| 摘要 |
PCT No. PCT/EP86/00242 Sec. 371 Date Dec. 12, 1986 Sec. 102(e) Date Dec. 12, 1986 PCT Filed Apr. 21, 1986 PCT Pub. No. WO86/06424 PCT Pub. Date Nov. 6, 1986.The invention teaches the treatment of a porous substrate such as a textile material by treating the substrate with a foam, the substrate prior to treatment having a moisture content of up to 130% of the transit water content, forcing the foam into the porous substrate to enable foam transit through said substrate, causing or allowing foam collapse both at the surface interface and at the interior interface and terminating the treatment by removing or deactivating the reagent. |
