| 摘要 |
<p>The present invention provides a polyester polyurethane foam with low fogging characteristics comprising the product of reaction of a polyester polyol and a diisocyanate wherein said polyester polyol comprises as repeating units residues of the following reactants: (i) (a) at least one hydroxy acid; or (ii) (b) at least one diacid; and (c) at least one diol or polyol; or (iii) (a) at least one hydroxy acid; (b) at least one diacid; and (c) at least one diol or polyol wherein said reactants cannot combine to provide a cyclic ester comprising a 12 to 14 member ring.</p> |
