Thin-layer lignocellulose composites and methods of making...

Details Thin-layer lignocellulose composites and methods of making... Thin-layer lignocellulose composites and methods of making...

2008-12-11

2011-11-15

Torres Velazquez, Norca L (Department: 1786)

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Nonwoven fabric

Including a wood containing layer

C428S326000, C428S425100, C442S149000, C442S153000

Reexamination Certificate

active

08058193

ABSTRACT:
In one aspect, the present invention is a thin-layer lignocellulose composite having increased resistance to moisture. The thin-layer lignocellulosic composite includes a mixture of no more than about 95% by weight of a lignocellulosic fiber and at least about 5% by weight of an organic isocyanate resin. The mixture further includes short fibers and a release agent that does not interfere with subsequent processing of the thin-layer lignocellulosic composite. The mixture is pressed between two dies at an elevated temperature and pressure and for a sufficient time to form a thin-layer composite of predetermined thickness, and to allow the isocyanate resin to interact with the lignocellulosic fiber and short fibers such that the resultant thin-layer composite has a predetermined resistance to moisture.

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