Method of forming glass fiber dispersions with cationic...

Details Method of forming glass fiber dispersions with cationic... Method of forming glass fiber dispersions with cationic...

D - Textiles, Paper

21

H

9/62, 92/11.2, 1

D21H 13/40 (2006.01) C03C 25/24 (2006.01)

Patent

CA 1120348

ABSTRACT OF THE DISCLOSURE In accordance with the present invention, there is provided herein improved glass fiber dispersions for making uniform glass fiber mats by the wet-laid process. The well dispersed glass fiber compositions of this invention usually are prepared by mixing chopped glass fibers in water with a small amount of a select group of cationic quaternary ammonium compounds which have at least two long chain groups as part of the molecule. As features of the invention, the dispersions may be formed at relatively high glass fiber consistencies, in neutral or slightly alkaline solutions, and without generation of a high degree of foams. The resultant dispersions then are used to make very high quality glass fiber mats at high rates of production.

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