Abstract: Disclosed herein are polymers made from at least three monomers of formulae (I), (II), (III), and (IV) that may be used in pharmaceutical formulations. These polymers comprise a hydrocarbon backbone and are made from monomers that contain at least one carbon-carbon double bond. Methods of making the polymers are also disclosed.

Abstract: A process a process of forming a non-halogenated flame retardant hindered amine light stabilizer (HALS) impact modifier is disclosed. The process includes forming a mixture of monomers that includes an acryloyl-functionalized 2,2,6,6-tetramethylpiperidine (TMP) monomer, a styrene monomer, a butadiene monomer, and a phosphorus-functionalized monomer. The process also includes initiating a polymerization reaction of the mixture of monomers to form a non-halogenated flame retardant HALS impact modifier.

Abstract: Compositions may include a monomer, an organic crosslinker, an inorganic crosslinker, and an initiator. Furthermore, compositions may include at least one monomer and triethoxyvinylsilane (TEVS) to provide crosslinking among the at least one monomer.

Abstract: Provided is a polymer that contributes to the improvement of the durability and weather resistance of rubber compositions or rubber products such as a tire, and has low crystallinity. Disclosed is a multicomponent copolymer comprising a conjugated diene unit, a non-conjugated olefin unit, and an aromatic vinyl unit, wherein the multicomponent copolymer has a main chain consisting only of an acyclic structure, and the content of cis-1,4 bonds in the entire conjugated diene unit is 50% or more.

Abstract: A cellulose nanofiber (CNF) powder of the present invention contains cellulose nanofibers, and a hydrophobic polymer that is chemically bonded to at least some of the —OH groups of the cellulose nanofibers. The CNF powder has the ability to be dispersed in water and to return to a powder form again when an aqueous dispersion of the CNF powder is dried. The distance between the fibers in the CNF powder in a dry state is 3 nm or more, and preferably 8 to 12 nm. Since the distance between the fibers in the conventional cellulose nanofibers is about 1 nm, the present invention reduces the Van der Waals force between the fibers (i.e., the force of attraction between the fibers) to one millionth of that of the conventional cellulose nanofibers. Thus, the present invention provides the CNF powder that can be used in a powder form, and that can also be reversibly changed between a powder state and a dispersed state in water, and a method for producing the CNF powder.

Abstract: A polyisocyanurate-based coating for offshore applications is provided. The coating is a syntactic coating, obtainable by reacting a polyisocyanate compound with a compound containing isocyanate-reactive hydrogen atoms in the presence of a trimerisation catalyst and hollow objects, at an isocyanate index of at least and preferably more than 2000.

Abstract: The present disclosure relates to a polycarbonate resin and a method of preparing the same, has an effect of providing a polycarbonate resin having superior chemical resistance and wear resistance due to application of a predetermined comonomer thereto, and a method of preparing the same.

Abstract: A polyester-containing object, such as an injection stretch blow molded bottle, a biaxially oriented film or a drawn fiber, is made from melt-processing poly(ethylene-2,5-furandicarboxylate). The poly(ethylene-2,5-furandicarboxylate) has a number average molecular weight of at least 25,000, as determined by GPC based on polystyrene standards, and includes an antimony catalyst.

Abstract: A process for the manufacture of a block copolymer includes a reaction of a lactide monomers in the presence of a catalyst with a polymer to form the block copolymer having a lactic acid chain, wherein a polymer selected from polypropylene, polyethylene, polysiloxane, polybutylene succinate, polytrimethylene carbonate, polyester, polyether, polystyrene, polyisoprene, polycarbonate, polyalkylenecarbonate, polyvinyl alcohol, polyurethane, or polyacrylate; and wherein the polymer contains n number of OH and/or NH2 group(s), n is an integer greater than or equal to 1 and Moles ? ? of ? ? Lactide ( Moles ? ? of ? ? Compound * n ) ? 70 , and the reaction is performed at a temperature of at least 70° C. The process includes step of quenching of the reaction in order to form the lactic acid chains consisting of 70 or less of the lactide monomers, and the quenching agent is an acid chloride having a formula of Cl—CO—R9, wherein R9 is 1-pentenyl or aminoethyl.

Abstract: The present invention relates to the chemical digestion of keratin, such as avian feathers and wool. The digestion product is made by heating the feathers or wool with a solvent selected from glycols, alkanolamines, polyamines, and combinations thereof. The resulting digested keratin product is a keratin-derived polyol useful for making polymeric materials such as polyurethanes. The digestion products provide a sustainable alternative to petrochemical based intermediates.

Abstract: The present invention relates to a method for producing formaldehyde-alkylene carbonate copolymers comprising the step of reacting trimeric, oligomeric and/or polymeric formaldehyde with an alkylene carbonate in the presence of a catalyst. Said invention further relates to copolymers obtainable by this method and the reaction products thereof with polyisocyanates.

