Process for producing fibrous composites, particularly double fl

Details Process for producing fibrous composites, particularly double fl Process for producing fibrous composites, particularly double fl

1993-03-19

1996-07-16

Ryan, Patrick J.

Coating processes

With post-treatment of coating or coating material

Heating or drying

427213, 42721332, 42721333, 427314, 427316, 427322, 427324, 427325, 4273961, 427379, 264 87, 106703, 106723, 106731, B05D 302

Patent

active

055365337

ABSTRACT:
A process for producing fibrous composite materials from feed stock formed reliminarily from a gypsum binder and chopped cellulose fibers, and saturating the mixture with water to the extent of at least 1.2 times its normal hydrated state, and beating the material to provide a fleece that is then spread on a flat surface and subjected to pressure for a sufficient length of time to drive out a substantial portion of the moisture from the product. The compression step is carried out long enough to achieve a bulk density of approximately 9/10 the dry bulk density of the components prior to hydration.

REFERENCES:
patent: 4088504 (1978-05-01), Collepardi

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