Abstract: An object of the invention is to provide a block copolymer hydrogenation product suitable for a sheet and a heat shrinkable film which are excellent in solvent resistance, rigidity, elongation and transparency, which is excellent in a balance of physical properties such as solvent resistance, natural shrinkability, low-temperature shrinkability, rigidity, transparency and low-temperature elongation, and a composition thereof.

Abstract: The present invention relates to a sheet composition containing at least one of either a polystyrene-based copolymer or an ethylene vinyl acetate-based copolymer, to a sheet produced from the same, to a laminated sheet containing the sheet, and to a composite sheet containing the laminated sheet. The sheet according to the present invention is provided with a high functional stability including wear resistance, oil resistance, and aging resistance, and superior embossing retention characteristics.

Abstract: The present invention provides an aqueous solution for sterilizing and storing ophthalmic devices, preferably a contact lens, made of a hydrogel material, preferably a poly(oxyalkylene)-containing hydrogel material. The solution comprises one or more organic buffer agents, such as a Good buffer or a bis-aminopolyols; an organic tonicity-adjusting agent with multiple hydroxyl groups in an amount sufficient to provide an osmolarity of from about 200 to about 450 mosm/l, wherein the aqueous solution has a pH of from about 5.5 to about 8.5, provided that the aqueous solution include phosphate buffer at a concentration of about 15 mM or less and about 5000 ppm sodium chloride. The present invention also provides a method for sterilizing and storing an ophthalmic device using an aqueous solution of the invention.

Abstract: Compositions and methods for the preparation of a composition comprising a block copolymer and ester-terminated polyester amide solubilized in a compatible solvent are disclosed. The disclosed compositions are long-lasting, transfer resistant, flexible, and water-proof capable of complexing the active ingredient to provide such benefits. The disclosed compositions are useful for formulating cosmetics, personal care products, cosmeceuticals, and the like.

Abstract: A composition is prepared by melt blending specific amounts of a polyamide, a flame retardant that includes brominated polystyrene, a polymeric flame retardant synergist, and a compatibilizing agent. The polymeric flame retardant synergist can be a poly(arylene ether), a poly(arylene ether)-polysiloxane block copolymer, or a mixture thereof The composition is useful for molding automotive and electrical parts.

Abstract: The present invention relates to a polypropylene-based composite composition which is directly paintable without treatment of a primer comprised of chlorinated polyolefins. According to the present invention, the polypropylene-based composite composition comprises 30 to 70 weight percent, based on total weight of said polypropylene-based composite composition, of a polypropylene-based resin; 10 to 20 weight percent, based on total weight of said polypropylene-based composite composition, of a polyolefin based thermoplastic elastomer; 10 to 30 weight percent, based on total weight of said polypropylene-based composite composition, of a mineral filler; and 10 to 20 weight percent, based on total weight of said polypropylene-based composite composition, of an acrylate functional polymer additive.

Abstract: A novel block copolymer composition including a hydrogenated block copolymer that has at least one block A and at least one block B, and wherein (a) prior to hydrogenation each A block is a mono alkenyl arene homopolymer block and each B block is a controlled distribution copolymer block of at least one conjugated diene and at least one mono alkenyl arene, (b) subsequent to hydrogenation about 0-10% of the arene double bonds have been reduced, and at least about 90% of the conjugated diene double bonds have been reduced, (c) each A block having a number average molecular weight between about 3,000 and about 60,000 and each B block having a number average molecular weight between about 30,000 and about 300,000, (d) each B block comprises terminal regions adjacent to the A blocks that are rich in conjugated diene units and one or more regions not adjacent to the A blocks that are rich in mono alkenyl arene units, (e) the total amount of mono alkenyl arene in the hydrogenated block copolymer is about 5 percent w

Abstract: In accordance with various aspects of the invention, implantable and insertable medical devices are provided, which contain one or more polymeric regions. In one aspect, the polymeric regions comprise (a) a block copolymer that comprises a polyaromatic block and a polyalkene block admixed with (b) a sulfonated high Tg polymer. In another aspect, the polymeric regions comprise a block copolymer that comprises (a) a sulfonated polymer block and (b) fluorinated polymer block.

Abstract: Novel adhesive compositions that can be used in the die attach process. The adhesives include a curable resin component, a curing agent, and a block copolymer additive. The block copolymer additive has a glass transition temperature of at least about 40° C. The block copolymer additive improves the affinity of the adhesive composition to a hydrophilic substrate, such as a silicon wafer, during the die pickup process. Also disclosed is an assembly which includes a hydrophilic substrate and a layer of adhesive and methods of producing the assembly.

