Abstract: Ink formulations suitable for deposition upon the intermediate transfer member of an indirect printing system and for transfer therefrom to a substrate. The inks are aqueous inkjet inks comprising an organic polymeric resin and a colorant. Ink film constructions including a plurality of continuous ink films fixedly adhered to the printing substrate that can be obtained with these inks are also disclosed. The inks and the printed constructions are such that the ink films and the dried inks composing them have a first dynamic viscosity within a range of 106 cP to 5·107 cP at at least a first temperature within a first range of 60° C. to 87.5° C., and a second dynamic viscosity of at least 6·107 cP, for at least a second temperature within a second range of 50° C. to 55° C.

Abstract: Ink formulations suitable for deposition upon the intermediate transfer member of an indirect printing system and for transfer therefrom to a substrate. The inks are aqueous inkjet inks comprising an organic polymeric resin and a colorant. Ink film constructions including a plurality of continuous ink films fixedly adhered to the printing substrate that can be obtained with these inks are also disclosed. The inks and the printed constructions are such that the ink films and the dried inks composing them have a first dynamic viscosity within a range of 106 cP to 5·107 cP at at least a first temperature within a first range of 60° C. to 87.5° C., and a second dynamic viscosity of at least 6·107 cP, for at least a second temperature within a second range of 50° C. to 55° C.

Abstract: A rubber composition is based on at least: a copolymer A, with a content of greater than or equal to 50 phr, said copolymer A being a copolymer based on at least one ethylene monomer and on at least one vinyl acetate monomer a reinforcing inorganic filler as agent for coupling between said copolymer A and said reinforcing inorganic filler, a copolymer B different from said copolymer A, said copolymer B being a copolymer based on at least one alpha-olefin monomer and on at least one functional monomer Y; and a peroxide crosslinking system. This composition is especially intended for the manufacture of semi-finished products for tires or for the manufacture of tires.

Abstract: A process for preparing an aqueous polymer dispersion, the process including forming a copolymer A from at least one ?,?-monoethylenically unsaturated C3 to C6 monocarboxylic acid (monomers A1) and at least one other monoethylenically unsaturated compound (monomers A2); reacting the copolymer A with a metal compound M in an aqueous medium; and conducting free-radical polymerization of at least one ethylenically unsaturated compound (monomer P) in the presence of the copolymer A in an aqueous medium.

Abstract: The present invention relates to an ethylene copolymer obtained by radical polymerisation through a high-pressure process comprising (i) ?78.0 and ?99.99 mole % of recurring units derived from ethylene; (it) ?0.01 and ?22.0 mole % of recurring units derived from comonomer A according to Formula (I), wherein R1 is composed of a saturated aliphatic moiety comprising 5-40 carbon atoms or R1 is composed of a saturated aliphatic moiety and consists of hydrogen atoms and 5-40 carbon atoms; R2 is selected from —H or —CH3; R3 is selected from —O—, —(CO)—(NH)— or —(CO)—O—; n=0 or 1 The ethylene copolymers have a reduced peak melting temperature and reduced enthalpy of fusion, indicating that these ethylene copolymers have a reduced degree of crystallinity and improved clarity, combined with a desired melt mass-flow rate.

Abstract: To provide a powder coating material excellent in blocking resistance and capable of forming a coating film excellent in color tone and weather resistance in which the occurrence of color unevenness is suppressed, a method for its production, and a coated article having a coating film formed from the powder coating material. The powder coating material comprises a resin powder, a luster pigment and a binder, wherein the resin powder contains a fluororesin and a non-fluororesin, the binder contains a surfactant having a melting point of at least 25° C., and the luster pigment is bonded to the particle surfaces of the resin powder via the binder.

