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Surface Modification Processes for Modified Calcium Carbonate

Surface Modification Processes for Modified Calcium Carbonate

Modified calcium carbonate is a highly cost-effective inorganic material; it is essentially nano-sized, and compared with other similar functional products, it boasts advantages such as readily available raw materials, high quality at low cost, fine particle size, strong tinting strength, non-toxicity to living organisms, and a broad selection of surface modifiers. However, as calcium carbonate particles are reduced to the nanoscale, two inherent drawbacks emerge: first, the smaller the particle size, the greater the surface adsorption, leading to agglomeration among particles and poor dispersion within the polymer matrix; second, as an inorganic filler, nano-calcium carbonate exhibits hydrophilic surface characteristics that are…

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What is the function of ultrafine modified calcium carbonate?

What is the function of ultrafine modified calcium carbonate?

What are the functions of ultra-fine modified calcium carbonate? Ultra-fine calcium carbonate is a novel solid raw material based on nanotechnology, with wide-ranging applications, unlimited potential, and high value for development and application. So, what are the functions of ultra-fine modified calcium carbonate? What are the functions of ultra-fine modified calcium carbonate? 1. Enhancing dimensional stability of plastic products: The reinforcement provided by calcium carbonate acts as a skeletal structure in plastic products, thereby influencing their dimensional stability; 2. Increasing hardness and stiffness of plastic products: In plastics, especially flexible PVC, the addition of calcium carbonate leads to an increase in hardness.

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