CN102977739A - Ultraviolet (UV) curing electrostatic spraying transparent primer wood coating and construction method - Google Patents
Ultraviolet (UV) curing electrostatic spraying transparent primer wood coating and construction method Download PDFInfo
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- CN102977739A CN102977739A CN2012105076756A CN201210507675A CN102977739A CN 102977739 A CN102977739 A CN 102977739A CN 2012105076756 A CN2012105076756 A CN 2012105076756A CN 201210507675 A CN201210507675 A CN 201210507675A CN 102977739 A CN102977739 A CN 102977739A
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Abstract
The invention relates to an ultraviolet (UV) curing electrostatic spraying transparent primer wood coating which is composed of a component A and a component B, wherein the component A consists of epoxy acrylate (EA), modified EA, an active diluent, an antifoaming agent, a dust-proof agent, color filler and a photoinitiator; and the component B consists of ethyl acetate. The construction technology comprises the step of mixing the component A with the component B according to a proportion of 100:(10-15). The UV curing electrostatic spraying transparent primer wood coating provided by the invention has the advantages of good adhesion, high hardness, high production efficiency, good rubbing property, no activation period, good fullness, little organic volatile matter, high drying speed and simplicity in construction.
Description
Technical field
The invention belongs to the technical field of coating, specifically, be a kind of (UV) ultraviolet cured woodware electrostatic spraying transparent priming woodwork coating and construction technology, refering in particular to is the form of using electrostatic spraying, the transparent priming woodwork coating of using (UV) UV-light to solidify.
Background technology
The furniture primer painting process is main with polyurethane(s) (Polyurethane, abbreviation PU is called for short urethane) or unsaturated polyester varnish (PE) mainly at present, and the levelling property of this two classes lacquer is excellent, good sanding, and adhesion performance is good.But volatile matter (VOC) content higher (about 50～60%), pot-life short (paint for preparing need use as early as possible), temperature influence is larger, and production efficiency is low, has hindered the development of furniture enterprise.
Summary of the invention
The object of the invention is to, a kind of (UV) ultraviolet cured woodware electrostatic spraying transparent priming woodwork coating and constructional method are provided, produce existing above-mentioned shortcoming and defect to overcome existing woodwork coating.The present invention is applicable to the application of the woodworks such as wood furniture, timber.
The technical problem that will solve required for the present invention can be achieved through the following technical solutions:
A kind of ultraviolet light polymerization electrostatic spraying transparent priming woodwork coating is comprised of AB two components, and the ratio of weight and number of A component and B component is 100:10-15;
The weight percent of A component prescription is:
Epoxy acrylate 15%～20%,
Modified epoxy acrylic ester 22%～30%,
Reactive thinner 26%～30%,
Color stuffing 20%～25%,
Defoamer 0.1%～0.3%,
Anti-settling agent 0.9%～1.2%,
Light trigger 5.5%～7%;
B component: vinyl acetic monomer.
Described epoxy acrylate (EA) is the 621A-80 that Changxing, Taiwan company produces.
Described modified epoxy acrylic ester (EA) adds the HS9101 of a chemical company for Shunde.
Described reactive thinner is the HS9600 pentaerythritol triacrylate (PET3A) that Shunde adds a chemical company, and tripropylene glycol diester acrylate (TPGDA) is the EM223-5 that Changxing, Taiwan company produces; 1,6 hexylene glycol diester acrylate (HDDA) is the EM221 that Changxing, Taiwan company produces, and Viscoat 295 (TMPTA) be any one and the arbitrary combination thereof of the EM231 of Changxing, Taiwan company production.
Described defoamer is any one and the arbitrary combination thereof of the TEGO920 of Bi Ke chemistry (BYK088, BYK055), Di Gao company.
Described anti-settling agent is any one and the arbitrary combination thereof of M-5 of A-200, the Tai Wei trading company of 6900HV, the goldschmidt chemical corporation of Jiangmen Fei Gao trading company.
Described color stuffing is any one and the arbitrary combination thereof of zinc powder 5N of transparent powder TM2500, the gold letter chemical industry of the holy chemical industry of talcum powder 1250, monkey of the wide company of Guangxi.
Described light trigger is any one and the arbitrary combination thereof of Changzhou Hua Tai company (Runtecure1020, Runtecure1103, Runtecure1104), Changxing company 6420, the 1113C of field company of section.
