| abstract |
The invention relates to a method for synthesizing fluorescent particles by means of a suspension polymerization method. Mix deionized water, polyvinyl alcohol 1799 and polyvinyl alcohol 1788. After mixing, heat and stir in a water bath to completely dissolve the polyvinyl alcohol. After the polyvinyl alcohol is completely dissolved, lower the temperature and stop stirring; Mix benzoyl oxide and fluorescent whitening agent OB-1 into the mixed solution in step 1, start stirring to disperse the monomer into oil beads of uniform size; increase the speed and temperature to complete the reaction, and the beads are further hardened ; The product is taken out, filtered, washed, and dried to obtain fluorescent particles. The shape of the fluorescent particles is regular spherical, the density is 1.06g/mm 3 , and the particle size can be adjusted within the range of 85-120μm according to the experimental requirements. The density and particle size together ensure that the synthesized particles have better followability to the fluid and can well reflect the real movement of the fluid. |