| 摘要 |
<p>A polyester produced by polycondensing a polycarboxylic acid component comprising an aromatic dicarboxylic acid as the main component with a polyhydric alcohol component comprising a hindered glycol as the main component, which has a hydroxyl number of 30 mgKOH/g and a weight-average molecular weight (Mw) of preferably 1,000 to 500,000. This polyester is suitable for the modification of resinous or rubbery polymers.</p> |
