Abstract: Composition which can be used in structural adhesives, essentially comprising a polymer system suitable for being used in a methacrylate matrix, said polymer system comprising styrene-free block copolymers formed from at least two blocks and preferably from at least three blocks, and said polymer system being solubilized in a matrix of linear or branched acrylic and/or methacrylic monomers and/or of cyclic methacrylates and/or of aromatic methacrylates. Application by incorporation into an adhesive formulation of methacrylate type.

Abstract: The object of the present invention is to provide an elastomer composite creating a molded article having excellent heat resistance, anti-leakage and needle retaining properties. To attain the object, the present invention provides an elastomer composite comprising 100 parts by mass of a block copolymer mixture containing 10 to 90 parts by mass of a block copolymer A, and 90 to 10 parts by mass of a block copolymer P, with the total amount of said block copolymers A and P being 100 parts by mass, 100 to 300 parts by mass of a softener B, having a kinetic viscosity in the range of between 50 and 500 centistokes (cSt) at 40° C., 1 to 50 parts by mass of a propylene polymer C, having a modulus in bending in the range of between 1000 and 3000 MPa, and 1 to 50 parts by mass of an aromatic polymer D.

Abstract: A thermoplastic composition comprises: a compatibilized blend of a poly(arylene ether), an aliphatic-aromatic polyamide and a polymeric compatibilizer; and an impact modifier; wherein the aliphatic-aromatic polyamide is composed of units derived from a dicarboxylic acid and units derived from a diamine and the units derived from a dicarboxylic acid comprise 60 to 100 mol % of units derived from terephthalic acid and the units derived from a diamine comprise 60 to 100 mol % of units derived from 1,9-nonanediamine, 2-methyl-1,8-octanediamine, or a combination of 1,9-nonanediamine and 2-methyl-1,8-octanediamine.

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: Injection stretch blow molded (ISBM) articles containing a bio-based polymers and methods of forming the same are described herein. The method generally includes providing a propylene-based polymer; contacting the propylene-based polymer with polylactic acid to form a polymeric blend; injection molding the blend into a preform; and stretch-blowing the preform into an article.

Abstract: The subject of the present invention is a semi-rigid or flexible and low-gloss impact-reinforced acrylic material. The acrylic material according to the invention comprises a nanostructured matrix constituted of at least one thermoplastic acrylic block copolymer and at least one highly crosslinked acrylic copolymer. The matrix comprises at least one thermoplastic acrylic block copolymer. The highly crosslinked acrylic copolymer comprises, as sole monomer or as predominate monomer, MMA, that is to say that it comprises, by weight, more than 50%, advantageously more than 65% of MMA. The acrylic material according to the invention comprises from 60% to 99% by weight of matrix for 40% to 1% by weight of crosslinked copolymer. These materials may be converted by injection molding, extrusion, co-extrusion, extrusion-blow molding for producing parts, profiles, sheets or films for example.

Abstract: The invention relates to a pressure-sensitive adhesive comprising at least 70 wt. % of a mixture of (i) block copolymers comprising a mixture of block copolymers having the structure I and II A?-B?, A-B-A, (A-B)n, (A-B)nX and/or (A-B-A)nX, where X is the residue of a coupling reagent, n is an integer between 2 and 10, A and A? are each a polymer block of a vinylaromatic, B and B? are each a polymer block formed from butadiene, a mixture of butadiene and isoprene and/or a mixture of butadiene and styrene and A and A?, and B and B?, may each be identical or different, (ii) at least one tackifier resin.

Abstract: Synthesized base resin compositions that include a raw resin and a maleimide and/or bismaleimide monomer as well as compounded varnishes that include a raw resin or synthesized base resin as well as a monomer, flame retardant and initiator as well as prepregs and laminates made using the synthesized base resin and compounded varnishes.

Abstract: A zwitterionic/amphiphilic pentablock copolymer was prepared using atom transfer radical polymerization (ATRP). The pentablock copolymer is prepared for the atom transfer radical polymerization of a PDMS-PEO-Br macroinitiator and SBMA. The pentablock copolymer is incorporated into a polyurethane coating composition which is useful for antifouling and/or fouling release applications.

Abstract: The invention relates to a composition including at least one elastomer and at least one supramolecular polymer. The supramolecular polymer is obtained by the reaction of at least one trifunctional compound (A), having first and second functions, with: at least one compound (B) having at least one reactive group capable of reacting with the first functions of (A) and at least one associative group; and at least one at least bifunctional compound (C) having functions capable of reacting with the second functions of compound (A) in order to form ester, thioester and amide bridges.

