CN105860760A - Mosquito-repellent high-thermal-conductivity insulation varnish for LED lamp holder and preparation method of mosquito-repellent high-thermal-conductivity insulation varnish for LED lamp holder - Google Patents

Abstract

The invention discloses mosquito-repellent high-thermal-conductivity insulation varnish for an LED lamp holder. The mosquito-repellent high-thermal-conductivity insulation varnish has the advantages that on the basis of the prior art, a heat dissipation enhancer prepared through modification is good in heat dissipation performance and is good in affinity with epoxy resin polymers so as to be less prone to sedimentation; perlite powder subjected to coating modification by rapeseed oil is smooth and lubricant in surface, so that a varnish film is smoother without bubbling; after the modified nanometer titanium dioxide is added, mosquito repellency is achieved while a layer of 'shell' can be formed to protect an inner insulation material; nano particles with small particle size can be combined with an organic insulation resin material within a smaller range, so that electric strength of the varnish film is improved effectively, and excellent insulativity is achieved; the insulation varnish is high in thermal conductivity and capable of repelling mosquitos, so that load capacity of the LED lamp holder is enhanced.

Description

A kind of energy mosquito repellent LED Lamp socket high heat conductive insulating paint and preparation method thereof

Technical field

The present invention relates to technical field of coatings, particularly relate to LED seat high heat conductive insulating paint of a kind of energy mosquito repellent and preparation method thereof.

Background technology

LED electricity-saving lamp is as a kind of novel lighting source; with energy-conservation, healthy, environmental protection and the distinguishing feature of life-span length; receive the favor of numerous people and vigorously supporting of country; rapid expansion along with LED range; extending LED and the most become urgent problem service life, LED seating face spraying high heat conductive insulating paint is carried out protection is exactly wherein one of means.

Insulated paint is a kind of functional coating with good electrical insulation, the quality of insulated paint resistance to sparking energy, and economic and technical norms and service life to electrical equipment have crucial effect.A lot of inorganic color stuffings itself possess the insulating properties of excellence, by physical method, appropriate inorganic powder is evenly spread in insulated paint, organic phase and inorganic phase is made to be combined, the electrical strength of insulated paint, heat resistance, resistance to ag(e)ing and mechanical property etc. can be improved, give insulated paint application performance higher, wider array of, increasingly paid close attention to by people.If " development of high heat conductive insulating paint and the application on low voltage motor thereof " literary composition is with unsaturated polyester modified epoxy resin as matrix, using diamond, carborundum and alumina powder after silane coupler surface modification is that high heat conductive insulating paint prepared respectively by filler, result shows: the insulated paint adding unmodified filler is easily generated deposited phenomenon, and the insulated paint storage stability that adds silane coupler surface modifying stuffing is good, it is difficult to precipitation；High heat conductive insulating paint thermal conductivity factor prepared by 3 kinds of modified filler compound uses is up to 0.432W/ (m K), viscosity 69s, electrical strength 23.4 MV/m.Although but the thermal conductivity factor of insulated paint increases substantially in literary composition, but little and with powder content the increase of electrical strength increasing degree reduces on the contrary, this insulated paint is sprayed on radiating effect on LED seat inconspicuous, long-time use in easy to fall off make metal material oxygen generation oxidation reaction in hot environment easily and in air, produce corrosion phenomena, so that metal material gradually loses intensity and causes structural disappearance, become the hidden danger of various accident, need for this existing technique and formula are improved, to improve the physical and mechanical properties of insulated paint, uvioresistant, the performances such as high temperature resistant and anticorrosion.

Nano particle has bulk effect, surface and interfacial effect, quantum size effect and macro quanta tunnel effect.Nanometer technology is the transformation of conventional industries, increase technology content and provide new means, also the exploitation for high heat conductive insulating paint provides new approach, the present invention adds in raw material by addition modified for nano titanium oxide, prepares the high heat conductive insulating paint being suitable for the excellent combination property that LED seat sprays paint.

Summary of the invention

The object of the invention is contemplated to make up the defect of prior art, it is provided that LED seat high heat conductive insulating paint of a kind of energy mosquito repellent and preparation method thereof.

