表面与界面化学-第5章(1)

-5.1-()120−−−=∆−=gCGWγσ5.1-(adhesion)--(spreading)---5.1-(immersion)—--—γabab-5.1-5.1-5.1--WaWa=γa+γb-γabWa5.1-SbaS=γa-γb-γabS5.1-(1)b(2)“”“”a5.1-5.1-(3)SfSiW/G5.1-[]110412.0)0248.00068.0(0728.0−−⋅=⋅+−=mNmNSi[]110030.0)0247.00068.0(0285.0−−⋅−=⋅+−=mNmNSfSf0Sf0Sf05.1-Si/(N·m-1)0.0728(0.05240.0300)-0.00930.0728(0.05080.0218)+0.00020.0728(0.00850.0275)+0.03685.1-—12—5.2-ababγγγ=−5.2-1Antonoff1,.2abaabbab2Good—Girifalco1ab2WabWaaWbb2ababababaaaWWγγγγ==+−→=()()1/21/22abaabbabγγ==5.2-5.2-()()22121212bababaabbaabWγγγγγγγγγ−=−+=−+=()()212122baabbababaabγγγγγγγγγγ−+=ΦΦ−+=3FowkesGood—GirifalcoFowkesGood—Girifalco()1/21/21/22()22()DHMIDPDDPPababababDDabababπγγγγγγγγγγγγγγγγγγγγ=++++=+=+−−=+−5.2-5.2-=200mN.m-1,=21.8mN.m-1=484mN.m-1=72.8mN.m-1dHgγdOH2γOH2γHgγOHHg2•γ=72.8+484-2200*21.81/2=424.8mN.m-1OHHg2•γ4()221/21/2331.2.44233.22()aaaabbbbababaabbabbaabaabbabaabbababChChhCCCCCCCνανανναααανναανννν====++=+5.2-()1/211112ababaabbababaabbCCCCCCνναα==⋅==+44,,0ddppababababddppababddppabababγγγγγγγγγγγγγγγγ=+−−++===Wu—45.2-5.2-abγa=24.1γb=14.1=19.7=12.0mN.m-1Fowkesγab3.8mN.m-1daγdbγ5()01/dpABababaaaABaabABABγγγε=+−−−=×=×−∆5.2-150mN·m-1mN·m-1—25C8H17SO4Na-cmc=33mN·m-1—cmc=39mN·m-15.3—cmc=32mN·m-1—cmc=41mN·m-1—cmc=29mN·m-1cmccmcγ0γ0γ5.3cmc2a.cmccmccmcb.cmcicmc5.3iicmc2C7F15COONaC8H17N(CH3)3Br-13mN·m-114mN·m-10.4mN·m-1S5.3