Described vinyl acetic monomer is the commercially available prod.
A kind of constructional method of ultraviolet cured woodware electrostatic spraying transparent priming woodwork coating may further comprise the steps:
(1) the A component is mixed with the ratio of ratio of weight and number 100:10-15 with the B component;
(2) with the method for electrostatic spraying woodwork is carried out application;
(3) infrared low-temperature bake then carries out UV-light UV and solidifies and can obtain finished product.
(4) according to the depth of timber conduit, can repeat after the sanding (2), (3) one to twice.
In the step (3), storing temperature is 25 ℃～35 ℃, and storing time is 3-5 minute.
In the step (3), the wavelength region of UV-light is 315-400nm.
Advantage of the present invention be have sticking power is good, hardness is high, levelling is good, prepare paint without pot-life, fullness ratio is good, rate of drying is fast, production efficiency is high, organic volatile is few, the construction is simple and convenient.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.Should be understood that following examples are only for explanation the present invention but not for limiting scope of the present invention.
The experimental technique of unreceipted actual conditions in the following example, usually according to normal condition, or the condition that manufacturer provides is carried out.
Embodiment 1
A kind of ultraviolet light polymerization electrostatic spraying transparent priming woodwork coating is comprised of AB two components.
The ratio of weight and number of A component and B component is 100:10-15,
(1) preparation A component claims raw material by the weight percent of the prescription of A component:
20 kilograms of epoxy acrylates,
22 kilograms of modified epoxy acrylic esters,
22 kilograms of tripropylene glycol diester acrylate (TPGDA),
8 kilograms of pentaerythritol triacrylates (PET3A),
0.10 kilogram of defoamer (TEGO920),
0.90 kilogram of anti-settling agent (6900HV),
20 kilograms of color stuffings (1250 talcum powder),
1 kilogram of light trigger Runtecure1020,
3.5 kilograms of light trigger Runtecure1103,
2.5 kilograms of light trigger 1113C,
Above-mentioned raw materials is added successively and fully disperses namely to can be made into the A component.
(2) preparation B composition weight:
15 kilograms of vinyl acetic monomers.
(3) mixing, is that the ratio of 100:15 is mixed with A component and the ratio of weight and number of B component.
Described epoxy acrylate is the binding substances of reactive thinner, bisphenol A-type EA and auxiliary agent, and its weight part ratio is: 50:48:2.
Described modified epoxy acrylic ester is the binding substances of bisphenol A-type EA, vinylformic acid and auxiliary agent, and its weight part ratio is: 80:18:2.
Embodiment 2
A kind of ultraviolet light polymerization electrostatic spraying transparent priming woodwork coating is comprised of AB two components.
(1) preparation A component claims raw material by the weight percent of the prescription of A component:
15 kilograms of epoxy acrylate EA,
30 kilograms of modified epoxy acrylic ester EA,
18 kilograms of Viscoat 295s (TMPTA),
8 kilograms of pentaerythritol triacrylates (PET3A),
0.30 kilogram of defoamer (TEGO920),
1.2 kilograms of anti-settling agents (6900HV),
22 kilograms of color stuffings (1250 talcum powder),
1 kilogram of light trigger Runtecure1020,
3 kilograms of light trigger Runtecure1103,
1.5 kilograms of light trigger 1113C.
(2) preparation B weight percentages of components:
10 kilograms of vinyl acetic monomers.
(3) mixing, is that the ratio of 100:10 is mixed with A component and the ratio of weight and number of B component.Embodiment 3
A kind of ultraviolet light polymerization electrostatic spraying transparent priming woodwork coating is comprised of AB two components.
(1) preparation A component claims raw material by the weight percent of the prescription of A component:
18 kilograms of epoxy acrylates,
22 kilograms of modified epoxy acrylic esters,
25 kilograms of tripropylene glycol diester acrylate (TPGDA),
3 kilograms of pentaerythritol triacrylates (PET3A),
0.20 kilogram of defoamer (TEGO920),
1 kilogram of anti-settling agent (6900HV),
22 kilograms of color stuffings (1250 talcum powder),
3 kilograms of color stuffings (5N zinc powder),
0.80 kilogram of light trigger Runtecure1020,
3 kilograms of light trigger Runtecure1103,
2 kilograms of light trigger 1113C fully disperse.
