CN101368075B - Electrical insulation compound adhesive for high voltage electrical apparatus - Google Patents

Electrical insulation compound adhesive for high voltage electrical apparatus Download PDF

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Publication number
CN101368075B
CN101368075B CN2008100461479A CN200810046147A CN101368075B CN 101368075 B CN101368075 B CN 101368075B CN 2008100461479 A CN2008100461479 A CN 2008100461479A CN 200810046147 A CN200810046147 A CN 200810046147A CN 101368075 B CN101368075 B CN 101368075B
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voltage electrical
zinc
electrical apparatus
high voltage
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CN101368075A (en
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梁健
徐伟
何旭东
王瑗
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Sichuan Electric Power Co Ltd
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Electric Power Research Institute of State Grid Sichuan Electric Power Co Ltd
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Abstract

The invention provides a high-voltage electrical apparatus insulated adhesive, which comprises the following components by weight portion: 150 to 160 portions of bakelite, 30 to 40 portions of epoxide resin, 10 to 12 portions of methenamine, 100 to 110 portions of nitrile latex, 5 to 8 portions of 2-mercaptobenzothiazole zinc salt, 2 to 4 portions of accelerant PX, 2 to 4 portions of zinc naphthenate, 30 to 35 portions of colophony, 200 to 220 portions of benzene, 100 to 120 portions of acetone, 20 to 22 portions of toluene diisocyanate, and 50 to 80 portions of mica powder. The high-voltage electrical apparatus insulated adhesive has excellent bonding properties, ageing resistance and chemical mediator resistance as well as excellent insulating properties, which is applicable for bonding metal units, and in particular applicable for manufacturing of high-voltage electrical apparatuses and equipment.

