Abstract: Provided is a method of regenerating an acrylic resin (B2), comprising (A) providing a collection of particles of acrylic resin (B2) that has calculated Hansch parameter of ?1.0 to 2.5, wherein one or more humic acid, one or more fulvic acid, or a mixture thereof, is adsorbed onto said acrylic resin (B2), and (B) bringing said collection of particles of acrylic resin (B2) into contact with an aqueous solution (RA) having pH of 4 or lower, to form a mixture B2RA, (C) then separating acrylic resin (B3) from said mixture B2RA.

Abstract: Provided is a method of suspension polymerization comprising (I) providing a composition comprising droplets distributed in an aqueous medium, wherein the droplets comprise one or more boronic acids, one or more monomers, and one or more initiators, and wherein the aqueous medium comprises polyvinyl alcohol; wherein the one or more boronic acids are present in an amount of 0.002% or more, by weight based on the weight of the droplets, and (II) stressing the composition so that the initiator initiates polymerization of the monomer.

Abstract: Provided is a method of making droplets distributed in an aqueous medium comprising bringing into contact (i) an organic solution comprising 0.

Abstract: Provided is a composition comprising droplets distributed in an aqueous medium, wherein the droplets comprise one or more boronic acids, and wherein the aqueous medium comprises polyvinyl alcohol.

Abstract: Provided is a method for treating sulfuric acid comprising the step (I) of bringing said sulfuric acid into contact with a collection of solid particles (B) having BET surface area of 50 m2/g to 5,000 m2/g and having volume-average particle diameter of 200 ?m or less.

Abstract: Provided is a method of purifying water comprising (a) providing an aqueous solution (A) that has pH of 5.5 or lower and that comprises (i) one or more dissolved organic compounds in an amount of 5 mg/L or more, measured as dissolved organic carbon, and (ii) 95% or more water by weight based on the weight of the aqueous solution (A), and (b) bringing the aqueous solution (A) into contact with a collection of particles of acrylic resin (B) that has calculated Hansch parameter of ?1.0 to 2.5, and (c) then separating an aqueous solution (C) from the collection of particles of acrylic resin (B).

Abstract: Provided is a method of suspension polymerization comprising (i) providing a suspension of liquid droplets in an aqueous medium, wherein said droplets comprise (a) one or more water-insoluble vinyl monomers, and (b) a polyelectrolyte (PED) having a polarity, (c) one or more initiators, and wherein said aqueous medium comprises a polyelectrolyte (PEW) having a polarity that is opposite to the polarity of said polyelectrolyte (PED), (ii) polymerizing said vinyl monomer or allowing said vinyl monomer to polymerize.

Abstract: Provided is a method for reacting a resin with sulfuric acid comprising the step of heating a reaction mixture to a temperature of 80° C. or higher, wherein said reaction mixture comprises (a) a collection of copolymer particles (A), (b) sulfuric acid, and (c) a collection of solid particles (B) different from said copolymer particles (A), wherein said solid particles (B) have BET surface area of 50 m2/g to 5,000 m2/g.

Abstract: Provided is a method for treating sulfuric acid comprising the step (I) of bringing said sulfuric acid into contact with a collection of solid particles (B) having BET surface area of 50 m2/g to 5,000 m2/g and having volume-average particle diameter of 200 ?m or less.

Abstract: Provided is a suspension comprising liquid droplets dispersed in an aqueous medium, wherein said droplets comprise (a) one or more water-insoluble compounds, and (b) a vinyl polyelectrolyte (PED) having a polarity, and wherein said aqueous medium comprises a polyelectrolyte (PEW) having a polarity that is opposite to the polarity of said polyelectrolyte (PED). Also provided are a method of making such a suspension and a method using such a suspension in a process of suspension polymerization.

Abstract: The present invention relates to the treatment of a promoted strong acid ion exchange resin for use as an acid catalyst with an antioxidant to protect the resin from oxidative degradation and the use of said treated promoted ion exchange resin catalyst in chemical production processes.

Abstract: Provided is a method of suspension polymerization comprising (i) providing a suspension of liquid droplets in an aqueous medium, wherein said droplets comprise (a) one or more water-insoluble vinyl monomers, and (b) a polyelectrolyte (PED) having a polarity, (c) one or more initiators, and wherein said aqueous medium comprises a polyelectrolyte (PEW) having a polarity that is opposite to the polarity of said polyelectrolyte (PED), (ii) polymerizing said vinyl monomer or allowing said vinyl monomer to polymerize.

Abstract: Provided is a suspension comprising liquid droplets dispersed in an aqueous medium, wherein said droplets comprise (a) one or more water-insoluble compounds, and (b) a vinyl polyelectrolyte (PED) having a polarity, and wherein said aqueous medium comprises a polyelectrolyte (PEW) having a polarity that is opposite to the polarity of said polyelectrolyte (PED). Also provided are a method of making such a suspension and a method using such a suspension in a process of suspension polymerization.

Abstract: A method for making an anion exchange or chelant resin comprising a vinyl aromatic polymer including a repeating unit comprising an aromatic ring substituted with an aliphatic amino group, wherein the method comprises the step of reacting a vinyl aromatic polymer with a nitro compound comprising from 1 to 12 carbon atoms with the proviso that the ? carbon includes at least one hydrogen.

Abstract: A method for making an anion exchange or chelant resin comprising a vinyl aromatic polymer including a repeating unit comprising an aromatic ring substituted with an aliphatic amino group, wherein the method comprises the step of reacting a vinyl aromatic polymer with a nitro compound comprising from 1 to 12 carbon atoms with the proviso that the a carbon includes at least one hydrogen.

Abstract: A water-insoluble copolymer including an epoxide containing structural unit represented by Formula (I), wherein: the epoxide containing group is positioned meta, ortho or para on the ring relative to the bond linkage with the polymer backbone; L is an optional linking group; and R1, R2 and R3 are independently selected from: hydrogen, or a substituted or unsubstituted hydrocarbyl group.

Abstract: A water-insoluble copolymer including an epoxide containing structural unit represented by Formula (I), wherein: the epoxide containing group is positioned meta, ortho or para on the ring relative to the bond linkage with the polymer backbone; L is an optional linking group; and R1, R2 and R3 are independently selected from: hydrogen, or a substituted or unsubstituted hydrocarbyl group.

Abstract: The present invention relates to the treatment of a promoted strong acid ion exchange resin for use as an acid catalyst with an antioxidant to protect the resin from oxidative degradation and the use of said treated promoted ion exchange resin catalyst in chemical production processes.

Abstract: The present invention relates to the use of an antioxidant treated promoted strong acid ion exchange resin as an acid catalyst.

Abstract: The present invention relates to the use of an antioxidant treated promoted strong acid ion exchange resin as an acid catalyst.