CN102559001A - Solvent-free epoxy resin mass impregnating varnish and preparation method thereof - Google Patents
Solvent-free epoxy resin mass impregnating varnish and preparation method thereof Download PDFInfo
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- CN102559001A CN102559001A CN2010105778567A CN201010577856A CN102559001A CN 102559001 A CN102559001 A CN 102559001A CN 2010105778567 A CN2010105778567 A CN 2010105778567A CN 201010577856 A CN201010577856 A CN 201010577856A CN 102559001 A CN102559001 A CN 102559001A
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Abstract
The invention provides a solvent-free epoxy resin mass impregnating varnish and a preparation method thereof. The impregnating varnish comprises a component A and a component B, wherein the component A is a mixture of alicyclic epoxy resin, methyl glycidyl ether, and acetyl ketone zirconium, and the component B is a mixture of methyl nadic anhydride and methyl glycidyl ether. The impregnating varnish has the advantages of simple preparation process, good usability, and convenient usage for clients, and can meet the H-class heat resistance requirements.
Description
Technical field:
The present invention relates to a kind of solvent-free epoxy resin mass-impregnation lacquer and preparation method thereof.
Background technology:
The mass-impregnation lacquer is the indispensable insulating material of motor and electrical apparatus industry.Still have a large amount of solvent-borne type impregnating varnishes that has to be used at present by a large amount of; These are rich in the impregnating varnish product of organic easy volatile solvent; Still in application, all can give out harmful gas in transportation; And then cause disadvantageous effects such as human body skin allergy, giddy, septicemia, cancer, under mishandling situation, leading to serious environmental easily influences accident.Therefore, how to reduce the VOC gaseous volatilization, developing low-cost, high performance solvent-free mass-impregnation lacquer just become the technology and the industry focus in this field.
What motor, some producer of electrical apparatus industry used at present is the impregnating varnish of epoxy boron amide series, and its shortcoming is that the viscosity of lacquer is big, causes the flowability of lacquer poor, and dipping effect is poor, and the number of dropouts of lacquer is big.
Also have some producers to adopt H9110, H9150 impregnating varnish, this type impregnating varnish belongs to unsaturated polyester-imide modification impregnating varnish, has favorable mechanical performance, electric property, resistance toheat.Its disadvantage is: (1) in actual production process, production technique is comparatively complicated, and the production process power consumption is bigger, and preparation cost is higher; (2) hot Jie who in application, coats with lacquer decreases bigger than normal, and curing dimensional contraction rate is bigger than normal, more is to be difficult to be formed into the competitive edge of this aspect.
Summary of the invention:
The object of the present invention is to provide that a kind of production technique is simple, use properties is good, the client is easy to use, can reach solvent-free epoxy resin mass-impregnation lacquer that H level resistance toheat requires and preparation method thereof.
The present invention provides a kind of solvent-free epoxy resin mass-impregnation lacquer, and it is characterized in that: it is mixed by A component and B component and forms; Wherein the A component is a cycloaliphatic ring family epoxy resin, methyl glycidyl ether, and the mixture of acetyl ketone zirconium, the B group is the mixture of methyl carbic anhydride and methyl glycidyl ether.
According to technique scheme, solvent-free epoxy resin mass-impregnation lacquer provided by the present invention, its characteristic also is: the weight ratio of A component is 45～60%, the weight ratio of B component is 40～55%.
According to technique scheme; Solvent-free epoxy resin mass-impregnation lacquer provided by the present invention; Its characteristic also is: the weight ratio of each material is cycloaliphatic epoxy resin 40%～70%, acetyl ketone zirconium 0.04%～0.2% in the A component, methyl glycidyl ether 29.8%～59.96%; The weight ratio of each material is methyl carbic anhydride 30～80%, methyl glycidyl ether 20～70% in the B component.
Above-mentioned cycloaliphatic epoxy resin is preferably CY179 epoxy resin, CY184 epoxy resin.
The preparation method of the above-mentioned solvent-free epoxy resin mass-impregnation lacquer of the present invention, its preparation process comprises:
(1) preparation of A component: cycloaliphatic epoxy resin is added in the reaction kettle stir by weight ratio, stirring velocity is 100～150 rev/mins, is warmed up to 60～100 ℃, churning time 1～4 hour; Add methyl glycidyl ether then by weight ratio, keep 60～100 ℃ of temperature, stirred 1～4 hour; Add acetyl ketone zirconium more by weight ratio, keep 60～100 ℃ of temperature, stirred 1～4 hour; The cooling discharging promptly gets the A component;
(2) preparation of B component: with stirring in methyl carbic anhydride and the methyl glycidyl ether adding reaction kettle, be warmed up to 60～100 ℃, churning time 1～4 hour by weight ratio; The cooling discharging promptly gets the B component;
(3) A component and B component are stirred be mixed, obtain solvent-free epoxy resin mass-impregnation lacquer.
In actual production and use, generally be that A group and B group are separated packing, the purpose of doing like this be for the storage period that makes product longer, be convenient to user's storage.
