CN103122200A - Expoxy self-adhesion paint with heat dissipation function and preparation method thereof - Google Patents
Expoxy self-adhesion paint with heat dissipation function and preparation method thereof Download PDFInfo
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- CN103122200A CN103122200A CN2013100724687A CN201310072468A CN103122200A CN 103122200 A CN103122200 A CN 103122200A CN 2013100724687 A CN2013100724687 A CN 2013100724687A CN 201310072468 A CN201310072468 A CN 201310072468A CN 103122200 A CN103122200 A CN 103122200A
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Abstract
The invention discloses expoxy self-adhesion paint with heat dissipation function and a preparation method thereof. The expoxy self-adhesion paint comprises the following components in parts by weight: 4.0-6.0 parts of cresol, 3.0-5.0 parts of xylene, 0.2-0.6 of heat conductive composite powder and 113-127 parts of epoxy self-adhesion paint finished product, wherein the epoxy self-adhesion paint finished product is prepared by a method with Patent No. ZL201010214269.1, and the heat conductive composite powder is formed by mixing nitriding aluminium powder, nitriding silicon powder and nitriding boron powder weight ratios of which are the same. The preparation method comprises the following steps of: adding a certain mount of easily-dispersed high thermal conductive insulated material on the basis of the method with Patent No. ZL201010214269.1, and adopting a matching technology to finally produce a novel insulated self-adhesion material which has heat dissipation property and good storage stability and simultaneously meets the standard requirements of related transposed conductors and special electromagnetic wires. The insulated self-adhesion material endows winding coils with the self-heat dissipation function in a using process and effectively reduces the temperature rise of conductors/windings, thus prolonging the service life of coil windings.
Description
Technical field
The present invention relates to a kind of epoxy self-bonding paint for transposed conductor and Special electromagnetic wire coating and prepare and preparation method thereof, especially a kind of epoxy self-bonding paint that possesses heat sinking function and preparation method thereof.
Background technology
The self-binding enamel wire paint can improve as a kind of the outer coating material of functional high-polymer that has the energy-saving and environmental protection feature when electrician's wire uses effect concurrently, just is being widely used in the manufacturing (such as power transmission and transformation equipment winding, power tool coil, electromagnetic stove coil etc.) of various electric winding wire rods.
General autohension paint (such as patent ZL2010.1.0214269.1) is through solidifying postadhesion in conductive surface, by thermal resistance (energising or heating), make the self-adhesive layer material evenly fill up space between the winding wire conductor, form again fine and close glue line after drying (curing), realize bond effect, the glue-line that plays cohesive action is actually various organic polymer syntheticss, does not have heat conduction/heat sinking function.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of epoxy self-bonding paint that possesses heat sinking function.
The present invention also provides a kind of preparation method of this epoxy self-bonding paint.
Technical scheme: for solving the problems of the technologies described above, a kind of epoxy self-bonding paint that possesses heat sinking function provided by the invention, it is characterized in that: moiety is as follows by weight: 100～130 parts, 4.0～6.0 parts, cresols, 3.0～5.0 parts of dimethylbenzene, 0.2～0.6 heat conduction composite powder, epoxy self-bonding paint finished product; Described epoxy self-bonding paint finished product is to be prepared by the method described in patent No. ZL201010214269.1; Described heat conduction composite powder is comprised of aluminum nitride powder, silicon nitride powder and the boron nitride powder mixing of identical weight ratio.
Preferably, the granularity of described heat conduction composite powder≤30 μ m.
The preparation method who possesses the epoxy self-bonding paint of heat sinking function provided by the invention, its step comprises as follows:
(1) by weight, take 4.0～6.0 parts, cresols, 3.0～5.0 parts of dimethylbenzene, drop in high speed dispersor, open and stir, add again 0.2～0.6 part by aluminium nitride, silicon nitride, the heat conduction composite powder that silicon oxide forms in proportion, add again 6.5%～7.0% the dispersion agent that is equivalent to heat conduction composite powder weight, be heated to 50～55 ℃, through high speed dispersion 0.8～1.2h, add again 18～27 parts of the epoxy self-bonding paints made by patent ZL201010214269.1 method, be heated to 55～60 ℃, through high speed dispersion 1.2～1.8h, disperse to make work in-process rubber master batch liquid,
(2) by weight, take by 95～100 parts of epoxy self-bonding paint (admittedly containing 18 ± 0.5%) finished products of patent ZL2010.1.0214269.1 preparation method preparation, drop into reactor and be heated with stirring to 55～60 ℃;
(3) will progressively join by the work in-process rubber master batch liquid that step (1) makes in the epoxy self-bonding paint of step (2) production, 1.5～2h is fully stirred in insulation under 50～60 ℃;
(4) finished product by step (3) preparation adopts 〉=250 purpose filtering nets, makes after filtration product.
