METHOD OF PRODUCING A WATER VAPOUR-PERMEABLE PLASTICS-COATED WALLPAPER OR WALL COVERING AND A WALLPAPER OR WALL COVERING PRODUCED BY SUCH A METHOD

摘要

1458444 Water permeable plastics coated wall covering. PICKHARDT & SIEBERT 19 Feb 1974 [24 March 1973 9 Jan 1974] 7497/ 74 Heading B2E A waiter vapour permeable plastics coated wallpaper or wall covering is prepared by applying plastics material, e.g. polyvinyl chloride, polyester, in monomeric form or as a solution to a web of paper or fleece and hardening the plastics coating, the coating having perforations which are formed by the dispersion of 1 to 5% water in the plastics material. Preferably 1.5 to 3% by weight of water is employed. The wall paper or covering is washable and adhesives applied thereto dry rapidly. One or more plastics layers may be applied.