Calcium carbonate drying equipment, dispersing equipment, drying depolymerization machine

Release time:

2024-09-19 08:32

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Calcium carbonate is currently the largest amount of inorganic filler in organic high polymer-based materials, but calcium carbonate without surface treatment has poor compatibility with high polymers, which simply causes uneven dispersion in high polymer-based materials, resulting in interface defects of composite materials and reducing mechanical strength of materials. With the addition of the amount, these shortcomings are more obvious..

Therefore, in order to improve the application performance of calcium carbonate filler, it is necessary to carry out surface modification treatment to improve its compatibility or affinity with high polymer base material.

The surface modification method of calcium carbonate is chemical coating, supplemented by mechanical chemistry; the surface modifier used includes stearic acid (salt), titanate coupling agent, aluminate coupling agent, zirconium aluminate coupling agent and random polypropylene, polyethylene wax and so on.

The surface modification is carried out with the aid of equipment. The commonly used surface modification equipment is a continuous powder surface modification machine.“Honeycomb mill".The honeycomb mill is modified to process.The material and the surface modifier are fed in simultaneously,Stearic acid is usually fully dispersedThe dosage depends on the particle size or specific surface area of the powder,Under the high-speed operation of the multi-stage alloy stirring plate, the mixed friction of the material and the medium is driven, so that the modifier is coated on the surface of calcium carbonate to form a layer of nano-coated grinding, honeycomb grinding.Modification can also be appropriate to add other additives.Covering rate up99.2%, the activation rate was 99.8%.

The "honeycomb mill" has a high production capacity, making it ideal for continuous production processes. This continuous operation can significantly increase productivity and save costs. The ability to continuously operate the spray dryer also ensures a stable supply of products to meet the needs of a fast-paced manufacturing environment.AlsoCan be used in new energy materials, steel and metal, chemical, pharmaceutical, food and other industries. By utilizingMulti-functional integrationThe company can improve product quality, operational efficiency and meet the changing needs of the market.

Reference source: Baidu Library. If there is infringement please contact delete!

 

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