind of high electrical property glass fiber compound material liquid silastic, its preparation method is as follows:
(1) prepare base glue
1. prepare polysiloxanes I: polysiloxanes I is by octamethylcy-clotetrasiloxane and tetrem thiazolinyl firstDivinyl disiloxane, under TMAH catalytic action, in 90-100 DEG C of constant temperaturePolymerization 2.5 hours, is then warmed up to 150 DEG C of balances 1 hour, then is warmed up to 180 DEG C, at 200PUnder the vacuum condition of a, to deviate from low-molecular material preparation and obtain, its viscosity 25 DEG C of mensuration is 8000～15000cp, contents of ethylene are 0.35～0.5% by weight percentage;
2. make hydrophobic with silane coupler and process aerosil: aerosil is added to bandIn the reaction vessel of agitating function, before heating up, silane coupler, pure water are sprayed into reaction vesselIn, (mass ratio of silica and silane coupler and water is 100:25:4), is warmed up to 120～130 DEG C, insulated and stirred reaction 4 hours, then vacuum is deviate from accessory substance;
3. in 1000L kneader, add 400kg polysiloxanes I, 275kg does through silane couplerHydrophobic specific area after treatment is 220-250M2Aerosil, mediate agglomerating follow-up continuousAt room temperature mediate 2 hours.
4. be warming up to 160～180 DEG C, then constant temperature is mediated 1 hour;
5. prepare polysiloxanes II: polysiloxanes II is by octamethylcy-clotetrasiloxane and tetrem thiazolinylFirst divinyl disiloxane, under TMAH catalytic action, in 90-100 DEG C of perseveranceTemperature polymerization 2.5 hours, is then warmed up to 150 DEG C of balances 1 hour, then is warmed up to 180 DEG C, 20Under the vacuum condition of 0Pa, deviate from low-molecular material preparation and obtain, its viscosity 25 DEG C of mensuration is 1000～5000cp, contents of ethylene are 0.5～1.5% by weight percentage;
6. being evacuated to vacuum is 0.8MPa, under vacuum condition, continues to mediate in 160～180 DEG C2 hours, then stop vacuumizing, be cooled to 120 DEG C, add 320kg polysiloxanesII, mixes, and obtains described base glue;
(2) prepare A component:
1. prepare platinum complex compound: first 20g chloroplatinic acid is added to the solvent that is placed with 1500g oxolaneIn, being heated with stirring to boiling point, back flow reaction 4 hours, filters out platinum black, after cleaning with isopropyl alcohol, cleaning fluid is added in filtrate, making platinum content is wherein 3000～5000ppm;
2. get base glue 1.5kg, then add 0.5kg platinum complex compound and 0.2kg fire retardant, mix,Obtain described A component, wherein, fire retardant is the compound of platinum chloride and dimethylbenzene, and its platinum containsAmount is 500-3000ppm;
(3) prepare B component:
1. prepare inhibitor: be 1:1～5 in mass ratio by vinyl ring body and fumaric acid diethyl propyl ester: 1 mixes
2. get base glue 100kg, then to add 2kg hydrogen content be the hydrogen containing siloxane, 1 of 1.0～1.2wt%00g inhibitor, mixes, and obtains described B component;
(4) the A component making and B component 2:100 are mixed, obtain described glass bridal veil fibre pipeDip-coating liquid silastic.
The aforesaid liquid silicon rubber making is directly applied on fiberglass pipe, through 5 points of 150 DEG C of bakingsClock, obtaining thickness is that 0.01～1.5mm, coated adhesive are firm, soft, anti-flammability isV1The glass tube of level, rich glossiness coating silicon rubber. Proof voltage grade can reach 4KV-6KV, whenNeed height more when voltage request, can add again and be coated with one deck or more multi-layered by above step.
In sum, liquid silastic provided by the invention has splendid mobility, anti-flammability andElectric grand energy, does not need to add still what organic solvent, can directly be applied on various fibre pipes,Then in not higher than the drying tunnel of 180 DEG C, heat 5～10 minutes, can obtain being rich in gloss, handFeel the fibre pipe goods of superior coating silicon rubber, described fibre pipe goods Applicable temperature wide (70～230 DEG C), weatherability is good, and resistance to ozone, light and weathering aging have high insulating property and (are situated betweenElectric constant is 3～3.2, and breakdown voltage is 20～50KV/mm), flexible, skin-friction force is large, good springiness, resistance to chemical attack, not containing various harmful substances, meets the U.S. and the inspection of European foodStandard inspection standard, can meet electrical apparatus insulation, non-metal compensator, anticorrosion, heatproof, building sealing,The material application requirements in the fields such as high-temperature anticorrosion.
