C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 293/00 (2006.01) C08F 2/38 (2006.01) C08F 222/00 (2006.01) C09D 157/00 (2006.01)
Patent
CA 2134870
A improved method of free radical polymerization in an aqueous system, such as an emulsion or suspension process. The polymerization is conducted in the presence of a relatively low molecular weight macromonomer such as can be made with a metal chelate chain transfer catalyst. This method is useful for reducing the molecular weight of a variety of polymers and copolymers, including acrylic and olefinic polymers.
Antonelli Joseph A.
Berge Charles T.
Darmon Michael J.
E. I. Du Pont de Nemours And Company
Torys Llp
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