| 摘要 |
<p>1,247,765. Treating textiles. AMERICAN CYANAMID CO. 11 Nov., 1969 [16 Dec., 1968], No. 55215/69. Heading D1P. [Also in Division C2] Compounds of the general formula: in which R 1 is the residue of a 3-[(mono- or dihydroxyalkyl)-amino] propionamide in which the 3-amino nitrogen is attached to the triazine nucleus, R 2 is a C 1 -C 4 alkoxy group, an arylamino group or the residue of a 3[(mono- or di-hydroxyalkyl)-amino] propionamide in which the 3-amino nitrogen is attached to the triazine nucleus and M is hydrogen, sodium, potassium, lithium, ammonium or substituted ammonium, are used as optical brightening agents for cellulosic materials. Examples are given of their use for brightening cotton and paper pulp, and unsized paper.</p> |
