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CN102643603A - High-temperature-resistance insulation liquid coating and coating method thereof - Google Patents

High-temperature-resistance insulation liquid coating and coating method thereof Download PDF

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Publication number
CN102643603A
CN102643603A CN2012101417145A CN201210141714A CN102643603A CN 102643603 A CN102643603 A CN 102643603A CN 2012101417145 A CN2012101417145 A CN 2012101417145A CN 201210141714 A CN201210141714 A CN 201210141714A CN 102643603 A CN102643603 A CN 102643603A
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China
Prior art keywords
coating
temperature
thinner
insulating resin
liquid coating
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Application number
CN2012101417145A
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CN102643603B (en
Inventor
阚向阳
徐通
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SHENZHEN GLIAN CHEMICAL CO Ltd
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SHENZHEN GLIAN CHEMICAL CO Ltd
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Priority to CN201210141714.5A priority Critical patent/CN102643603B/en
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Abstract

The invention relates to a high-temperature-resistance insulation liquid coating and a coating method thereof. The high-temperature-resistance insulation liquid coating is composed of insulating resins, diluents and fillers, wherein the insulating resins and the diluents are evenly mixed according to viscosity of 2cp-6cp, and the coating method includes the following steps of: surface processing on products needing to be coated, coating product preheating, coating preparing, rotary coating, fake burning, truth burning, detection and the like. The high-temperature-resistance insulation liquid coating simultaneously has high temperature resistance and insulating effects, and surface of products coated with the coating can be well protected. Compared with the existing coating process, the coating process can greatly save time for manually placing components one by one, reduces investment cost of electro-coating devices and greatly improves production efficiency. 15 persons are required for coating 200 thousands of components in one day in the existing coating process, but only 2 persons are required for coating the same components of 45 thousands by using the high-temperature-resistance insulation liquid coating and the coating method thereof.

Description

A kind of high-temperature insulation liquid coating and spraying method thereof
 
Technical field
The present invention relates to a kind of technical field of coatings, be specifically related to a kind of high-temperature insulation liquid coating and spraying method thereof.
 
Background technology
Coating is meant the material of coating the forming film under certain condition of body surface and playing the one-tenth liquid or solid of protection, decoration or other functions (like insulation, waterproof, antirust, mildew-resistant, heat-resisting etc.), generally is used to build, furniture, electrical equipment, multiplexer spare etc. and other relevant fields.The effect of coating mainly is to protect, decorative product and the defective of covering up product.
Coating of a great variety; Press the property classification of coating, can be divided into: waterproof paint, frie retardant coating, mould-repellant coating, insecticidal coating, sound absorption or deadener, heat insulating coatings, radiation shielding coating, antifogging coating, rust proof paint, high-temperature resistant coating insulation compound etc.Existing insullac can not have well heat-resisting and insulation effect simultaneously concurrently, causes by the sprayed product overall performance not ideal enough; On the other hand, the existing insullac method that applies normally adopts traditional epoxy spraying or electrophoretic painting, but its coating member all needs the workman single one by one fixing, and production efficiency is low, and manual work and equipment cost are high.
 
