CN103289518A - Ageing-resistant powder coating and preparation method thereof - Google Patents
Ageing-resistant powder coating and preparation method thereof Download PDFInfo
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- CN103289518A CN103289518A CN2013101409675A CN201310140967A CN103289518A CN 103289518 A CN103289518 A CN 103289518A CN 2013101409675 A CN2013101409675 A CN 2013101409675A CN 201310140967 A CN201310140967 A CN 201310140967A CN 103289518 A CN103289518 A CN 103289518A
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Abstract
The invention discloses an ageing-resistant powder coating and a preparation method thereof. Raw materials for the powder coating comprise an epoxy resin E-12, nanometer fly ash, dimethylbenzene, triethylene tetramine, zinc dust, light calcium carbonate powder, a leveling agent, Tween-80, bis-dodecanol ester, epoxidized triglyceride, aluminum nitride powder and a film-forming resin. The powder coating provided in the invention is a green environment-friendly coating which is nontoxic, high-temperature-resistant and free of a solvent and discharge of VOC; the epoxy resin E-12 is used as a main raw material for the coating and the film forming resin is added at the same time, so film forming ability of the powder coating is enhanced, surface leveling of the powder coating is improved, high gloss retention is realized, ageing resistance lasts for a long time, and decorative performance the powder coating is improved; a prepared finished product has a high qualified rate, and industrial large production can be realized.
Description
Technical field
The present invention relates to art of powder coatings, relate in particular to a kind of aging-resistant powder coating and preparation method thereof.
Background technology
Along with the sustained, stable growth of China's economy and improving constantly of living standards of the people, the powder coating business of hardware also constantly increases, especially industries such as household electrical appliance, instrument, traffic facilities, aluminium section bar, various vehicle and haberdashery and hardware, powder coating can provide good corrosionproof protection and decorate properties to metal, but owing to the antifouling property of the existing coating that is used for above-mentioned field is undesirable, often adhere to all kinds of dusts, dirt or even greasy dirt on the coating; Anti-stick subsides ability is also undesirable, and the coating that forms of existing powder coating phenomenon such as be prone to foaming under the effect of natural conditions, ftracture, peel off such as be exposed to the sun for a long time out of doors, drench with rain, and therefore, the mechanical property of coating is also undesirable.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, and a kind of aging-resistant powder coating and preparation method thereof is provided.
The present invention adopts following technical scheme to achieve these goals:
The aging-resistant powder coating, the weight part of its constitutive material is: Resins, epoxy E-12 35-37, nano powder coal ash 7-9, dimethylbenzene 2.4-2.6, triethylene tetramine 1.2-1.5, zinc powder 2.5-3.5, light calcium carbonate powder 37-43, flow agent 2.5-3.0, tween 80 2.3-2.8, two 12 carbon alcohol ester 1.5-1.7, epoxidation tri-glyceride 1.9-2.1, aluminum nitride powder 4.5-5.5 and film-forming resin 1.5-2.5.
The aging-resistant powder coating, the weight part of its constitutive material is: Resins, epoxy E-12 36, nano powder coal ash 8, dimethylbenzene 2.5, triethylene tetramine 1.4, zinc powder 3, light calcium carbonate powder 40, flow agent 2.8, tween 80 2.5, two 12 carbon alcohol esters 1.6, epoxidation tri-glyceride 2, aluminum nitride powder 5 and film-forming resin 2.
The preparation method of aging-resistant powder coating may further comprise the steps:
(1) preparation of film-forming resin: press compositing formula urea 3-5, clorafin 5-7, poly terephthalic acid diethyl ester 3-5, glycerine 4-6, silver powder 0.2-0.3, polyster fibre powder 0.3-0.5, hexanodioic acid propylene glycol polyester 3-5, vinylbenzene 2-3,2,4-dichlorobenzoperoxide 0.2-0.3 and calcium carbonate 0.3-0.5; Production method is as follows:
A: clorafin, poly terephthalic acid diethyl ester, glycerine, polyster fibre powder, hexanodioic acid propylene glycol polyester, vinylbenzene are added stainless steel cauldron, be warming up to 110 ± 5 ℃, start and stir adding urea, 2,4-dichlorobenzoperoxide, calcium carbonate, silver powder;
B: be warmed up to 180-195 ℃ with 50-60 ℃ of/hour speed then; React to stop in 1-2 hour heating and obtain;
(2) weight part by constitutive material takes by weighing each raw material, prepares burden then and puts into mixing machine and mix, and the compound that mixes is put into twin screw extruder extrude, and a district temperature of forcing machine is controlled and existed: 70 ± 5 ℃; Two district's temperature controls exist: 95 ± 5 ℃; After the sheet material cooling after extruding, put into crusher for crushing, grind to form 200-220 purpose powder, the packing warehouse-in, the powder curing condition is: solidification value 150-180 ℃, be incubated 18-22 minute.
