CN104610905A - High-voltage-insulation sealing adhesive - Google Patents
High-voltage-insulation sealing adhesive Download PDFInfo
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- CN104610905A CN104610905A CN201410839404.XA CN201410839404A CN104610905A CN 104610905 A CN104610905 A CN 104610905A CN 201410839404 A CN201410839404 A CN 201410839404A CN 104610905 A CN104610905 A CN 104610905A
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Abstract
The invention relates to high-voltage-insulation sealing adhesive. The high-voltage-insulation sealing adhesive comprises a first composition and a second composition which are stored separately, wherein the first composition comprises the following components in parts by weight: 40-60 parts of hydroxy-terminated polysiloxane, 3-10 parts of silicon dioxide, 10-60 parts of a filler, 1-5 parts of a cross-linking agent and 0.2-1 part of a silane coupling agent; the second composition comprises the following components in parts by weight: 30-60 parts of hydroxy-terminated polysiloxane, 0-10 parts of polymethyl siloxane, 10-60 parts of a filler and 0.8-1.5 parts of a catalyst. The first composition and the second composition are stored separately, and during room-temperature mixing, sulfuration reaction is performed on the hydroxy-terminated polysiloxane, the cross-linking agent and the silane coupling agent under the action of the catalyst; after the sulfuration reaction, a product is excellent in flame retardance, electrical performance and bonding strength, and has shockproof and waterproof functions; the two compositions are shaped as blocks, and can be directly kneaded into any shapes by hands for sealing, so that the high-voltage-insulation sealing adhesive is easy and convenient to use.
Description
Technical field
What the present invention relates to is a kind of shutoff glue, and what especially relate to is a kind of High-Voltage Insulation shutoff glue.
Background technology
At the power regulation station of power system, many indoor equipmenies are had to be connected with outdoor, need through body of wall, because energized conductor can not directly contact with Portland cement fragment of brick, therefore, when conductor is through walls, method the most frequently used at present replaces the conventional conductor such as busbar, bus to transmit electricity with expensive compound wall bushing on body of wall.After installation compound wall bushing, need sleeve pipe and hole fragment of brick between the walls and sand-cement slurry shutoff, waste time and energy, and easy damage wall bushing.If adopt the transmission of electricity through walls of conventional busbar, bus, make busbar, between bus and body of wall, keep certain gap safe distance, have animalcule and climb at gap location, cause the potential safety hazard of short circuit.The seal gum that current market is sold or shutoff glue, have certain mobility, be directly used in the gap shutoff between conductor through walls and body of wall, at seal gum or shutoff glue before curing, can produce trickling, poor effect, also unsightly.
Summary of the invention
The object of the invention is to overcome current Problems existing, a kind of High-Voltage Insulation shutoff glue of cheap, easy to use, excellent performance is provided.
For achieving the above object, technical solution of the present invention is a kind of High-Voltage Insulation shutoff glue, comprises the first composition and the second composition that separately store, produces vulcanization reaction when both mix under room temperature;
First composition comprises the component of following parts by weight: hydroxy-terminated polysiloxane 40-60 part, silicon-dioxide 3-10 part, filler 10-60 part, linking agent 1-5 part, silane coupling agent 0.2-1 part;
Second composition comprises the component of following parts by weight: hydroxy-terminated polysiloxane 30-60 part, polymethyl siloxane 0-10 part, filler 10-60 part, catalyzer 0.8-1.5 part.
Preferably, the viscosity of described hydroxy-terminated polysiloxane is 2000-50000cP, and described polymethyl siloxane viscosity is 50-1000cP.
Preferably, the viscosity of described hydroxy-terminated polysiloxane is 8000-20000cP, and described polymethyl siloxane viscosity is 100-400cP.
Preferably, described polymethyl siloxane is dimethyl silicone oil.
Preferably, described filler include in nano-calcium carbonate, aluminium hydroxide, silica powder, decabromodiphynly oxide, TDE, aluminum oxide one or more, described filler also comprises Zinic stearas and nano-bentonite.
Preferably, described linking agent is one or more in tetraethoxy, ethyl polysilicate, methyl tributanoximo silane, four Diacetylmonoxime base silanes, vinyl Diacetylmonoxime base silane, methyl tri acetylacetonate base silane.
Preferably, described silane coupling agent is one or more in amino silicane coupling agent, vinylsiloxane, epoxy group(ing) siloxanes, acryloxy silane coupling agent.
