Supercritical fluid-aided treatment of porous materials

Details Supercritical fluid-aided treatment of porous materials Supercritical fluid-aided treatment of porous materials

1990-03-27

1992-12-08

Bell, Janyce

Coating processes

Vacuum utilized prior to or during coating

Organic base

427394, 427395, 427397, B05D 300

Patent

active

051696878

ABSTRACT:
Method and process using a supercritical fluid, with or without the aid of entrainers 1) to solubilize a monomer, monomer mixture or polymer which may or may not include additives and entrainers, 2) to carry the supercritical solvent mixture thereby created into the wood matrix, 3) to remove extractives from the wood, 4) to precipitate the monomer or polymer within the wood, and 5) to polymerize the monomer in situ in the wood.

REFERENCES:
patent: 3790401 (1974-02-01), Maine
patent: 4308206 (1981-12-01), Fremont
patent: 4500568 (1955-02-01), Pearson
patent: 4582731 (1986-04-01), Smith
patent: 4644060 (1987-02-01), Chou
patent: 4734451 (1988-03-01), Smith
patent: 4923720 (1990-05-01), Lee et al.
Copy of Specification to 06/883,156 filed Jul. 8, 1986.

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