| 摘要 |
<p>Disclosed is a polyurethane binding material composition, which is improved in productivity, while maintaining formability. Specifically disclosed is a polyurethane binding material composition using a curing agent which contains, as a polyol component, a castor oil fatty acid (b1) and castor oil and/or a castor oil-modified polyol (b2), while using, as an isocyanate component, a base material composed of diphenylmethane diisocyanate and/or a modified carbodiimide-containing diphenylmethane diisocyanate.</p> |
