METHOD FOR IMPROVING PERMEABILITY OF LUMBER BY SUPERCRITICAL CARBON DIOXIDE TREATMENT, PERMEABILITY IMPROVING APPARATUS, AND LUMBER IMPREGNATED WITH CHEMICALS

摘要

PROBLEM TO BE SOLVED: To provide a method for improving chemicals permeability of lumber so that the chemicals easily penetrates even lumber which is hardly penetrated.;SOLUTION: The method for improving chemicals permeability of lumber treats the lumber with supercritical carbon dioxide.;COPYRIGHT: (C)2004,JPO