Preferably, the granularity of described step (1) heat conduction composite powder≤30 μ m.
In the present invention, owing to having adopted nano level nitride thermally conductive material, particle diameter≤30 μ m, high surface, cooperation is with dispersion agent, polar solvent, and therefore the high speed dispersion operation has guaranteed good homogeneous dispersion and the package stability of the finished product, by adding the Novel heat-conducting nano material, significantly improved the heat conduction of epoxy self-bonding paint after film forming is solidified/coil radiating effect.
After tested, thermal diffusivity epoxy self-bonding paint prepared according to the methods of the invention, the product physical and chemical parameter has reached following index:
Learnt by testing data, self-adhesion that the present invention makes paint is after overcuring, and the test heat conductivility is 0.21W/mk by the paint film thermal conductivity of the epoxy self-bonding paint of non-modified, rises to 1.5～3.20W/mk, has significantly improved the heat conduction/heat sinking function of paint film.
Beneficial effect: of the present invention on patent ZL2010.1.0214269.1 basis, in the process of synthetic autohension epoxy-based lacquers, by adding a certain amount of high heat conductive insulating material that is easy to disperse, and employing process matched therewith, final production goes out to have heat dissipation characteristics (paint base solidify after), stability in storage is good and satisfy simultaneously the New insulated self adhesive material of be correlated with transposed conductor and Special electromagnetic wire standard-required, give in use (energising) self heat dissipation function of winding coil, effectively reduce the temperature rise of wire/winding, thereby improve the working life of coil winding.
Embodiment
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1:
A kind of epoxy self-bonding paint that possesses heat sinking function, moiety is as follows by weight: 113 parts, 4.0 parts, cresols, 5.0 parts, 0.2 part heat conduction composite powder of dimethylbenzene, epoxy self-bonding paint finished product; Described epoxy self-bonding paint finished product is to be prepared by the method described in patent No. ZL201010214269.1; Described heat conduction composite powder is comprised of aluminum nitride powder, silicon nitride powder and the boron nitride powder mixing of identical weight ratio; The granularity of described heat conduction composite powder≤30 μ m.
The described preparation method who possesses the epoxy self-bonding paint of heat sinking function, its step comprises as follows:
(1) by weight, take 4.0 parts, cresols, 5.0 parts of dimethylbenzene, drop in the heatable high speed dispersor of cover-type, open and stir, add 0.2 part of the heat conduction composite nano powder that aluminium nitride/silicon nitride/boron nitride forms in proportion, add again 0.0138 part of modest dispersion agent 983 of moral, be heated to 50～55 ℃,, through 2500rp/min high speed dispersion 0.8h, add again 18 parts of the epoxy self-bonding paints made by patent ZL2010.1.0214269.1 method, be heated to 55～60 ℃, through 2500rp/min high speed dispersion 1.2h, disperse to make work in-process rubber master batch liquid;
(2) by weight, take by 95 parts of epoxy self-bonding paint (17.5% solids content) finished products of patent ZL2010.1.0214269.1 preparation method preparation, drop into reactor and be heated with stirring to 55 ℃;
(3) will progressively join by the work in-process rubber master batch liquid that step (1) makes in the epoxy self-bonding paint of step (2) production, 1.5h is fully stirred in insulation under 50 ℃;
(4) finished product by step (3) preparation adopts 〉=250 purpose filtering nets, makes after filtration product.
Embodiment 2:
A kind of epoxy self-bonding paint that possesses heat sinking function, moiety is as follows by weight: 120 parts, 5.0 parts, cresols, 4.0 parts, 0.4 part heat conduction composite powder of dimethylbenzene, epoxy self-bonding paint finished product; Described epoxy self-bonding paint finished product is to be prepared by the method described in patent No. ZL201010214269.1; Described heat conduction composite powder is comprised of aluminum nitride powder, silicon nitride powder and the boron nitride powder mixing of identical weight ratio; The granularity of described heat conduction composite powder≤30 μ m.
