| 摘要 |
<p>Liquid crystalline polyesters made from hydroquinone, terephthalic acid, 2,6-naphthalene dicarboxylic acid and 4-hydroxybenzoic acid, and having a selected composition range, have melting points of about 350 °C or less, good physical properties, and are readily manufactured. The polymers are useful as molding resins.</p> |
