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Process for the treatment of a fibrous sheet obtained by papermaking process, with a view to improving its dimensional stability, and application of said process to the field of floor and wall-coverings

  • US 4,710,422 A
  • Filed: 01/16/1986
  • Issued: 12/01/1987
  • Est. Priority Date: 01/18/1985
  • Status: Expired due to Term
First Claim
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1. A process for improving the dimensional stability of a fibrous sheet obtained by a papermaking process, said sheet being made of fibers, at least a part of which are hydrophilic fibers, wherein said sheet is impregnated with a non-foaming chemical composition containing at least one wetting agent selected from the group consisting of polyglycols and derivatives thereof, and an aqueous solution of polyamide-polyamine-epichlorhydrin resin.

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