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Vapor-Deposited Reactive Coating with Chemically and Topographically Erasable Properties.


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.

SUBMITTER: Chiang YC 

PROVIDER: S-EPMC6835693 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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Vapor-Deposited Reactive Coating with Chemically and Topographically Erasable Properties.

Chiang Yu-Chih YC   Ho Cuei-Ping CP   Wang Yin-Lin YL   Chen Po-Chun PC   Wang Peng-Yuan PY   Chen Hsien-Yeh HY  

Polymers 20190929 10


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-<i>p</i>-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. Mechanic  ...[more]

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