manufacture and application of facilements dispersible dye preparations

摘要

1467746 Printing inks BAYER AG 9 Sept 1975 [10 Sept 1974] 37051/75 Heading D1B Printing inks for transfer printing comprise a printing ink binder solution and a dyestuff preparation which consists of one or more disperse dyes which sublime at 130-240‹C and 0.05-5% by weight, relative to the dye content, of a tenside, e.g. a nonionic or anionic tenside. They are prepared by working into the binder solution the dyestuff preparation which may be prepared by adding sufficient tenside during the shaping [i.e. during coupling or reprecipitation of the dyestuff] of the dyestuff prior to isolation in a pulverulent or granular form. The inks are used to transfer print polyester. triacetate, polyamides and polyacrylonitrile.