Abstract: A polyorganosiloxane hot melt adhesive composition includes a polyolefin-polydiorganosiloxane block copolymer, a polydiorganosiloxane, and a polyorganosilicate resin. The hot melt adhesive composition is useful in electronic device assembly processes.

Abstract: A method of preparing a thermoplastic polyurethane includes reacting specific amounts of a hydrogenated polydiene diol, a poly(alkylene oxide) diol, a chain extender, and a diisocyanate in the presence of a solvent. The thermoplastic polyurethane exhibits a desirable balance of tensile strength and tensile elongation. It is useful for fabricating foams, films, fibers, fabrics, coatings, adhesives, automotive instrument panels, power tool casings, casings for mobile electronic devices, sporting goods, clothing, footwear, gloves, condoms, and medical devices, among other articles.

Abstract: Provided is a triblock copolymer represented by General Formula (I): CNR-PEG-CNR??(1) or a polycation thereof, wherein each CNR is independently a polymer segment having a repeating unit containing as part of a pendant group a cyclic nitroxide radical that binds to the polymer main chain via a linking group having at least one imino group or ether bond, and PEG is a segment containing poly(ethylene glycol).

Abstract: Disclosed herein are particulate core-shell materials, comprising a core comprising a polyurethane; and a shell comprising a polyacrylate, wherein the shell coats the core. Also disclosed are methods of making particulate core-shell materials, and aqueous dispersions and inkjet ink compositions comprising the same.

Abstract: There is provided an antistatic agent that preserves its antistatic property for a long period of time and has the appearance and the transparency that are not impaired when kneaded into a resin, and a resin composition containing the antistatic agent. An antistatic agent including a block copolymer which is obtained from a reaction product of a polyolefin (a) having one end being acid-modified and a diol and/or a diamine (b) having a polyoxyalkylene chain, and in which a part or all of acid groups remaining in the reaction product is neutralized with an alkaline substance. A thermoplastic resin composition including the antistatic resin. A film or sheet including the thermoplastic resin composition.

Abstract: The present invention relates to oil-extended styrenic block copolymer compositions that include a thermoplastic polymer, such as polystyrene, and a styrenic block copolymer, especially a linear styrene-butadiene-styrene triblock copolymer, with a styrene content less than 23 percent by weight, based upon total composition weight. The compositions yield very thin polymeric films with satisfactory physical properties.

Abstract: A polymer composition comprises a polymer matrix, a first fluorine-containing processing aid, and a second processing additive system that is substantially free of fluorine and that comprises: (a) a lubricant and (b) a surfactant.

Abstract: The present technology relates to compositions comprising a copolymer comprising a poly(C2-4 alkylene oxide) and a cationic polyacrylamide, and a plurality of nanoparticles of titanium dioxide, zinc oxide or a mixture thereof. The compositions may serve as flocculating agents to remove neutral and negatively charged nanoparticle pollutants from gasses, including air, and liquids such as water.

Abstract: A golf ball has a layer comprising a compatibilized blend of thermoplastic polyurethane, polyolefin, and hydrophobic thermoplastic polyurethane. The layer may be part of the cover, for example an inner layer of a two-layer cover layer. The layer may be an intermediate layer between the core and the cover.

Abstract: To provide a pressure-sensitive adhesive composition for a removable pressure-sensitive adhesive tape which can be, after attaching to an adherend, easily removed from the adherend by stretching the pressure-sensitive adhesive tape and does not cause adhesive transfer on the adherend or damage of the adherend. A pressure-sensitive adhesive composition comprises a cohesive component comprising a styrene-based block copolymer, and a basic component.

Abstract: It is an object of the present invention to provide a polyion complex used as a non-viral gene vector, which achieves sufficiently high gene expression efficiency to a target cell. The polyion complex of the present invention comprises a block copolymer formed by binding polyethylene glycol to polycation via a disulfide group and a nucleic acid.

Abstract: A polymer that combines high ionic conductivity with the structural properties required for Li electrode stability is useful as a solid phase electrolyte for high energy density, high cycle life batteries that do not suffer from failures due to side reactions and dendrite growth on the Li electrodes, and other potential applications. The polymer electrolyte includes a linear block copolymer having a conductive linear polymer block with a molecular weight of at least 5000 Daltons, a structural linear polymer block with an elastic modulus in excess of 1×107 Pa and an ionic conductivity of at least 1×10?5 Scm?1. The electrolyte is made under dry conditions to achieve the noted characteristics.

