Colloidal nano sulfur and sulfur colloidal nano encapsulation modification method
A nano-sulfur and colloidal technology, applied in the direction of microcapsule preparation, microsphere preparation, etc., can solve the problems of low powder sulfur fineness, easy electrostatic self-agglomeration, limited dispersion ability, etc., to reduce the powder fineness And the surface energy, the feeding method is flexible, and the effect of not being easy to early scorch
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Embodiment 1
[0026] a, with 80 parts by weight and particle size of sulfur powder of 48 ~ 75 μm, 8 parts by weight of liquid nitrile rubber, 5 parts by weight of triglyceride fatty acid ester, 4 parts by weight of monoglyceride fatty acid ester and 3 parts by weight of Zinc stearate is dropped into homogenizer and stirred evenly, obtains mixed raw material;
[0027] b. Put the mixed raw material obtained in step a into the reactor, control the temperature in the reactor at 75°C, control the pressure in the reactor at 0.1Mpa, and react for 25 to 30 minutes to obtain the mixed colloid;
[0028] c. Take out the mixed colloid obtained in step b and immediately grind it (i.e. carry out nano-encapsulation) to obtain a colloidal nano-sulfur semi-finished product;
[0029] d. Cooling the colloidal nano-sulfur semi-finished product obtained in step c to room temperature to obtain the colloidal nano-sulfur finished product.
[0030] The colloidal fineness of the colloidal nano-sulfur finished produ...
Embodiment 2
[0032] a, 75 parts by weight of sulfur powder with a particle size of 48 to 75 μm, 9 parts by weight of liquid nitrile rubber, 6 parts by weight of triglyceride fatty acid ester, 6 parts by weight of monoglyceride fatty acid ester and 4 parts by weight of Zinc stearate is dropped into homogenizer and stirred evenly, obtains mixed raw material;
[0033] b. Put the mixed raw materials obtained in step a into the reactor, control the temperature in the reactor at 100°C, control the pressure in the reactor at 0.3Mpa, and react for 20 to 25 minutes to obtain the mixed colloid;
[0034] c. Take out the mixed colloid obtained in step b and immediately grind it (i.e. carry out nano-encapsulation) to obtain a colloidal nano-sulfur semi-finished product;
[0035] d. Cooling the colloidal nano-sulfur semi-finished product obtained in step c to room temperature to obtain the colloidal nano-sulfur finished product.
[0036] The colloidal fineness of the colloidal nano-sulfur finished prod...
Embodiment 3
[0038] a, 70 parts by weight and particle size of sulfur powder of 48 ~ 75 μm, 10 parts by weight of liquid nitrile rubber, 7 parts by weight of triglyceride fatty acid ester, 8 parts by weight of monoglyceride fatty acid ester and 5 parts by weight of Zinc stearate is dropped into homogenizer and stirred evenly, obtains mixed raw material;
[0039] b. Put the mixed raw material obtained in step a into the reactor, control the temperature in the reactor at 150°C, control the pressure in the reactor at 0.4 Mpa, and react for 15 to 20 minutes to obtain the mixed colloid;
[0040] c. Take out the mixed colloid obtained in step b and immediately grind it (i.e. carry out nano-encapsulation) to obtain a colloidal nano-sulfur semi-finished product;
[0041] d. Cooling the colloidal nano-sulfur semi-finished product obtained in step c to room temperature to obtain the colloidal nano-sulfur finished product.
[0042] The colloidal fineness of the colloidal nano-sulfur finished product...
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