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

1994-02-28

1995-05-16

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524425, 524430, 524494, 524495, 524589, C08J 510, C08K 330, C08L 7908

Patent

active

054161495

ABSTRACT:
The present invention provides a pulp-like composite material 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 polycarbodiimide (b) and the coated inorganic material is connected 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.

REFERENCES:
patent: 3755242 (1973-08-01), Reich
patent: 5100994 (1992-03-01), Amano et al.

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