Abstract: A material and an associated method of formation. A self-assembling block copolymer that includes a first block species and a second block species respectively characterized by a volume fraction of F1 and F2 with respect to the self-assembling block copolymer is provided. At least one crosslinkable polymer that is miscible with the second block species is provided. The self-assembling block copolymer and the at least one crosslinkable polymer are combined to form a mixture. The mixture having a volume fraction, F3, of the crosslinkable polymer, a volume fraction, F1A, of the first block species, and a volume fraction, F2A, of the second block species is formed. A material having a predefined morphology where the sum of F2A and F3 were preselected is formed.

Abstract: The present invention provides a biocompatible prepolymer comprising hydrophilic and hydrophobic segments, wherein the hydrophobic segments have at least one ethylenically unsaturated functional group and at least 5% of the segments have two or more ethylenically unsaturated functional groups and water. The invention further provides a biocompatible prepolymer composition comprising hydrophilic and hydrophobic prepolymers, wherein at least one of the hydrophobic prepolymers has at least one ethylenically unsaturated functional group and at least 5% of the prepolymers have two or more ethylenically unsaturated functional groups and water. The invention further provides use of the prepolymer or prepolymer compositions of the invention in biomedical applications such as tissue engineering, as bone substitutes or scaffolds, and in wound treatment.

Abstract: Grafted compounds are formed by reacting (1) a first compound having both an aziridinyl group and a polymeric group with (2) a second compound having at least one acidic group. This reaction results in the opening of the aziridinyl ring on the first compound by the acidic group on the second compound and the formation of an attachment group that connects polymeric group of the first compound to the second compound. In some embodiments, the second compound is a polymeric material having multiple acidic groups and the product of the reaction of the first compound with the second compound results in the formation of a grafted copolymer.

Abstract: Disclosed are an antistatic agent which does not impair the appearance and the mechanical strength of a molded article and which provides sufficient permanent antistatic properties to the molded article even when added in a small amount, and an antistatic resin composition containing the same. The antistatic agent (Z) includes: a block polymer (A) containing a block of hydrophobic polymer (a) and a block of hydrophilic polymer (b) as constituent units; and an organic fluorine-modified polyolefin (B). The antistatic resin composition is obtained by containing the antistatic agent in a thermoplastic resin (C).

Abstract: To provide an aqueous coating composition which has a high storage stability and which is capable of forming a coating film excellent in gloss, adhesion and water resistance; a process for its production; and a process for forming a coating film by using the aqueous coating composition. An aqueous coating composition comprising a fluoro-olefin copolymer, a pigment, a copolymer (1) (an A-B type block copolymer which is a copolymer having no fluorine atoms or ionic groups and which comprises hydrophilic blocks (A) having repeating units (a) having a polyoxyethylene chain in the side chain, and hydrophobic blocks (B) having repeating units (b) having a hydrocarbon chain in the side chain) and an aqueous medium.

Abstract: A polyamide resin composition for sliding part and a sliding part, each being prevented from shrinking both in the MD direction and in the TD direction (having excellent dimensional stability as well as excellent dimensional stability when water is absorbed into the resin) and having excellent impact resistance, a method for producing the sliding part, and a method for producing an automobile using the sliding part. The polyamide resin composition for sliding part includes a polyamide resin (component A) and a styrene polymer (component B), wherein the component B has a deflection temperature under load of 140 to 280° C., and the weight ratio of the component A to the component B (A/B) is 95/5 to 77/23.

Abstract: The present invention provides a polyamide-polyphenylene ether resin composition comprising a polyamide having an alicyclic structure and composed of dicarboxylic acid units comprising from 20 to 100 mol % of cyclohexanedicarboxylic acid units and diamine units comprising aliphatic diamine units with from 6 to 12 carbon atoms, a polyphenylene ether, and a compatibilizer for a polyamide and a polyphenylene ether.

Abstract: Methods of modifying block copolymers to enhance thermodynamic properties thereof without sacrificing material properties and methods of forming modified block copolymers having desired properties are disclosed. The modified block copolymers may be used, for example, as a mask for sublithographic patterning during various stages of semiconductor device fabrication. For example, block copolymers having desirable material properties, such as etch selectively, may be chemically modified to tailor a ? value thereof to optimize the process conditions for achieving a self-assembled state and to reduce a defectivity of the self-assembled block copolymer pattern.

