CN109752310A - A kind of persistent method of test reflective insulation texture paint reflective insulation - Google Patents
A kind of persistent method of test reflective insulation texture paint reflective insulation Download PDFInfo
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- CN109752310A CN109752310A CN201811518956.5A CN201811518956A CN109752310A CN 109752310 A CN109752310 A CN 109752310A CN 201811518956 A CN201811518956 A CN 201811518956A CN 109752310 A CN109752310 A CN 109752310A
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Abstract
The invention discloses a kind of persistent methods of test reflective insulation texture paint reflective insulation, comprising the following steps: 1) prepares powder of lacquer putty for use on；2) prepare 2 pieces of test plate (panel)s, upper putty and polishing；3) every piece of test plate (panel) is divided into six regions A, B, C, D, E, F, coats standard specimen in A, B, C, D region coating seal coat, then in A, B area, waits for test sample in C, D, E, F region coating, then in B, C, F region coating finishing varnish；4) it takes 1 piece of test plate (panel) as blank control plate, another 1 piece of test plate (panel) exposure, routine test and the chromatic value and sun luminous reflectance for recording each region, reflective insulation persistence is evaluated further according to test record.The present invention can really reflect the reflective insulation persistence of reflective insulation texture paint in actual use, and easy to operate, data are true and reliable, it is contemplated that the various aspects situation of practice of construction, such as: priming paint holiday, finishing varnish holiday.
Description
Technical field
The present invention relates to a kind of persistent methods of test reflective insulation texture paint reflective insulation, belong to coating quality inspection
Survey technology field.
Background technique
Reflective insulation texture paint not only has the three-dimensional sense and color of common texture coating, but also can reflect the sun
Light reduces exterior walls of buildings because of the heating caused by absorbing sunlight, achievees the purpose that reduce air conditioning energy consumption.Reflective insulation texture
Coating carries out moulding and toning using white sand, infrared external reflection titanium dioxide, cool colour slurry (or compounding mill base), have unique three-dimensional sense,
Rough surface and bright colors.However, rough surface easily stains, bright colors made of color paste toning easily fade, will lead to
The reflective insulation effect of reflective insulation texture paint is gradually reduced, so the persistent test of its reflective insulation is particularly significant.
When reflective insulation texture paint is constructed, construction handbook generally requires to be conserved and (rushed with clear water after criticizing Puttying layer
Wash 1~2 time) to reduce surface alkalinty, next process can be carried out, but do not supported to work to tight deadlines many times
Shield, causes putty substrate alkalinity very strong, and often will appear regional area priming paint holiday when large-area construction, will cause part
The accumulation of salt in the surface soil, and reflective insulation texture paint is mixed colours with mill base, alkaline matter can destroy organic resin and color in coating
Slurry, so that White Patches, colour fading, degradation dusting are caused, it is final to influence reflective insulation effect.In addition, the base in priming paint holiday region
Material water absorption rate is larger, seeps too fast under the slurry and moisture in reflective insulation texture paint, will form very coarse hair side (sand grains
Sense is strong, gloss is mute), color difference is not only resulted in, and more easily dust is stain, reflective insulation effect declines faster.It is most of
Reflective insulation texture paint needs mating finishing varnish to use, and finishing varnish equally exists holiday problem when large-area construction, leaks
It is muter to apply region gloss, can equally generate color difference, and the antifouling weather-resistant in holiday finishing varnish region is poor, use process
Middle reflective insulation effect declines also faster.
Currently, reflective insulation persistence is mainly the related rule according to JG/T 235-2014 " architectural reflective heat-insulation paint "
Surely it is tested: needing the shade (brightness value) according to reflective insulation texture paint, first selection meets defined sunlight
Reflectivity TSR and near-infrared reflection ratio NIR is reconfigured flyash and carries out artificial accelerated aging (QUV) and stains and old to simulate
Change, re-test " staiing front and back sun luminous reflectance change rate " and " sun luminous reflectance change rate before and after aging ", to characterize
The persistence of reflective insulation effect.However, reflective insulation texture paint is in use, actually located environment and simulation
Stain and ageing environment it is widely different, the reflective insulation persistence of reflective insulation texture paint and according to JG/T 235-2014 survey
The data for trying to obtain are compared, and are differed greatly.Moreover, reflective insulation texture paint is stain in actual use and aging is to carry out simultaneously
, so very low according to the data accuracy that JG/T 235-2014 is tested.
