Liquid ammonia explosion treatment of wood fibers

Details Liquid ammonia explosion treatment of wood fibers Liquid ammonia explosion treatment of wood fibers

D - Textiles, Paper

21

H

92/65

D21H 11/18 (2006.01) D21B 1/36 (2006.01)

Patent

CA 2293513

A process of forming improved cellulosic fibers is disclosed. In the process, liquid ammonia penetrates cellulosic fibers in a pressurized environment, and when the pressure is released, an explosive process produces cellulosic fibers having unique structure and properties. The high pressure liquid ammonia treatment introduces a significant curl into the fiber and introduces a smooth, soft, silky feel to the fiber not present in conventional cellulosic fibers. Such fibers are particularly useful in tissue, wipes, distributive layers, fiber mats, filter papers, and other porous articles.

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