Cross-Linking and Physical Characteristics of a Water-Based Nonstick Hydrophobic Coating
- Jun Lin
- ,
- Jiayi Zhu
- ,
- Douglas R. Swanson
- , and
- Larry Milco
Abstract
This study is directed at determining the influence of cross-linking on the physical properties of a water-based nonstick hydrophobic coating. The extent of cross-linking was determined using FT-IR spectroscopy and correlated with important surface properties of the coatings: surface hydrophobicity (contact angle hysteresis of water), friction, and hardness. It was found that the contact angle hysteresis of water decreases with increasing cross-linking, achieving a constant value of 20−25° at 40−50% of cross-linking. Although the coefficient of friction is independent of the extent of cross-linking, the scratch hardness of the coating increases with the extent of cross-linking.
*
In papers with more than one author, the asterisk indicates the name of the author to whom inquiries about the paper should be addressed.
†
Current address: DuPont Automotive, 945 Stephenson Hwy, Troy, MI 48007.
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Abstract published in Advance ACS Abstracts, December 1, 1996.
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