Abstract: The purpose of the present invention is to provide an acrylic resin composition that is a raw material for an acrylic resin film which has an excellent appearance and in which occurrence of blocking is suppressed. The present invention is an acrylic resin composition that comprising an acrylic polymer (A), an anti-blocking agent (B), and a non-crosslinked acrylic polymer (C). The non-crosslinked acrylic polymer (C) is a polymer of a monomer component including 50% to 100% by mass of methyl methacrylate (c1), the polymer having a reduced viscosity of 0.2 to 2 L/g.

Abstract: Disclosed is a liquid-crystal display device comprising a polarizing plate comprising a polarizing element and a thermoplastic-resin film which comprises a lactone ring-having polymer and satisfies the following formulas (I) and (II): (I) 0=|Re(630)|=10, and |Rth(630)|=25 (II) |Re(400)?Re(700)|=10, and |Rth(400)?Rth(700)|=35 wherein Re(?) means retardation (nm) in plane at a wavelength ? nm; and Re(?) means retardation (nm) along the thickness direction at a wavelength ? nm.

Abstract: Disclosed is a liquid-crystal display device comprising a polarizing plate comprising a polarizing element and a thermoplastic-resin film which comprises a lactone ring-having polymer and satisfies the following formulas (I) and (II): (I) 0=|Re(630)|=10, and |Rth(630)|=25 (II) |Re(400)?Re(700)|=10, and |Rth(400)?Rth(700)|=35 wherein Re(?) means retardation (nm) in plane at a wavelength ? nm; and Re(?) means retardation (nm) along the thickness direction at a wavelength ? nm.

Abstract: Conventionally, a photocurable resin can be used for forming a soft cured product but is difficult to have thick film curability and exhibit moisture resistance. A photocurable composition containing components (A) to (D), in which a ratio of a (meth)acrylate monomer having an aromatic group in the component (C) is 30 to 100%: the component (A): an isoprene polymer having a (meth)acrylic group, the component (B): an isoprene polymer having a hydroxyl group, the component (C): at least one kind of (meth)acrylate monomers selected from a (meth)acrylate monomer having an aromatic group and an alkyl (meth)acrylate monomer, and the component (D): a hydrogenated terpene resin.

Abstract: It is an object of the invention to provide a chloroprene rubber-based polymer latex that has a good balance between initial adhesion and storage stability and is suitable for one-component aqueous adhesive applications. The invention relates to a chloroprene rubber-based polymer latex composition containing a mixture of a chloroprene rubber-based polymer latex and a latex of an acrylic or styrene-acrylic resin-based polymer obtained by copolymerization of a specific carboxyl group-containing unsaturated monomer, in which the specific carboxyl group is neutralized with an alkali.

Abstract: A resin composition for laser engraving that comprises (Component A) a resin that is a plastomer at 20° C., (Component B) a polymerizable compound, and (Component C) a polymerization initiator, wherein Component A has a constitutional repeating unit having an acid group, and the content of the constitutional repeating unit having an acid group is 0.01 to 15 mass % relative to a total mass of Component A. A flexographic printing plate precursor that has a relief-forming layer formed of the resin composition for laser engraving on a support, and a flexographic printing plate precursor that has a crosslinked relief-forming layer obtained by crosslinking a relief-forming layer formed of the resin composition for laser engraving by heat and/or light.

Abstract: A polymerizable composition is disclosed wherein the polymerizable composition includes a first component selected from the group composed of compounds produced by an ester exchange reaction between a hydrogenated polyolefin polyol and an acrylic acid ester, compounds produced by an ester exchange reaction between a hydrogenated polyolefin polyol and a methacrylic acid ester, compounds produced by a dehydration condensation reaction between a hydrogenated polyolefin polyol and an acrylic acid, and compounds produced by a dehydration condensation reaction between a hydrogenated polyolefin polyol and a methacrylic acid, a second component selected from the group composed of compounds containing a hydrocarbon group with a carbon number more than or equal to 6 and an acryloyl group and compounds containing a hydrocarbon group with a carbon number more than or equal to 6 and a methacryloyl group, and a third component selected from the group composed of photopolymerization initiators.

