Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1975-10-28
1977-03-08
Woodberry, Edward M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
260 17A, 526200, 526201, 526319, C08L 110, C08L 118
Patent
active
040113884
ABSTRACT:
Process for the preparation of aqueous homogeneous polymer emulsion which comprises mixing, generally with agitation or under shear conditions, water, surfactant, at least one polymer, e.g., cellulosic compounds, and at least one monomer, e.g., acrylics, methacrylics, styrene, etc., the polymer being soluble in said monomer, to form a dispersion of polymer-monomer particles in water; then subjecting said dispersion to conditions such that the monomer within the particles become polymerized by free radical polymerization thereby forming a substantially homogeneous blend of at least two polymers within the particles of the emulsion. The particles have on the average a diameter of 5 microns or less.
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patent: 3828016 (1974-08-01), Bacskai
patent: 3966847 (1976-06-01), Seiderman
Murphy Charles Vincent
Zunker David William
E. I. Du Pont de Nemours and Company
Woodberry Edward M.
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