Aromatic polyisocyanates blocked by pyrazole or pyrazole derivatives and the preparation and use thereof
申请人:——
公开号:US20020055602A1
公开(公告)日:2002-05-09
This invention relates to NCO-containing reaction products blocked at the NCO groups by 1-H-pyrazole or derivatives thereof, wherein the NCO-containing reaction products are reaction products of
(A) one or more aromatic polyisocyanates,
(B) one or more NCO-reactive compounds containing sulfonate and/or tert-amino groups, and
(C) optionally, one or more further NCO-reactive compounds other than compounds (B),
which are useful for treating substrates, especially textiles, paper, or leather.
本发明涉及在 NCO 基团处被 1-H-吡唑或其衍生物封端的含 NCO 反应产物,其中含 NCO 反应产物是以下物质的反应产物
(A) 一种或多种芳香族多异氰酸酯、
(B) 一种或多种含有磺酸基和/或叔胺基的 NCO 反应化合物,以及
(C) 除化合物 (B) 外,还可选择一种或多种 NCO 反应化合物、
这些化合物可用于处理基材,尤其是纺织品、纸张或皮革。