Insulating and filler material comprising cellulose fibers...

Details Insulating and filler material comprising cellulose fibers... Insulating and filler material comprising cellulose fibers...

C - Chemistry, Metallurgy

08

L

31/67, 6/90

C08L 1/02 (2006.01) C04B 43/12 (1980.01)

Patent

CA 1142306

ABSTRACT OF DISCLOSURE A soft fluffy light weight substance suitable as a filler and insulating material is made from paper-making waste (an aqueous or dewatered mixture of cellulose fiber and clay) by removing water from the mixture such as by settling, filtering and evaporation, to form a dry, hard agglomerate of clay and cellulose fibers, and then milling the agglomerate for a time such as to pulverize the clay to -100 U.S. Series thereby forming an aggregate containing particles of cellulose fibers having fine particles of clay entrapped thereon. The preferred clay is kaolin.

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