Abstract: A thermoplastic elastomer composition, containing a) 5 to 99 wt % of a block copolymer, which is constructed of hard blocks (A) made of vinyl aromatic monomers and one or more random soft blocks (B) of non-hydrogenated or hydrogenated block copolymer materials made of dienes and vinyl aromatic monomers, b) 1 to 95 wt % of a plasticizer having a higher polarity than white oil and a lower polarity than dinonyl adipate, c) 0 to 50 wt % of a polyolefin, and d) 0 to 60 wt % of additives, has advantageous properties in regard to processability.

Abstract: A process for encapsulating pigment dispersions is provided where a pigment is dispersed with a polymeric dispersant in an aqueous solvent system. An acrylate monomer and a polyurethane dispersion are added and the resultant mixture is polymerized. Optionally, the acrylate monomer/polyurethane mixture may be emulsified in water with an added surfactant or polymeric dispersant and up to 20% acrylic or other vinyl monomers based on the acrylate may be added to the acrylate monomer/polyurethane mixture before polymerization. Such encapsulated pigment dispersions may be used in inkjet inks and are stable to heat, aging test conditions, and solvent challenges. Prints from these inks have better durability.

Abstract: It is provided an implantable device including a polymer blend that contains a polymer formed of fluorinated monomers and hydrocarbon monomers and another biocompatible polymer.

Abstract: The invention relates to a polyamide moulding compound for producing moulded articles with a soft-touch surface, the polyamide moulding compound comprising a blend of an amine-terminated, amorphous polyamide and styrene-ethylene/butylene-styrene copolymer and also styrene-ethylene/butylene-styrene copolymer grafted with maleic anhydride. The invention relates furthermore to moulded articles which are produced with this moulding compound and the use thereof.

Abstract: Provided are a block copolymer and a thermoplastic elastomer composition each of which is excellent in both tensile strength and elastic recovery, and has good abrasion resistance. Specifically, provided are a hydrogenated block copolymer, which is obtained by hydrogenating a block copolymer having two or more polymer blocks (a) each containing a structural unit derived from an aromatic vinyl compound and one or more polymer blocks (b) each containing structural units derived from isoprene and 1,3-butadiene, in which the hydrogenated block copolymer has a crystallization peak temperature (Tc) defined as described below of ?3 to 15° C., and a thermoplastic elastomer composition containing the hydrogenated block copolymer: (crystallization peak temperature (Tc)) a peak top temperature of an exothermic peak observed when the temperature of a sample is increased from 30° C. to 150° C. at a rate of temperature increase of 10° C./min and then the sample is cooled to ?100° C.

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: The present invention provides an elastomeric composition for making elastomeric articles having at least one layer, such as but not limited to condoms, which have a deformation stress or modulus below about 1.5 MPa at 500% extension, comprising at least one polymeric material, at least one plasticizer and optionally at least one coating. The elastomeric articles also have unique tactile and tensile properties, such as conformability and low radius of curvature.

Abstract: The present invention provides an elastomer composition comprising a mixture (a) of a hydrogenated block copolymer (a-1) and a hydrogenated block copolymer (a-2); a polypropylene resin (b); and a hydrocarbon oil (c). The hydrogenated block copolymer (a-1) has a specific structure, a specified number average molecular weight and a specified block content. The hydrogenated block copolymer (a-2) has a specific structure, a specified number average molecular weight, a specified block content, a specified vinyl bond content before hydrogenation and a specified MFR. The polypropylene resin (b) has a specified MFR. The present invention also provides a storage cover of airbag devices which is made of the elastomer composition.

Abstract: A composition is described that includes at least one polyolefin, at least one thermoplastic bio-resin derived from starch or soy or both, and at least one compatibilizer having at least one polyolefin and at least one polar group. Surface coverings and floor coverings, such as laminated floor coverings, having the composition, are also described.

