Process for treating and sizing paper substrates

Details Process for treating and sizing paper substrates Process for treating and sizing paper substrates

D - Textiles, Paper

21

H

D21H 23/50 (2006.01) D21H 19/16 (2006.01) D21H 19/24 (2006.01)

Patent

CA 2130922

2130922 9318228 PCTABS00025 Process for strengthening and sizing paper with isocyanate characterized in that the isocyanate does not contain water and the isocyanate is applied to the paper by means of a linear electrostatic spraying device. The process is an efficient way to apply water-free isocyanate to paper at low percentage levels in an environmentally safe manner.

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