Abstract: Process for preparing an aqueous polymer dispersion by polymerizing at least one ethylenically unsaturated monomer B in an aqueous medium in the presence of polymer particles A and at least one dispersant.

Abstract: A polymer particle (10) useful for opacifying includes a polymer core (12) and a polymer sheath (16) surrounding the polymer core (12). The polymer core (12) is produced by polymerizing the polymer sheath (16) around the polymer core (12) in an emulsion. After at least a portion of the polymer core (12) is formed, a non-homopolymerizing monomer is added to the emulsion.

Abstract: The present invention discloses a production method of core-shell type highly liquid absorbent resin particles comprising: (1) a first step in which a particle core portion is formed by suspension polymerizing an aqueous solution (e) containing (meth)acrylic acid, a crosslinking agent (c) and an anionic surfactant (d) in a hydrophobic organic solvent (a) containing a nonionic surfactant (b), and (2) a second step in which a shell portion that covers the particle core portion is formed by suspension polymerizing an aqueous solution (g) containing a water-soluble vinyl polymer (f), having carboxyl groups and polymerizable unsaturated double bonds and having a number average molecular weight of 500 to 10000, in a suspension obtained in the first step.

Abstract: An aqueous dispersion comprising a crystallisable vinyl block copolymer-polymer which comprises: i) a vinyl block copolymer comprising at least blocks [A]x [B]y , wherein at least a crystallisable block [A] is obtained by a controlled radical polymerisation of at least one vinyl monomer via a reversible addition-fragmentation chain transfer (RAFT) mechanism in solution, in the presence of a control agent and a source of free radicals; and wherein the vinyl block copolymer comprises 2 to 50 wt % of vinyl monomers bearing at least a crystallisable side chain by weight of the vinyl block copolymer-polymer; wherein crystallisable block [A] has an average degree of polymerisation x, wherein x is an integer in the range of from 3 to 80; wherein block [B] has an average degree of polymerisation y, wherein y is an integer ?3; and ii) a vinyl polymer [P] obtained by the free radical emulsion polymerisation of one or more vinyl monomers in the presence of the vinyl block copolymer; and wherein the block copolymer:polym

Abstract: An aqueous composition comprising: A) a crosslinkable vinyl graft copolymer comprising 30 to 85 wt % of a polymeric backbone; and 70 to 15 wt % of at least one macromonomer grafted to the polymeric backbone, where the Tg of the macromonomer is in the range of from 15 to 140° C.; where the Tg of the polymeric backbone is ?40° C.; where the vinyl graft copolymer comprises 0.6 to 10 wt % of at least one carbonyl functional vinyl monomer; where the polymeric backbone contains ?75% of the carbonyl functional vinyl monomers in the vinyl graft copolymer; and B) a hydrazide functional compound; where the ratio of hydrazide functional groups to carbonyl functional groups in the vinyl graft copolymer is in the range of from 0.1 to 1.5; and where the composition comprises ?50 wt % of organic co-solvent by weight of the vinyl graft copolymer.

Abstract: The present invention relates to rubbery core/shell polymers that have improved heat and ultraviolet light resistance. These polymers can be blended with thermoplastics to make leathery compositions. The core/shell polymers of this invention have an inner core and an outer shell. The inner core is has repeat units which are derived from (a) butyl acrylate, (b) a member selected from the group consisting of methyl methacrylate, ethyl methacrylate, methyl acrylate, and ethyl acrylate, (c) optionally, an alkoxy ethyl acrylate or an alkoxy ethyl methacrylate, (d) acrylonitrile, (f) a cross-linking agent, and (g) a monomer containing reactive cure sites The outer core has repeat units which are derived from (d) acrylonitrile, (e) styrene, and (f) additional cross-linking agent. The outer core of these polymers is void of repeat units that are derived from methyl methacrylate.

