Dispersion of post-curable coating compounds

Details Dispersion of post-curable coating compounds Dispersion of post-curable coating compounds

D - Textiles, Paper

06

M

D06M 23/00 (2006.01) C08G 18/08 (2006.01) C08G 18/12 (2006.01) C08G 18/28 (2006.01) C08G 18/44 (2006.01) C14C 11/00 (2006.01) D06M 13/332 (2006.01) D06M 15/568 (2006.01) D06N 3/14 (2006.01)

Patent

CA 2193031

The invention relates to a method for coating textiles and/or leather with an aqueous dispersion comprising (A) a mixture of (i) a urethane-containing blocked NCO prepolymer having a number average molecular weight of 2000 to 10,000, a content of blocked isocyanate groups (calculated as NCO) of 0.5 to 5 wt.%, an ethoxy group content of 2 to 50 wt.%, an ionic group content of 5 to 30 meq per 100g of the prepolymer, and (ii) a polyamine having (cyclo)aliphatically bonded primary and/or secondary amino groups, wherein the equivalent ratio of blocked NCO groups of component (i) to amino groups of component (ii) is 1:0.9 to 1:1.2, and (B) an aqueous phase.

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