Summary of the invention
The purpose of the present invention is to provide a kind of persistent methods of test reflective insulation texture paint reflective insulation.
The technical solution used in the present invention is:
A kind of persistent method of test reflective insulation texture paint reflective insulation the following steps are included:
1) appropriate cement is added in powder of lacquer putty for use on, is uniformly mixed, it is spare；
2) prepare 2 pieces without asbestos fibre cement plate as test plate (panel), the coating step 1 on test plate (panel)) putty, be dried,
It polishes flat again；
3) every piece of test plate (panel) is divided into 6 regions, respectively number A, B, C, D, E, F, closes bottom in A, B, C, D region coating
Paint, is dried, then coats the reflective insulation texture paint as standard specimen in A, B area, to be detected in C, D, E, F region coating
Reflective insulation texture paint, be dried, then in B, C, F region coating finishing varnish, be dried；
4) 1 piece of test plate (panel) shady place disposed within is taken to save as blank control plate, another 1 piece of test plate (panel) is first tested and recorded respectively
The initial chroma and sun luminous reflectance in each region, then exposure is carried out, the coloration in each region in routine test and record test plate (panel)
Value and sun luminous reflectance, and test is compared with blank control plate and photographs to record, test record is no less than 5 times, test
Total period is no less than half a year, the variation of the color difference and sun luminous reflectance that are obtained further according to multiple test record evaluate reflection every
Hot persistence.
Preferably, the additive amount of the step 1) cement is the 5%~20% of powder of lacquer putty for use on quality.
Preferably, the dimensions of step 2) the no asbestos fibre cement plate is 430mm × 150mm × (4~6) mm.
Preferably, the coating thickness of the step 2) putty is 2~4mm.
Preferably, step 2) and the 3) drying carry out under the conditions of constant temperature and humidity, and drying time is 12~48h.
Preferably, the constant temperature and humidity be temperature it is constant in 21~25 DEG C, moisture constant 45%~65%.
Preferably, the area in step 3) six regions A, B, C, D, E, F is 70mm × 150mm.
Preferably, the step 3) seal coat is the closing bottom to match with reflective insulation texture paint to be detected
Paint, and the coating thickness of seal coat and the spreading rate of the seal coat defined match.
Preferably, the step 3) reflective insulation texture paint and reflective insulation texture paint to be detected as standard specimen
Coating thickness be 1~2mm.
Preferably, the step 3) finishing varnish is that the cover that matches with reflective insulation texture paint to be detected is clear
Paint, and the coating thickness of finishing varnish and the spreading rate of the finishing varnish defined match.
Preferably, the test plate (panel) of exposure is carried out in step 4) towards in the south, long side is parallel to the ground, short side and ground angle model
Enclose is 30~60 °.
Preferably, portable color difference measurement instrument, portable is respectively adopted in the step 4) chromatic value and sun luminous reflectance
Sunlight reflectometer measures.
The beneficial effects of the present invention are: the present invention can really reflect reflective insulation texture paint in actual use
Reflective insulation persistence, easy to operate, data are true and reliable, it is contemplated that the various aspects situation of practice of construction, such as: priming paint
Holiday, finishing varnish holiday.
1) normal region of normal primer coating, reflective insulation texture paint and finishing varnish can simulate survey in the present invention
The reflective insulation persistence under standard construction is tried, and in same test plate (panel) introduces standard specimen to can reduce different periods, environment poor
The different influence to test result；
2) present invention adds appropriate cement in powder of lacquer putty for use on to further increase putty layer alkalinity, and test plate (panel) does not use clear water
Maintenance is rinsed, the region that priming is not coated in test plate (panel) can be with the accumulation of salt in the surface soil caused by simulation test regional area priming paint holiday to reflection
Heat-insulated persistent influence；
3) region that priming is not coated in test plate (panel) of the invention can be caused by simulation test regional area priming paint holiday
Color difference size, can be with the persistent difference of the reflective insulation of simulation test hair side and normal region；
4) test zone of non-brushing finishing varnish can be with simulation test regional area holiday cover in test plate (panel) of the invention
Gloss difference, the size of color difference caused by varnish, can be with simulation test finishing varnish holiday region and normal region
The persistent difference of reflective insulation；
5) all test zones all concentrate on same test plate (panel) in the present invention, eliminate environmental difference to test result
It influences, test result is true and reliable, and naked eye range estimation is facilitated to compare；
6) shady place retains blank control plate to the present invention indoors, and range estimation comparison and comparison is facilitated to photograph to record.