Abstract: Provided is a re-peeling pressure-sensitive adhesive composition for a surface protecting material for an adherend having a photocatalytic layer, comprising: a (meth)acryl-based polymer including, as monomer units, 50 to 99.9% by weight of (A) at least one acrylate-based monomer represented by the general formula (1): CH2?CR1COOR2 wherein R1 represents a hydrogen atom or a methyl group, and R2 represents an alkyl group having 2 to 14 carbon atoms, 0.1 to 10% by weight of (B) a functional-group-containing vinyl-based monomer, and 0 to 49.9% by weight of (C) a vinyl-based monomer copolymerizable with the component (A) and/or the component (B); and (D) a surfactant having a molecular weight of 150 to 5000, the amount of the component (D) being from 0.01 to 30 parts by weight with respect to 100 parts by weight of the (meth)acryl-based polymer. The re-peeling pressure-sensitive adhesive composition is excellent in re-peeling property, contact-angle-recoverability, and weather resistance.

Abstract: Amphoteric polymer composite nanoparticles are added into the polymer grains of synthetic fibers. The synthetic fibers are woven to form a textile capable of adjusting pH value.

Abstract: The present invention provides methods of conducting emulsion polymerizations and dispersion resulting therefrom. The present invention additionally provides substrates coated or treated with polymeric dispersions.

Abstract: A process is described for removing isobutene oligomers from an isobutene polymer by stripping the isobutene polymer with vapors of a saturated hydrocarbon having at least 8 carbon atoms and at least partly driving out the isobutene oligomers. Troublesome isobutene oligomers are substantially removed without impairing the reactivity of the isobutene polymer (expressed as the content of the methylidene double bonds).

Abstract: The present invention provides a process for preparing emulsion polymer particles of a hollow core/shell structure in the presence of a monomer plasticizer having a ceiling temperature less than 181° C. wherein a polymerization inhibitor or reducing agent is not added to the aqueous emulsion of the core shell particles during the neutralization and swelling stage. The obtained core shell particles are useful in paints, paper coatings, foams, and cosmetics.

Abstract: “The invention relates to a method for preparing a composite latex, including (a) a first step of free radical emulsion or microsuspension polymerization or copolymerization, leading to the production of a first polymer latex, and (b) a second step of free radical microsuspension, emulsion, or suspension polymerization or copolymerization in the presence of the first polymer latex obtained in the first step (a), characterized in that the first polymer forming the latex obtained in step (a) is a halogen-containing vinyl polymer and the polymer formed in step (b) is an associative copolymer, preferably compatible with the halogen-containing vinyl polymer, which contains units from a first monomer (A) and units from a second monomer (B) having at least one associative group; however the nature of both polymers are capable of being reversed.

Abstract: The present invention is drawn to the use of blocked maleimide monomers for the preparation of latex particles, including those having active maleimide surface groups. In accordance with this, a method of forming latex particulates can comprise the steps of preparing a monomer emulsion including an aqueous phase and an organic monomer phase, wherein the organic monomer phase includes at least one blocked maleimide monomer; polymerizing the organic monomer phase to form blocked maleimide latex particulates dispersed in the aqueous phase; and unblocking the blocked maleimide latex particulates to form latex particulates with active maleimide groups at least on the surface of the latex particulates.

Abstract: A pH-sensitive polymer which has cytotoxic or membranolytic properties at pH values below pH 6.5. Carriers for natural or synthetic biomolecules or active pharmaceutical ingredients using such a pH-sensitive polymer.

Abstract: Dispersion powders stabilized include a protective colloid. The protective colloid includes at least one polyvinyl alcohol having a Höppler viscosity ?1 of not more than 3 mPas and at least one polyvinyl alcohol having a Höppler viscosity ?2 of from 4 mPas to 25 mPas. The weighted Höppler viscosity ?w of the protective colloid is not more than 6 mPas.