(2) preparation B weight percentages of components:
12 kilograms of vinyl acetic monomers.
(3) mixing, is that the ratio of 100:12 is mixed with A component and the ratio of weight and number of B component.
The prescription of concrete each embodiment is as shown in table 1.
Table 1 embodiment 1,2 and 3 formulation ratio table (unit: Kg)
Embodiment 4
A kind of constructional method of ultraviolet cured woodware electrostatic spraying transparent priming woodwork coating may further comprise the steps:
(1) the A component is mixed with the ratio of ratio of weight and number 100:10-15 with the B component;
(2) with the method for electrostatic spraying woodwork is carried out application; Adopt the electrostatic spraying form of construction work during construction, can come adjusting coating viscosity with thinner according to room temperature height situation.
(3) infrared low-temperature bake then carries out UV-light UV and solidifies and can obtain finished product.General openly temperature is 25-35 ℃, and preferred storing temperature is 30 ℃, and storing time is 3-5 minute.
Usually adopting the wavelength region of UV-light is 315-400nm(UVA).
After testing, harmful substance contents is as follows:
Burst size of methanal≤0.1mg/L
After testing, main quality and technical index is as shown in table 2:
Table 2 main quality and technical index of the present invention and harmful substance contents
By the result of table 2 as seen, coating process of the present invention require be, mix up this product, with the method for electrostatic spraying the woodworks such as wood furniture, timber are carried out application, then infrared 30 ℃ of bakings are about 3-5 minute, carry out UV-light UV curing and can obtain finished product.
The present invention is little white thick innoxious coating, after the UV curing technology be combined, has avoided the shortcoming grown solidification value high (200 ℃), set time, can be used on the base material of this class non-refractory of timber and plastics.
The present invention has also overcome the detrimentally affect of hot setting to coating performance, the solidification process of paint film has been controlled in melting and photocuring two steps operation more accurately, reach desirable paint film planeness, the potential using value that especially this technology may be aspect the applications such as timber and wooden artwork.
Advantage of the present invention is: sticking power is good, fullness ratio is good, processing temperature is low, lack without pot-life, production efficiency height, organic volatile etc.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the specification sheets just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (11)
1. a ultraviolet light polymerization (UV) electrostatic spraying transparent priming woodwork coating is characterized in that, is comprised of A, B two components, and the ratio of weight and number of A component and B component is 100:10-15;
The weight percent of the prescription of A component is:
Epoxy acrylate 15%～20%,
Modified epoxy acrylic ester 22%～30%,
Reactive thinner 26%～30%,
Color stuffing 20%～25%,
Defoamer 0.1%～0.3%,
Anti-settling agent 0.9%～1.2%,
Light trigger 5.5%～7%;
The B component:
Vinyl acetic monomer.
2. ultraviolet light polymerization according to claim 1 (UV) electrostatic spraying transparent priming woodwork coating is characterized in that described epoxy acrylate is the binding substances of reactive thinner, bisphenol A-type EA and auxiliary agent, and its weight part ratio is: 50:48:2.
3. ultraviolet light polymerization according to claim 1 (UV) electrostatic spraying transparent priming woodwork coating is characterized in that described modified epoxy acrylic ester is the binding substances of bisphenol A-type EA, vinylformic acid and auxiliary agent, and its weight part ratio is: 80:18:2.
4. ultraviolet light polymerization according to claim 1 (UV) electrostatic spraying transparent priming woodwork coating, it is characterized in that, described reactive thinner is any one and arbitrary combination thereof of pentaerythritol triacrylate, tripropylene glycol diester acrylate, 1,6 hexylene glycol diester acrylate, Viscoat 295.
5. ultraviolet light polymerization according to claim 1 (UV) electrostatic spraying transparent priming woodwork coating is characterized in that, described defoamer is any one and the arbitrary combination thereof of BYK088, BYK055, TEGO920.
6. ultraviolet light polymerization according to claim 1 (UV) electrostatic spraying transparent priming woodwork coating is characterized in that, described anti-settling agent is any one and the arbitrary combination thereof of 6900HV, A-200, M-5.
7. ultraviolet light polymerization according to claim 1 (UV) electrostatic spraying transparent priming woodwork coating is characterized in that, described color stuffing is any one and arbitrary combination thereof of 1250 talcum powder, TM2500 transparent powder, 5N zinc powder.
