Surface Energy Data for PDMS: Polydimethylsiloxane, CAS ...

1 Surface Energy Data for PDMS: polydimethylsiloxane , CAS #9016-00-6 Source(a)Mst. Type(b)Data(c)Comments(d)Fox, 1947(44)Critical ST c = mJ/m2; 20oCTest liquids not known; dimethylsiloxane , 1947(44)Critical ST c = mJ/m2; 20oCTest liquids not known; dimethylsiloxane , 1947(44)Critical ST c = mJ/m2; 20oCTest liquids not known; dimethylsiloxane , 1947(44)Critical ST c = mJ/m2; 20oCTest liquids not known; dimethylsiloxane , 1969(111)Critical ST c = 24 mJ/m2; no temp citedTest liquids not , 1972(206)Critical ST c = 20-23 mJ/m2; 20oCTest liquids not known; silica filled PDMS , 1975(297)Critical ST c = 24 mJ/m2; 20oCTest liquids not , 1972(48)Contact angle WY = ; 20oCWesterdahl, 1974(63)Contact angle WY = 117o.

2 No temp citedTezuka, 1986(190)Contact angle WY = 107o; 25oCSessile drop , 1988(187)Contact angle WA = 95o - 107o (XBar = ; n = 5);Data from five separate silicone formulations. WR = 48o - 70o (XBar = 59o; n = 2);d W = 25o - 59o (XBar = 42o; n = 2); 20oCMorra, 1990(119)Contact angle WA = 114o, WR = 81o, d W = 33o;Measured from sessile drops; contact time temp citedMorra, 1990(119)Contact angle WA = 110o, WR = 74o, d W = 36o;Measured from sessile drops; contact time temp citedMorra, 1990(119)Contact angle WA = 110o, WR = 71o, d W = 39o;Measured from sessile drops; contact time temp citedMorra, 1990(119)Contact angle WA = 108o, WR = 68o, d W = 40o;Measured from sessile drops; contact time temp citedMorra, 1990(119)Contact angle WA = 108o, WR = 67o, d W = 41o;Measured from sessile drops.

3 Contact time temp citedMorra, 1990(119)Contact angle WA = 108o, WR = 64o, d W = 44o;Measured from sessile drops; contact time temp citedOwen, 1996(136)Contact angle WA = 101o; no temp citedOwen, 2003(271)Contact angle WA = 102o; no temp citedFreshly cleaved surfaces from high molecular weight , 1972(48)Contact angle s = mJ/m2; 20oCTest liquids: water, glycerol, formamide, tricresyl phosphate,and n-hexadecane, by harmonic mean , 1996(136)Contact angle s = mJ/m2 ( sd = ; sp = );Test liquids: water and diiodomethane, by geometric meanno temp , 1998(152)Contact angle s = mJ/m2 ( sd = ; sp = ); 23oCTest liquids not specified, by geometric mean equation fromadvancing contact angle on Dow Corning 280A pressure-sensitive , 1958(195)From polymer melt s = mJ/m2; 20oCDirect measurement of polymer melt extrapolated to , 1965(196)From polymer melt s = mJ/m2; 20oCDirect measurement of polymer melt extrapolated to , 1969(36)From polymer melt s = mJ/m2; 20oCDirect measurement of polymer melt extrapolated to = 75, , 1969(36)From polymer melt s = mJ/m2; 20oCDirect measurement of polymer melt extrapolated to = 3, , 1971(29)From polymer melt s = mJ/m2 ( sd = , sp = ); 20oCMeasurement by pendant drop of polymer melt extrapolatedto 20oC.

4 Polarity calculated from interfacial tension with PE bygeometric mean , 1971(29)From polymer melt s = mJ/m2 ( sd = , sp = ); 20oCMeasurement by pendant drop of polymer melt extrapolatedto 20oC; polarity calculated from interfacial tension with PE byharmonic , 1971(43)From polymer melt s = mJ/m2; 20oCDirect measurement of polymer melt extrapolated to = , 1985(275)From polymer melt s = mJ/m2; 20oCDirect measurement of polymer melt extrapolated to = 75, , 1985(275)From polymer melt s = mJ/m2; 20oCDirect measurement of polymer melt extrapolated to = 3, , 1989(273)From polymer melt s = mJ/m2 ( sd = ; sp = ); 20oCDirect measurement of polymer melt extrapolated to = 75, , 1989(273)From polymer melt s = mJ/m2 ( sd = ; sp = ); 20oCDirect measurement of polymer melt extrapolated to = 3, , 1989(273)From polymer melt s = mJ/m2; 20oCDirect measurement of polymer melt extrapolated to = 1, , 1989(273)From polymer melt s = mJ/m2; 20oCDirect measurement of polymer melt extrapolated to = , 1989(273)From polymer melt s = mJ/m2; 20oCDirect measurement of polymer melt extrapolated to = , 1989(273)From polymer melt s = mJ/m2; 20oCDirect measurement of polymer melt extrapolated to = , 1968(182)Calculated s = 23 mJ/m2.

5 20oCCalculated from molecular , 1974(47)Calculated s = mJ/m2; 20oCCalculated from free volume theory and molecular , 1974(47)Calculated s = mJ/m2; 20oCCalculated from free volume theory and molecular , 1982(18)Calculated s = mJ/m2; 20oCCalculated from cohesive Energy density and Ness, 1992(186)Calculated s = mJ/m2; 20oCCalculated molten Surface tension value, extrapolated to , 1996(272)Calculated s = mJ/m2; 20oCCalculated from parachor , 1992(267)Other s = 23 mJ/m2; no temp citedMeasured by contact deformation per , 1996(136)Other s = mJ/m2; no temp citedDirect measurement of liquid Surface tension extrapolated toinfinite molecular weight. 2009 Diversified Enterprises