Abstract: A sheet contains AEM and ACM, and the AEM and the ACM are integrally bonded together. A backbone monomer of the AEM is formed of ethylene methyl acrylate, and a crosslinking monomer of the AEM has a carboxyl group. A backbone monomer of the ACM is formed of at least one of ethyl acrylate, butyl acrylate, and methoxy ethyl acrylate, and a crosslinking monomer of the ACM has a carboxyl group, an epoxy group, or an active chlorine group.

Abstract: A composition for making a cast, thermoformable sheet or slab having a matte surface comprising a syrup comprising about 90% SSI—acrylic pre-polymerized syrup at 20% solids; and about 4-10% particles of about 10-15 microns in diameter of a copolymer of methyl methacrylate and ethylene glycol dimethacrylate or such particles of barium sulfate, calcium carbonate and/or silica. A method for producing a they article having a matte surface comprising mixing a syrup comprising about 90% SSI—acrylic pre-polymerized syrup at 20% solids; and about 4-10% particles of about 10-15 microns in diameter of a copolymer of methyl methacrylate and ethylene glycol dimethacrylate or such particles of barium sulfate, calcium carbonate and/or silica; heating the syrup; casting the syrup into a sheet; and thermoforming the cast sheet against a mold.

Abstract: An optical film contains an acrylic resin, in which at least one of a modulus of elongation on a machine direction and a modulus of elongation on a direction vertical to the machine direction is less than 2.3×109 N/m2 and an in-plane retardation value Re (nm) of the optical film represented by the following formula (i) satisfies the following formula (ia): Re=(nx?ny)×d??Formula (i) ?Re=Re(10)?Re(0)?10??Formula (ia) wherein, in the formulae, nx represents a refractive index in an in-plane slow axis direction of the optical film, ny represents a refractive index in an in-plane fast axis direction of the optical film, d represents a thickness (nm) of the optical film, Re(10) represents a retardation value when the optical film is stretched 10%, and Re(0) represents a retardation value in an unstretched state of the optical film.

Abstract: There is provided an optical film including an acrylic resin, wherein a tensile elastic modulus in a machine direction, which are abbreviated as EMD, and a tensile elastic modulus in a direction perpendicular to the machine direction, which is abbreviated as ETD, satisfy the relationship of Equation (1): EMD/ETD<0.8??Equation (1).

Abstract: Conventionally, a photocurable resin can be used for forming a soft cured product but is difficult to have thick film curability and exhibit moisture resistance. A photocurable composition containing components (A) to (D), in which a ratio of a (meth)acrylate monomer having an aromatic group in the component (C) is 30 to 100%: the component (A): an isoprene polymer having a (meth)acrylic group, the component (B): an isoprene polymer having a hydroxyl group, the component (C): at least one kind of (meth)acrylate monomers selected from a (meth)acrylate monomer having an aromatic group and an alkyl (meth)acrylate monomer, and the component (D): a hydrogenated terpene resin.

Abstract: The present disclosure provides a resinous material for covering electric wire having all required properties meeting or exceeding a certain standard, produced using a cyclic olefin-derived resin, and electric wires manufactured using the resinous material for covering electric wire, and flame-retardant cables. The resinous material including (A) an olefin-derived resin, (B) an elastomer resin, (C) a cyclic olefin-derived resin having a glass transition point of from 120° C. to 170° C., and (D) a flame retardant, the resinous material having: a content of the component (D) of from 60 parts by mass to 150 parts by mass relative to 100 parts by mass of the total contents of the components (A), (B) and (C); a tensile elongation of no less than 250%; and a heat deformation of no greater than 40%.

Abstract: A rubbery polymer comprising: (a) butyl acrylate or a mixture of butyl acrylate and 2-ethylhexyl acrylate, (b) at least one member selected from the group consisting of methyl methacrylate, ethyl methacrylate, methyl acrylate, and ethyl acrylate, (c) acrylonitrile, (d) styrene, (e) a half ester maleate soap, and (f) a crosslinking agent selected from allyl methacrylate, and mixtures of allyl methacrylate with glycidyl methacrylate, trimethylolpropanetrimethyl acrylate, dicyclopentenyloxyethyl methacrylate and divinylbenzene.