Abstract: The invention provides a polymer composition containing an addition polymerization-based block copolymer (a), an acrylic resin (b), and a softener (c), wherein the addition polymerization-based block copolymer (a) has a weight average molecular weight of 30000 to 200000 and is at least one selected from block copolymers comprising at least one polymer block A and at least one polymer block B, and hydrogenated products of the block copolymers; the polymer block A essentially comprises an aromatic vinyl compound unit containing at least 1% by mass of an alkylstyrene-derived structural unit (I) in which at least one alkyl group having 1 to 8 carbon atoms is bound to a benzene ring; the block copolymer B comprises a conjugated diene compound unit; and the components of the polymer composition are present in respective proportions (by mass) so that the following relationships (1) and (2) hold: 0.05?Wb/Wa?2??(1) Wc/(Wa+Wb+Wc)?0.

Abstract: A composition includes specific amounts of a high molecular weight poly(arylene ether), a rubber-modified polystyrene, and a hydrogenated block copolymer. The use of the high molecular weight poly(arylene ether) unexpectedly provides substantially improved durability to articles molded from the composition. The composition is particularly useful for molding hot water pipes and fittings.

Abstract: Compositions including a base resin, a reinforcement and a modifier including a block copolymer for producing vesicles, spherical and/or cylindrical micelles and composites made therefrom.

Abstract: The present invention provides a block copolymer or a hydrogenated product thereof excellent in low-temperature shrinkability, natural shrinkability, rigidity and the like, excellent in a balance of physical properties such as blocking resistance, resistance to fusion bonding in hot water, impact resistance and the like, and having a few fish eyes (FE's) caused by gels. Further, the invention provides a heat shrinkable film and a heat shrinkable multilayer film suitable for drink container packaging, cap seals and the like, using such a block copolymer or the hydrogenated product thereof.

Abstract: The present invention relates to a polyvinyl chloride (PVC) composition comprising an alkene-containing resin and a processing modifier. The alkene-containing resin consists of from 17 to 90 PHR of PVC, from 9 to 68 PHR of chlorinated poly(vinyl chloride) (CPVC) and from 10 to 15 PHR of acrylonitrile butadiene styrene (ABS). The processing modifier is selected from the group consisting of petroleum resin, rosin resin, and any combination of them. The PVC composition of the present invention has improved deflection temperature under load and fluidity.

Abstract: Method for making a film comprising, as sole layer(s), at least one layer L1 consisting of a polyamide composition comprising an aromatic polyamide and an impact modifier, said method comprising extruding the polyamide composition into the film.

Abstract: To provide a polymer composition that is good in durability and anti-air permeability, and has a superior adhesive property to adjacent rubber and processability. A polymer mixture containing a styrene-isobutylene-styrene triblock copolymer in a range from 99 to 60% by mass and a polyamide-based polymer in a range from 1 to 40% by mass that contains polyamide in the molecular chain thereof and has a Shore D hardness of 70 or less, a polymer composition containing the polymer mixture, and the polymer composition are used as some members of a tire.

Abstract: The present invention provides a thermoplastic elastomer composition obtained by dynamically crosslinking, under a melting condition, 100 parts by mass of a block copolymer (I), 1 to 1,000 parts by mass of a polar resin (II), 1 to 500 parts by mass of a modified polymer (III), and 0.01 to 50 parts by mass of a crosslinking agent (IV), wherein the block copolymer (I) comprises at least one polymer block (A) comprising as a main component an alkylene unit, and/or at least one copolymer block (B) comprising as main components an alkylene unit (b-1) and a vinyl aromatic monomer unit (b-2), and comprises at least one unsaturated block (C) comprising as a main component a conjugated diene monomer unit having 5 or more carbon atoms at an end.

Abstract: A thermoplastic elastomer composition comprising a thermoplastic vulcanized olefin elastomer (A) and an aromatic vinyl random copolymer (B), wherein the (A) component is a thermoplastic vulcanized elastomer composed of an ethylene-?-olefin copolymer (A-1) and a thermoplastic non-vulcanizable polymer (A-2) and the (B) component is a hydrogenated copolymer rubber composed mainly of random bonding which has an olefinic double bond hydrogenation ratio of 50% or more and comprises 10 to 49% by weight of a conjugated diene monomer and 51 to 90% by weight of an aromatic vinyl monomer.