Summary of the invention
For overcoming the defective of prior art, the object of the present invention is to provide a kind of high-temperature insulation liquid coating, have high temperature resistant and insulativity simultaneously concurrently.
Another object of the present invention is to provide a kind of spraying method of high-temperature insulation liquid coating, can once spray up to ten thousand parts simultaneously, save manual work and equipment cost greatly, enhance productivity.
The technical scheme that is adopted for the present invention of realization above-mentioned purpose is following:
A kind of high-temperature insulation liquid coating, it is by a) insulating resin, b) thinner forms and c) weighting agent, a) insulating resin and b) thinner is that 2cp-6cp mixes according to the dope viscosity value; Wherein
A) insulating resin is made up of following component by weight percentage: amide-imide resin 30%-50%, N-methyl alcohol-2-Pyrrolidone 40%-60%, color masterbatch 5-10%;
B) thinner is made up of following component by weight percentage: ETHYLE ACETATE 40-50%, butanone 10-20%, pyrrolidone 30-50%;
C) weighting agent is a tetrafluoroethylene, and consumption is the 1-3% of insulating resin and thinner gross weight.
Preferably, a) insulating resin and components b of component among the present invention) thinner dope viscosity value is that 3cp-5cp mixes.
Among the present invention, component a) insulating resin is made up of following component by weight percentage: amide-imide resin 40%, N-methyl alcohol-2-Pyrrolidone 50%, color masterbatch 10%;
B) thinner is made up of following component by weight percentage: ETHYLE ACETATE 40%, butanone 20%, pyrrolidone 40%.
A kind of spraying method of high-temperature insulation liquid coating insulation compound, it is to carry out according to following steps:
1) needs the sprayed product surface treatment;
2) sprayed product preheating:, put into the application basket after preheating is good to the product preheating of needs spraying;
3) coating is in harmonious proportion: the viscosity criterion according to setting mixes insulating resin, thinner and weighting agent;
4) revolution application: set spraying vapour pressure, spray time and quantity for spray, in the application basket that needs sprayed product is housed, put into quartz ball, the need sprayed product is rotated application, the rotation application adds heating duct simultaneously the need sprayed product is heated;
5) the false burning: after the rotation application is accomplished the need sprayed product is carried out vacation and burn, measure the spraying paint film thickness, whether need repeat above-mentioned the 4th step according to setting the paint film thickness decision; Wherein the setting thickness of paint film is the thickness setting according to customer requirement;
6) this burning: if paint film thickness reaches set(ting)value and again the need sprayed product carry out this burning;
7) detect: insulation resistance to compression value and application apparent size standard according to setting detect the specification product that are up to standard to the need sprayed product.
Step 2) in, preheating temperature is controlled at 150-180 ℃, and be 5-15 minute warm up time.
The insulating resin thinner is that 2cp-6cp mixes according to the dope viscosity value in the step 3); Wherein
A) insulating resin is made up of following component by weight percentage: amide-imide resin 30%-50%, N-methyl alcohol-2-Pyrrolidone 40%-60%, color masterbatch 5-10%;
B) thinner is made up of following component by weight percentage: ETHYLE ACETATE 40-50%, butanone 10-20%, pyrrolidone 30-50%;
C) weighting agent is a tetrafluoroethylene, and consumption is the 1-3% of insulating resin and thinner gross weight.
In the said step 4) of aforesaid method, setting the spraying vapour pressure is 0.2-0.4MPA, and spray time is 10-30 minute, and quantity for spray is 2.3-2.5G/Min, and application basket speed of rotation is 11-12 second/every circle, and the quartz ball particle diameter that the application basket is put into simultaneously is 1.5-2.0MM.Size according to sprayed product among the present invention determines the size of quartz ball and occupies part by weight that preferred, per 12500 spraying parts are put into the 150G quartz ball.
In the said step 5) of aforesaid method, false temperature of burning is 150-180 ℃, and the false burning time is 5-15 minute.
In the said step 6) of aforesaid method, the temperature of this burning is 200-250 ℃, time 30-50 minute.
In the said step 7) of aforesaid method, insulation resistance to compression value is 200-250V, the 5-15 megaohm.
Compare prior art, beneficial effect of the present invention is: high-temperature insulation liquid coating of the present invention has high temperature resistant and insulation effect simultaneously concurrently, and the product surface that sprayed this coating can access good protection.Spraying coating process of the present invention is compared existing coating process, can save the artificial time and minimizing electrophoretic painting investment of devices cost of putting portion's article one by one greatly, enhances productivity greatly.Existing same 200,000 needs 15 people of parts application in a day of electrophoresis coating technique only need 2 people but this coating adds 450,000 of this coating process applications in a day.
Embodiment below in conjunction with concrete is done further explain to the present invention.
 
