Light-cured composite resin for oral cavity by using single crystal diamond as filler and preparation method thereof
A technology of single crystal diamond and composite resin, which is applied in the direction of dental preparations, digestive system, drug combination, etc., can solve the problems of no increase in wear resistance and flexural strength, high price of artificial nano-diamonds, no obvious changes, etc., and achieve the goal of preparing The method is simple and easy to implement, the performance is improved, the effect of flexural strength and microhardness is improved
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[0025] 1. Preparation method of composite resin:
[0026] (1) Equipped with resin monomer: mix dimethacrylate-based main monomer and diluent according to the amount, dissolve it in acetone, add it into the self-made experimental device and stir evenly,
[0027] (2) Add initiator (photoinitiator and co-initiator) according to the amount, and continue to stir under the dark;
[0028] (3) Modify (coupling) the base material separately: Add a certain amount of base material into ethanol, ultrasonically disperse for 30 minutes, and then add the hydrolyzed silane coupling agent at a weight ratio of 1:1 to the base material. Stir and react at ℃ for about 24 hours, then centrifugally dry to obtain the modified base material.
[0029] (4) Add the modified barium glass powder into the solution of (2) according to the amount, and continue to stir at a speed of 3000r / min for 15min while ultrasonicating.
[0030] (5) Vacuum the experimental device with a vacuum pump to remove the solvent...
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