公开(公告)号：DE2319236A1

公开(公告)日：1974-10-31

申请号：DE2319236

申请日：1973-04-16

Applicant: BASF AG

Inventor： HENSEL KURT ,  LANGENFELDER HANS ,  PREUGSCHAS HELMUT DIPL CHEM DR ,  DAUBACH EWALD DIPL CHEM DR ,  KLINGSHIRN WERNER DIPL CHEM DR ,  HERMANN MANFRED DIPL CHEM DR

IPC: C09B67/46 ,  C09B67/00

Abstract: The dispersions contain (A) 40-60 wt.% dispersion or vat dye, and (B) a dispersing agent obtd. by further condensing (I) a condnsn. prod. of phenol sulphonic acids, free of condensed ring systems, with urea and HCHO in molar ratio 1:1-1.5:1.7-2.2, with (II) a condnsn. product of phenol and formaldehyde made in strongly alkaline medium and then reacted for 1-2 hr. at pH 2-4. Ratio of (A) to (B) is 3-25:1 by wt. (I) and (II) are condensed together in a strongly acid medium. The dispersions are made by milling the dye in aq. suspension in presence of (B) at 20-90 degrees C and have a high dye concn. but are readily pumped and poured and can be easily dispersed in water by stirring. The small amt. of (B) used results in light and brilliant shades without yellowing of the fibres.

公开(公告)号：DE2327579A1

公开(公告)日：1975-01-02

申请号：DE2327579

申请日：1973-05-30

Applicant: BASF AG

Inventor： DAUBACH EWALD DIPL CHEM DR ,  KLINGSHIRN WERNER DIPL CHEM DR ,  BELDE HORST

IPC: C08G14/08

Abstract: Light-fast condensates are prepd. by (i) condensing 0.5-1.5 mol. pts. of >=1 phenolsulphonic acid, free from uncondensed rings, with 0.8-2 mol. pts. urea and 1-3 mol. pts. HCHO or HCHO-yielding cpds., (ii) neutralising reaction mixt. with a base, (iii) after condensation with 0.3-1.5 mol. pts. of at least one mono- to deca-hydric (2-10)C alcohol and 0.5-1.5 mol. pts. HCHO or HCHO-yielding cpd. and (iv) neutralising. Condensates are used as dispersants pref. for pigments/dyes, partic. those sensitive to reduction, e.g. dispersion dyes for dyeing polyester fabrics; also in leather and textile industry.

公开(公告)号：DE2313063A1

公开(公告)日：1974-09-19

申请号：DE2313063

申请日：1973-03-16

Applicant: BASF AG

Inventor： KLINGSHIRN WERNER DIPL CHEM DR ,  ZISSEL ALFRED DIPL CHEM DR ,  HERTEL OTTO DIPL CHEM DR

IPC: C14C3/18

Abstract: Title prod. obtd. by mixing (a) at least one methylol deriv. of a mononuclear, monohydric phenol of a binuclear phenol (free from condensed rings and contg. one phenolic group on each nucleus), the phenols being free from anionic gps., (b) at least one densation prod. of a naphthalene sulphonic acid with an aldehyde or aldehyde-yielding cpd. and (c) at least one condensation prod. of a phenol-sulphonic acid with urea and formaldehyde (which, if desired, is further condensed with formaldehyde and phenol), in wt. ratio a:b:c = (3-7):(2-6):(0.3-2), dissolving the mixt. in water, subjecting the resulting soln. in mechanical motion for >1 hr. above 30 degrees C and finally removing the water by evaporation.