Wholly aromatic mesomorphic polyester amides and preparation thereof
Номер патента: CA1268584A
Опубликовано: 01-05-1990
Автор(ы): Bernd Hisgen, Hans-Jakob Kock
Принадлежит: BASF SE
Опубликовано: 01-05-1990
Автор(ы): Bernd Hisgen, Hans-Jakob Kock
Принадлежит: BASF SE
Реферат: - 15 - O.Z. 0050/38139 Abstract of the Disclosure: Wholly aromatic mesomorphic polyester amides which form a liquid-crystalline fiber-forming melt below 320°C, composed of a) from 3 to 30 mol % of repeat units of the formula I I b) from 3 to 30 mol % of repeat units of the formula II and/or III II III c) from 2 to 25 mol % of one or more of the repeat units of the formula IV, V or VI, IV V VI - 16 - O.Z. 0050/38139 d) a molar amount corresponding to the total amount of components a), b) and c) excluding the repeat unit of the formula III, of the repeat units of the formula VII VII which, if desired, can in part be replaced by repeat unit of the formula VIII VIII e) if desired from 5 to 25 mol % of repeat units of the formula IX IX f) repeat units of the formula X X the molar proportions of components a), b), c), d), e) and f) in each case adding up to 100 mol %, and prepa-ration thereof.
Wholly aromatic polyester carbamides and the preparation thereof
Номер патента: CA1268289A. Автор: Hans-Jakob Kock. Владелец: BASF SE. Дата публикации: 1990-04-24.