Abstract: A composition useful for imparting durable stain repellence and soil release properties to textile substrates, a method for treating textile substrates using such composition, and the textile substrates obtained therefrom. The composition comprises: (A) at least one fluorinated ionisable polyurethane polymer (PUR) being free from perfluoroalkyl chains and comprising at least one fluorinated block comprising a fluoropolyoxyalkene chain, and at least one functional block comprising an hydrocarbon chain (RHC) having from 2 to 14 carbon atoms, said chain (RHC) comprising at least one ionisable group, said blocks being linked by urethane moieties of formula (I), wherein E is a divalent hydrocarbon carbon group; (B) at least one fluorocarbon polymer (F) comprising at least one perfluoroalkyl chain (Rf) linked by one or more ester moiety of formula (II) and/or urethane moiety of formula (III) and/or urea moiety of formula (IV); and (C) at least one crosslinking agent.

Abstract: It is depicted a polymer composition with elastomeric properties at wide temperature ranges of the type comprising polymers and/copolymers resulting from substituted or unsubstituted vinyl aromatic monomers and from dienic monomers, which is homogeneous and compatible in nature, with such composition being based on stereoregular polymers and without requiring the additional use of compatibilizing agents. Likewise, it is depicted the process to obtain the same, as well as to hydrogenise them, without requiring the use of additional catalyzers or processes.

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 have mono alkenyl arene end blocks and controlled distribution blocks of mono alkenyl arenes and conjugated dienes. The block copolymer may be blended with at least one other polymer selected from the group consisting of olefin polymers, styrene polymers, amorphous resins and engineering thermoplastic resins.

Abstract: A hot melt adhesive comprises an ethylene ?-olefin copolymer, an acid anhydride modified polyolefin and a hydrogenated tackifying resin. The hot melt adhesive has excellent viscoelastic properties and can be used in a variety of applications. In one application, attaching an elastic band to a flexible film, the adhesive has excellent viscosity and, in a finished absorbent article, a minimal creep characteristic. Also disclosed is a disposable article using the adhesive to adhere adjacent surfaces within the disposable article including an elastic band to a polyolefin backing film, for example, in a diaper, incontinent article or other such structure.

Abstract: A hot melt adhesive composition, comprising a blend of components including about 1% to about 20% by weight of a styrene-ethylene-ethylene-propylene-styrene (SEEPS) random block copolymer; about 10% to about 70% by weight of a first midblock tackifying resin having a softening point of at least about 85° C.; about 0 to 65% of a second midblock tackifying resin; about 5% to about 60% by weight of a plasticizer; about 0% to about 20% by weight of an end block reinforcing resin having a softening point equal to or higher than 115° C.; and about 0.1% to about 5% of a stabilizer; wherein the components total 100% by weight of the composition, and the viscosity of the composition is equal to or less than about 20,000 mPa.s at 160° C. Laminates, especially those used in disposable soft goods, and methods of making such laminates using the hot melt adhesive composition are also described.

Abstract: An additive composition for imparting caustic removability to a hot melt adhesive comprises a low molecular weight ?,? ethylenically unsaturated anhydride-containing or acid-containing polymer. The polymer is selected from the group consisting of a low molecular weight carboxylic anhydride homo-polymer or the at least partial ester thereof, a low molecular weight carboxylic anhydride copolymer or the at least partial ester thereof, a low molecular weight carboxylic anhydride polyolefin, a low molecular weight carboxylic anhydride vinyl aromatic copolymer, and a low molecular weight carboxylic anhydride grafted copolymer, or the combination or mixtures thereof. A caustic removable hot melt adhesive composition comprises a hot melt adhesive additive and a conventional hot melt adhesive resin. A caustic removable adhesive label comprises a substrate and a caustic removable hot melt adhesive composition which includes an additive composition.

Abstract: There are provided a thermoplastic resin composition excellent in a balance between fluidity and low outgassing, and a molded product and a sheet including the thermoplastic resin composition. The thermoplastic resin composition may include from 70 to 99% by mass of (A) a polyphenylene ether, from 1 to 30% by mass of (B) a copolymer including an aromatic vinyl compound and an unsaturated dicarboximide derivative as constituent monomers, and from 0 to 20% by mass of (C) a copolymer including an aromatic vinyl compound and a cyanided vinyl compound as constituent monomers, based on 100% by mass of the total of the (A) component, the (B) component and the (C) component, wherein the (B) component has a weight-average molecular weight of from 70,000 to 250,000.

