Chemistry: electrical and wave energy – Apparatus – Electrolytic
Reexamination Certificate
2005-04-26
2005-04-26
Noguerola, Alex (Department: 1753)
Chemistry: electrical and wave energy
Apparatus
Electrolytic
C427S387000, C427S388100, C257S253000
Reexamination Certificate
active
06884331
ABSTRACT:
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—R1)x—R2—Si—(OR3)3, wherein R1and R2are alkyl groups or intermediate aromatic groups, R3is an aryl group, the three substituents R3cannot 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° C. for a duration that respectively ranges from 3 hours and 5 minutes.
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Fiaz M., et al: “Silane Crosslinking of Plasticized Poly (Vinyl Chloride)” Advance in Polymer Technology, GB, John Wiley and Sons, Chichester, vol. 17, No. 1, pp. 31-51 XP000732737 ISSN: 0730-6679, 1998.
Noguerola Alex
Universite de Neuchatel
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