Beneficial effect of the present invention comprise following some:
(1) production technique of solvent-free epoxy resin mass-impregnation lacquer provided by the present invention is simple, with short production cycle, and processing condition are gentle, and the controllability in the production process is strong.
(2) solvent-free epoxy resin mass-impregnation lacquer provided by the present invention is being used on the link, and the client is easy to use, because A component and B component are liquid form, the client as long as A, B two components are simply mixed, stirs and can use in use.
(3) solvent-free epoxy resin mass-impregnation lacquer provided by the present invention has good use properties; Its electric property, resistance toheat, mechanical property all can reach good application characteristic; Its resistance toheat can reach the requirement of H level, thereby has range of application and using value widely.
(4) solvent-free epoxy resin mass-impregnation lacquer provided by the present invention has low viscosity characteristics, can satisfy the requirement of room temperature dipping lacquer.
(5) solvent-free epoxy resin mass-impregnation lacquer provided by the present invention is in the dipping use, and the baked and cured temperature that needs is low, curing speed fast, the lacquer number of dropouts is little; Winding interior solid property is good behind the dipping lacquer, and the surface lacquer amount is full.
(6) solvent-free epoxy resin mass-impregnation lacquer provided by the present invention can satisfy the requirement that is used with domestic main low resin mica tape product.
Embodiment:
Embodiment 1:
A kind of solvent-free epoxy resin mass-impregnation lacquer, it is mixed by A component and B component and forms, and wherein the weight ratio of A, B two components is 60: 40; The A component is the mixture of CY179 epoxy resin, acetyl ketone zirconium, methyl glycidyl ether, and each substance weight ratio is respectively 50%, 0.06%, 49.94%; The B component is the mixture of methyl carbic anhydride, methyl glycidyl ether, and two kinds of substance weight ratios are 50%, 50%.
The preparation of A component: CY179 epoxy resin 30Kg is added in the reaction kettle stir by weight ratio, stirring velocity is 120 rev/mins, is warmed up to 70 ℃, churning time 2.5 hours; Add methyl glycidyl ether 29.964Kg then, keep 70 ℃ of temperature, stirred 2 hours; Add acetyl ketone zirconium 0.036Kg again, keep 70 ℃ of temperature, stirred 2 hours; The cooling discharging promptly gets the A component;
The preparation of B component: with stirring in methyl carbic anhydride 20Kg and the methyl glycidyl ether 20Kg adding reaction kettle, be warmed up to 70 ℃, churning time 3 hours by weight ratio; The cooling discharging promptly gets the B component.
According to the requirement that the client uses, can A component and B component be stirred and be mixed, obtain the solvent-free epoxy resin mass-impregnation and coat with lacquer; Also can A group and B group be separated packing, be mixed voluntarily before use by the client.
Shown in detected result in the use of this solvent-free epoxy resin mass-impregnation lacquer sees the following form:
Embodiment 2:
A kind of solvent-free epoxy resin mass-impregnation lacquer, it is mixed by A component and B component and forms, and wherein the weight ratio of A, B two components is 50: 50; The A component is the mixture of CY184 epoxy resin, acetyl ketone zirconium, methyl glycidyl ether, and each substance weight ratio is respectively 60%, 0.08%, 39.92%; The B component is the mixture of methyl carbic anhydride, methyl glycidyl ether, and two kinds of substance weight ratios are 40%, 60%.
The preparation of A component: CY184 epoxy resin 30Kg is added in the reaction kettle stir by weight ratio, stirring velocity is 120 rev/mins, is warmed up to 80 ℃, churning time 2.0 hours; Add methyl glycidyl ether 19.96Kg then, keep 80 ℃ of temperature, stirred 1.5 hours; Add acetyl ketone zirconium 0.04Kg again, keep 80 ℃ of temperature, stirred 1.5 hours; The cooling discharging promptly gets the A component;
The preparation of B component: with stirring in methyl carbic anhydride 20Kg and the methyl glycidyl ether 30Kg adding reaction kettle, be warmed up to 80 ℃, churning time 2.5 hours by weight ratio; The cooling discharging promptly gets the B component.
According to the requirement that the client uses, can A component and B component be stirred and be mixed, obtain the solvent-free epoxy resin mass-impregnation and coat with lacquer; Also can A group and B group be separated packing, be mixed voluntarily before use by the client.
Shown in detected result in the use of this solvent-free epoxy resin mass-impregnation lacquer sees the following form:
It is above-mentioned that invention is described in detail to this programme according to embodiment; It is illustrative rather than determinate; Can enumerate several embodiment according to component allocation proportion limited range,, should belong within protection scope of the present invention therefore in the variation and the modification that do not break away under the general plotting of the present invention.
Claims (5)
1. a solvent-free epoxy resin mass-impregnation coats with lacquer, and it is characterized in that: it is mixed by A component and B component and forms; Wherein the A component is a cycloaliphatic ring family epoxy resin, methyl glycidyl ether, and the mixture of acetyl ketone zirconium, the B group is the mixture of methyl carbic anhydride and methyl glycidyl ether.
2. solvent-free epoxy resin mass-impregnation lacquer according to claim 1, its characteristic also is: the weight ratio of A component is 45～60%, the weight ratio of B component is 40～55%.
