Abstract: The present specification relates to a polymer including a first unit represented by Chemical Formula 1; a second unit represented by Chemical Formula 2; and a third unit represented by Chemical Formula 3 or 4, and an organic solar cell including the polymer in a photoactive layer.

Abstract: In one or more embodiments, the present invention is directed to poly(propylene fumarate) polymers and polymer structures made therefrom (and related methods) that have been end and/or monomer functionalized to add functional groups for post-polymerization modification with bioactive materials or other functional species, preferably through one of many facile “click” reactions. In some embodiments, end-group functionalization is accomplished via a functionalized initiating alcohol used during polymerization. In some embodiments, functionalization of these poly(propylene fumarate) polymers is accomplished via the functionalization of the propylene oxide monomer precursors, which then form functionalized side-chains on the resulting poly(propylene fumarate) polymers.

Abstract: Disclosed are graft copolymers, compositions including graft copolymers, intermediate materials, and related methods, where the graft copolymer includes a first polymer component including a 1,1-disubstituted-1-alkene compound (preferably a methylene malonate compound) and is grafted to a second component. The resulting graft copolymer may be hydrophilic or water soluble. The second component preferably is a hydrophilic component.

Abstract: The present invention relates to absorbable block copolymers with improved characteristics including thermal stability, molecular weight consistency, inherent viscosity retention following melt extrusion, and fibers made from the polymers exhibit increased strength.

Abstract: The invention relates to a pharmaceutical agent for the complexation of iron. The pharmaceutical agent includes an initiator group, a polymer and a terminal group R7, and has the structure: initiator group-polymer-R7. The pharmaceutical agent further includes one or more functional hydroxamic acid groups of the type —(C?O)NHOH or —(C?O)NCH3OH.

Abstract: The present invention relates to the preparation of novel sulphur-containing polyamides from renewable sources, and methods for producing the same. The production method involves the preparation of sulphur-containing functional monomers, which can subsequently undergo polycondensation to from either AB- or AABB-type sulphur-containing polyamides. Furthermore, these novel polyamides display superior water barrier/adsorption, better retention of physical properties at elevated temperature (?Tg) and easier processability and polyolefin-compatibility than conventional polyamides. Potential applications for these novel polyamides include high-end electronic devices, organic light-emitting diode devices, components for charge-coupled devices (CCDs) and image sensors (CISs), films and coatings, food packaging films, furniture, appliances, sports equipment, consumer goods, wire and cable, and automotive components.

Abstract: A complex that includes a metal fine particle dispersant including a branched polymer compound having an ammonium group and having a weight average molecular weight of 500 to 5,000,000; and a metal fine particle, wherein the metal fine particle includes platinum (Pt) or palladium (Pd), the metal fine particle dispersant includes a branched polymer compound of Formula (1):

Abstract: One embodiment may provide a polyamide-imide film which is colorless and transparent while having an adequate level of solubility and excellent mechanical properties, the polyamide-imide film comprising a polyamide-imide polymer formed by polymerizing an aromatic diamine compound, an aromatic dianhydride compound and a dicarbonyl compound, wherein, for a square cross-section of 1 cm×1 cm and a thickness of 30 um to 100 mm, the polyamide-imide film has a dissolution time of 5-60 minutes in 10 ml of dimethylacetamide (DMAc), and for a thickness of 50 mm, the polyamide-imide film has a yellowness of at most 5, a haze of at most 2%, a permeability of at least 85% and a modulus of at least 5.0 GPa.

Abstract: The present invention relates to a method for producing a polybenzazole polymer (P) by reacting a reaction mixture (RG) comprising at least one aromatic dicarboxylic compound of the general formula (I), at least one aromatic diamino compound of the general formula (IIa), (IIb), (IIc) and/or (IId) and also at least one ionic liquid (IL). The present invention also relates to the polybenzazole polymer (P), which is obtainable by the method according to the invention, and also to the use of the polybenzazole polymer (P), for example as fiber material.

Abstract: Linear organopolysiloxanes of the structure M-(T-M)n-M are prepared by reaction of lithium and/or sodium silanolates with chlorosilanes. The products contain at least two groups selected from silicon-bonded hydrogen and aliphatically unsaturated groups.

