| 摘要 |
A polyol having a substituent of formula (I)
attached via a carbon-carbon single bond to a saturated carbon atom in a fatty acid hydrocarbyl group; wherein R 1 and R 2 are esterified residues of aliphatic or cycloaliphatic diols; and from 0 to 15 wt % of esterified residues of at least one C 4 -C 12 anhydride, C 4 -C 12 diacid or C 4 -C 12 lactone, not including units of formula (I) attached to a fatty acid hydrocarbyl group. |