Abstract: The present invention provides a method for preparing an olefin polymer which can exhibit excellent isotacticity in a high yield and thus is suitable for use in reinforcing a long fiber, and a long fiber comprising an olefin polymer produced according to the above preparation method. In the preparation method, there can be provided an olefin polymer having excellent isotacticity in a high yield can be obtained by using a supported catalyst in which a transition metal compound having a specific structure is supported on a carrier together with two kinds of cocatalysts. In particular, the supported catalyst can exhibit high activity, excellent process stability and high hydrogen reactivity, thereby providing an olefin polymer having a high flow rate with a regular and excellent morphology. Such olefin polymer exhibits high processability while having excellent mechanical properties such as a tensile strength and a flexural strength, and thus are very useful as long fiber reinforced resins.

Abstract: An article of footwear may have an upper and a sole structure secured to the upper. The upper includes a base layer, a plurality of strand segments, and a deposition layer. The base layer has a first surface and an opposite second surface. The strand segments are located adjacent to the first surface and extend substantially parallel to the first surface for a distance of at least five centimeters. The deposition layer is deposited upon the first surface and the strand segments, and the deposition layer is joined with the first surface and the strand segments. The deposition layer is applied using a screen printing process. Different inks can be used during the screen printing process to form the deposition layer and an indicia layer.

Abstract: A composition for pattern formation includes a block copolymer that includes a block represented by formula (I) and a block represented by formula (II). R1 and R3 each independently represent a hydrogen atom, a methyl group, a fluorine atom or a trifluoromethyl group. R2 represents a monovalent organic group. R4 represents a hydrocarbon group having a valency of (1+b) and having 1 to 5 carbon atoms. R5 represents a monovalent group having a hetero atom. m and n are each independently an integer of 10 to 5,000. a is an integer of 0 to 5. b is an integer of 1 to 3.

Abstract: Methods for applying a liner-free, or liner-less label, to a substrate, particularly glass or plastic (e.g., PET) substrates are described herein. The method includes applying an adhesive composition, such as a polymeric coating, to a label face sheet, activating the adhesive composition with an activating fluid, and contacting the label to the substrate. The activating fluid is preferably a mixture of water and one or more organic solvents, such as low molecular weight alcohols. In some embodiments, the labels exhibit a percent fiber tear greater than about 50, 55, 60, 65, 70, 75, 80, 85, 90, or 95% after one, two, three, four, or five minutes. In particular embodiments, the labels exhibits a percent fiber tear greater than 60, 65, 70, 75, 80, 85, 90, or 95% after two minutes.

Abstract: A process for the preparation of a printed wiring board that can prevent generation of crack and warpage is provided. A process for the preparation of a printed wiring board, comprising a step of forming a curable resin layer and a non-curable resin layer sequentially on a surface of a substrate; a step of forming depressions in the non-curable resin layer and the curable resin layer from the non-curable resin layer side; a step of applying a catalyst for plating to a surface of the non-curable resin layer and surfaces of the depressions; a step of removing the non-curable resin layer and the catalyst for plating provided on the surface of the non-curable resin layer; and a step of electroless plating the surfaces of the depressions.

Abstract: Embodiments of the invention disclose a method for preparing an aqueous nano-pigment dispersion. The method comprises mixing 2.5 wt %˜40 wt % styrene with polymerization inhibitors removed by evaporation, 2.5 wt %˜20 wt % acrylate monomer, 0.25 wt %˜5 wt % crosslinking monomer, 0.05 wt %˜0.5 wt % emulsification adjuvant, and 0.05 wt %˜0.5 wt % oil soluble initiator, adding 0.25 wt %˜2.5 wt % organic pigments to be dispersed to form an oil phase solution after dissolution; dissolving 0.05 wt %˜2 wt % emulsifier and 0.

