| 摘要 |
<p>LINEAR, THERMOPLASTIC POLYESTERS AND PROCESS FOR THEIR MANUFACTURE Linear, homo- and copolymers that contain as condensation components amidocarboxylic acid radicals, imidocarboxylic acid radicals or dicarboxylic acid radicals containing two carbocyclic rings with 4 to 6 members and diol radicals containing N,N-heterocyclic rings, and which can contain in addition terephthalic and/or isophthalic acid and/or other diols, are amorphous to faintly crystalline, have high glass transition temperatures while at the same time having low softening temperatures, and are suitable for the manufacture of mouldings of all kinds with good thermomechanical properties.</p> |
