CN108611048A - Dry-type transformer dealcoholized type organic silicon potting adhesive and preparation method thereof - Google Patents

Dry-type transformer dealcoholized type organic silicon potting adhesive and preparation method thereof Download PDF

Info

Publication number
CN108611048A
CN108611048A CN201611142240.0A CN201611142240A CN108611048A CN 108611048 A CN108611048 A CN 108611048A CN 201611142240 A CN201611142240 A CN 201611142240A CN 108611048 A CN108611048 A CN 108611048A
Authority
CN
China
Prior art keywords
parts
component
dry
organic silicon
plasticizer
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.)
Pending
Application number
CN201611142240.0A
Other languages
Chinese (zh)
Inventor
陈永林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Jieguo New Material Co Ltd
Original Assignee
Guangzhou Jieguo New Material Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Jieguo New Material Co Ltd filed Critical Guangzhou Jieguo New Material Co Ltd
Priority to CN201611142240.0A priority Critical patent/CN108611048A/en
Publication of CN108611048A publication Critical patent/CN108611048A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J183/00Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
    • C09J183/04Polysiloxanes
    • C09J183/06Polysiloxanes containing silicon bound to oxygen-containing groups
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/06Non-macromolecular additives organic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention provides a kind of dry-type transformer dealcoholized type organic silicon potting adhesive and preparation method thereof, and organic silicon potting adhesive includes component A, B component and component C, and three constituent mass ratios are 100:3:3~100:10:10, component A includes 100 parts of hydroxy-terminated polysiloxanes, 50~300 parts of fillers, 0~80 part of plasticizer, 1~8 part of color, 0.2~5 part of surfactant and 0.1~1 part of curing accelerator in parts by mass;B component includes 100 parts of plasticizer, 5~100 parts of crosslinking agents, 0.01~3 part of catalyst and 0~100 part of coupling agent in parts by mass;Component C includes 100 parts of plasticizer, 0~3 part of catalyst and 0~100 part of another coupling agent in parts by mass.Low-temperature curable of the present invention, adhering speed be fast, easily synchronous solidification, shrinking percentage is small and adhesive force is good, plays more preferable waterproof, moisture-proof, heat dissipation, fire-retardant and insulating effect to dry-type transformer, extends its use reliability.