Preferably, described catalyzer is one or more in dibutyl tin laurate, tin dilaurate dioctyl tin, tetrabutyl titanate ester, four isobutyl-titanic acid ester.
Preferably, described first mixture and the second mixture weight are 1:(0.9-1.2 than the ratio of mixture represented).
Preferably, described first composition and the second composition are in block, and both are superimposed after encapsulating respectively and seal with same packing bag.
Beneficial effect of the present invention: two kinds of compositions separately store by the present invention, at room temperature hydroxy-terminated polysiloxane, linking agent and silane coupling agent can produce vulcanization reaction under the effect of catalyzer, also can at room temperature solidify voluntarily after reaction when both mix; Two kinds of compositions make bulk, and can directly pinch and be mixed into arbitrary shape and carry out shutoff by hand, High-Voltage Insulation shutoff glue be random strong, uses simple and convenient; Two kinds of reacted products of composition hardening have excellent flame retardant resistance, electrical property and bonding strength, also have shockproof, water-proof function simultaneously.The present invention adds Zinic stearas and nano-bentonite as filler in two kinds of compositions, can not glue hand, and ensure that shutoff glue can not produce trickling phenomenon before curing when composition can be made especially to carry out kneading operation, ensures the attractive in appearance of sealing.
Embodiment
For a better understanding of the present invention, below by specific embodiment, the present invention is further described.
Following related substance composition number is unified refers to parts by weight.
Embodiment 1
First composition: by the hydroxy-terminated polysiloxane 45 parts of 20000cP, tetraethoxy 1.5 parts and amino silicane coupling agent 0.5 part of mixing and stirring, successively silicon-dioxide 6 parts, Zinic stearas 4 parts, nano-bentonite 12 parts, TDE 6 parts, 25 parts, aluminium hydroxide are joined in kneader again, stir, be finally extruded into bulk and encapsulate.
Second composition: by the hydroxy-terminated polysiloxane 40 parts of 20000cP, 200cP dimethyl silicone oil 5 parts and dibutyl tin laurate 0.4 part of mixing and stirring, again successively by Zinic stearas 4 parts, nano-bentonite 10 parts, TDE 9.6 parts, 25 parts, aluminium hydroxide join in kneader, stir, be finally extruded into bulk again and encapsulate.
Above-mentioned first composition and the second composition are made into the bulk of equal length, width and height, separately after encapsulation, are superimposed and pack with same package bag vacuum.
Embodiment 2
First composition: by the hydroxy-terminated polysiloxane 45 parts of 5000cP, tetraethoxy 1.5 parts and amino silicane coupling agent 0.5 part of mixing and stirring, successively silica 10 part, Zinic stearas 4 parts, nano-bentonite 12 parts, TDE 7 parts, 20 parts, aluminium hydroxide are joined in kneader again, stir, be finally extruded into bulk again and encapsulate.
Second composition: by the hydroxy-terminated polysiloxane 40 parts of 5000cP, 200cP dimethyl silicone oil 5 parts and dibutyl tin laurate 0.4 part of mixing and stirring, again successively by Zinic stearas 4 parts, nano-bentonite 12 parts, TDE 7 parts, 20 parts, aluminium hydroxide join in kneader, stir, be finally extruded into bulk again and encapsulate.
Above-mentioned first composition and the second composition are made into the bulk of equal length, width and height, separately after encapsulation, are superimposed and pack with same package bag vacuum.
Embodiment 3
First composition: by the hydroxy-terminated polysiloxane 11.25 parts of 50000cP, the hydroxy-terminated polysiloxane 33.75 parts of 10000cP, tetraethoxy 1.5 parts and amino silicane coupling agent 0.5 part of mixing and stirring, successively silicon-dioxide 8 parts, Zinic stearas 4 parts, nano-bentonite 10 parts, TDE 6 parts, 25 parts, aluminium hydroxide are joined in kneader again, stir, be finally extruded into bulk again and encapsulate.
Second composition: by the hydroxy-terminated polysiloxane 10 parts of 50000cP, the hydroxy-terminated polysiloxane 30 parts of 10000cP, 200cP dimethyl silicone oil 5 parts and dibutyl tin laurate 0.4 part of mixing and stirring, successively Zinic stearas 4 parts, nano-bentonite 9.6 parts, TDE 6 parts, 25 parts, aluminium hydroxide are joined in kneader again, stir, be finally extruded into bulk again and encapsulate.
