CN107603226A - A kind of adaptive insulative water-proof material and its application method and purposes - Google Patents
A kind of adaptive insulative water-proof material and its application method and purposes Download PDFInfo
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- CN107603226A CN107603226A CN201711061634.8A CN201711061634A CN107603226A CN 107603226 A CN107603226 A CN 107603226A CN 201711061634 A CN201711061634 A CN 201711061634A CN 107603226 A CN107603226 A CN 107603226A
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Abstract
The invention provides a kind of adaptive insulative water-proof material and its application method and purposes, belong to waterproof insulation Material Field.This insulative water-proof material includes the components such as 107 silica gel of different viscosities, MQ resins, silane crosslinker, reinforced filling, wear-resisting heat filling, hydroxyl scavenger, is made through processes such as high-temperature mixing, Screw Extrusion, calendering formation, vacuum packagings.The material can have the various appearances form such as sheet, banding, bar-shaped, wire, tubulose, bulk, bulk, granular; cured product weatherability, heat conductivity, waterproof insulation and high-low temperature resistant, acid-proof alkaline are all good; can strong bond in various special-shaped spaces and complex surface, in ground protection, shunt, coupler, tower are put, connection end, plugging member and military project, ship, electric power, data communication, damaged reparations of buried/submarine line, waterproof sealing, insulation reinforcing, heat conduction and heat radiation etc. have a wide range of applications.
Description
Technical field
The present invention relates to a kind of adaptive insulative water-proof material and its application method and purposes, belong to waterproof insulation material neck
Domain.
Background technology
With the development of the society, people increasingly increase to the demand of power consumption, Information application, in military affairs, ship, electricity
In the facilities and equipment such as net, communication new clothes, transformation and maintenance process, connection end, plugging member and buried/underwater powered pipeline it is anti-
Water insulation is particularly important.The conventional waterproof materials such as current insulating tape, insulation clay, insulated paint, sealing shroud, contain in underground
Adhering and sealing is relatively low when the medium high humidity environment of water and soil layer, water uses, and steam, which easily infiltrates into inside, causes insulation, shielding funeral
Lose, and conventional structural protection then generally uses and sets the multiplex forms such as screen layer, waterproof layer, special appearance, mechanical caging,
As patent CN101604803, CN106025598, CN102184758, CN103366878, CN1712919, CN106158108,
CN106653172、CN101916955、CN107069591、CN105119208、CN101179606、CN106789103、
CN106341909、CN105374431、ZL03228668.6、ZL03229142.6、ZL200520116143.0、
Technical scheme disclosed in ZL01123034.7 etc., because type system is complicated, product is bulky, in addition weather-proof, corrosion resistance is relatively low,
Maintenance replacement rate is too high.
Patent CN106046901, CN103881542, CN104449311 respectively disclose a water-repellent paint, available for should
The insulating protection of anxious power equipment, contain a certain amount of volatile solvent or noxious material in its composition, to people during use
There is potential safety hazard in body and environment, and be suitable only for common brushing or dip operation, and coating layer thickness is partially thin, waterproof insulation ability
It is limited.Patent CN106117879, CN105131494 be each provided with it is a kind of can resisting sea water erosion waterproof insulation material, can be used in
The insulation sheath of submerged cable is manufactured, but is not suitable for safeguarding the in-place forming of existing equipment or device.Patent
A kind of waterproof insulation rubber cement that CN105585744, CN106033877 are shown respectively, due to the restriction of material shape, is only limited
Used in filling closure.
Patent CN101818031 then discloses a kind of preparation method of communication product rubber based adhesives, it is extruded into
The product of different shape can be obtained after type, but the adhesive is only sealed in a manner of physical bonds to device, do not possess it is weather-proof,
There is bonding under heat conduction and other effects, high temperature or heated environment to come off risk.It is quick certainly in one kind that patent CN105846116 is disclosed
Seal in waterproof insulation set, though the bi-component Instant cement in cavity can realize that chemical reaction blocks, it is difficult between the component of Instant cement two
To be sufficiently mixed, have and solidify uneven or incomplete possibility.
The content of the invention
Present invention is generally directed to facilities and equipments such as current military project, power network, communication base stations in new clothes, transformation and maintenance process
In, the traditional product bonding of connection end, plugging member and buried/underwater powered pipeline waterproof sealing purposes loosely insulate, waterproof
Grade is relatively low, easily causes electric leakage or signal interference because steam penetrates into, it is difficult to the defects of adapting to complicated applications environment, the first purpose
It is to provide the high comprehensive performances such as a kind of weather-proof, heat conduction, acid-alkali-corrosive-resisting, treating treatment site has good adaptive ability
Single-component mist-solidifying type insulative water-proof material.
