CN102513282A - Coating process applied to surfaces of plywood - Google Patents
Coating process applied to surfaces of plywood Download PDFInfo
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- CN102513282A CN102513282A CN2011103928719A CN201110392871A CN102513282A CN 102513282 A CN102513282 A CN 102513282A CN 2011103928719 A CN2011103928719 A CN 2011103928719A CN 201110392871 A CN201110392871 A CN 201110392871A CN 102513282 A CN102513282 A CN 102513282A
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- coating
- coating process
- face veneer
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- plywood
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Abstract
The invention discloses a coating process applied to the surfaces of plywood, which is that in a powder coating device where the layout and power of an infrared lamp tube meet the requirement that each surface of the plywood can be directly and effectively radiated, first the plywood is heated by infrared rays, heating temperature ranges from 90 DEG C to 140 DEG C, and heating time ranges from 1 minutes to 10 minutes; then low temperature curing powder paint is evenly sprayed on the surfaces of the plywood; and further the coating on the surfaces of the plywood is heated, fused and cured by the infrared rays, the heating temperature ranges from 110 DEG C to 140 DEG C, and the heating time ranges from (1) minutes to 10 minutes. The coating process applied to the surfaces of the plywood and the used powder paint have the advantages that 1 a coating procedure is simple, and forming can be finished at one step; (2) the coating is environment-friendly, no solvent and toxic volatility mater are produced and the like, thereby according with national industrial policies; (3) the powder paint can be recovered and recycled; and (4) surface coating with different lines, colors and gloss can be obtained through formula adjustment, and the decoration effect is good.
Description
Technical field
The present invention relates to a kind of coating process that is used for face veneer.
Background technology
Glued board is a kind of wood-base fibre and particle panel material that is formed by the veneer of different texture direction gummed, its adjacent layer veneer texture usually mutually at an angle of 90, mostly structure is odd-level.Little, the breadth of distortion is big because glued board has, easy construction, be difficult for characteristics such as warpage, tensile strength perpendicular to grain are big, obtains extensive use at furniture, compartment, shipbuilding, military project, packing and other industrial departments.At present the incrustation of glued board mainly adopt paster, mode such as spray paint because paster has toxic and volatile substances to discharge with spraying paint on the one hand, exist complex procedures various on the other hand, and there are problems such as edge quality instability in paster.
Powdery paints is a kind of generally acknowledged high efficiency, good film performance, ecological environment-friendly type, Eco-power 4E type coating products.Along with people's is to the progressively attention of environmental protection, problem such as energy-conservation; And make powdery paints possess many performances that are beyond one's reach of thinking in early days in the eighties in 20th century to the strict demand of coating technology; Powdery paints is the same with other green coatings, has obtained develop rapidly in the whole world.
Because the appearance of low temperature cured powder coating and infrared cure techniques not only can realize powdery paints quick curing at low temperatures, and make powdery paints can be applied to base materials such as glued board to have good application and Industry Development Prospect.
Summary of the invention
The object of the present invention is to provide a kind of technology that is used for the face veneer powder coating; This coating process can make face veneer adopt powdery paints to carry out incrustation; The all solvent-free generation when spraying and baking of powdery paints fancy plywood is crossed the powder of spray and can be recycled; Have more outstanding adhesion, hardness, shock resistance, anti-wear performance and chemical resistance with respect to paint, coating is not easy to be destroyed; And, can obtain having the face coat of multiple lines, color and gloss through the prescription adjustment, have splendid decorative effect.
A kind of coating process that is used for face veneer provided by the invention; It is characterized in that, in the layout and power each surperficial powder coating equipment directly satisfied and irradiated heat sheet effectively of infrared lamp, at first adopt the Infrared Heating glued board; Heating-up temperature is between 90 ℃-140 ℃; Evenly sprayed to face veneer with low temperature cured powder coating then heat time heating time between 1-10 minute, adopt Infrared Heating fusion and the coating of solidifying face veneer again; Heating-up temperature is between 110 ℃-140 ℃, and heat time heating time is between 1-10 minute.
The employed low temperature cured powder coating of coating process of the present invention is made up of following components in weight portions:
100～200 parts of epoxy resin
1～40 part of epoxy hardener
0～150 part of inorganic filler
0～10 part of auxiliary agent
0～5 part of texture agent
0～30 part of pigment.
In the component of above-mentioned low temperature cured powder coating, it is the epoxy resin of 600～1000g/eq that said epoxy resin is selected epoxide equivalent; Said epoxy hardener is imidazoles and derivatives class curing agent or the organic ureas curing agent of modification; Wherein imidazoles and derivatives class curing agent thereof are glyoxal ethyline, 2-ethyl-4-methylimidazole, 2-phenylimidazole, 2-ethyl imidazol(e), 2; 4-methylimidazole or 4-methylimidazole etc. and derivative thereof; The organic ureas curing agent of modification is N-(4-chlorobenzene) N, N dimethyl urea, 2, the two dimethyl ureas of 4-toluene, PDU, alicyclic two ureas or modified phenolic etc.; Said inorganic filler is one or more a mixture of titanium white powder, barium sulfate, silicon powder, calcium carbonate and mica powder; Said auxiliary agent is one or more the mixture in levelling agent, styrax, antifoaming agent and the growth agent, and wherein, levelling agent comprises 502 etc., and growth agent is EDI etc.; Said pigment comprises inorganic pigment and silver powder etc.