Abstract: A coating that maintains favorable water-repelling and stain-proofing properties is provided. A photopolymerizable coating composition includes a component (a): a urethane (meth)acrylate and a component (b): photopolymerizable (meth)acrylic compounds, as photopolymerizable components, wherein the component (b) includes a component (b1): a photopolymerizable acrylic compound having a structural unit derived from a fluorosilsesquioxane derivative represented by the following Formula (1); a component (b2): a fluorine surfactant, and a component (b3): a photopolymerizable acrylic compound having no urethane units and having no fluorine atoms.

Abstract: An amphiphilic polymer, an amphiphilic polymer manufacturing method, a contact lens material including the amphiphilic polymer, and contact lens manufacturing method are provided. The amphiphilic polymer includes poly(dimethylsiloxane) and amphiphilic chitosan bonded to the same. The contact lens material includes the amphiphilic polymer. The amphiphilic polymer manufacturing method includes providing a poly(dimethylsiloxane), providing an amphiphilic chitosan, and bonding the amphiphilic chitosan to the poly(dimethylsiloxane).

Abstract: The invention relates to polyesters of the following general formula, wherein the residues R1, R2, R3, R4, R5a (as a special case of residue R5), R6, R7 and R8 are free of carboxy, hydroxy, thiol, imino, and primary and secondary amino groups, the residues R5b (as a special case of R5) and R9 contain hydroxyl groups, 10 to 100 mol % of which can be present in salt form analogously to polymers or otherwise capped, u=0 or 1, v=1 to 60 and w=1 to 20. The invention further relates to wetting agents and dispersants that contain the aforementioned polyesters or consist thereof and to a method for producing said wetting agents and dispersants, to the use of the polyesters and reaction products of the method according to the invention as wetting agents and dispersants, and to compositions containing the polyesters, wetting agents and/or dispersants or reaction products of the method according to the invention and particulate solids.

Abstract: Described is a triblock copolymer of the formula ABC wherein B is a hydrogenated vinyl aromatic block having a Tg of ?110° C. and comprising 30-90 wt. % of the copolymer; C is a rubbery block having a Tg?25° C. and comprising 10-70 wt. % of the copolymer; and A is an block derived from ring-opening polymerization, substantially incompatible with both B and C blocks.

Abstract: This invention concerns a novel method to produce thermosets such as epoxies and polyurethanes comprising nano-cellulose. The method comprises contacting primarily water-bourne dispersed nano-cellulose with liquid thermoset precursors, specifically epoxy or amine in the case of epoxies, or glycols or similar in the case of polyurethanes. Nano-cellulose transfers to the organic phase, and water is removed at temperatures below 100° C. Thereafter the organic phase comprising nano-cellulose can be mixed with the reactive counterpart to yield nano-composites with improved properties. The products can be used for composite articles, coatings, adhesives, sealants, and other end-uses. Preferred embodiments are described in detail.

Abstract: A type of composite material where the matrix material and additive are held together by covalently or non-covalently bound ligands is described. A particularly useful composite material covered by the present invention is a carbon nanotube-reinforced composite material where the matrix consists of a polymer, covalently attached to a linker, where said linker is non-covalently attached to the carbon nanotube. Methods for the preparation of such composite materials are provided.

Abstract: Provided is a composite material including carbon fibers having a weight average fiber length of 1 mm or more and 100 mm or less and a thermoplastic resin. The composite material satisfies K1?1.5×K2 and exhibits excellent conformability during a stretching step in press molding; and a press molded body production method using said composite material. K1 represents the inclination of an approximate straight line of linear approximation on the plot in the range of 35% strain or more, obtained by strain sweep tests from 0% to 100% on the composite material at a temperature of 270° C., a shear of 100 rad/sec, and a normal load of 2 N, plotting, both in logarithmic scales, the values of strain % versus the values of complex viscosity coefficient Pa·sec. K2 represents the inclination of an approximate straight line of linear approximation on the plot in the range of less than 35% strain.

Abstract: Various embodiments disclosed relate to a composition. The present invention includes a polycarbonate component and a carbon fiber component including an activated surface. An interface can be formed between the polycarbonate component and the carbon fiber component.

Abstract: In a first aspect, a transparent fluoropolymer film includes, a vinyl fluoride polymer, 2 to 8 wt % of an acrylate polymer, and 0.1 to 4 wt % of a triazine UV absorber. After heating at 100° C. for 96 hours, the transparent fluoropolymer film has a 340 nm absorbance of at least 1.5. In a second aspect, a transparent multilayer film includes a polymeric substrate film and a fluoropolymer film. The fluoropolymer film includes a vinyl fluoride polymer, 2 to 8 wt % of an acrylate polymer and 0.1 to 4 wt % of a triazine UV absorber. After heating at 100° C. for 96 hours, the transparent fluoropolymer film has a 340 nm absorbance of at least 1.5.