Specific embodiment
The present invention will be further explained combined with specific embodiments below and explanation.
Embodiment 1:
A kind of persistent method of test reflective insulation texture paint reflective insulation, comprising the following steps:
1) cement (additive amount is the 5% of powder of lacquer putty for use on quality) is added in powder of lacquer putty for use on, is uniformly mixed, it is spare；
2) prepare 2 block size specifications be 430mm × 150mm × 4mm without asbestos fibre cement plate as test plate (panel), in test plate (panel)
The upper batch of putty for scraping the step 1) with a thickness of 2mm, it is constant in 21~25 DEG C, ring of the moisture constant 45%~65% to be placed in temperature
Dry 12h in border, then polished flat with sand paper；
3) every piece of test plate (panel) is divided into 6 regions (area in each region is about 70mm × 150mm) along longitudinal direction,
Number A, B, C, D, E, F respectively, in the region A, B, C, D, brushing or one of seal coat of roller coating, it is constant 21~25 to be placed in temperature
DEG C, moisture constant dry 12h in 45%~65% environment, then in A, B area spraying or batch scrape conduct mark with a thickness of 1mm
The reflective insulation texture paint of sample sprays or criticizes the reflective insulation texture to be detected painting for scraping same thickness in the region C, D, E, F
Material, be placed in temperature it is constant in 21~25 DEG C, moisture constant in 45%~65% environment dry 12h, then brushed in the region B, C, F
It is constant dry in 45%~65% environment in 21~25 DEG C, moisture constant to be placed in temperature for painting or one of finishing varnish of roller coating
12h；
4) 1 piece of test plate (panel) shady place disposed within is taken to save as blank control plate, another 1 piece of test plate (panel) is first tested and recorded respectively
A, the initial chroma (L/a/b) and sun luminous reflectance (TSR) in the region B, C, D, E, F, then it is placed in the test-fence in exposure place
Upper carry out exposure, test plate (panel) is towards in the south, long side is parallel to the ground, short side and ground angular range are 30 °, routine test and record
The chromatic value in each region and sun luminous reflectance on test plate (panel), and test is compared with blank control plate and photographs to record, it tests
Record 5 times, test total half a year in period, and the variation of the color difference obtained further according to multiple test record and sun luminous reflectance is evaluated
Reflective insulation persistence.
Note:
Step 3) the seal coat is the seal coat to match with reflective insulation texture paint to be detected, and is closed
The coating thickness of priming paint and the spreading rate of the seal coat defined match；
Step 3) the finishing varnish is the finishing varnish to match with reflective insulation texture paint to be detected, and cover
The coating thickness of varnish and the spreading rate of the finishing varnish defined match；
It is anti-that portable color difference measurement instrument, portable sunlight is respectively adopted in the step 4) chromatic value and sun luminous reflectance
It penetrates and is measured than analyzer.
