A Characterization Method for Surface Coating Uniformity and Dispersion of Titanium Dioxide
A titanium dioxide and surface coating technology, which is applied in the field of testing the performance of titanium dioxide surface coating layer, can solve the problems of inability to directly reflect the uniformity of titanium dioxide coating, and achieve the effect of strong operability
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example 1
[0037] Weigh 0.1g of 1# sample and dry it at 105°C for 5 hours. At the same time, turn on the field emission scanning electron microscope and the energy spectrometer to preheat for 30 minutes. Then put the sample into the scanning electron microscope sample chamber for testing. point scanning, the Al element content in different points is converted into Al according to the principle of mass conservation2 o 3 Quantity, the scanning electron microscope (SEM) low-magnification topography of 1# sample and the composition of each scanning point such as figure 1 and shown in Table 2, analyze the Al in Table 2 2 o 3 The difference between the maximum value and the minimum value, the analysis shows that the difference is 2.36%-1.53%=0.83%. In addition, the oil dispersibility of the 1# sample is 6.25 (HG) as detected by the method of the prior art.
[0038] Table 21# Sample point scan chemical composition / %
[0039] Measuring point
example 2
[0041] Weigh 0.15g of the 2# sample and dry it at 105°C for 2 hours. At the same time, turn on the field emission scanning electron microscope and the energy spectrometer to preheat for 30 minutes. Then put the sample into the scanning electron microscope sample chamber for testing. point scanning, the Al element content in different points is converted into Al according to the principle of mass conservation 2 o 3 Quantity, the scanning electron microscope (SEM) low-magnification topography of 2# sample and the composition of each scanning point such as figure 2 and shown in Table 3, analyze the Al in Table 3 2 o 3 The difference between the maximum value and the minimum value, the analysis shows that the difference is 4.00%-2.47%=1.53%. In addition, the oil dispersibility of the 2# sample was detected to be 5.75 (HG) by the method of the prior art.
[0042] Table 32# Sample point scan chemical composition / %
[0043] Measuring point
[0044] 3
example 3
[0046] Weigh 1g3# sample and dry it at 105°C for 10 hours. At the same time, turn on the tungsten scanning electron microscope and the energy spectrometer to preheat for 30 minutes. Then put the sample into the scanning electron microscope sample chamber for testing. Take a picture of the morphology at 500 times, and select 6 points Carry out point scanning, and convert the Al element content in different points into Al according to the principle of mass conservation 2 o 3 Quantity, the scanning electron microscope (SEM) low-magnification topography of 3# sample and the composition of each scanning point such as image 3 and shown in Table 4, analyze the Al in Table 4 2 o 3 The difference between the maximum value and the minimum value, the analysis shows that the difference is 3.00%-2.44%=0.56%. In addition, the oil dispersibility of the 3# sample is 6.5 (HG) as detected by the method of the prior art.
[0047] Table 43# Sample point scan chemical composition / %
[0048] ...
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