Abstract: Presently described are coating compositions comprising a polymerizable resin composition and a non-ionic unpolymerizable surfactant. In some embodiments, the coating comprises greater than 10 wt-% of non-ionic unpolymerizable surfactant. In other embodiments, the coating composition comprises an an additive comprising a silicone group or a fluorinated group and a hydrophobic group. Also described are articles comprising the cured coating compositions. In one embodiment, an article is described comprising a cured coating wherein the cured coating exhibits a property of an initially visible simulated fingerprint reducing in visibility in 1-20 minutes. Also described is a method of determining the fingerprint visibility of a coating composition and a polyacylate composition useful as an additive. In another embodiment a coated surface is described comprising a polymeric organic material comprising a plurality of pores wherein a portion of the pores are interconnected and comprise a lipophilic liquid.

Abstract: A halogenated polymer containing a functionalized polymer and optionally a blowing agent.

Abstract: A polymer composition comprising star macromolecules is provided. Each star macromolecule has a core and five or more arms, wherein the number of arms within a star macromolecule varies across the composition of star molecules. The arms on a star are covalently attached to the core of the star; each arm comprises one or more (co)polymer segments; and at least one arm and/or at least one segment exhibits a different solubility from at least one other arm or one other segment, respectively, in a reference liquid of interest.

Abstract: A polymer composition comprising star macromolecules is provided. Each star macromolecule has a core and five or more arms, wherein the number of arms within a star macromolecule varies across the composition of star molecules. The arms on a star are covalently attached to the core of the star; each arm comprises one or more (co)polymer segments; and at least one arm and/or at least one segment exhibits a different solubility from at least one other arm or one other segment, respectively, in a reference liquid of interest.

Abstract: An adhesive composition is disclosed that comprises acrylic adhesive particles having an average diameter of 10 to 100 micrometers obtained by suspension polymerization of an acrylic monomer mixture which comprises a branched C 14-22 alkyl group containing (meth)acrylate and a polar monomer. The adhesive composition may be applied to an adhesive dressing or patch. The adhesive has excellent water vapor permeability, excellent adhesion to skin with low skin irritation when applied, less adhesive residue after peeling, and less keratin damage. The adhesive does not cause wetness or peeling from sweat while being worn.

Abstract: Methods of evaluating birefringence of an adhesive agent, and of designing and producing an adhesive agent using the evaluation method, as well as adhesive agents produced using these methods. A polarizing plate and a liquid crystal display device using the obtained adhesive agent are proposed, as well as methods for producing the same.

Abstract: An ink jet ink containing a coloring material and a polymer particle, wherein the polymer particle has a core portion and a shell portion, the shell portion contains a copolymer A having a unit derived from a compound (a1) represented by a general formula (1) of R1—(C2H4O)n—R2 where R1 is at least one selected from a vinyl group, an allyl group, an acryloyl group and a methacryloyl group, R2 is a hydrogen atom or an alkyl group, and n is 30-100, and a unit derived from an ?,?-unsaturated hydrophobic compound (a2), a proportion of the unit derived from the compound (a1) to the copolymer A is 50-90% by mass or less, a proportion of the unit derived from the compound (a2) to the copolymer A is 10-50% by mass or less, and the core portion contains a polymer of an ?,?-unsaturated hydrophobic compound (b).

Abstract: A process is provided for preparing polymer composites from compositions comprising i) a polyolefin, ii) a polymer selected from the group consisting of polymers having hydroxyl groups and polymers having amino groups and iii) a polar ethylene copolymer having copolymerized units selected from the group consisting of C4-C8 unsaturated anhydrides, monoesters of C4-C8 unsaturated acids having at least two carboxylic acid groups, diesters of C4-C8 unsaturated acids having at least two carboxylic acid groups and mixtures thereof. The process is suitable for use with recycle streams that contain polymeric materials that are laminates or composites of dissimilar polymers.

Abstract: Disclosed is an optical planar thermoplastic resin composition including a lactone ring-containing polymer as a main component thereof, or including a lactone ring-containing polymer and at least one other thermoplastic resin. The optical planar thermoplastic resin composition of the present invention has high transparency, high heat resistance, and high optical isotropy, and therefore, can sufficiently exhibit characteristics according to various optical applications.

Abstract: Aqueous adhesive containing, based on solid contents, ?20 to 80% by weight of an (meth)acrylic copolymer (A) as dispersion in water, ?10 to 50% by weight of a resin (B), ?5 to 30% by weight of a reaction product (C) of i) 20 to 50% based on dispersion (C) of an (meth)acrylic copolymer having an acidic number of 1-100 mg KOH/g in form of a dispersion, ii) 5 to 40% based on dispersion (C) of at least one sugar alcohol with a MN of 100 to 600 g/mol, and reacting the mixture in alkaline solution for 0.1 to 6 hours, and 0.1 to 30% by weight of one or more auxiliaries (D) wherein the sum A to D adds to 100%.

