CN106433147A - Self-curing insulating material, preparation method and construction method - Google Patents
Self-curing insulating material, preparation method and construction method Download PDFInfo
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- CN106433147A CN106433147A CN201610835331.6A CN201610835331A CN106433147A CN 106433147 A CN106433147 A CN 106433147A CN 201610835331 A CN201610835331 A CN 201610835331A CN 106433147 A CN106433147 A CN 106433147A
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- Prior art keywords
- insulative material
- parts
- selfcurable insulative
- selfcurable
- construction
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of 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; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention relates to a self-curing insulating material, a preparation method and a construction method. The self-curing insulating material is prepared from auxiliaries and components in parts by weight as follows: 100-500 parts of three-element composition and 5-200 parts of polysiloxane-acrylic ester, wherein the three-element composition is methyl vinyl silicone rubber, light calcium carbonate and ethylene-propylene-diene monomer rubber or butyl rubber. The self-curing insulating material has beneficial effects as follows: the insulating material can be cured at the room temperature and can be made into insulators in different shapes according to construction requirements because the insulating material is very soft in an original state. The self-curing insulating material has an excellent metal adhesiveness and excellent water resistance, the silicone rubber contained in the material has ultraviolet resistance and other anti-aging performance, on-site construction can be realized, tower and hardware fittings are not required to be replaced, weight increase is less than 200 kg per kilometer if the insulating material is used for overhead conductors, the service life can be longer than 10 years, and construction and mounting are facilitated.
Description
Technical field
The present invention relates to a kind of selfcurable insulative material and preparation method and construction method.
Background technology
The design of power circuit become increasingly complex changeable, overhead bare conductor apart from building or tree face too near, electrical safety away from
From inadequate, it is required to provide simple and effective insulation processing.At present, in grid power transmission circuit isolation material, safety glass, porcelain
Matter, composite insulator are main flow materials.Various insulant are tied by material capability, pattern in the performance of antifouling, lightning protection, resist degradation
The impact of structure and different, how in different environment, different areas from different types of insulant so as to performance reaches
It is a problem highly paid close attention to maximizing.
For the insulated enclosure protection of the exposed wire clamp of 10kV aerial condutor, the wire clamp species of aerial condutor has a lot, such as wedge
Shape wire clamp, parallel groove clamp, H shaped cable clamp etc..But wire clamp connects electric armour clamp as the conductor of the electric current that continues, because it is special
Structure and position, are easier influent gas than wire.Aqueous vapor is gathered in wire clamp internal junction, and the harm of generation is also bigger, often causes
Wire and wire clamp oxidation, cause wire, wire clamp contact resistance to increase, and intensity decreases shorten the wire life-span.For gold utensil and electric power
Splice insulation and waterproof, current is insulation booth, but existing insulation booth has problems with, easily aging, easily enters
Water, impact radiating, affect thermometric.Above problem due to the restriction of construction and insulant pattern etc., currently without good
Solution
Content of the invention
It is an object of the invention to overcoming the deficiencies in the prior art, provide a kind of convenient construction, good insulation preformance, water proofing property
Selfcurable insulative material that can be good, non-aging and preparation method and construction method, the waterproof self-curing material that the present invention provides
Initial condition is soft and has good bonding force with metal, can be connected with metal of different shapes parcel, play insulative water-proof
Deng effect.
A kind of selfcurable insulative material that the present invention provides, its technical scheme is:
A kind of selfcurable insulative material, described insulant includes auxiliary agent and the component of following weight portion:
100~500 parts of ternary composition
5~200 parts of silicone acrylates,
Described ternary composition is by methyl vinyl silicone rubber, precipitated calcium carbonate, ethylene propylene diene rubber or butyl rubber group
Become.
Wherein, described insulant includes auxiliary agent and the component of following weight portion:
150~300 parts of ternary composition
20~100 parts of silicone acrylates,
Described ternary composition is by methyl vinyl silicone rubber, precipitated calcium carbonate, ethylene propylene diene rubber or butyl rubber group
Become.
Wherein, described insulant includes auxiliary agent and the component of following weight portion:
80~120 parts of methyl vinyl silicone rubber
Ethylene propylene diene rubber or 60~100 parts of butyl rubber
40~85 parts of precipitated calcium carbonate
15~70 parts of silicone acrylates.