Abstract: An undercoat agent used for phase separating a layer containing a block copolymer having a block of a structural unit derived from an (?-substituted) acrylate ester on a substrate, and which contains a resin component including a structural unit represented by formula (ba0-1), and/or a structural unit represented by formula (ba0-2), and a structural unit (ba0-3) having a substrate interacting group, wherein R represents a hydrogen atom, an alkyl group of 1 to 5 carbon atoms or a halogenated alkyl group of 1 to 5 carbon atoms, R1 and R2 represent a halogen atom or an organic group of 1 to 20 carbon atoms which may contain an oxygen atom, a halogen atom, or a silicon atom, and n is 1 to 5.

Abstract: This invention relates to the preparation and purification of high-X (“chi”) diblock copolymers. Such copolymers contain two segments (“blocks”) of polymers with significantly different interaction parameters and can be used in directed self-assembly applications.

Abstract: The invention provides a process for manufacturing a polymeric material having a compositional gradient, comprising: forming a mixture comprising a first photopolymerizable polymer precursor and a second photopolymerizable precursor, and subjecting said mixture to an intensity gradient of electromagnetic radiation, wherein said first precursor has a greater reactivity ratio than said second precursor, and/or said first precursor is mono-functional and said second precursor is di-functional, and/or said first precursor is less inhibited by oxygen than said second precursor.

Abstract: An illustrative DSA formulation disclosed herein includes a block copolymer material, a casting solvent and at least one plasticizer agent. An illustrative method disclosed herein includes depositing a liquid DSA formulation on a guide layer, performing a spin-coating process to form a DSA-based material layer comprised of the liquid DSA formulation above the guide layer, wherein the DSA-based material layer includes at least one plasticizing agent and, after performing the spin-coating process, performing at least one heating process on the DSA-based material layer while at least some of the plasticizing agent remains in the DSA-based material layer so as to enable phase separation of block copolymer materials.

Abstract: Disclosed herein is a thermoplastic (meth)acrylate copolymer, which includes a derivative unit obtained from a monomer mixture including: (A) an aromatic (meth)acrylate having an index of refraction from about 1.580 to about 1.700; and (B) a monofunctional unsaturated monomer.

Abstract: The present invention relates to a crosslinkable polymer composition, comprising (i) an unsaturated polyolefin having a total amount of carbon-carbon double bonds/1000 carbon atoms of more than 0.37, and (ii) a polar copolymer.

Abstract: Disclosed is a method for forming an aqueous dispersion of an ionomer composition comprising mixing a solid ionomer composition with water heated to a temperature from about 80 to about 90° C., the solid ionomer composition comprising an ethylene acid copolymer comprising about 18 to about 30 weight % of copolymerized units of acrylic acid or methacrylic acid, based on the total weight of the parent acid copolymer, the acid copolymer having a melt flow rate from about 200 to about 1000 g/10 min., wherein about 50% to about 70% of the total carboxylic acid groups of the copolymer are neutralized to carboxylic acid salts comprising sodium cations.

Abstract: A sorptive extraction layer for immobilized liquid extraction of target molecules preferably from biological samples is disclosed. The sorptive extraction layer is mainly composed of ethylene-acrylate-copolymer. Preferably, microplate wells are at least partially coated with such a sorptive extraction layer. There is also disclosed a method of extracting target molecules preferably from biological samples. According to this method, immobilized liquid extraction is carried out with a sorptive extraction layer which is mainly composed of ethylene-acrylate-copolymer.

Abstract: An adhesive composition of the present invention contains, as a main composition, a polymer obtained by copolymerizing a monomer composition containing a monomer having a maleimide group, and further contains a thermal polymerization inhibitor. As a result, it is possible to provide an adhesive composition that allows forming an adhesive layer that is excellently dissolved after the adhesive layer has been subjected to a high-temperature process.

