VERFAHREN ZUR HERSTELLUNG VON EINEM AROMATISCHEN POLYMER

PCT No. PCT/GB95/01109 Sec. 371 Date Nov. 12, 1996 Sec. 102(e) Date Nov. 12, 1996 PCT Filed May 17, 1995 PCT Pub. No. WO95/31502 PCT Pub. Date Nov. 23, 1995A process for making a crystallizable aromatic polymer comprises polycondensing difunctional monomers in the presence of a base and adding to th...

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Bibliographic Details
Main Authors STANILAND, ANTHONY, LIGGAT, JAMIESON, WILDE, JANE
Format Patent
LanguageGerman
Published 28.06.2001
Edition7
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:PCT No. PCT/GB95/01109 Sec. 371 Date Nov. 12, 1996 Sec. 102(e) Date Nov. 12, 1996 PCT Filed May 17, 1995 PCT Pub. No. WO95/31502 PCT Pub. Date Nov. 23, 1995A process for making a crystallizable aromatic polymer comprises polycondensing difunctional monomers in the presence of a base and adding to the reaction mixture a nucleating agent. The nucleating agent comprises a nucleophilic group and a group of formula -A-X, where X is a metal cation and A is an anion. It is selected to give an increase in the peak crystallization temperature of the nucleated polymer compared to the unnucleated polymer.
Bibliography:Application Number: DE19956019854T