| 摘要 |
<p>Copolymer thickener for textile printing paste Applying anionic water-sol. dyes and/or insol. or metal complex disperse dyes to cut/uncut pile fabric without the need for an after-wash which compsn. contains an aqs. copolymer thickener, the latter having the formula (wherein R1 is H or CH3; R2 is C2H5; R3 is C2H5, C3H7-, C4H9 or CH3-CH(C2H5)-CH2-CH2-CH2-CH2-; X is a cation of a basic N cpd. and the amt. of the gp. -C(R1)(CO2-)CH2- in the copolymer gives it an acid no. of 120-550). Cross-linking of the free carboxyl gps. of the copolymer may be carried out in known manner e.g. with aminoplast pre-condensates.</p> |
