Superfine abrasive biomacromolecule flexible polishing film and preparing method thereof
A biopolymer, flexible polishing technology, applied in the direction of grinding/polishing equipment, abrasives, chemical instruments and methods, etc., to achieve the effect of solving agglomeration, good flexibility, and avoiding scratches
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Embodiment 1
[0025] Add diamond with a particle size of 500nm to the aqueous solution of KH-550 silane coupling agent (the concentration of coupling agent is 0.005%, the amount of diamond added is 1%) and sonicate for 30 minutes. Treated diamond powder (after surface treatment, the functional groups formed by the hydrolysis of the coupling agent are adsorbed on the diamond and filtered to obtain diamond powder), SiO2 with a particle size of 30nm, SDS, sucrose, carrageenan and starch are mixed in deionized water by mechanical stirring Uniform, their mass percent concentrations are 1%, 3%, 0.1%, 3%, 6%, 4% respectively. The sol is evenly coated on the surface of the non-woven fabric through a coating machine, and the atomized sodium ion solution is sprayed to form a gel. After being dried at a constant temperature, it adheres to the back glue to make the polishing film of the present invention. Paste the polishing film on the polishing disc of the AUTOPOL-1000S automatic grinding and polish...
Embodiment 2
[0027] At room temperature, alumina with a particle size of 10 μm was added to TTS titanate coupling agent (the amounts of alumina and TTS were 2% and 0.02%, respectively) and sonicated for 10 minutes. The treated alumina, CaCO3 with a particle size of 20nm, NaCl grains, glycerol, chitosan and sodium alginate were mixed uniformly in deionized water by mechanical stirring, and the mass percentage concentrations were 2%, 1%, 0.2%, respectively. %, 3%, 3.5%, 5%. Coating the sol onto a circular HASL universal board, soaking it in a calcium ion solution to form a gel film. After infrared drying, the film is gently torn off from the universal plate, and the smooth surface of the film is pasted on the round adhesive, so that the polishing film of the present invention can be produced. Paste this polishing film on the polishing disc of AUTOPOL-1000S automatic grinding and polishing machine, the grinding disc speed is set to 90rpm, the sample loading disc speed is set to 80rpm, and th...
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