CN101614728B - Device and method for measuring lowest construction temperature of synthetic resin emulsion coating - Google Patents
Device and method for measuring lowest construction temperature of synthetic resin emulsion coating Download PDFInfo
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- CN101614728B CN101614728B CN200810039409.9A CN200810039409A CN101614728B CN 101614728 B CN101614728 B CN 101614728B CN 200810039409 A CN200810039409 A CN 200810039409A CN 101614728 B CN101614728 B CN 101614728B
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Abstract
The invention relates to a device and a method for measuring the lowest construction temperature of a synthetic resin emulsion coating. The device comprises a thermostatic chamber, a dehumidifier, a low-temperature box and a test plate, wherein the test plate is tilted on the low-temperature box, the lower end of the test plate is positioned in the low-temperature box while the upper end is positioned outside the low-temperature box, the test plate is provided with an organic glass cover and a multipoint tempilstick, the output of the multipoint tempilstick is connected with a temperature recorder, and an infrared radiation thermometer opposite to the test plate is above the thermostatic chamber. The test plate is tilted on an upper unsealed opening of the low-temperature box in the thermostatic chamber, and a silica-gel drier is placed in the organic glass cover and the organic glass cover covers on the test plate; and when the coating is dried into a film, the infrared radiation thermometer measures the temperature corresponding to a scale mark, and the film is placed under an object lens of a microscope to form the temperature corresponding to a continuous uniform crack-free film coating image as the lowest film-forming temperature. The device and the method have the advantages of adopting a scientific method to establish the lower limit of the construction temperature of the synthetic resin emulsion coating, and avoiding the coating quality problem appearing at the construction source.
Description
Technical field
The present invention relates to determinator and the method for a kind of assay method, particularly a kind of lowest construction temperature of synthetic resin emulsion coating.
Background technology
At present, to the establishment method of lowest construction temperature of synthetic resin emulsion coating, mostly according to the minimum film formation temperature of latex paint emulsion or directly observe film cracking with visual method and decide.But they are two different temperature spots for lowest construction temperature of synthetic resin emulsion coating and latex paint emulsion minimum film formation temperature, it also needs an adhesion to pass through minimum temperature, otherwise when running into winter construction, particularly constructing under strong cold conditions, the coating quality problem such as present a considerable amount of powder of having filmed, ftracture, peel off.Demand urgently needing a kind of detection method of synthetic resin emulsion coating being carried out a lowest construction temperature, to solve above-mentioned quality problems.
Summary of the invention
The objective of the invention is to solve that in prior art, synthetic resin emulsion coating without the existing the problems referred to above of lowest construction temperature index, provides a kind of assay method of lowest construction temperature of synthetic resin emulsion coating.The present invention designs a kind of device of measuring lowest construction temperature of synthetic resin emulsion coating, comprise constant temperature enclosure, dehumidifier, cryogenic box, test plate (panel), it is characterized in that: be placed with cryogenic box and dehumidifier in a constant temperature enclosure, one tilted-putted test plate (panel) is arranged on cryogenic box, the lower end of test plate (panel) is positioned at cryogenic box, the upper end of test plate (panel) is positioned at outside cryogenic box, plexiglass tent is arranged on test plate (panel), the multi-point temperature measurement rod is arranged on test plate (panel), the output of multi-point temperature measurement rod connects moisture recorder, and an infrared thermometer over against test plate (panel) is arranged above constant temperature enclosure.the method of utilizing described a kind of device of measuring lowest construction temperature of synthetic resin emulsion coating to measure, it is characterized in that: the ambient humidity of at first using dehumidifier regulating constant greenhouse, test plate (panel) is carried out scale mark, test plate (panel) is inclined in the upper uncovered of cryogenic box in constant temperature enclosure, put in plexiglass tent and contain silica-gel desiccant and cover on test plate (panel), the temperature that test plate (panel) does not exist together is through multi-point temperature measurement rod output unbalance voltage, and be sent to moisture recorder and carry out monitoring temperature, when the each point temperature of moisture recorder demonstration is the stable state tendency, cover with paint, lacquer, colour wash, etc. synthetic resin emulsion coating on test plate (panel), when moisture recorder shows that the each point temperature is stable state again, and coating is during drying and forming-film, measure temperature corresponding to scale mark with infrared thermometer, take out test plate (panel), be placed under microscopical object lens, take with imager the micro-imaging figure that films, and be delivered to image processor, observe, preserve, work out the analysis chart of filming, the free from flaw that forms continuous uniform is coated with temperature corresponding to film image just as the minimum film formation temperature of coating, with the single-blade cutting tool, above-mentioned same test plate (panel) is measured and judgement by the regulation of existing national standard " cross cut test of paint and varnish paint film " GB/T9286, cutting surfaces outward appearance two places reach temperature corresponding more than 2 grades or 2 grades and just pass through minimum temperature as adhesion, when adhesion by minimum temperature during higher than the minimum film formation temperature of coating, should be with adhesion by minimum temperature as the coating lowest construction temperature, when adhesion by minimum temperature during lower than the minimum film formation temperature of coating, should be with the minimum film formation temperature of coating as the coating lowest construction temperature.Advantage of the present invention is: adopt the lower limit of the method establishment synthetic resin emulsion coating construction temperature of science, according to basic unit's temperature reasonable selection coating of covering with paint, lacquer, colour wash, etc., avoid the coating quality problem occurring in the source of constructing.
