chemistry on surface & colloid

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Chapter 11. Chemistry on Surface & Colloid. 第 11 章. 表面与胶体化学. 本章教学要求. (1) 了解表面现象及表面活性剂的概念。. (2) 了解胶体的组成、结构和特性。. (3) 了解涂料的组成及应用。. 11.1 表面能与表面现象 11.2 表面活性剂 11.3 胶体 11.4 涂料及其应用. 本 章 内 容. 表面自由能 (Surface Free Energy). 11.1 表面能与表面现象. - PowerPoint PPT Presentation

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  • 11

  • (3) (1) (2)

  • 11.1 11.2 11.3 11.4

  • (Surface Free Energy) , 11.1 G=-W=A TPnJm-2

  • (Surface Tension)

  • m-1 Nm-1

  • LB1805 T . Young 1806 P.S. Laplase 1878 Gibbs 1916 Langmuir

  • 11.2

  • 1. ()()()

  • 2. ArCH2N(CH3)3Br R-O-(CH2 -CH2-O-)n H

  • 3. 17 ()

  • O/WO/WaO/W

  • W/OW/ObW/O

  • 10% O/W, ()O/W

  • ()()

  • (C5~C8)

  • 11.3

  • 1 10-9m 10-9m~ 10-7m 10-7m AgI

  • 2 AgNO3 + KI() KNO3 + AgI KI (AgI)m(AgI)m [(AgI)mnI (n-x) K+]x- [(AgI)mnI (n-x) K+]x-xK+ ()

  • AgNO3 + KIKNO3 + AgI AgNO3

  • 3. IK+I

  • 4 mmoldm-3

  • 11.4

  • 50%70%80% 200)

  • 10-910-7m

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