Abstract: A photosensitive resin composition includes: a copolymer obtained by subjecting a conjugated diene polymer having a (meth)acryloyl group, a conjugated diene monomer, and a (meth)acrylic acid monomer to copolymerization; a compound having at least one ethylenically unsaturated group; and a photoinitiator. The copolymer contains 60 wt % to 99 wt % of a copolymer fraction having a molecular weight ranging from 30,000 to 900,000, and 1 wt % to 22 wt % of a copolymer fraction having a molecular weight ranging from 1,000 to 10,000 when calculated from an integral molecular weight distribution curve obtained by plotting cumulative weight percentage versus molecular weight falling within a range between 1,000 and 1,000,000 measured by gel permeation chromatography.

Abstract: A preferably pulverulent dispersing agent comprising as the component having a dispersing action the combination of (a) at least one representative of polycarboxylate ethers with a weight content of from 0.1 to 20%, (b) at least one representative of polycarboxylate esters with a weight content of from 0 to 20% and (c) at least one representative of non-charged copolymers with a weight content of from 0.1 to 20%, which is accessible by co-spray drying the individual components and which is suitable for controlling the flowability of aqueous chemical construction suspensions is claimed. By the dispersing agents which form in situ according to the invention, a controllable subsequent dosing of dispersing agent can be achieved without an additional process step.

Abstract: A method for forming a functionalized latex polymer includes polymerizing a heterogeneous dispersion of water insoluble monomers in water, thereby forming a latex polymer. An at least partially water soluble halogenated non-ionic group is reacted with the latex polymer, whereby a halogen is displaced from the non-ionic group, thereby forming an at least partially water soluble non-ionic group that attaches to the latex polymer.

Abstract: A thermosetting composition comprising (1) a resinous binder having hydroxyl groups and carboxylic ester groups, and (2) phosphotungstic acid.

Abstract: A polymerizable composition comprising a syrup composition (?) and a polymerization initiator (?), wherein the syrup composition (?) contains a copolymer (C) and at least one (meth)acrylate selected from a di(meth)acrylate (A) represented by the general formula (1) and a mono(meth)acrylate (B), wherein the copolymer (C) is obtained by polymerization of a monomer mixture containing 1 to 60 wt % of the di(meth) acrylate (A) represented by the following general formula (1): CH2?CR1—COO—(X)—COCR1?CH2 (1) (wherein, (X) represents at least one residue selected from a polyalkylene glycol, a polyester diol and a polycarbonate diol having a number-average molecular weight of 500 or more, and R1 represents H or CH3) and 40 to 99 wt % of the mono(meth)acrylate (B); and an acrylic resin film 1 having flexibility and high transparency obtained by polymerizing and curing the polymerizable composition.

Abstract: A multi-stage emulsion processing aid polymer comprising one or more functionalized ethylenically unsaturated monomer into the emulsion polymerization reactor, wherein the functionality is selected from the group consisting of ?-keto esters, ?-keto amides, ?-diketones, cyanoacetic esters, malonates, nitroalkanes, ?-nitro esters, sulfonazides, thiols, thiol-s-triazines, and amine, where the functionality is incorporated into polymers by polymerizing, ethylenically unsaturated monomers containing these functionalities or by post functionalization of a polymer with additional reactions after polymerization in one of the first or second stages. Foamable halogenated polymers comprising the multi-stage emulsion processing aid polymer is also provided. Also provided are methods for making the multi-stage emulsion processing aid polymer and foamable halogenated polymers.

Abstract: A polymer composition comprising star macromolecules is provided. Each star macromolecule has a core and five or more arms, wherein the number of arms within a star macromolecule varies across the composition of star molecules. The arms on a star are covalently attached to the core of the star; each arm comprises one or more (co)polymer segments; and at least one arm and/or at least one segment exhibits a different solubility from at least one other arm or one other segment, respectively, in a reference liquid of interest.

Abstract: The present invention provides a radiation-curable adhesive composition comprising a base polymer that includes structural units derived from at least one monomer that has a polymerizable carbon-carbon double bond group selected from the group consisting of an acryloyl group and a methacryloyl group, the composition further comprises a group that contributes to the irradiation curing, the a group that contributes to the irradiation curing is the same as the polymerizable carbon-carbon double bond group, that enables simple performance of a peel operation from an adherend when using a lower irradiation amount and that minimizes the peel transfer contamination amount to the adherend.

