Grinding pad and manufacturing method thereof
A manufacturing method and a technology for grinding pads, which are applied in the directions of grinding tools, chemical instruments and methods, abrasives, etc., to achieve the effect of improving grinding performance and improving productivity
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Embodiment 1
[0113] Embodiment 1. the first grinding body is made
[0114] The first fine particle abrasive material as diamond and the water-soluble solvent are mixed with a ball mill, whereby dispersion is performed without flocculation phenomenon. The dispersed first particulate abrasive material is dried to evaporate the solvent, thereby obtaining the first particulate abrasive material powder.
[0115] Moreover, polyvinyl alcohol (PVA) with a weight average molecular weight of 40,000, polyethylene glycol (PEG) with a weight average molecular weight of 2,000, and dextrin (Dextrin) with a weight average molecular weight of 2,000 and a water-soluble solvent are mixed to make a polymer adhesive. Binder. Wherein, relative to 100 parts by weight of the above-mentioned first particulate abrasive material, the above-mentioned polyvinyl alcohol (PVA) contains 4 parts by weight, polyethylene glycol contains 3 parts by weight, and dextrin contains 3 parts by weight to make a polymer binder.
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Embodiment 2
[0117] Embodiment 2. the first grinding body is made
[0118] A first abrasive body was produced by the same method as in Example 1 except that 100 parts by weight of silica powder was mixed with respect to the first particulate abrasive material.
Embodiment 3
[0119] Embodiment 3. the first grinding body is made
[0120] A first abrasive body was produced by the same method as in Example 1 except that 200 parts by weight of silica powder was mixed with respect to the first particulate abrasive material.
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