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Production process characteristics of Fluorosilane coupling agent
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Production process characteristics of Fluorosilane coupling agent

The hydrolysis rate of Fluorosilane coupling agent is taken from the silicon functional group Si-X, while the reactivity with organic polymers is taken from the carbon functional group C-Y. Therefore, for different substrates or processing objects, it is very important to choose a suitable silane coupling agent. The selected method is mainly pre-selected through experiments and should be carried out on the basis of existing experience or rules.

One of the main fields of application of Fluorosilane coupling agent is the treatment of inorganic fillers used in organic polymers. The latter is treated with a silane coupling agent to transform its hydrophilic surface into an organophilic surface, which can not only avoid the accumulation of particles in the system and the rapid thickening of the polymer, but also improve the wettability of the organic polymer to the reinforcing filler. , through the carbon-functional silane can also make the reinforcing filler and the polymer to achieve a strong bond.

However, the effect of using the Fluorosilane coupling agent is also related to the type and amount of the Fluorosilane coupling agent, the characteristics of the substrate, the properties of the resin or polymer, and the application occasion, method and conditions. There are two methods of using silane coupling agents, namely surface treatment method and overall blending method. The former method is to treat the surface of the substrate with a dilute solution of silane coupling agent; the latter method is to directly add the stock solution or solution of silane coupling agent to the mixture made of polymer and filler, so it is especially suitable for the material system that needs to be stirred and mixed.

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