Abstract: The present invention discloses a thermosetting aqueous paint, comprising an oligomer (A-1), having a specific acid value, hydroxyl value and number average molecular weight, and obtained by reacting a compound having at least one hydroxyl group and at least one carboxyl group in a molecule thereof, a monoepoxide compound having a long-chain hydrocarbon group, and as necessary, a polyvalent carboxylic acid and/or polyvalent carboxylic acid anhydride, and/or a polyester resin (A-2) obtained by further reacting a polyvalent carboxylic acid and/or a polyvalent carboxylic acid anhydride and/or a polyisocyanate compound with the oligomer, and a crosslinking agent (B); and also discloses a method for forming a paint film using this paint.

Abstract: Disclose is a water soluble anionic polymer dispersion containing a radical copolymer created in water salt which includes anionic monomer, non-ionic monomer, ionic dispersant and radical polymerization initiator, and anionic surfactant or non-ionic surfactant. Also disclosed is a water soluble anionic polymer dispersion is characterized by containment of radical copolymer created in salt water which includes anionic monomer, non-ionic monomer, ionic dispersant, and radical polymerization initiator, and anionic surfactant, and non-ionic surfactant. Manufacturing methods for the water soluble anionic polymer dispersions are further disclosed herein.

Abstract: The present invention provides an aqueous dispersion of nonspherical fine resin particles having excellent storage stability and processability such as aggregation and adherence to other substances, a method for producing the aqueous dispersion of fine resin particles, and a method for producing toner particles using the aqueous dispersion of fine resin particles. The present invention relates to an aqueous dispersion of fine resin particles characterized in that the fine resin particles are nonspherical particles with an average minor axis being 0.02 ?m or more and 1.00 ?m or less and an average ratio of a major axis to a minor axis being 2.0 or more and 5.0 or less, a method for producing the aqueous dispersion of fine resin particles, and a method for producing toner particles using the aqueous dispersion of fine resin particles.

Abstract: A filler-containing an organic polymer dispersion is provided. The organic polymer of the dispersion is polymerized in the presence of particles of at least one filler. The ratio of the particle size of the filler particles to the particle size of the polymer particles is in the range of from 1.1:1 to 20:1.

Abstract: A surfactant composition has good emulsifiability for monomer(s), and can provide a polymer emulsion (herein after simply called “the emulsion”) of good stability while decreasing coagulations of polymer particles in the emulsion. The surfactant composition contains the following components (A) and (B): (A) a reactive surfactant containing at least one polymerizable double-bond group and at least one ionic group in a molecule, and (B) a nitrogen compound insoluble or slightly soluble in ethanol. A weight ratio (A:B) of the component (A) to the component (B) is from 100:0.03 to 100:1.0.

Abstract: An aqueous dispersion of a block copolymer comprising a polyadduct or polycondensate (polymer I for short) on one hand and a polymer obtainable by free-radical addition polymerization (polymer II for short) on the other, wherein polymer I is obtainable by reaction of its starting compounds in miniemulsion, one of the starting compounds of polymer I is an initiator of free-radical addition polymerization, and polymer II is prepared in the presence of said initiator.

Abstract: This invention provides a method for producing a modified natural rubber masterbatch, which comprises the step of mixing a modified natural rubber latex, which is formed by adding a polar group-containing monomer to a natural rubber latex to graft-polymerize the polar group-containing monomer onto a natural rubber molecule in the natural rubber latex, with a slurry solution formed by previously dispersing a filler into water, and a modified natural rubber masterbatch produced by the method and capable of highly improving a low loss factor, a wear resistance and fracture characteristics of a rubber composition.

