Pulp-like composite material and process for production thereof

Details Pulp-like composite material and process for production thereof Pulp-like composite material and process for production thereof

D - Textiles, Paper

21

H

D21H 13/36 (2006.01) C08J 3/21 (2006.01) C08K 7/00 (2006.01)

Patent

CA 2071646

ABSTRACT The present invention provides a pulp-like composite ma- terial free from the problems possessed by wood pulp and may be used as a possible substitute for asbestos, and a process for production thereof. The pulp-like composite material of the present invention comprises (a) an inorganic material other than asbestos and (b) a polycarbodiimide, wherein the inorganic material (a) is substantially covered by the polycarbodiimide (b), or, the inorganic material (a) is substantially covered by the poly- carbodiimide (b) and the coated inorganic material is con- nected to each other. The process for producing a pulp like composite material according to the present invention comprises dispersing an inorganic material other than asbestos in at least either of a polycarbodiimide solution and a precipitant and then mixing the resulting polycarbodiimide solution with the resulting precipitant while applying, as necessary, a shear force or a beating force.

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