Advantage of the present invention:
Powder coating of the present invention is environmental type coating, nontoxic, high temperature resistant, do not contain solvent, the VOC free discharging, and the present invention to adopt Resins, epoxy E-12 be main raw material, added film-forming resin simultaneously, strengthen the film-forming properties of powder coating, improved the surperficial levelling of powder coating, have high gloss retention, the anti-aging time is long, has improved the ornamental of powder coating; The product qualified rate height for preparing can be realized industrialized production.
Embodiment
Embodiment 1: the aging-resistant powder coating, the weight part of its constitutive material (kg) is: Resins, epoxy E-12 36, nano powder coal ash 8, dimethylbenzene 2.5, triethylene tetramine 1.4, zinc powder 3, light calcium carbonate powder 40, flow agent 2.8, tween 80 2.5, two 12 carbon alcohol esters 1.6, epoxidation tri-glyceride 2, aluminum nitride powder 5 and film-forming resin 2.
The preparation method of aging-resistant powder coating may further comprise the steps:
(1) preparation of film-forming resin: press compositing formula (kg) urea 4, clorafin 6, poly terephthalic acid diethyl ester 4, glycerine 5, silver powder 0.25, polyster fibre powder 0.4, hexanodioic acid propylene glycol polyester 4, vinylbenzene 2.5,2,4-dichlorobenzoperoxide 0.25 and calcium carbonate 0.4; Production method is as follows:
A: clorafin, poly terephthalic acid diethyl ester, glycerine, polyster fibre powder, hexanodioic acid propylene glycol polyester, vinylbenzene are added stainless steel cauldron, be warming up to 110 ± 5 ℃, start and stir adding urea, 2,4-dichlorobenzoperoxide, calcium carbonate, silver powder;
B: be warmed up to 180-195 ℃ with 50-60 ℃ of/hour speed then; React to stop in 1-2 hour heating and obtain;
(2) weight part by constitutive material takes by weighing each raw material, prepares burden then and puts into mixing machine and mix, and the compound that mixes is put into twin screw extruder extrude, and a district temperature of forcing machine is controlled and existed: 70 ± 5 ℃; Two district's temperature controls exist: 95 ± 5 ℃; After the sheet material cooling after extruding, put into crusher for crushing, grind to form 200-220 purpose powder, the packing warehouse-in, the powder curing condition is: solidification value 150-180 ℃, be incubated 18-22 minute.
Adopt the electrostatic spraying constructional method to act on the lampblack absorber case surface of spray treatment this powder coating, abundant curing through 180 ℃, naturally cool to room temperature, after placing 24h, measure coating performance, its coating shock strength 〉=92.5cm, salt-fog resistant time 〉=415h, artificial accelerated aging time 〉=3350h, resistance toheat 〉=548 ℃, exposure to weather(ing) 12 months is non-foaming, non-corrosive, do not ftracture, do not peel off.
Claims (3)
1. an aging-resistant powder coating is characterized in that the weight part of its constitutive material is: Resins, epoxy E-12 35-37, nano powder coal ash 7-9, dimethylbenzene 2.4-2.6, triethylene tetramine 1.2-1.5, zinc powder 2.5-3.5, light calcium carbonate powder 37-43, flow agent 2.5-3.0, tween 80 2.3-2.8, two 12 carbon alcohol ester 1.5-1.7, epoxidation tri-glyceride 1.9-2.1, aluminum nitride powder 4.5-5.5 and film-forming resin 1.5-2.5.
2. aging-resistant powder coating according to claim 1 is characterized in that the weight part of its constitutive material is: Resins, epoxy E-12 36, nano powder coal ash 8, dimethylbenzene 2.5, triethylene tetramine 1.4, zinc powder 3, light calcium carbonate powder 40, flow agent 2.8, tween 80 2.5, two 12 carbon alcohol esters 1.6, epoxidation tri-glyceride 2, aluminum nitride powder 5 and film-forming resin 2.