Abstract: Process for improving the brilliance of color and the stability of a colored polymer system, which is composed of a matrix and of discrete polymer particles distributed in accordance with a defined spatial lattice structure in the matrix, and which is obtained by filming of an emulsion polymer with core/shell structure, which comprises using an emulsion polymer obtainable by polymerizing monomers in at least one first stage (core monomers), then polymerizing monomers in at least one further, second stage (transition stage), and finally polymerizing monomers in a third stage (shell monomers), where, based on the percentage constitution of the monomer mixtures of the three stages, at most 30% by weight of the monomers of the first stage are identical with those of the third stage, and 5% of the monomers of the second stage are identical with, respectively, those of the first and those of the third stage, and not more than 60% by weight of the monomers of the 2nd stage here are monomers absent in the 1st sta

Abstract: An aqueous dispersion of water-soluble polymers obtained by free radical polymerization of ethylenically unsaturated anionic monomers in an aqueous medium in the presence of a stabilizer, wherein the stabilizer comprises: (a) at least one water-soluble polymer selected from the group consisting of a graft polymer of vinyl acetate and/or vinyl propionate on polyethylene glycol, a polyethylene glycol blocked at one or both terminal groups with an alkyl, a carboxyl or an amino group, and a copolymer of alkyl polyalkylene glycol methacrylate and methacrylic acid; and (b) at least one water-soluble polymer selected from the group consisting of a hydrolyzed copolymer of vinyl alkyl ether and maleic anhydride in the form of free carboxyl groups or in the form of salts at least partially neutralized with one or more alkali metal hydroxides or one or more ammonium bases, a cationically modified potato starch, an anionically modified potato starch, a degraded potato starch and maltodextrin.

Abstract: An aqueous resin composition obtained by dissolving 100 parts by mass of acid-modified polyolefin and 5 to 60 parts by mass of surfactant in 15 to 1900 parts by mass of polymerizable monomer, adding water in the presence of basic compound to perform phase inversion emulsification, and polymerizing the monomer; an aqueous resin composition obtained by dissolving 100 parts by mass of acid-modified polyolefin and 5 to 60 parts by mass of surfactant in a first polymerizable monomer, adding water in the presence of basic compound to perform phase inversion emulsification, polymerizing the first monomer to form a resin composition, adding and polymerizing a second polymerizable monomer to the resin composition; the monomers being used in a total amount of 15 to 1900 parts by mass per 100 parts by mass of the acid-modified polyolefin; and paints, inks, adhesives, sealants and primers containing such composition as an active ingredient.

Abstract: A resin composition includes a polymer (A) mainly containing a structural unit represented by following Formula (1): wherein m represents an integer of 2 to 10; X1 and X2 are each hydrogen atom, hydroxyl group or a functional group that can be converted into a hydroxyl group, wherein at least one of X1 and X2 is hydroxyl group or a functional group that can be converted into hydroxyl group; R1, R2 and R3 are each hydrogen atom, hydroxyl group, a functional group that can be converted into hydroxyl group, an alkyl group, an aryl group, an aralkyl group or a heteroaryl group, wherein the plural R1s may be the same as or different from each other; and a vinyl alcohol polymer (B).

Abstract: The invention is directed to a method of making ultra high molecular weight diallyldialkyl ammonium salt homopolymers, compositions thereof and use of compositions as a fixative in papermaking.

Abstract: The invention relates to a multilayer film encompassing at least one upper layer a) and one middle layer b) composed of (meth)acrylate copolymers, and also a backing layer c) composed of polycarbonate, where the upper layer a) comprises a light stabilizer and is composed of a (meth)acrylate copolymer which can form semicompatible mixtures with the polycarbonate of the backing layer c), where a test specimen produced from a mixture composed of 20% by weight of (meth)acrylate copolymer and 80% by weight of polycarbonate has a tensile strain at break of at least 75% (ISO 527-2) at 23° C.

Abstract: The invention relates to a redispersible powder obtainable by (co)polymerization, using a polymer with cationic functionality in an aqueous medium, optionally accompanied by the use of conventional additives, the polymer with cationic functionality being obtained by (co)polymerization in an aqueous medium of olefinically unsaturated (co)monomers, wherein at least one (co)monomer has a cationic functionality, further (co)monomers are added and polymerization takes place in the presence of suitable initiators, and by drying the aqueous dispersion obtained, the (co)polymerizate having one or more reactive groups. According to another embodiment, the polymer with cationic functionality is formed in situ in the presence of a seed. According to another embodiment, the process is controlled in such a way that a (co)polymerizate particle with heterogeneous morphology is formed. The invention also relates to the aqueous dispersions, a process for the preparation of the redispersible powder and the use thereof.

