Wholly aromatic polyester carbamides and the preparation...

Details Wholly aromatic polyester carbamides and the preparation... Wholly aromatic polyester carbamides and the preparation...

C - Chemistry, Metallurgy

08

G

402/183

C08G 69/44 (2006.01) C09K 19/38 (2006.01)

Patent

CA 1268289

- 12 - O.Z. 0050/38136 Abstract of the Disclosure: Wholly aromatic polyester carbamides which form a liquid-crystalline fiber-forming melt below 300°C and are composed of a) not less than 20 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 for- mula III Image III d) from 1 to 10 mol % of units of the formula IV Image IV e) a molar amount corresponding to the total amount of components b), c) and d) of repeat units of the formula V Image V the molar proportions of components a), b), c), d) and e) adding up to 100 mol % in each case, the preparation thereof and fibers, films, moldings and coatings prepared therefrom.

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