Water-based inorganic non-expansion type fire-proof paint for inner orbit carriage and preparation method thereof
A fire-resistant coating, water-based technology, applied in the field of electrostatic spraying coatings and coating compositions based on inorganic substances, can solve the problems of high price, high cost, difficult construction, etc., and achieve the effect of proper material selection, low cost and reasonable formula
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[0028] The used raw material kind of example 1,2,3 and proportioning ratio are as shown in table 3
[0029] Table 3 Coating Preparation (Total 500g)
[0030]
[0031] Note: dispersant 737 is COATEX PE737; defoamer 318 is SN-Defoamer318; defoamer 154 is SN-Defoamer154.
[0032] This example adopts the SDF-400 disperser with a blade diameter of 60mm. First, put the pigment and filler, half of the dispersant, and water into the material tank, and disperse for 30 minutes at 2000-2500r / min. At the same time, add AMP-95 to stabilize the pH value, and prepare a uniformly dispersed color paste. After the dispersion, adjust the speed of the disperser to 500r / min, slowly add the silica sol, and disperse at a low speed for 30 minutes. Afterwards, slowly add the uniformly mixed bisfluororesin and alcohol ester-12 into the dispersion tank, and at the same time add the remaining dispersant 737, defoamer, and emulsifier OP-10, and disperse for 100 minutes.
[0033]Thus, the dope was pr...
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