CN109557056A - A kind of method of the quick detection aqueous high molecular metope coating material construction uniformity - Google Patents
A kind of method of the quick detection aqueous high molecular metope coating material construction uniformity Download PDFInfo
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- CN109557056A CN109557056A CN201710887945.3A CN201710887945A CN109557056A CN 109557056 A CN109557056 A CN 109557056A CN 201710887945 A CN201710887945 A CN 201710887945A CN 109557056 A CN109557056 A CN 109557056A
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- G—PHYSICS
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- 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
- G01N21/55—Specular reflectivity
- G01N21/57—Measuring gloss
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Abstract
The invention discloses a kind of methods of quickly detection aqueous high molecular metope coating material construction uniformity.Specifically, the present invention is by brushing multipass macromolecule metope coating material in the simulation aqueous high molecular metope coating material construction uniformity on sheet glass, lustre lacking uniformity problem to quickly detect the construction uniformity of coating, after the construction of aqueous high molecular metope coating material can be prevented.
Description
Technical field
The present invention relates to coating detection fields, in particular it relates to which a kind of quickly detection aqueous high molecular metope applies
Cover the method for the material construction uniformity
Background technique
With the development of building aqueous high molecular metope coating material, the use of aqueous high molecular metope coating material is more next
It is more, more and more convenient, but often can be appreciated that floating phenomenon occurs in metope after aqueous high molecular metope coating material is constructed, such as
Gloss of film is uneven, i.e. the gloss in some places is higher, and the gloss in some places is lower, especially shows brushing overlapping overlap joint
Region.Gloss of film non-uniform phenomenon may be due to base's gas porosity is inconsistent, dilution ratio is too big, using different lot numbers
Product, using different construction tools, brush caused by several reasons such as in uneven thickness.The reason of general people's concern is all this
A little external factor, but in addition to there are also the gloss uniformities of aqueous high molecular metope coating material itself will also result in light for these reasons
The non-uniform phenomenon in pool, and then lead to wall floating.The gloss uniformity of aqueous high molecular metope coating material itself is better, more
It is not in metope floating phenomenon caused by lustre lacking uniformity.
Relevant criterion is directed to the technical requirements of aqueous high molecular metope coating material gloss uniformity currently not yet, does not have more
There is the detection method of aqueous high molecular metope coating material gloss uniformity, carries out large area construction simulation typically just to detect
Apparent floating phenomenon can or can not occur in aqueous high molecular metope coating material, do so low efficiency, time-consuming, expense material.Mirror
In the analysis of above situation, there is an urgent need to a kind of detection aqueous high molecular metope coating material construction gloss uniformities for the industry
Method, and can quickly and effectively detect, it improves detection efficiency, reduce the risk for floating phenomenon occur.
Summary of the invention
The object of the present invention is to provide it is a kind of detection aqueous high molecular metope coating material construction gloss uniformity method,
And it can quickly and effectively detect, improve detection efficiency, reduce the risk for floating phenomenon occur.
The first aspect of the present invention provides a kind of aqueous high molecular metope coating material construction uniformity detection method,
The method includes the steps:
(1) a cleaning panes surface is provided；
(2) it in the case where appraising and deciding execution conditions, scratches sample to be tested one time on a glass, forms first coating；
(3) sample to be tested is dried, 1/3 area is then vacated in first coating, other 2/3
It is scratched sample to be tested second time on area, forms second coating；
(4) sample to be tested is dried, 1/2 area is vacated in second coating, on other 1/2 area
Sample to be tested third time is scratched, third coating is formed；
(5) sample to be tested is dried, tests the gloss of film difference of first coating and third coating.
In another preferred example, the gloss of film difference is 85 ° of gloss differences of paint film, and 85 ° of light of the paint film
Damp difference DELTA G is calculate by the following formula:
Δ G=︱ G1-G3︱, wherein G1For 85 ° of gloss of paint film after a blade coating, G3For 85 ° of light of paint film after three times blade coatings
Pool.
In another preferred example, the method further includes, according to lower list deciding product hierarchy and evaluation result:
In another preferred example, the execution conditions of appraising and deciding are 23 DEG C ± 2 DEG C of temperature, relative humidity 50% ± 5%.
In another preferred example, in the step (2), the blade coating is carried out using 80-200um bar spreader.
In another preferred example, in the step (3) and (4), the drying is carried out using blast dry oven.
In another preferred example, in the step (5), the gloss of film using multi-angle gloss detector into
Row.
In another preferred example, in the step (3) and (4), the drying carries out at 50-60 DEG C.
