32.
    发明专利
    未知

    公开(公告)号:DE3542815A1

    公开(公告)日:1987-06-11

    申请号:DE3542815

    申请日:1985-12-04

    Applicant: BASF AG

    Abstract: Wholly aromatic polyesters which form a liquid-crystalline fiber-forming melt below 300 DEG C. and are composed of (a) from 10 to 25 mol % of repeat units of the formula I I (b) from 5 to 15 mol % of repeat units of the formula II II (c) from 5 to 15 mol % of repeat units of the formula III III (d) not less than 10 mol % of repeat units of the formula IV IV and (e) a molar amount corresponding to the total amount of (a), (b) and (c) of repeat units of the formula V 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 surface coatings prepared therefrom.

    34.
    发明专利
    未知

    公开(公告)号:DE3542796A1

    公开(公告)日:1987-06-11

    申请号:DE3542796

    申请日:1985-12-04

    Applicant: BASF AG

    Abstract: Wholly aromatic mesomorphic polyester amide imides which form a liquid-crystalline fiber-forming melt below 320 DEG 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 (d) 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) repeat 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, the preparation thereof and fibers, films and moldings prepared therefrom.

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