ESTIMATION OF THE POLAR SURFACE-TENSION PARAMETERS OF GLYCEROL AND FORMAMIDE, FOR USE IN CONTACT-ANGLE MEASUREMENTS ON POLAR SOLIDS

被引:213
作者
VANOSS, CJ
GOOD, RJ
BUSSCHER, HJ
机构
[1] SUNY BUFFALO, DEPT CHEM ENGN, BUFFALO, NY 14214 USA
[2] UNIV GRONINGEN, MAT TECH LAB, 9713 AV GRONINGEN, NETHERLANDS
关键词
D O I
10.1080/01932699008943237
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
By measuring contact angles with water, glycerol and formamide on a number of polar surfaces, an estimate could be made of the electron-acceptor (Y+) and the electron-donor (y“) parameters of glycerol (G) and formamide (F), relative to the parameters of. water (W), for which a reference value of Yw +“ Y+“ 25.5 yw ++ yw--= 25.5 mJ/m2 has been assumed. The values thus found are: YG +°’3.92 mJ/m2 (which yields yG -=57.4 mJ/m2) and YF A+≈2*2.28 mJ/m2(which yields YF --= 39.6 mJ/m2). © 1990, Taylor & Francis Group, LLC. All rights reserved.
引用
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页码:75 / 81
页数:7
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