Therefore, compared with prior art, liquid silicon rubber is used in a kind of fibrous material coating provided by the inventionGlue has conspicuousness progress and beneficial effect, has heatproof, corrosion resistant, insulation, nontoxic etc. manyAdvantage, applied widely, and its preparation method is simple, and with low cost, be applicable to scaleProduce, there is industrial applications and be worth.
Here description of the invention and application is illustrative, not wants scope of the present invention to be limited inIn above-described embodiment, therefore, the present invention is not subject to the restriction of the present embodiment, and any employing equivalence is replacedExchange for technical scheme all in the scope of protection of the invention.
Claims (2)
1. a high electrical property glass fiber compound material liquid silastic, is characterized by, and its preparation method is as follows:
(1) prepare base glue
1. prepare polysiloxanes I: polysiloxanes I is by octamethylcy-clotetrasiloxane and tetrem thiazolinyl first divinyl disiloxane, under TMAH catalytic action, in 90-100 DEG C of constant temperature polymerization 2.5 hours, then be warmed up to 150 DEG C of balances 1 hour, be warmed up to again 180 DEG C, under the vacuum condition of 200Pa, deviate from low-molecular material preparation and obtain, its viscosity 25 DEG C of mensuration is that 8000～15000cp, contents of ethylene are 0.35～0.5% by weight percentage;
2. make hydrophobic with silane coupler and process aerosil: aerosil is added in the reaction vessel with agitating function, before heating up, silane coupler, pure water are sprayed in reaction vessel, be warmed up to 120～130 DEG C, insulated and stirred reaction 4 hours, then vacuum is deviate from accessory substance;
3. in 1000L kneader, add 400kg polysiloxanes I, it is 150-200m that 275kg makes hydrophobic specific area after treatment through silane coupler2The aerosil of/g, mediates agglomerating follow-up continuous at room temperature kneading 2 hours;
4. be warming up to 160～180 DEG C, then constant temperature is mediated 1 hour;
5. prepare polysiloxanes II: polysiloxanes II is by octamethylcy-clotetrasiloxane and tetrem thiazolinyl first divinyl disiloxane, under TMAH catalytic action, in 90-100 DEG C of constant temperature polymerization 2.5 hours, then be warmed up to 150 DEG C of balances 1 hour, be warmed up to again 180 DEG C, under the vacuum condition of 200Pa, deviate from low-molecular material preparation and obtain, its viscosity 25 DEG C of mensuration is that 1000～5000cp, contents of ethylene are 0.5～1.5% by weight percentage;
6. being evacuated to vacuum is 0.8MPa, under vacuum condition, continues to mediate 2 hours in 160～180 DEG C, then stops vacuumizing, and is cooled to 120 DEG C, adds 370kg polysiloxanes II, mixes, and obtains described base glue;
(2) prepare A component:
1. prepare platinum complex compound: first 20g chloroplatinic acid is added in the solvent that is placed with 1500g oxolane, be heated with stirring to boiling point, back flow reaction 4 hours, filter out platinum black, after cleaning with isopropyl alcohol, cleaning fluid is added in filtrate, making platinum content is wherein 3000～5000ppm;
2. get base glue 100kg, then add 2.5kg platinum complex compound and 1.5kg fire retardant, mix, obtain described A component, wherein, fire retardant is the compound of platinum chloride and dimethylbenzene, and its platinum content is 500-3000ppm;
(3) prepare B component:
1. prepare inhibitor: vinyl ring body and fumaric acid diethyl propyl ester are mixed for 1:1～5:1 in mass ratio;
2. get base glue 100kg, then to add 800g hydrogen content be 0.5～0.8wt% hydrogen containing siloxane, 100g inhibitor, mix, obtain described B component;
(4) the A component making and B component 1:1 are mixed, obtain described glass bridal veil fibre pipe dip-coating liquid silastic;
The aforesaid liquid silicon rubber making is directly applied on fiberglass pipe, and through 150 DEG C of bakings 5 minutes, obtaining thickness was that 0.01～1.5mm, coated adhesive are firm, soft, anti-flammability is the glass tube of V1 level, rich glossiness coating silicon rubber; Proof voltage grade can reach 4KV-6KV, when needs more high voltage require time, can by above step add be again coated with one deck or more multi-layered.