Second purpose of the invention is the composition collocation for providing a kind of insulative water-proof material.
3rd purpose of the invention is to provide the insulative water-proof material appearance form that a kind of structure design is new, changeable.
4th purpose of the invention is to provide a kind of easy construction, the user of various insulative water-proof material
Method.
5th purpose of the invention be to provide a kind of insulative water-proof material ground protection, shunt, coupler,
Tower is put, connection end, plugging member and military project, electric power, data communication, damaged reparations of buried/submarine line, waterproof sealing, exhausted
The application in the fields such as edge reinforcing, heat conduction and heat radiation.
A kind of adaptive insulative water-proof material provided by the invention includes 107 silica gel, MQ resins, silane of different viscosities
The components such as crosslinking agent, catalytic promoter, reinforced filling, wear-resisting heat filling, hydroxyl scavenger, coloring pigment, through high-temperature mixing,
Several process such as Screw Extrusion, calendering formation, vacuum packaging is made.
Hydroxy functional group in the silica gel of insulative water-proof material component 107, MQ resins is first in high-temperature vacuum mix stage
A certain degree of reaction in advance first occurs with silane crosslinker, generates Silante terminated long-chain macromolecule performed polymer, actually uses
During performed polymer further with the hydrone condensation polymerization in air, ultimately form the elasticity with three-dimensional crosslinked network structure
Body.
The insulative water-proof material has sheet, banding, bar-shaped, wire, pipe after the mould extrusion molding of given shape
The various appearances form such as shape, bulk, bulk, granular.
The insulative water-proof material characterized in that, at 25 DEG C the shelf-life be not less than 300d, can be in -30~+70 DEG C of environment
Lower construction, solidfied material tensile break strength are not less than 0.5Mpa, and ductility is not less than 150%, and electric breakdown strength is not less than 10kV/
Mm, water proofing property are not less than IPx6 levels, and thermal conductivity factor is not less than 0.2W/ (mK), and the resistance to UV accelerated ageings time is no less than 1000h,
Resistance to -40~+85 DEG C of high/low temperature circulation time is no less than 7d.
The insulative water-proof material characterized in that, actual use the stage can be taken according to the surface characteristics at pending position
The combination for one or more forms of construction work such as plane is attached, winding is wrapped up, agglomerate plug is stifled, treatment site is treated with good adaptive
Should be able to power.
Present invention also offers a variety of practical uses of the insulative water-proof material, include but are not limited to be used in ground connection guarantor
Shield, shunt, coupler, tower are put, connection end, plugging member and military project, electric power, ship, data communication, buried/submarine line
Damaged reparations, waterproof sealing, the fields such as reinforcing, heat conduction and heat radiation of insulating.
Compared with the prior art, the beneficial effects of the present invention are：
1. obtaining, a kind of structure design is unique, easy-to-use, form of construction work is changeable, comprehensive exsertile adaptive insulation
Waterproof material, cured product weatherability, heat conductivity, waterproof insulation and high-low temperature resistant, acid-proof alkaline are all good, being capable of jail
Adhere and be connected to various special-shaped spaces and complex surface, meet underwater requirement.
2. insulative water-proof material prescription provided by the invention is simple, each component compatibility is good, and equipment interoperability is wide, is adapted to
In industrialized production or technology transfer.
3. insulative water-proof material provided by the invention after the mould extrusion of given shape, can obtain mode of appearance it is stable,
Miscellaneous moulded products, it disclosure satisfy that disposition demand.
4. insulative water-proof material disclosed by the invention can be according to limited space sex differernce, pending portion in actual use
The surface characteristics of position, select different forms of construction work, application scenarios fitness height.
5. insulative water-proof material disclosed by the invention is green, each stage during preparation, shaping, use
Polluted without Industrial " three Waste ", to human body and environment without side effect, meet the limit value requirement of RoHS Directive.
Based on above characteristic, the material is in ground protection, shunt, coupler, tower are put, connection end, plugging member and army
Damaged reparation, waterproof sealing, the insulation of work, electric power, ship, data communication, buried/underwater powered pipe network are strengthened, heat conduction and heat radiation
Had broad application prospects Deng field.
Embodiment
The present invention is further elaborated with reference to embodiments explanation, but protection scope of the present invention be not limited to it is as follows
Embodiment.
