Property variation of dispersion resins by electrofiltration

Claim 2

Dispersed particles having replaceable ions thereon forming a surface ion environment formed by the steps comprising: adding the dispersed particles to an electrically augmented vacuum filter having an anode cell, adding an effective amount of an anolyte compound to said anode cell so that said anode cell has a conductivity of at least 5,000 micromhos/cm, applying a current to said anode cell, and altering the surface environment of said dispersed particles by at least partially replacing ions of said dispersed particles with said anolyte compound/

Claim 3

Dispersed particles according to claim 1, and wherein said anode cell has an optional membrane thereon.

Claim 4

Dispersed particles according to claim 2, wherein said dispersed particles are a vinyl resin, and wherein said anolyte is an electrolyte.

Claim 5

Dispersed particles according to claim 3, wherein said electrically augmented vacuum filter has a cathode cell therein.

Claim 6

Dispersed particles according to claim 4, wherein said anode cell has a conductivity of at least 30,000 micromhos/cm, wherein said vinyl resin migrates to said anode, wherein the amount of anolyte added to said particle surface is from about 0.01 to about 1.5 parts by weight per 100 parts by weight of said particles, and wherein said anolyte is ammonium carbonate, sodium 2-ethyl hexyl sulfate, or sodium alkyl phenol polyether sulfate.

Claim 7

A process for changing the surface characteristics of a dispersed particle in an electrically augmented vacuum filter having an anode cell and containing a dispersed particle slurry therein; comprising the steps of: utilizing an anolyte solution having ions therein in the anode cell, wherein said anolyte is an organic salt or an inorganic salt, wherein said cation portion of said inorganic salt is an alkali, an alkaline earth, ammonium, or a quaternary amine and wherein the anionic portion is a carbonate, a nitrite, a borate, a sulfate, a sulfonate, a phosphate, a polyphosphate, a silicate, or an aluminate, collecting the dispersed particles on said anode cell, said dispersed particles having ions thereon, exchanging at least an effective amount of said dispersed particle ions for said anolyte ions, and further altering the surface environment of said dispersed particles by adding some of said anolyte compound in whole to the surface of said particles.

Claim 8

A process for changing the surface characteristics of a dispersed particle in an electrically augmented vacuum filter having an anode cell and containing a dispersed particle slurry therein; comprising the steps of: utilizing an anolyte solution having ions therein in the anode cell, wherein said anolyte is an organic salt or an inorganic salt, wherein said cation portion of said inorganic salt is an alkali, an alkaline earth, ammonium, or a quaternary amine and wherein the anionic portion is a carbonate, a nitrite, a borate, a sulfate, a sulfonate, a phosphate, a polyphosphate, a silicate, or an aluminate, collecting the dispersed particles on said anode cell, said dispersed particles having ions thereon, exchanging at least an effective amount of said dispersed particle ions for said anolyte ions, and further altering the surface environment of said dispersed particles by adding some of said anolyte compound in whole to the surface of said particles.

Claim 9

A process according to claim 8, wherein said anode cell has a conductivity of at least 5,000 micromhos/cm, wherein said dispersed particles are vinyl resin particles, and wherein at least 50% of said dispersed particle ions are replaced by said anolyte ions.

Claim 10

Particles prepared by dispersion polymerization, comprising: dispersed particles, said dispersed particles having replaceable dispersion preparation ions thereon, said dispersed particles having at least an ion thereon added thereto other than the dispersion preparation ion in the presence of an electrically augmented vacuum filter, and wherein the amount of said ion added thereto is at least 50% of the total number of replaceable dispersion preparation ions.

Claim 11

Particles prepared by dispersion polymerization, comprising: dispersed particles, said dispersed particles having replaceable dispersion preparation ions thereon, said dispersed particles having at least an ion thereon added thereto other than the dispersion preparation ion in the presence of an electrically augmented vacuum filter, and wherein the amount of said ion added thereto is at least 50% of the total number of replaceable dispersion preparation ions.

Claim 12

Polymerized dispersed particles having a modified surface characteristic, comprising: the dispersed particles, said dispersed particles having the modified surface characteristic imparted thereto by having at least a modifying ion thereon other than the dispersed preparation ion, said modifying ion impartable thereto from an anode electrolyte in the presence of an electrically augmented vacuum filter, the amount of said anode electrolyte added to the surface of said particles being from about 0.01 to about 1.5 parts by weight added in whole per 100 parts by weight of said dispersed particles.

Claim 13

Polymerized dispersed particles having a modified surface characteristic, comprising: the dispersed particles, said dispersed particles having the modified surface characteristic imparted thereto by having at least a modifying ion thereon other than the dispersed preparation ion, said modifying ion impartable thereto from an anode electrolyte in the presence of an electrically augmented vacuum filter, the amount of said anode electrolyte added to the surface of said particles being from about 0.01 to about 1.5 parts by weight added in whole per 100 parts by weight of said dispersed particles.

Claim 14

Dispersed particles according to claim 9, wherein the amount of said anode electrolyte added to said particle surface is from about 0.05 to about 0.1 parts by weight per 100 parts by weight of said particles, and wherein said particles are vinyl resin particles.