Abstract: A method of making a fluoropolymer dispersion by first providing a fluoropolymer dispersion comprising fluoropolymer particles and one or more fluorinated surfactants selected from fluorinated carboxylic acids or salts thereof having the general formula: [Rf—O-L-COO?]iXi+??(I) wherein L represents a linear partially or fully fluorinated alkylene group or an aliphatic hydrocarbon group, Rf represents a linear partially or fully fluorinated aliphatic group or a linear partially or fully fluorinated aliphatic group interrupted with one or more oxygen atoms, Xi+ represents a cation having the valence i and i is 1, 2 or 3; then adding one or more non-fluorinated surfactants selected from anionic and non-ionic surfactants followed by reducing the total amount of the one or more fluorinated surfactants to an amount of not more than 500 ppm, for example not more than 250 ppm based on the total weight of the dispersion while maintaining or increasing the amount of solids in the dispersion.

Abstract: A process for reducing fluorosurfactant content of a stabilized fluorosurfactant-containing aqueous fluoropolymer dispersion comprising contacting the stabilized fluorosurfactant-containing aqueous fluoropolymer dispersion with an anion exchange resin comprising a polymer and quaternary ammonium functional groups to reduce fluorosurfactant content, the functional groups being resistant to degradation which releases trialkylamines. The anion exchange resin is separated from the dispersion after the fluorosurfactant content has been reduced.

Abstract: A latex of a chloroprene polymer formed from one or more monomers comprising 2-chloro-1,3-butadiene as the main monomer ingredient, characterized in that the solid matter in the polymer latex has a gel content less than 3 mass %, the solid matter in the polymer latex includes a tetrahydrofuran-soluble component having a weight-average molecular weight of from 550,000 to 1,100,000 and a molecular-weight distribution (Mw/Mn) of from 2.0 to 3.1, and the dried solid matter in the polymer latex has a crystallization rate (R) represented by hardness increase at ?10° C. (R is the time required for initial hardness (time=0) to increase by 30 points at ?10° C. as measured according to JIS-K6301) less than 60 minutes. The chloroprene polymer latex has an excellent balance among initial bond strength, contact adhesion, and water resistance. This latex is useful as an adhesive and can be used in applications where heat resistance of 60° C. or higher, initial bond strength, and contact adhesion are required.

Abstract: A process to disperse organic microparticles/nanoparticles into non-aqueous resin medium is provided. The process includes the steps of a) preparing a resin dispersion/emulsion in water and/or solvent where the resin contains unsaturation in the polymer chain and optionally comprises an ethylenically unsaturated monomer; b) curing the resin dispersion/emulsion by adding monomer and/or initiator; and c) adding the cured dispersion/emulsion during a synthesis step of a resin medium. The amount of organic microparticles/nanoparticles in the resin medium can be about 2 to about 30% by weight based on the total weight of the composition.

Abstract: The invention relates to a method for producing an aqueous polymer dispersion having a polymer solids content of ?50% by weight by carrying out the radically initiated aqueous emulsion polymerization of ethylenically unsaturated compounds (monomers). The inventive method is characterized in that: a) a mixture is provided in a polymerization vessel and contains a partial quantity 1 consisting of: deionized water, 0.001 to 0.5 parts by weight of a polymer with a weighted average particle diameter of ?100 nm; 0.0001 to 0.1 parts by weight of dispersants, and 0.5 to 10 parts by weight of monomers, and the monomers are polymerized with a conversion of ?80% [polymerization step A], and; b) afterwards, a monomer emulsion containing partial quantity 2, which consists of deionized water, 0.1 to 5 parts by weight of dispersants and 90 to 99.

