CN103881512A

CN103881512A - Ultraviolet-shielding LED (light-emitting diode) heat dissipation paint and preparation method thereof

Info

Publication number: CN103881512A
Application number: CN201410050692.0A
Authority: CN
Inventors: 程实
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-02-14
Filing date: 2014-02-14
Publication date: 2014-06-25

Abstract

The invention relates to an ultraviolet-shielding LED (light-emitting diode) heat dissipation paint which is prepared from the following raw materials in parts by weight: 35-40 parts of terpene resin, 12-15 parts of cellulose acetate, 10-13 parts of melamine formaldehyde resin, 6-9 parts of nano titanium dioxide, 4-5 parts of dolomite powder, 18-23 parts of dichloromethane, 4-7 parts of tributyl phosphate, 0.5-1 part of silane coupling agent KH-570, 1-2 parts of bis-benzylamino ether, 13-15 parts of beryllium oxide and 3-4 parts of film-forming assistant. The paint has the advantages of light color, low smell, high hardness, high adhesive force, favorable oxidation resistance and favorable heat stability; and by adding the nano titanium dioxide, dolomite powder and beryllium oxide, the paint has favorable system dispersivity, favorable ultraviolet shielding property, favorable weather resistance, favorable heat resistance and favorable heat dissipation property, is easy for application, and greatly prolongs the service life of the lamps. By using the film-forming assistant, the paint has favorable film-forming property and is easy for application.

Description

A kind of ultraviolet screener LED heat radiation coating and preparation method thereof

Technical field

The invention belongs to technical field of coatings, particularly a kind of ultraviolet screener LED heat radiation coating and preparation method thereof.

Background technology

Along with the rapid expansion of LED lamp use range, extend LED lamp and also become urgent problem work-ing life, LED power strengthens, and heat dissipation problem is also just more and more focused on by people.Adopt at present heat-conducting glue to solve LED lamp heat dissipation problem, but there is heatproof and ageing-resistant poor in its material using, little to base material cohesive force, radiating effect is not good and the inconvenient technical problem of constructing, and is difficult to meet the requirement that people are dispelled the heat to LED lamp.

Summary of the invention

The object of this invention is to provide a kind of ultraviolet screener LED heat radiation coating and preparation method thereof, coating of the present invention has advantages of that, the low smell of look shallow, high rigidity, high adhesive force, oxidation-resistance and Heat stability is good, thermal diffusivity are good, shielding ultraviolet rays.

The technical solution adopted in the present invention is:

A kind of ultraviolet screener LED heat radiation coating, is characterized in that being made up of the raw material of following weight part: terpine resin 35-40, rhodia 12-15, terpolycyantoamino-formaldehyde resin 10-13, nano titanium oxide 6-9, ground dolomite 4-5, methylene dichloride 18-23, tributyl phosphate 4-7, Silane coupling reagent KH-570 0.5-1, phenoxybenzamine base ether 1-2, beryllium oxide 13-15, film coalescence aid 3-4.

Described film coalescence aid is made by the raw material of following weight part: ethylene glycol ether acetate 6-9,2-fluoroacetic acid base fourth are led sour 2-4, vinylformic acid 3-5, polyvinyl butyral acetal 2-4, HMPA 3-5, meraneine 3-5, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 0.5-1, hydroxymethyl-propyl cellulose 2-3, nano-chitosan 0.3-0.5, plasticity-starch 1-2, acetyl peroxide 0.2-0.4, propylene glycol methyl ether acetate 15-18; Preparation method is: ethylene glycol ether acetate, HMPA, meraneine, hydroxymethyl-propyl cellulose, nano-chitosan, plasticity-starch, propylene glycol methyl ether acetate are mixed, stir 5-10 minute, be heated to 60-70 ℃, under 4000-6000 rev/min, stir 18-25 minute, add again 2-fluoroacetic acid base fourth to lead acid, vinylformic acid, polyvinyl butyral acetal, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester, stirring reaction 15-30 minute; Be cooled to 20-25 ℃ again, then add other remaining component, stirring reaction 45-60 minute, to obtain final product.

The preparation method of described ultraviolet screener LED heat radiation coating, it is characterized in that comprising the following steps: rhodia, methylene dichloride, tributyl phosphate are mixed, at 1100-1300 rev/min of lower stirring reaction 10-20 minute, then be warming up to 40-50 ℃, add terpine resin, Silane coupling reagent KH-570, phenoxybenzamine base ether, continue to stir 20-30 minute, add again other remaining component, continue stirring reaction 30-40 minute, grind and obtain slurry, to obtain final product.