Description of drawings
Fig. 1 is test plate (panel) preparation facilities schematic diagram of the present invention,
Fig. 2 is the schematic diagram of measuring the coating minimum film formation temperature,
1. constant temperature enclosures in figure, 2. dehumidifier, 3. cryogenic box, 4. test plate (panel), 5. plexiglass tent, 6. multi-point temperature measurement rod, 7. moisture recorder, 8. infrared thermometer 9. microscopes, 10. imager, 11. image processors
Below in conjunction with accompanying drawing and example, the present invention is elaborated.
Embodiment
Comprise constant temperature enclosure 1, dehumidifier 2, cryogenic box 3, test plate (panel) 4, it is characterized in that: be placed with cryogenic box 3 and dehumidifier 2 in a constant temperature enclosure 1, one tilted-putted test plate (panel) 4 is arranged on cryogenic box 3, the lower end of test plate (panel) 4 is positioned at cryogenic box 3, the upper end of test plate (panel) 4 is positioned at cryogenic box 3 outsides, and plexiglass tent 5 is arranged on test plate (panel) 4, and multi-point temperature measurement rod 6 is arranged on test plate (panel) 4, the output of multi-point temperature measurement rod 6 connects moisture recorder 7, and an infrared thermometer 8 over against test plate (panel) 4 is arranged above constant temperature enclosure 1.the method of utilizing described a kind of device of measuring lowest construction temperature of synthetic resin emulsion coating to measure, it is characterized in that: the ambient humidity of at first using dehumidifier 2 regulating constant greenhouses 1, test plate (panel) 4 is carried out scale mark, test plate (panel) 4 is inclined in the upper uncovered of cryogenic box 3 in constant temperature enclosure 1, put in plexiglass tent 5 and contain silica-gel desiccant and cover on test plate (panel) 4, the temperature that test plate (panel) 4 does not exist together is through multi-point temperature measurement rod 6 output unbalance voltages, and be sent to moisture recorder 7 and carry out monitoring temperature, when the each point temperature of moisture recorder 7 demonstrations is the stable state tendency, cover with paint, lacquer, colour wash, etc. synthetic resin emulsion coating on test plate (panel) 4, when moisture recorder 7 shows that the each point temperature is stable state again, and coating is during drying and forming-film, measure temperature corresponding to scale mark with infrared thermometer 8, take out test plate (panel) 4, be placed under the object lens of microscope 9, take with imager 10 the micro-imaging figure that films, and be delivered to image processor 11, observe, preserve, work out the analysis chart of filming, the free from flaw that forms continuous uniform is coated with temperature corresponding to film image just as the minimum film formation temperature of coating, with the single-blade cutting tool, above-mentioned same test plate (panel) 4 is measured and judgement by the regulation of existing national standard " cross cut test of paint and varnish paint film " GB/T9286, cutting surfaces outward appearance two places reach temperature corresponding more than 2 grades or 2 grades and just pass through minimum temperature as adhesion.When adhesion by minimum temperature during higher than the minimum film formation temperature of coating, should be with adhesion by minimum temperature as the coating lowest construction temperature, when adhesion by minimum temperature during lower than the minimum film formation temperature of coating, should be with the minimum film formation temperature of coating as the coating lowest construction temperature.