Abstract: The invention also relates to a method to increase stain resistance and penetration resistance of aqueous coating compositions which method comprises providing a coating composition which contain at least one pigment, at least one film-forming polymer in the form of an aqueous polymer dispersion and at least one anionic surfactant, wherein the anionic surfactant comprises at least 85% by weight, preferably at least 90% by weight, more preferably at least 95% by weight, based on the total weight of anionic surfactant in the coating composition, of at least one anionic surfactant S, which is selected from semi-esters of sulfuric acid or phosphoric acid with an alcohol, which alcohol carries at least one alkyl radical having from 8 to 30 carbon atoms or an alkyl substituted phenyl radical wherein alkyl has from 4 to 30 carbon atoms and which alcohol may carry an oligo-C2-C3-alkylene-ether group provided that the number of repeating units in the oligo-C2-C3-alkylene-ether group is at most 15, or a salt thereof.

Abstract: An adhesive composition of the present invention contains, as a main composition, a polymer obtained by copolymerizing a monomer composition containing a monomer having a maleimide group, and further contains a thermal polymerization inhibitor. As a result, it is possible to provide an adhesive composition that allows forming an adhesive layer that is excellently dissolved after the adhesive layer has been subjected to a high-temperature process.

Abstract: A non-crosslinking type adhesive composition for an optical film is provided that has excellent adhesion to a substrate, allows peeling to be carried out at a suitable peeling strength without leaving an adhesive residue, has excellent reworking properties, can maintain good adhesion properties for a long time, and has excellent durability. The adhesive composition for an optical film includes an acrylic triblock copolymer, which does not have an NCO functional group, and an isocyanate compound. The acrylic triblock copolymer (I), which is represented by the formula A1-B-A2, is formed by alkyl methacrylate polymer blocks A1 and A2 having a Tg of 100° C. or more and an alkyl acrylate polymer block B having a Tg of ?20° C. or less, wherein the content of the block B is 40 to 95 mass %, Mw is 50,000 to 300,000, and the molecular weight distribution is 1.0 to 1.5.

Abstract: Styrenic (meth)acrylic oligomers that are prepared at lower temperature than conventional solid grade oligomers, or are hydrogenated, contain fewer terminal vinylic unsaturations, when compared to such conventional styrenic (meth)acrylic oligomers prepared by the customary high temperature processes. Styrenic (meth)acrylic oligomers that contain fewer terminal vinylic unsaturations demonstrate improved thermal stability and may provide improved resistance to UV weathering compared to the conventional and non-hydrogenated styrenic (meth)acrylic oligomers.

Abstract: The present invention relates to coating material compositions comprising at least one polyhydroxyl group-containing compound (A), at least one polyisocyanate group-containing compound (B) having free and/or blocked isocyanate groups, and at least one catalyst (D) based on a zinc-amidine complex which is preparable by reaction of 1.0 moles of at least one zinc(II) biscarboxylate with 2.0 moles of at least one amidine where R5=hydrogen and R1, R2, R3, and R4 are each identical or different radicals, R1 and R3 being hydrogen or an alkyl radical or an aryl radical, and R2 and R4 being an alkyl radical or an aryl radical, characterized in that the coating material composition further comprises at least one monomeric aromatic, optionally substituted carboxylic acid (S) whose carboxyl group is in conjugation with a ?-electron system.

Abstract: A method is provided for making an annealed door skin or composite door assembly. At least the door skin is formed of a composition comprising a thermoset binder and fiberglass. The door skin, alone or in combination with other parts of a door assembly, is subjected to annealing to make the annealed door skin. The process of annealing comprises the step of heating the door skin, alone or in combination with other parts of the door assembly, above the glass transition temperature yet below the thermal degradation temperature of the thermoset binder for a sufficient amount of time to cause release internal stresses in the door skin, then the step of cooling the door skin.

Abstract: Disclosed is a composition comprising an ethylene elastomer and a solvent wherein the composition is a binder for a lithium ion battery; the elastomer comprises or is produced from repeat units derived from ethylene and one or more comonomer selected from the group consisting of an alky(meth)acrylate; and the elastomer comprises a curing agent. The elastomer can further comprise or can be further produced from repeat units derived from a second alky (meth)acrylate, 2-butene-1,4-dioic acid or its derivative, or both.

