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Stone-like coating detection method

A detection method, the technology of real stone paint, applied in the direction of material inspection products, etc., can solve the problem of not being able to quickly detect the low-temperature, high-humidity and water-whitening performance of real stone paint, so as to improve accuracy and stability, reduce detection time, and improve detection efficiency effect

Inactive Publication Date: 2017-05-10
佛山市顺德区巴德富实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the traditional method of testing the water resistance of real stone paint cannot accurately and quickly detect the low-temperature and high-humidity water whitening resistance of real stone paint.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The detection method of genuine stone paint of the present invention comprises the steps:

[0037] a: Under normal pressure and a temperature of 20°C, apply transparent primer evenly on three test panels, and let it dry naturally at room temperature, and then evenly spray real stone paint on the dried primer on the test panels;

[0038] b: Put the test panel sprayed with real stone paint in step a for 16 hours in a low-temperature and high-humidity environment, the ambient temperature is 3°C, and the relative humidity is 70%RH;

[0039] c: Place the test plate cured in step b vertically in the flushing device under normal pressure and a temperature of 20°C, and wash the test plate with water at a flow rate of 100ml / min for 2 hours, and the temperature of the water flow is 20°C. ℃;

[0040] d: Place the test panel after flushing in step c in a blowing device under normal pressure and a temperature of 20°C, and air-dry it for 1 hour at a wind speed of 2.5m / s;

[0041] e...

Embodiment 2

[0044] The detection method of genuine stone paint of the present invention comprises the steps:

[0045]a: Under normal pressure and a temperature of 30°C, apply transparent primer evenly on three test panels, and let it dry naturally at room temperature, and then evenly spray real stone paint on the dried primer on the test panels;

[0046] b: Put the test panel after spraying the real stone paint in step a into a low-temperature and high-humidity environment for 20 hours, the ambient temperature is 8°C, and the relative humidity is 90%RH;

[0047] c: Place the test plate cured in step b vertically in the flushing device under normal pressure and a temperature of 30°C, and wash the test plate with water at a flow rate of 200ml / min for 6 hours, and the temperature of the water flow is 30°C. ℃;

[0048] d: Place the test panel after flushing in step c in a blowing device under normal pressure and a temperature of 30°C, and air-dry it for 3 hours at a wind speed of 4.5m / s;

...

Embodiment 3

[0052] The detection method of genuine stone paint of the present invention comprises the steps:

[0053] a: Under the environment of normal pressure and temperature of 23 ℃, apply transparent primer evenly on the three test boards, and let it dry naturally at room temperature, and then evenly spray real stone paint on the dried primer of the test boards;

[0054] b: Put the test board after spraying the real stone paint in step a into a low-temperature and high-humidity environment for 17 hours, the ambient temperature is 5°C, and the relative humidity is 75%RH;

[0055] c: Place the test plate cured in step b vertically in the flushing device under normal pressure and a temperature of 24°C, and wash the test plate with water at a flow rate of 130ml / min for 3 hours, and the temperature of the water flow is 23 ℃;

[0056] d: Place the test panel after flushing in step c in a blowing device under normal pressure and a temperature of 24°C, and air-dry it for 1.5 hours at a wind...

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PUM

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Abstract

The invention discloses a stone-like coating detection method. The stone-like coating detection method comprises the following steps of a: evenly applying a transparent undercoat on three experiment boards under the environments of the normal pressure and the temperature of 20-30 DEG C, naturally air-drying at the normal temperature, and evenly spraying a stone-like coating on the dry undercoat on the experiment board; b: maintaining the experiment boards sprayed with the stone-like coating in the step a for 16-20 hours under the environments of low temperature and high humidity, wherein the environment temperature is 3-8 DEG C, and the relative humidity is 70-90% RH; c: vertically placing the experiment boards maintained in the step b in a water flushing apparatus under the environments of the normal pressure and the temperature of 20-30 DEG C, washing the experiment boards with water flow for 2-6 hours at the flow velocity of 100-200 ml / min, wherein the temperature of the water flow is 20-30 DEG C; d: placing the experiment boards washed in the step c in a blast apparatus under the environments of the normal pressure and the temperature of 20-30 DEG C, and air-drying the experiment boards for 1-3 hours at the air speed of 2.5-4.5 m / s; and e: recording the detection result of the experiment boards air-dried in the step d. The stone-like coating detection method can rapidly and accurately detect the properties of low-temperature high-humidity water-white resistance.

Description

technical field [0001] The invention relates to a method for detecting architectural coatings, in particular to a method for detecting the low-temperature and high-humidity water-whitening resistance of real stone paints. Background technique [0002] Real stone paint, also known as "imitation stone paint", is an architectural paint prepared by matching natural colored sand and emulsion, and adding various additives. Because of its advantages of imitating marble, granite, natural stone, etc., it is favored by consumers. Since exterior wall paints are usually exposed outdoors and have to withstand the test of sun and rain, real stone paint has a great advantage in exterior wall coating, and its performance requirements are also particularly high, especially in low temperature, high humidity, water whitening resistance. performance. In autumn, winter and early spring, most parts of the country will experience low temperature and high humidity weather, and some areas will e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/32
CPCG01N33/32
Inventor 覃宁文周永斌周杜信林其欣邱运吉
Owner 佛山市顺德区巴德富实业有限公司
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