Abstract: An embodiment can provide a polyamide-imide film, which has particular punching properties, is colorless and transparent and has excellent mechanical properties and optical properties, and a method for preparing same. The polyamide-imide film comprises a polyamide-imide polymer, which is formed by means of polymerizing an aromatic diamine compound, an aromatic dianhydride compound and a dicarbonyl compound, and satisfies the condition of general formula (1) below. General formula (1) 4?X/Y?12 X: the maximum hole diameter (mm) comprising cracks when the film is punched at 10 mm/min using a 2.5 mm spherical tip by means of a UTM compression mode Y: the modulus (GPa) of the film.

Abstract: A prepreg includes; sizing agent-coated carbon fibers coated with a sizing agent; and a thermosetting resin composition impregnated into the sizing agent-coated carbon fibers. The sizing agent includes an aliphatic epoxy compound (A) and an aromatic compound (B) at least containing an aromatic epoxy compound (B1). The thermosetting resin composition includes a thermosetting resin (D) and a latent hardener (E), and optionally includes an additive (F) other than the thermosetting resin (D) and the latent hardener (E). The (a)/(b) ratio is within a predetermined range where (a) is the height of a component at a binding energy assigned to CHx, C—C, and C?C and (b) is the height of a component at a binding energy assigned to C—) in a C1s core spectrum of the surfaces of the sizing agent-coated carbon fibers analyzed by X-ray photoelectron spectroscopy.

Abstract: The present process is directed to a solvent-free process of expanding expandable polymeric hollow, fluid-filled microspheres.

Abstract: Nanoporous three-dimensional networks of polyurethane particles, e.g., polyurethane aerogels, and methods of preparation are presented herein. Such nanoporous networks may include polyurethane particles made up of linked polyisocyanate and polyol monomers. In some cases, greater than about 95% of the linkages between the polyisocyanate monomers and the polyol monomers are urethane linkages. To prepare such networks, a mixture including polyisocyanate monomers (e.g., diisocyanates, triisocyanates), polyol monomers (diols, triols), and a solvent is provided. The polyisocyanate and polyol monomers may be aliphatic or aromatic. A polyurethane catalyst is added to the mixture causing formation of linkages between the polyisocyanate monomers and the polyol monomers. Phase separation of particles from the reaction medium can be controlled to enable formation of polyurethane networks with desirable nanomorphologies, specific surface area, and mechanical properties.

Abstract: The invention relates to a polyol displaying specific properties which allow it to be identified accessibly as a recycled polyol, particularly as a recycled polyol obtained from a new specific recycling process.

Abstract: The present invention relates to a plasticizer composition which comprises one or more aliphatic dicarboxylic esters of the general formula (I) and one or more diesters of the general formula (II), selected from 1,2-cyclohexanedicarboxylic esters and terephthalic esters, and also to molding compositions which comprise a thermoplastic polymer or an elastomer and one such plasticizer composition, and to the use of these plasticizer compositions and molding compositions.

Abstract: An additive mixture containing (A) at least one compound of the formula (I) wherein R1 and R2 independently of one another are hydrogen, C1-C22alkyl, —O—, —OH, —CH2CN, C1-C18alkoxy, C2-C18alkoxy substituted by —OH; C5-C12cycloalkoxy, C3-C6alkenyl, C3-C6alkenyloxy, C7-C9phenylalkyl unsubstituted or substituted on the phenyl by 1, 2 or 3 C1-C4alkyl; or C1-C8acyl; and R3 and R4 independently of one another are C1-C22alkyl or a group of the formula (Ia) wherein R0 has one of the meanings of R1 and R2, and (B) at least one anti-scratch additive.

Abstract: The invention relates to an alkoxysilane polysulfide, of formula (I): (R3O)3-n(R1)nSi—CH2—(R2)CH—Z—Sx—Z—HC(R2)—CH2—Si(R1)n(OR3)3-n??(I), in which: R1, which are identical or different, each represent a monovalent hydrocarbon group having from 1 to 18 carbon atoms; R2, which are identical or different, each represent a monovalent hydrocarbon group having from 1 to 4 carbon atoms; R3, which are identical or different, each represent a monovalent hydrocarbon group having from 1 to 12 carbon atoms, preferably from 1 to 6 carbon atoms; Z, which are identical or different, each represent a divalent hydrocarbon bonding group comprising from 1 to 16 carbon atoms; x is an integral or fractional number greater than or equal to 2; and n is an integer equal to 0, 1 or 2.

