Université De Neuchâtel

Peter Douwe Van Der Wal

The invention relates to a method for depositing an adhesive PVC copolymer layer on a substrate, characterized in that it comprises the following steps: formation of a mixture of copolymer precursors in an organic solvent, whereby said mixture comprises PVC and 0.1-2 wt. % organotrialkoxysilane of formula H(HN&#x2014;R)&#x2014;R&#x2014;Si&#x2014;(OR), wherein Rand Rare alkyl groups or intermediate aromatic groups, Ris an aryl group, the three substituents Rcannot be the same and x is 0-2; a layer of said mixture is deposited on the substrate; the mixture is dried in order to evaporate the solvent; the aggregate thus obtained is heated to a temperature of 70-170&#xb0; C. for a duration that respectively ranges from 3 hours and 5 minutes.

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Neuchâtel, Switzerland

Peter Douwe Van Der Wal