Embodiment one：
By 70 parts of silica gel of dimethyl 107 (kinematic viscosity η=100000cst), 20 parts of epoxide modified 107 silica gel (kinematic viscosity η
=2000000cst), 10 parts of powdered hydroxyphenyl MQ resins, 26 parts of hydrophobicity gas-phase silica TS-610,70 parts of superfine sphericals
Alumina powder, 2.4 portions of bacteriostatic agents, 2.1 parts of colorings carbon black, 3 parts of powdered anhydrous phosphorus pentoxides, vacuum is put into several times pinch
In mill feed bin, vacuum in masticator paddle rotating speed and storehouse is adjusted, 110 DEG C of maintenance 3h is heated to, treats that each material fully mixes
And after evaporation eliminates moisture, 40 DEG C are cooled to, 2 parts of tin dilaurate diisopropyl tin, 6 parts of phenyl are slowly sucked using negative pressure of vacuum
The mixed liquor of triethoxysilane, 4 parts of aminoethylaminopropyl triethoxysilanes, continue vacuum kneading 1.5h.It will obtain afterwards
High viscosity sizing material be transferred in screw extruder, after the die extrusion of given shape and calendering, make thereon, lower surface covering
Barrier film, it is stand-by finally by required length severing vacuum packaging.After testing, insulative water-proof material non-toxic environmental protection, meets European Union
The limit value requirement of RoHS instructions, -40 DEG C still have favorable elasticity, and shelf-life 360d, surface drying time 2h, is fully cured at room temperature
24h, tensile break strength 1.6Mpa, elongation 560%, electric breakdown strength 16kV/mm, thermal conductivity factor 0.62W/ (mK), respectively
The plugging member coated after 5%NaCl, 5%NaOH, 5%HCl soak 24h can be subjected to 2m hydraulic pressure 15d without infiltration.
Embodiment two：
By 82 parts of silica gel of aminomethyl phenyl 107 (kinematic viscosity η=80000cst), the 18 parts of silica gel of dimethyl 107 (kinematic viscosity η
=1500000cst), 3 parts of powdered hydroxyphenyl MQ resins, 5 parts of ultra-fine SBS molding powders, 22 parts of hydrophobicity gas-phase silicas
R974, together with 60 parts of super-fine silicon micro-powders, 3.1 portions of bacteriostatic agents, 1.9 parts of coloring carbon blacks, vacuum masticator feed bin is put into several times
It is interior, vacuum in masticator paddle rotating speed and storehouse is adjusted, 115 DEG C of maintenance 2.5h is heated to, treats that each material is fully mixed and evaporated
After eliminating moisture, 50 DEG C are cooled to, 1.8 parts of isooctyl acid tin, 9 parts of aminomethyl phenyl diethoxy silicon are slowly sucked using negative pressure of vacuum
Alkane, 3 parts of glycidyl ether propyl-triethoxysilicanes, the mixed liquor of 2 parts of trim,ethylchlorosilanes, continue vacuum kneading 2h.It
The paste sizing material of acquisition is transferred in screw extruder afterwards, after the die extrusion of given shape and calendering, make thereon, following table
Face covers barrier film, stand-by finally by required length severing vacuum packaging.After testing, insulative water-proof material non-toxic environmental protection, symbol
The limit value requirement of RoHS Directive is closed, room temperature environment surface drying time 150min, 28h is fully cured, elongation at break 610%, leads
Hot coefficient 0.32W/ (mK), electric breakdown strength 14kV/mm, resistance to -40~+85 DEG C of high/low temperatures circulate 150h, respectively through 5%NaCl,
The plugging member waterproof coated after 5%NaOH, 5%HCl immersion 24h reaches IPx8 levels.
Embodiment three：
By 90 parts of silica gel of dimethyl 107 (kinematic viscosity η=85000cst), 10 parts of high viscosity hydroxyphenyl MQ resin (kinematic viscosity
η=2200000cst), 13 parts of palladium powders, 21 parts of hydrophobicity gas-phase silica R108,56 parts of super-fine active calcium carbide powder,
2.7 parts of mould inhibitors, 1.4 parts of coloring carbon blacks are put into vacuum masticator feed bin several times, adjust masticator paddle rotating speed and storehouse
Interior vacuum, 125 DEG C of maintenance 2h are heated to, after each material fully mixes and evaporates and eliminates moisture, are cooled to 45 DEG C, using true
Idling pressure slowly sucks 2.4 parts of metatitanic acid tert-butyl esters, 10 parts of methyl vinyl diethoxysilanes, 5 parts of epoxycyclohexylethyls three
The mixed liquor of Ethoxysilane, 2 part of three (6- isocyanic acids ethyl) isocyanates, continue vacuum kneading 2.5h.Afterwards by acquisition
Paste sizing material is transferred in screw extruder, after the die extrusion of given shape and calendering, make thereon, lower surface covering isolation
Film, it is stand-by finally by required length severing vacuum packaging.After testing, the insulative water-proof material room temperature following table does time 110min,
22h, tensile strength 1.2Mpa, thermal conductivity factor 0.22W/ (mK) is fully cured, resistance to UV accelerated ageings 144h performances become without obvious
Change.
