CN102796479B - Adhesive for producing laminated bus insulating pad, preparation method of adhesive and production method of insulating pad - Google Patents
Adhesive for producing laminated bus insulating pad, preparation method of adhesive and production method of insulating pad Download PDFInfo
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- CN102796479B CN102796479B CN201210316094.4A CN201210316094A CN102796479B CN 102796479 B CN102796479 B CN 102796479B CN 201210316094 A CN201210316094 A CN 201210316094A CN 102796479 B CN102796479 B CN 102796479B
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- adhesive
- insulating pad
- laminated bus
- tackiness agent
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Abstract
The invention relates to an adhesive for producing a laminated bus insulating pad, a preparation method of the adhesive and a production method of the insulating pad. Substances for constituting the adhesive comprise liquid epoxy resin, solid epoxy resin, a latent curing agent, butadiene-acrylonitrile rubber, highly heat-conducting modified inorganic powder and an organic solvent. The preparation method of the adhesive comprises the following steps of: proportioning; mixing; and the like. The production method of the insulating pad comprises the following steps of: selecting an insulating base layer; coating the adhesive; and drying the formed adhesive layer. The adhesive has the advantages of high heat conductivity, high adhesion strength, high toughness and the like; the insulating pad has the characteristics of low raw material cost, simple and convenient manufacturing process, high heat conductivity, high shear strength and high electric performance conservation rate of the insulating pad before and after bending; and a laminated bus which is prepared by using the insulating pad has the characteristics of high heat conductivity, quick radiation, high workability, high electric performance conservation rate and the like and can meet the bus bending requirement.
Description
technical field
The present invention relates to the production method of a kind of tackiness agent for the production of laminated bus insulating cell and preparation method thereof and insulating cell.
Background technology
Laminated bus of high-power current converting device, has vast potential for future development with the performance characteristics of the excellences such as its low inductance, simple installation.High-power laminated bus is to be stacked together with the copper bar form of Bao Youkuan again, between each layer, with the material of very thin high insulation resistance, be hot pressed into one, the high-power laminated bus structure of this integral body, can bear the shearing stress of hundreds of kilograms, can bear the voltage of thousands of volts between its conducting electrode.In order to meet the performance requriements of high-power laminated bus, the material of its high insulation resistance has played vital effect.In the at present domestic report bus is manufactured, the production method of some bus insulation layers has been proposed, described in CN101105990A, on the surface of bus with electrostatic spraying mode spray epoxy powder, to reach the object of manufacturing insulation layer, this method only limits to meet surperficial insulation requirements, cannot be applicable to the layer insulation demand of high-power laminated bus.According to another CN1901101A report, a kind of insulation rubber filling type multilayer composite bus row and processing positioning method thereof, it adopts Insulation Material that insulation layer adds that thin adhesive sheet and later stage pour into as bonding insulation layer, its complex process, and energy consumption is large.Meanwhile, in to the report of insulation layer, its surface and middle the adhesive linkage all report of applicable insulating cell tackiness agent used almost do not have.For meeting the performance requriements of laminated bus of high-power current converting device, the tackiness agent that insulating cell is used and the insulating cell of making as one of material with it must meet following requirement: 1, tackiness agent good heat conductivity, with the insulated substrate of insulating cell carry out compound after, its heat conductivility improves; 2, the bonding strength of tackiness agent is high, and after laminating with the compound prepared insulating cell of insulated substrate and busbar, physical strength is high.3, processing characteristics is good, meet the bending needs of bus in processing, and electric property conservation rate is high; 4, tackiness agent processing is simple, the insulating cell thin thickness making after compound; 5, environmental resistance is excellent, and insulating cell must be able to meet laminated bus rugged environment condition, comprises salt fog, mould, damp and hot etc.Prior art is without having product of above-mentioned over-all properties and advantage and preparation method thereof.
Summary of the invention
An object of the present invention is to provide a kind of tackiness agent for the production of laminated bus insulating cell with high thermal conductivity, high-adhesive-strength and high tenacity, and the preparation method of tackiness agent.
Another object of the present invention is to provide a kind ofly uses tackiness agent of the present invention as must be by the method for material produce insulating cell.
The technical scheme of the tackiness agent for the production of laminated bus insulating cell of the present invention is:
A kind of tackiness agent for the production of laminated bus insulating cell, its component by weight, comprise: 10 ~ 30 parts of liquid epoxiess, 10 ~ 30 parts of solid epoxies, 0.1 ~ 10 part of latent curing agent, 3 ~ 20 parts of paracrils, and 1 ~ 30 part high heat conduction inorganic powder and 20 ~ 50 parts of organic solvents.
