| 摘要 |
PURPOSE:To produce a microcapsule not generating formaldehyde and excellent in solvent resistance, heat resistance and pressure resistance. CONSTITUTION:In producing a microcapsule by emulsifying a hydrophobic liquid having a polyvalent isocyanate dissolved therein with an aq. soln. containing an emulsifier and subsequently forming a film on the interface between the hydrophobic liquid and water, a multi-copolymer of acrylic acid, methacrylic acid, (meth)acrylonitrile, hydroxyethyl (meth)acrylate and (meth) acrylamide is used as the main component of the emulsifier. |
