D - Textiles – Paper – 06 – P
Patent
D - Textiles, Paper
06
P
D06P 1/54 (2006.01) C08G 18/08 (2006.01) C08G 18/28 (2006.01) C08G 18/80 (2006.01) D06P 1/52 (2006.01)
Patent
CA 2158413
The present invention relates to a method for textile printing with aqueous dispersions in which an organic fixing agent is crosslinked with a blocked poly-isocyanate having (i) an average molecular weight of about 800 to about 25,000, (ii) a content of blocked isocyanate groups, calculated as free NCO and based onnon-blocked polyisocyanate, corresponding to an NCO content of about 5 to about 20% by weight, (iii) an ionic group content of about 1 to about 75 milliequivalents per 100 g of blocked polyisocyanate, and (iv) a content of polyalkylene oxide units of about 1 to about 20% by weight, based on blocked polyisocyanate, said blocked polyisocyanate being obtained by the reaction of (a) organic polyisocyanates, (b) isocyanate-reactive compounds containing (potential) ionic groups, (c) polyalkylene ether alcohols, (d) NCO blocking agents, and (e) optionally, isocyanate-reactive compounds that are different from components (b), (c), and (d).
Gehling Matthias
Passon Karl-Heinz
Reiff Helmut
Wigger Herbert
Aktiengesellschaft Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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