Description

Dry-type transformer dealcoholized type organic silicon potting adhesive and preparation method thereof
Technical field
The invention belongs to casting glue technical fields, more particularly, to a kind of dry-type transformer dealcoholized type organic silicon potting adhesive And preparation method thereof.
Background technology
Dry-type transformer has fire safety, and pollution-free, energy saving low-loss, low noise, adapts to high humility and other are severe The features such as being run in environment, therefore it is widely used in local lighting, skyscraper, airport, the places such as harbour CNC mechanical equipments.
The service life of the safe operation of dry-type transformer and it is heavily dependent on the peace of transformer winding insulation Full reliability.At present pouring dry transformer using epoxy resin or organic silicon potting adhesive as the embedding of major insulation material extremely In device, the effects that insulating, is moisture-proof, radiating is acted, reliability is promoted.
Current existing organic silicon potting adhesive has a defect that:1, when environment temperature is less than 15 DEG C, curing rate is slow, glues Connect the slow even non-binding of speed;2, the operating time is short, makes troubles to production and processing;3, to dry-type transformer inner assembly adhesive force Difference, is easy infiltration, and humidity resistance is low.
Invention content
The dry-type transformer that the present invention provides a kind of low-temperature curable, the operating time is long, adhering speed is fast, adhesive force is good is used Dealcoholized type organic silicon potting adhesive and preparation method thereof.
In order to solve the above technical problems, the technical solution adopted by the present invention is:
According to the first aspect of the invention, the present invention provides a kind of dry-type transformer dealcoholized type organic silicon potting adhesive, packet Include component A, B component and component C, the mass ratio of component A and B component, component C is 100:3:3~100:10:10;
Component A includes in parts by mass:100 parts of hydroxy-terminated polysiloxanes, 50~300 parts of fillers, 0~80 part of plasticizer, 1 ~8 parts of colors, 0.2~5 part of surfactant and 0.1~1 part of curing accelerator;;
B component includes in parts by mass:100 parts of plasticizer, 5~100 parts of crosslinking agents, 0.01~3 part of catalyst and 0~ 100 parts of coupling agents;
Component C includes in parts by mass:100 parts of plasticizer, 0~3 part of catalyst, 0~100 part of coupling agent;
Wherein, curing accelerator is deionized water;Surfactant is sorbester p17, sorbester p18, Tween 80, polysorbate60 and ten One kind in dialkyl benzene sulfonic acids sodium or arbitrary several mixture.
According to an embodiment of the present invention, the viscosity of hydroxy-terminated polysiloxane is 350~20000mPas.
According to an embodiment of the present invention, filler is silicon powder, silica flour, kaolin, powdered whiting, lightweight carbonic acid Calcium, nano-calcium carbonate, barium sulfate, calcium sulfate, magnesium sulfate, precipitated silica, Meteorological Act white carbon, mica powder, flake asbestos, oxygen Change aluminium, aluminium hydroxide and one kind in magnesium hydroxide or arbitrary several mixture.
According to an embodiment of the present invention, every 100 parts of uses, 0~30 part of inorganic agent of filler is handled, and inorganic agent is Hexamethyldisilazane.
According to an embodiment of the present invention, plasticizer is dimethicone, and the viscosity of plasticizer is 30~1000mPa s。
According to an embodiment of the present invention, color is any one in carbon black, titanium dioxide, iron oxide red and iron oxide black.
According to an embodiment of the present invention, crosslinking agent is methyl orthosilicate, ethyl orthosilicate, positive silicic acid propyl ester, gathers just Silester, methyltrimethoxysilane, methyltriethoxysilane, poly- methyltriethoxysilane, vinyl trimethoxy In silane, vinyltriethoxysilane, propyl trimethoxy silicane, propyl-triethoxysilicane and octyltri-ethoxysilane One kind or arbitrary several mixture.
According to an embodiment of the present invention, catalyst be dibutyl tin laurate, stannous octoate, butyl titanate, One kind in isopropyl titanate, Organo-Titanate Chelates and organic bismuth catalyst or arbitrary several mixture.
According to an embodiment of the present invention, the coupling agent in the coupling agent and component C in B component is respectively 3- aminopropyls Triethoxysilane, 3- aminopropyl trimethoxysilanes, 3- aminopropyltriethoxies dimethoxysilane, 3- aminopropyltriethoxy diethoxies Base silane, N- (β-aminoethyl)-γ-aminopropyltrimethoxysilane, N- (β-aminoethyl)-gamma-aminopropyl-triethoxy-silane, γ-methacryloxypropyl trimethoxy silane, 3- (the third oxygen of 2,3- epoxies) propyl trimethoxy silicane, 3- (2,3- rings The third oxygen of oxygen) propyl-triethoxysilicane, 2- (3,4- 7-oxa-bicyclo[4.1.0s base) ethyl trimethoxy silane, 3- (the third oxygen of 2,3- epoxies) Hydroxypropyl methyl dimethoxysilane, 3- (the third oxygen of 2,3- epoxies) hydroxypropyl methyl diethoxy silane, diethylin are for methyl trimethoxy Oxysilane, anilinomethyl triethoxysilane, one kind in dichloromethyl triethoxysilane or arbitrary several mixture, Coupling agent in B component is different from the coupling agent in component C.
According to the second aspect of the invention, the present invention provides a kind of system of dry-type transformer dealcoholized type organic silicon potting adhesive Preparation Method, the preparation method include the preparation process of component A, the preparation process of the preparation process of B component and component C;
The preparation process of component A includes:
1) processing filler is prepared:100 parts of hydroxy-terminated polysiloxanes and 50~300 parts of fillers are stirred, are heated up, vacuum Low, cooling treatment is taken off, the first processing filler is obtained;By 100 parts of plasticizer, 10~50 parts of inorganic agents and 0~4 part of deionized water into Row stirs, and 50~150 parts of fillers are gradually added in whipping process, is heated up later, the de- reduction process of vacuum, and addition 30 later~ 150 parts of hydroxy-terminated polysiloxanes stir evenly, and second processing filler is obtained after cooling treatment;
