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CLOGGING INHIBITOR FOR COATED ABRASIVE AND CLOGGING INHIBITOR COMPOSITION FOR COATED ABRASIVE
CLOGGING INHIBITOR FOR COATED ABRASIVE AND CLOGGING INHIBITOR COMPOSITION FOR COATED ABRASIVE
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机译:涂层磨料的防堵剂和涂层磨料的防堵剂
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摘要
PROBLEM TO BE SOLVED: To provide a clogging inhibitor which has excellent dispersion stability when dispersed in a dispersion medium and can improve polishing performance after application to a coated abrasive and a clogging inhibitor composition for coated abrasives containing the inhibitor.;SOLUTION: A clogging inhibitor for coated abrasives consists of particles of a 8-24C dicarboxylic fatty acid metal salt and has a grain size summary value A, expressed by equation (1), meeting the condition A≤2.2 and an aggregation degree B meeting the condition B≤20, with the aggregation degree B measured by a powder tester in the particles of the fatty acid metal salt after 10-min standing in an environment of 80°C and expressed by equation (2). Equation (1): grain size summary value A=(D90-D10)/D50, with 1.0≤D50≤40.0, where D10 is a 10% integration size (μm) of the particles of the fatty acid metal salt, based on volume; D50 is a median size (μm) of the particles of the fatty acid metal salt, based on volume; and D90 is a 90% integration size (μm) of the particles of the fatty acid metal salt, based on volume. Equation (2): aggregation degree B=[mass of particles of the fatty acid metal salt remaining in a sieve of a sieve mesh of 350 μm)/2]×100×(1/1)+[(mass of particles of the fatty acid metal salt remaining in a sieve of a sieve mesh of 250 μm)/2]×100×(3/5)+[(mass of particles of the fatty acid metal salt remaining in a sieve of a sieve mesh of 150 μm)/2]×100×(1/5).;COPYRIGHT: (C)2015,JPO&INPIT
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