The present invention is achieved by the following technical solutions:

The LED seat high heat conductive insulating paint of a kind of energy mosquito repellent, is prepared by the raw materials in: AG-80 epoxy resin 40-42, organic siliconresin 24-26, crushed crude pearlite 5-7, coconut activated powdered carbon 3-5, rapeseed oil 2-3, zirconium dioxide 0.4-0.6, dimethyl phthalate 4-6, methacryloxypropyl trimethoxy silane 5-6, oatmeal 2-4, nano titanium oxide 3.6-3.8, heat radiation reinforcing agent 13-16, n-butanol 22-25；Described heat radiation reinforcing agent is prepared by the raw materials in: artificial diamond stone flour 15-16, carborundum 30-32, alumina powder 60-62, titanate coupling agent 5-7, triethanolamine borate 4-6, zinc stearate 2.3-2.5, HMPA 10-12, antioxidant NBC 1-2, morpholine 7-9, its preparation method is: by artificial diamond's stone flour, carborundum, alumina powder mixes, add the triethanolamine borate aqueous solution that mass fraction is 0.2-0.6%, high-speed stirred 5-10 minute, it is warming up to 70-90 DEG C and adds titanate coupling agent, morpholine, zinc stearate ultrasonic disperse 30-40 minute, it is cooled to room temperature and adds HMPA and other residual components ultrasonic disperse 1-2 hour, filter, drying.

The preparation method of the LED seat high heat conductive insulating paint of described a kind of energy mosquito repellent, comprises the following steps:

(1) oatmeal is added the boiling water boiled to cook by scalding, add nano titanium oxide and suitable quantity of water ultrasonic disperse obtains suspension slurry, add zirconium dioxide, dimethyl phthalate ultrasonic disperse 20-30 minute, it is slow added into methacryloxypropyl trimethoxy silane ultrasonic grinding 30-40 minute, dries to obtain modified nano-titanium dioxide；

(2) by hydrochloric acid solution that crushed crude pearlite spray concentration after high-temperature process is 1-2mol/L in 60-80 DEG C of ultrasonic disperse 1-2 hour, washing, to neutral, adds coconut activated powdered carbon, rapeseed oil magnetic agitation 2-3 hour, dries；

(3) n-butanol put in agitator stir, be warming up to 90-95 DEG C add AG-80 epoxy resin, organic siliconresin stirs 1-2 hour, be cooled to 45-50 DEG C add heat radiation reinforcing agent, step (1), (2) material stirring grind 2-3 hour, discharging.

The invention have the advantage that the present invention on the basis of prior art in addition the modified heat radiation reinforcing agent thermal diffusivity prepared good, with epoxide resin polymer compatibility the most not free settling；By lubricious for crushed crude pearlite rapeseed oil coating modification rear surface, smooth; enhance paint film planarization non-foaming; add modified nano titanium oxide; on the one hand there is mosquito repellent function; on the other hand one layer " shell " can be formed; the insulating materials of protection internal layer; owing to the particle diameter of nano particle is less; therefore, it is possible to be combined with organic insulation resin material in less scope; improve the electrical strength of paint film; insulating properties is good, the insulated paint thermal conductivity utilizing the present invention to prepare is good, can mosquito repellent, improve the load capacity of LED seat.

Detailed description of the invention

The LED seat high heat conductive insulating paint of a kind of energy mosquito repellent, is prepared by the raw materials in: AG-80 epoxy resin 40, organic siliconresin 24, crushed crude pearlite 5, coconut activated powdered carbon 3, rapeseed oil 2, zirconium dioxide 0.4, dimethyl phthalate 4, methacryloxypropyl trimethoxy silane 5, oatmeal 2, nano titanium oxide 3.6, heat radiation reinforcing agent 13, n-butanol 22；Described heat radiation reinforcing agent is prepared by the raw materials in: artificial diamond's stone flour 15, carborundum 30, alumina powder 60, titanate coupling agent 5, triethanolamine borate 4, zinc stearate 2.3, HMPA 10, antioxidant NBC 1, morpholine 7, its preparation method is: by artificial diamond's stone flour, carborundum, alumina powder mixes, add the triethanolamine borate aqueous solution that mass fraction is 0.2-0.6%, high-speed stirred 5-10 minute, it is warming up to 70-90 DEG C and adds titanate coupling agent, morpholine, zinc stearate ultrasonic disperse 30-40 minute, it is cooled to room temperature and adds HMPA and other residual components ultrasonic disperse 1-2 hour, filter, drying.

