Abstract
A general technique for the production of stable surface coatings with particular polar properties was developed. The process for the production of these surfaces consists of three steps: (1) preparation of a hydrophobic multilayer of diacetylenic fatty acid (this smooths the surface roughness of the underlying solid support); (2) transfer of a monolayer of surface-active diacetylenic molecules containing the requisite polar group onto the multilayer; (3) stabilization of the surface and multilayer by UV light polymerization. The last step may be accomplished with the coatings under water. Alternatively, an additional coating can be added consisting of a monolayer of stearic acid. Polymerization can then be accomplished in air. The latter technique enables the polar surface to be protected when exposed to air. The required polar surface can be later revealed by a simple wash in dilute NaOH.
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