2. a high electrical property glass fiber compound material liquid silastic, is characterized by, and its preparation method is as follows:
(1) prepare base glue
1. prepare polysiloxanes I: polysiloxanes I is by octamethylcy-clotetrasiloxane and tetrem thiazolinyl first divinyl disiloxane, under TMAH catalytic action, in 90-100 DEG C of constant temperature polymerization 2.5 hours, then be warmed up to 150 DEG C of balances 1 hour, be warmed up to again 180 DEG C, under the vacuum condition of 200Pa, deviate from low-molecular material preparation and obtain, its viscosity 25 DEG C of mensuration is that 8000～15000cp, contents of ethylene are 0.35～0.5% by weight percentage;
2. make hydrophobic with silane coupler and process aerosil: aerosil is added in the reaction vessel with agitating function, before heating up, silane coupler, pure water are sprayed in reaction vessel, the mass ratio of silica and silane coupler and water is 100:25:4, be warmed up to 120～130 DEG C, insulated and stirred reaction 4 hours, then vacuum is deviate from accessory substance;
3. in 1000L kneader, add 400kg polysiloxanes I, it is 220-250m that 275kg makes hydrophobic specific area after treatment through silane coupler2The aerosil of/g, mediates agglomerating follow-up continuous at room temperature kneading 2 hours;
4. be warming up to 160～180 DEG C, then constant temperature is mediated 1 hour;
5. prepare polysiloxanes II: polysiloxanes II is by octamethylcy-clotetrasiloxane and tetrem thiazolinyl first divinyl disiloxane, under TMAH catalytic action, in 90-100 DEG C of constant temperature polymerization 2.5 hours, then be warmed up to 150 DEG C of balances 1 hour, be warmed up to again 180 DEG C, under the vacuum condition of 200Pa, deviate from low-molecular material preparation and obtain, its viscosity 25 DEG C of mensuration is that 1000～5000cp, contents of ethylene are 0.5～1.5% by weight percentage;
6. being evacuated to vacuum is 0.8MPa, under vacuum condition, continues to mediate 2 hours in 160～180 DEG C, then stops vacuumizing, and is cooled to 120 DEG C, adds 320kg polysiloxanes II, mixes, and obtains described base glue;
(2) prepare A component:
1. prepare platinum complex compound: first 20g chloroplatinic acid is added in the solvent that is placed with 1500g oxolane, be heated with stirring to boiling point, back flow reaction 4 hours, filter out platinum black, after cleaning with isopropyl alcohol, cleaning fluid is added in filtrate, making platinum content is wherein 3000～5000ppm;
2. get base glue 1.5kg, then add 0.5kg platinum complex compound and 0.2kg fire retardant, mix, obtain described A component, wherein, fire retardant is the compound of platinum chloride and dimethylbenzene, and its platinum content is 500-3000ppm;
(3) prepare B component:
1. prepare inhibitor: vinyl ring body and fumaric acid diethyl propyl ester are mixed for 1:1～5:1 in mass ratio;
2. get base glue 100kg, then to add 2kg hydrogen content be hydrogen containing siloxane, the 100g inhibitor of 1.0～1.2wt%, mix, obtain described B component;
(4) the A component making and B component 2:100 are mixed, obtain described glass bridal veil fibre pipe dip-coating liquid silastic;
The aforesaid liquid silicon rubber making is directly applied on fiberglass pipe, and through 150 DEG C of bakings 5 minutes, obtaining thickness was that 0.01～1.5mm, coated adhesive are firm, soft, anti-flammability is V1The glass tube of level, rich glossiness coating silicon rubber; Proof voltage grade can reach 4KV-6KV, when needs more high voltage require time, can by above step add be again coated with one deck or more multi-layered.
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| CN103173018A (en) * | 2011-12-23 | 2013-06-26 | 江苏天辰硅材料有限公司 | Flame-retardant liquid silicon rubber for coating fiber materials and preparation method of rubber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103173018A (en) * | 2011-12-23 | 2013-06-26 | 江苏天辰硅材料有限公司 | Flame-retardant liquid silicon rubber for coating fiber materials and preparation method of rubber |
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