CN103018212B - A kind of method of quick detection emulsion paint film stain resistance - Google Patents
A kind of method of quick detection emulsion paint film stain resistance Download PDFInfo
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- CN103018212B CN103018212B CN201210502200.8A CN201210502200A CN103018212B CN 103018212 B CN103018212 B CN 103018212B CN 201210502200 A CN201210502200 A CN 201210502200A CN 103018212 B CN103018212 B CN 103018212B
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Abstract
The present invention announces emulsion paint quality testing field, a kind of method particularly to quick detection emulsion paint film stain resistance, comprise the following steps: to measure the Primitive reflex coefficient of coating test plate (panel) after maintenance at least three position, average as A, test plate (panel) complete wetting takes out after 1min in exquisite Semen Lini oil, strike off exquisite Semen Lini oil unnecessary on coating surface, flyash spills on the coating surface until being completely covered, temperature 21 25 DEG C, test after 45 55% times dry 12h of relative humidity, flusher water tank adds 15L water, open valve and rinse model to maximum, the most mobile model, make each position of model can be through current point；Rinse 1min, close valve, after model dries 30min at 48 52 DEG C, at least three position measures the reflection coefficient of coating model, averages as B；Calculate the stain resistance of coating by decline rate of reflectance；The present invention can be greatly shortened the detection cycle, it is ensured that the new emulsion paint film stain resistance detection method that testing result is stable.
Description
Technical field
The invention belongs to emulsion paint quality testing field, be specifically related to a kind of quickly detection emulsion paint film stain resistance
Method.
Background technology
Existing emulsion paint coating stain resistance experimental technique is based on GB/T 9755-2001 " synthetic resin emulsion exterior wall
Coating " appendix A；It is embodied as step:
1. principle:
This method uses flyash as pollution medium, it is brushed on coating model together with water blending；After Gan
Rinse with water, after the circulation of regulation, measure the rate of descent of coating reflection coefficient, represent the stain resistance of coating with this；
2. main material, instrument and device:
Flyash, reflectance meter meet 4.3 regulations, sensibility of balance 0.1g, banister brush width (25 in GB/T 9270-1988
～50) mm.；
3. flusher employing traditional approach:
Water tank, water pipe and sample plate frame are made with antirust hard material；
4. test:
(1). the preparation of water of coal ash: weigh appropriate flyash in mixing container, mixes with 1:1 (quality) ratio with water
Close uniformly；
(2). operation: measure the Primitive reflex coefficient of the coating test plate (panel) after maintenance at least three position, take it and put down
Average, is designated as A；Brush the most longitudinally staggered for (0.6-0.8) g water of coal ash equably on the coating surface with banister brush,
(21-25) DEG C, be dried 2h under the conditions of relative humidity (45-55) % after, be placed on sample plate frame；Flusher water tank will add 15L
Water, opens valve and rinses model to maximum；Should constantly move model during flushing, make each position of model can be through current point；Punching
Washing 1min, close valve, be dried to second day by model under the conditions of (21-25) DEG C, relative humidity (45-55) %, this is one
Circulation, about 24h；Continue to test to circulation 5 times by above-mentioned brushing and purging method, at least three position measures coating sample
The reflection coefficient of plate, takes its meansigma methods, is designated as B；Water in water tank all should be added to 15L before rinsing test plate (panel) every time；
5. calculate
The stain resistance of coating is represented by decline rate of reflectance:
In formula: X coating decline rate of reflectance；A coating initiates average reflection coefficient；B coating is after staining test
Average reflection coefficient；Result takes the arithmetic mean of instantaneous value of three pieces of models, and the relative error of parallel assay should be not more than 10%.
Remarks: the film-forming method of emulsion paint to be measured is that 120 μm bars are scraped one time, from dry 6 hours, then scrape one by 80 μm bars
Time, after surface drying, model is placed on maintenance 7 days under the conditions of (21-25) DEG C, relative humidity (45-55) %, above-mentioned survey can be carried out
Examination；The shortcoming of the method is to detect excessive cycle.
Summary of the invention
It is an object of the invention to provide one and can be greatly shortened the detection cycle, and also ensure that stable new of testing result
Emulsion paint film stain resistance detection method.
