Measurements of contact angle for water, glycerol, formamide, diiodomethane, and bromoform on cassiterite surface with different initial treatments were conducted. Using the values of contact angle, the total surface free energy of cassiterite, and its components resulting from different kinds of in
Determination of surface free energy components of polymers from contact angle data using nonlinear programming methods
✍ Scribed by H.Yildirim Erbil; R.Alsan Meriç
- Publisher
- Elsevier Science
- Year
- 1988
- Weight
- 567 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0166-6622
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## Abstract Contact angle of water and formamide droplets on natural quartz crystals were observed. The specific surface free energy (SSFE) of m, r, and z faces, calculated using the Fowkes approximation, were approximately 54‐69 mN/m. The length of the normal line from the center of the crystal to
Contact angles of diiodomethane, bromoform, water, formamide, and glycerol were measured on cholesterol surfaces both bare and precontacted with bile salts (sodium cholate, sodium deoxycholate, and sodium chenodeoxycholate). Ten different sets of the measured contact angles were used for the calcula