Abstract: The thermoplastic resin composition (X1) of the present invention comprises (A1), (B1), (C1), and optionally (D1) below: 1 to 90 wt % of an isotactic polypropylene (A1); 9 to 98 wt % of a propylene/ethylene/?-olefin copolymer (B1) containing 45 to 89 mol % of propylene-derived structural units, 10 to 25 mol % of ethylene-derived structural units, and optionally, 0 to 30 mol % of C4-C20 ?-olefin-derived structural units (a1); 1 to 80 wt % of a styrene-based elastomer (C1); and 0 to 70 wt % of an ethylene/?-olefin copolymer (D1) whose density is in the range of 0.850 to 0.910 g/cm3, wherein (A1)+(B1)+(C1)+(D1)=100 wt %.

Abstract: There is provided an antistatic agent that preserves its antistatic property for a long period of time and has the appearance and the transparency that are not impaired when kneaded into a resin, and a resin composition containing the antistatic agent. An antistatic agent including a block copolymer which is obtained from a reaction product of a polyolefin (a) having one end being acid-modified and a diol and/or a diamine (b) having a polyoxyalkylene chain, and in which a part or all of acid groups remaining in the reaction product is neutralized with an alkaline substance. A thermoplastic resin composition including the antistatic resin. A film or sheet including the thermoplastic resin composition.

Abstract: A novel class of mixed micelles formed with critical micelle concentration (Cmc) character's diblock copolymer, and temperature-sensitive character's diblock copolymer were disclosed. The mixed micelles possess complementary effects in adjusting external temperature shift (storage vs. body temperature) and concentration change (dilution after intravenous injection). The mixed micelles of the present invention can serve as a potential injectable drug delivery system for anticancer drugs, such as doxorubicin and many others.

Abstract: The present invention provides a method for producing stereo complex crystals of polylactic acid, with which a polylactic acid having excellent heat resistance and containing stereo complex crystals at a high ratio can be efficiently produced, the method including: a step of dissolving in a solvent a block copolymer, which includes polylactic acid containing an L-lactic acid unit or poly lactic acid containing a D-lactic acid unit together with at least one kind of an organic polymer having a different structure from that of polylactic acid, and a polylactic acid homopolymer containing a D-lactic acid unit or a polylactic acid homopolymer containing an L-lactic acid unit, the lactic acid unit being an optical isomer that is not contained in the block copolymer, to prepare a polymer mixture solution; and a step of removing the solvent from the polymer mixture solution.

Abstract: A thermoplastic polymer composition capable of exhibiting excellent impact resistance, durability and destaticizing property containing (A) 50 to 95% by mass of an aliphatic polyester-based resin and (B) 5 to 50% by mass of a block copolymer of (B1) a hard segment block with at least one of a polyamide, polyester, polyolefin or polyurethane, and (B2) a soft segment block having an ether bond.

Abstract: Provided is a rubber composition blended with an inorganic filler, the rubber composition having an improved dispersibility of the inorganic filler, as well as improved low heat generation property and tensile stress. The rubber composition includes a blend of: 100 parts by weight of a diene rubber; 1 to 150 parts by weight of an inorganic filler; and 0.1 to 30 parts by weight of a copolymer composed of a segment composed of a polyamide polymer and a segment composed of a diene polymer. The segment composed of the diene polymer has a number average molecular weight of not less than 10000.

Abstract: A foamed composition adapted to seal to a substrate is provided. The foamed composition includes a radiation curable rubber, a photoinitiator, a blowing agent, a styrene-ethylene/butylene block copolymer, a light mineral oil, rheology modifier, a tackifier, and one of a radiation curable monomer and radiation curable oligomer, and wherein the composition is foamed upon application to the substrate.

Abstract: An antistatic resin composition is provided, from which a thermoplastic resin molded article having a sufficient permanent antistatic property without impairing an excellent mechanical property or a good appearance of the molded article, even in a case that the content of an antistatic agent contained in the composition is less than that in a conventional composition, is provided. The antistatic resin composition contains an antistatic agent (A) and a thermoplastic resin (B), in which a melt viscosity ratio of the thermoplastic resin (B) to the antistatic agent (A) at 220° C. is 0.5-5 and an absolute value of a difference between solubility parameters (SPs) of the antistatic agent (A) and the thermoplastic resin (B) is 1.0-3.0. The antistatic resin molded article is obtained by molding the antistatic resin composition.