The side of a kind of quick detection emulsion paint film stain resistance is the technical scheme is that for realizing the purpose of the present invention
Method, it is characterised in that: comprise the following steps:
(1). at least three position, measure the Primitive reflex coefficient of the coating test plate (panel) after maintenance, take its meansigma methods,
It is designated as A；
(2). taking out behind in coating test plate (panel) complete wetting to exquisite Semen Lini oil 1 minute, it is unnecessary to strike off on coating surface
Exquisite Semen Lini oil standby；
(3). flyash is spilt on the coating surface until being completely covered and exposing without ground, in temperature (21-25 DEG C), phase
Test after being dried 12h under the conditions of humidity (45-55) %；
(4). model to be measured is placed on sample plate frame；By flusher water tank adds 15L water, open valve to favourable opposition
Wash model；Should constantly move model during flushing, make each position of model can be through current point；Rinse 1min, close valve；
(5). after being dried 30 minutes under the conditions of (48-52) DEG C by model, at least three position measures coating model
Reflection coefficient, take its meansigma methods, be designated as B；
(6). the stain resistance calculating coating is represented by decline rate of reflectance X:
In formula: X coating decline rate of reflectance；A coating initiates average reflection coefficient；B coating is after staining test
Average reflection coefficient；
(7). result takes the arithmetic mean of instantaneous value of three pieces of models, and the relative error of parallel assay should be not more than 10%.
The acid number of described exquisite Semen Lini oil is (5.0-7.0) mgKOH/g.
The film-forming method of described survey emulsion paint is that 120 μm bars are scraped one time, from dry 2 hours, then scrapes one time by 80 μm bars,
Above-mentioned test can be carried out after drying 4 hours under the conditions of model is placed on after surface drying (78-82) DEG C.
The method of a kind of quick detection emulsion paint film stain resistance of the present invention, in terms of four to the present invention with
Now contrast with the carrying out of method:
1. in terms of the time used from early stage emulsion paint film-forming process
A: the present invention is 80 DEG C dries 4 hours；
B: existing method is normal temperature self-drying 168 hours；
2. in terms of plate-making method
A: the present invention is first to invade the exquisite Semen Lini oil of profit, after at powder coal ash above；
B: existing method is that flyash mixes with water 1:1, brushes on test board afterwards；
3. in terms of flush cycle number of times
A: the present invention is 1 flush cycle；
B: existing method is 5 flush cycle；
4. in terms of making sheet afterflush number of times
A: the present invention is to rinse for 1 time；
B: existing method is to rinse for 5 times.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be described in detail.
A kind of method of quick detection emulsion paint film stain resistance, comprises the following steps:
(1). at least three position, measure the Primitive reflex coefficient of the coating test plate (panel) after maintenance, take its meansigma methods,
It is designated as A；
(2). taking out behind in coating test plate (panel) complete wetting to exquisite Semen Lini oil 1 minute, it is unnecessary to strike off on coating surface
Exquisite Semen Lini oil standby；
(3). flyash is spilt on the coating surface until being completely covered and exposing without ground, in temperature (21-25) DEG C, phase
Test after being dried 12h under the conditions of humidity (45-55) %；
(4). model to be measured is placed on sample plate frame；By flusher water tank adds 15L water, open valve to favourable opposition
Wash model；Should constantly move model during flushing, make each position of model can be through current point；Rinse 1min, close valve；
(5). after being dried 30 minutes under the conditions of (48-52) DEG C by model, at least three position measures coating model
Reflection coefficient, take its meansigma methods, be designated as B；
(6). the stain resistance calculating coating is represented by decline rate of reflectance:
In formula: X coating decline rate of reflectance；A coating initiates average reflection coefficient；B coating is after staining test
Average reflection coefficient；
(7). result takes the arithmetic mean of instantaneous value of three pieces of models, and the relative error of parallel assay should be not more than 10%.
Claims (2)
1. the method for a quick detection emulsion paint film stain resistance, it is characterised in that: comprise the following steps:
(1). at least three position, measure the Primitive reflex coefficient of the coating model after maintenance, take its meansigma methods, be designated as
A；
(2). take out behind in coating model complete wetting to exquisite Semen Lini oil 1 minute, strike off essence unnecessary on coating surface
Cause Semen Lini oil is standby；
(3). flyash is spilt on the coating surface until being completely covered and exposing without ground, at temperature 21-25 DEG C, relative humidity
Test after being dried 12h under the conditions of 45-55%；
(4). model to be measured is placed on sample plate frame；Flusher water tank will add 15L water, open valve to maximum lavage specimens
Plate；Should constantly move model during flushing, make each position of model can be through current point；Rinse 1min, close valve；
(5). after model is dried 30 minutes under the conditions of 48-52 DEG C, at least three position measures the reflection of coating model
Coefficient, takes its meansigma methods, is designated as B；
(6). calculating the stain resistance of coating, the stain resistance of described coating is represented by decline rate of reflectance X；
(7). result takes the arithmetic mean of instantaneous value of three pieces of models, and the relative error of parallel assay should be not more than 10%；
The acid number of described exquisite Semen Lini oil is 5.0-7.0mgKOH/g.
