Wholly aromatic polyesters and preparation thereof

C - Chemistry – Metallurgy – 08 – G

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C08G 63/60 (2006.01) C09K 19/38 (2006.01)

Patent

CA 1268589

- 11 - O.Z. 0050/38133 Abstract of the Disclosure: Wholly aromatic polyesters which form a liquid-crystalline fiber-forming melt below 300°C and are composed of a) from 10 to 25 mol % of repeat units of the for- mula I Image I b) from 5 to 15 mol % of repeat units of the formula II Image II c) from 5 to 15 mol % of repeat units of the formula III Image III d) not less than 10 mol % of repeat units of the for- mula IV Image IV and e) a molar amount corresponding to the total amount of a), b) and c) of repeat units of the formula V Image V the molar proportions of components a, b, c, d and e add- ing up to 100 mol% in each case, the preparation thereof and fibers, films, moldings and surface coatings prepared therefrom.

524447

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