| 摘要 |
<p>Disclosed is a catalyst for the production of a polyurethane resin, which is capable of maintaining good fillability into a mold or good applicability to a base by maintaining sufficiently long working life (pot life) of a resin, while enabling rapid curing of the resin after a certain period of time. Specifically disclosed is a catalyst for the production of a polyurethane resin, which is characterized by being a salt (E) that uses a cycloamidine (C) represented by general formula (1) in combination with one or more acids selected from the group consisting of acids (A1) having pKa1 of 8-11 and one or more acids selected from the group consisting of acids (A2) having pKa1 of 4-6. The catalyst for the production of a polyurethane resin is also characterized in that the content of the acids (A1) is 0.2-0.8 mole per 1 mole of the cycloamidine (C), the content of the acids (A2) is 0.2-0.8 mole per 1 mole of the cycloamidine (C), and the content of acids (A1 + A2) is 0.8-1.2 moles per 1 mole of the cycloamidine (C). (In general formula (1), m represents an integer of 2-6, and a hydrogen atom in the methylene group may be substituted by an organic group.)</p> |