3. solvent-free epoxy resin mass-impregnation lacquer according to claim 1; Its characteristic also is: the weight ratio of each material is cycloaliphatic epoxy resin 40%～70%, acetyl ketone zirconium 0.04%～0.2% in the A component, methyl glycidyl ether 29.8%～59.96%; The weight ratio of each material is methyl carbic anhydride 30～80%, methyl glycidyl ether 20～70% in the B component.
4. cycloaliphatic epoxy resin according to claim 1 is preferably CY179 epoxy resin, CY184 epoxy resin.
5. the preparation method of solvent-free epoxy resin mass-impregnation lacquer according to claim 1, its preparation process comprises:
(1) preparation of A component: cycloaliphatic epoxy resin is added in the reaction kettle stir by weight ratio, stirring velocity is 100～150 rev/mins, is warmed up to 60～100 ℃, churning time 1～4 hour; Add methyl glycidyl ether then by weight ratio, keep 60～100 ℃ of temperature, stirred 1～4 hour; Add acetyl ketone zirconium more by weight ratio, keep 60～100 ℃ of temperature, stirred 1～4 hour; The cooling discharging promptly gets the A component;
(2) preparation of B component: with stirring in methyl carbic anhydride and the methyl glycidyl ether adding reaction kettle, be warmed up to 60～100 ℃, churning time 1～4 hour by weight ratio; The cooling discharging promptly gets the B component;
(3) A component and B component are stirred be mixed, obtain solvent-free epoxy resin mass-impregnation lacquer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010105778567A CN102559001A (en) | 2010-12-08 | 2010-12-08 | Solvent-free epoxy resin mass impregnating varnish and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105778567A CN102559001A (en) | 2010-12-08 | 2010-12-08 | Solvent-free epoxy resin mass impregnating varnish and preparation method thereof |
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| CN102559001A true CN102559001A (en) | 2012-07-11 |
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| CN2010105778567A Pending CN102559001A (en) | 2010-12-08 | 2010-12-08 | Solvent-free epoxy resin mass impregnating varnish and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104263200A (en) * | 2014-10-09 | 2015-01-07 | 六安市微特电机有限责任公司 | Non-solvent impregnating insulating paint and preparing method thereof |
| CN105038492A (en) * | 2015-06-16 | 2015-11-11 | 湘潭瑞鑫电气科技有限责任公司 | Special solventless epoxy mass-impregnating varnish used for amorphous alloys and preparation method thereof |
| CN107057520A (en) * | 2017-02-15 | 2017-08-18 | 盘锦群益管道防腐有限公司 | A kind of preparation method of high-temperaure coating |
| CN112908538A (en) * | 2021-02-04 | 2021-06-04 | 湖南至和电缆科技有限公司 | High-temperature-resistant fireproof cable and preparation method thereof |
| CN113773725A (en) * | 2021-10-22 | 2021-12-10 | 江苏泰特尔新材料科技股份有限公司 | Epoxy resin composition for insulating impregnating varnish and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1865314A (en) * | 2006-06-22 | 2006-11-22 | 上海交通大学 | Preparation method of vacuum pressurized impregnating epoxy resin |
| CN101289593A (en) * | 2008-05-08 | 2008-10-22 | 金坛市华荣绝缘材料厂 | Epoxy solvent-free integral dip varnish and method for preparing same |
-
2010
- 2010-12-08 CN CN2010105778567A patent/CN102559001A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1865314A (en) * | 2006-06-22 | 2006-11-22 | 上海交通大学 | Preparation method of vacuum pressurized impregnating epoxy resin |
| CN101289593A (en) * | 2008-05-08 | 2008-10-22 | 金坛市华荣绝缘材料厂 | Epoxy solvent-free integral dip varnish and method for preparing same |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104263200A (en) * | 2014-10-09 | 2015-01-07 | 六安市微特电机有限责任公司 | Non-solvent impregnating insulating paint and preparing method thereof |
| CN105038492A (en) * | 2015-06-16 | 2015-11-11 | 湘潭瑞鑫电气科技有限责任公司 | Special solventless epoxy mass-impregnating varnish used for amorphous alloys and preparation method thereof |
| CN107057520A (en) * | 2017-02-15 | 2017-08-18 | 盘锦群益管道防腐有限公司 | A kind of preparation method of high-temperaure coating |
| CN112908538A (en) * | 2021-02-04 | 2021-06-04 | 湖南至和电缆科技有限公司 | High-temperature-resistant fireproof cable and preparation method thereof |
| CN113773725A (en) * | 2021-10-22 | 2021-12-10 | 江苏泰特尔新材料科技股份有限公司 | Epoxy resin composition for insulating impregnating varnish and preparation method and application thereof |
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Address after: 213231 Jintan City, Jiangsu province head Industrial Park Applicant after: Jintan Huarong Insulating Material Co., Ltd. Address before: 213231 Jintan City, Jiangsu province head Industrial Park Applicant before: Jintan Huarong Insulating Material Factory |
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Application publication date: 20120711 |