CN101284392A - Hot air drying technique of water paint coatings for wooden furniture - Google Patents
Hot air drying technique of water paint coatings for wooden furniture Download PDFInfo
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- CN101284392A CN101284392A CNA2008100249061A CN200810024906A CN101284392A CN 101284392 A CN101284392 A CN 101284392A CN A2008100249061 A CNA2008100249061 A CN A2008100249061A CN 200810024906 A CN200810024906 A CN 200810024906A CN 101284392 A CN101284392 A CN 101284392A
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Abstract
The invention discloses a hot airing process for a wood furniture used water paint coat. The process comprises four steps as follows: the first step is blank sanding; the second step is a first spray coating, drying and sanding as well as a second spray coating, drying and sanding of the water sealing primer; the third step is a first spray coating, drying and sanding as well as a second spray coating, drying and sanding of the water primer; and the fourth step is a first spray coating, drying and sanding as well as a second spray coating and drying of the water finishing coat. The invention provides technological parameter such as drying temperature, humidity, drying time and so on in each step. The invention is the drying technology which carries hot airing on the water paint coat, improves drying velocity and ensures drying quality in the controllable dry condition with constant temperature and constant humidity.
Description
Technical field
The present invention relates to a kind of hot air drying technique of wooden furniture use coating, be intended to improve the rate of drying and the painting quality of water paint.
Background technology
China is furniture big producing country, a large amount of woodcare paint of annual consumption.A large amount of at present solvent-borne type woodcare paints that use as the polyurethane carpentry paint of use amount maximum, contain a large amount of virose organic solvents, and the organic compound discharge capacity is higher, the serious harm ecological environment.At present, furniture is covered with paint, lacquer, colour wash, etc. the problem of environmental pollution that is caused, and has caused the concern of the whole society, is a major issue that needs improvement.
Water-borne wood coating be with water to replace organic solvent as decentralized medium, significantly reduced the volatilization of organic solvent, reduced harm to atmosphere and human body, also reduced the danger of breaking out of fire in the work progress.At present, water-borne wood coating has become the market best-selling product in countries such as America and Europes, just quietly rises in China.
From preserving the ecological environment and the angle of human health, we should use water-borne wood coating as much as possible.Water-borne wood coating and covering with paint technology itself thereof are new problems, the people of current research water paint is many, the people that the research water paint is covered with paint, lacquer, colour wash, etc. technology is few, though there is the research report of water paints such as polyurethane aqueous dispersion body in China, the research that relates to wooden furniture industrialization covering with paint process application field is extremely rare.
Be subjected to the research of the bigger characteristics of the influence of environment temperature, humidity by and construction long, targetedly hot air drying technique research of water-borne coating had important use and be worth water-borne coating drying time.
Summary of the invention
The present invention seeks in order to guarantee painting quality and to improve and cover with paint, lacquer, colour wash, etc. work efficiency, a kind of water-borne coating hot air drying technique is provided, this technology is not only the important channel of improving drying efficiency, and is the major issue of developping production, and has important use and is worth.
The technical solution adopted for the present invention to solve the technical problems is divided into four-stage:
(1) openpore sanding;
(2) carry out first pass spraying, drying and sand milling and second time spraying, drying and sand milling of watersoluble closed priming paint;
(3) carry out first pass spraying, drying and sand milling and second time spraying, drying and sand milling of aqueous priming paint;
(4) carry out first pass spraying, drying and the sand milling of aqueous finish paint and second time spraying and dry.
Described second stage is carried out in the first pass and second time spraying coating process of watersoluble closed priming paint, whenever is controlled at 58～62g/m all over coating weight
2
Described second stage is carried out in the first pass drying process of watersoluble closed priming paint, and baking temperature is controlled at 50～60 ℃, relative humidity and is controlled at 40～60%, carries out drying 6～8min.
Described second stage is carried out in second time drying process of watersoluble closed priming paint, and baking temperature is controlled at 50～60 ℃, relative humidity and is controlled at 40～60%, carries out drying 9～11min.
The described phase III carries out in the first pass and second time spraying coating process of aqueous priming paint, whenever is controlled at 98～102g/m all over coating weight
2
The described phase III carries out in the first pass drying process of aqueous priming paint, and baking temperature is controlled at 30～40 ℃, relative humidity and is controlled at 40～60%, carries out drying 16～18min.
The described phase III carries out in second time drying process of aqueous priming paint, and baking temperature is controlled at 30～40 ℃, relative humidity and is controlled at 40～60%, carries out drying 22～24mi n.
