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公开(公告)号：DE2336717A1
公开(公告)日：1975-02-06
申请号：DE2336717
申请日：1973-07-19
Applicant: BASF AG
Abstract: Newcolour-stable beta-modification (I) of the dispersion dye of formula has an x-ray diffraction diagram with lines of the following intensities at a diffraction angle of 2 H: strong at 20.2, 22.4, 22.8 and 23.8 degrees; medium at 8.3, 11.2, 25.3, 26.2, 27.5 and 33.5 degrees; weak at 9.1, 13.2, 14.7, 15.4, 16.7, 17.1, 19.3, 20.7, 26.7, 29.0, 29.9, 30.8 and 32.6 degrees. (I) is used for dyeing textiles of synthetic linear polyesters, in loose or wound form. (I) is dispersion stable and, unlike the alpha-modification (Disperse Orange 61), does not tend to flocculate when kept in aq. medium at high termp. for long periods. Depson. of the dye on the fibre does not occur in any phase in the dyeing of wound matl., e.g. spools.
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