Above-mentioned first composition and the second composition are made into the bulk of equal length, width and height, separately after encapsulation, are superimposed and pack with same package bag vacuum.
Embodiment 4
First composition: by the hydroxy-terminated polysiloxane 45 parts of 20000cP, tetraethoxy 1.5 parts and isocyanatopropyl triethoxyl silane 0.5 part of mixing and stirring, successively silicon-dioxide 6 parts, Zinic stearas 4 parts, nano-bentonite 12 parts, TDE 6 parts, 25 parts, aluminium hydroxide are joined in kneader again, stir, be finally extruded into bulk again and encapsulate.
Second composition: by the hydroxy-terminated polysiloxane 40 parts of 20000cP, 200cP dimethyl silicone oil 5 parts and dibutyl tin laurate 0.4 part of mixing and stirring, successively Zinic stearas 4 parts, nano-bentonite 9.6 parts, TDE 6 parts, 25 parts, aluminium hydroxide are joined in kneader again, stir, be finally extruded into bulk again and encapsulate.
Above-mentioned first composition and the second composition are made into the bulk of equal length, width and height, separately after encapsulation, are superimposed and pack with same package bag vacuum.
Embodiment 5
First composition: by the hydroxy-terminated polysiloxane 45 parts of 20000cP, methyl tributanoximo silane 1.5 parts, amino silicane coupling agent 0.5 part of mixing and stirring, successively silicon-dioxide 6 parts, Zinic stearas 4 parts, nano-bentonite 12 parts, TDE 10 parts, 11 parts, aluminum oxide are joined in kneader again, stir, be finally extruded into bulk again and encapsulate.
Second composition: by the hydroxy-terminated polysiloxane 40 parts of 20000cP, 200cP dimethyl silicone oil 5 parts and dibutyl tin laurate 0.4 part of mixing and stirring, successively Zinic stearas 4 parts, nano-bentonite 10 parts, TDE 9.6 parts, 15 parts, aluminum oxide are joined in kneader again, stir, be finally extruded into bulk again and encapsulate.
Above-mentioned first composition and the second composition are made into the bulk of equal length, width and height, separately after encapsulation, are superimposed and pack with same package bag vacuum.
The first composition that above-mentioned 5 embodiments are obtained and the second composition obtain the outcome record such as physical properties, flame retardant resistance, electrical property and bonding strength in table 1 with weight ratio 1:1 combined experiments.Can show from table 1, the present invention has excellent flame retardant resistance, electrical property and bonding strength, and hardness is lower, can directly field mix vulcanization reaction self-vulcanizing.
Table 1
The foregoing is only and be described in further detail the invention provides, and be not used to limit the scope of the invention, all various changes of doing within the spirit and principles in the present invention scope and improvement, all should be included within protection scope of the present invention.
Claims (10)
1. a High-Voltage Insulation shutoff glue, is characterized in that, comprises the first composition and the second composition that separately store, produces vulcanization reaction when both mix under room temperature;
First composition comprises the component of following parts by weight: hydroxy-terminated polysiloxane 40-60 part, silicon-dioxide 3-10 part, filler 10-60 part, linking agent 1-5 part, silane coupling agent 0.2-1 part;
Second composition comprises the component of following parts by weight: hydroxy-terminated polysiloxane 30-60 part, polymethyl siloxane 0-10 part, filler 10-60 part, catalyzer 0.8-1.5 part.
2. the High-Voltage Insulation shutoff glue according to claims 1, is characterized in that: the viscosity of described hydroxy-terminated polysiloxane is 2000-50000cP, and described polymethyl siloxane viscosity is 50-1000cP.
3. the High-Voltage Insulation shutoff glue according to claims 2, is characterized in that: the viscosity of described hydroxy-terminated polysiloxane is 8000-20000cP, and described polymethyl siloxane viscosity is 100-400cP.
4. High-Voltage Insulation shutoff glue according to claims 2 or 3, is characterized in that: described polymethyl siloxane is dimethyl silicone oil.
5. the High-Voltage Insulation shutoff glue according to claims 1, it is characterized in that: described filler include in nano-calcium carbonate, aluminium hydroxide, silica powder, decabromodiphynly oxide, TDE, aluminum oxide one or more, described filler also comprises Zinic stearas and nano-bentonite.
