CN109030379A - A kind of test method of interior wall coating spot-resistant performance - Google Patents
A kind of test method of interior wall coating spot-resistant performance Download PDFInfo
- Publication number
- CN109030379A CN109030379A CN201810737844.2A CN201810737844A CN109030379A CN 109030379 A CN109030379 A CN 109030379A CN 201810737844 A CN201810737844 A CN 201810737844A CN 109030379 A CN109030379 A CN 109030379A
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- China
- Prior art keywords
- spot
- interior wall
- wall coating
- test method
- film
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/251—Colorimeters; Construction thereof
Abstract
The invention discloses a kind of interior wall coating spot-resistant test methods, it is cleaned with brush brushing with reference to spot, washability instrument machine and refers to spot, the Y2/ for calculating film after R=is cleaned brushes the whiteness Y1 with reference to film before spot, soil release degree is characterized with ratio size R, test method is simple, and the interior wall coating spot-resistant performance measured is accurate, stable and reliable.
Description
Technical field
The present invention relates to interior wall coating performance test methods, and in particular to a kind of test side of interior wall coating spot-resistant performance
Method.
Background technique
In Unite States Standard ASTMD3450-2000 " the interior standard test method with building coats washability ", spot-resistant is tested
Method are as follows: paint film is scraped on black plastic plate and is conserved 7 days, the reflection R 1 of paint film is surveyed, is then brushed on paint film
A kind of substance containing carbon black, which is dispersed in mineral oil, obtains spot, after spot brushes a period of time, cleans above instrument cleaning
100 recycle, every scouring media of 25 circulating picture-changings (such as dish washing liquid or other cleaning mediums), rinse after 100 circulations dry
Net paint film surveys paint film reflection coefficients R 2 after drying, calculate R2/R1, the degree of soil release is indicated with the ratio.This method influences
Factor is less, and can carry out quantitative comparison to the spot-resistant of paint film, but spot used by the test method whether can
Represent whether the active force that the spot, film that metope under actual conditions stain are scrubbed reflects that manual wipping applies under truth
The factors such as the active force of film are all difficult to determine, the practical application value of test result is still to be tested.
The existing common test method of coating material production manufacturer are as follows: scrape paint film after being conserved 7 days on black plastic plate, Tu Duo
Kind of spot on paint film, as pencil, ball pen, marking pen, lipstick, watercolor pencil, wax crayon, ink, red wine, coffee, black tea, kind
Tomato juice, soy sauce etc. are cleaned after a period of time with the cloth for being moistened with dish washing liquid, and the difference of spot-resistant between paint film is distinguished in range estimation；This method
Test condition with practical film by, than more consistent, test process is easier the case where spot, effect is intuitive, but influencing should
The factor of method test result is more, and test result is different because of when because of people, is difficult accurate quantification and compares to cause to judge by accident.
Summary of the invention
For the drawbacks described above for overcoming the prior art, the purpose of the present invention is to provide a kind of interior wall coating spot-resistant performances
Test method, simple, accurate and strong applicability.
Above-mentioned purpose of the invention is achieved through the following technical solutions:
A kind of test method of interior wall coating spot-resistant performance, specifically, comprising the following steps:
(1) interior wall coating to be measured is filmed, and tests the whiteness Y1 of gained dry coating film；
(2) configuration refers to spot；
(3) it brushes with reference to spot on the dry coating film, is cleaned after 2h by cleaning the circulation of instrument 100, every 25 follow by described
Ring changes a scouring media, and tests the whiteness Y2 of film after spot erasing；
(4) R=Y2/Y1 is calculated, characterizes soil release degree with ratio size R；R value is bigger, the film of the interior wall coating
Spot-resistant is better, and R value is smaller, and the film spot-resistant of the interior wall coating is poorer.
Preferably, whiteness Y1, Y2 is all made of leucometer and is tested under the same conditions.
Preferably, in step (2), the reference spot includes aqueous spot or oil-dirt.
In some preferred embodiments, the aqueous spot is the PVA aqueous solution and barba hispanica face that mass concentration is 2%
Expect the Prussian blue liquid of mass ratio 4:1.
In other preferred embodiments, the oil-dirt is the greasepaint material of greasepaint and oil quality ratio 1:2, described
Oil include mineral oil, vegetable oil or animal oil.
Preferably, in step (3), the scouring media includes dish washing liquid or cleaning solution；In some preferred embodiments
In, the scouring media is using common commercially available white cat board dish washing liquid or brave and fierce Mr.'s cleaning solution.
Compared with prior art, the beneficial effects of the present invention are:
Test method of the invention is simple, and the interior wall coating spot-resistant performance measured is accurate, stable and reliable.
Specific embodiment
The following detailed description of technical solution of the present invention, but protection scope of the present invention is not limited to following embodiments.
Embodiment 1
The method of interior wall coating spot-resistant performance is tested according to the following steps: (1) interior wall coating to be measured being filmed, and
The whiteness Y1 of test gained dry coating film；(2) configuration refers to spot are as follows: the PVA aqueous solution and iron blue pigment matter that mass concentration is 2%
Measure the blue watercolor than 4:1；(3) it will be brushed with reference to spot on dry coating film, and with dish washing liquid be scouring media after 2h, and with scouring
The circulation of instrument 100 is cleaned, scouring media of every 25 circulating picture-changing, and tests the whiteness Y2 of film after spot erasing；(4) it calculates
R=Y2/Y1 characterizes soil release degree with ratio size R, and R value is such as after different people brushes same spot respectively on same paint film
Shown in table 1.