Abstract: This invention falls within the scope of insulation materials, more particularly of compounds intended for optimizing the adhesion on the insulation of wires used in cars. It is the object of this invention a formulation which comprises, in percentage by weight of the components relative to the total weight of the composition, 10% to 40% of a polyolefin, 40% to 60% of a mineral filler, 1% to 4% of an antioxidant, 1 to 2% of an organosilane, 0.5 to 2.5% of an organic peroxide and 0.1 to 0.5% of erucamide. Additionally, it is also an object of this invention a product obtained by mixing the said formulation and subsequent crosslinking of the same. This formulation allows a compound to be obtained, which complies with the required standards, as well as controls and improves the adhesiveness of the insulating material to the conducting wire, this representing an important aspect on the wiring process.

Abstract: An injection molded article comprising a thin-walled body portion formed from a polymer-based resin derived from cellulose, wherein the thin-walled body portion comprises: i. a gate position; ii. a last fill position; iii. a flow length to wall thickness ratio greater than or equal to 100, wherein the flow length is measured from the gate position to the last fill position; and iv. a wall thickness less than or equal to about 2 mm; and wherein the polymer-based resin has an HDT or at least 95° C., a bio-derived content of at least 20 wt %, and a spiral flow length of at least 3.0 cm, when the polymer-based resin is molded with a spiral flow mold with the conditions of a barrel temperature of 238° C., a melt temperature of 246° C., a molding pressure of 13.8 MPa, a mold thickness of 0.8 mm, and a mold width of 12.7 mm.

Abstract: A cellulose ester composition is provided comprising at least one cellulose ester and at least one ethylene vinyl acetate copolymer and optionally at least one plasticizer. Processes for producing the cellulose ester compositions as well as articles made using these compositions, such as eyeglass frames, automotive parts, and toys are also provided.

Abstract: The purpose of the present invention is to provide a sheet in which generation of cracks is suppressed when it is bent. The present invention relates to a sheet comprising pulp-derived cellulose fibers having a fiber width of 1000 nm or less and a polyvinyl alcohol-based resin, wherein the sheet has a tensile strength of 15 MPa or more.

Abstract: The present invention provides a pneumatic tire and a rubber composition for tires, which have improved durability at high temperatures and during high-speed running while ensuring good ice performance. The present invention relates to a pneumatic tire, including a tread, the tread including blocks having an average ripe density of 1.0 cm/cm2 or higher and an average height of 0.6 to 2.0 cm, the blocks containing a rubber composition having a tan ? at 100° C. of 0.179 or less as determined at an initial strain of 10%, a dynamic strain of 2%, and a frequency of 10 Hz, and has a ratio of the modulus at 100° C. to the modulus at room temperature of 69% or greater as determined in accordance with JIS K6251:2010.

Abstract: A rubber composition including 100 parts by mass of a diene rubber containing natural rubber, and blended with from 40 to 80 parts by mass of carbon black, cobalt neodecanoate borate represented by the following Chemical Formula (1), a phenolic resin, a curing agent, sulfur, and a vulcanization accelerator, wherein the carbon black has DBP oil absorption of from 50×10?5 to 80×10?5 m3/kg, and iodine adsorption of from 100 to 150 g/kg, and a vulcanized rubber has characteristics of a dynamic storage modulus (E?) at a dynamic strain of 2% and at 20° C. of 8 MPa or more, a tangent loss (tan ?) at 60° C. of 0.20 or less, and the number of times of repetition until fracture is caused in a constant strain fatigue test at a strain of 60% and at 400 rpm of 45,000 or more.

Abstract: There is provided a rubber composition which is obtained by combining an appropriate liquid rubber with a blend system of rubbers having low compatibility that is compatible with advances in image forming devices, and which has excellent processability and is unlikely to cause contamination and the like of a photoreceptor, has favorable characteristics as a rubber, and can form a roller main body of a conductive roller and a conductive roller having a roller main body constituted by the rubber composition. In the rubber composition, 3 to 30 parts by mass of fillers are added to rubbers including an epichlorohydrin rubber, E-SBR, and 3 to 15 parts by mass of LIR. A conductive roller includes a roller main body constituted by the rubber composition.