6. a kind of High-Voltage Insulation shutoff glue according to claims 1, is characterized in that: described linking agent is one or more in tetraethoxy, ethyl polysilicate, methyl tributanoximo silane, four Diacetylmonoxime base silanes, vinyl Diacetylmonoxime base silane, methyl tri acetylacetonate base silane.
7. a kind of High-Voltage Insulation shutoff glue according to claims 1, is characterized in that: described silane coupling agent is one or more in amino silicane coupling agent, vinylsiloxane, epoxy group(ing) siloxanes, acryloxy silane coupling agent.
8. the High-Voltage Insulation shutoff glue according to claims 1, is characterized in that: described catalyzer is one or more in dibutyl tin laurate, tin dilaurate dioctyl tin, tetrabutyl titanate ester, four isobutyl-titanic acid ester.
9. High-Voltage Insulation shutoff glue according to any one of claim 1-8, is characterized in that: described first mixture and the second mixture weight are 1:(0.9-1.2 than the ratio of mixture represented).
10. the High-Voltage Insulation shutoff glue according to claims 1, is characterized in that: described first composition and the second composition are in block, and both are superimposed after encapsulating respectively and seal with same packing bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410839404.XA CN104610905B (en) | 2014-12-30 | 2014-12-30 | A kind of High-Voltage Insulation closure glue |
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| CN201410839404.XA CN104610905B (en) | 2014-12-30 | 2014-12-30 | A kind of High-Voltage Insulation closure glue |
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| CN104610905A true CN104610905A (en) | 2015-05-13 |
| CN104610905B CN104610905B (en) | 2017-01-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105838316A (en) * | 2016-05-06 | 2016-08-10 | 烟台图文马克化工科技有限公司 | Flame-retardant silicone sealant for hollow glass |
| CN105860535A (en) * | 2016-06-22 | 2016-08-17 | 福建瑞森新材料股份有限公司 | Room-temperature self-melting silica gel sheet |
| CN106190014A (en) * | 2016-08-18 | 2016-12-07 | 覃树强 | A kind of weather-proof conductive silicone sealant and preparation method thereof |
| CN108504282A (en) * | 2018-05-08 | 2018-09-07 | 芮城华纳纳米材料有限公司 | A kind of nanometer of moisture retardant blocks agent prescription and preparation method |
| CN111205650A (en) * | 2018-11-21 | 2020-05-29 | 王长杰 | Production process flow and formula of high-voltage bare conductor insulating material |
Citations (3)
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| CN102167965A (en) * | 2011-01-13 | 2011-08-31 | 霍尼韦尔综合科技(中国)有限公司 | Bi-component room-temperature cured silicone sealant |
| CN103387811A (en) * | 2013-08-14 | 2013-11-13 | 福建瑞森化工有限公司 | Organic silicon rubber waterproof adhesive and preparation method thereof |
| CN103642452A (en) * | 2013-11-28 | 2014-03-19 | 广西华纳新材料科技有限公司 | Method for preparing silicone sealant |
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2014
- 2014-12-30 CN CN201410839404.XA patent/CN104610905B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167965A (en) * | 2011-01-13 | 2011-08-31 | 霍尼韦尔综合科技(中国)有限公司 | Bi-component room-temperature cured silicone sealant |
| CN103387811A (en) * | 2013-08-14 | 2013-11-13 | 福建瑞森化工有限公司 | Organic silicon rubber waterproof adhesive and preparation method thereof |
| CN103642452A (en) * | 2013-11-28 | 2014-03-19 | 广西华纳新材料科技有限公司 | Method for preparing silicone sealant |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105838316A (en) * | 2016-05-06 | 2016-08-10 | 烟台图文马克化工科技有限公司 | Flame-retardant silicone sealant for hollow glass |
| CN105860535A (en) * | 2016-06-22 | 2016-08-17 | 福建瑞森新材料股份有限公司 | Room-temperature self-melting silica gel sheet |
| CN106190014A (en) * | 2016-08-18 | 2016-12-07 | 覃树强 | A kind of weather-proof conductive silicone sealant and preparation method thereof |
| CN108504282A (en) * | 2018-05-08 | 2018-09-07 | 芮城华纳纳米材料有限公司 | A kind of nanometer of moisture retardant blocks agent prescription and preparation method |
| CN111205650A (en) * | 2018-11-21 | 2020-05-29 | 王长杰 | Production process flow and formula of high-voltage bare conductor insulating material |
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| CN104610905B (en) | 2017-01-04 |
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