Abstract: The present invention provides a polyurethane which is non-sticky, exhibits superior handling properties and superior moldability, and has superior adhesive properties with silicones even if a surface activation treatment is not carried out beforehand. The polyurethane of the present invention contains polyol units and organic polyisocyanate units. The polyol units contain an alkenyl group-containing organopolysiloxane structure in an amount ranging from 0.01 to 20% by weight with respect to the weight of the aforementioned polyurethane.

Abstract: The present invention provides a thermoplastic polymer composition capable of exhibiting excellent impact resistance, durability and destaticizing property. The present invention relates to a thermoplastic polymer composition comprising (A) 50 to 95% by mass of an aliphatic polyester-based resin and (B) 5 to 50% by mass of a block copolymer comprising (B1) a hard segment block comprising at least one polymer selected from the group consisting of a polyamide, a polyester, a polyolefin and a polyurethane, and (B2) a soft segment block having an ether bond, with the proviso that a total amount of the components (A) and (B) is 100% by mass.

Abstract: Compositions including a thermoplastic elastomer or thermoplastic vulcanizate derived from a styrenic block copolymer having a reactive or crosslinkable hard block including aromatic vinyl repeat units and also preferably a crosslinkable soft block, and a non-olefin thermoplastic polymer or copolymer and preferably a compatibilizer such as the reaction product of a non-olefin thermoplastic polymer and a functionalized polymer such as a maleic anhydride functionalized styrenic block copolymer that is compatible with the styrenic block copolymer having a reactive or crosslinkable hard block, and optionally a linking compound. The vulcanizates are prepared by crosslinking the styrenic block copolymer in the presence of the non-olefin thermoplastic polymer and a suitable crosslinking agent, and optionally the compatibilizer, preferably utilizing dynamic vulcanization.

Abstract: The present invention is a process to make a composition comprising a block copolymer A-B and optionally a monovinylaromatic polymer, said process comprising: a) forming a mixture comprising: one or more cyclic component polymerizable by ring-opening polymerization (ROP) dispersed in at least one monovinylaromatic monomer, optionally a rubber dissolved in the monovinylaromatic monomer, b) contacting the mixture of step a) with a mixture of b1 and b2 such that: b1) is M[N(SiR83)2]x in which M is a metal, R8 is an hydrocarbon group and x is the valency of the metal M, or a metal alkoxide M(OR9)x in which M is a metal, R9 is an hydrocarbon group and x is the valency of the metal M, or phenol-based pro-ligands of formula wherein R1 is wherein m is 1, 2 or 3 and n?1); R2 is hydrocarbyl group having 1 to 10 carbon atoms and is preferably selected from methyl, ethyl, iso-propyl, tert-butyl or neo-pentyl; R3 is the same as R1 or is hydrocarbyl group having 1 to 20 carbon atoms and is preferably a

Abstract: A single-component high-temperature-curing reactive composition based on natural and/or synthetic elastomers having olefinic double bonds and on vulcanizing agents is provided. Such compositions contain at least one liquid polyene with a molecular weight between 400 and 80,000, preferably between 800 and 25,000; at least one block copolymer with at least one polyene block and at least one saturated block; and a vulcanizing system of sulfur and accelerators and/or quinone oximes, if applicable. Such high-temperature-curing reactive compositions are useful as single-component adhesives, sealant or coating compositions or sealing compounds in automobile body manufacture.

Abstract: Disclosed is a silicone impact modifier with a high refractive index. The silicone impact modifier can include (A) a rubber core including (a1) an organosiloxane cross-linked (co)polymer with a particle size of about 50 to about 400 nm and (a2) an alkylacrylate-styrenic aromatic compound cross-linked copolymer; and (B) a plastic shell including a vinyl (co)polymer. The refractive index of the silicone impact modifier of the present invention can be about 1.49 to about 1.59.

Abstract: A fiber is obtainable from or comprises an ethylene/?-olefin interpolymer characterized by an elastic recovery, Re, in percent at 300 percent strain and (1) cycle and a density, d, in grams/cubic centimeter, wherein the elastic recovery and the density satisfy the following relationship: Re>1481?1629(d). Such interpolymer can also be characterized by other properties. The fibers made therefrom have a relatively high elastic recovery and a relatively low coefficient of friction. The fibers can be cross-linked, if desired. Woven or non-woven fabrics can be made from such fibers.

