Preparation method for melamine cyanurate nanosheet microsphere and application thereof
The technology of melamine cyanurate and melamine is applied in the field of preparation of nano-sheet micro-spherical melamine cyanurate, which can solve the problems of uneven dispersion, bridging of feeding materials, poor fluidity of powder, etc. The effect of preventing feeding bridging and high flame retardant efficiency
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Embodiment 1
[0040] Add 20kg cyanuric acid (purity 98.5%) and 19.2kg melamine (purity 99.5%) in 50L reactor, after stirring and mixing evenly, add 23.5kg water, heat up to 90~95 ℃. After 1 hour, 31.36 g of sodium alkylphenol phenyl ester disulfonate was added, and the reaction was continued for 2 hours. Dry to obtain melamine cyanurate nanosheet microspheres with an average particle diameter of 4.8 μm.
[0041] figure 1 Shown is the SEM collection of illustrative plates of the melamine cyanurate nano sheet microsphere prepared by the present embodiment, by figure 1 It can be seen that the microsphere is composed of nanosheets with a thickness of about 30 nm and a width of about 200 nm.
Embodiment 2
[0043] Add 39.2 g of sodium alkylphenol phenyl ester disulfonate after heating up to 90-95°C for 1 hour. The rest are the same as embodiment 1.
Embodiment 3
[0045] Add 31.6g fatty alcohol polyoxyethylene 30 ether methyl silane after heating up to 90-95°C for 0.5h. The rest are the same as embodiment 1.
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