In another preferred example, in the step (3) and (4), the drying time is 1 hour.
In another preferred example, the method further include: to identical product, repeat above-mentioned testing procedure (1)-(5)
Three times, and when having in experiment three times twice or the above test result secondary twice is excellent, general or qualified, it is judged to product conjunction
Lattice.
It should be understood that above-mentioned each technical characteristic of the invention and having in below (eg embodiment) within the scope of the present invention
It can be combined with each other between each technical characteristic of body description, to form a new or preferred technical solution.As space is limited, exist
This no longer tires out one by one states.
Detailed description of the invention
Fig. 1 shows a kind of exemplary glass piece tested for the present invention；
Fig. 2 shows that the application test method completes the coating schematic diagram after three times coatings；
Fig. 3 is the test result and large area the coating experiment in embodiment 1, wherein blade coating first pass and blade coating third time
Gloss of film photo as shown in fig. 3；Metope photo after large area coating is as shown in Figure 3B；
Fig. 4 is the test result and large area the coating experiment in embodiment 1, wherein blade coating first pass and blade coating third time
Gloss of film photo it is as shown in Figure 4 A；Metope photo after large area coating is as shown in Figure 4 B；
Fig. 5 is the test result and large area the coating experiment in embodiment 1, wherein blade coating first pass and blade coating third time
Gloss of film photo it is as shown in Figure 5 A；Metope photo after large area coating is as shown in Figure 5 B.
Specific embodiment
The present inventor passes through in-depth study, and it is equal to have obtained a kind of quick detection aqueous high molecular metope coating material construction
The method of evenness, the method can quickly and quantitatively reflect the construction uniformity property of metope coating material.Based on upper
Discovery is stated, inventor completes the present invention.
Aqueous high molecular metope coating material construction uniformity detection method
The non-uniform situation of gloss of film after constructing the present invention provides a kind of simulation aqueous high molecular metope coating material,
And the method for the quickly and effectively detection aqueous high molecular metope coating material construction uniformity can be provided.
In order to solve the above technical problems, experimental tool includes: sheet glass (20cm the present invention provides a kind of test method
X 10cm), 150um bar spreader, multi-angle gloss detector, blast dry oven.
Sheet glass schematic diagram is as shown in Fig. 1, and test method is as shown in Fig. 2.Wherein, the method includes step
It is rapid:
1. glass pane surface is cleaned out, it is ensured that surfacing, clean, drying, it is spare；
2. under conditions of 23 DEG C ± 2 DEG C of temperature, relative humidity 50% ± 5%, using 150um bar spreader in glass
It is scratched sample to be tested one time on plate；
After 3.55 DEG C dry 1 hour, on the template for scraping coated sample to be tested one time, 1/3 area is vacated, other 2/
It is scratched sample to be tested second time on 3 area；
4. again 55 DEG C drying 1 hour after, on the template for scraping twice of coated sample to be tested, 1/2 area is vacated, another
Half upper blade coating sample to be tested third time；
5. again 55 DEG C drying 1 hour after, test blade coating one time and blade coating three times after gloss of film；
6. identical product must at least do 3 parallel laboratory tests, 2 times or 2 times or more qualified, is judged to product qualification；
7. result evaluation:
Using 85 ° of gloss differences of paint film as judgment criteria, difference is the smaller the better；
The calculating of 85 ° of gloss differences of paint film:
Δ G=︱ G1-G3︱
G:85 ° of gloss difference of Δ
G1: 85 ° of gloss of paint film after a blade coating
G3: 85 ° of gloss of paint film after three times blade coatings
Rating
Test method explanation:
1. the gloss of paint film is under a coating condition, gloss difference is unobvious, and for construction simulation during
The case where multipass is coated with is tested the gloss difference of first pass and third time, can be amplified in this way using being coated with three times to sheet glass
Test result.In addition, the wet-film thickness of twice of aqueous high molecular metope coating material of general practice of construction is 150um, and
It is found in practice, the small test result error of wet-film thickness is larger, and the big test result of wet-film thickness is unobvious.So by preferred,
The bar spreader that 150um size is used in the method for the present invention, sample is coated with three times can more intuitive standard to sheet glass
The gloss uniformity of true judge aqueous high molecular metope coating material.
2. gloss measurement is generally divided into 20 °, 60 ° and 85 ° angles, the aqueous high molecular metope of the method for the present invention test is applied
Material is covered, the gloss variation at 85 ° of angles is more particularly suitable, and test data observes the effect of gloss of film close to naked eyes side, so
The gloss uniformity difference of paint film can be more embodied as judgment criteria using 85 ° of gloss differences.