Abstract: The present invention relates to a tire comprising a rubber composition based on at least a reinforcing filler, a polymer comprising conjugated diene functions and a system for crosslinking the polymer. The system for crosslinking the polymer comprises a polydienophile of general formula (I): According to formula (I), A represents a covalent bond or a hydrocarbon-based group comprising at least 1 carbon atom, which is optionally substituted and optionally interrupted by one or more heteroatoms, and R1, R2, R3 and R4 independently represent identical or different groups chosen from the hydrogen atom and hydrocarbon-based groups, R1 and R2 on the one hand and R3 and R4 on the other hand possibly forming, together with the carbon atoms of the ring to which they are attached, a ring.

Abstract: A thermoplastic molding composition can be used for metal plating, in particular for electroplating, comprising the components A) to C): A) 20 to 55 wt. % of at least one graft rubber copolymer (A) B) 20 to 55 wt. % of at least one rubber free SAN copolymer, and C) 25 to 34% by weight of at least one aromatic polycarbonate; the metal-plated polymer composition can be used for automotive applications.

Abstract: A carboxyl group-containing acrylic rubber composition comprising (A) carboxyl group-containing acrylic rubber, (B) 1,4-diazabicyclo[2.2.2]octane, (D) a crosslinking agent for carboxyl group-containing acrylic rubber, and (E) a guanidine-based, thiuram-based, or thiourea-based crosslinking accelerator. The carboxyl group-containing acrylic rubber composition can form an acrylic rubber layer having excellent bonding strength to a fluororubber layer by crosslinking bonding a fluororubber composition. The carboxyl group-containing acrylic rubber composition may further comprise (C) a primary amine represented by the general formula RNH2, wherein R is an aliphatic hydrocarbon group having 1 to 30 carbon atoms, thereby increasing interlaminar bonding force.

Abstract: The present invention relates to a bimodal polyethylene composition comprising a low molecular weight polyethylene homopolymer fraction and high molecular weight polyethylene copolymer fraction having a C4 to C10 ?-olefin comonomer content of 0.25 to 3% mol with respect to the total monomer comprised in the high molecular weight polyethylene comonomer fraction, wherein the content of the low molecular weight polyethylene is from 50 to 60 wt % with respect to the total weight of the bimodal polyethylene composition; and the bimodal polyethylene composition has a soluble fraction according to Temperature Rising Elution Fractionation in 1,2,4-trichlorobenzene with 300 ppm of butylated hydroxytoluene at 150° C. of less than 6 wt %; and a pipe comprising the same.

Abstract: A polymer composition comprising: (a) from 50% by volume to 99% by volume, preferably from 70% by volume to 95% by volume, of at least one homopolymer or copolymer of ethylene; (b) from 1% by volume to 50% by volume, preferably from 5% by volume to 30% by volume, of at least two fillers having different thermal conductivity; (c) from 100 ppm to 4000 ppm, preferably from 200 ppm to 3500 ppm of at least one fluoropolymer; the sum of (a)+(b) being 100. Said polymer composition can be used as a phase change material (PCM), in particular for thermal energy storage (TES), more in particular for the storage of solar energy.

Abstract: The present invention relates to an article comprising a textured polymer surface for receiving a liquid, wherein the textured surface has an average surface roughness (Ra) in the range between 5 to 100 ?m.

Abstract: The present invention discloses a rubber composition, a processing method thereof, and rubber product reinforced with silica using the same. The rubber composition comprises a rubber matrix and essential components, wherein, based on 100 parts by weight of the rubber matrix, the rubber matrix comprises, a branched polyethylene with a content represented as A, in which 0<A?100, and an EPM and an EPDM with a total content represented as B, in which 0?B<100; and the essential components comprise 1-10 parts of a crosslinking agent and 15-80 parts of silica. The rubber composition can be used for producing high-voltage insulating sheath rubber, high-temperature resistant conveyor belt, waterproof coil, rubber particles for plastic track surface layer, rubber plug, rubber roller, inner tube, tire tread, tire sidewall, and inner rubber layer of air-conditioner hose.

Abstract: The present invention discloses a rubber composition, a processing method thereof, and an aging resistant rubber product using the rubber composition. The rubber composition comprises a rubber matrix and essential components, wherein, based on 100 parts by weight of the rubber matrix, the rubber matrix comprises a branched polyethylene with a content represented as A, in which 0<A?100 parts, and an EPM and an EPDM with a content represented as B, in which 0<B?100 parts; and the essential components comprise 1.5-10 parts of a crosslinking agent, 30-200 parts of a reinforcing filler, and 5-250 parts of a plasticizer. The rubber composition provided by present invention has good processability and can be used for producing rubber products with high aging resistance and compression set resistance.