2) emulsifier is prepared:By 100 parts of surfactants, 50~200 parts of hydroxy-terminated polysiloxanes and 50~200 parts of plasticising Agent stirs evenly, and 10~100 parts of curing accelerators are gradually added in whipping process, obtain emulsifier;
3) processing color is prepared:100 parts of plasticizer or hydroxy-terminated polysiloxane, 10~200 parts of color masterbatch are stirred evenly, are passed through Cross grinding or high-temperature vacuum take off it is low after obtain color;
4) by above-mentioned steps 1) to 100 part of first processing filler, 20~50 parts of second processing fillers, 0.5 obtained in 3) ~3 parts of emulsifiers, 0.5~5 part of color and 10~80 parts of hydroxy-terminated polysiloxanes, 0~40 part of plasticizer stir evenly, filtering Vacuum defoamation processing is carried out afterwards, obtains component A;
The preparation process of B component includes:
Each ingredient in B component is rocked in the case where sealing completely cuts off air conditions, stirs evenly processing, obtains B component.
The preparation process of component C includes:
Each ingredient in component C is rocked in the case where sealing completely cuts off air conditions, stirs evenly processing, obtains component C;
Wherein, each ingredient in component A, B component and component C is in terms of mass parts.
The invention has the advantages and positive effects that:
1, the present invention uses and separates epoxy group type silane coupling agent and amine type silane coupling agent to B component and C Method in component, when sizing material component A, B component and component C after mixing, amino silicane coupling agent can be with epoxy radicals silicone hydride Coupling agent combines so that colloid is stronger to transformer inner assembly adhesive force, much stronger than exclusive use amine type silane coupling agent Or epoxy group type silane coupling agent, making colloid, (main material is fiber glass epoxy, ABS plastic to dry-type transformer inner assembly And epoxy resin etc.) adhesive force reaches cohesional failure, play outstanding waterproof, dampproof effect;
If epoxy group type silane coupling agent and amine type silane coupling agent are mixed into a component, room temperature in advance After storage 7 days, resample with glue embedding, since epoxy group type silane coupling agent and amine type silane coupling agent have filled Point reaction, casting glue is unable to reach cohesional failure to dry-type transformer inner assembly adhesive force, can not play preferable waterproof, moisture-proof Effect;
If silane coupling agent is added in component A, due to containing deionized water in component A, silane coupling agent can shift to an earlier date Hydrolyzing causes to fail, and with glue, casting glue is still unable to reach dry-type transformer inner assembly adhesive force interior for sampling after storage 7 days It is poly- to destroy, preferable waterproofing protection effect can not be played.
The present invention is more preferable compared with common two-component dealcoholized type organic silicon potting adhesive adhesive force in the market, prepared by the present invention Casting glue can reach cohesional failure, same batten in 24 hours when 25 DEG C of room temperature after embedding for dry-type transformer inner assembly adhesive force Adhesive force reaches cohesional failure and needs 150 hours or more or nothing after traditional two-component dealcoholized type organic silicon potting adhesive embedding under part Method reaches cohesional failure, improves the production efficiency that casting glue uses producer.
2, the present invention is using the side for emulsifying deionized water, surfactant, plasticizer and hydroxy-terminated polysiloxane jointly Emulsifier is made in method, introduces deionized water by way of emulsifier is added when producing component A, the deionized water after emulsification passes through High-speed stirred can be evenly distributed in component A.When with glue embedding, a certain proportion of deionized water can promote B groups in component A Dividing, the hydrolysis of the crosslinking agent in component C, silane coupling agent, accelerates reaction speed and adhering speed so that colloid curing rate is fast, Adhering speed is fast, at the same can deep cure, low temperature curing properties are good.
3, the adhesive force and adhesive strength for reinforcing dealcoholized type organic silicon potting adhesive according to other methods, generally take There are two ways to:(1) coupling agent of synthesis special construction reinforces the adhesive force to special base material, this scheme production technology is more multiple The coupling agent storage stability of miscellaneous and bad control, special construction is poor;(2) colloid after curing is placed in baking oven with embedding device In 60 DEG C baking 2 hours more than so that adhesive force is further promoted, this scheme reduce casting glue use producer production efficiency, need Increase the equipment such as baking oven.
The method that the present invention takes compares both the above scheme, has simple for process, easy to operate, stable storage excellent Point.
4, the dealcoholized type organic silicon potting adhesive for preparing of the present invention have low-temperature curable, operating time are long, adhering speed is fast, The good advantage of adhesive force plays the role of better waterproof, insulation, heat radiation protection to dry-type transformer, extends dry type transformation The reliability and service life of device.
Specific implementation mode
It elaborates below to specific embodiments of the present invention.
Embodiment 1
Prepare component A