3. inventor is in practice, it has been found that requirement of the interior wall for gloss uniformity is higher than exterior wall, the general area of exterior wall
Larger, more by light direct projection, bad look of gloss uniformity can be unobvious, and exterior wall uniformly wants gloss
Ask not high.Therefore, in the table of rating, inventor sets different 85 ° for the criterion of acceptability of interior wall and exterior wall
Gloss difference, under the conditions of same rating, the gloss difference of exterior wall requires larger than interior wall.
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In the following examples, the experimental methods for specific conditions are not specified, usually according to conventional strip
Part, or according to the normal condition proposed by manufacturer.Unless otherwise stated, otherwise percentage and number are calculated by weight.
1 aqueous high molecular metope coating material of embodiment constructs cloud test (85 ° of gloss difference≤0.5)
Under conditions of 23 DEG C ± 2 DEG C of temperature, relative humidity 50% ± 5%, according to the test side of the above gloss uniformity
Method respectively in terms of a front surface and a side surface, and measures blade coating first pass and scratches 60 ° and 85 ° of gloss such as institute in Fig. 3 A of third time
Show, first pass: (2.4,2.9), third time: (2.4,3.2).
Then by sample carry out the test of large area indoor construction, test according to normal conditions, process construct, after construction
Result it is as shown in Figure 3B from the side.
As a result judge: finding out from the gloss difference test result of the sample, first pass blade coating and third are all over the 85 ° of differences scratched
Value is 0.3≤0.5, more uniform with gloss in terms of side in terms of front.The large-area construction test carried out again, from the side, on wall
Overlap joint trace it is less, gloss is also relatively uniform, has no floating phenomenon.It constructs in the gloss uniformity, paint film
It is not in floating phenomenon, so, the test method of this gloss uniformity quickly can detect and simulate aqueous high molecular wall
The construction uniformity of face coating material.
2 aqueous high molecular metope coating material of embodiment constructs cloud test (85 ° of gloss difference≤1.5)
Under conditions of 23 DEG C ± 2 DEG C of temperature, relative humidity 50% ± 5%, according to the test side of the above gloss uniformity
Method measures blade coating first pass and 60 ° of blade coating third time and 85 ° of gloss is as shown in Figure 4 A respectively in terms of a front surface and a side surface, the
One time: (2.4,5.0), third time: (2.4,3.7).
Then by sample carry out the test of large area indoor construction, test according to normal conditions, process construct, after construction
Result it is as shown in Figure 4 B from the side.
As a result judge: finding out from the gloss difference test result of the sample, first pass blade coating and third are all over the 85 ° of differences scratched
Value is 1.3≤1.5, and gloss is more uniform in terms of front, but lustre lacking uniformity from the side.The large-area construction test carried out again,
In terms of front, the overlap joint trace on wall is less, but lustre lacking uniformity from the side, slightly floating phenomenon.In the gloss uniformity
In the case of construct, paint film is not in apparent floating phenomenon, so, the test method of this gloss uniformity can be fast
The construction uniformity of speed detection and simulation aqueous high molecular metope coating material.
3 aqueous high molecular metope coating material of embodiment constructs cloud test (85 ° of gloss difference >=2.0)
Under conditions of 23 DEG C ± 2 DEG C of temperature, relative humidity 50% ± 5%, according to the test side of the above gloss uniformity
Method measures blade coating first pass and 60 ° of blade coating third time and 85 ° of gloss is as shown in Figure 5 A respectively in terms of a front surface and a side surface, the
One time: (2.9,6.8), third time: (2.8,4.5).
Then by sample carry out the test of large area indoor construction, test according to normal conditions, process construct, after construction
Result it is as shown in Figure 5 B from the side.
As a result judge: finding out from the gloss difference test result of the sample, first pass blade coating and third are all over the 85 ° of differences scratched
Value is 2.3 >=2.0, is all lustre lacking uniformity in terms of positive side.The large-area construction test carried out again, from a front surface and a side surface
It sees, the overlap joint trace on wall is more, and gloss is very uneven, and metope has floating phenomenon.It is applied in the gloss uniformity
Work, paint film will appear metope floating phenomenon, so, the test method of this gloss uniformity quickly can detect and simulate aqueous
The construction uniformity of macromolecule metope coating material.