Coating process of the present invention and special-purpose powdery paints have following characteristics: (1) coating process is simple, one-shot forming; (2) coating environmental protection, solvent-free and toxic volatile materials generations etc. meet national industrial policies; (3) powdery paints can reclaim and recycle; (4) through the prescription adjustment, can obtain the face coat of different lines, color and gloss, decorative effect is better.
The specific embodiment
The present invention will be described to enumerate a part of instantiation below, is necessary to be pointed out that at this following specific embodiment only is used for the present invention is described further, and do not represent the restriction to protection domain of the present invention.Some nonessential modifications that other people make according to the present invention and adjustment still belong to protection scope of the present invention.
Embodiment 1
The low temperature cured powder coating that the face veneer coating process uses is made up of following components in weight portions:
Epoxide equivalent is 100 parts of the epoxy resin of 700-750g/eq
20 parts of modified phenolics
30 parts of titanium white powders
10 parts of silica flours
10 parts in barium sulfate
1.2 parts of levelling agents
0.6 part of styrax
0.8 part of antifoaming agent
0.6 part of growth agent
5 parts of pigment
Said components through take by weighing, mix, extrude by proportioning, compressing tablet, cooling, pulverizing and screening promptly get.
Embodiment 2
The low temperature cured powder coating that the face veneer coating process uses is made up of following components in weight portions:
Epoxide equivalent is 150 parts of the epoxy resin of 800-900g/eq
20 parts of glyoxal ethylines
30 parts of titanium white powders
20 parts of mica powders
20 parts in barium sulfate
1.5 parts of levelling agents
1.2 parts of styraxes
0.8 part of antifoaming agent
0.5 part of growth agent
2 parts of texture agent
5 parts of pigment
Said components through take by weighing, mix, extrude by proportioning, compressing tablet, cooling, pulverizing and screening promptly get.
Embodiment 3
The low temperature cured powder coating that the face veneer coating process uses is made up of following components in weight portions:
Epoxide equivalent is 160 parts of the epoxy resin of 700-750g/eq
10 parts of PDUs
50 parts of titanium white powders
20 parts of silica flours
20 parts of brium carbonates
1.6 parts of levelling agents
1.6 parts of styraxes
2.8 parts of antifoaming agents
1.5 parts of growth agents
2 parts of sand streak agent
5 parts of pigment
Said components through take by weighing, mix, extrude by proportioning, compressing tablet, cooling, pulverizing and screening promptly get.
Embodiment 4
Layout and power at infrared lamp satisfy in each surperficial powder coating equipment direct and irradiated heat sheet effectively; Handle the thick glued board of 15mm and (be of a size of 1200mm * 1800mm); Adopted 120 ℃ of Infrared Heating sheet materials 3 minutes; The low-temperature setting levelling type epoxide powder coating of embodiment 1 preparation is coated in face veneer, adopted 140 ℃ of infrared curings then 7 minutes, powder coated is respond well.
Embodiment 5
Layout and power at infrared lamp satisfy in each surperficial powder coating equipment direct and irradiated heat sheet effectively; Handle the thick glued board of 12mm and (be of a size of 600mm * 800mm); Adopted 100 ℃ of Infrared Heating sheet materials 5 minutes; The low-temperature setting texture type epoxide powder coating of embodiment 2 preparations is coated in face veneer, adopted 140 ℃ of infrared curings then 5 minutes, powder coated is respond well.
Embodiment 6
Layout and power at infrared lamp satisfy in each surperficial powder coating equipment direct and irradiated heat sheet effectively; Handle the thick glued board of 9mm and (be of a size of 100mm * 200mm); Adopted 130 ℃ of Infrared Heating sheet materials 2 minutes; The low-temperature setting sand streak type epoxide powder coating of embodiment 3 preparations is coated in face veneer, adopts 130 ℃ of Infrared Heating then and solidified 8 minutes, powder coated is respond well.
Claims (8)
1. coating process that is used for face veneer; It is characterized in that, in the layout and power each surperficial powder coating equipment directly satisfied and irradiated heat sheet effectively of infrared lamp, at first adopt the Infrared Heating glued board; Heating-up temperature is between 90 ℃-140 ℃; Evenly sprayed to face veneer with low temperature cured powder coating then heat time heating time between 1-10 minute, adopt Infrared Heating fusion and the coating of solidifying face veneer again; Heating-up temperature is between 110 ℃-140 ℃, and heat time heating time is between 1-10 minute.
