<p>Methods of impregnating various polymer substrates with an impregnation additive, by simultaneously contacting the polymer substrate with an impregnation additive, carrier liquid, and supercritical fluid are provided. The impregnation additive is substantially insoluble in the supercritical fluid, and the carrier liquid is preferably substantially insoluble in the supercritical fluid.</p>
申请公布号
EP0683804(A1)
申请公布日期
1995.11.29
申请号
EP19940908776
申请日期
1994.02.10
申请人
MINNESOTA MINING AND MANUFACTURING COMPANY
发明人
PERMAN, CRAIG, A.;BARTKUS, JOANNE, M.;CHOI, HYE-OK, H.;RIECHERT, MANFRED, E.;WITCHER, KELVIN, J.;KAO, RICHARD C.;STEFELY, JAMES, S.;GOZUM, JOHN