Abstract: An inverse dispersion comprising i) at least one anionic or one nonionic polymer obtainable by the polymerization of a) at least one anionic monomer and/or at least one nonionic monomer (compound A), b) optionally at least one crosslinker (compound B), c) optionally at least one chain transfer agent (compound C), ii) at least one stabilizing agent, wherein the stabilizing agent has one or more hydrophobic chains with more than 30 carbon atoms, iii) at least one non-aqueous carrier

Abstract: The invention relates to unique applications for the novel high melt flow, low viscosity, selectively hydrogenated styrene-butadiene-styrene (hSBS) or selectively hydrogenated controlled distribution styrene-butadiene/styrene-styrene (hSBSS) block copolymers, wherein the melt flow rate of said block copolymer is at least 100 g/10 min. at 230° C. under 2.16 kg mass according to ASTM D1238. These block copolymers are novel and have the highest melt flow rate of any styrenic block copolymer also possessing high strength and elasticity. It has applications that prior to the present invention were not normally possible due to the normal low melt flow rate of styrenic block copolymers. The present invention also encompasses various fields of use such as a fiberglass hSBS or hSBSS reinforced mat, low viscosity hSBS or hSBSS coatings for industrial uses, hot melt adhesives prepared from hSBS or hSBSS blended with polyalpha-olefins, and elastic film, fiber, and nonwoven constructions using hSBS or hSBSS.

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: A modified-asphalt composition prepared by introducing a diene end-capped block copolymer with a molten asphalt composition.

Abstract: The invention relates to a composition for a structural acrylic adhesive that comprises an adhesion promoter including a phosphate ester and a high molecular-weight polyamine as a polymerisation accelerator.

Abstract: A mixture which contains a) a copolymer or block copolymer A comprising one or more copolymer blocks (B/S)A which are respectively composed of from 65 to 95% by weight of vinylaromatic monomers and of from 35 to 5% by weight of dienes, and whose glass transition temperature TgA is in the range from 40° to 90° C., b) a block copolymer B comprising at least one hard block S which is composed of vinylaromatic monomers, and comprising one or more copolymer blocks (B/S)B which are respectively composed of from 20 to 60% by weight of vinylaromatic monomers and of from 80 to 40% by weight of dienes, and whose glass transition temperature TgB is in the range from ?70° to 0° C., c) a polystyrene C, and its use for the production of packaging for electronics components.

Abstract: The present invention relates to organic polymeric photon up-conversion nanoparticles for biological applications, such as labeling and/or detection of cells, biological (macro-) molecules or other analytes, as well as for sensing temperature, pressure, oxygen and other substances that influence the up-conversion process. It further relates to organic photon up-conversion nanoparticles for singlet oxygen generation and the treatment of diseases, such as cancer.

Abstract: A thermoplastic elastomer includes (A) a hydrogenated triblock copolymer, (B) a non-aromatic oil, (C) a polyolefin resin, (D) an inorganic filler, (E) a polyphenylene ether resin, and (F) a silicone resin. The thermoplastic elastomer can have good abrasion resistance and antimicrobial activity while possessing low hardness and high strength. Also provided is a molded article using the thermoplastic elastomer.

Abstract: The invention pertains to a thermoprocessable composition comprising: at least one thermoprocessable per(halo)fluoropolymer [polymer (A)]; at least one inorganic filler [filler (I)]; and at least one perfluoropolyether block copolymer [polymer (E)] comprising: A) one or more (per)fluoropolyoxyalkylene segment (chain Rf), that is to say a segment comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, and B) one or more polyalkylene segment (chain Ra) comprising recurring units of formula: —(CR1R2—CR3R4)— wherein R1, R2, R3, R4, equal to or different from each other, are selected from the group consisting of H, halogens (preferably F, Cl); C1-C6 (hydro)carbon groups, optionally containing fluorine or other heteroatoms, preferably perfluoroalkyl or (per)fluorooxyalkyl.

Abstract: Thermally sensitive polymers containing polymerizable carbon-carbon unsaturation and/or aliphatically bound halogen are devolatilized in a devolatilizing extruder. The thermally sensitive polymer is blended with a second polymer, which does not contain polymerizable carbon-carbon unsaturation or more than 5% by weight aliphatically bound halogen, and which has a molecular weight of from 25,000 to 175,000. The blend is then devolatilized in the extruder to produce a devolatilized polymer blend. Thermal degradation of the thermally sensitive polymer is minimized in this process.

Abstract: A polycarbonate resin composition includes: (A) an aromatic polycarbonate in an amount of about 5 to about 95% by weight, (B) a siloxane-based polycarbonate in an amount of about 5 to about 90% by weight, and (C) a syndiotactic polystyrene in an amount of 0 to about 5% by weight. The polycarbonate resin composition can have excellent flowability, injection moldability, impact strength, chemical resistance, and transparency.

