C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 273/00 (2006.01) C08F 290/04 (2006.01) C08L 51/00 (2006.01) C09D 151/00 (2006.01) C09J 151/00 (2006.01)
Patent
CA 2071401
This invention relates to a two stage aqueous emulsion polymerization process for making graft copolymers. In the first stage, at least one first ethylenically unsaturated monomer is polymerized in the presence of at least one mercapto-olefin compound to form a macromonomer with terminal functional groups. In the second stage, at least one second ethylenically unsaturated monomer is polymerized in the presence of the macromonomer such that a copolymer is formed with a backbone of polymerized units of the at least one second ethylenically unsaturated monomer and side chains of the macromonomer.
Amick David Richard
Emmons William David
Lorah Dennis Paul
Amick David Richard
Emmons William David
Gowling Lafleur Henderson Llp
Lorah Dennis Paul
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