Abstract: An epoxy resin composition, including: an epoxy resin (A) represented by Formula (1); an epoxy resin (B) having an epoxy equivalent of 220 or less and having twice or more epoxy groups in a molecule than epoxy groups of the epoxy resin (A); and a photocationic polymerization initiator (C), in which: the epoxy resins (A) and (B) constitute main components; and a weight of the epoxy resin (A) is 40% or more and a weight of the epoxy resin (B) is 30% or more with respect to a total weight of the epoxy resins (A) and (B): where: R represents a hydrogen atom, a methyl group, an ethyl group, a propyl group, or a t-butyl group; n represents an integer of 0 or more and 4 or less; and m represents an integer of 1 or more and 3 or less.

Abstract: A composition and composite article have improved adherence with an addition-curable material. The composition and therefore the composite article, which includes at least one substrate formed from the composition, include a resin and an additive that is incorporated into the resin. The resin is organic and polymeric and free of ethylenically unsaturated and silicon hydride functional groups. The additive is selected from the group of a fluorine-substituted organopolysiloxane, an amino-functional organopolysiloxane, an unsaturated carboxylic acid or carboxylic acid salt, and combinations thereof. Further, the additive includes a hydrosilylation reactive group present at a surface of the substrate for reaction with the addition-curable material. This improves adherence of the substrate with the addition-curable material. The substrate and the addition-curable material bond together to make the composition article.

Abstract: Modified phenolic resins and processes for producing these are described, as also are phenolic-resin formulations which comprise the modified phenolic resins, and processes for producing these. Specific uses of appropriate phenolic resins and, respectively, phenolic-resin formulations, and the use of block copolymers for producing phenolic resins, are also described.

Abstract: An epoxy resin composition, including: an epoxy resin (A) represented by Formula (1); an epoxy resin (B) having an epoxy equivalent of 220 or less and having twice or more epoxy groups in a molecule than epoxy groups of the epoxy resin (A); and a photocationic polymerization initiator (C), in which: the epoxy resins (A) and (B) constitute main components; and a weight of the epoxy resin (A) is 40% or more and a weight of the epoxy resin (B) is 30% or more with respect to a total weight of the epoxy resins (A) and (B): where: R represents a hydrogen atom, a methyl group, an ethyl group, a propyl group, or a t-butyl group; n represents an integer of 0 or more and 4 or less; and m represents an integer of 1 or more and 3 or less.

Abstract: Compositions including a thermoplastic elastomer or thermoplastic vulcanizate derived from a styrenic block copolymer having a reactive or crosslinkable hard block including aromatic vinyl repeat units and also preferably a crosslinkable soft block, and a non-olefin thermoplastic polymer or copolymer and preferably a compatibilizer such as the reaction product of a non-olefin thermoplastic polymer and a functionalized polymer such as a maleic anhydride functionalized styrenic block copolymer that is compatible with the styrenic block copolymer having a reactive or crosslinkable hard block, and optionally a linking compound. The vulcanizates are prepared by crosslinking the styrenic block copolymer in the presence of the non-olefin thermoplastic polymer and a suitable crosslinking agent, and optionally the compatibilizer, preferably utilizing dynamic vulcanization.

Abstract: The invention relates to a new polymer blend comprising: 20 to 70 wt % of a mixture (A) of two or more polyalkylene phthalates; 2 to 60 wt % of a cross-linked acrylate rubber; 0.5 to 20 wt % of an ionomer; and 1 to 30 wt % of a terpolymer of ethylene, butylacrylate (BA) and glycidylmethacrylate (GMA); wherein the weight percentages are based on the sum of the above ingredients. The polymer blend of the invention is particularly suitable for blow-moulding, to make parts for high-temperature, high-oil-exposure uses.

Abstract: A curable adhesive epoxy resin composition including (a) an epoxy resin; (b) an amphiphilic block copolymer containing at least one epoxy resin miscible block segment and at least one epoxy resin immiscible block segment; wherein the immiscible block segment comprises at least one polyether structure provided that the polyether structure of said immiscible block segment contains at least one or more alkylene oxide monomer units having at least four carbon atoms; in an amount such that when the epoxy resin composition is cured, the bond strength of the resulting cured epoxy adhesive resin composition increases compared to an epoxy resin composition without said amphiphilic polyether block copolymer; and (c) at least one curing agent. The amphiphilic block copolymer is preferably an all polyether block copolymer such as a PEO-PBO diblock copolymer or a PEO-PBO-PEO triblock copolymer.

