Method for detecting emulsion paint film and smell in construction

A latex paint and odor technology, which is applied in the field of paint film odor detection, can solve the problems of few samples, the inability to intuitively reflect the size of the odor, and the lack of objective judgment basis, so as to achieve objective and fair evaluation, easy promotion, and high reliability Effect

Active Publication Date: 2016-03-30
SKSHU PAINT
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Problems solved by technology

This detection method lacks objective judgment basis and cannot intuitively reflect the size of the smell; at the same time, too few samples are selected, the statistical power is not strong, and people's subjective judgment is affected by many uncertain factors. It is not exactly the same, and it is even more impossible to distinguish samples with similar odors. At the same time, the 3h odor dissipation mentioned in CN101118231AZ has no reasonable index characterization, so it is full of many uncertainties and also affects the accuracy of the results. At the same time, the judgment is only limited to the finished paint and the paint film measurement within the scope of the laboratory, and the more important construction environment has not been paid attention to. Therefore, the current judgment method has many limitations.

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  • Method for detecting emulsion paint film and smell in construction

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Embodiment Construction

[0038] The present invention is described in detail below in conjunction with accompanying drawing description:

[0039] The present invention comprises the steps:

[0040] Step 1: Wash and dry the odor measurement chamber and glass plate with distilled water for later use;

[0041] Step 2: Test the smell of roller coating construction: use a wire rod to evenly smear the test sample on the glass plate for plate making, then put the glass plate into the odor measurement cabin and close the cabin door 2; leave it for 1h, and then open the cabin door 2 , test with an odor tester, the smell tester should be 10cm away from the glass plate, record the highest value of the reading within 1min, test 3 times continuously, and take the average value of each group of data;

[0042] Step 3: Paint film odor test: fully open the door 2 of the odor measurement cabin, so that the inside of the odor measurement cabin 1 is completely connected to the test environment outside the cabin 1 and th...

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Abstract

The invention relates to the field of detection of the smell of a paint film, especially to a method for detecting an emulsion paint film and smell in construction. The method comprises the following steps: step 1, cleaning a smell determination cabin and a glass plate with distilled water and drying the cleaned smell determination cabin and glass plate for subsequent usage; step 2, testing the smell of the emulsion paint film in roller coating construction by carrying out roller coating of the film on the glass plate, then placing the glass plate into the smell determination cabin, closing the door of the cabin, then opening the door of the cabin and carrying out testing by using a smell measuring instrument; step 3, testing the smell of the emulsion paint film by completely opening the door of the smell determination cabin, then tightly closing the door of the smell determination cabin again, carrying out standing for at least 1 h, then opening the door of the cabin and carrying out testing by using the smell measuring instrument; step 4, repeating testing the smell of the emulsion paint film in the step 3 twice to three times, wherein an interval between two adjacent tests is at least 2 h; and step 5, result evaluation. The method can objectively and authentically reflect the smell given out by the emulsion paint film during construction and eliminate uncertainty in detection process.

Description

technical field [0001] The invention relates to the field of paint film odor detection, in particular to a method for detecting latex paint film and construction odor. Background technique [0002] During the preparation and construction of latex paint, the smell of the latex paint will be further amplified due to the addition of different emulsions and the further atomization of the latex paint during the spraying process. The existing detection method - Nippon Paint's 2008 patent (CN101118231A) mainly adopts the subjective judgment method of people, uses statistical methods, samples through many people, and further compares the size of two kinds of smells to people. This detection method lacks objective judgment basis and cannot intuitively reflect the size of the smell; at the same time, too few samples are selected, the statistical convincing power is not strong, and people's subjective judgment is affected by many uncertain factors. It is not exactly the same, and it i...

Claims

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Application Information

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IPC IPC(8): G01N33/00G01N33/26
Inventor 洪杰李强何玲玲陈松魏欣欣林昌庆
Owner SKSHU PAINT
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