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CONTACT ANGLE-MEASURING METHOD OF POWDER, SURFACE FREE ENERGY DETERMINATION METHOD OF POWDER, INSPECTION METHOD OF POWDER, AND POWDER
CONTACT ANGLE-MEASURING METHOD OF POWDER, SURFACE FREE ENERGY DETERMINATION METHOD OF POWDER, INSPECTION METHOD OF POWDER, AND POWDER
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机译：粉体的接触角测量法，粉体的表面自由能测定法，粉体的检查方法及粉体
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摘要
PROBLEM TO BE SOLVED: To provide a new contact angle-measuring method of powder, easier in comparison with a conventional difficult contact angle-measuring method of powder using a pressure molding pellet of the powder, capable of measurement regardless of the type of the powder, a surface free energy measuring method of the powder using a contact angle value determined by the measuring method, an inspection method of the powder by the contact angle measuring method, and the powder inspected by the inspection method.;SOLUTION: This contact angle measuring method of the powder is characterized by performing following measurements of: (1) a production process for producing two or more complexes having different surface sharing rates by using a compatibilized material acquired by compatibilizing the powder with a binder resin or a dispersoid acquired by dispersing the power in the resin, (2) a measuring process for measuring each contact angle of the two or more complexes respectively, (3) a plotting process for plotting each contact angle acquired in the measuring process relative to the complexes having different surface sharing rates, and (4) a process for determining a linear regression line in the plotting process and determining the contact angle of the powder based on the determined regression line.;COPYRIGHT: (C)2006,JPO&NCIPI
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