Further technical scheme is:
The described tackiness agent for the production of laminated bus insulating cell, its liquid epoxies is selected from a kind of in tri-kinds of E-51, E-44, E-42 or by multiple mixing wherein.
The described tackiness agent for the production of laminated bus insulating cell, its solid epoxy is selected from a kind of in tetra-kinds of bisphenol A type epoxy resin E-20, E-12, E-05 and E-03 or by multiple mixing wherein.
The described tackiness agent for the production of laminated bus insulating cell, its latent curing agent is selected from a kind of in nine kinds of dimethyl formamide, sebacic dihydrazide, adipic dihydrazide, BF3-amine complex, ZnCl2-amine complex, SnCl4-amine complex, TiCl-amine complex, borate ester boron amide title complex and trolamine boric acid esters or by multiple mixing wherein.
The described tackiness agent for the production of laminated bus insulating cell, its paracril is selected from a kind of in four kinds of nbr carboxyl terminal, end amido paracril, end-vinyl paracril and epoxy terminated paracrils or by multiple mixing wherein.
The described tackiness agent for the production of laminated bus insulating cell, its high heat conduction inorganic powder is selected from a kind of in five kinds, aluminium hydroxide, magnesium hydroxide, calcium hydroxide, silicon-dioxide and calcium carbonate or by multiple mixing wherein.
The described tackiness agent for the production of laminated bus insulating cell, its organic solvent is selected from a kind of in seven kinds of toluene, dimethylbenzene, ethyl acetate, butylacetate, acetone, methylethylketone and pimelinketone or by multiple mixing wherein.
The method for formulating technical scheme of the tackiness agent for the production of laminated bus insulating cell of the present invention is:
A preparation method for the production of the tackiness agent of laminated bus insulating cell, comprises the steps:
A, batching: by weight, take respectively raw material, wherein: 10 ~ 30 parts of liquid epoxiess, 10 ~ 30 parts of solid epoxies, 0.1 ~ 10 part of latent curing agent, 3 ~ 20 parts of paracrils, and 1 ~ 30 part high heat conduction inorganic powder and 20 ~ 50 parts of organic solvents;
B, mixing liquid epoxy resin and solid epoxy: liquid epoxies and solid epoxy two class raw materials are uniformly mixed being less than or equal at the temperature of 150 ℃;
C, add organic solvent: organic solvent gradation is added in B step mixture and evenly mixed;
D, add paracril: by joining after paracril swelling, in C step mixture, stir and cooling;
E, latent curing agent and high heat conduction inorganic powder are added in D step mixture and evenly mixed;
F, E step mixture is disperseed by ultrasonic wave, then use organic solvent adjusting viscosity, finally make tackiness agent.
By the method and technology scheme of adhesive producing insulating cell of the present invention, be:
A method for use adhesive producing insulating cell of the present invention, its insulating cell comprises three layers, middle one deck is insulated substrate, on a side of this insulated substrate, is the first side adhesive layer, is the second side adhesive layer on another side; Two side adhesive layers tackiness agent used of described insulated substrate is tackiness agent of the present invention;
The method of producing this insulating cell comprises the steps:
A, elder generation's coating binder on a side of insulated substrate, then heating, exhausting, completes the first side adhesive layer;
B, coating binder on another side of insulated substrate again, be then delivered into oven drying, completes the second side adhesive layer;
On c, two side adhesive layers after b step is dried, cover fractal film, then rolling, makes insulating cell.
The method of described production insulating cell, its insulated substrate material is selected from polyimide (PI) film, or poly terephthalic acid diethyl ester (PET) film, or NOMEX paper, or polyester glass fibre cloth.
The technology of the present invention effect is remarkable:
1, tackiness agent good heat conductivity, with the insulated substrate of insulating cell carry out compound after, its heat conductivility improves; 2, tackiness agent bonding strength is high, and after laminating with the compound prepared insulating cell of insulated substrate and busbar, physical strength is high, the insulation adhesive linkage that can be used as laminated bus of high-power current converting device is used, the heat-sinking capability that strengthens laminated bus, physical strength, extends its work-ing life; 3, insulating cell manufacturing process is easy, save energy, and suitability is strong, can be used for the insulation in surface and middle layer; 4, insulating cell processing characteristics is good, meets the bending needs of bus in processing, and before and after bending, electric property conservation rate is high; 5, environmental resistance is excellent, meets laminated bus rugged environment condition, comprises salt fog, mould, damp and hot etc.; 6, easy, the specific equipment of manufacture method can produce the laminated bus insulating cell that quality is high.
