than 90 u00b0 c and water wherein the composition contains less than 10 of organic solvents and allowing the composition to dry until the polymer film has formed application_number US 36815806 A description the term u201c human nail u201d refers to a fingernail or toenail of a human being all percentages and ppm values are on the basis of total weight of the composition unless otherwise indicated the term u201c acrylic polymers u201d refers to polymers comprising at least 50 monomer units derived from among acrylic acid aa methacrylic acid maa and their esters esters of aa and maa include but are not limited to methyl methacrylate mma ethyl methacrylate ema butyl methacrylate bma hydroxyethyl methacrylate hema acetylacetoxyethyl methacrylate aaem methyl acrylate ma ethyl acrylate ea butyl acrylate ba and hydroxyethyl acrylate hea as well as other esters of aa or maa e g alkyl hydroxyalkyl and aminoalkyl esters acrylic polymers also may contain monomer units derived from other ethylenically unsaturated monomers e g styrene or substituted styrenes other u03b1 u03b2 unsaturated carboxylic acids esters and amides vinyl esters or halides etc preferably an acrylic polymer contains less than 30 of these other monomer units more preferably less than 10 and most preferably the acrylic polymers are substantially free of monomer units other than those of aa ma and their esters an u201c acrylic styrene copolymer u201d is a polymer at least 50 of whose monomer units are derived from among aa maa esters of aa and maa and styrene monomers styrene monomers include styrene sty and substituted styrenes e g u03b1 methylstyrene ams preferably acrylic styrene copolymers contain less than 20 of other monomer units more preferably less than 10 and most preferably less than 5 the term u201c inorganic.