Embodiment
Embodiment 1
A kind of high-temperature insulation liquid coating is by a) insulating resin, b) thinner and c) weighting agent forms a) insulating resin and b) thinner is that 2cp mixes according to the dope viscosity value; Wherein
A) insulating resin is made up of following component by weight percentage: amide-imide resin 30%, N-methyl alcohol-2-Pyrrolidone 60%, color masterbatch 10%;
B) thinner is made up of following component by weight percentage: ETHYLE ACETATE 40%, butanone 10%, pyrrolidone 50%;
C) weighting agent is a tetrafluoroethylene, and consumption is 1% of insulating resin and a thinner gross weight;
Carry out according to following steps: at first need sprayed product surface is cleaned or sandblasting,, put into the application basket after preheating is good 150 ℃ of preheatings 15 minutes; Above-mentioned insulating resin, thinner and weighting agent are mixed; Setting the spraying vapour pressure is that 0.2MPa, spray time are 10 minutes, and reaching quantity for spray is 2.3G/Min, in the application basket that needs sprayed product is housed, put into the quartz ball that particle diameter is 1.5MM, and the need sprayed product is rotated application, and speed of rotation is 12 seconds/every circle; Simultaneously the need sprayed product is carried out the heating duct heating of 60-100 degree, to need sprayed product false burning 15 minutes under 150 ℃, measure the spraying paint film thickness after the rotation application is accomplished, whether decision need repeat above-mentioned the 4th step according to the setting paint film thickness; Wherein the setting thickness of paint film is the thickness setting according to customer requirement; If paint film thickness reaches set(ting)value again to need sprayed product this burning under 200 ℃; Insulation resistance to compression value and application apparent size standard according to setting detect the specification product that are up to standard to the need sprayed product.
Embodiment 2
A kind of high-temperature insulation liquid coating is by a) insulating resin, b) thinner and c) weighting agent forms a) insulating resin and b) thinner is that 2cp mixes according to the dope viscosity value; Wherein
A) insulating resin is made up of following component by weight percentage: amide-imide resin 40%, N-methyl alcohol-2-Pyrrolidone 50%, color masterbatch 10%;
B) thinner is made up of following component by weight percentage: ETHYLE ACETATE 40%, butanone 20%, pyrrolidone 40%;
C) weighting agent is a tetrafluoroethylene, and consumption is 2% of insulating resin and a thinner gross weight;
Carry out according to following steps: at first need sprayed product surface is cleaned or sandblasting,, put into the application basket after preheating is good 150 ℃ of preheatings 10 minutes; Above-mentioned insulating resin, thinner and weighting agent are mixed; Setting the spraying vapour pressure is that 0.4MPa, spray time are 20 minutes; And quantity for spray is 2.4G/Min;, the application basket that needs sprayed product puts into the quartz ball that particle diameter is 2.0MM in being housed; The need sprayed product is rotated application, and speed of rotation is 12 seconds/every circle, simultaneously sprayed product is carried out the heating duct heating of 60-100 degree; To need sprayed product false burning 10 minutes under 170 ℃, measure the spraying paint film thickness after the rotation application is accomplished, whether decision need repeat above-mentioned the 4th step according to the setting paint film thickness; Wherein the setting thickness of paint film is the thickness setting according to customer requirement; If paint film thickness reaches set(ting)value again to need sprayed product this burning under 220 ℃; Insulation resistance to compression value and application apparent size standard according to setting detect the specification product that are up to standard to the need sprayed product.
Embodiment 3
A kind of high-temperature insulation liquid coating is by a) insulating resin, b) thinner and c) weighting agent forms a) insulating resin and b) thinner is that 2cp mixes according to the dope viscosity value; Wherein
A) insulating resin is made up of following component by weight percentage: amide-imide resin 50%, N-methyl alcohol-2-Pyrrolidone 45%, color masterbatch 5%;
B) thinner is made up of following component by weight percentage: ETHYLE ACETATE 50%, butanone 20%, pyrrolidone 30%;
C) weighting agent is a tetrafluoroethylene, and consumption is 3% of insulating resin and a thinner gross weight;
Carry out according to following steps: at first need sprayed product surface is cleaned or sandblasting,, put into the application basket after preheating is good 180 ℃ of preheatings 5 minutes; Above-mentioned insulating resin, thinner and weighting agent are mixed; Setting the spraying vapour pressure is that 0.2MPa, spray time are 30 minutes, and reaching quantity for spray is 2.4G/Min, in the application basket that needs sprayed product is housed, put into the quartz ball that particle diameter is 2MM, and the need sprayed product is rotated application, and speed of rotation is 12 seconds/every circle; To need sprayed product false burning 5 minutes under 180 ℃, measure the spraying paint film thickness after the rotation application is accomplished, whether decision need repeat above-mentioned the 4th step according to the setting paint film thickness; Wherein the setting thickness of paint film is the thickness setting according to customer requirement; If paint film thickness reaches set(ting)value again to need sprayed product this burning under 250 ℃; Insulation resistance to compression value and application apparent size standard according to setting detect the specification product that are up to standard to the need sprayed product.
The foregoing description is merely preferred case study on implementation of the present invention can not limit protection scope of the present invention with this, and the variation of any unsubstantiality that those skilled in the art is done on the basis of invention is changed and replaced and all belongs to the present invention's scope required for protection.

