| 摘要 |
<p>The subject invention provides a urethane foam which does not require chlorofluorocarbons to manufacture and which conforms to the Montreal Protocol. The compositions of the subject invention are usable in a spray and a pourable form, and may be used in a variety of applications such as in the production of siding, shingles, building panels, marine floatation, and roofing materials.</p> |