Abstract: A maleimide terminated polyimide incorporated into a two-part acrylic structural adhesive system. The maleimide terminated polyimide of the various embodiments of the present invention provide improving thermal stability, strength, and toughness.

Abstract: Disclosed is a toughened film forming agent for use in a fiber sizing, a finish coating or a binder composition, where the toughened film forming agent includes a film fowling polymer and a toughening agent both dispersed in water. The toughening agent may be core shell polymers, rubber, thermoplastic materials, nanomaterials, nanofibers, including any combination or subset thereof. The film forming polymer may be epoxy resins, polyurethane resins, epoxy-polyurethane resins, polyester resins, epoxy-polyester resins, polyvinylacetate resins, polypropylene resins, including any combination or subset thereof.

Abstract: Adhesive formulations having acrylate monomer or methacrylate monomer, or mixtures thereof, and having a reducing agent and an initiator (e.g., peroxide). The formulations may include a chelating agent solution to improve storage stability and other properties. Further, the mole ratio of the initiator to the reducing agent may be adjusted to control weight loss of the adhesives during cure. Polyvinyl acetate or its derivatives may also be employed in the adhesive formulations to reduce weight loss during cure. Moreover, certain embodiments of the formulations include a toughening-agent copolymer having a glass transition temperature (of at least one domain) that is lower than ?50° C. (?58° F.). These toughening-agent copolymers may be added to the adhesive formulations to improve impact strength and other properties of the cured adhesives at lower temperatures, e.g., ?40° C. (?40° F.), while maintaining performance of the cured adhesives at higher temperatures, e.g., 82° C. (180° F.).

Abstract: The present invention relates to a thermoset material with improved impact resistance comprising, by weight: •99 to 20% of a thermoset resin, •1 to 80% of an impact modifier comprising at least one copolymer chosen from copolymers comprising A-B-C and A-B blocks, in which: each block is connected to the other by means of a covalent bond or of an intermediate molecule connected to one of the blocks via a covalent bond and to the other block via another covalent bond, A is a copolymer of methyl methacrylate and of at least one water-soluble monomer, C is either (i) a PMMA (homopolymer or copolymer) this PMMA comprising optionally a water-soluble monomer or (ii) a polymer based on vinyl monomers or mixture of vinyl monomers, B is incompatible or partially compatible with the thermoset resin and incompatible with the A block and the optional C block and its glass transition temperature Tg is less than the operating temperature of the thermoset material.

Abstract: The present invention is directed to golf balls having at least one layer which comprises a polymer produced by a process wherein one or more monomers are contacted with a composition comprising the admixture or reaction product resulting from combining (A) a first olefin polymerization catalyst, (B) a second olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by the first olefin polymerization catalyst under equivalent polymerization conditions, and (C) a chain shuttling agent. Golf balls of the present invention include one-piece, two-piece, and multi-layer golf balls. In two-piece and multi-layer golf balls of the present invention, the polymer may be present in a core layer, a cover layer, an intermediate layer (in the case of multi-layer balls), or a combination thereof.

Abstract: Disclosed is a laminar shaped article comprising a heterogeneous blend of (a) a composition comprising a vinyl halide or vinylidene halide polymer and optionally an ethylene copolymer containing carboxyl and/or carbon monoxide moieties, and (b) a polyolefin functionalized with a comonomer selected from the group consisting of maleic anhydride, maleic acid diesters, maleic acid monoesters, itaconic anhydride, itaconic acid diesters, itaconic acid monoesters, fumaric acid diesters, fumaric acid monoesters, or combinations thereof as a compatibilizer; and (c) a polyamide wherein the polyamide is present in the vinyl halide or vinylidene halide polymer as a multitude of overlapping layers.

Abstract: The present invention relates to a composition containing modified block copolymer dispersants and dispersible inorganic or organic pigments. The block copolymers are prepared by atom transfer radical polymerisation (ATRP) and modified with a salt forming group. The pigment composition is useful for preparing coating compositions, prints, images, inks or lacquers and other disperse systems.

Abstract: A process for producing a polymeric object having a microphase-separated structure that can improve the degree of freedom for the structure to be formed is provided. A block copolymer composed of two or more segments and having a first segment composed of a monomer unit having a first functional group capable of forming an ionic bond and/or a hydrogen bond and a second segment incompatible with the first segment, and a polymer having, at other than the terminals of its polymer chain, a second functional group capable of forming an ionic bond and/or a hydrogen bond with the first functional group are mixed. Then, allowing the first segment to be associated with the polymer at many points by an ionic bond and/or a hydrogen bond, the mixture of the copolymer and the polymer is microphase separated. As a result, a polymeric object is formed including a region including the first segment and the polymer that have been associated with each other, and a region including the second segment.