Prepare coarse whiting semi-finished product sizing material:In parts by mass (similarly hereinafter), by the hydroxy-terminated polysiloxane of 100 parts of 2000mPas It is put into planetary mixer with 100 part of 800 mesh powdered whiting, warming while stirring, temperature reaches 120 DEG C -150 DEG C and opens pumping Vacuum stops vacuumizing after maintaining temperature to vacuumize 2 hours, and coarse whiting semi-finished product sizing material is obtained after cooling.
Prepare precipitated silica semi-finished product sizing material:It is the dimethicone of 350mPas and 40 part six by 100 parts of viscosity It is stirred evenly in methyl disilazane and 1 part of deionized water input kneader, 150 parts of precipitation method hard charcoals is put into while stirring It is black, it adds 80 DEG C of heating after expecting and maintains 2 hours, heat up later 180 DEG C and simultaneously the temperature is maintained to vacuumize 2 hours, vacuumize knot The hydroxy-terminated polysiloxane that 100 parts of viscosity are 2000mPas is added after beam quickly to stir evenly, is quickly cooled down to obtain the precipitation method White carbon semi-finished product sizing material.
Prepare emulsifier:It is by dimethicone that 5 parts of Tween 80s, 20 parts of viscosity are 50mPas, 20 parts of viscosity The hydroxy-terminated polysiloxane of 20000mPas stirs evenly, and 0.8 part of deionized water is added while stirring, after the completion of charging Obtain emulsifier.
Prepare black cream:The dimethicone that 50 parts of viscosity are 1000mPas is stirred evenly with 5 parts of carbon blacks, with three rollers Machine is ground 3 times, obtains black cream.
Prepare grey component A:Take 100 parts of above-mentioned coarse whiting semi-finished product sizing materials, 20 parts of precipitated silica semi-finished product sizing materials, Dimethicone that hydroxy-terminated polysiloxane that 60 parts of viscosity are 1500mPas, 5 parts of viscosity are 50mPas, 2 parts of emulsifiers, 0.5 part of black cream stirs evenly, vacuum defoamation after filtering, and obtained grey working fluid is grey component A, and 25 DEG C of room temperature is viscous Degree is about 3500mPas.
Prepare B component:It is dimethicone, 30 parts of 3- (the third oxygen of the 2,3- epoxies) propyl of 350mPas to take 100 parts of viscosity Trimethoxy silane, 0.5 part of dibutyl tin laurate, 6 parts of poly- methyltriethoxysilane, 34 parts of ethyl orthosilicates are in osculum It in glue bucket, is shaken up after sealing, stands 2 hours and can be obtained B component.
Prepare component C:It is dimethicone, 60 parts of N- (β-aminoethyl)-γ-ammonia third of 350mPas to take 100 parts of viscosity Base trimethoxy silane, 0.2 part of butyl titanate shake up in small chewing-gum bucket after sealing, stand 2 hours and can be obtained component C.
Grey component A is stirred evenly using preceding, with B component, component C in mass ratio 100:5:5 take, after stirring evenly Vacuum defoamation, in embedding to dry-type transformer.Dry-type transformer after encapsulating is placed in vacuum defoamation 2 minutes in vacuum degasing machine, Wait for that colloid primary solidification can move.
70 minutes colloid operating times when 25 DEG C of room temperature, surface drying time 3 hours, in 5 hours, 24 hours primary solidification time Outer uniform synchronization solidification, hardness 23 ° (Shore A durometers).Sizing material is to the materials base such as fiber glass epoxy, ABS plastic, epoxy resin Material has good adhesion, and adhesive force reaches cohesional failure after 24 hours, does not fall off, does not crack after aging, not shrinking, no It is fuel-displaced.Waterproof, insulation, the heat radiation protection demand that dry-type transformer embedding can be met, can promote the safe and reliable of dry-type transformer Property.
Embodiment 2
Prepare component A
Prepare silicon powder semi-finished product sizing material:In parts by mass (similarly hereinafter), by the poly- silica of the terminal hydroxy group of 100 parts of 1500mPas Alkane and 150 part of 400 mesh silicon powder warming while stirring, temperature reach 120 DEG C of -150 DEG C of unlatchings and vacuumize, and temperature is maintained to vacuumize Stop vacuumizing after 2 hours, cooling obtains silicon powder semi-finished product sizing material.
Prepare Meteorological Act white carbon semi-finished product sizing material:It is the dimethicone of 1000mPas and 10 part six by 80 parts of viscosity It is stirred evenly in methyl disilazane and 0.5 part of deionized water input kneader, it is white that 50 parts of Meteorological Acts is put into while stirring Carbon black adds 80 DEG C of heating after expecting and maintains 2 hours, heats up later 180 DEG C and simultaneously the temperature is maintained to vacuumize 2 hours, vacuumize After the hydroxy-terminated polysiloxane that 100 parts of viscosity are 2000mPas be added quickly stir evenly, obtain gas after being quickly cooled down As method white carbon semi-finished product sizing material.
Prepare emulsifier:It is the dimethicone of 350mPas, 20 by 10 parts of sorbester p17s, 2 parts of polysorbate60s, 15 parts of viscosity The hydroxy-terminated polysiloxane that part viscosity is 5000mPas stirs evenly, and 1 part of deionized water is added while stirring, has fed Emulsifier is obtained after.
Prepare red cream:30 parts of viscosity are equal for the hydroxy-terminated polysiloxane of 1500mPas and 60 parts of iron oxide reds stirrings It is even, it heats up 120 DEG C -150 DEG C, stops vacuumizing after vacuumizing 1 hour, red cream is obtained after cooling.
Prepare red component A:Take 100 parts of above-mentioned silicon powder semi-finished product sizing materials, 20 parts of Meteorological Act white carbon semi-finished product glue Material, 20 parts of viscosity are the hydroxy-terminated polysiloxane of 10000mPas, 1 part of emulsifier, 2 parts of red cream stir evenly, true after filtering Empty deaeration, obtained red working fluid are red component A, and 25 DEG C of viscosity of room temperature are about 7000mPas.
Prepare B component:Take 100 parts of viscosity be the dimethicone of 50mPas, 40 parts of 3- aminopropyl triethoxysilanes, 0.5 part of dibutyl tin laurate, 100 parts of positive silicic acid propyl esters shake up in small chewing-gum bucket after sealing, and standing 2 hours can obtain To B component.