Claims (10)

1. high-temperature insulation liquid coating is characterized in that: it is by a) insulating resin, b) thinner forms and c) weighting agent, a) insulating resin and b) thinner is that 2cp-6cp mixes according to the dope viscosity value; Wherein
A) insulating resin is made up of following component by weight percentage: amide-imide resin 30%-50%, N-methyl alcohol-2-Pyrrolidone 40%-60%, color masterbatch 5-10%;
B) thinner is made up of following component by weight percentage: ETHYLE ACETATE 40-50%, butanone 10-20%, pyrrolidone 30-50%;
C) weighting agent is a tetrafluoroethylene, and consumption is the 1-3% of insulating resin and thinner gross weight.
2. high-temperature insulation liquid coating according to claim 1 is characterized in that: wherein a) insulating resin and b) thinner dope viscosity value is that 3cp-5cp mixes.
3. high-temperature insulation liquid coating according to claim 1 and 2 is characterized in that: wherein
A) insulating resin is made up of following component by weight percentage: amide-imide resin 40%, N-methyl alcohol-2-Pyrrolidone 50%, color masterbatch 10%;
B) thinner is made up of following component by weight percentage: ETHYLE ACETATE 40%, butanone 20%, pyrrolidone 40%.
4. the spraying method of a high-temperature insulation liquid coating insulation compound: it is characterized in that it is to carry out according to following steps:
1) needs the sprayed product surface treatment;
2) sprayed product preheating:, put into the application basket after preheating is good to the product preheating of needs spraying;
3) coating is in harmonious proportion: the viscosity criterion according to setting mixes insulating resin, thinner and weighting agent;
4) revolution application: set spraying vapour pressure, spray time and quantity for spray, in the application basket that needs sprayed product is housed, put into quartz ball, the need sprayed product is rotated application, the rotation application adds heating duct simultaneously the need sprayed product is heated;
5) the false burning: after the rotation application is accomplished the need sprayed product is carried out vacation and burn, measure the spraying paint film thickness, whether need repeat above-mentioned the 4th step according to setting the paint film thickness decision;
6) this burning: if paint film thickness reaches set(ting)value and again the need sprayed product carry out this burning;
7) detect: insulation resistance to compression value and application apparent size standard according to setting detect the specification product that are up to standard to the need sprayed product.
5. the spraying method of high-temperature insulation liquid coating insulation compound according to claim 4 is characterized in that: step 2) in, preheating temperature is controlled at 150-180 ℃, and be 5-15 minute warm up time.
6. the spraying method of high-temperature insulation liquid coating insulation compound according to claim 4 is characterized in that: the insulating resin thinner is that 2cp-6cp mixes according to the dope viscosity value in the step 3); Wherein
A) insulating resin is made up of following component by weight percentage: amide-imide resin 30%-50%, N-methyl alcohol-2-Pyrrolidone 40%-60%, color masterbatch 5-10%;
B) thinner is made up of following component by weight percentage: ETHYLE ACETATE 40-50%, butanone 10-20%, pyrrolidone 30-50%;
C) weighting agent is a tetrafluoroethylene, and consumption is the 1-3% of insulating resin and thinner gross weight.
7. the spraying method of high-temperature insulation liquid coating insulation compound according to claim 4; It is characterized in that: in the step 4); Setting the spraying vapour pressure is 0.2-0.4MPA, and spray time is 10-30 minute, and quantity for spray is 2.3-2.5G/Min; Application basket speed of rotation is 11-12 second/every circle, and the quartz ball particle diameter that the application basket is put into simultaneously is 1.5-2.0MM.
8. the spraying method of high-temperature insulation liquid coating insulation compound according to claim 4 is characterized in that: in the step 5), false temperature of burning is 150-180 ℃, and the false burning time is 5-15 minute.
9. the spraying method of high-temperature insulation liquid coating insulation compound according to claim 4 is characterized in that: in the step 6), the temperature of this burning is 200-250 ℃, time 30-40 minute.
10. the spraying method of high-temperature insulation liquid coating insulation compound according to claim 4 is characterized in that: in the step 7), insulation resistance to compression value is 200-250V, the 5-15 megaohm.
CN201210141714.5A 2012-05-09 2012-05-09 High-temperature-resistance insulation liquid coating and coating method thereof Expired - Fee Related CN102643603B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104167332A (en) * 2014-06-23 2014-11-26 浙江朗万电气科技有限公司 Household intelligent circuit breaker
CN104438011A (en) * 2013-09-25 2015-03-25 深圳市东浩源机电科技有限公司 Coating method for insulating paint resistant to high temperature
CN107611844A (en) * 2017-09-28 2018-01-19 山东鲁能智能技术有限公司 A kind of overhead transmission line insulating wrapped robot system and its control method
CN111715469A (en) * 2020-06-20 2020-09-29 烟台博昌汽车标准件有限公司 High-strength automobile zinc-aluminum coating device and process
CN111995911A (en) * 2020-08-31 2020-11-27 青岛格林沃德新材料科技有限公司 Temperature-resistant coating and production process thereof
CN112138966A (en) * 2020-09-14 2020-12-29 中核核电运行管理有限公司 Method for improving insulating property of sealing gasket