Wherein, described insulant includes auxiliary agent and the component of following weight portion:
85~110 parts of methyl vinyl silicone rubber
Ethylene propylene diene rubber or 65~90 parts of butyl rubber
45~75 parts of precipitated calcium carbonate
25~60 parts of silicone acrylates.
Wherein, described auxiliary agent includes light trigger 10-35 part.
Wherein, described auxiliary agent includes color masterbatch 0.5-5 part, light stabilizer 0.5-5 part.
Wherein, described light trigger is 2- hydroxyl -2- dimethyl -1- acetone, and described light stabilizer is dibutyl tin osmanthus
Sour stannum, described color masterbatch is N550 carbon black.
Wherein, described auxiliary agent includes plasticizer 0.5-5 part, cross-linking agent 0.3-1 part and catalyst 0.3-1 part.
Wherein, in aluminium foil bag, described selfcurable insulative material is in banding piece to described selfcurable insulative material vacuum seals
Material shape.
Present invention also offers a kind of preparation method of selfcurable insulative material, by a kind of above-mentioned selfcurable insulative material
After the component being limited stirs in vacuum stirring container, sealed, extrusion, be packaged in aluminium foil bag after film process true
Empty preservation.
Present invention also offers a kind of construction method of selfcurable insulative material, comprise the following steps:
1), open vacuum packaging;
2), open the plastic sheeting of selfcurable insulative material one side, and to construction ground carry out surface and oil contaminant, oils and fatss and
Dust is processed, and construction substrate temperature is not less than 5 DEG C;
3), will there is no the selfcurable insulative material of plastic sheeting one side against construction ground, sticked and rolled up bag;
4), after volume bag one circle, open the plastic sheeting of another side, and continue the selfcurable insulative opened material volume bag exists
On construction ground;
5), across thin film applied selfcurable insulative material after the completion of volume bag;Selfcurable insulative material initial condition is soft, have
Plasticity, can be suitably real with hand pressure during construction, finally takes thin film off, between every two panels selfcurable insulative material in the longitudinal direction
Should overlap not less than 5cm.
The enforcement of the present invention includes following technique effect:
A kind of cold curing insulant proposed by the present invention, is extruded by multiple rubber composites and forms, contained silicon
Rubber can carry out self-curing by the water of light and in the air, can wrap up even with metal of different shapes after being fully cured within 24 hours
Connect, play the effect such as insulative water-proof, 1.8mm product breakdown voltage can reach 34kV.
The selfcurable insulative material of the present invention has advantages below:Initial condition is sufficiently flexible, can be according to construction needs
Form insulator of different shapes.There is excellent adhesive property to metal, water resistance is excellent, the silicone rubber composition containing has
The ageing resistaces such as UV resistant, can need not change shaft tower gold utensil with site operation, be applied to every kilometer of weightening of aerial condutor not
To 200kg.Service life can be more than 10 years, and convenient construction is installed.
The selfcurable insulative materials application field of the present invention extensively, can be used for following field:Overhead bare conductor is to building, tree
When the safe distances such as wood are inadequate, as minor insulation protection;Overhead lead and the junction of outdoor switch, exposed metal/bare metal position,
As insulated enclosure protection;The insulated enclosure protection of all kinds of exposed wire clamp of aerial condutor.It is applied to the exposed line of 10kV aerial condutor
The insulated enclosure protection of folder;It is applied to gold utensil and Power tabs insulation and waterproof;For switch cubicle and transformer station's master row insulating;Should
For ring main unit.
Specific embodiment
Below in conjunction with embodiment with the present invention is described in detail it should be pointed out that described embodiment only
It is intended to be easy to the understanding of the present invention, and any restriction effect is not risen to it.
Embodiment 1
A kind of selfcurable insulative material of the present embodiment, selfcurable insulative material includes the raw material components of following weight portion:
100 parts of methyl vinyl silicone rubber, ethylene propylene diene rubber or 80 parts of butyl rubber, 64 parts of precipitated calcium carbonate, polysiloxanes propylene
40 parts of acid esters, 2- hydroxyl 18 parts of dimethyl -1- acetone of -2- (light trigger), (light is stable for 1.8 parts of dibutyl tin dilaurate
Agent), 1.8 parts of N550 white carbon black (color masterbatch), 1.8 parts of plasticizer, cross-linking agent and each 0.5 part of catalyst.Plasticizer, friendship in the present embodiment
The concrete component of connection agent and catalyst is not especially limited.