8. ultraviolet light polymerization according to claim 1 (UV) electrostatic spraying transparent priming woodwork coating, it is characterized in that described light trigger is any one and arbitrary combination thereof of Runtecure1020, Runtecure1103, Runtecure1104, the field 1113C of section, Changxing company 6420.
9. the constructional method of a ultraviolet light polymerization as claimed in claim 1 (UV) electrostatic spraying transparent priming woodwork coating may further comprise the steps:
(1) the A component is mixed with the ratio of ratio of weight and number 100:10-15 with the B component;
(2) with the method for electrostatic spraying woodwork is carried out application;
(3) infrared low-temperature bake then carries out UV-light UV and solidifies and can obtain finished product;
(4) according to the depth of timber conduit, can repeat after the sanding (2), (3) one to twice.
10. constructional method according to claim 9 is characterized in that, in the described step (3), storing temperature is 25 ℃～35 ℃, and storing time is 3-5 minute.
11. constructional method according to claim 9 is characterized in that, in the described step (3), the wavelength region of UV-light is 315-400nm.
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| CN2012105076756A CN102977739A (en) | 2012-11-29 | 2012-11-29 | Ultraviolet (UV) curing electrostatic spraying transparent primer wood coating and construction method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104530962A (en) * | 2014-12-17 | 2015-04-22 | 宜兴市宁沪精细化工厂 | Waterborne UV wood paint coating and preparation method thereof |
| CN105820679A (en) * | 2016-04-28 | 2016-08-03 | 安徽开林新材料股份有限公司 | Transparent primer for solid wood furniture |
| CN107344165A (en) * | 2017-06-29 | 2017-11-14 | 北京展辰新材料有限公司 | A kind of Recombinant Wood coating process |
| CN108047784A (en) * | 2017-12-25 | 2018-05-18 | 中山市得高行知识产权中心（有限合伙） | A kind of UV showerings flexibility light top coat top coat coating |
| CN111440512A (en) * | 2020-06-02 | 2020-07-24 | 上海展辰涂料有限公司 | UV (ultraviolet) bright gold oil coating for pencil dipping head |
| CN112625585A (en) * | 2020-12-18 | 2021-04-09 | 安徽银禾木业有限公司 | Anti-cracking ultraviolet curing coating for solid wood board and preparation method thereof |
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| US20120115977A1 (en) * | 2010-11-05 | 2012-05-10 | Martin David C | Dual Cure Coating Compositions, Methods of Coating A Substrate, and Related Coated Substrates |
| CN102477245A (en) * | 2010-11-26 | 2012-05-30 | 湖南晟通科技集团有限公司 | Ultraviolet light curing anticorrosion paint and its preparation method |
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2012
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120115977A1 (en) * | 2010-11-05 | 2012-05-10 | Martin David C | Dual Cure Coating Compositions, Methods of Coating A Substrate, and Related Coated Substrates |
| CN102477245A (en) * | 2010-11-26 | 2012-05-30 | 湖南晟通科技集团有限公司 | Ultraviolet light curing anticorrosion paint and its preparation method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104530962A (en) * | 2014-12-17 | 2015-04-22 | 宜兴市宁沪精细化工厂 | Waterborne UV wood paint coating and preparation method thereof |
| CN105820679A (en) * | 2016-04-28 | 2016-08-03 | 安徽开林新材料股份有限公司 | Transparent primer for solid wood furniture |
| CN107344165A (en) * | 2017-06-29 | 2017-11-14 | 北京展辰新材料有限公司 | A kind of Recombinant Wood coating process |
| CN107344165B (en) * | 2017-06-29 | 2021-03-02 | 濮阳展辰新材料有限公司 | Coating method of technical wood |
| CN108047784A (en) * | 2017-12-25 | 2018-05-18 | 中山市得高行知识产权中心（有限合伙） | A kind of UV showerings flexibility light top coat top coat coating |
| CN111440512A (en) * | 2020-06-02 | 2020-07-24 | 上海展辰涂料有限公司 | UV (ultraviolet) bright gold oil coating for pencil dipping head |
| CN112625585A (en) * | 2020-12-18 | 2021-04-09 | 安徽银禾木业有限公司 | Anti-cracking ultraviolet curing coating for solid wood board and preparation method thereof |
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Application publication date: 20130320 |