Beneficial effect of the present invention

Coating of the present invention has advantages of, the low smell of look shallow, high rigidity, high adhesive force, oxidation-resistance and Heat stability is good; And by adding nano titanium oxide, ground dolomite, beryllium oxide, make coating system good dispersity, and shielding ultraviolet rays, good weatherability, is easy to application, good heat resistance, and also thermal diffusivity is good, has greatly extended the work-ing life of light fixture.Film coalescence aid of the present invention, makes coating good film-forming property, is easy to application.

Embodiment

A kind of ultraviolet screener LED heat radiation coating, by following weight part (kilogram) raw material make: terpine resin 37, rhodia 13, terpolycyantoamino-formaldehyde resin 12, nano titanium oxide 7, ground dolomite 4.5, methylene dichloride 20, tributyl phosphate 5, Silane coupling reagent KH-570 0.7, phenoxybenzamine base ether 1.5, beryllium oxide 14, film coalescence aid 3.5.

Described film coalescence aid by following weight part (kilogram) raw material make: ethylene glycol ether acetate 8,2-fluoroacetic acid base fourth are led acid 3, vinylformic acid 4, polyvinyl butyral acetal 3, HMPA 4, meraneine 4, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 0.7, hydroxymethyl-propyl cellulose 2.5, nano-chitosan 0.4, plasticity-starch 1.5, acetyl peroxide 0.3, propylene glycol methyl ether acetate 17; Preparation method is: ethylene glycol ether acetate, HMPA, meraneine, hydroxymethyl-propyl cellulose, nano-chitosan, plasticity-starch, propylene glycol methyl ether acetate are mixed, stir 8 minutes, be heated to 65 ℃, under 5000 revs/min, stir 20 minutes, add again 2-fluoroacetic acid base fourth to lead acid, vinylformic acid, polyvinyl butyral acetal, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester, stirring reaction 26 minutes; Be cooled to 24 ℃ again, then add other remaining component, stirring reaction 50 minutes, to obtain final product.

The preparation method of described ultraviolet screener LED heat radiation coating, comprise the following steps: rhodia, methylene dichloride, tributyl phosphate are mixed, 1200 revs/min of lower stirring reactions 15 minutes, then be warming up to 45 ℃, add terpine resin, Silane coupling reagent KH-570, phenoxybenzamine base ether, continue to stir 25 minutes, add again other remaining component, continue stirring reaction 35 minutes, grind and obtain slurry, to obtain final product.

Coating of the present invention is applied on LED housing to artificial accelerated aging test under 80 ℃ and 300W ultraviolet light irradiation condition, 4450 hours ageing-resistant time, 275 ℃ of heatproof high temperature, bonding shearing force 15MPa., thermal conductivity 284 W/ (m ℃).

Claims

1. a ultraviolet screener LED heat radiation coating, is characterized in that being made up of the raw material of following weight part: terpine resin 35-40, rhodia 12-15, terpolycyantoamino-formaldehyde resin 10-13, nano titanium oxide 6-9, ground dolomite 4-5, methylene dichloride 18-23, tributyl phosphate 4-7, Silane coupling reagent KH-570 0.5-1, phenoxybenzamine base ether 1-2, beryllium oxide 13-15, film coalescence aid 3-4;

?described film coalescence aid is made by the raw material of following weight part: ethylene glycol ether acetate 6-9,2-fluoroacetic acid base fourth are led sour 2-4, vinylformic acid 3-5, polyvinyl butyral acetal 2-4, HMPA 3-5, meraneine 3-5, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 0.5-1, hydroxymethyl-propyl cellulose 2-3, nano-chitosan 0.3-0.5, plasticity-starch 1-2, acetyl peroxide 0.2-0.4, propylene glycol methyl ether acetate 15-18; Preparation method is: ethylene glycol ether acetate, HMPA, meraneine, hydroxymethyl-propyl cellulose, nano-chitosan, plasticity-starch, propylene glycol methyl ether acetate are mixed, stir 5-10 minute, be heated to 60-70 ℃, under 4000-6000 rev/min, stir 18-25 minute, add again 2-fluoroacetic acid base fourth to lead acid, vinylformic acid, polyvinyl butyral acetal, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester, stirring reaction 15-30 minute; Be cooled to 20-25 ℃ again, then add other remaining component, stirring reaction 45-60 minute, to obtain final product.

2. the preparation method of ultraviolet screener LED heat radiation coating according to claim 1, it is characterized in that comprising the following steps: rhodia, methylene dichloride, tributyl phosphate are mixed, at 1100-1300 rev/min of lower stirring reaction 10-20 minute, then be warming up to 40-50 ℃, add terpine resin, Silane coupling reagent KH-570, phenoxybenzamine base ether, continue to stir 20-30 minute, add again other remaining component, continue stirring reaction 30-40 minute, grind and obtain slurry, to obtain final product.