Material for enhancing water tolerance of composite boards

Details Material for enhancing water tolerance of composite boards Material for enhancing water tolerance of composite boards

1997-08-28

1999-12-14

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

By extrusion spraying or gravity fall through orifice

264 28, 264109, 264140, B29C 6700

Patent

active

060012862

ABSTRACT:
A method of enhancing water resistance of composites uses a water repellant material which may be applied toward and other fibrous vegetable materials. The method begins with a saturated vegetable or animal fat triglyceride having a low iodine value. The triglyceride is rendered in a form which may be a fine powder, an emulsion, or a dispersion in a liquid. The sprayable triglyceride and a bonding agent are applied to the fibrous materials, preparatory to a press binding. There, the sprayed material is subjected to a hot press cycle in order to form a bonded fibrous composition. The low Iodine Value triglyceride may be selected from a group including hydrogenated vegetable oil, palm oil, stearine, winterized low IV fractions, soy stearine, animal fat, hydrogenated animal fat, and fractionated fats or blends of these materials.

REFERENCES:
patent: 5607633 (1997-03-01), Sleeter et al.
patent: 5719301 (1998-02-01), Sleeter

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