Prepare component C:It is the dimethicone of 50mPas, 50 parts of 2- (3,4- 7-oxa-bicyclo[4.1.0s base) to take 100 parts of viscosity Ethyl trimethoxy silane shakes up in small chewing-gum bucket after sealing, stands 2 hours and can be obtained component C.
Red component A is stirred evenly using preceding, with B component, component C in mass ratio 100:7:7 take, after stirring evenly Vacuum defoamation, in embedding to dry-type transformer.Dry-type transformer after encapsulating is placed in vacuum defoamation 2 minutes in vacuum degasing machine, Wait for that colloid primary solidification can move.
40 minutes colloid operating times when 25 DEG C of room temperature, surface drying time 2 hours, in 4 hours, 24 hours primary solidification time Outer uniform synchronization solidification, hardness 28 ° (Shore A durometers).Sizing material is to the materials base such as fiber glass epoxy, ABS plastic, epoxy resin Material has good adhesion, and adhesive force reaches cohesional failure after 24 hours, does not fall off, does not crack after aging, not shrinking, no It is fuel-displaced.Waterproof, insulation, the heat radiation protection demand that dry-type transformer embedding can be met, can promote the safe and reliable of dry-type transformer Property.
Embodiment 3
Prepare component A
Prepare aluminium oxide semi-finished product sizing material:In parts by mass (similarly hereinafter), by the poly- silica of the terminal hydroxy group of 100 parts of 5000mPas Alkane and 200 part of 500 mesh alumina powder warming while stirring, temperature reach 120 DEG C of -150 DEG C of unlatchings and vacuumize, and maintain temperature to take out true Stop vacuumizing after 2 hours empty, aluminium oxide semi-finished product sizing material is obtained after cooling.
Prepare precipitated silica semi-finished product sizing material:It is the dimethicone of 250mPas and 25 part six by 100 parts of viscosity It is stirred evenly in methyl disilazane and 2 parts of deionized water input kneaders, 150 parts of precipitation method hard charcoals is put into while stirring It is black, it adds 80 DEG C of heating after expecting and maintains 2 hours, heat up later 180 DEG C and simultaneously the temperature is maintained to vacuumize 2 hours, vacuumize knot The hydroxy-terminated polysiloxane that 100 parts of viscosity are 2000mPas is added after beam quickly to stir evenly, is precipitated after being quickly cooled down Method white carbon semi-finished product sizing material.
Prepare emulsifier:It is the dimethicone of 500mPas, 30 by 10 parts of sorbester p18s, 2 parts of Tween 80s, 20 parts of viscosity The hydroxy-terminated polysiloxane that part viscosity is 20000mPas stirs evenly, and 1.5 parts of deionized waters are added while stirring, add Emulsifier is obtained after the completion of material.
Prepare white cream:30 parts of viscosity are equal for the hydroxy-terminated polysiloxane of 1500mPas and 20 parts of titanium dioxides stirrings It is even, it heats up 120 DEG C -150 DEG C, stops vacuumizing after vacuumizing 1 hour, white cream is obtained after cooling.
Prepare white component A:Take 100 parts of above-mentioned aluminium oxide semi-finished product sizing materials, 10 parts of precipitated silica semi-finished product glue Material, 20 parts of viscosity are the hydroxy-terminated polysiloxane of 10000mPas, 0.5 part of emulsifier, 3 parts of white cream stir evenly, after filtering Vacuum defoamation, obtained white working fluid are white component A, and 15 DEG C of viscosity of room temperature are about 9000mPas.
Prepare B component:It is dimethicone, the 40 parts of 3- aminopropyl trimethoxy silicon of 100mPas to take 100 parts of viscosity Alkane, 0.3 part of dibutyl tin laurate, 60 parts of ethyl orthosilicates shake up in small chewing-gum bucket after sealing, stand 2 hours Obtain B component.
Prepare component C:It is dimethicone, 80 parts of 3- (the third oxygen of the 2,3- epoxies) propyl of 100mPas to take 100 parts of viscosity Trimethoxy silane shakes up in small chewing-gum bucket after sealing, stands 2 hours and can be obtained component C.
White component A is stirred evenly using preceding, with B component, component C in mass ratio 100:7:5 take, after stirring evenly Vacuum defoamation, in embedding to dry-type transformer.Dry-type transformer after encapsulating is placed in vacuum defoamation 2 minutes in vacuum degasing machine, Wait for that colloid primary solidification can move.
120 minutes colloid operating times when 15 DEG C of room temperature, surface drying time 4 hours, 6 hours, 48 hours primary solidification time Inside and outside uniform synchronization solidification, hardness 32 ° (Shore A durometers).Sizing material is to materials such as fiber glass epoxy, ABS plastic, epoxy resin Base material has good adhesion, and adhesive force reaches cohesional failure after 48 hours, do not fall off, do not crack after aging, not shrinking, It is not fuel-displaced.Waterproof, insulation, the heat radiation protection demand of dry-type transformer embedding can be met, the safety that can promote dry-type transformer can By property.
It illustrates:The aging condition is constant temperature and humidity machine (85 ± 5 DEG C of temperature in the above embodiments;Humidity RH85 ± 5%) 1000 hours, cold-hot impact tester -40~100 degree Celsius thermal shock 300 times, 130 DEG C of bakings of constant temperature oven 500 hours roasting, open air, which is exposed to the sun, to drench with rain 6 months or more.
The other components of the present invention dry-type transformer constituted with proportioning is with dealcoholized type organic silicon potting adhesive in this hair In bright protection domain, explanation is no longer described one by one herein.
The embodiments of the present invention have been described in detail above, but content is only the preferred embodiment of the present invention, It should not be construed as limiting the practical range of the present invention.Any changes and modifications in accordance with the scope of the present application, It should all still fall within the scope of the patent of the present invention.