Abstract: A masterbatch including an ethylene copolymer and at least one ethylene comonomer having at least one polar group, an organic peroxide, and an anti-oxidant, the organic peroxide accounting for 0.2 to 100 parts by weight, for 100 parts by weight of the copolymer, and the anti-oxidant accounting for 0.02 to 50 parts by weight, for 100 parts by weight of the copolymer. Also, methods for preparing the masterbatch and to the uses of said masterbatch for manufacturing insulating layers for electric cables and for limiting or preventing the water tree phenomenon for electric cables.

Abstract: A modified toner based additive is a mixture of a toner powder and a second material selected from a group including a gelling clay, a reactive agent, an elastomer, a functional filler, a handling and agglomerating agent, a compatibilizer and mixtures thereof.

Abstract: Waterborne primer coating compositions are applied to sheet metal substrates and rapidly cured. The primer coating compositions contain water, a latex resin and corrosion-inhibiting particles. The primer coating compositions may be applied to the metal sheets and rapidly cured at a rolling mill, followed by coiling of the coated sheets.

Abstract: A method for producing an AB block copolymer with PDI is provided. The method comprises steps of: 1) reaction, in the presence of at least one free radical initiator, of a reaction mixture comprising a compound of formula (I), and 2) reaction, at a temperature of 45° C. or above, of a reaction mixture comprising an ethylenically unsaturated monomer B and, independent from that of step 1), a compound of formula (I) and the macroinitiator of step 1) in solvent(s) to obtain the AB block copolymer; wherein the weight ratio of the compound of formula (I) to the macroinitiator in step 2) is at least 1:1000.

Abstract: A binder composition for a secondary battery, and an anode and a lithium battery that include the binder composition are disclosed. The binder composition may include: first nanoparticles having a glass transition temperature of about 60° C. or greater and an average particle diameter of about 100 nm or less; and a first polymer binder having a glass transition temperature of about 20° C. or less.

Abstract: Substituted 3-oxopentanoates are disclosed that correspond to the following formula 1: in which R is hydrogen, or a methyl group; X is a straight-chain, branched, or cyclic alkyl or alkyl ether group having from 1 to 15 carbon atoms or aromatic group having from 6 to 15 carbon atoms; and Y1 and Y2 are independently hydrogen or an alkyl having 1 to 2 carbon atoms. Also disclosed are emulsion polymers, suspension polymers, and solution polymers that comprise residues from the substituted 3-oxopentanoate monomers, and that may also include one or more additional ethylenically unsaturated monomers. Also disclosed are coating compositions that include a latex emulsion polymer and the substituted 3-oxopentanoate monomer of formula 1 provided as a coalescent.

Abstract: Acetoacetate-functional monomers are disclosed that correspond to the following formula 1: in which R is hydrogen, or a methylgroup; X is a branched alkyl or a branched cyclic alkyl having from 5 to 8 carbon atoms; and Y1 and Y2 are independently hydrogen or methyl. Also disclosed are emulsion, suspension, and solution polymers comprising residues from the acetoacetate-functional monomer of formula 1 and one or more additional ethylenically unsaturated monomers. Self-curing coating compositions are likewise disclosed that comprise the acetoacetate-functional monomer of formula 1, and optionally one or more additional ethylenically unsaturated monomers. Latex formulations are also disclosed that comprise a polymer having residues from the acetoacetate-functional monomer of formula 1 dispersed in an evaporable aqueous carrier.

Abstract: The invention relates to an adhesive composition, including: 10 to 95% of a moisture cross-linkable polymer (A), the main chain includes 2 silyl terminal groupings, each of which includes at least one hydrolyzable group bonded to the silicon atom; 1 to 60% of a mineral filler (B) in the form of particles having a size of between 1 nm and 0.2 mm; and 0.2 to 7% of a crosslinking catalyst (C) consisting of titanium tetraisopropoxide. The invention also relates to the use of said composition as glue for repair or attachment.