Accompanying drawing explanation
Fig. 1 is the structural representation as the insulating cell of one of material production with tackiness agent of the present invention.
In figure, Reference numeral is: 1-the first side adhesive layer, 2-the second side adhesive layer, 3-insulated substrate.
Embodiment
To the tackiness agent for the production of laminated bus insulating cell of the present invention, be described further as follows in conjunction with the embodiments:
Embodiment 1: be the basic embodiment of the tackiness agent for the production of laminated bus insulating cell of the present invention, this adhesive components by weight, comprise: 10 ~ 30 parts of liquid epoxiess, 10 ~ 30 parts of solid epoxies, 0.1 ~ 10 part of latent curing agent, 3 ~ 20 parts of paracrils, and 1 ~ 30 part high heat conduction inorganic powder and 20 ~ 50 parts of organic solvents.
Embodiment 2: be a preferred example, described adhesive components by weight, 14 parts of liquid epoxiess, 20 parts of solid epoxies, 2 parts of latent curing agents, 5 parts of paracrils, and 25 parts high heat conduction inorganic powders and 34 parts of organic solvents.
Embodiment 3: be another example, described adhesive components by weight, 10 parts of liquid epoxiess, 10 parts of solid epoxies, 0.1 part of latent curing agent, 3 parts of paracrils, and 1 part high heat conduction inorganic powder and 20 parts of organic solvents.
Embodiment 4: be a further embodiment on the basis of embodiment 1, described liquid epoxies is selected from a kind of in tri-kinds of E-51, E-44, E-42 or by multiple mixing wherein.Described solid epoxy is selected from a kind of in tetra-kinds of E-20, E-12, E-05 and E-03 or by multiple mixing wherein; The main purpose that adds solid epoxy in tackiness agent is to make tackiness agent have at normal temperatures operability, reduces uncured front viscosity, and its addition can be adjusted according to actual processing conditions and environment for use.Described latent curing agent is selected from a kind of in nine kinds of dimethyl formamide, sebacic dihydrazide, adipic dihydrazide, BF3-amine complex, ZnCl2-amine complex, SnCl4-amine complex, TiCl-amine complex, borate ester boron amide title complex and trolamine boric acid esters or by multiple synthetic forming wherein, wherein take from dimethyl formamide, sebacic dihydrazide, BF3-amine complex, borate ester boron amide title complex for preferred; Select the object of such solidifying agent to be to guarantee that curing reaction does not occur tackiness agent under normal temperature state, while needing its reaction, be elevated to certain solidification value, polymkeric substance starts to occur curing reaction.
Embodiment 5: be another further embodiment on the basis of embodiment 1, described paracril is selected from a kind of in four kinds of nbr carboxyl terminal, end amido paracril, end-vinyl paracril and epoxy terminated paracrils or by multiple mixing wherein, rubber is being brought into play two vital role in toughened system, the one, as stress concentration center, cause a large amount of crazings and shear zone, consume a large amount of energy, the 2nd, control the development of crazing, make its termination and be unlikely to develop into destructive crackle.Its addition is larger on the toughening effect impact of toughened system simultaneously, and when its addition is less than 3 parts, toughening effect is not obvious, and while being greater than 20 parts, resin combination rigidity declines, and tensile strength reduces.Described high heat conduction inorganic powder is selected from a kind of in five kinds, Powdered or spherical aluminium hydroxide, magnesium hydroxide, calcium hydroxide, silicon-dioxide and calcium carbonate or by multiple mixing wherein, its object is in fluoropolymer resin, to form heat conduction chain by the inorganic powder of high heat conduction, strengthens the thermal conductivity of the resin that thermal conductivity is lower.Described organic solvent is selected from a kind of in seven kinds of toluene, dimethylbenzene, ethyl acetate, butylacetate, acetone, methylethylketone and pimelinketone or by multiple mixing wherein, its object is to regulate the viscosity of resin combination, makes tackiness agent be applicable to different processing or Working environment.
