Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Including surface treatment of porous body
Reexamination Certificate
2011-03-08
2011-03-08
Huson, Monica A (Department: 1742)
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Including surface treatment of porous body
C264S082000, C427S248100, C427S255280
Reexamination Certificate
active
07901603
ABSTRACT:
Herein is disclosed a method for modifying the surface adhesion characteristics of expanded foams and beads or other expanded structures or components formed therefrom, whereby the expanded foams and beads or other expanded structures or components formed therefrom, are contacted with a composition containing at least one oxidizing agent and an activator. The oxidizing agent in the composition is present in a kinetically degrading state capable of producing at least one chemical intermediate that is reactive with the expanded foams and beads or other expanded structures or components wherein the expanded foams and beads or other expanded structures or components formed therefrom, are maintained for an interval sufficient to produce or modify functional groups in the polymeric substrate/virgin polymeric material. The oxidizing agent of choice is a halogenated bivalent oxygen compound. An activator comprised of one or more inorganic acids, inorganic acid precursors, organic acids or derivatives thereof or combinations thereof activate the oxidizing agent.
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Beholz Lars Guenter
Hauth Galen
Huson Monica A
Young Basile Hanlon & MacFarlane P.C.
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