Abstract: A crosslinkable rubber composition comprising 0.2 to 10 parts by weight of an aromatic secondary amine-based anti-aging agent and 0.5 to 20 parts by weight of a polyamine-based crosslinking agent with respect to 100 parts by weight of a nitrile rubber including an ?,?-ethylenically unsaturated nitrile unit and an ?,?-ethylenically unsaturated dicarboxylic acid monoester unit, and with iodine value of 120 or less. The present invention can provide a crosslinkable rubber composition, providable of a cross-linked rubber excellent in a variety of properties such as mechanical strength and small in compression set, and a cross-linked rubber obtained by cross-linking the rubber composition.

Abstract: Methods for applying a liner-free, or liner-less label, to a substrate, particularly glass or plastic (e.g., PET) substrates are described herein. The method includes applying an adhesive composition, such as a polymeric coating, to a label face sheet, activating the adhesive composition with an activating fluid, and contacting the label to the substrate. The activating fluid is preferably a mixture of water and one or more organic solvents, such as low molecular weight alcohols. In some embodiments, the labels exhibit a percent fiber tear greater than about 50, 55, 60, 65, 70, 75, 80, 85, 90, or 95% after one, two, three, four, or five minutes. In particular embodiments, the labels exhibits a percent fiber tear greater than 60, 65, 70, 75, 80, 85, 90, or 95% after two minutes.

Abstract: A stain blocking water borne coating composition is disclosed, said composition comprising (a) a styrene acrylic resin and, (b) a substituted styrene acrylate copolymer, wherein, by weight, said styrene acrylic resin is provided in excess of said substituted styrene acrylate copolymer. A method is also disclosed whereby this water-borne coating composition is applied to a substrate comprising water extractable staining agents, such as a tannin-containing open grain natural wood.

Abstract: The present invention provides aqueous binder compositions comprising one or more polyol and a multistage copolymer, preferably, an all acrylic and allylic or all acrylic copolymer, having as the outermost stage a polymerized acid functional aqueous solution polymer and as the one or more remaining stage(s) a vinyl emulsion polymer, wherein the emulsion polymer stage(s) in the multistage copolymer comprises 5 wt. % or less of hydrophilic monomer, based on the total weight of monomers used to make the emulsion polymer stage(s). The multistage copolymer enables incorporation of a much higher amount of hydrophilic monomer into a polymeric binder without the attendant handling or viscosity problems. Also provided are methods of using the aqueous binder compositions comprising pultruding two or more non-woven fibers or a fiber roving with the aqueous binder composition, and drying, Articles comprising the bound fiber(s) are provided.

Abstract: A thermoplastic elastomer compound of an acrylic-containing styrenic block copolymer and plasticizer oil have been found to be capable of sintering at a temperature ranging from about 180 C to about 200 C when the copolymer and the oil are in no more than a 2:1 weight ratio. The compound can be used in rotomolding or slush-molding equipment to make plastic articles having elastomeric properties.

Abstract: A method of manufacturing a wood product including using a water and wax mixture with wood particles in a production process of wood products, wherein the wax mixture includes a hydrocarbon wax, and a water-repellant material selected from the group consisting of (a) an asphaltite, (b) a polyolefin copolymer, (c) a polyolefin synthetic wax, and (d) combinations thereof, and forming a wood product.

Abstract: Disclosed herein is a block copolymer comprising a first block derived from a vinyl aromatic monomer; and a second block derived from an acrylate monomer; where a chi parameter that measures interactions between the first block and the second block is greater than or equal to about 0.05, when measured at 240° C. Disclosed herein too is a method comprising polymerizing a vinyl aromatic monomer to form a first block; and polymerizing a second block onto the first block to form a block copolymer; where the second block is derived by polymerizing an acrylate monomer; and where the block copolymer has a chi parameter of greater than or equal to about 0.05, when measured at 240° C.; where the chi parameter is a measure of interactions between the first block and the second block.

