| 摘要 |
<p>Solns. esp. for continuous dyeing of paper, contain in 100 parts water, 22-55 parts of 100% dyestuff of formula:- wherein PC is copper phthalocyanine residue either free from sulphonic acid groups or containing up to 0.5 mol. of sulphonic acid ester groups per mol. and n is an average 2 to 3.</p> |
