High temperature-resistant composite inorganic binder, as well as preparation method and application thereof
An inorganic binder and high-temperature-resistant technology, applied in the direction of inorganic adhesives, adhesives, coatings, etc., can solve the problems of high-temperature corrosion protection for aircraft propellers, and achieve excellent thermal shock resistance, excellent corrosion resistance, The effect of strong adhesion
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[0028] Example 1:
[0029] Raw material ratio: 10.0g of analytical grade solid aluminum dihydrogen phosphate, 80.0g of acidic zirconium sol with a solid content of 10%, an average particle size of 1nm and a pH of 2.0, and 10.0g of water.
[0030] Preparation steps: add water and solid aluminum dihydrogen phosphate into the reactor, heat up to 40° C. at a stirring speed of 300 rpm, and keep the pH at 2.1 until the dissolution reaction is complete. Then take the above zirconium sol and add it dropwise to the aluminum dihydrogen phosphate solution to obtain a translucent liquid, which is cooled to normal temperature and discharged to obtain a high temperature resistant composite inorganic binder.
[0031] Base material performance: the binder density (25℃, normal pressure) 1.23g / cm 3 , Viscosity (25℃, tu-4 # Cup) 14s, solid content 18%, pH of the system 2, storage period (25℃) 10 months.
[0032] Coating film performance: air sprayed to make a coating film, the temperature of the coating...
Example Embodiment
[0033] Example 2:
[0034] The ratio of raw materials: 70.0g of solid aluminum dihydrogen phosphate, 10.0g of acidic zirconium sol with a solid content of 15%, an average particle size of 10nm, and a pH of 4.0, and 20.0g of water.
[0035] Preparation steps: add water and solid aluminum dihydrogen phosphate into the reactor, heat up to 30°C at a stirring speed of 800 rpm, and keep the pH at 2.0 until the dissolution reaction is complete. Then take the above zirconium sol and add it dropwise to the aluminum dihydrogen phosphate solution to obtain a translucent liquid, which is cooled to normal temperature and discharged to obtain a high temperature resistant composite inorganic binder.
[0036] Base material properties: the binder density (25℃, normal pressure) 1.69g / cm 3 , Viscosity (25℃, tu-4 # Cup) 35s, solid content 71.5%, pH value 2.1, storage period (25°C) 12 months.
[0037] Coating film performance: air sprayed to make a coating film, the temperature of the coating film is meas...
Example Embodiment
[0038] Example 3:
[0039] The ratio of raw materials: 30.0g of solid aluminum dihydrogen phosphate, 50.0g of neutral zirconium sol with a solid content of 20%, an average particle size of 20nm, and a pH of 6.0, and 20.0g of water.
[0040] Preparation steps: add water and solid aluminum dihydrogen phosphate into the reactor, heat up to 50° C. at a stirring speed of 1000 rpm, and keep the pH at 2 until the dissolution reaction is complete. Then take the above zirconium sol and add it dropwise to the aluminum dihydrogen phosphate solution to obtain a translucent liquid, which is cooled to normal temperature and discharged to obtain a high temperature resistant composite inorganic binder.
[0041] Base material properties: the binder density (25℃, normal pressure) 1.53g / cm 3 , Viscosity (25℃, tu-4 # Cup) 24s, 40% solid content, pH 2.7, storage period (25°C) 11 months.
[0042] Coating film performance: air spraying to make a coating film, the temperature of the coating film measured at ...
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