To the preparation method of the tackiness agent for the production of laminated bus insulating cell of the present invention, be described further as follows in conjunction with the embodiments:
Embodiment 6: be the basic embodiment of preparation method of the tackiness agent for the production of laminated bus insulating cell of the present invention, its step is as follows:
A, batching: by weight, take respectively raw material, wherein: 10 ~ 30 parts of liquid epoxiess, 10 ~ 30 parts of solid epoxies, 0.1 ~ 10 part of latent curing agent, 3 ~ 20 parts of paracrils, and 1 ~ 30 part high heat conduction inorganic powder and 20 ~ 50 parts of organic solvents;
B, mixing liquid epoxy resin and solid epoxy: liquid epoxies and solid epoxy two class raw materials are uniformly mixed being less than or equal at the temperature of 150 ℃;
C, add organic solvent: organic solvent gradation is added in B step mixture and evenly mixed;
D, add paracril: paracril is joined and in C step mixture, stirred and cooling;
E, latent curing agent and high heat conduction inorganic powder are added in D step mixture and evenly mixed;
F, E step mixture is disperseed by ultrasonic wave, make tackiness agent.
Embodiment 7: as different from Example 6, be a preferred embodiment, step is:
A, batching: 30 parts of liquid epoxiess, 30 parts of solid epoxies, 10 parts of BF3-amine complexes, 20 parts of paracrils, 30 parts of aluminium hydroxides, 50 parts of acetone;
B, mixing liquid epoxy resin and solid epoxy: get 30 parts of liquid epoxiess and be heated to 130 ℃ and be uniformly mixed with 30 parts of complete meltings of solid epoxy;
C, add organic solvent: 50 parts of organic solvent-acetones are added in B step mixture and evenly mixed;
D, add paracril: 20 parts of paracrils are joined in C step mixture and stirred, until paracril dissolves completely, and cooling;
E, with adding 10 parts of BF3-amine complexes in backward D step mixture, be stirred to completely and dissolve, then add 30 parts of aluminium hydroxides evenly to mix;
F, ultrasonic wave for E step mixture is disperseed 2 hours, make tackiness agent.
Embodiment 8: different from above-described embodiment 8, the addition of the solid epoxy of the present embodiment is 20 parts, and the addition of solid epoxy is 14 parts.
Embodiment 9: different from above-described embodiment 8, the high heat conduction inorganic powder of the present embodiment is silicon-dioxide.
To the method with adhesive producing insulating cell of the present invention, be described further as follows in conjunction with the accompanying drawings and embodiments:
Embodiment 10: be the structure iron with the insulating cell of adhesive producing of the present invention as shown in Figure 1, the present embodiment is for producing the basic embodiment of method of insulating cell.Insulating cell comprises three layers, and middle one deck is insulated substrate 3, on a side of this insulated substrate 3, is the first side adhesive layer 1, is the second side adhesive layer 2 on another side; Two side adhesive layers tackiness agent used of described insulated substrate is tackiness agent of the present invention;
The method steps of producing this insulating cell is as follows:
A, elder generation's coating binder on a side of insulated substrate 3, then heating, exhausting, completes the first side adhesive layer 1;
B, coating binder on another side of insulated substrate 3 again, be then delivered into oven drying, completes the second side adhesive layer 2;
On c, two side adhesive layers after b step is dried, cover fractal film, then rolling, makes insulating cell.
The method of described production insulating cell, its insulated substrate material is selected from polyimide (PI) film, or poly terephthalic acid diethyl ester (PET) film, or NOMEX paper, or polyester glass fibre cloth.
Embodiment 11: different from above-described embodiment 10, and with the made adhesive producing insulating cell of joining of embodiment 7.The material of insulated substrate 3 is polyimide film (PI film), and thickness is 0.15 millimeter.By coating binder on two sides of step a and b Yuan basic unit 3, form the first side adhesive layer 1 and the second side adhesive layer 2, wherein sending oven drying temperature to is 80 ℃, and be 10 minutes time of drying, finally stick fractal film rolling, make insulating cell.
Embodiment 12: different from above-described embodiment 11, and with the made adhesive producing insulating cell of joining of embodiment 8.
Embodiment 13: different from above-described embodiment 12, and insulated substrate material selection PET film.
The claimed model of invention right is not limited to above-described embodiment admittedly.
