Flame retardant material ball mill, modification machine, honeycomb mill, shaper

Release time:

2024-10-11 10:38

Source:

Surface modification is through physical or chemical methods, the use of surface modifiers for surface chemical reaction and surface coating of flame retardant powder to change the chemical and physical properties of the surface of the flame retardant powder, improve its compatibility with the matrix resin, dispersion and flame retardant effect..

Common Surface Modifier：coupling agent：Such as silane, titanate, aluminate, etc., can form a coupling layer on the surface of the flame retardant powder to enhance the binding force with the resin matrix. surface active agent：Such as higher fatty acids and their salts, higher amine salts, non-ionic surfactants, etc., can improve the dispersion and wettability of the flame retardant powder in the medium.organic silicon compound：Has good high temperature resistance and weather resistance, can be used to improve flame retardantStability of the powder.

modified method：

dry method：Usually, the flame retardant powder and the surface modifier are mixed with high-speed stirring or ball milling, so that the surface modifier is evenly distributed on the surface of the powder.Dry commonly used modification equipment"Honeycomb mill" for processing,Honeycomb mill modification process is an air sweeping system., The material is transported to the system through the air flow and combined with the atomized modifier to form a single-layer nano-coating film, the coating rateUsuallyReachable99.2%,activation rate99.8%。

The mechanical force chemical modification method acts on the surface of the grinding medium, which can be significant.Reduce the reaction temperature of the systemand activation energy, promoting the reactionFast completionThis modification method has the advantages of simple operation, wide application range, short time and low cost, and can be directly obtained after modification, so it has become one of the most effective and promising methods for preparing composite particles.

wet method：It isThrough mechanical equipmentThe flame retardant powder is dispersed in a solvent, and a surface modifier is added to react or coat it to form a stable modified layer.

Effect and Application of Modified Coating：improve flame retardant performance：Through surface modification and microencapsulation, the flame retardant powder can be better dispersed in the matrix resin to form a continuous flame retardant layer, thereby improving the flame retardant performance of the material. Improve processing performance：The compatibility of the modified coated flame retardant powder with the matrix resin is enhanced, which helps to improve the material quality.The processing performance of the material and the quality of the final product..

Expand the scope of application：Modified coating technology can meet the needs of different fields and promote the wide application of flame retardant materials in construction, transportation, electronic and electrical fields.

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