| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of producing an urethane resin composition, achieving excellent work efficiency by suppressing an increase in curing rate of the urethane resin composition.SOLUTION: A method of producing an urethane resin composition containing: an urethane resin obtained by reacting an active hydrogen component (A) and an organic isocyanate component (B); and an organic fine particle (C) is provided that includes a step of mixing a dispersion phase composed of a mixture (X1) containing the active hydrogen component (A) and the inorganic fine particle (C) and a continuous phase (F) containing carbon dioxide in a liquid state, subcritical state or supercritical state. A method of producing an urethane resin composition containing: an urethane resin obtained by reacting the active hydrogen component (A) and the organic isocyanate component (B); and the inorganic fine particle (C) is provided that includes a step of mixing a dispersion phase composed of a mixture (X2) containing the organic isocyanate component (B) and the inorganic fine particle (C) and the continuous phase (F) containing carbon dioxide in a liquid state, a subcritical state or a supercritical state.SELECTED DRAWING: Figure 1 |
