| 摘要 |
<p>Polyurethane/urea elastomers having an isocyanate equivalent index below 100, preferably from 15 to 80; containing an effective amount of polyisocyanate component, and an effective amount of an isocyanate reactive component comprising at least one polyamine and at least one polyol, wherein said elastomer contains from 1 to 60 equivalent percent amine per isocyanate equivalent.</p> |