Claims (2)
1. device of measuring lowest construction temperature of synthetic resin emulsion coating, comprise constant temperature enclosure, dehumidifier, cryogenic box, test plate (panel), it is characterized in that: be placed with cryogenic box and dehumidifier in a constant temperature enclosure, one tilted-putted test plate (panel) is arranged on cryogenic box, the lower end of test plate (panel) is positioned at cryogenic box, the upper end of test plate (panel) is positioned at outside cryogenic box, plexiglass tent is arranged on test plate (panel), the multi-point temperature measurement rod is arranged on test plate (panel), the output of multi-point temperature measurement rod connects moisture recorder, and an infrared thermometer over against test plate (panel) is arranged above constant temperature enclosure.
2. the method for utilizing a kind of device of measuring lowest construction temperature of synthetic resin emulsion coating claimed in claim 1 to measure, it is characterized in that: the ambient humidity of at first using dehumidifier regulating constant greenhouse, test plate (panel) is carried out scale mark, test plate (panel) is inclined in the upper uncovered of cryogenic box in constant temperature enclosure, put in plexiglass tent and contain silica-gel desiccant and cover on test plate (panel), the temperature that test plate (panel) does not exist together is through multi-point temperature measurement rod output unbalance voltage, and be sent to moisture recorder and carry out monitoring temperature, when the each point temperature of moisture recorder demonstration is the stable state tendency, cover with paint, lacquer, colour wash, etc. synthetic resin emulsion coating on test plate (panel), when moisture recorder shows that the each point temperature is stable state again, and coating is during drying and forming-film, measure temperature corresponding to scale mark with infrared thermometer, take out test plate (panel), be placed under microscopical object lens, take with imager the micro-imaging figure that films, and be delivered to image processor, observe, preserve, work out the analysis chart of filming, the free from flaw that forms continuous uniform is coated with temperature corresponding to film image just as the minimum film formation temperature of coating, with the single-blade cutting tool, above-mentioned same test plate (panel) is measured and judgement by the regulation of existing national standard " cross cut test of paint and varnish paint film " GB/T9286, cutting surfaces outward appearance two places reach temperature corresponding more than 2 grades and just pass through minimum temperature as adhesion, when adhesion by minimum temperature during higher than the minimum film formation temperature of coating, should be with adhesion by minimum temperature as the coating lowest construction temperature, when adhesion by minimum temperature during lower than the minimum film formation temperature of coating, should be with the minimum film formation temperature of coating as the coating lowest construction temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810039409.9A CN101614728B (en) | 2008-06-23 | 2008-06-23 | Device and method for measuring lowest construction temperature of synthetic resin emulsion coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810039409.9A CN101614728B (en) | 2008-06-23 | 2008-06-23 | Device and method for measuring lowest construction temperature of synthetic resin emulsion coating |
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| Publication Number | Publication Date |
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| CN101614728A CN101614728A (en) | 2009-12-30 |
| CN101614728B true CN101614728B (en) | 2013-06-12 |
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| CN200810039409.9A Active CN101614728B (en) | 2008-06-23 | 2008-06-23 | Device and method for measuring lowest construction temperature of synthetic resin emulsion coating |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564885B (en) * | 2010-12-30 | 2013-12-04 | 廊坊立邦涂料有限公司 | Method for comparing painting amounts of latex paints quickly |
| CN103645304B (en) * | 2013-11-29 | 2016-08-17 | 三棵树涂料股份有限公司 | The method of detection emulsion paint pull-away |
| CN104807723B (en) * | 2014-01-24 | 2018-06-15 | 立邦涂料（中国）有限公司 | The method and apparatus that a kind of polyurethane woodware coating tests sag resistance energy under working viscosity |
| CN110646460A (en) * | 2019-09-18 | 2020-01-03 | 红云红河烟草(集团)有限责任公司 | Device and method for measuring drying and curing time of quantitative characterization emulsion colloid |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6275049B1 (en) * | 1998-02-12 | 2001-08-14 | The Australian National University | Method and apparatus for the measurement of film formation temperature of a latex |
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- 2008-06-23 CN CN200810039409.9A patent/CN101614728B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6275049B1 (en) * | 1998-02-12 | 2001-08-14 | The Australian National University | Method and apparatus for the measurement of film formation temperature of a latex |
Non-Patent Citations (2)
| Title |
|---|
| 天津市有机化工实验厂乳液试验组.聚合物乳液最低成膜温度测定仪.《塑料工业》.1978,(第02期),12-14. |
| 聚合物乳液最低成膜温度测定仪;天津市有机化工实验厂乳液试验组;《塑料工业》;19780228(第02期);12-14 * |
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| CN101614728A (en) | 2009-12-30 |
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