C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
400/4008, 400/59
C08F 283/10 (2006.01) C08F 299/02 (2006.01) C08L 63/10 (2006.01)
Patent
CA 1246272
ABSTRACT OF THE DISCLOSURE This invention is directed to a stable dispersion of an organic polymer in a polyepoxide as a continuous phase and to a process for preparing such dispersions. The dispersions of this invention are characterized by being insoluble in the polyepoxide at a temperature of at least 60°C. The process of this invention is characterized by the steps of (1) preparing a vinylized adduct by reacting a small amount of a functional monomer with the polyepoxide, (2) preparing a dispersion stabilizer by reacting the vinylized adduct with an ethylenically unsaturated monomer, and (3) preparing the dispersion of the organic polymer by polymerizing an ethylenically unsaturated monomer in the polyepoxide and in the presence of the dispersion stabilizer. The dispersions of this invention are useful in solution, high solids and powder coating compositions; fiber reinforced laminates and composites; casting and molding resins; and adhesives;
459510
Arends Charles B.
Hoffman Dwight K.
Smart & Biggar
The Dow Chemical Company
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