A catalyst for producing a polyurethane, comprising a dialkylaminoalkyl alcohol represented by the formula (I):
R
1
R
2
N—X—OH (I)
wherein each of R
1
and R
2
is independently an alkyl group having 1 to 4 carbon atoms; and X is a branched alkylene group having 4 to 8 carbon atoms; a process for producing a polyurethane, comprising reacting a polyol component with an isocyanate component in the presence of the above-mentioned catalyst for producing a polyurethane; and a process for producing a polyurethane foam, comprising reacting a polyol component with an isocyanate component in the presence of the above-mentioned catalyst for producing a polyurethane, and a compound having a primary amino group and a tertiary amino group in its molecule, and a blowing agent. The polyurethane can be used as heat insulating materials for construction materials, electric refrigerators, refrigerated warehouses, baths and the like, interior materials for automobiles, furnishings, cushioning materials for beddings, various sealing materials and the like.
一种生产聚
氨酯的催化剂,由式(I)代表的二烷基
氨基烷基醇组成:
R
1
R
2
N-X-OH (I)
其中每个 R
1
和 R
2
独立地为具有 1 至 4 个碳原子的烷基;以及 X 为具有 4 至 8 个碳原子的支链亚 烷基; 生产聚
氨酯的工艺,包括在上述催化剂存在下,使多元醇组分与
异氰酸酯组分 反应,以生产聚
氨酯;以及一种生产聚
氨酯泡沫塑料的工艺,包括在上述催化剂存在下,使多元醇组分与
异氰酸酯组分反应,以生产聚
氨酯,以及在其分子中具有伯
氨基和叔
氨基的化合物和发泡剂。这种聚
氨酯可用作建筑材料、电冰箱、冷藏库、浴缸等的隔热材料、汽车内饰材料、家具、床上用品的缓冲材料、各种密封材料等。