Abstract: A polyester block terpolymer comprising an amorphous block comprising a polystyrene dicarboxylate; a crystallizable block comprising a polyethylene glycol; and an aliphatic diol block; wherein the amorphous block is a continuous phase and the crystallizable block is a dispersed phase, and wherein the dispersed phase is less than about 200 nanometers in size.

Abstract: The present invention provides a resin composition excellent in strength, impact resistance, heat resistance and moldability and further, of low environmental load capable of decreasing CO2 exhaustion in its production. The present invention is a resin composition comprising a styrene-based resin (A), an aliphatic polyester (B) and at least one species selected from a compatibilizer (C) and a dicarboxylic anhydride (D), and the compatibilizer is preferably at least one species described below.

Abstract: A thermoplastic composition includes the product of melt kneading a composition including a poly(arylene ether), a polyolefin, an acid-functionalized hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, and a polyamine compound. The composition exhibits substantially improved chemical resistance compared to a corresponding composition lacking the polyamine compound. Methods of preparing the composition and articles prepared for the composition are also described. The composition is particularly useful for fabricating halogen-free tubes for sheathing automotive wiring harnesses.

Abstract: An implantable medical device includes a device body at least partially formed of a polymeric material including a base polymer and a block copolymer. The block copolymer includes at least one polyethylene oxide (PEO) block and at least one polyisobutylene (PIB) block. The PEO and PIB blocks may be coupled together by a urethane or urea linkage. The block copolymer may be a triblock copolymer, PEO-PIB-PEO, and the base polymer may be a polystyrene-polyisobutylene-polystyrene triblock copolymer.

Abstract: An epoxy resin composition, including: an epoxy resin (A) represented by Formula (1); an epoxy resin (B) having an epoxy equivalent of 220 or less and having twice or more epoxy groups in a molecule than epoxy groups of the epoxy resin (A); and a photocationic polymerization initiator (C), in which: the epoxy resins (A) and (B) constitute main components; and a weight of the epoxy resin (A) is 40% or more and a weight of the epoxy resin (B) is 30% or more with respect to a total weight of the epoxy resins (A) and (B): where: R represents a hydrogen atom, a methyl group, an ethyl group, a propyl group, or a t-butyl group; n represents an integer of 0 or more and 4 or less; and m represents an integer of 1 or more and 3 or less.

Abstract: An epoxy resin composition, including: an epoxy resin (A) represented by Formula (1); an epoxy resin (B) having an epoxy equivalent of 220 or less and having twice or more epoxy groups in a molecule than epoxy groups of the epoxy resin (A); and a photocationic polymerization initiator (C), in which: the epoxy resins (A) and (B) constitute main components; and a weight of the epoxy resin (A) is 40% or more and a weight of the epoxy resin (B) is 30% or more with respect to a total weight of the epoxy resins (A) and (B): where: R represents a hydrogen atom, a methyl group, an ethyl group, a propyl group, or a t-butyl group; represents an integer of 0 or more and 4 or less; and m represents an integer of 1 or more and 3 or less.

Abstract: The present invention relates to articles prepared from novel anionic block copolymers of mono alkenyl arenes and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymers are selectively hydrogenated and have the structure C-A-B2-A-C or (C-A-B)nX, where the molecular weight of B2 is twice that of B, n is an integer between 2 and about 30, X is the residue of a coupling agent, and wherein prior to hydrogenation each A block is a mono alkenyl arene homopolymer block, each B block is a polymer block of at least one conjugated diene and each C block is a polymer block of (i) ethylene, (ii) alpha olefins of 3 to 10 carbon atoms; or (iii) monomers of 1,3-butadiene having a vinyl content less than 10 mol percent prior to hydrogenation. The block copolymer may be blended with at least one other polymer selected from the group consisting of olefin polymers, styrene polymers and amorphous resins.

Abstract: A block polymer containing, in a block with a Tg greater than 20° C., at least one monomer of formula (I): The invention also relates to a cosmetic composition comprising the block polymer in a cosmetically acceptable medium, and also to a cosmetic process for treating keratin materials using the composition, and most particularly to a process for making up the lips.