Polyurethane compound is cured in a short time at about room temperature by contacting a polyurethane compound having 1-oxa-3,5-diazine-24,6-trione ring but no isocyanate group with an amine present in gaseous phase in the presence or absence of such a compound having active hydrogen as polyester polyol. A one-package type urethane resin composition curable at low temperature is made available.
将具有 1-氧杂-3,5-二嗪-24,6-三酮环但不含
异氰酸酯基团的聚
氨酯化合物与气相中的胺接触,在有或没有聚酯多元醇这种具有活泼氢的化合物的情况下,可在室温左右的短时间内固化聚
氨酯化合物。可提供一种可在低温下固化的单组分型聚
氨酯
树脂组合物。