The selfcurable insulative material of the present invention, can be prepared by the following method:By the raw material of said components in vacuum stirring
After stirring in container, it is packaged in vacuum in aluminium foil bag after the sealed, operation such as extrusion, pad pasting and preserves.
A kind of selfcurable insulative material of the present invention, construction method is as follows:
1st, preparation of construction
Construction substrate temperature is not less than 5 DEG C, does not have mist of oil, dust storm and high wind pollution, keep good during construction around construction point
Good ventilation.As outdoor construction, weather conditions should good, no sleet etc..Corresponding safety guarantee carried out by needs and labor protection prepares.
2nd, it is surface-treated
It is proposed with suitable solvent or method first removes surface and oil contaminant, oils and fatss and dust, keep metal surface cleaning, do
Dry.Suggestion as jagged in surface is polished smooth with manually or electrically instrument.Comprise the following steps that () taking aerial line as a example:
1), open vacuum packaging, the two sides of selfcurable insulative material is coated with plastic sheeting.
2), open the plastic sheeting of selfcurable insulative material one side.
3), will there is no the selfcurable insulative material of plastic sheeting one side against aerial line, sticked and rolled up bag.
4), after volume bag one circle, open the plastic sheeting of another side, and continue selfcurable insulative material volume bag in aerial line
On.
5), after the completion of volume bag, surface also can be coated with plastic sheeting, first must not take plastic sheeting off, smear across plastic sheeting
Even selfcurable insulative material;Selfcurable insulative material initial condition is soft, have plasticity, can be suitably real with hand pressure during construction, finally
Again thin film is taken off.Should overlap not less than 5cm in the longitudinal direction between every two panels selfcurable insulative material.
The selfcurable insulative material of the present embodiment be used for 10kV overhead bare conductor insulation and the exposed point insulating of insulated circuit and
Waterproof protective.The selfcurable insulative material of the present embodiment for the insulation of 10kV overhead bare conductor and the exposed point insulating of insulated circuit and is prevented
Water protection and design can rapid construction and can cold curing special strip of sheet material;Selfcurable insulative Material texture before solidification
Possess certain initial strength, excellent certainly melt performance and excellent attaching, from shape performance;Selfcurable insulative material after solidification
Possess excellent insulating properties, excellent elastic, prominent uv-resistance energy, metal is had good adhesion and adhesive force,
Good heat-resisting and fire resistance;Selfcurable insulative material cannot be only used for the protection of aerial line it is also possible to be used for wire clamp or naked
The protection of dew electric connecting point, to improve the stability of power system further.
Embodiment 2
A kind of selfcurable insulative material of the present embodiment, selfcurable insulative material includes the raw material components of following weight portion:
300 parts of ternary composition, 60 parts of silicone acrylates, 2- hydroxyl 18 parts of dimethyl -1- acetone of -2- (light trigger), two
1.8 parts of butyl tin dilaurate stannum (light stabilizer), 1.8 parts of N550 white carbon black (color masterbatch), 1.8 parts of plasticizer, cross-linking agent and catalyst
Each 0.5 part.In the present embodiment, described ternary composition is methyl vinyl silicone rubber, precipitated calcium carbonate, ethylene propylene diene rubber
Compositionss.
, with embodiment 1, this place is no longer superfluous for a kind of preparation method of selfcurable insulative material of the present embodiment and construction method
State.
Embodiment 3
A kind of selfcurable insulative material of the present embodiment, selfcurable insulative material includes the raw material components of following weight portion:
100 parts of ternary composition, 5 parts of silicone acrylates, 2- hydroxyl 10 parts of dimethyl -1- acetone of -2- (light trigger), two
0.5 part of butyl tin dilaurate stannum (light stabilizer), 0.5 part of N550 white carbon black (color masterbatch), 1 part of plasticizer, cross-linking agent and catalyst are each
0.3 part.In the present embodiment, described ternary composition is the compositionss of methyl vinyl silicone rubber, precipitated calcium carbonate, butyl rubber.
, with embodiment 1, this place is no longer superfluous for a kind of preparation method of selfcurable insulative material of the present embodiment and construction method
State.