Embodiment 2
The method of interior wall coating spot-resistant performance is tested according to the following steps: (1) interior wall coating to be measured being filmed, and
The whiteness Y1 of test gained dry coating film；(2) configuration refers to spot are as follows: the red greasepaint of red greasepaint and vegetable oil mass ratio 2:1；
(3) will with reference to spot brush in use on dry coating film, after 2h commercially available brave and fierce Mr. for scouring media, and with scouring instrument 100 circulation,
Scouring media of every 25 circulating picture-changing, and test the whiteness Y2 of film after spot erasing；(4) R=Y2/Y1 is calculated, it is big with ratio
Small R characterizes soil release degree, and R value is as shown in table 1 after different people brushes same spot respectively on same paint film.
Comparative example
It respectively (will using hairbrush by the method for affixing one's seal (covering the spot of selection on film using rubber-stamp) and brushing method
Spot brush is on film) spot is quantified into brushing on film, and calculate the ratio of whiteness Y2/Y1；Different people on same paint film
R value is as shown in table 1 after brushing same spot respectively.
Table 1: greasiness removal rate (Y2/Y1)
| Embodiment 1 | First man | Second people | Third is personal | 4th people |
| Paint film 1 | 1.00 | 1.00 | 0.99 | 1.00 |
| Paint film 2 | 1.00 | 1.00 | 1.00 | 1.00 |
| Embodiment 2 | First man | Second people | Third is personal | 4th people |
| Paint film 1 | 0.77 | 0.81 | 0.79 | 0.75 |
| Paint film 2 | 0.83 | 0.93 | 0.89 | 0.91 |
| It affixes one's seal method | First man | Second people | Third is personal | 4th people |
| Paint film 1 | 0.90 | 0.95 | 0.92 | 0.94 |
| Paint film 2 | 0.92 | 0.98 | 0.94 | 0.97 |
| Brushing method | First man | Second people | Third is personal | 4th people |
| Paint film 1 | 0.73 | 0.85 | 0.81 | 0.76 |
| Paint film 2 | 0.78 | 0.88 | 0.74 | 0.81 |
As it can be seen from table 1 affix one's seal method and brushing method in compared to the prior art, by using brush in embodiment 1,2
Brushing spot, washability instrument machine clean spot and obtain the ratio of whiteness Y2/Y1 with reference to ASTM method, for testing in characterization
Wall coating spot-resistant performance, as a result stability is good, and more accurate and reliable.
The above is presently preferred embodiments of the present invention, but the present invention should not be limited to disclosed in the embodiment
Content.So all do not depart from the lower equivalent or modification completed of spirit disclosed in this invention, the model that the present invention protects is both fallen within
It encloses.
Claims (6)
1. a kind of test method of interior wall coating spot-resistant performance, which comprises the following steps:
(1) interior wall coating to be measured is filmed, and tests the whiteness Y1 of gained dry coating film；
(2) configuration refers to spot；
(3) it brushes with reference to spot on the dry coating film, is cleaned after 2h by cleaning the circulation of instrument 100, every 25 circulating picture-changing by described
Scouring media, and test the whiteness Y2 of film after spot erasing；
(4) R=Y2/Y1 is calculated, characterizes soil release degree with ratio size R；Wherein,
R value is bigger, and the film spot-resistant of the interior wall coating is better, and R value is smaller, the film spot-resistant of the interior wall coating
It is poorer.
2. the test method of interior wall coating spot-resistant performance as described in claim 1, which is characterized in that in step (2), the ginseng
Examining spot includes aqueous spot or oil-dirt.
3. the test method of interior wall coating spot-resistant performance as claimed in claim 1 or 2, which is characterized in that the aqueous spot
For the Prussian blue liquid of the mass concentration PVA aqueous solution for being 2% and iron blue pigment 4:1 in mass ratio configuration.
4. the test method of interior wall coating spot-resistant performance as claimed in claim 1 or 2, which is characterized in that the oil-dirt
For the greasepaint material of greasepaint and oil 1:2 in mass ratio configuration.
5. the test method of interior wall coating spot-resistant performance as claimed in claim 4, which is characterized in that the oil includes mineral
Oil, vegetable oil or animal oil.
6. the test method of interior wall coating spot-resistant performance as described in claim 1, which is characterized in that in step (3), the wiping
Washing medium includes dish washing liquid or cleaning solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810737844.2A CN109030379A (en) | 2018-07-06 | 2018-07-06 | A kind of test method of interior wall coating spot-resistant performance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810737844.2A CN109030379A (en) | 2018-07-06 | 2018-07-06 | A kind of test method of interior wall coating spot-resistant performance |
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| CN109030379A true CN109030379A (en) | 2018-12-18 |
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| CN201810737844.2A Pending CN109030379A (en) | 2018-07-06 | 2018-07-06 | A kind of test method of interior wall coating spot-resistant performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557303A (en) * | 2020-11-30 | 2021-03-26 | 河海大学 | Method for evaluating road marking stain resistance |
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| CN112557303A (en) * | 2020-11-30 | 2021-03-26 | 河海大学 | Method for evaluating road marking stain resistance |
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Application publication date: 20181218 |