Organic coating technology of titanium dioxide for oil-based coatings

1. An organic surface treatment method for improving the dispersibility and temperature resistance of titanium dioxide in oil-based coatings, characterized in that: first, an appropriate amount of special organic silicon material with viscosity is added to an appropriate amount of industrial ethanol, and then sulfuric acid rutile type titanium dioxide that has been coated with silicon aluminum inorganic coating is added, and subjected to beating treatment for 30 minutes; Bake titanium dioxide in a 110 degree oven for 4 hours, cool it down, and then crush it with a small airflow crusher to obtain the desired titanium dioxide.
2. An organic surface treatment method for improving the dispersibility and temperature resistance of titanium dioxide in oil-based coatings as claimed in claim 1, characterized in that the organic material is a silane complex containing one or more amino groups, methacryloxy groups, or a dimethoxy group. The molecular formulas of organic silicon materials are:
Alkyl silane coupling agent: CnH 2n+l Si (OC2H5) 3 or CnH 2n+l Si (0CH3) 3 n=1-10
Methacryloxysilane coupling agent: CH2CH (CH3) C (O) 0CnH2n+l Si (OC2H5) 3
Or CH2CH (CH3) C (0) 0 CnH 2n+l Si (OCH3) 3n=1-5
Aminosilane coupling agent NH2CnH 2n+lSi (0C2H5) 3 or NH2CnH 2n+lSi The dosage of organic silicon material (OCH3) 3 or NH2CH2CH2NH2CnH 2n+lSi (OC2H5) 3 or NH2CH2CH2NH2CnH 2n+lSi (OCH3) 3n=1-5 is: 0 5-1.  5%.
3. An organic surface treatment method for improving the application performance of titanium dioxide as claimed in claim 1, characterized in that the titanium dioxide subjected to organic surface treatment is a sulfuric acid method rutile type titanium dioxide that has not undergone any organic treatment but has been coated with silicon aluminum inorganic coating.