| 摘要 |
<p>A body putty resin composition of the present invention comprises 20 to 50 weight percent of a reactive component which becomes an integral part of the composition on curing, and 50 to 80 weight percent of a polyester formed from an α,β-unsaturated dibasic acid and/or anhydride, one or more of a polyhydric alcohol, a combination of a polyhydric alcohol and dicyclopentadiene, or dicyclopentadienyl alcohol, and optionally a saturated dibasic acid and/or anhydride, wherein the ratio of total number of equivalents of hydroxy to total number of equivalents of acid is about 0.5 to 1.2 and wherein from about 15 to 60 percent of the α,β-unsaturated dibasic acid and/or anhydride is available to react with the reactive component.</p> |