Embodiment 4
A kind of selfcurable insulative material of the present embodiment, selfcurable insulative material includes the raw material components of following weight portion:
500 parts of ternary composition, 200 parts of silicone acrylates, 2- hydroxyl 35 parts of dimethyl -1- acetone of -2- (light trigger), two
5 parts of butyl tin dilaurate stannum (light stabilizer), 5 parts of N550 white carbon black (color masterbatch), 5 parts of plasticizer, cross-linking agent and each 1 part of catalyst.
In the present embodiment, described ternary composition is the compositionss of methyl vinyl silicone rubber, precipitated calcium carbonate, ethylene propylene diene rubber.
, with embodiment 1, this place is no longer superfluous for a kind of preparation method of selfcurable insulative material of the present embodiment and construction method
State.
Embodiment 5
A kind of selfcurable insulative material of the present embodiment, selfcurable insulative material includes the raw material components of following weight portion:
80 parts of methyl vinyl silicone rubber, ethylene propylene diene rubber or 60 parts of butyl rubber, 40 parts of precipitated calcium carbonate, polysiloxanes acrylic acid
15 parts of ester, 10 parts of light trigger, 1 part of light stabilizer, 1 part of color masterbatch, 1 part of plasticizer, cross-linking agent and each 0.3 part of catalyst..This reality
The concrete component applying light trigger in example, light stabilizer, color masterbatch, plasticizer, cross-linking agent and catalyst is not especially limited.
, with embodiment 1, this place is no longer superfluous for a kind of preparation method of selfcurable insulative material of the present embodiment and construction method
State.
Embodiment 6
A kind of selfcurable insulative material of the present embodiment, selfcurable insulative material includes the raw material components of following weight portion:
120 parts of methyl vinyl silicone rubber, ethylene propylene diene rubber or 100 parts of butyl rubber, 85 parts of precipitated calcium carbonate, polysiloxanes propylene
70 parts of acid esters, 2- hydroxyl 35 parts of dimethyl -1- acetone of -2- (light trigger), 5 parts of dibutyl tin dilaurate (light stabilizer),
5 parts of N550 white carbon black (color masterbatch), 5 parts of plasticizer, cross-linking agent and each 1 part of catalyst.
, with embodiment 1, this place is no longer superfluous for a kind of preparation method of selfcurable insulative material of the present embodiment and construction method
State.
Embodiment 7
A kind of selfcurable insulative material of the present embodiment, selfcurable insulative material includes the raw material components of following weight portion:
85 parts of methyl vinyl silicone rubber, ethylene propylene diene rubber or 65 parts of butyl rubber, 45 parts of precipitated calcium carbonate, polysiloxanes acrylic acid
25 parts of ester, 2- hydroxyl 35 parts of dimethyl -1- acetone of -2- (light trigger), 5 parts of dibutyl tin dilaurate (light stabilizer),
5 parts of N550 white carbon black (color masterbatch), 5 parts of plasticizer, cross-linking agent and each 1 part of catalyst.
, with embodiment 1, this place is no longer superfluous for a kind of preparation method of selfcurable insulative material of the present embodiment and construction method
State.
Embodiment 8
A kind of selfcurable insulative material of the present embodiment, selfcurable insulative material includes the raw material components of following weight portion:
110 parts of methyl vinyl silicone rubber, ethylene propylene diene rubber or 90 parts of butyl rubber, 75 parts of precipitated calcium carbonate, polysiloxanes propylene
60 parts of acid esters, 2- hydroxyl 18 parts of dimethyl -1- acetone of -2- (light trigger), (light is stable for 1.8 parts of dibutyl tin dilaurate
Agent), 1.8 parts of N550 white carbon black (color masterbatch), 1.8 parts of plasticizer, cross-linking agent and each 0.5 part of catalyst.
, with embodiment 1, this place is no longer superfluous for a kind of preparation method of selfcurable insulative material of the present embodiment and construction method
State.
The selfcurable insulative material of above-described embodiment 1-8 has the characteristics that:Being capable of cold curing;Strip of sheet material, construction
Easy, quick;100% solid content, no any volatile substance, environment and human body are no affected;Uniformly, insulating properties are subject to people to material
Less for affecting;The ageing properties of resistance to UV project;Excellent pliability;Excellent heat resistance;Good fire resistance, flame retardant grade
Not up to UL94-V1;Initial condition is soft, and from shape very well, applying can be fine in the irregular position of the shapes such as such as wire clamp
Ground attaches, and water proofing property is secure.
