D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 17/57 (2006.01) C08G 18/30 (2006.01)
Patent
CA 2184324
The present invention is directed to a process for the production of a modified cellulosic product by: 1 ) coating or impregnating a composition of: a) a polymethylene poly(phenyl isocyanate), b) water, and c) an organic compound having an hydroxy functionality of from 2 to 8, and having a molecular weight of from about 60 to about 8000, and being selected from the group consisting of i) ester group-free polyhydric alcohols, ii) polyether polyols and iii) mixtures thereof, and 2) allowing the impregnated cellulosic material to cure at room temperature and without application of pressure.
Duff Howard S.
Frink John W.
Haider Karl W.
Layton Heber D.
Corporation Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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