Pass through above-mentioned test, it can be seen that the test method can quickly and effectively test the coating of aqueous high molecular metope
The gloss uniformity of material, and simulate the construction uniformity problems after aqueous high molecular metope coating material large-area construction.It is logical
This method is crossed, the overlap joint trace of metope caused by metope lustre lacking uniformity is more after can preventing or reducing construction, metope floating
Phenomena such as serious, makes earlier pre- to improve the surface effect quality of paint film after the construction of aqueous high molecular metope coating material
Sentence, realizes original intention of the invention.
All references mentioned in the present invention is incorporated herein by reference, independent just as each document
It is incorporated as with reference to such.In addition, it should also be understood that, after reading the above teachings of the present invention, those skilled in the art can
To make various changes or modifications to the present invention, such equivalent forms equally fall within model defined by the application the appended claims
It encloses.
Claims (10)
- The uniformity detection method 1. a kind of aqueous high molecular metope coating material is constructed, which is characterized in that the method includes steps It is rapid:(1) a cleaning panes surface is provided；(2) it in the case where appraising and deciding execution conditions, scratches sample to be tested one time on a glass, forms first coating；(3) sample to be tested is dried, 1/3 area is then vacated in first coating, in other 2/3 area Upper blade coating sample to be tested second time, form second coating；(4) sample to be tested is dried, 1/2 area is vacated in second coating, scratched on other 1/2 area Sample to be tested third time forms third coating；(5) sample to be tested is dried, tests the gloss of film difference of first coating and third coating.
- 2. the method as described in claim 1, which is characterized in that the gloss of film difference is 85 ° of gloss differences of paint film, and Described 85 ° of gloss difference DELTA G of paint film are calculate by the following formula:Δ G=︱ G1-G3︱, wherein G1For 85 ° of gloss of paint film after a blade coating, G3For 85 ° of gloss of paint film after three times blade coatings.
- 3. the method as described in claim 1, which is characterized in that the method further includes, according to lower list deciding product hierarchy And evaluation result:
- 4. the method as described in claim 1, which is characterized in that it is described appraise and decide execution conditions be 23 DEG C ± 2 DEG C of temperature, it is opposite Humidity 50% ± 5%.
- 5. the method as described in claim 1, which is characterized in that in the step (2), the blade coating uses 80-200um Bar spreader carries out.
- 6. the method as described in claim 1, which is characterized in that in the step (3) and (4), the drying is using drum Wind drying oven carries out.
- 7. the method as described in claim 1, which is characterized in that in the step (5), the gloss of film is using polygonal Gloss detector is spent to carry out.
- 8. the method as described in claim 1, which is characterized in that in the step (3) and (4), the drying is in 50-60 It is carried out at DEG C.
- 9. the method as described in claim 1, which is characterized in that in the step (3) and (4), the drying time is 1 Hour.
- 10. the method as described in claim 1, which is characterized in that the method further include: to identical product, repeat as weighed Benefit require 1 described in testing procedure (1)-(5) three times, and have twice in ought testing three times or the above test result secondary twice is excellent When different, general or qualified, it is judged to product qualification.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730159A (en) * | 2019-10-14 | 2021-04-30 | 立邦涂料（中国）有限公司 | Method for rapidly and quantitatively detecting color bleeding of color paste of water-based polymer wall coating material |
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| CN102959541A (en) * | 2010-06-25 | 2013-03-06 | 纳幕尔杜邦公司 | Process for producing and delivering matching color coating and use thereof |
| CN107206416A (en) * | 2015-01-29 | 2017-09-26 | 关西涂料株式会社 | The method for forming multilayer film |
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2017
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Patent Citations (2)
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|---|---|---|---|---|
| CN102959541A (en) * | 2010-06-25 | 2013-03-06 | 纳幕尔杜邦公司 | Process for producing and delivering matching color coating and use thereof |
| CN107206416A (en) * | 2015-01-29 | 2017-09-26 | 关西涂料株式会社 | The method for forming multilayer film |
Non-Patent Citations (3)
| Title |
|---|
| ASTM COMMITTEE D01: "《Standard Test Method for Evaluation of Gloss or Sheen Uniformity》", 31 August 2000 * |
| 中国国家标准化管理委员会: "《色漆和清漆 不含金属颜料的色漆漆膜的20°、60°和85°镜面光泽的测定》", 11 September 2007 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730159A (en) * | 2019-10-14 | 2021-04-30 | 立邦涂料（中国）有限公司 | Method for rapidly and quantitatively detecting color bleeding of color paste of water-based polymer wall coating material |
| CN112730159B (en) * | 2019-10-14 | 2024-03-19 | 立邦涂料（中国）有限公司 | Method for rapidly and quantitatively detecting color paste bleeding of water-based polymer wall coating material |
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