The liquid, polymer-containing coating materials of this invention comprise a polymer of a polymerizable, nitrogen-containing, hydrophilic monomer, which may give thermoresponsive properties, and which is copolymerized with a hydrophobic, polymerizable siloxy-containing monomer, in a solvent system of a volatile hydrophobic (non-polar) liquid that is non-stinging to a user. The material forms a coating or bandage in the form of a film when applied to a surface or the skin of a user.