Described quadravalence section is carried out in the first pass and second time spraying coating process of aqueous finish paint, whenever is controlled at 118～122g/m all over coating weight
2
Described quadravalence section is carried out in the first pass drying process of aqueous finish paint, and baking temperature is controlled at 30～40 ℃, relative humidity and is controlled at 65～70%, carries out drying 50～52min.
Described quadravalence section is carried out in second time drying process of aqueous finish paint, and baking temperature is controlled at 30～40 ℃, relative humidity and is controlled at 65～70%, carries out drying 40～42min.
The present invention is according to standard GB 4893.4-85, with paint film adhesion multipurpose dry film test instrument PIG the sheet material of this technology drying carried out the adhesive force test.Under stereomicroscope, observe paint film spalling situation in the cutting grid, and the lattice number of statistics score infall paint film spalling.The percentage that accounts for whole cutting grids with the lattice number of paint film spalling is estimated the quality of paint film adhesion.By test, the paint film property of the dry sheet material of this technology has all reached the requirement of the indoor water-borne wood coating of national standard HG/T3828-2006.
The invention has the beneficial effects as follows, can under the prerequisite that guarantees the water paint painting quality, raise the efficiency.
Description of drawings
Accompanying drawing is the hot air drying technique flow chart of the water paint coatings for wooden furniture of this invention
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described:
1. material
(1) base material: book size is 300 * 400mm maple thin wood faced plate, and veneer thickness is 0.6mm, and substrate is a 18mm poplar multi-plywood, moisture content 9.75～10.36%
(2) water paint: water-based phenylpropyl alcohol seal coat, aqueous acrylamide acid primer, aqueous acrylic modified polyurethane matt varnish
(3) sand paper: model is the sand paper of 320#, 400#, 600#, 800#
2. instrument and equipment
(1) portable semi-automatic sand mill
(2) cover with paint, lacquer, colour wash, etc. the equipment of using:
1. spray gun
2. air pressure pump
3. sensibility reciprocal is the electronic balance of 0.01g
4. constant temperature and humidity room
(3) the hot-air drying equipment is constant temperature, constant moisture test case LA-TH 2005
3. technological process
(1) step 1: openpore sanding
Selecting book size for use is 300 * 400mm maple thin wood faced plate, and veneer thickness is 0.6mm, and substrate is a 18mm poplar multi-plywood, the base material of moisture content 9.75～10.36%, use portable semi-automatic sand mill to carry out Manual machine sand, 320# sand paper is selected in sanding for use, and along direction sand milling along the grain.
(2) step 2: the watersoluble closed priming paint of spraying first pass
Use spray gun spraying water-based phenylpropyl alcohol seal coat on the sanding base material, requiring every is 60g/m all over coating weight
2, strict control coating weight, and spraying is wanted evenly.
(3) step 3: the watersoluble closed priming paint of dry first pass
Using hot-air drying equipment chamber (LA-TH 2005), is 55 ℃ in temperature, and humidity is under 50% the condition dry 6.5 minutes.
(4) step 4: the watersoluble closed priming paint of sand milling first pass
Use portable semi-automatic sand mill to carry out Manual machine sand, 400# sand paper is selected in sanding for use, and along the grain direction polishing, must guard against can not plunge grinding.During sand milling, careful careful, guard against worn out show-through.
(5) step 5: spray second time watersoluble closed priming paint
Use spray gun spraying water-based phenylpropyl alcohol seal coat on the sanding base material, requiring every is 60g/m all over coating weight
2, strict control coating weight, and spraying is wanted evenly.
(6) step 6: dry second time watersoluble closed priming paint
Using hot-air drying equipment chamber (LA-TH 2005), is 55 ℃ in temperature, and humidity is under 50% the condition dry 9 minutes.
(7) step 7: second time watersoluble closed priming paint of sand milling
Use portable semi-automatic sand mill to carry out Manual machine sand, 400# sand paper is selected in sanding for use, and along the grain direction polishing, must guard against can not plunge grinding.During sand milling, careful careful, guard against worn out show-through.
(8) step 8: spraying first pass aqueous priming paint
Use spray gun spraying the aqueous acrylamide acid primer on the sanding base material, requiring every is 100g/m all over coating weight
2, strict control coating weight, and spraying is wanted evenly.
(9) step 9: dry first pass aqueous priming paint
Using hot-air drying equipment chamber (LA-TH 2005), is 35 ℃ in temperature, and humidity is under 50% the condition dry 16 minutes.
(10) step 10: sand milling first pass aqueous priming paint
Use portable semi-automatic sand mill to carry out Manual machine sand, 600# sand paper is selected in sanding for use, and along the grain direction polishing, must guard against can not plunge grinding.During sand milling, careful careful, guard against worn out show-throughly, and remove abrasive dust timely.