Description

Electrical insulation compound adhesive for high voltage electrical apparatus
Technical field
The present invention relates to tackiness agent, the thermosetting adhesive of, good heat resistance bonding, good insulating especially for High-Voltage Electrical Appliances.
Background technology
Phenol formaldehyde tackifier is the tackiness agent with resol (adopting phenol and formaldehyde reaction to make) main component.Because it can form thermoplastic resin or thermosetting resin reaction conditions difference (containing the auxiliary agent difference).Modified phenolic adhesive has cost lower (being lower than epoxy adhesive), resistance toheat characteristics preferably, but has brittle shortcoming.And for high-voltage electrical equipment, its operating ambient temperature height, severe corrosive, insulation level requires high.The performance index of existing modified phenolic adhesive still can not satisfy above-mentioned requirements, exist bonding strength, toughness and ageing-resistant performance aspect to remain the problem that further improves for bonding between the metal not of the same race, between metal and the plastics.
Summary of the invention
The purpose of this invention is to provide a kind of electrical insulation compound adhesive for high voltage electrical apparatus, be intended to the resistance toheat strengthening its toughness, bond strength and ageing-resistant performance and further improve tackiness agent, can be applicable to that especially various High-Voltage Electrical Appliances are bonding.
The object of the present invention is achieved like this: a kind of electrical insulation compound adhesive for high voltage electrical apparatus, form by weight by following component:
Resol 150~160, Resins, epoxy 30~40, hexamethylenetetramine 10~12, nitrile rubber 100~110, zinc 2-mercaptobenzothiazole salt 5~8, promotor PX 2~4, zinc naphthenate 2~4, rosin 30~35, benzene 200~220, acetone 100~120, tolylene diisocyanate 20~22, mica powder 50~80.
Has the better heat-resisting performance at existing phenol aldehyde adhesive, but there is weakness more crisp, loss of properties on aging, the present invention adopts resol (to react under an acidic catalyst condition with xylenol and formaldehyde, xylenol mol consumption surpasses the mol consumption of formaldehyde), mixes with Resins, epoxy (adding Resins, epoxy), add hexamethylenetetramine (be urotropine, as solidifying agent) again and the generation heat-reactive phenolic resin to improve thermotolerance and the insulating property and the snappiness of tackiness agent; Simultaneously, add rosin (contain the unsaturated compound of sylvic acid and abietic anhydride, activity is bigger), to improve its adhesiveproperties; Zinc 2-mercaptobenzothiazole salt (C 14H 8N 2S 4Z nBe dissolved in organic solvents such as acetone, benzene), promotor PX (N, N '-diethyl phenylbenzene zinc dithiocarbamate, C 18H 20N 2S 4Z n) be tackifier, add in the latex and play anti-aging effect, can improve the adhesiveproperties of tackiness agent metal greatly, zinc naphthenate (Zinc naphthenate) can prevent the oxidation corrosion of metal parts effectively mainly as the rust inhibitor of metal products.Mica powder 300 orders are preferably selected white mica or phlogopite for use, can further improve resistance toheat, acid-proof alkaline and the electrical apparatus insulation performance of modified phenolic adhesive).
The performance index of tackiness agent of the present invention are as follows after tested:
1, the bonding strength of metal (aluminium alloy) under the differing temps
Temperature (℃)-30 20 100 150 200
Shearing resistance (MPa) 〉=20 〉=30 〉=12 〉=10 〉=8
2, to the bonding stripping strength 70~80KN/M of aluminium alloy;
3, heat aging performance: 200 ℃, shearing resistance is 8~10Mpa (MPa) after 400 hours.
4, chemical mediator-resitant property: soaked 1 month in gasoline, ethanol, lubricating oil, seawater, performance is constant.
This tackiness agent be widely used between the different metal or metal and plastics between bonding, be specially adapted to the bonding making of the electrical equipment of 100~150 ℃ of working temperatures, insulation level F level.
Embodiment
This tackiness agent (together following) by weight is composed as follows: resol 150~160, Resins, epoxy 30~40, hexamethylenetetramine 10~12, nitrile rubber 100~110, zinc 2-mercaptobenzothiazole salt 5~8, promotor PX 2~4, zinc naphthenate 2~4, rosin 30~35, benzene 200~220, acetone 100~120, tolylene diisocyanate 20~22, mica powder 50~80.
Embodiment 1:
The electrical insulation compound adhesive for high voltage electrical apparatus component is composed as follows:
Resol 150, Resins, epoxy 35, hexamethylenetetramine 10, nitrile rubber 100, zinc 2-mercaptobenzothiazole salt 6, promotor PX 3, zinc naphthenate 3, rosin 30, benzene 200, acetone 100, tolylene diisocyanate 20, mica powder 60.
Embodiment 2:
The electrical insulation compound adhesive for high voltage electrical apparatus component is composed as follows:
Resol 160, Resins, epoxy 40, hexamethylenetetramine 12, nitrile rubber 110, zinc 2-mercaptobenzothiazole salt 6, promotor PX 3, zinc naphthenate 3, rosin 30, benzene 200, acetone 100, tolylene diisocyanate 20, mica powder 60.
Embodiment 3:
The electrical insulation compound adhesive for high voltage electrical apparatus component is composed as follows:
Resol 160, Resins, epoxy 30, hexamethylenetetramine 12, nitrile rubber 110, zinc 2-mercaptobenzothiazole salt 8, promotor PX 4, zinc naphthenate 4, rosin 35, benzene 220, acetone 120, tolylene diisocyanate 22, mica powder 80.
Embodiment 4:
The electrical insulation compound adhesive for high voltage electrical apparatus component is composed as follows:
Resol 150, Resins, epoxy 38, hexamethylenetetramine 10, nitrile rubber 100, zinc 2-mercaptobenzothiazole salt 6, promotor PX 3, zinc naphthenate 3, rosin 30, benzene 200, acetone 100, tolylene diisocyanate 20, mica powder 60.
Embodiment 5:
The electrical insulation compound adhesive for high voltage electrical apparatus component is composed as follows:
Resol 160, Resins, epoxy 34, hexamethylenetetramine 12, nitrile rubber 110, zinc 2-mercaptobenzothiazole salt 6, promotor PX 3, zinc naphthenate 3, rosin 30, benzene 200, acetone 100, tolylene diisocyanate 20, mica powder 60.
Embodiment 6:
The electrical insulation compound adhesive for high voltage electrical apparatus component is composed as follows:
Resol 160, Resins, epoxy 32, hexamethylenetetramine 12, nitrile rubber 110, zinc 2-mercaptobenzothiazole salt 8, promotor PX 4, zinc naphthenate 4, rosin 35, benzene 220, acetone 120, tolylene diisocyanate 22, mica powder 80.
In the said components, nitrile rubber (acrylonitrile content 25~35%) is for being 30% in acrylonitrile content, with the oil-proofness (the high corresponding oil-proofness of acrylonitrile content is better) that improves tackiness agent.
All can not adopt epoxy resin ingredient (preparation method does not change) in the foregoing description 1~6 prescription, the corresponding reduction about 5~10% of the shearing resistance of its corresponding tackiness agent, simultaneously, material cost decreases.The all available butadiene latex of nitrile rubber in the foregoing description 1~6 prescription replaces (preparation method does not change).
Compound method:
1, resol (pressed powder), Resins, epoxy (general name that contains the resin of epoxide group, mainly by epoxy chloropropane and Polyphenols as, polycondensations such as dihydroxyphenyl propane form.The high-molecular weight pressed powder), colophonium powder (fineness 100 orders), mica powder, urotropine (white crystalline powder) join in the mixed solvent of benzene and acetone, mix stand-by, as the A component;
2, zinc 2-mercaptobenzothiazole salt (Zinc2-mercaptobenzothiazole), promotor PX and tolylene diisocyanate (liquid) are joined in the nitrile rubber as the B component;
3, above-mentioned A, B component are added mixing together one-tenth glue.
Using method: after applying glue is bonding, solidifying pressure 0.1~0.2Mpa, 20 ℃ of solidification values, 24 hours set times.
High-Voltage Electrical Appliances such as high-power transformer are in the welding machine application scenario, because the working temperature height, heat dissipation problem is a major issue.Tackiness agent of the present invention can be suitable for the manufacturing of this class high-power transformer.
The present invention is widely used between the metal, bonding between metal and the plastics, is specially adapted to high-voltage electrical equipment, as the making of equipment such as high-tension transformer, primary cut-out, high-tension current transmitter, voltage disconnect.

