Examples of the solvent include ketones such as acetone and methyl ethyl ketone, esters such as dipropylene glycol monomethyl ether acetate, dipropyleneglycol monomethyl ether, diethyl ether monomethyl ether acetate and diethyl ether monomethyl ether, and aromatic hydrocarbons such as solvent naphtha, toluene, xylene and ethylbenzene.