Heat stable prepastes for wallcoverings

Details Heat stable prepastes for wallcoverings Heat stable prepastes for wallcoverings

1988-06-14

1989-10-10

Lusignan, Michael

Coating processes

Coating remains adhesive or is intended to be made adhesive

156 71, 4273899, 427391, B05D 302, B05D 510

Patent

active

048731242

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.degree. C.

REFERENCES:
patent: 4355073 (1982-10-01), Knightley
patent: 4710422 (1987-12-01), Fredenucci
patent: 4713264 (1987-12-01), Clarke et al.

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