Abstract: An adhesive composition having good balance in tackiness properties such as tack strength and retentivity, low melt viscosity, high processability, and high stability in melt viscosity under high temperature heating is provided. An adhesive composition containing two hydrogenated block copolymers and a predetermined tackifier is provided, the two hydrogenated block copolymers each having a different structure obtained by controlling the degree of hydrogenation of a block copolymer of a conjugated diene compound and a vinyl aromatic hydrocarbon in a particular range.

Abstract: Disclosed are oil-extended olefin block copolymer compositions with precipitated silica. The precipitated silica reduces oil-bleed while maintaining composition softness.

Abstract: A poly(phenylene ether)-poly(hydroxy ether) block copolymer is used to compatibilize blends of polar polymers and non-polar polymers. The resulting compatibilized blends exhibit physical property improvements relative to blends without a compatibilizer and blends with a poly(hydroxy ether).

Abstract: A composition comprising (1) a thermosettable resin selected from the group consisting of an epoxy resin, an epoxy vinyl ester resin, an unsaturated polyester resin or a mixture thereof, and (2) an amphiphilic mock copolymer dispersed in the thermosettable resin; fiber-reinforced plastics (FRP), coatings and composites prepared therefrom; and methods of preparing these.

Abstract: The invention relates to a biaxially oriented, single-layer microporous film which has a shut-off function and is made of propylene homopolymer, propylene block copolymer I and ?-nucleation agent. The melting range of the propylene block copolymer I starts at a temperature ranging from 50 to 120° C. The invention also relates to using the film as a separator in primary or secondary battery.

Abstract: A disk-like nanoparticle includes a core layer that comprises a cross-linked multi-vinyl substituted aromatic hydrocarbon and a shell layer that comprises tri-block copolymer chains, each having a first, a second, and a third block. The first and third blocks of the tri-block copolymer chains comprise vinyl aromatic monomer units and are crosslinked with the core. The second block comprises conjugated diene monomer units and comprises a top and bottom axial surface of the disk-like nanoparticle. In the case of a nanoparticle having A-B-C tri-block copolymer chains, the third block comprises a top and bottom axial surface of the disk-like nanoparticle.

Abstract: A two-part adhesive composition exhibiting improved elasticity wherein its composition includes one or more acrylate or methacrylate ester monomers, a sulfur bearing compound, preferably a sulfonyl chloride, an amine promoter, preferably, an amine aldehyde reaction product, and a thermoplastic block copolymer component selected from the group consisting of a. a linear styrene-butadiene-styrene copolymer b. a radial styrene-butadiene-styrene block copolymer with a plasticizer, c. a linear or radial styrene-isoprene-styrene block copolymer, and d. a linear or radial styrene-butadiene-isoprene-styrene block copolymer, and mixtures thereof.

Abstract: A polypropylene resin having: (1) a melt flow rate (MFR) of 6 to 100 g/10 minutes, (2) a molecular weight distribution (Mw/Mn), measured by gel permeation chromatography, of 3 to 6, and (3) a 116° C. non-eluted component content (100-W116(%)) of 50% or more and a content of components eluted at 90° C. or less (W90) of 10 to 30%, measured by temperature-rising fractional chromatography (TREF).

Abstract: The present invention provides weakly ionic polymeric additives that, when used in aqueous suspensions of commercial mineral fillers (dispersed with an anionic polymer), enable the introduction of organic or mineral salts in significant quantities without causing a destabilization of the medium. The suspension are useful in the formulation of a paper coating color designed for an application of the ink-jet type.

Abstract: Provided in this invention is an impact absorber composition comprising a copolymer containing an aromatic vinyl compound, wherein the peak of tan ? of the copolymer obtained from the measurement of the dynamic viscoelasticity is in the range of more than 0° C. to 20° C. or less, the value of tan ? is 0.4 or more in the whole temperature range of 5° C. to 15° C., and the value of tan ? at 15° C. is 0.5 or more.

Abstract: Injection molded articles and process of forming the same are described herein. The processes generally include providing a polyolefin including one or more propylene heterophasic copolymers, the polyolefin having an ethylene content of at least 10 wt. % based on the total weight of the polyolefin; contacting the polyolefin with a polylactic acid and a reactive modifier to form a compatiblized polymeric blend, wherein the reactive modifier is produced by contacting a polypropylene, a multifunctional acrylate comonomer, and an initiator under conditions suitable for the formation of a glycidyl methacrylate grafted polypropylene (PP-g-GMA) having a grafting yield in a range from 1 wt. % to 15 wt. %; and injection molding the compatibilized polymeric blend into an article.