The selfcurable insulative material that embodiment 1-8 is obtained is tested, and experimental condition is 20 DEG C, 50% humidity, its examination
Testing result is to open 30 minutes trial periods, surface drying time 2 hours after packaging, possesses strength time 4 hours, is fully cured the time about
7 days;Design parameter numerical value is as shown in the table:
The parameter values of the selfcurable insulative material of embodiment 1-4
The parameter values of the selfcurable insulative material of embodiment 5-8
Finally it should be noted that above example is only in order to illustrating technical scheme, rather than the present invention is protected
The restriction of shield scope, although having made to explain to the present invention with reference to preferred embodiment, those of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention
Matter and scope.
Claims (10)
1. a kind of selfcurable insulative material it is characterised in that:Described insulant includes auxiliary agent and the component of following weight portion:
100~500 parts of ternary composition,
5~200 parts of silicone acrylates,
Described ternary composition is made up of methyl vinyl silicone rubber, precipitated calcium carbonate, ethylene propylene diene rubber or butyl rubber.
2. a kind of selfcurable insulative material according to claim 1 it is characterised in that:Described insulant include auxiliary agent and
The component of following weight portion:
150~300 parts of ternary composition,
20~100 parts of silicone acrylates,
Described ternary composition is made up of methyl vinyl silicone rubber, precipitated calcium carbonate, ethylene propylene diene rubber or butyl rubber.
3. a kind of selfcurable insulative material according to claim 1 it is characterised in that:Described insulant include auxiliary agent and
The component of following weight portion:
80~120 parts of methyl vinyl silicone rubber,
Ethylene propylene diene rubber or 60~100 parts of butyl rubber,
40~85 parts of precipitated calcium carbonate,
15~70 parts of silicone acrylates.
4. a kind of selfcurable insulative material according to claim 1 it is characterised in that:Described auxiliary agent includes light trigger
10-35 part.
5. a kind of selfcurable insulative material according to claim 4 it is characterised in that:Described auxiliary agent includes color masterbatch 0.5-5
Part and light stabilizer 0.5-5 part.
6. a kind of selfcurable insulative material according to claim 5 it is characterised in that:Described light trigger be 2- hydroxyl-
2- dimethyl -1- acetone, described light stabilizer is dibutyl tin dilaurate, and described color masterbatch is N550 carbon black.
7. a kind of selfcurable insulative material according to claim 6 it is characterised in that:Described auxiliary agent includes plasticizer 0.5-
5 parts, cross-linking agent 0.3-1 part and catalyst 0.3-1 part.
8. according to a kind of arbitrary described selfcurable insulative material of claim 1-7 it is characterised in that:Described selfcurable insulative material
Material is vacuum-sealed in aluminium foil bag, and described selfcurable insulative material is in strip of sheet material shape.
9. a kind of preparation method of selfcurable insulative material it is characterised in that:By according to any one of claim 1~7
After the component that a kind of selfcurable insulative material is limited stirs in vacuum stirring container, sealed, extrusion, film process
After be packaged in aluminium foil bag vacuum and preserve.
10. a kind of selfcurable insulative material according to any one of claim 1~8 construction method it is characterised in that:Bag
Include following steps:
1), open vacuum packaging;
2), open the plastic sheeting of selfcurable insulative material one side, and surface and oil contaminant, oils and fatss and dust are carried out to construction ground
Process, construction substrate temperature is not less than 5 DEG C;
3), will there is no the selfcurable insulative material of plastic sheeting one side against construction ground, sticked and rolled up bag;
4), after volume bag one circle, open the plastic sheeting of another side, and continue the selfcurable insulative opened material volume bag in construction
On ground;
5), across thin film applied selfcurable insulative material after the completion of volume bag;Selfcurable insulative material initial condition is soft, mould
Property, can be suitably real with hand pressure during construction, finally thin film is taken off, in the longitudinal direction should between every two panels selfcurable insulative material
Overlap joint is not less than 5cm.
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CN109423252A (en) * | 2017-06-27 | 2019-03-05 | 深圳光启高等理工研究院 | A kind of insulating tape and preparation method thereof |
CN109456598A (en) * | 2018-05-29 | 2019-03-12 | 浙江上青元电力科技有限公司 | A kind of selfcurable insulative packaging material |
CN110028897A (en) * | 2019-04-26 | 2019-07-19 | 广东阿尔派新材料股份有限公司 | A kind of lightweight selfcurable insulative material intelligently coated applied to overhead bare conductor |
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