C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
117/201, 117/202
C09J 7/04 (2006.01) C09J 133/02 (2006.01) C09J 157/00 (2006.01)
Patent
CA 1307870
"HEAT STABLE PREPASTES FOR WALLCOVERINGS" ABSTRACT A method of producing a prepasted wallcovering comprises applying to a substrate a paste composition comprising a water-in-oil emulsion of a water-soluble polymer which is essentially wholly anionic but contains a small amount of crosslinking residues derived from a polyfunctional monomer. The composition additionally contains a surfactant and has a pH of at least 7. The method is especially applicable to the production of prepasted wallcoverings which require a subsequent heat treatment step, the composition being designed to withstand temperatures of at least 200°C.
569430
Riches Mckenzie & Herbert Llp
Scott Bader Company Limited
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