Abstract: This invention relates to an aqueous based process for the preparation of intercalated and/or exfoliated natural or synthetic clays using block copolymers in latex form containing at least one non-polar block and one or more cationic blocks, wherein the block copolymers are prepared by an emulsion controlled free radical polymerization method.

Abstract: A stabilized aqueous fluoropolymer dispersion comprising: about 30 to about 70 weight % non-melt-processible fluoropolymer particles having an SSG of less than about 2.225, said fluoropolymer particles comprising a core of high molecular weight polytetrafluoroethylene and a shell of lower molecular weight polytetrafluoroethylene or modified polytetrafluoroethylene; and about 2 to about 11 weight % of aliphatic alcohol ethoxylate nonionic surfactant based on the weight of said fluoropolymer, wherein said dispersion is essentially free of surfactants containing aromatic groups and contains less than 300 ppm of fluorosurfactant based on the weight of said dispersion.

Abstract: The current invention relates to water-swellable polymers at least partially comprised of sulfonic acid group containing monomers as additives for fire extinguishing water, which exhibits an elevated NaCl content, used in fire prevention and to combat fire.

Abstract: A process for producing an emulsion pressure-sensitive adhesive includes (co)polymerizing a main monomer in the presence of a protective colloid, the protective colloid being an acrylic copolymer including (A-1) at least one hydrophilic monomer selected from the group consisting of acrylamide, methacrylamide, hydroxyethyl acrylate and hydroxyethyl methacrylate and (B-1) an alkyl (meth)acrylate that is copolymerizable with the hydrophilic monomer (A-1) and whose alkyl group has 4 to 18 carbon atoms, or (A-2) a hydrophilic monomer being acrylic acid and/or methacrylic acid and (B-2) an alkyl (meth)acrylate that is copolymerizable with the hydrophilic monomer (A-2) and whose alkyl group has 4 to 9 carbon atoms; the hydrophilic monomer and the alkyl (meth)acrylate being copolymerized in a weight ratio in the range of 40-70:60-30; the acrylic copolymer having a weight-average molecular weight in the range of 500 to 50000.

Abstract: The invention describes a novel impact modifier, built up from core-shell1- and shell 2, the core being capable of plastic deformation. Good mechanical properties were achieved using a small amount of impact modifier.

Abstract: Provided is a PSA sheet with low toluene and total volatile organic compound (TVOC) emissions as well as low unpleasant odor level felt by users. The PSA sheet comprises a PSA layer formed of a PSA composition comprising an acrylic polymer emulsion and a tackifier resin emulsion; the toluene and TVOC emissions are at most 20 ?g and at most 150 ?g, respectively; in a sensory test, 90% of participants evaluate that the unpleasantness of odors emitted from the PSA sheet is less than that of toluene at a prescribed concentration.

Abstract: A process for making an aqueous dispersion is provided. More specifically, a process for making an aqueous dispersion having at least two polymeric components is provided.

Abstract: The invention relates to a multilayered film comprising at least one upper layer a), a middle layer b) made of (meth)acrylate copolymer, and a supporting layer c) made of polycarbonate. Upper layer a) contains a light-stability agent and is made of a (meth)acrylate copolymer that, together with the polycarbonate of supporting layer c), can form partially compatible mixtures. A test piece, which is made from a mixture consisting of 20% by weight of (meth)acrylate copolymer and 80% by weight of polycarbonate, has a breaking elongation (ISO 527-2) of at least 75% at 23° C. The middle layer b) contains a colorant and, optionally, a light-stability agent and is made from an identical or different (meth)acrylate copolymer that, together with the polycarbonate of supporting layer c), can form partially compatible mixtures.