The described preparation method who possesses the epoxy self-bonding paint of heat sinking function, its step comprises as follows:
(1) by weight, take 5.0 parts, cresols, 4.0 parts of dimethylbenzene, drop in the heatable high speed dispersor of cover-type, open and stir, add 0.4 part of the heat conduction composite nano powder that aluminium nitride/silicon nitride/boron nitride forms in proportion, add again 0.028 part of dispersion agent, be heated to 50～55 ℃, through 2500rp/min high speed dispersion 1h, then add 23 parts of the epoxy self-bonding paints made by patent ZL2010.1.0214269.1 method, be heated to 55～60 ℃, through 2500rp/min high speed dispersion 1.5h, disperse to make work in-process rubber master batch liquid;
(2) by weight, take by 97 parts of epoxy self-bonding paint (18% solids content) finished products of patent ZL201010214269.1 preparation method preparation, drop into reactor and be heated with stirring to 60 ℃;
(3) will progressively join by the work in-process rubber master batch liquid that step (1) makes in the epoxy self-bonding paint of step (2) production, 1.8h is fully stirred in insulation under 55 ℃;
(4) finished product by step (3) preparation adopts 〉=250 purpose filtering nets, makes after filtration product.
Embodiment 3:
A kind of epoxy self-bonding paint that possesses heat sinking function, moiety is as follows by weight: 127 parts, 6.0 parts, cresols, 3.0 parts, 0.6 part heat conduction composite powder of dimethylbenzene, epoxy self-bonding paint finished product; Described epoxy self-bonding paint finished product is to be prepared by the method described in patent No. ZL201010214269.1; Described heat conduction composite powder is comprised of aluminum nitride powder, silicon nitride powder and the boron nitride powder mixing of identical weight ratio; The granularity of described heat conduction composite powder≤30 μ m.
The described preparation method who possesses the epoxy self-bonding paint of heat sinking function, its step comprises as follows:
(1) by weight, take 6.0 parts, cresols, 3.0 parts of dimethylbenzene, drop in the heatable high speed dispersor of cover-type, open and stir, add 0.6 part of the heat conduction composite nano powder that aluminium nitride/silicon nitride/boron nitride forms in proportion, add again 0.039 part of modest dispersion agent 983 of moral, be heated to 50～55 ℃, through 2500rp/min high speed dispersion 1.2h, then add 27 parts of the epoxy self-bonding paints made by patent ZL201010214269.1 method, be heated to 55～60 ℃, through 2500rp/min high speed dispersion 1.8h, disperse to make work in-process rubber master batch liquid;
(2) by weight, take by 100 parts of epoxy self-bonding paint (18.5% solids content) finished products of patent ZL201010214269.1 preparation method preparation, drop into reactor and be heated with stirring to 60 ℃;
(3) will progressively join by the work in-process rubber master batch liquid that step (1) makes in the epoxy self-bonding paint of step (2) production, 2h is fully stirred in insulation under 60 ℃;
(4) finished product by step (3) preparation adopts 〉=250 purpose filtering nets, makes after filtration product.
Comparative Examples 1:
In the reactor with stirring, heating unit, add the self-adhesion paint (180 ℃/1g/1h of 18% solids content by the preparation of patent (ZL201010214269.1) method, 30 ℃ of 800～1000mpa.s rotational viscosimeters) 100kg, open and stir, and be heated to 55～60 ℃, then add nano powder 0.54kg, insulated and stirred 2h makes finished product finally by filtering (250 mesh filter screen).
Comparative Examples 2:
The pure self-adhesion that makes by patent (ZL201010214269.1) method paints (180 ℃/1g/1h of 18% solids content, 30 ℃ of 800～1000mpa.s rotational viscosimeters) 100Kg opens and stirs, and is heated to 55～60 ℃, insulated and stirred 2h makes finished product finally by filtering (250 mesh filter screen).
Above-described embodiment with the epoxy self-bonding paint properties indication of comparing routine gained is seen Table 1.
Table 1
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. epoxy self-bonding paint that possesses heat sinking function, it is characterized in that: moiety is as follows by weight: 113～127 parts, 4.0～6.0 parts, cresols, 3.0～5.0 parts of dimethylbenzene, 0.2～0.6 heat conduction composite powder, epoxy self-bonding paint finished product; Described epoxy self-bonding paint finished product is to be prepared by the method described in patent No. ZL201010214269.1; Described heat conduction composite powder is comprised of aluminum nitride powder, silicon nitride powder and the boron nitride powder mixing of identical weight ratio.
2. a kind of epoxy self-bonding paint that possesses heat sinking function according to claim 1, is characterized in that: the granularity of described heat conduction composite powder≤30 μ m.
