Coating processes – With post-treatment of coating or coating material – Solvent vapor treatment of coating
Reexamination Certificate
2006-09-28
2010-11-23
Meeks, Timothy H (Department: 1715)
Coating processes
With post-treatment of coating or coating material
Solvent vapor treatment of coating
C427S307000
Reexamination Certificate
active
07838074
ABSTRACT:
The invention concerns a method for preparing a substrate one surface of which consists of a polymer, said polymer surface being oriented and nanostructured, said method including the following successive steps: a) brushing the polymer surface in an amorphous state of the substrate; b) contacting with a vapor of a solvent, the oriented polymer surface obtained at the end of step a), said solvent being selected such that: |δpoly−δsol|/[(δpoly+δsol)/2]<0.3, δpolyand δsolrepresenting respectively the solubility parameters of the polymer and of the solvent, and γsol<γpoly, γsolet γpolyrepresenting respectively the free surface energies of the solvent and the polymer. The invention concerns a substrate one polymer surface of which at least is oriented and nanostructured, and the various uses of said substrate.
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Brinkmann Martin
Wittmann Jean-Claude
Centre National de la Recherche Scientifique "CNRS"
Leong Nathan T
Meeks Timothy H
Sughrue & Mion, PLLC
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