WHOLLY AROMATIC POLYETHER ESTERS AND THE PREPARATION THEREOF

    公开(公告)号:CA1268892A

    公开(公告)日:1990-05-08

    申请号:CA524449

    申请日:1986-12-03

    Applicant: BASF AG

    Abstract: - 11 - O.Z. 0050/38135 Wholly aromatic polyether esters which form a liquid-crystalline fiber-forming melt at below 300.degree.C are composed of a) not less than 10 mol % of repeat units of the formula I I b) a molar amount equivalent to the total amount of components c) and d) of repeat units of the formula II II c) from 5 to 20 mol % of repeat units of the formula III III and d) from 10 to 30 mol % of repeat units of the formula IV IV the molar proportions of components a, b, c and d adding up to 100 mol % in each case, the preparation thereof, andfibers, films, moldings and surface coating materials prepared therefrom.

    WHOLLY AROMATIC MESOMORPHIC POLYESTER AMIDE IMIDES AND THE PREPARATION THEREOF

    公开(公告)号:CA1268587A

    公开(公告)日:1990-05-01

    申请号:CA524454

    申请日:1986-12-03

    Applicant: BASF AG

    Abstract: Disclosed are wholly aromatic mesomorphic polyester amide imides which form a liquid-crystalline fiberforming melt below 320.degree.C and are composed of: a) from 5 to 35 mole % of repeat units of the formula (I) and/or (II): (I) (II) where the Xs in the formulae (I) and (II) can be identical or different and each is -O-, -S-, -SO2-, -CO-, CH2- or = C(CH3)2 and n is 0 or 1, b) from 0 to 30 mole % of repeat units of the formulae (III) and/or (IV): (III) (IV) c) a molar amount corresponding to the total amount of components a and b, of one or more of the repeat units of the formulae (V), (VI), (VII), (VIII) and (IX): (V) (VI) (VII) (VIII) (IX) with the proviso that at least one of the repeat units of formulae (V) and (VI) is allways present in the composition of component c) if desired from 5 to 25 mole % of one or more of the repeat units of the formulae (X), (XI) and (XII): (X) (XI) (XII) e) repreat units of the formula (XIII): (XIII) the mole percentages of components a), b), c), d) and e) adding up to 100 mole% in each case. Also disclosed are the preparation thereof and fibers, films and moldings prepared therefrom.

    WHOLLY AROMATIC MESOMORPHIC POLYESTER IMIDES AND THE PREPARATION THEREOF

    公开(公告)号:CA1268586A

    公开(公告)日:1990-05-01

    申请号:CA524453

    申请日:1986-12-03

    Applicant: BASF AG

    Abstract: - 16 - O.Z. 0050/38141 Wholly aromatic mesomorphic polyester imides which form a liquid-crytalline fiberforming melt below 320.degree.C and are composed of a) from 5 to 35 mole % of repeat units of the formulae I and/or II I II where the Xs and n's can be identical or different, each X being -O-, -S-, -SO2-, -CO-, -CH2- or =C(CH3)2 and n being 0 or 1, b) from n to 30 mole % of repeat units of the formulae III and/or IV III IV c) a molar amount corresponding to the total amount of components a and b of one or more of the repeat units of the formulae V, VI, VII or VIII V VI - 17 - O.Z. 0050/38141 VII VIII d) not less than 10 mole % of repeat units of the formula IX IX e) if desired from 5 to 25 mole X of repeat units of the formula X X the molar proportions of components a, b, c, d, and e adding up to 100 mole % in each case, and the preparation thereof.

Patent Agency Ranking