(11) step 11: spray second time aqueous priming paint
Use spray gun spraying the aqueous acrylamide acid primer on the sanding base material, requiring every is 100g/m all over coating weight
2, strict control coating weight, and spraying is wanted evenly.
(12) step 12: dry second time aqueous priming paint
Using hot-air drying equipment chamber (LA-TH 2005), is 35 ℃ in temperature, and humidity is under 50% the condition dry 22 minutes.
(13) step 13: second time aqueous priming paint of sand milling
Use portable semi-automatic sand mill to carry out Manual machine sand, 600# sand paper is selected in sanding for use, and along the grain direction polishing, must guard against can not plunge grinding.During sand milling, careful careful, guard against worn out show-throughly, and remove abrasive dust timely.
(14) step 14: spraying first pass aqueous finish paint
Use spray gun spraying aqueous acrylic modified polyurethane matt varnish on the sanding base material, requiring every is 120g/m all over coating weight
2, strict control coating weight, and spraying is wanted evenly.
(15) step 15: dry first pass aqueous finish paint
Using hot-air drying equipment chamber (LA-TH 2005), is 35 ℃ in temperature, and humidity is under 70% the condition dry 50 minutes.
(16) step 16: sand milling first pass aqueous finish paint
Use portable semi-automatic sand mill to carry out Manual machine sand, 800# sand paper is selected in sanding for use, along the grain direction polishing, and removes emerging particle.
(17) step 17: spray second time aqueous finish paint
Use spray gun spraying aqueous acrylic modified polyurethane matt varnish on the sanding base material, requiring every is 120g/m all over coating weight
2, strict control coating weight, and spraying is wanted evenly.
(18) step 18: dry second time aqueous finish paint
Using hot-air drying equipment chamber (LA-TH 2005), is 35 ℃ in temperature, and humidity is under 70% the condition dry 40 minutes.
Claims (10)
1. the hot air drying technique of a water paint coatings for wooden furniture, it is characterized in that: in controlled constant temperature and humidity drying environment, water-borne coating is carried out the hot-air drying, improve rate of drying, guarantee the drying technique of dry mass, this technology is divided into four-stage:
(1) openpore sanding;
(2) carry out first pass spraying, drying and sand milling and second time spraying, drying and sand milling of watersoluble closed priming paint;
(3) carry out first pass spraying, drying and sand milling and second time spraying, drying and sand milling of aqueous priming paint;
(4) carry out first pass spraying, drying and the sand milling of aqueous finish paint and second time spraying and dry.
2. the hot air drying technique of water paint coatings for wooden furniture according to claim 1 is characterized in that: second stage is carried out in the first pass and second time spraying coating process of watersoluble closed priming paint, whenever is controlled at 58～62g/m all over coating weight
2
3. the hot air drying technique of water paint coatings for wooden furniture according to claim 1, it is characterized in that: second stage is carried out in the first pass drying process of watersoluble closed priming paint, and baking temperature is controlled at 50～60 ℃, relative humidity and is controlled at 40～60%, carries out drying 6～8min.
4. the hot air drying technique of water paint coatings for wooden furniture according to claim 1, it is characterized in that: second stage is carried out in second time drying process of watersoluble closed priming paint, and baking temperature is controlled at 50～60 ℃, relative humidity and is controlled at 40～60%, carries out drying 9～11min.
5. the hot air drying technique of water paint coatings for wooden furniture according to claim 1 is characterized in that: the phase III carries out in the first pass and second time spraying coating process of aqueous priming paint, whenever is controlled at 98～102g/m all over coating weight
2
6. the hot air drying technique of water paint coatings for wooden furniture according to claim 1, it is characterized in that: the phase III carries out in the first pass drying process of aqueous priming paint, and baking temperature is controlled at 30～40 ℃, relative humidity and is controlled at 40～60%, carries out drying 16～18min.
7. the hot air drying technique of water paint coatings for wooden furniture according to claim 1, it is characterized in that: the phase III carries out in second time drying process of aqueous priming paint, and baking temperature is controlled at 30～40 ℃, relative humidity and is controlled at 40～60%, carries out drying 22～24min.
8. the hot air drying technique of water paint coatings for wooden furniture according to claim 1 is characterized in that: the quadravalence section is carried out in the first pass and second time spraying coating process of aqueous finish paint, whenever is controlled at 118～122g/m all over coating weight
2
9. the hot air drying technique of water paint coatings for wooden furniture according to claim 1, it is characterized in that: the quadravalence section is carried out in the first pass drying process of aqueous finish paint, and baking temperature is controlled at 30～40 ℃, relative humidity and is controlled at 65～70%, carries out drying 50～52min.