Claims (3)
1. the tackiness agent for the production of laminated bus insulating cell, it is characterized in that, its component by weight, comprise: 10 ~ 30 parts of liquid epoxiess, 10 ~ 30 parts of solid epoxies, 0.1 ~ 10 part of latent curing agent, 3 ~ 20 parts of paracrils, and 1 ~ 30 part high heat conduction inorganic powder and 20 ~ 50 parts of organic solvents; Described latent curing agent is selected from dimethyl formamide, sebacic dihydrazide, adipic dihydrazide, BF
3-amine complex, ZnCl
2-amine complex, SnCl
4a kind of in nine kinds of-amine complex, TiCl-amine complex, borate ester boron amide title complex and trolamine boric acid esters or by multiple mixing wherein; Described high heat conduction inorganic powder is selected from a kind of in five kinds, aluminium hydroxide, magnesium hydroxide, calcium hydroxide, silicon-dioxide and calcium carbonate or by multiple mixing wherein;
The described tackiness agent for the production of laminated bus insulating cell, with the production method comprising the steps, make:
A, batching: by weight, take respectively raw material, wherein: 10 ~ 30 parts of liquid epoxiess, 10 ~ 30 parts of solid epoxies, 0.1 ~ 10 part of latent curing agent, 3 ~ 20 parts of paracrils, and 1 ~ 30 part high heat conduction inorganic powder and 20 ~ 50 parts of organic solvents;
B, mixing liquid epoxy resin and solid epoxy: liquid epoxies and solid epoxy two class raw materials are uniformly mixed being less than or equal at the temperature of 150 ℃;
C, add organic solvent: organic solvent gradation is added in B step mixture and evenly mixed;
D, add paracril: by joining after paracril swelling, in C step mixture, stir and cooling;
E, latent curing agent and high heat conduction inorganic powder are added in D step mixture and evenly mixed;
F, E step mixture is disperseed by ultrasonic wave, then use organic solvent adjusting viscosity, finally make tackiness agent;
Described solid epoxy is selected from a kind of in tetra-kinds of bisphenol A type epoxy resin E-20, E-12, E-05 and E-03 or by multiple mixing wherein.
2. the tackiness agent for the production of laminated bus insulating cell according to claim 1, it is characterized in that, described paracril, is selected from a kind of in four kinds of nbr carboxyl terminal, end amido paracril, end-vinyl paracril and epoxy terminated paracrils or by multiple mixing wherein.
3. the tackiness agent for the production of laminated bus insulating cell according to claim 1, it is characterized in that, described organic solvent is selected from a kind of in seven kinds of toluene, dimethylbenzene, ethyl acetate, butylacetate, acetone, methylethylketone and pimelinketone or by multiple mixing wherein.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210316094.4A CN102796479B (en) | 2012-08-31 | 2012-08-31 | Adhesive for producing laminated bus insulating pad, preparation method of adhesive and production method of insulating pad |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210316094.4A CN102796479B (en) | 2012-08-31 | 2012-08-31 | Adhesive for producing laminated bus insulating pad, preparation method of adhesive and production method of insulating pad |
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| Publication Number | Publication Date |
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| CN102796479A CN102796479A (en) | 2012-11-28 |
| CN102796479B true CN102796479B (en) | 2014-04-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103642418A (en) * | 2013-11-19 | 2014-03-19 | 常熟市长江胶带有限公司 | Flame-retardant adhesive tape |
| CN106987095B (en) * | 2017-05-16 | 2018-09-28 | 广东博汇新材料科技股份有限公司 | High transparency epoxy resin composition for prepreg and preparation method thereof |
| CN112226168A (en) * | 2020-09-14 | 2021-01-15 | 深圳日高胶带新材料有限公司 | Roller-stacked coated insulating antistatic cloth-based adhesive tape and manufacturing method thereof |
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| KR100315158B1 (en) * | 2000-08-02 | 2001-11-26 | 윤덕용 | High reliability non-conductive adhesives for non-solder flip chip bondings and flip chip bonding method using the same |
| JP2006131787A (en) * | 2004-11-08 | 2006-05-25 | Unon Giken:Kk | Stiffener and adhesive for producing stiffener |
| CN101845287B (en) * | 2010-05-10 | 2012-11-28 | 华烁科技股份有限公司 | Intermediate temperature-cured epoxy adhesive for coverlay of flexible printed circuit and preparation method thereof |
| CN102676109A (en) * | 2012-06-04 | 2012-09-19 | 华烁科技股份有限公司 | Method for preparing flexible heat conducting insulating adhesive film used in LED heat radiation substrate |
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Effective date of registration: 20200107 Address after: 436070 Gedian Economic Development Zone, Hubei, Ezhou Patentee after: Hubei Greatsea Newpower Technology Co., Ltd. Address before: 430064, Hubei, Wuhan province Hongshan District lion Street School car school Patentee before: No.712 Inst., China Ship Heavy Industry Group Co. |