| 摘要 |
<p>Process for making a slabstock, visco-elastic, flexible, polyurethane foam which process comprises reacting a polyisocyanate and a polyol at an index of 60 -95 and using a blowing agent, wherein 5-50 and preferably 10-40 % by weight of the polyol used is castor oil. The foams and a polyol composition are claimed as well.</p> |