10. the hot air drying technique of water paint coatings for wooden furniture according to claim 1, it is characterized in that: the quadravalence section is carried out in second time drying process of aqueous finish paint, and baking temperature is controlled at 30～40 ℃, relative humidity and is controlled at 65～70%, carries out drying 40～42min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100249061A CN101284392A (en) | 2008-05-20 | 2008-05-20 | Hot air drying technique of water paint coatings for wooden furniture |
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|---|---|---|---|
| CNA2008100249061A CN101284392A (en) | 2008-05-20 | 2008-05-20 | Hot air drying technique of water paint coatings for wooden furniture |
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| CN101284392A true CN101284392A (en) | 2008-10-15 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814271A (en) * | 2012-08-27 | 2012-12-12 | 常熟市福达红木家具厂 | Permanently bright redwood furniture |
| CN103056080A (en) * | 2012-12-17 | 2013-04-24 | 广东尚高科技有限公司 | Coating method of bathroom furniture materials and bathroom furniture material |
| CN104260503A (en) * | 2014-10-28 | 2015-01-07 | 南京林业大学 | Coating and coating method for surface coating of low-quality modified aspen furniture |
| CN106362926A (en) * | 2016-08-29 | 2017-02-01 | 广东花王涂料有限公司 | One-component thermoplastic acrylic paint coating technology |
| CN107029968A (en) * | 2016-11-23 | 2017-08-11 | 江门市新会区森木古典家具有限公司 | A kind of processing technology of mahogany furniture nano surface coating |
| CN107962644A (en) * | 2017-11-14 | 2018-04-27 | 安徽建联木业有限公司 | A kind of humidity solid wood furniture plank processing technology |
| CN109808019A (en) * | 2019-01-21 | 2019-05-28 | 北京宏森木业有限公司 | A kind of combination door-plate manufacture craft |
| CN111117381A (en) * | 2019-12-24 | 2020-05-08 | 大连好友装饰材料有限公司 | Water-based seal primer applied to paint-free veneering paper of panel furniture and preparation method thereof |
| CN115121465A (en) * | 2022-05-31 | 2022-09-30 | 书香门地集团股份有限公司 | Water-based coating process for wood floor |
-
2008
- 2008-05-20 CN CNA2008100249061A patent/CN101284392A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814271A (en) * | 2012-08-27 | 2012-12-12 | 常熟市福达红木家具厂 | Permanently bright redwood furniture |
| CN103056080A (en) * | 2012-12-17 | 2013-04-24 | 广东尚高科技有限公司 | Coating method of bathroom furniture materials and bathroom furniture material |
| CN103056080B (en) * | 2012-12-17 | 2015-04-22 | 广东尚高科技有限公司 | Coating method of bathroom furniture materials and bathroom furniture material |
| CN104260503A (en) * | 2014-10-28 | 2015-01-07 | 南京林业大学 | Coating and coating method for surface coating of low-quality modified aspen furniture |
| CN106362926A (en) * | 2016-08-29 | 2017-02-01 | 广东花王涂料有限公司 | One-component thermoplastic acrylic paint coating technology |
| CN107029968A (en) * | 2016-11-23 | 2017-08-11 | 江门市新会区森木古典家具有限公司 | A kind of processing technology of mahogany furniture nano surface coating |
| CN107962644A (en) * | 2017-11-14 | 2018-04-27 | 安徽建联木业有限公司 | A kind of humidity solid wood furniture plank processing technology |
| CN109808019A (en) * | 2019-01-21 | 2019-05-28 | 北京宏森木业有限公司 | A kind of combination door-plate manufacture craft |
| CN111117381A (en) * | 2019-12-24 | 2020-05-08 | 大连好友装饰材料有限公司 | Water-based seal primer applied to paint-free veneering paper of panel furniture and preparation method thereof |
| CN115121465A (en) * | 2022-05-31 | 2022-09-30 | 书香门地集团股份有限公司 | Water-based coating process for wood floor |
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| ASS | Succession or assignment of patent right |
Owner name: NANJING FORESTRY UNIVERSITY Free format text: FORMER OWNER: SHEN LIMING; APPLICANT Effective date: 20081107 |
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| C10 | Entry into substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20081107 Address after: Nanjing Forestry University No. 159 Nanjing City Post encoding Longpan road in Jiangsu Province: 210037 Applicant after: Nanjing Forestry University Address before: 4418, postgraduate school of wood industry, Nanjing Forestry University, No. 159, lung pan Road, Nanjing, Jiangsu, 210037 Applicant before: Dawn Co-applicant before: Lu Zeguang Co-applicant before: Hou Jianjun |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081015 |