Abstract: Embodiments of the present disclosure are directed ethylene/alpha-olefin interpolymer compositions including a polyethylene and an alpha-olefin comonomer, where the polyethylene is from 70 wt % to 100 wt % of the interpolymer composition based on a total weight of the interpolymer composition and the interpolymer composition is characterized by a Comonomer Distribution Constant (CDC) in a range of from 100 to 500, a vinyl unsaturation of less than 0.15 vinyls per one thousand total carbon atoms present in the interpolymer composition, a zero shear viscosity ratio (ZSVR) in a range from 1.5 to 5, a density in a range of from 0.903 to 0.950 g/cm3, a melt index (I2) in a range of from 0.1 to 15 g/10 minutes, a molecular weight distribution (Mw/Mn) in a range of from 1.8 to 4.5, and a separation index of from 0.50 to 1.10.

Abstract: A moisture curable polymer formulation comprising a (hydrolyzable silyl group)-functional polyolefin prepolymer, an acidic condensation catalyst, and a secondary diarylamine. A method of making the formulation; a moisture-cured polyolefin composition prepared therefrom; a manufactured article comprising or made from the formulation; and a method of using the manufactured article.

Abstract: A formulation of a poly(propylene-co-ethylene) elastomer copolymer and a poly(ethylene-co-1-octene) block copolymer; a method of making the formulation; a manufactured article comprising or made from the formulation; and a method of using the manufactured article.

Abstract: The present invention discloses a rubber composition, and use of the rubber composition. The rubber composition comprises, in parts by weight, 100 parts of a rubber matrix, 1.5-9 parts of a crosslinking agent, and 5-60 parts of a staple fiber, and further comprises 0.3-15 parts of an auxiliary crosslinking agent, 3-25 parts of a metal oxide, 3-90 parts of a plasticizer, 30-100 parts of a reinforcing filler, 1-3 parts of a stabilizer, and 3-20 parts of a metal salt of an unsaturated carboxylic acid. The rubber matrix comprises, based on 100 parts by weight of the rubber matrix, a branched polyethylene with a content represented as A, in which 0<A?100 parts, an EPM and an EPDM with a content represented as B, in which 0?B<100 parts.

Abstract: The present invention is related to an article comprising a substrate, having at least one propylene terpolymer comprising propylene derived units, one or more dienes, and an alpha-olefin content of less than about 35 wt % of the propylene terpolymer; and an adhesive composition, having about 20 to about 80 wt % of a polymer blend comprising a first propylene-based polymer, that is a homopolymer of propylene or a copolymer of propylene and ethylene or a C4 to C10 alpha-olefin, and a second propylene-based polymer, that is a homopolymer of propylene or a copolymer of propylene and ethylene or a C4 to C10 alpha-olefin; wherein the second propylene-based polymer is different than the first propylene-based polymer; and wherein the adhesive composition is applied to the substrate at temperature of less than about 150° C.

Abstract: A thermoplastic resin composition and a molded article produced using the same.

Abstract: A method for obtaining a photocatalytic polymer is provided. The method is carried out by mixing aluminium trihydroxide (ATH) and a photocatalytic particle in a polar solvent at a pH between 5 and 7 under stirring, adding silane or siloxane, stirring for a period of time of 100 min at a temperature between 30 and 50° C., extracting the solid phase being formed and drying for obtaining a photocatalytic additive, adding the photocatalytic additive to an acrylic or polyester resin and polymerizing. The method may be applied onto any type of polymer base, such as vinyl, fluoropolymers, polyamide, polycarbonates, polyethylene or epoxides. Another aspect of the invention is the photocatalytic additive being obtained. The resulting polymer shows catalytic homogeneity, operating the photocatalytic particles in all the surfaces of the material with the same activity.

Abstract: This invention relates to monodisperse magnetic hydrogel polymer particles comprising a magnetic material and a polymer formed from (a) a hydrophilic vinylic monomer having a log Poct/wat (log P) of less than about 0.5; and (b) a crosslinker comprising at least two vinyl groups. The invention also relates to monodisperse coated hydrogel polymer particles comprising a polymer formed from (a) a hydrophilic vinylic monomer having a log Poct/wat (log P) of less than about 0.5; and (b) a crosslinker comprising at least two vinyl groups; and a coating. Also provided are methods of forming the monodisperse magnetic hydrogel polymer particles and monodisperse coated polymer particles.