Abstract: The object of the present invention is to provide an elastomer composite creating a molded article having excellent heat resistance, anti-leakage and needle retaining properties. To attain the object, the present invention provides an elastomer composite comprising 100 parts by mass of a block copolymer mixture containing 10 to 90 parts by mass of a block copolymer A, and 90 to 10 parts by mass of a block copolymer P, with the total amount of said block copolymers A and P being 100 parts by mass, 100 to 300 parts by mass of a softener B, having a kinetic viscosity in the range of between 50 and 500 centistokes (cSt) at 40° C., 1 to 50 parts by mass of a propylene polymer C, having a modulus in bending in the range of between 1000 and 3000 MPa, and 1 to 50 parts by mass of an aromatic polymer D.

Abstract: Crack and joint sealant and method, an embodiment of the crack and joint sealant having a composition that is both gray and meets certain ASTM standards.

Abstract: The polyphenylene ether according to the present invention includes 5 to 20% by mass of a component having a molecular weight of 50,000 or more and 12 to 30% by mass of a component having a molecular weight of 8,000 or less. The resin composition according to the present invention includes the polyphenylene ether (a) and a hydrogenated block copolymer (b) prepared by hydrogenating a block copolymer including at least two polymer blocks A having a vinyl aromatic compound and at least one polymer block B having a conjugated diene compound, wherein the number average molecular weight (Mnb) of the hydrogenated block copolymer is 100,000 or less, and the number average molecular weight (MnbA) of at least one polymer block of the polymer blocks A is 8,000 or more.

Abstract: A polyacrylamide-based composition as a microemulsion is provided in the form of a water-in-oil microemulsion with polyacrylamide dissolved in the water phase, and further comprising ethylene oxide-propylene oxide block copolymer. Specifically, the present invention includes, dissolved in the water phase, a polyacrylamide copolymer and an EO/PO block copolymer, with the water phase mixed with an oil phase. Preferably, the present invention may further comprise the presence of at least one fatty acid and/or at least one nonionic surfactant to stabilize the microemulsion. In addition, the present invention may further comprise effective amount of other components, such as pesticides and/or fertilizers, that may be delivered to trees, plants or other vegetation.

Abstract: Processes for encapsulating pigment dispersions is described and are used in inkjet inks providing stability with regard to heat aging test conditions and solvent challenges. Prints from these inks have better durability than prints made from dispersions that are not encapsulated.

Abstract: A polymer composition comprising a methacrylic resin (A) having not less than 50% by mass of repeated units derived from methyl methacrylate, a block copolymer (B) having a polymer block (a) composed of repeated units derived from an alkyl(meth)acrylate ester and a polymer block (b) composed of repeated units derived from a conjugated diene compound and flowable polyorganosiloxane (C), wherein the amount of the block copolymer (B) is 1 to 80 parts by mass relative to 100 parts by mass of the methacrylic resin (A), the amount of the flowable polyorganosiloxane (C) is 0.05 to 0.5 part by mass relative to 100 parts by mass of the block copolymer (B), and a phase composed of the block copolymer (B) is dispersed in a continuous phase composed of the methacrylic resins (A).

Abstract: The present disclosure provides an ink-jet ink made with a pigment dispersion containing a dispersant, and a pigment coated by a polymer that is cross-linked with a crosslinker. The polymer swells in an application medium resulting in improved stability for the pigment dispersion.

Abstract: The present invention is related to adhesive compositions and their applications. In particular, the adhesive compositions described herein comprise a two or more propylene-based copolymers with varying comonomer content.

Abstract: The invention relates to unique applications for the novel high melt flow, low viscosity, selectively hydrogenated styrene-butadiene-styrene (hSBS) or selectively hydrogenated controlled distribution styrene-butadiene/styrene-styrene (hSBSS) block copolymers, wherein the melt flow rate of said block copolymer is at least 100 g/10 min at 230° C. under 2.16 kg mass according to ASTM D1238. These block copolymers are novel and have the highest melt flow rate of any styrenic block copolymer also possessing high strength and elasticity. It has applications that prior to the present invention were not normally possible due to the normal low melt flow rate of styrenic block copolymers. The present invention also encompasses various fields of use such as a fiberglass hSBS or hSBSS reinforced mat, low viscosity hSBS or hSBSS coatings for industrial uses, hot melt adhesives prepared from hSBS or hSBSS blended with polyalpha-olefins, and elastic film, fiber, and nonwoven constructions using hSBS or hSBSS.