Abstract: Provided are a material for an MD shrink film with good shrinking performance and thickness accuracy, and a film formed with the material. The material for the MD shrink film is a resin composition comprising a mixture of a block copolymer of a vinyl aromatic hydrocarbon and a conjugated diene and at least one of a vinyl aromatic hydrocarbon polymer, a copolymer of a vinyl aromatic hydrocarbon and (meth)acrylic acid and a copolymer of a vinyl aromatic hydrocarbon and a (meth)acrylate in a mass ratio of from 100/0 to 50/50, and a rubber-modified styrene polymer in an amount of from 0.5 to 3 parts by mass relative to 100 parts by mass of the mixture, wherein a molecular weight distribution (Mw/Mn) of the resin composition exceeds 1.2 and a content of the conjugated diene in monomer units in the resin composition is from 10 to 30% by mass.

Abstract: The present invention discloses a thermoplastic resin composition comprising: (A) 95 to 5 parts by weight of a styrenic resin and/or a polyphenylene ether resin; (B) 5 to 95 weight parts of an olefinic resin; and (C) 1 to 28 parts by weight of a partially hydrogenated block copolymer based on 100 parts by weight of the total amount of the components (A) and (B), wherein the component (C) comprises at least one polymer block X containing a vinyl aromatic compound as a main component and at least one polymer block Y containing a conjugated diene compound as a main component, a content of the vinyl aromatic compound in the component (C) is at least 10 wt % and at most 80 wt %, the vinyl bond content before hydrogenation in the component (C) is 3 wt % or more and less than 50 wt %, and 1 mol % or more and less than 40 mol % of double bonds derived from the conjugated diene compound in the block copolymer which constitutes the component (C) are hydrogenated.

Abstract: Disclosed herein is a masterbatch comprising the reaction product of 75 to 94.5 weight percent of a poly(arylene ether), 5 to 24.5 weight percent of a polyamide and 0.5 to 2.5 weight percent of citric acid, wherein weight percent is based on the combined weight of the poly(arylene ether), polyamide and citric acid. Methods of making and using the masterbatch are also described.

Abstract: The presently described technology provides a low cost multilayer elastomeric film containing at least one layer of styrene block copolymer and at least one elastomer layer substantially free of styrene block copolymer such that the resultant film has a low permanent set substantially equal to or less than a film comprised of styrene block copolymer only. The elastomeric film may be used in elasticized features of various articles, such as disposable absorbent articles. Methods for producing the low cost elastomeric film having a low permanent set are also described.

Abstract: Pressure sensitive adhesive compositions containing 92 to 99.9 parts of a block copolymer adhesive composition and 0.1 to less than 10 parts of an acrylic adhesive composition are described. Tapes including such adhesives, and methods of making such tapes are also described.

Abstract: Disclosed are ionomer compositions neutralized by a combination of cesium and potassium that have antistatic properties. Also disclosed are articles, including laminates and monolayer or multilayer structures comprising such compositions to which neither powders nor dusts easily adhere electrostatically.

Abstract: The present invention provides a graft or a block polymer in which a fluorine rubber and a silicone rubber are chemically bonded. The present invention is a graft or a block polymer comprising at least one kind of a silicone rubber segment and at least one kind of a fluorine elastomer segment. Furthermore, it is preferable that a fluorine containing elastomer segment is an elastomer segment comprising vinylidene fluoride or an elastomer segment comprising tetrafluoroethylene and that a silicone rubber segment has a unit of dimethylsiloxane and/or methyl-3,3,3-trifluoropropylsiloxane.

Abstract: The present invention provides a nano-particle comprising a shell and a polar core, their preparation, and their applications in ER fluids, polymeric product, rubber composition, tire product, hard disk drive gasket, matrix composition, and engine mount etc. The shell comprises a polymer formed from formula (I) monomers and the core comprises a polymer formed from formula (II) monomers, in which R1 and R2 are hydrogen; R3, R4, R5, R6, and up to three of R7, R8, R9, and R10 are each independently selected from the group consisting of hydrogen, methyl, ethyl, propyl, and isopropyl; and at least one of R7, R8, R9, and R10 is a polar group that is more polar than any one of R1, R2, R3, R4, R5, and R6 groups.

