The present invention provides for an emulsion comprising solid particles of a single composition, or a mixture thereof, comprising a polymer comprising one monomer of an aryl methacrylate, or a mixture thereof, co-polymerized with a monomer of an alkyl methacrylate, or a mixture thereof; wherein Ar is an aryl group and R is an alkyl group, and n:m has a ratio of from about 0:100 to about 100:0.