| 摘要 |
<p>A sprayable polyisocyanurate composition, which composition is prepared by reacting equal parts of an A side mixture, containing a lowfunctionality methylene diisocyanate, with a B side mixture which comprises: a diol, a low-hydroxyl polyether triol, a trimerization catalyst and a heatactivated catalyst, to provide a cure time of less than about 30 seconds.</p> |