The method of a kind of quick detection emulsion paint film stain resistance the most according to claim 1, it is characterised in that: described
The film-forming method of emulsion paint film be that 120 μm bars are scraped one time, from dry 2 hours, then scrape one time by 80 μm bars, after surface drying
Above-mentioned detection can be carried out after drying 4 hours under the conditions of model is placed on 78-82 DEG C.
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| CN201210502200.8A CN103018212B (en) | 2012-11-30 | 2012-11-30 | A kind of method of quick detection emulsion paint film stain resistance |
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| CN201210502200.8A CN103018212B (en) | 2012-11-30 | 2012-11-30 | A kind of method of quick detection emulsion paint film stain resistance |
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| CN103018212B true CN103018212B (en) | 2016-08-03 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940843B (en) * | 2014-04-24 | 2016-06-15 | 东方电气集团东方锅炉股份有限公司 | A kind of test method of discrimination of boiler fired coal contamination |
| CN105628624B (en) * | 2014-10-31 | 2018-03-30 | 立邦涂料（中国）有限公司 | The method and application specific standard polluter of a kind of Fast Evaluation coated plate stain resistance |
| CN104458395B (en) * | 2014-12-01 | 2017-02-22 | 中国建材检验认证集团股份有限公司 | Pollution source with coating contamination resistance, coating contamination resistance testing method and automatic contamination device |
| CN105445235B (en) * | 2015-12-11 | 2019-01-25 | 三棵树涂料股份有限公司 | A kind of method of quick detection emulsion paint film stain resistance |
| CN106353455B (en) * | 2016-08-31 | 2018-07-24 | 天津天涂豪邦涂料有限公司 | Synthetic resin emulsion coating for internal and external wall contaminated resistance test device |
| CN106596585A (en) * | 2016-12-14 | 2017-04-26 | 立邦涂料(成都)有限公司 | Quick detection method of emulsion paint film cracking |
| CN106769386A (en) * | 2016-12-14 | 2017-05-31 | 立邦涂料(成都)有限公司 | A kind of method for quick of woodcare paint glossiness |
| CN109765167B (en) * | 2018-12-12 | 2022-05-20 | 常熟巴德富科技有限公司 | Method for testing stain resistance and weather resistance of texture coating |
| CN109580569A (en) * | 2018-12-28 | 2019-04-05 | 蜂巢能源科技有限公司 | The detection device of coating slurry |
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| CN1521224A (en) * | 2003-01-27 | 2004-08-18 | 广州市星冠化工有限公司 | Nanometer paint for wall surface |
| CN101210154A (en) * | 2006-12-30 | 2008-07-02 | 3M创新有限公司 | Staining-proof coating composition and application thereof |
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| CN102002166A (en) * | 2010-10-11 | 2011-04-06 | 中国海洋石油总公司 | Hydroxylated polyurethane water dispersoid for waterborne soft-feel coating and preparation method thereof |
| CN202351174U (en) * | 2011-10-31 | 2012-07-25 | 立邦涂料（中国）有限公司 | Device for testing stain resistance of interior wall emulsion paint |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002356671A (en) * | 2001-05-31 | 2002-12-13 | Asahi Glass Co Ltd | Water- and oil-repellent composition |
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| CN1521224A (en) * | 2003-01-27 | 2004-08-18 | 广州市星冠化工有限公司 | Nanometer paint for wall surface |
| CN101210154A (en) * | 2006-12-30 | 2008-07-02 | 3M创新有限公司 | Staining-proof coating composition and application thereof |
| CN101299072A (en) * | 2008-07-02 | 2008-11-05 | 中国乐凯胶片集团公司 | Anti-fouling anti-scratching film |
| CN102002166A (en) * | 2010-10-11 | 2011-04-06 | 中国海洋石油总公司 | Hydroxylated polyurethane water dispersoid for waterborne soft-feel coating and preparation method thereof |
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