3. the preparation method of an aging-resistant powder coating as claimed in claim 1 is characterized in that may further comprise the steps:
(1) preparation of film-forming resin: press compositing formula urea 3-5, clorafin 5-7, poly terephthalic acid diethyl ester 3-5, glycerine 4-6, silver powder 0.2-0.3, polyster fibre powder 0.3-0.5, hexanodioic acid propylene glycol polyester 3-5, vinylbenzene 2-3,2,4-dichlorobenzoperoxide 0.2-0.3 and calcium carbonate 0.3-0.5; Production method is as follows:
A: clorafin, poly terephthalic acid diethyl ester, glycerine, polyster fibre powder, hexanodioic acid propylene glycol polyester, vinylbenzene are added stainless steel cauldron, be warming up to 110 ± 5 ℃, start and stir adding urea, 2,4-dichlorobenzoperoxide, calcium carbonate, silver powder;
B: be warmed up to 180-195 ℃ with 50-60 ℃ of/hour speed then; React to stop in 1-2 hour heating and obtain;
(2) weight part by constitutive material takes by weighing each raw material, prepares burden then and puts into mixing machine and mix, and the compound that mixes is put into twin screw extruder extrude, and a district temperature of forcing machine is controlled and existed: 70 ± 5 ℃; Two district's temperature controls exist: 95 ± 5 ℃; After the sheet material cooling after extruding, put into crusher for crushing, grind to form 200-220 purpose powder, the packing warehouse-in, the powder curing condition is: solidification value 150-180 ℃, be incubated 18-22 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013101409675A CN103289518A (en) | 2013-04-23 | 2013-04-23 | Ageing-resistant powder coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101409675A CN103289518A (en) | 2013-04-23 | 2013-04-23 | Ageing-resistant powder coating and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103937338A (en) * | 2014-03-25 | 2014-07-23 | 安徽柏拉图涂层织物有限公司 | Aging-resistance paint |
| CN106633664A (en) * | 2016-12-29 | 2017-05-10 | 安徽浩丰特种电子材料有限公司 | Epoxy resin composition with excellent shock strength |
| CN109666371A (en) * | 2018-11-02 | 2019-04-23 | 山西大学 | A kind of solid waste Ultramicro-powder based powder coatings and its coating process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1989168A (en) * | 2004-05-21 | 2007-06-27 | 通用电气公司 | Catalyst for curing epoxy resins, epoxy resin composition, and powder coating composition |
| CN103013296A (en) * | 2012-12-12 | 2013-04-03 | 滁州市宏源喷涂有限公司 | Powder coating containing modified attapulgite and preparation method of powder coating |
| CN103013298A (en) * | 2012-12-12 | 2013-04-03 | 滁州市宏源喷涂有限公司 | Powder coating containing modified nanocarbon and preparation method of powder coating |
| CN103045044A (en) * | 2012-12-12 | 2013-04-17 | 滁州市宏源喷涂有限公司 | Energy-saving and environment-friendly powder coating and preparation method thereof |
-
2013
- 2013-04-23 CN CN2013101409675A patent/CN103289518A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1989168A (en) * | 2004-05-21 | 2007-06-27 | 通用电气公司 | Catalyst for curing epoxy resins, epoxy resin composition, and powder coating composition |
| CN103013296A (en) * | 2012-12-12 | 2013-04-03 | 滁州市宏源喷涂有限公司 | Powder coating containing modified attapulgite and preparation method of powder coating |
| CN103013298A (en) * | 2012-12-12 | 2013-04-03 | 滁州市宏源喷涂有限公司 | Powder coating containing modified nanocarbon and preparation method of powder coating |
| CN103045044A (en) * | 2012-12-12 | 2013-04-17 | 滁州市宏源喷涂有限公司 | Energy-saving and environment-friendly powder coating and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103937338A (en) * | 2014-03-25 | 2014-07-23 | 安徽柏拉图涂层织物有限公司 | Aging-resistance paint |
| CN106633664A (en) * | 2016-12-29 | 2017-05-10 | 安徽浩丰特种电子材料有限公司 | Epoxy resin composition with excellent shock strength |
| CN109666371A (en) * | 2018-11-02 | 2019-04-23 | 山西大学 | A kind of solid waste Ultramicro-powder based powder coatings and its coating process |
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Application publication date: 20130911 |