3. preparation method who possesses the epoxy self-bonding paint of heat sinking function claimed in claim 1, it is characterized in that: its step comprises as follows:
(1) by weight, take 4.0～6.0 parts, cresols, 3.0～5.0 parts of dimethylbenzene, drop in high speed dispersor, open and stir, add again 0.2～0.6 part by aluminium nitride, silicon nitride, the heat conduction composite powder that silicon oxide forms in proportion, add again 6.5%～7.0% the dispersion agent that is equivalent to heat conduction composite powder weight, be heated to 50～55 ℃, through high speed dispersion 0.8～1.2h, add again 18～27 parts of the epoxy self-bonding paints made by patent ZL201010214269.1 method, be heated to 55～60 ℃, through high speed dispersion 1.2～1.8h, disperse to make work in-process rubber master batch liquid,
(2) by weight, take by 95～100 parts of the epoxy self-bonding paint finished products of patent ZL201010214269.1 preparation method preparation, drop into reactor and be heated with stirring to 55～60 ℃;
(3) will progressively join by the work in-process rubber master batch liquid that step (1) makes in the epoxy self-bonding paint of step (2) production, 1.5～2h is fully stirred in insulation under 50～60 ℃;
(4) finished product by step (3) preparation adopts 〉=250 purpose filtering nets, makes after filtration product.
4. the preparation method of the epoxy self-bonding paint that possesses heat sinking function described according to claim 3, is characterized in that: the granularity of described step (1) heat conduction composite powder≤30 μ m.
5. the preparation method of the epoxy self-bonding paint that possesses heat sinking function described according to claim 3, it is characterized in that: in the epoxy self-bonding paint finished product in described step (2), solid weight content is 18 ± 0.5%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310072468.7A CN103122200B (en) | 2013-03-06 | 2013-03-06 | A kind of epoxy self-bonding paint possessing heat sinking function and preparation method thereof |
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| CN201310072468.7A CN103122200B (en) | 2013-03-06 | 2013-03-06 | A kind of epoxy self-bonding paint possessing heat sinking function and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351786A (en) * | 2013-06-19 | 2013-10-16 | 天长市驰程电子科技有限公司 | Composite heat dissipation coating composition and preparation method thereof |
| CN103725177A (en) * | 2013-11-25 | 2014-04-16 | 铜陵天河特种电磁线有限公司 | Modified aluminum nitride wire enamel and preparation method thereof |
| CN103725147A (en) * | 2013-11-25 | 2014-04-16 | 铜陵天河特种电磁线有限公司 | Aluminum wire enamel and preparation method thereof |
| CN104610864A (en) * | 2015-01-13 | 2015-05-13 | 航天材料及工艺研究所 | Preparation method of insulating high-thermal radiation coating suitable for various base materials |
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| CN101857764A (en) * | 2010-06-30 | 2010-10-13 | 溧阳市佳禾电子材料有限公司 | Moisture resistant oilproof electromagnetic wire epoxy self-bonding paint |
| CN101891994A (en) * | 2010-06-30 | 2010-11-24 | 溧阳市佳禾电子材料有限公司 | Preparation method of heat resistant acetal wire enamel |
| CN102181212A (en) * | 2011-01-28 | 2011-09-14 | 谢金庚 | Radiating material and preparation method of radiating material |
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2013
- 2013-03-06 CN CN201310072468.7A patent/CN103122200B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101857764A (en) * | 2010-06-30 | 2010-10-13 | 溧阳市佳禾电子材料有限公司 | Moisture resistant oilproof electromagnetic wire epoxy self-bonding paint |
| CN101891994A (en) * | 2010-06-30 | 2010-11-24 | 溧阳市佳禾电子材料有限公司 | Preparation method of heat resistant acetal wire enamel |
| CN102181212A (en) * | 2011-01-28 | 2011-09-14 | 谢金庚 | Radiating material and preparation method of radiating material |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351786A (en) * | 2013-06-19 | 2013-10-16 | 天长市驰程电子科技有限公司 | Composite heat dissipation coating composition and preparation method thereof |
| CN103725177A (en) * | 2013-11-25 | 2014-04-16 | 铜陵天河特种电磁线有限公司 | Modified aluminum nitride wire enamel and preparation method thereof |
| CN103725147A (en) * | 2013-11-25 | 2014-04-16 | 铜陵天河特种电磁线有限公司 | Aluminum wire enamel and preparation method thereof |
| CN104610864A (en) * | 2015-01-13 | 2015-05-13 | 航天材料及工艺研究所 | Preparation method of insulating high-thermal radiation coating suitable for various base materials |
| CN104610864B (en) * | 2015-01-13 | 2018-03-09 | 航天材料及工艺研究所 | A kind of preparation method of the high heat loss through radiation coating of insulation suitable for a variety of base materials |
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| CN103122200B (en) | 2015-12-23 |
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Address after: No. 2 Junrong Road, Daitou Industrial Park, Liyang, Changzhou City, Jiangsu Province, 213311 Patentee after: Jiangsu Jiahe Electronic Materials Co.,Ltd. Address before: No. 2 Junrong Road, Daitou Industrial Park, Liyang, Changzhou City, Jiangsu Province, 213311 Patentee before: LIYANG JIAHE ELECTRONIC MATERIAL Co.,Ltd. |