Surface Energy
Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-6247-8_11439
n (1) The free energy of the surfaces at an interface that arises because of differences in the tendencies of each phase to attract its own molecules. (2) The work that would be required to increase the surface area of a liquid by one unit area (3) An alternate aspect of
Surface Tension. (4) Surface energy is work per area, and simply expressed as dyne/cm.
Solid surface energy data (SFE) for common polymers
Name |
CAS Ref.-No. |
Surface free energy (SFE) at 20°C in mN/m |
Temp.coefficient SFE in mN/(m K) |
Dispersive contrib. of SFE in mN/m |
Polar contrib. of SFE in mN/m |
|
|---|---|---|---|---|---|---|
Polyethylene-linear PE |
9002-88-4 |
35.7 |
−0.057 |
35.7 |
0 |
|
Polyethylene-branched PE |
9002-88-4 |
35.3 |
−0.067 |
35.3 |
0 |
|
Polypropylene-isotactic PP |
25085-53-4 |
30.1 |
−0.058 |
30.1 |
0 |
|
Polyisobutylene PIB |
9003-27-4 |
33.6 |
−0.064 |
33.6 |
0 |
|
Polystyrene PS |
9003-53-6 |
40.7 |
−0.072 |
(34.5) |
(6.1) |
|
Poly-α-methyl styrene PMS (Polyvinyltoluene PVT) |
9017-21-4 |
39.0 |
−0.058 |
(35) |
(4) |
|
Polyvinyl fluoride PVF |
24981-14-4 |
36.7 |
– |
(31.2) |
(5.5) |
|
Polyvinylidene... |
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© Springer Science+Business Media, LLC 2011