The preparation method of the LED seat high heat conductive insulating paint of described a kind of energy mosquito repellent, comprises the following steps:

(1) oatmeal is added the boiling water boiled to cook by scalding, add nano titanium oxide and suitable quantity of water ultrasonic disperse obtains suspension slurry, add zirconium dioxide, dimethyl phthalate ultrasonic disperse 20-30 minute, it is slow added into methacryloxypropyl trimethoxy silane ultrasonic grinding 30-40 minute, dries to obtain modified nano-titanium dioxide；

(2) by hydrochloric acid solution that crushed crude pearlite spray concentration after high-temperature process is 1-2mol/L in 60-80 DEG C of ultrasonic disperse 1-2 hour, washing, to neutral, adds coconut activated powdered carbon, rapeseed oil magnetic agitation 2-3 hour, dries；

(3) n-butanol put in agitator stir, be warming up to 90-95 DEG C add AG-80 epoxy resin, organic siliconresin stirs 1-2 hour, be cooled to 45-50 DEG C add heat radiation reinforcing agent, step (1), (2) material stirring grind 2-3 hour, discharging.

Utilize the high heat conductive insulating paint thermal conductivity factor that the present invention prepares up to 0.532W/ (m K), viscosity 71s, electrical strength 30.2MV/m.

Claims (2)

1. the LED seat high heat conductive insulating paint of an energy mosquito repellent, it is characterized in that, be prepared by the raw materials in: AG-80 epoxy resin 40-42, organic siliconresin 24-26, crushed crude pearlite 5-7, coconut activated powdered carbon 3-5, rapeseed oil 2-3, zirconium dioxide 0.4-0.6, dimethyl phthalate 4-6, methacryloxypropyl trimethoxy silane 5-6, oatmeal 2-4, nano titanium oxide 3.6-3.8, heat radiation reinforcing agent 13-16, n-butanol 22-25；Described heat radiation reinforcing agent is prepared by the raw materials in: artificial diamond stone flour 15-16, carborundum 30-32, alumina powder 60-62, titanate coupling agent 5-7, triethanolamine borate 4-6, zinc stearate 2.3-2.5, HMPA 10-12, antioxidant NBC 1-2, morpholine 7-9, its preparation method is: by artificial diamond's stone flour, carborundum, alumina powder mixes, add the triethanolamine borate aqueous solution that mass fraction is 0.2-0.6%, high-speed stirred 5-10 minute, it is warming up to 70-90 DEG C and adds titanate coupling agent, morpholine, zinc stearate ultrasonic disperse 30-40 minute, it is cooled to room temperature and adds HMPA and other residual components ultrasonic disperse 1-2 hour, filter, drying.

The preparation method of the LED seat high heat conductive insulating paint of a kind of energy mosquito repellent the most according to claim 1, it is characterised in that comprise the following steps:

(1) oatmeal is added the boiling water boiled to cook by scalding, add nano titanium oxide and suitable quantity of water ultrasonic disperse obtains suspension slurry, add zirconium dioxide, dimethyl phthalate ultrasonic disperse 20-30 minute, it is slow added into methacryloxypropyl trimethoxy silane ultrasonic grinding 30-40 minute, dries to obtain modified nano-titanium dioxide；

(2) by hydrochloric acid solution that crushed crude pearlite spray concentration after high-temperature process is 1-2mol/L in 60-80 DEG C of ultrasonic disperse 1-2 hour, washing, to neutral, adds coconut activated powdered carbon, rapeseed oil magnetic agitation 2-3 hour, dries；

(3) n-butanol put in agitator stir, be warming up to 90-95 DEG C add AG-80 epoxy resin, organic siliconresin stirs 1-2 hour, be cooled to 45-50 DEG C add heat radiation reinforcing agent, step (1), (2) material stirring grind 2-3 hour, discharging.