Abstract: A polymer composition comprising star macromolecules is provided. Each star macromolecule has a core and five or more arms, wherein the number of arms within a star macromolecule varies across the composition of star molecules. The arms on a star are covalently attached to the core of the star; each arm comprises one or more (co)polymer segments; and at least one arm and/or at least one segment exhibits a different solubility from at least one other arm or one other segment, respectively, in a reference liquid of interest.

Abstract: The invention relates to a polymer of core-shell structure containing a core having at least one elastomeric polymer, with a glass transition temperature of less than 25° C., and a shell having at least one polymer, with a glass transition temperature of greater than 25° C., where at least one of the polymers includes (meth)acrylic acid ester monomers containing organic carbon derived from biomass. The present invention also relates to a process for preparing the core-shell polymers and to their use as impact additives, and to a composition containing them.

Abstract: A composition is described, encompassing a constituent selected from the group consisting of a modified resin acid (I), a fatty acid (II) and a mixture composed of a modified resin acid (I) and of a fatty acid (II), where the degree of neutralization of the constituent is from 104 to 165%. Its use for the production of microgels is also described.

Abstract: The present disclosure relates to compounds and medical devices activated with a solvophobic material functionalized with a first reactive member and methods of making such compounds and devices.

Abstract: An adhesive and a manufacture method thereof are provided. The adhesive is made by crosslinking a first polymer with a second polymer. The glass transition temperature of the first polymer is higher than the glass transition temperature of the second polymer. The first polymer and the second polymer are miscible in each other.

Abstract: A cement admixture object of the present invention can make slump-retaining ability excellent to retain fluidity and, at the same time, can realize a viscosity of cement compositions so that work becomes easy at a field handling them, can make the state of a cement composition better. The present invention relates to a cement admixture which comprises a polycarboxylic acid copolymer having a polyalkylene glycol side chain, said polycarboxylic acid copolymer being constituted of two or more species of copolymers with different acid values, and at least one of said two or more species of copolymers with different acid values having an oxyalkylene group containing 3 or more carbon atoms.

Abstract: The present invention relates to a pressure-sensitive adhesive composition including interpenetrating polymer networks in a cured state, wherein the composition comprise a multi-functional acrylate and a thermal initiator; a polarizer; and a liquid crystal display comprising the same. In the present invention, the pressure-sensitive adhesive composition may be provided, which can outstandingly prevent light leakage phenomenon, with having excellent physical properties such as endurance reliability under high temperature and/or high humidity conditions and workability. Especially, according to the present invention, the pressure-sensitive adhesive composition, polarizer and liquid crystal display are provided, which can outstandingly prevent light leakage phenomenon even in large-sized display devices.

Abstract: The present invention relates vulcanisable guanidine-free mixtures containing ethylene acrylate (AEM), polyacrylate (ACM) and/or hydrogenated acrylonitrile (HNBR)-based rubbers compounds having an improved scorch resistance, to vulcanisates, prepared by cross-linking this vulcanisable mixtures and their use in automotive, oil-field and/or off-shore applications.

Abstract: Ink receiving particles is provided. The ink receiving particles includes polymer particles, the polymer particles including a resin including an acidic group and a polyoxyethylene chain, the acidic group at least partially having a salt structure.

Abstract: The present invention provides a polymerizable composition that imparts excellent adhesive properties with respect to tooth structure (particularly dentin) when applied as a dental material, and provides a polymerizable monomer that is used as a component of the polymerizable composition. The present invention is a compound (A) that is a compound represented by the following formula (1): where G indicates a polymerizable group, m indicates an integer of 2 or more, n indicates an integer of 1 or more, and the sequence order of m units having a polymerizable group and n units having a hydroxyl group is arbitrary. The present invention also is a polymerizable composition containing the compound (A).

Abstract: A positive electrode for a non-aqueous electrolyte battery includes a positive electrode active material layer containing at least a positive electrode active material and a binder and a coating layer containing a polymer provided on the positive electrode active material layer, wherein the polymer has a block chain A composed of a random copolymer containing a repeating unit (I) represented by formula (I), a repeating unit (II) represented by formula (II), and a block chain B containing a repeating unit (III) represented by formula (III) wherein R1-R3, R4a, R4b, R5-R13 are as defined herein.