Abstract: The present invention is directed to a novel high temperature polymerization process operating at high pressures for producing a polymer. The process includes conveying hybrid reactor mixtures, which include one or more hybrid reactor monomers and one or more hybrid reactor initiators to one or more hybrid reactors. The hybrid reactors are maintained at effective hybrid polymerization temperatures and sub-reflux polymerization gage pressures to cause polymerization of a portion of the hybrid reactor monomers into the polymer. The process further includes conveying hybrid reactor contents from the hybrid reactors to one or more batch reactors maintained at effective batch polymerization temperatures and reflux polymerization pressures to cause polymerization of a remaining portion of the hybrid reactor monomers into the polymer. The hybrid reactors are smaller in volume than the batch reactors.

Abstract: An emulsion comprising a dispersoid dispersed in water together with an emulsifier, wherein the dispersoid is an olefin copolymer containing a structural unit derived from ethylene, linear ?-olefin, or ethylene and linear ?-olefin, and a structural unit derived from the following vinyl compound (I), or an olefin copolymer modified material obtained by further graft-polymerizing unsaturated carboxylic acids to the olefin copolymer, and the volume-based median diameter of the dispersoid contained in the emulsion is 0.01 to 1 ?m. CH2?CH—R??(I) (wherein, R in the vinyl compound (I) represents a secondary alkyl group, tertiary alkyl group or alicyclic hydrocarbon group.).

Abstract: The invention relates to a pH-sensitive polymer which is a (meth)acrylate copolymer composed of 20 to 65% by weight acrylic and/or methacrylic acid units and 80 to 35% by weight units of C1- to C18-alkyl esters of (meth)acrylic acid, characterized in that it has a molecular weight in the range from 1 000 to 50 000 g/mol, and brings about at least 60% haemolysis at pH 5.5, and less than 5% haemolysis at pH 7.4, in a concentration of 150 ?g/ml in a cytotoxicity test with human red blood cells. The invention further relates to the use of the pH-sensitive polymer as carrier for pharmaceutically effective biomolecules or active pharmaceutical ingredients and as ingredient of corresponding dosage forms.

Abstract: The invention provides a process for preparing polymeric beads of complexing resin incorporating magnetic particles, which process comprises: producing a dispersion having a continuous aqueous phase and a dispersed organic phase, said organic phase comprising one or more polymerisable monomers, magnetic particles and a dispersing agent for dispersing said magnetic particles in the organic phase; polymerising said one or more polymerisable monomers to form polymeric beads incorporating said magnetic particles, wherein said polymeric beads include amine groups capable of complexing a transition metal cation, or wherein said polymeric beads are reacted with one or more compounds to provide amine groups capable of complexing a transition metal cation, complexing resins prepared by this process, and polymeric beads of complexing resin comprising a polymer matrix having magnetic particles dispersed substantially uniformly therein, wherein the polymer matrix incorporates amine groups capable of complexing a transiti

Abstract: A method for containing at least a portion of radioisotopes, radionuclides, heavy metal or combination thereof contaminating a substrate wherein a containment composition is applied to the substrate. The ingredients within the containment composition interact with the contaminants on the surface of the substrate until the containment composition has polymerized to a water insoluble form containing at least a portion of the contaminates enmeshed therein. The dried composition is removed from the contaminated surface removing with the composition at least a portion of the contaminate.

Abstract: Polymerized drug delivery devices are described. Additionally, methods are described for producing and for using polymerized particles for use as drug delivery devices.

Abstract: Stabilization of aqueous resinous dispersions containing a pigment of a divalent metal such as strontium chromate is disclosed. Stabilization is achieved by incorporating a chelating agent in the dispersion.

Abstract: A polychloroprene latex is provided with excellent adhesive strength, particularly for an EVA material, by dissolving an ethylene/vinyl acetate copolymer in a chloroprene monomer alone or in a mixture of a chloroprene monomer and a monomer copolymerizable with chloroprene to prepare a monomer solution, which is emulsified and dispersed in an aqueous solution containing an emulsifier and/or a dispersant, followed by polymerization to produce a polychloroprene latex. The obtained polychloroprene latex can provide improved adhesive strength particularly for an EVA material.