D - Textiles – Paper – 06 – N
Patent
D - Textiles, Paper
06
N
117/61, 204/91.4
D06N 7/00 (2006.01) B44C 1/20 (2006.01)
Patent
CA 1251764
ABSTRACT The processes of the invention comprise depositing onto a foamable or non-foamable support, in a first zone, a coating or print containing at least one first polymerisation initiator and, in a second zone which can optionally partially encompass the first zone, a coating based on a crosslinkable monomer containing at least one second polymerisation initator, at least two of the initiators being different and being triggered either by different effects or by one and the same effect but by different spectral zones. The coatings are subjected to a pre-gelling and, at least locally, a graining operation, a polymerisation of the first zone so as to fix its appearance, and a gelling which, by causing fluidisation of the coating, causes the disappearance of the grained appearance in the non-crosslinked zone and may also cause expansion and thermal crosslinking. The invention is particularly applicable to the production of wall coverings and floor coverings.
452584
Courtoy Jean-Francois
Marchal Daniel
Gowling Lafleur Henderson Llp
Sommer S.a.
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