Abstract: The invention provides a composition comprising at least one olefin multi-block interpolymer; at least one functionalized olefin-based polymer; and optionally at least one thermoplastic polyurethane. The invention also provides for articles prepared from the inventive compositions and for methods for making the same.

Abstract: Disclosed are soft polymer compositions comprising an ethylene/alkyl (meth)acrylate copolymer and a crystalline polyolefin, such as polypropylene homopolymers or polypropylene copolymers, wherein the ethylene/alkyl (meth)acrylate copolymer has a higher melt viscosity than the polyolefin. Also disclosed are such compositions modified by materials that improve the scratch-and-mar properties of the blends, the preparation and use of these compositions in such processes as extrusion and injection molding, and articles made from these compositions.

Abstract: A seal for a valve for use in a pharmaceutical dispensing device, which seal is formed from a blend comprising: a thermoplastic elastomer including a propylene component with isotactic crystallinity; and a polymer selected from one or more of polypropylene, polyethylene and copolymers thereof.

Abstract: Films and film laminates include a blend of polymers, the blend including an elastomeric block copolymer in an amount from about 51% to about 95% by weight of the blend; and a polystyrenic polymer in an amount from about 1% to about 25% of the weight of the blend, wherein the polystyrenic polymer is selected from the group consisting of polystyrenic homopolymers and polystyrenic random interpolymers. The films and laminates are elastic in the cross-direction and have a relatively high modulus, or stiffness, in the machine-direction.

Abstract: A thermoplastic resin composition contains (i) a polylactic acid, (ii) a polyolefin, and (iii) a compatibilizer (functional group-containing polymer that includes a functional group selected from functional groups X including a carboxyl group, an acid anhydride group, an epoxy group, a (meth)acryloyl group, an amino group, an alkoxysilyl group, a hydroxyl group, an isocyanate group, and an oxazoline group). The thermoplastic resin composition contains (iii-1) a functional group-containing hydrogenated diene polymer and (iii-2) a functional group-containing olefin polymer as the component (iii).

Abstract: A block copolymer comprised of a polymer block or blocks (A) comprising conjugated diene monomer units and a polymer block or blocks (B) comprising conjugated diene monomer units and aromatic vinyl monomer units, wherein (1) the polymer block or blocks (A) have a glass transition temperature in the range of ?88 to ?45° C., (2) the polymer block or blocks (B) have a glass transition temperature in the range of 30 to 90° C., (3) the content of aromatic vinyl monomer units in the block copolymer is in the range of 30 to 52% by weight based on the total weight of the block copolymer, (4) the block copolymer has an aromatic vinyl block ratio of smaller than 69% by weight based on the total weight of the block copolymer, and (5) the viscosity of a 5% by weight solution of the block copolymer in styrene is at least 5 mPa·s but smaller than 30 mPa·s. This block copolymer is used as a modifier for resin.

Abstract: The invention provides novel polymers, including triblock polymers, as well as methods of preparing the polymers, and compositions that include such polymers. The polymers can include at least three blocks, the first block that includes poly(styrene), the second block that includes a random arrangement of poly(ethylene) and poly(butylene), and a third block that includes functionalized poly(isoprene). Units of the functionalized poly(isoprene) block can include hydroxyl groups and one or more ether linked side chains comprising R1, R2, R3, R4, R5, R6, as defined herein, or a combination thereof. The polymers can be used to provide antifouling coatings, for example, for marine ship hulls.

Abstract: A block polymer compound containing block segments, characterized in that at least one hydrophilic segment among the block segments is a copolymer segment composed of an ionic or hydrophilic repeating unit structure and a hydrophobic repeating unit structure.

Abstract: This invention is directed to pharmaceutical compositions and methods of treating varicose veins, including telangiectasias and reticular veins, and related symptoms and diseases. Embodiments comprise injection into a varicose vein of an amphiphilic block copolymer which has properties of conversion from liquid to gel state, surfactant properties, or combinations thereof. Other embodiments consist of the combination of an amphiphilic block copolymer with a co-solvent, also allowing the injected combination to form a gel within the vein. In other embodiments, an amphiphilic block copolymer is combined with a co-solvent, a sclerosant, a vasoconstrictor, water, or combinations thereof. Other embodiments of the invention include a combination of a sclerosant such as sodium tetradecyl sulfate or polidocanol with a vasoconstrictor, preferably a long-acting vasoconstrictor such as oxymetazoline. Other embodiments are directed to compositions and methods of treating venous and arteriovenous malformations and cancer.