| abstract |
PURPOSE: To provide the subject composition containing a specific urethane acrylate monomer, a volatile solvent and a polymerization initiator and suitable as a surface-luster imparting agent for artificial tooth, a mending material for broken enamel and discolored part of tooth, a beauty coating material for tooth, etc. n CONSTITUTION: The objective composition contains (A) a urethane acrylate monomer of formula (R 1 and R 3 are H or CH 3 ; R 2 is alkylene; l and m are 1-15), (B) a volatile solvent for the component A [preferably methyl (meth) acrylate or ethyl (meth)acrylate] and (C) a polymerization initiator (preferably camphorquinone, fluorenone and dibenzyl). n COPYRIGHT: (C)1992,JPO&Japio |