Claims (4)

1. electrical insulation compound adhesive for high voltage electrical apparatus is characterized in that: be made up of by weight following component:
Resol 150~160, Resins, epoxy 30~40, hexamethylenetetramine 10~12, nitrile rubber 100~110, zinc 2-mercaptobenzothiazole salt 5~8, promotor PX 2~4, zinc naphthenate 2~4, rosin 30~35, benzene 200~220, acetone 100~120, tolylene diisocyanate 20~22, mica powder 50~80.
2. according to the described electrical insulation compound adhesive for high voltage electrical apparatus of claim 1, it is characterized in that: described component is composed as follows:
Resol 150, Resins, epoxy 35, hexamethylenetetramine 10, nitrile rubber 100, zinc 2-mercaptobenzothiazole salt 6, promotor PX 3, zinc naphthenate 3, rosin 30, benzene 200, acetone 100, tolylene diisocyanate 20, mica powder 60.
3. according to the described electrical insulation compound adhesive for high voltage electrical apparatus of claim 1, it is characterized in that: described component is composed as follows:
Resol 160, Resins, epoxy 30, hexamethylenetetramine 12, nitrile rubber 110, zinc 2-mercaptobenzothiazole salt 8, promotor PX 4, zinc naphthenate 4, rosin 35, benzene 220, acetone 120, tolylene diisocyanate 22, mica powder 80.
4. according to the described electrical insulation compound adhesive for high voltage electrical apparatus of claim 1, it is characterized in that: described component is composed as follows:
Resol 150, Resins, epoxy 38, hexamethylenetetramine 10, nitrile rubber 100, zinc 2-mercaptobenzothiazole salt 6, promotor PX 3, zinc naphthenate 3, rosin 30, benzene 200, acetone 100, tolylene diisocyanate 20, mica powder 60.
CN2008100461479A 2008-09-24 2008-09-24 Electrical insulation compound adhesive for high voltage electrical apparatus Active CN101368075B (en)

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CN101368075B true CN101368075B (en) 2011-12-28

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CN107011839B (en) * 2016-01-28 2020-09-15 北京保利世达科技有限公司 Liquid wax and preparation method thereof
CN106543943A (en) * 2016-10-28 2017-03-29 无锡市永兴金属软管有限公司 A kind of conducting metal ripple pipe binder being modified based on trivalent chromic ion and preparation method thereof
TWI621675B (en) * 2016-12-21 2018-04-21 Adhesive composition, treated fabric and composite laminate
CN107227133A (en) * 2017-06-01 2017-10-03 合肥尚强电气科技有限公司 A kind of High-Voltage Electrical Appliances Heat Conductive Insulation Adhesive and preparation method thereof
CN108641643A (en) * 2018-04-28 2018-10-12 安徽富煌门窗幕墙有限公司 A kind of impervious aluminium alloy adhesive of anticorrosion and preparation method thereof
CN109181626A (en) * 2018-09-28 2019-01-11 黄旭东 A kind of cell sealant
CN110510624A (en) * 2019-08-30 2019-11-29 徐州金亚粉体有限责任公司 A kind of high temperature resistant mica powder manufacturing process
CN111763489A (en) * 2020-05-29 2020-10-13 安徽老石人石业有限公司 High-strength adhesive for compounding natural granite marble and various artificial materials
CN114196358A (en) * 2021-12-24 2022-03-18 山东工业陶瓷研究设计院有限公司 Epoxy resin binder and preparation method and application thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3451537A (en) * 1966-02-28 1969-06-24 Minnesota Mining & Mfg Pressure-sensitive adhesive tape
CN1170748A (en) * 1996-07-12 1998-01-21 王蒲剑 High-grade heat-resistant and fire-retardant resin glue for encapsulation and impregnation
CN1322789A (en) * 2001-05-16 2001-11-21 北京建筑工程学院 Organic adhesive

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3451537A (en) * 1966-02-28 1969-06-24 Minnesota Mining & Mfg Pressure-sensitive adhesive tape
CN1170748A (en) * 1996-07-12 1998-01-21 王蒲剑 High-grade heat-resistant and fire-retardant resin glue for encapsulation and impregnation
CN1322789A (en) * 2001-05-16 2001-11-21 北京建筑工程学院 Organic adhesive

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Address after: Tsing Hua Road Qingyang District of Chengdu City, Sichuan Province, No. 24 610071

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Address before: Tsing Hua Road Qingyang District of Chengdu City, Sichuan Province, No. 24 610071

Patentee before: Sichuan Electric power Research Institute