C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 7/16 (2006.01) C08F 290/12 (2006.01) C08F 291/18 (2006.01) C08J 7/12 (2006.01) C08J 7/18 (2006.01) G02B 1/04 (2006.01) G02B 1/12 (2006.01)
Patent
CA 2097879
Process for graft polymerization on surfaces of preformed substrates to modify surface properties Abstract of the invention This invention relates to a process for modifying the surface characteristics of a preformed polymer substrate to impart altered properties thereto by graft polymerization on the substrate which includes: placing the polymer substrate in a plasma to form free radicals on the substrate; contacting the substrate having free radicals with oxygen to form hydroperoxy groups on the surface of the substrate; and graft polymerizing an ethylen- ically unsaturated monomer onto the surface of the polymer substrate.
Ajello Ellen M.
Auten Richard D.
Janssen Robert A.
Nomura Glenn S.
Shank Thomas E.
Ag Ciba-Geigy
Fetherstonhaugh & Co.
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