Claims (10)

1. a kind of dry-type transformer dealcoholized type organic silicon potting adhesive, which is characterized in that including component A, B component and component C, A The mass ratio of component and B component, component C is 100:3:3~100:10:10;
Component A includes in parts by mass:100 parts of hydroxy-terminated polysiloxanes, 50~300 parts of fillers, 0~80 part of plasticizer, 1~8 Part color, 0.2~5 part of surfactant and 0.1~1 part of curing accelerator;
B component includes in parts by mass:100 parts of plasticizer, 5~100 parts of crosslinking agents, 0.01~3 part of catalyst and 0~100 part Coupling agent;
Component C includes in parts by mass:100 parts of plasticizer, 0~3 part of catalyst and 0~100 part of coupling agent;
Wherein, the curing accelerator is deionized water;The surfactant is sorbester p17, sorbester p18, Tween 80, polysorbate60 And one kind in neopelex or arbitrary several mixture;In coupling agent and the component C in the B component Coupling agent it is different.
2. dry-type transformer according to claim 1 dealcoholized type organic silicon potting adhesive, which is characterized in that the terminal hydroxy group The viscosity of polysiloxanes is 350~20000mPas.
3. dry-type transformer according to claim 1 dealcoholized type organic silicon potting adhesive, which is characterized in that the filler is Silicon powder, kaolin, powdered whiting, precipitated calcium carbonate, nano-calcium carbonate, barium sulfate, calcium sulfate, magnesium sulfate, sinks at silica flour Shallow lake method white carbon, Meteorological Act white carbon, mica powder, flake asbestos, aluminium oxide, aluminium hydroxide and one kind or arbitrary in magnesium hydroxide Several mixtures.
4. dry-type transformer according to claim 1 dealcoholized type organic silicon potting adhesive, which is characterized in that the filler is every 100 parts of uses, 0~30 part of inorganic agent is handled, and the inorganic agent is hexamethyldisilazane.
5. dry-type transformer according to claim 1 dealcoholized type organic silicon potting adhesive, which is characterized in that the plasticizer Viscosity for dimethicone, the plasticizer is 30~1000mPas.
6. dry-type transformer according to claim 1 dealcoholized type organic silicon potting adhesive, which is characterized in that the color is Any one in carbon black, titanium dioxide, iron oxide red and iron oxide black.
7. dry-type transformer according to claim 1 dealcoholized type organic silicon potting adhesive, which is characterized in that the crosslinking agent For methyl orthosilicate, ethyl orthosilicate, positive silicic acid propyl ester, poly- ethyl orthosilicate, methyltrimethoxysilane, methyl triethoxy Silane, poly- methyltriethoxysilane, vinyltrimethoxysilane, vinyltriethoxysilane, propyl trimethoxy silicon One kind in alkane, propyl-triethoxysilicane and octyltri-ethoxysilane or arbitrary several mixture.
8. dry-type transformer according to claim 1 dealcoholized type organic silicon potting adhesive, which is characterized in that the catalyst For dibutyl tin laurate, stannous octoate, butyl titanate, isopropyl titanate, Organo-Titanate Chelates and organic bismuth catalyst In one kind or arbitrary several mixture.
9. dry-type transformer according to claim 1 dealcoholized type organic silicon potting adhesive, which is characterized in that the B component In coupling agent and the component C in coupling agent be respectively 3- aminopropyl triethoxysilanes, 3- aminopropyl trimethoxy silicon Alkane, 3- aminopropyltriethoxies dimethoxysilane, 3- aminopropyltriethoxies diethoxy silane, N- (β-aminoethyl)-γ-aminopropyls three Methoxy silane, N- (β-aminoethyl)-gamma-aminopropyl-triethoxy-silane, γ-methacryloxypropyl trimethoxy silicon Alkane, 3- (the third oxygen of 2,3- epoxies) propyl trimethoxy silicane, 3- (the third oxygen of 2,3- epoxies) propyl-triethoxysilicane, 2- (3,4- 7-oxa-bicyclo[4.1.0 base) ethyl trimethoxy silane, 3- (the third oxygen of 2,3- epoxies) hydroxypropyl methyl dimethoxysilane, 3- (2,3- rings The third oxygen of oxygen) hydroxypropyl methyl diethoxy silane, diethylin for methyltrimethoxysilane, anilinomethyl triethoxysilane and One kind in dichloromethyl triethoxysilane or arbitrary several mixture.
10. the dry-type transformer according to any one of claims 1 to 9 preparation method of dealcoholized type organic silicon potting adhesive, It is characterized in that, which includes the preparation process of component A, the preparation process of the preparation process of B component and component C;
The preparation process of component A includes:
1) processing filler is prepared:100 parts of hydroxy-terminated polysiloxanes are stirred with 50~300 parts of fillers, are heated up, vacuum takes off Low, cooling treatment obtains the first processing filler;100 parts of plasticizer, 10~50 parts of inorganic agents and 0~4 part of deionized water are carried out It stirs, 50~150 parts of fillers is gradually added in whipping process, heated up later, the de- reduction process of vacuum, addition 30 later~ 150 parts of hydroxy-terminated polysiloxanes stir evenly, and second processing filler is obtained after cooling treatment;
2) emulsifier is prepared:100 parts of surfactants, 50~200 parts of hydroxy-terminated polysiloxanes and 50~200 parts of plasticizer are stirred It mixes uniformly, 10~100 parts of curing accelerators is gradually added in whipping process, obtain emulsifier;
3) processing color is prepared:100 parts of plasticizer or hydroxy-terminated polysiloxane, 10~200 parts of color masterbatch are stirred evenly, by grinding Mill or high-temperature vacuum take off it is low after obtain color;
4) by above-mentioned steps 1) to obtain in 3) 100 part of first processing filler, 20~50 parts of second processing fillers, 0.5~3 part Emulsifier, 0.5~5 part of color and 10~80 parts of hydroxy-terminated polysiloxanes, 0~40 part of plasticizer stir evenly, and filtering is laggard Row vacuum defoamation is handled, and obtains component A;
The preparation process of B component includes:
Each ingredient in B component is rocked in the case where sealing completely cuts off air conditions, stirs evenly processing, obtains B component.
The preparation process of component C includes:
Each ingredient in component C is rocked in the case where sealing completely cuts off air conditions, stirs evenly processing, obtains component C;
Wherein, each ingredient in the component A, B component and component C is in terms of mass parts.
CN201611142240.0A 2016-12-12 2016-12-12 Dry-type transformer dealcoholized type organic silicon potting adhesive and preparation method thereof Pending CN108611048A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611142240.0A CN108611048A (en) 2016-12-12 2016-12-12 Dry-type transformer dealcoholized type organic silicon potting adhesive and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611142240.0A CN108611048A (en) 2016-12-12 2016-12-12 Dry-type transformer dealcoholized type organic silicon potting adhesive and preparation method thereof