2. the coating process that is used for face veneer according to claim 1 is characterized in that, described low temperature cured powder coating is made up of following components in weight portions:
100～200 parts of epoxy resin
1～40 part of epoxy hardener
0～150 part of inorganic filler
0～10 part of auxiliary agent
0～5 part of texture agent
0～30 part of pigment.
3. the coating process that is used for face veneer according to claim 2 is characterized in that, it is the epoxy resin of 600～1000g/eq that said epoxy resin is selected epoxide equivalent.
4. the coating process that is used for face veneer according to claim 2 is characterized in that, said epoxy hardener is imidazoles and derivatives class curing agent or the organic ureas curing agent of modification.
5. the coating process that is used for face veneer according to claim 2; It is characterized in that; Said imidazoles and derivatives class curing agent thereof are glyoxal ethyline, 2-ethyl-4-methylimidazole, 2-phenylimidazole, 2-ethyl imidazol(e), 2,4-methylimidazole or 4-methylimidazole and derivative thereof.
6. the coating process that is used for face veneer according to claim 2 is characterized in that, the organic ureas curing agent of said modification is N-(4-chlorobenzene) N, N dimethyl urea, 2, the two dimethyl ureas of 4-toluene, PDU, alicyclic two ureas or modified phenolic.
7. the coating process that is used for face veneer according to claim 2 is characterized in that, said inorganic filler is one or more a mixture of titanium white powder, barium sulfate, silicon powder, calcium carbonate and mica powder.
8. the coating process that is used for face veneer according to claim 2 is characterized in that, said auxiliary agent is one or more the mixture in levelling agent, styrax, antifoaming agent and the growth agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103928719A CN102513282A (en) | 2011-12-01 | 2011-12-01 | Coating process applied to surfaces of plywood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103928719A CN102513282A (en) | 2011-12-01 | 2011-12-01 | Coating process applied to surfaces of plywood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102513282A true CN102513282A (en) | 2012-06-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103928719A Pending CN102513282A (en) | 2011-12-01 | 2011-12-01 | Coating process applied to surfaces of plywood |
Country Status (1)
| Country | Link |
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| CN (1) | CN102513282A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103160192A (en) * | 2013-02-22 | 2013-06-19 | 安徽华辉塑业科技有限公司 | Sand texture type polyester/epoxy powder coating and preparation method thereof |
Citations (6)
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| JPH01170360A (en) * | 1987-12-23 | 1989-07-05 | Yohee Kitayoshi | Driving device |
| JPH1170360A (en) * | 1997-08-29 | 1999-03-16 | Kao Corp | Coating method |
| EP1092479A1 (en) * | 1999-10-15 | 2001-04-18 | Rohm And Haas Company | Multiple layered coating on heat-sensitive substrates |
| CN1903530A (en) * | 2006-08-07 | 2007-01-31 | 华东理工大学 | Far infrared radiation decoration veneer and its prodn. method |
| CN101164742A (en) * | 2007-02-12 | 2008-04-23 | 茂友木材工业（浙江）有限公司 | Decorative glued board for underplate of container |
| CN101747826A (en) * | 2009-11-27 | 2010-06-23 | 广州擎天实业有限公司 | Low temperature curing epoxy low-gloss powder coating and preparation method thereof |
-
2011
- 2011-12-01 CN CN2011103928719A patent/CN102513282A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01170360A (en) * | 1987-12-23 | 1989-07-05 | Yohee Kitayoshi | Driving device |
| JPH1170360A (en) * | 1997-08-29 | 1999-03-16 | Kao Corp | Coating method |
| EP1092479A1 (en) * | 1999-10-15 | 2001-04-18 | Rohm And Haas Company | Multiple layered coating on heat-sensitive substrates |
| CN1903530A (en) * | 2006-08-07 | 2007-01-31 | 华东理工大学 | Far infrared radiation decoration veneer and its prodn. method |
| CN101164742A (en) * | 2007-02-12 | 2008-04-23 | 茂友木材工业（浙江）有限公司 | Decorative glued board for underplate of container |
| CN101747826A (en) * | 2009-11-27 | 2010-06-23 | 广州擎天实业有限公司 | Low temperature curing epoxy low-gloss powder coating and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 刘国杰: "《涂料树脂合成工艺》", 30 June 2012, 化学工业出版社 * |
| 张文标: "胶合板表面粉末涂料涂饰的研究", 《木材工业》 * |
| 王宝民: "《道路建筑材料》", 31 August 2010, 中国建材工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103160192A (en) * | 2013-02-22 | 2013-06-19 | 安徽华辉塑业科技有限公司 | Sand texture type polyester/epoxy powder coating and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 510302 Xingang West Road, Guangdong, China, No. 204, No. Applicant after: China National Electric Apparatus Research Institute Co., Ltd. Co-applicant after: Qingtian Industry Co., Ltd., Guangzhou Address before: 510302 Xingang West Road, Guangdong, China, No. 204, No. Applicant before: China National Electric Apparatus Research Institute Co., Ltd. Co-applicant before: Qingtian Industry Co., Ltd., Guangzhou |
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120627 |