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Surface modification is one of the most important and necessary deep processing technologies for the production of calcium carbonate (including light calcium carbonate and heavy calcium carbonate). Calcium carbonate coating machine is the equipment that can be used for surface modification.
The surface modification of calcium carbonate powder must be based on the mechanism of surface modification, and at the same time consider the substrate, main formula and technical requirements of organic polymer products in downstream products, and select a reasonable calcium carbonate coating machine after comprehensive consideration to determine the surface modification process and equipment in order to produce qualified activated calcium carbonate powder on this basis.
In order to make the good quality coated calcium carbonate powder by coating machine, we need to select the suitable surface modifier. When choosing the surface modifier, we need to consider the following points: 1) dispersion of calcium carbonate; 2) bonding with the interface of organic polymer materials; 3) functionalization and specialization after surface modification;
Therefore, the above points should be comprehensively considered when selecting a surface modifier, and the base material of downstream organic polymer products should also be considered according to the structure and properties of the surface modifier and its mechanism of action with calcium carbonate powder. Properties, formulations, technical requirements of the process and the physical and chemical properties of calcium carbonate, make the correct and targeted selection.
Main Components of Coating Machine:
Non-metallic mineral powder coating machine includes the following parts: raw material silo, pharmaceutical barrel, screw feeder, pharmaceutical metering and filling system, modification machine host, cyclone collector, pulse dust collector, induced draft fan, electric control system, etc. Partly composed.
The coating machine is composed of three shaped modification cylinders. The dried powder and the precisely metered modifier enter the modification cylinder at the same time. The main motor drives the high-speed rotating rotor to make the material flow as a snail, And the heat generated by relatively high-speed shearing, collision and friction with the stator installed on the reforming cylinder rapidly forms a film for modification.
1. Good dispersion of powder and surface modifier, uniform coating of particle surface, less amount of modifier; especially suitable for surface modification of ultra-fine powder.
2. The coating machine can run continuously for production with large processing capacity, which is suitable for industrial production of various scales.
3. The usage rate of the modified agent is high, the dosage is small, the powder coating rate and activation index are high, and the energy consumption is low.
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Contact Person: Henry
Tel: +86 188 9987 6785