Embodiment 2:
A kind of persistent method of test reflective insulation texture paint reflective insulation, comprising the following steps:
1) cement (additive amount is the 10% of powder of lacquer putty for use on quality) is added in powder of lacquer putty for use on, is uniformly mixed, it is spare；
2) prepare 2 block size specifications be 430mm × 150mm × 5mm without asbestos fibre cement plate as test plate (panel), in test plate (panel)
The upper batch of putty for scraping the step 1) with a thickness of 3mm, it is constant in 21~25 DEG C, ring of the moisture constant 45%~65% to be placed in temperature
Drying for 24 hours, then with sand paper polishes flat in border；
3) every piece of test plate (panel) is divided into 6 regions (area in each region is about 70mm × 150mm) along longitudinal direction,
Number A, B, C, D, E, F respectively, in the region A, B, C, D, brushing or one of seal coat of roller coating, it is constant 21~25 to be placed in temperature
DEG C, moisture constant in 45%~65% environment it is dry for 24 hours, then in A, B area spraying or batch scrape conduct with a thickness of 1.5mm
The reflective insulation texture paint of standard specimen sprays or criticizes the reflective insulation texture to be detected for scraping same thickness in the region C, D, E, F
Coating, be placed in temperature it is constant in 21~25 DEG C, moisture constant in 45%~65% environment it is dry for 24 hours, then in the region B, C, F
It is constant dry in 45%~65% environment in 21~25 DEG C, moisture constant to be placed in temperature for brushing or one of finishing varnish of roller coating
It is dry for 24 hours；
4) 1 piece of test plate (panel) shady place disposed within is taken to save as blank control plate, another 1 piece of test plate (panel) is first tested and recorded respectively
A, the initial chroma (L/a/b) and sun luminous reflectance (TSR) in the region B, C, D, E, F, then it is placed in the test-fence in exposure place
Upper carry out exposure, test plate (panel) is towards in the south, long side is parallel to the ground, short side and ground angular range are 45 °, routine test and record
The chromatic value in each region and sun luminous reflectance on test plate (panel), and test is compared with blank control plate and photographs to record, it tests
Record 7 times, test 1 year total period, and the variation of the color difference obtained further according to multiple test record and sun luminous reflectance is evaluated
Reflective insulation persistence.
Note:
Step 3) the seal coat is the seal coat to match with reflective insulation texture paint to be detected, and is closed
The coating thickness of priming paint and the spreading rate of the seal coat defined match；
Step 3) the finishing varnish is the finishing varnish to match with reflective insulation texture paint to be detected, and cover
The coating thickness of varnish and the spreading rate of the finishing varnish defined match；
It is anti-that portable color difference measurement instrument, portable sunlight is respectively adopted in the step 4) chromatic value and sun luminous reflectance
It penetrates and is measured than analyzer.
Embodiment 3:
A kind of persistent method of test reflective insulation texture paint reflective insulation, comprising the following steps:
1) cement (additive amount is the 20% of powder of lacquer putty for use on quality) is added in powder of lacquer putty for use on, is uniformly mixed, it is spare；
2) prepare 2 block size specifications be 430mm × 150mm × 6mm without asbestos fibre cement plate as test plate (panel), in test plate (panel)
The upper batch of putty for scraping the step 1) with a thickness of 4mm, it is constant in 21~25 DEG C, ring of the moisture constant 45%~65% to be placed in temperature
Dry 48h in border, then polished flat with sand paper；
3) every piece of test plate (panel) is divided into 6 regions (area in each region is about 70mm × 150mm) along longitudinal direction,
Number A, B, C, D, E, F respectively, in the region A, B, C, D, brushing or one of seal coat of roller coating, it is constant 21~25 to be placed in temperature
DEG C, moisture constant dry 48h in 45%~65% environment, then in A, B area spraying or batch scrape conduct mark with a thickness of 2mm
The reflective insulation texture paint of sample sprays or criticizes the reflective insulation texture to be detected painting for scraping same thickness in the region C, D, E, F
Material, be placed in temperature it is constant in 21~25 DEG C, moisture constant in 45%~65% environment dry 48h, then brushed in the region B, C, F
It is constant dry in 45%~65% environment in 21~25 DEG C, moisture constant to be placed in temperature for painting or one of finishing varnish of roller coating
48h；
4) 1 piece of test plate (panel) shady place disposed within is taken to save as blank control plate, another 1 piece of test plate (panel) is first tested and recorded respectively
A, the initial chroma (L/a/b) and sun luminous reflectance (TSR) in the region B, C, D, E, F, then it is placed in the test-fence in exposure place
Upper carry out exposure, test plate (panel) is towards in the south, long side is parallel to the ground, short side and ground angular range are 60 °, routine test and record
The chromatic value in each region and sun luminous reflectance on test plate (panel), and test is compared with blank control plate and photographs to record, it tests
Record 9 times, test total a year and a half in period, and the variation of the color difference obtained further according to multiple test record and sun luminous reflectance is commented
Determine reflective insulation persistence.