Abstract: A thermoplastic resin composition for a refrigerator according to the present invention can include (A) about 20 to about 40 parts by weight of an acrylonitrile-butadiene-styrene graft copolymer resin prepared by grafting in emulsion polymerization about 60 to about 30% by weight of a monomer mixture comprising a cyanide vinyl compound and an aromatic vinyl compound to about 40 to about 70% by weight of a rubber polymer having an average particle size of about 0.1 to about 0.4 ?m; (B) about 1 to about 20 parts by weight of a styrenic copolymer comprising (b1) about 0 to about 75% by weight of a styrenic copolymer prepared by copolymerizing about 5 to about 20% by weight of a rubber polymer having an average particle size of about 0.

Abstract: A composition having gas-barrier properties, which can produce a resin film having gas-barrier properties under high humidity conditions and high abrasion resistance, and a coating film formed by thermally treating a film-like product of the composition having gas-barrier properties and a method for producing the same are provided. A composition having gas-barrier properties, comprising a water-soluble polymer having hydroxyl group (A), a water-soluble polymer having carboxyl group (B), a metal alkoxide and/or a hydrolysis condensate thereof (C), and an esterification catalyst (E), such that the weight ratio of the component (A) and the component (B) is 97/3 to 3/97, and the component (C) is contained in an amount ranging from 1 part by weight to 400 parts by weight, while the component (E) is contained in an amount ranging from 0.

Abstract: According to an aspect of the present invention, a method is provided in which a double diphenylethylene compound is reacted with a polymer that contains a carbocationically terminated chain thereby providing a 1,1-diphenylene end-functionalized chain. Subsequently, an alkylating agent is reacted with the 1,1-diphenylene end-functionalized chain, thereby providing an alkylated 1,1-diphenylene end-functionalized chain. In some embodiments, the method further comprises (a) optionally combining a 1,1-diphenylorganolithium compound with the alkylated 1,1-diphenylene end-functionalized polymer followed by (b) reacting an organolithium compound with the alkylated 1,1-diphenylene end-functionalized polymer. This provides an anionically terminated polymer, which can be used, for example, in subsequent anionic polymerization and coupling reactions.

Abstract: The present invention relates to an acrylic pressure-sensitive adhesive composition, a polarizing plate and a liquid crystal display device, using the same. More specifically, the present invention relates to an acrylic pressure-sensitive adhesive composition having optimal stress releasing property which comprises an optically compensated acrylic copolymer (A) containing a cross-linkable functional group, an optically compensated acrylic copolymer (B) containing no cross-linkable functional group, and a multi-functional cross-linking agent (C). A polarizing plate and a liquid crystal display device comprising the pressure-sensitive adhesive composition meets with major properties such as adhesion endurance reliability, with effectively providing optical compensation effect and stress release effect, and has an effect of improving a light leakage phenomenon.

Abstract: A rubbery polymer comprising: (a) butyl acrylate or a mixture of butyl acrylate and 2-ethylhexyl acrylate, (b) at least one member selected from the group consisting of methyl methacrylate, ethyl methacrylate, methyl acrylate, and ethyl acrylate, (c) acrylonitrile, (d) styrene, (e) a half ester maleate soap, and (f) a crosslinking agent selected from allyl methacrylate, and mixtures of allyl methacrylate with glycidyl methacrylate, trimethylolpropanetrimethyl acrylate, dicyclopentenyloxyethyl methacrylate and divinylbenzene.

Abstract: Disclosed herein is a polyolefin-based thermoplastic polymer composition, in which an acrylate copolymer phase obtained by absorbing an alkyl acrylate monomer, an alkyl methacrylate monomer, a polar group-containing acrylate monomer and a polymerization initiator into a polyolefin matrix and then polymerizing the monomers is dispersed in a polyolefin phase. The thermoplastic polymer composition has excellent surface polarity leading to excellent paint adhesion.

Abstract: A polymer composition comprising star macromolecules is provided. Each star macromolecule has a core and five or more arms, wherein the number of arms within a star macromolecule varies across the composition of star molecules. The arms on a star are covalently attached to the core of the star; each arm comprises one or more (co)polymer segments; and at least one arm and/or at least one segment exhibits a different solubility from at least one other arm or one other segment, respectively, in a reference liquid of interest.