Abstract: The present invention describes methods for preparing a pigment particle dispersion. Specifically, a premix composition including pigments, dispersants and a liquid carrier is milled by a solid milling agent to predetermined particle size. The solid milling agent is solubilized in the liquid carrier which eliminates the need for separating the solid milling agent from the dispersion.

Abstract: The invention relates to a method for producing thermoplastic molding compounds, comprising: A) 40 to 99 wt % of at least one thermoplastic polymer, B) 1 to 60 wt % of a flame-proofing agent component containing an expandable graphite, and C) 0 to 60 wt % of further additives, by melt-mixing components A), B) and C) in a screw-type extruder, wherein the screw-type extruder, along the feed direction, comprises, in the following order, at least one dosing zone, a plastifying zone, a homogenizing zone, a second dosing zone, and a discharge zone, in that the dosing takes place into the screw-type extruder having the length L, wherein the length L is defined as the section starting with the first dosing unit for adding components A, B and/or C and ending, in the feed direction, at the discharge opening, a melt is generated after adding components A, B and C in the range of 0 liter to 0.

Abstract: An undercoat agent which is used for phase separating a layer including a block copolymer having a plurality of blocks bonded formed on a substrate, wherein the undercoat agent contains a resin component, the resin component includes a structural unit having an aromatic ring and a structural unit having no aromatic ring, and the resin component includes a group which can interact with the substrate and does not include a 3 to 7-membered, ether-containing cyclic group; and a method of forming a pattern of a layer containing a block copolymer, including: a step (1) in which the undercoat agent is applied to a substrate to form a layer containing the undercoat agent; a step (2) in which a layer containing a block copolymer having a plurality of blocks bonded is formed on a surface of the layer containing the undercoat agent, followed by a phase separation of the layer containing the block copolymer; and a step (3) in which a phase containing at least one block of the plurality of blocks constituting the block co

Abstract: A method is described for the production of a dispersion, especially a coating or sealing compound, having a viscosity of less than about 30,000 mPas, whose viscosity increases to more than 50,000 mPas or that becomes firm as a result of its application, whereby a shear-thickening additive is added to a precursor composition of the dispersion at a shear rate that does not activate the shear-thickening additive. Consequently, it is possible to formulate dispersions, especially sealing and/or coating compounds, in such a way that they have a low viscosity for storage and processing, and only at the time of the use of the dispersion is the final viscosity set by suitable equipment.

Abstract: The present invention relates to a method for treating a block copolymer solution, wherein the method comprises: providing a solution comprising a block copolymer in a non aqueous solvent; and, treating the solution to remove metals using an ion exchange resin. The invention also relates to a method of forming patterns using the treated block copolymer.

Abstract: An etch-resistant composition is provided. The etch-resistant composition comprises a polymer and a first organic solvent. The polymer is prepared by copolymerizing a polymerization unit comprising styrene-based monomer(s) and acrylate-based monomer(s), and has a weight average molecular weight of at least about 35,000. Based on the total weight of the etch-resistant composition, the amount of the polymer is about 20.0 to about 60.0 wt % and the amount of the solvent is about 40.0 to about 80.0 wt %. The etch-resistant composition can be used for preparing a selective emitter of a solar cell.

Abstract: There is provided a display particles including: a copolymer having a repeating unit corresponding to a vinyl compound represented by the following Formula (1) and a repeating unit corresponding to a compound with a polar group and an ethylenically unsaturated bond: Ar?H2C?CH2)n??Formula (1) wherein Ar represents an unsubstituted aromatic ring or an aromatic ring substituted with an alkyl group having from 1 to 6 carbon atoms or an aryl group having from 6 to 12 carbon atoms, and n represents an integer of from 1 to 4.