Comparative example one：
By 100 parts of silica gel of dimethyl 107 (kinematic viscosity η=3000000cst), 15 parts of hydrophily gas-phase silica M-5,50 parts
Super-fine active calcium carbide powder, 1.7 parts of mould inhibitors, 1.1 parts of coloring carbon blacks are put into vacuum masticator feed bin several times, and regulation is pinched
Vacuum in mill paddle rotating speed and storehouse, 120 DEG C of maintenance 80min are heated to, treats that each material is fully mixed and evaporated and eliminates moisture
Afterwards, 50 DEG C are cooled to, after 1.0 parts of stannous iso caprylates, 5 portions of MTMS mixed liquors are slowly sucked using negative pressure of vacuum
Continue vacuum kneading 1h.The paste sizing material of acquisition is transferred in screw extruder afterwards, the die extrusion through given shape is simultaneously
After calendering, make thereon, lower surface covering barrier film, it is stand-by finally by required length severing vacuum packaging.After testing, the insulation
Waterproof material surface drying time 3h at room temperature, tensile strength 0.5Mpa, elongation 670%, material aging after resistance to UV accelerated ageings 100h
It is hardened, the plugging member coated has steam infiltration, proof voltage punch-through after being subjected to 1m hydraulic pressure 4h.
Claims (6)
- A kind of 1. adaptive insulative water-proof material, it is characterised in that：Include 107 silica gel, the MQ of different viscosities in the material The components such as resin, silane crosslinker, catalytic promoter, reinforced filling, wear-resisting heat filling, hydroxyl scavenger, coloring pigment, warp The processes such as high-temperature mixing, Screw Extrusion, calendering formation, vacuum packaging are made.
- A kind of 2. adaptive insulative water-proof material according to claim 1, it is characterised in that：The silica gel of component 107, MQ In high-temperature vacuum mix stage a certain degree of reaction in advance occurs with silane crosslinker first for the hydroxy functional group in resin, raw Into Silante terminated long-chain macromolecule performed polymer, in actual use, performed polymer further with the hydrone polycondensation in air Close, ultimately form the elastomer with three-dimensional crosslinked network structure.
- A kind of 3. adaptive insulative water-proof material according to claim 1, it is characterised in that：The material is through given shape Mould extrusion molding after, there is sheet, banding, bar-shaped, wire, tubulose, bulk, bulk, the various appearances form such as granular.
- A kind of 4. adaptive insulative water-proof material according to claims 1 to 3, it is characterised in that：At 25 DEG C of the material Shelf-life is not less than 300d, can be constructed under -30~+70 DEG C of environment, and solidfied material tensile break strength is not less than 0.5Mpa, extends Property be not less than 150%, electric breakdown strength is not less than 10kV/mm, and water proofing property is not less than IPx6 levels, and thermal conductivity factor is not less than 0.2 W/ (mK), the resistance to UV accelerated ageings time is no less than 1000h, and resistance to -40~+85 DEG C of high/low temperature circulation time is no less than 7d.
- A kind of 5. adaptive insulative water-proof material according to claims 1 to 3, it is characterised in that：The material is in reality Service stage, the one or more such as plane attaching, winding are wrapped up, agglomerate plug is stifled can be taken according to the surface characteristics at pending position The combination of form of construction work, treating processing apparatus has good adaptivity.
- A kind of 6. adaptive insulative water-proof material according to Claims 1 to 5 any one, it is characterised in that：Including but Be not limited only to ground protection, shunt, coupler, tower put, connection end, plugging member and military project, ship, electric power, data communication, Damaged reparation, the application of waterproof sealing, the fields such as reinforcing, heat conduction and heat radiation of insulating of buried/submarine line.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112080246A (en) * | 2020-08-31 | 2020-12-15 | 仲恺农业工程学院 | Organic silicon pouring sealant and preparation method thereof |
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Inventor after: Lin Yijun Inventor after: Liu Bo Inventor before: Lin Yijun Inventor before: Liu Bo Inventor before: Wang Yi Inventor before: Ling Chen Inventor before: Cheng Kan |
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Effective date of registration: 20200326 Address after: 410205 No.223, tongzipo West Road, Lugu Industrial Park, Changsha high tech Development Zone, Hunan Province Applicant after: CHANGLAN CABLE ACCESSORIES Co.,Ltd. Address before: Yuelu District City, Hunan province 410006 Changsha Wenxuan road Lugu Enterprise Square Lugu Yuan Yu B8 Building 2 floor Applicant before: HUNAN AEROSPACE SANFENG SCIENCE AND TECHNOLOGY Co.,Ltd. |
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Application publication date: 20180119 |