Contact Angles on Swollen Polymers: The Surface Energy of Crosslinked Polystyrene
- 1 January 1979
- journal article
- research article
- Published by Taylor & Francis in The Journal of Adhesion
- Vol. 10 (1) , 17-24
- https://doi.org/10.1080/00218467908544608
Abstract
The contact angle of CH2I2, α-bromonaphthalene and aniline on crosslinked polystyrene has been measured. The polymer was swollen for as long as 60 days in the liquid whose contact angle was to be measured. The surface free energy, γs, of unswelled polystyrene was estimated from the contact angles and the swelling results, using an equation which had previously been proposed by Good. The value of γs is estimated to be 42±2 ergs/cm2.Keywords
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