Self-supporting moldable fiber mat and process for producing...

Details Self-supporting moldable fiber mat and process for producing... Self-supporting moldable fiber mat and process for producing...

B - Operations, Transporting

27

N

19/18, 117/43

B27N 3/10 (2006.01) D04H 1/58 (2006.01) D21B 1/06 (2006.01)

Patent

CA 1171742

ABSTRACT A moldable fiber mat comprising cellulosic fibers and small percentage of textile fibers and binder is produced from ligno- cellulosic material which is abraded and heated to approximately 500 to 700°F. to melt the lignin in the material, rupture the lignin bonds in the cellulosic fibers and redistribute the lignin on the surface of the fibers. The ligno-cellulosic material has a 75 to 85 percent solids content before being heated. Blending of the various fibers and the binder is done batchwise. The mat is passed through a compactor to reduce its length and thickness and increase its density.

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