Note:
Step 3) the seal coat is the seal coat to match with reflective insulation texture paint to be detected, and is closed
The coating thickness of priming paint and the spreading rate of the seal coat defined match；
Step 3) the finishing varnish is the finishing varnish to match with reflective insulation texture paint to be detected, and cover
The coating thickness of varnish and the spreading rate of the finishing varnish defined match；
It is anti-that portable color difference measurement instrument, portable sunlight is respectively adopted in the step 4) chromatic value and sun luminous reflectance
It penetrates and is measured than analyzer.
The data measured in Examples 1 to 3 can be selected below table and be recorded:
Subordinate list 1:
Subordinate list 2:
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of persistent method of test reflective insulation texture paint reflective insulation, it is characterised in that: the following steps are included:
1) appropriate cement is added in powder of lacquer putty for use on, is uniformly mixed, it is spare；
2) prepare 2 pieces without asbestos fibre cement plate as test plate (panel), the coating step 1 on test plate (panel)) putty, be dried, then beat
It polishes whole；
3) every piece of test plate (panel) is divided into 6 regions, respectively number A, B, C, D, E, F, in A, B, C, D region coating seal coat,
It is dried, then coats the reflective insulation texture paint as standard specimen in A, B area, it is to be detected in C, D, E, F region coating
Reflective insulation texture paint is dried, then in B, C, F region coating finishing varnish, is dried；
4) 1 piece of test plate (panel) shady place disposed within is taken to save as blank control plate, each area is first tested and record respectively to another 1 piece of test plate (panel)
On the initial chroma and sun luminous reflectance in domain, then carry out exposure, routine test and record test plate (panel) the chromatic value in each region and
Sun luminous reflectance, and test is compared with blank control plate and photographs to record, test record is no less than 5 times, tests total week
Phase is no less than half a year, and the variation of the color difference and sun luminous reflectance that obtain further according to multiple test record is held to evaluate reflective insulation
Long property.
2. the persistent method of test reflective insulation texture paint reflective insulation according to claim 1, it is characterised in that:
The additive amount of the step 1) cement is the 5%~20% of powder of lacquer putty for use on quality.
3. the persistent method of test reflective insulation texture paint reflective insulation according to claim 1, it is characterised in that:
The coating thickness of the step 2) putty is 2~4mm.
4. the persistent method of test reflective insulation texture paint reflective insulation according to claim 1, it is characterised in that:
Step 2) and 3) drying carry out under the conditions of constant temperature and humidity, and drying time is 12~48h.
5. the persistent method of test reflective insulation texture paint reflective insulation according to claim 4, it is characterised in that:
The constant temperature and humidity be temperature it is constant in 21~25 DEG C, moisture constant 45%~65%.
6. the persistent method of test reflective insulation texture paint reflective insulation according to claim 1, it is characterised in that:
Step 3) the seal coat is the seal coat to match with reflective insulation texture paint to be detected, and the painting of seal coat
The spreading rate of film thickness and the seal coat defined matches.
7. the persistent method of test reflective insulation texture paint reflective insulation according to claim 1, it is characterised in that:
The coating thickness of the step 3) reflective insulation texture paint as standard specimen and reflective insulation texture paint to be detected is 1~
2mm。
8. the persistent method of test reflective insulation texture paint reflective insulation according to claim 1, it is characterised in that:
Step 3) the finishing varnish is the finishing varnish to match with reflective insulation texture paint to be detected, and the painting of finishing varnish
The spreading rate of film thickness and the finishing varnish defined matches.
9. the persistent method of test reflective insulation texture paint reflective insulation according to claim 1, it is characterised in that:
The test plate (panel) of exposure is carried out in step 4) towards in the south, long side is parallel to the ground, short side and ground angular range are 30~60 °.
10. the persistent method of test reflective insulation texture paint reflective insulation according to claim 1, feature exist
In: portable color difference measurement instrument, portable sun luminous reflectance is respectively adopted in the step 4) chromatic value and sun luminous reflectance
Analyzer measures.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518956.5A CN109752310B (en) | 2018-12-12 | 2018-12-12 | Method for testing reflective insulation durability of reflective insulation texture coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518956.5A CN109752310B (en) | 2018-12-12 | 2018-12-12 | Method for testing reflective insulation durability of reflective insulation texture coating |
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| CN109752310B CN109752310B (en) | 2021-09-14 |
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