Publications (1)

Publication Number Publication Date
CN108611048A true CN108611048A (en) 2018-10-02

Family

ID=63643710

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611142240.0A Pending CN108611048A (en) 2016-12-12 2016-12-12 Dry-type transformer dealcoholized type organic silicon potting adhesive and preparation method thereof

Country Status (1)

Country Link
CN (1) CN108611048A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109762515A (en) * 2019-01-28 2019-05-17 东莞兆舜有机硅科技股份有限公司 A kind of bonding Embedding Material and preparation method thereof and the application in dry-type transformer
CN111410931A (en) * 2020-04-26 2020-07-14 湖北回天新材料股份有限公司 Curable silicone sealant and preparation method and application thereof
CN112917782A (en) * 2021-01-28 2021-06-08 中国航发长春控制科技有限公司 Precision valve control coil encapsulation mold and encapsulation process method
CN113249057A (en) * 2021-04-15 2021-08-13 镇江博慎新材料有限公司 High-flash-point two-component dealcoholized organic silicon sealing material curing agent
CN115029100A (en) * 2022-05-27 2022-09-09 湖北平安电工科技股份公司 Thermosetting hard mica plate repairing agent and preparation method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02308880A (en) * 1989-05-23 1990-12-21 Nitto Denko Corp Tacky adhesive tape for cell
CN1687288A (en) * 2005-04-13 2005-10-26 成都硅宝科技实业有限责任公司 Flameproofing silicone structure sealant and mfg. method thereof
CN102516930A (en) * 2011-12-13 2012-06-27 烟台德邦科技有限公司 High temperature curing monocomponent heat-conduction flame-retardation electronic pouring sealant and preparation method thereof
JP2012153851A (en) * 2011-01-28 2012-08-16 Hitachi Chemical Co Ltd Semiconductor device and film-shaped adhesive
CN102766431A (en) * 2012-07-27 2012-11-07 广东欧利雅化工有限公司 High-adhesion silicone sealant
CN103773235A (en) * 2014-01-22 2014-05-07 冠研(上海)企业管理咨询有限公司 Preparation method of primer for addition type organosilicone potting adhesive
CN104559901A (en) * 2014-12-26 2015-04-29 东莞市腾威电子材料技术有限公司 Two-component adhesion agent, as well as preparation method and application thereof
CN105585999A (en) * 2016-03-02 2016-05-18 广东杰果新材料有限公司 Condensed type two-component pouring sealant for LED optical lens and preparation method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02308880A (en) * 1989-05-23 1990-12-21 Nitto Denko Corp Tacky adhesive tape for cell
CN1687288A (en) * 2005-04-13 2005-10-26 成都硅宝科技实业有限责任公司 Flameproofing silicone structure sealant and mfg. method thereof
JP2012153851A (en) * 2011-01-28 2012-08-16 Hitachi Chemical Co Ltd Semiconductor device and film-shaped adhesive
CN102516930A (en) * 2011-12-13 2012-06-27 烟台德邦科技有限公司 High temperature curing monocomponent heat-conduction flame-retardation electronic pouring sealant and preparation method thereof
CN102766431A (en) * 2012-07-27 2012-11-07 广东欧利雅化工有限公司 High-adhesion silicone sealant
CN103773235A (en) * 2014-01-22 2014-05-07 冠研(上海)企业管理咨询有限公司 Preparation method of primer for addition type organosilicone potting adhesive
CN104559901A (en) * 2014-12-26 2015-04-29 东莞市腾威电子材料技术有限公司 Two-component adhesion agent, as well as preparation method and application thereof
CN105585999A (en) * 2016-03-02 2016-05-18 广东杰果新材料有限公司 Condensed type two-component pouring sealant for LED optical lens and preparation method thereof