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Publication number Priority date Publication date Assignee Title
CN1450139A (en) * 2003-04-21 2003-10-22 上海高分子材料研究开发中心 High-temp thixotropy resistant polyimide based corrosion-resisting lubricating coating
CN101048483A (en) * 2004-10-27 2007-10-03 株式会社丰田自动织机 Sliding member and process for producing sliding member
CN101524681A (en) * 2009-04-10 2009-09-09 江苏欧赛德钢涂有限公司 Method for manufacturing insulating and corrosion-resisting reinforcing steel bar
CN101798485A (en) * 2009-02-11 2010-08-11 福州大通机电有限公司 Lubricant modified polyamide imide wire enamel and method for manufacturing same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1450139A (en) * 2003-04-21 2003-10-22 上海高分子材料研究开发中心 High-temp thixotropy resistant polyimide based corrosion-resisting lubricating coating
CN101048483A (en) * 2004-10-27 2007-10-03 株式会社丰田自动织机 Sliding member and process for producing sliding member
CN101798485A (en) * 2009-02-11 2010-08-11 福州大通机电有限公司 Lubricant modified polyamide imide wire enamel and method for manufacturing same
CN101524681A (en) * 2009-04-10 2009-09-09 江苏欧赛德钢涂有限公司 Method for manufacturing insulating and corrosion-resisting reinforcing steel bar

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104438011A (en) * 2013-09-25 2015-03-25 深圳市东浩源机电科技有限公司 Coating method for insulating paint resistant to high temperature
CN104167332A (en) * 2014-06-23 2014-11-26 浙江朗万电气科技有限公司 Household intelligent circuit breaker
CN104167332B (en) * 2014-06-23 2016-01-20 浙江朗万电气科技有限公司 A kind of domestic intelligent circuit breaker
CN107611844A (en) * 2017-09-28 2018-01-19 山东鲁能智能技术有限公司 A kind of overhead transmission line insulating wrapped robot system and its control method
CN107611844B (en) * 2017-09-28 2020-05-01 国网智能科技股份有限公司 A kind of overhead line insulation coating robot system and its control method
CN111715469A (en) * 2020-06-20 2020-09-29 烟台博昌汽车标准件有限公司 High-strength automobile zinc-aluminum coating device and process
CN111995911A (en) * 2020-08-31 2020-11-27 青岛格林沃德新材料科技有限公司 Temperature-resistant coating and production process thereof
CN112138966A (en) * 2020-09-14 2020-12-29 中核核电运行管理有限公司 Method for improving insulating property of sealing gasket

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