Sheet material and process for production thereof

Details Sheet material and process for production thereof Sheet material and process for production thereof

1995-04-25

1998-06-09

Niland, Patrick D.

Stock material or miscellaneous articles

Composite

Of polyimide

264241, 264257, 264258, 428236, 428240, 428241, 428245, 428283, 428290, 428457, 428458, B32B 502, B32B 506, B32B 2700, B32B 2706

Patent

active

057630941

ABSTRACT:
A sheet material including at least: an inorganic filler other than asbestos, a rubber material, a polycarbodiimide resin powder, and, as necessary, an organic or inorganic fiber; or a sheet material including (1) a sheet having the same constitution as the above sheet material and (2) a reinforcing material treated with a polycarbodiimide resin, and
a process for producing the sheet material. The sheet material containing no asbestos is free from the problems of the asbestos-containing sheet materials of the prior art, has excellent flexibility, sealing property and heat resistance, and can be used as a gasket, a packing, etc. which are superior in chemical resistance, particularly flon substitute resistance.

REFERENCES:
patent: 5180631 (1993-01-01), Amano
Webster's Ninth New Collegiate Dictionary, 1990, p. 954, definition 2 of "pulp".

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