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
晨光化工研究院有机硅编写组: "《有机硅单体及聚合物》", 31 December 1986, 化学工业出版社 *
李子东: "《现代胶粘技术手册》", 31 January 2002, 新时代出版社 *
李红强 等: "《胶粘原理、技术及应用》", 31 January 2014, 华南理工大学出版社 *
贾红兵 等: "《高分子材料》", 30 November 2009, 南京大学出版社 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109762515A (en) * 2019-01-28 2019-05-17 东莞兆舜有机硅科技股份有限公司 A kind of bonding Embedding Material and preparation method thereof and the application in dry-type transformer
CN111410931A (en) * 2020-04-26 2020-07-14 湖北回天新材料股份有限公司 Curable silicone sealant and preparation method and application thereof
CN112917782A (en) * 2021-01-28 2021-06-08 中国航发长春控制科技有限公司 Precision valve control coil encapsulation mold and encapsulation process method
CN113249057A (en) * 2021-04-15 2021-08-13 镇江博慎新材料有限公司 High-flash-point two-component dealcoholized organic silicon sealing material curing agent
CN115029100A (en) * 2022-05-27 2022-09-09 湖北平安电工科技股份公司 Thermosetting hard mica plate repairing agent and preparation method thereof

Similar Documents

Publication Publication Date Title
CN108611048A (en) Dry-type transformer dealcoholized type organic silicon potting adhesive and preparation method thereof
CN105585999A (en) Condensed type two-component pouring sealant for LED optical lens and preparation method thereof
CN103468200B (en) Environmentally friendly two-component silicone rubber adhesive and preparation method thereof
CN105348813B (en) It is a kind of can damp and hot dual cure single-component organic silicon composition and preparation method thereof
CN104031389A (en) Humid-heat resisting room-temperature vulcanized silicone rubber composition
CN102634278A (en) High temperature-resistant ceramics coating for non-stick cookware, and preparation method thereof
CN108410416A (en) A kind of embedding silica gel and its preparation method and application
KR20160101937A (en) Condensation-crosslinking silicones with improved resistance to temperature change
CN105367799B (en) A kind of modified polyorganosiloxane room temperature vulcanized silicone rubber
CN101544881B (en) Bi-component silicone pouring sealant for LED photoelectric display device and method for manufacturing same
CN105601932A (en) Dual-curing type modified silicone rubber and preparation method thereof
CN109666446A (en) A kind of flame-retardant modified silicone sealant and preparation method thereof
CN108359318A (en) A kind of low-voltage electrical apparatus surface coatings and preparation method thereof
CN112662370B (en) Single-component dealcoholized silicone sealant and preparation method thereof
CN105925243A (en) Room-temperature cured-type high thermal conductive flexible silica gel
CN105255428A (en) Packaging epoxy resin mixture and preparation method thereof
CN102585505B (en) flame retardant organopolysiloxane composition
CN104610903B (en) A kind of anti-steam electronic component encapsulation glue
CN113136140A (en) Organic silicon fireproof heat-insulating coating and preparation method thereof
CN106189252A (en) A kind of one-component flame-resistant high-temperature-resistant box dam glue and preparation method thereof
CN105694787A (en) High-thermal-conduction adhesive
CN107325781A (en) Silicone sealant compositions, organosilicon sealant and preparation method thereof
CN113185947A (en) Mixed crosslinking system two-component hollow sealant
CN106244091A (en) A kind of high intensity dealcoholized type double component room temperature vulcanization silicon rubber building sealant and preparation method thereof
CN106753203A (en) A kind of depickling type organic silicon adhesive and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20181002