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- Title
Vapor-Deposited Reactive Coating with Chemically and Topographically Erasable Properties.
- Authors
Chiang, Yu-Chih; Ho, Cuei-Ping; Wang, Yin-Lin; Chen, Po-Chun; Wang, Peng-Yuan; Chen, Hsien-Yeh
- Abstract
An erasable coating was prepared to modify material surfaces with accessibilities, including specific conjugation, elimination of the conjugated chemistry/function, and the reactivation of a second new chemistry/function. The coating was realized based on a vapor-deposited functional poly-p-xylylene coating composed of an integrated 3-((3-methylamido)-disulfanyl)propanoic acid functional group, resulting in not only chemical reactivity, but also a disulfide interchange mechanism. Mechanically, the coating was robust in terms of the thermal stability and adhesive property on a variety of substrate materials. Chemically, the anchoring site of carboxylic acid was accessible for specific conjugation, and a disulfide bridge moiety was used to disengage already installed functions/properties. In addition, the homogeneous nature of the vapor-phased coating technique is known for its morphology/thickness and distribution of the functional moiety, which allowed precision to address the installation or erasure of functions and properties. Characterization of the precisely confined hydrophilic/hydrophobic wetting property and the alternating reversibility of this wetting property on the same surface was achieved.
- Subjects
PROPIONIC acid; SURFACES (Technology); SURFACE coatings; FUNCTIONAL groups; CARBOXYLIC acids; THERMAL stability; WETTING
- Publication
Polymers (20734360), 2019, Vol 11, Issue 10, p1595
- ISSN
2073-4360
- Publication type
Article
- DOI
10.3390/polym11101595