Abstract: Provided is a method of producing a branched polycarbonate, including: a step (a) of subjecting an alkali aqueous solution of a dihydric phenol, phosgene, and a branching agent to a phosgenation reaction in the presence of an organic solvent to provide a reaction liquid; a step (b) of adding the alkali aqueous solution of the dihydric phenol and a polymerization catalyst to the reaction liquid obtained from the step (a) to provide a reaction liquid containing a polycarbonate oligomer; a step (c) of separating the reaction liquid containing the polycarbonate oligomer obtained in the step (b) into an organic solvent phase containing the polycarbonate oligomer and an aqueous phase; and a step (d) of causing the organic solvent phase containing the polycarbonate oligomer separated in the step (c) and the alkali aqueous solution of the dihydric phenol to react with each other to provide a reaction liquid containing the branched polycarbonate, in which a ratio (x/y) of an addition amount of the polymerization catal

Abstract: The present invention relates to the field of polymerisation catalysts, and systems comprising these catalysts for polymerising carbon dioxide and an epoxide, a lactide and/or lactone, and/or an epoxide and an anhydride. The catalyst is of formula (I): wherein at least one of M1 or M2 is selected from Ni(II) and Ni(III)-X. A process for the reaction of carbon dioxide with an epoxide; an epoxide and an anhydride; and/or a lactide and/or a lactone in the presence of the catalyst is also described.

Abstract: The invention provides polymers comprising Formula I: wherein monomer is a repeating unit comprising 2, 3, 4, 5, 6 or 7 carbon atoms and the monomers are linked together through amide or ester bonds; n is about 6 to about 1000; and Linker is an optionally substituted carbon chain that is optionally interrupted by moieties such as oxygen, nitrogen, sulfur, phosphorus, or silicon. Charge is a moiety having a positive or negative charge on a heteroatom, such as nitrogen, oxygen, phosphorus, or sulfur; where the Linker separates the monomer and the Charge by at least six linear atoms. The invention also provides methods of preparing the polymers and the copolymers and methods of using the polymers and copolymers, for example, as drug delivery systems, as membrane penetrating peptides, and as therapeutic agents.

Abstract: The present invention provides a multicomponent composition that is substantially isocyanate-free and comprises a polycarbamate as a first component having a filler, pigment, extender or matting agent and a second component containing an acidic catalyst an alkanol having one OH group, a polyaldehyde and an acetal or hemiacetal of the polyaldehyde. The compositions are shelf stable and useful as two components and avoid problems caused by combining the catalyst with any filler, pigment, extender or matting agent.

Abstract: The invention relates to low molecular mass products and to the use thereof as reversible or permanent low-temperature crosslinkers in Diels-Alder reactions.

Abstract: The present invention provides methods for producing block copolymers, either by the sequential addition of monomers, or using a “one-pot” method. The invention also relates to novel methods for producing polyesters by ring opening lactides and/or lactones and by copolymerizing anhydrides and epoxides.

Abstract: A cross-linked rubber is excellent in both fuel oil resistance and cold resistance. A cross-linkable rubber composition contains: a nitrile group-containing copolymer rubber [A] including less than 30 wt % ?,?-ethylenically unsaturated nitrile monomer units (a1), conjugated diene monomer units (b1), and ?,?-ethylenically unsaturated dicarboxylic acid monoester monomer units (d1), wherein at least part of the conjugated diene monomer units (b1) is hydrogenated; a nitrile group-containing copolymer rubber [B] including not less than 30 wt % ?,?-ethylenically unsaturated nitrile monomer units (a2) and conjugated diene monomer units (b2), wherein at least part of the conjugated diene monomer units (b2) may be hydrogenated; and an amine-based cross-linking agent.

Abstract: The present invention generally relates to a thermoplastic resin which is functionalized by an initiator- or linker-free process and imparted with functional properties, and related methods of fabrication. In particular, the present invention relates to methods of covalently modifying the thermoplastic resin using plasma before or after being introduced with an active agent having said functional properties.

Abstract: Fiber reinforced composition comprising (a) a polypropylene random copolymer comprising ethylene and/or C4 to C8 a-olefin (PP-RACO), (b) glass fibers (GF), and (c) a polar modified polypropylene as adhesion promoter (AP), wherein (i) the polypropylene random copolymer comprising ethylene and/or C4 to C8 a-olefin (PP-RACO) heaving a melt flow rate MFR2 (230° C.) measured according to ISO 1133 of at least 2.5 g/10 min, (ii) the glass fibers (GF) are cut glass fibers and (iii) the polymer contained in the reinforced composition forms a continuous phase being the matrix of the fiber reinforced composition.

Abstract: The present invention relates to a process for producing a plastic composite component (CC) in which a first fiber material (F1) is impregnated with a polyamide matrix polymer (PAM) to obtain a matrix composition (MC), to which a surface composition (SC) is applied, and a first plastic component (C1) is obtained. In a second step, a second plastic component (C2) is molded onto the first plastic component (C1), giving the plastic composite component (CC). The invention further relates to the plastic composite component (CC) obtainable by the process of the invention. The present invention further provides for the use of polyethyleneimine (PEI) for improving the impregnation of the first fiber material (F1) with the polyamide matrix polymer (PAM).

Abstract: A film for a liquid packaging container, comprising at least one of a layer containing a resin composition (X) containing a polypropylene resin (a) and at least one of a hydrogenated block copolymer (b), the hydrogenated block copolymer (b) being a hydrogenated product of a block copolymer containing a polymer block (A) mainly containing an aromatic vinyl compound unit, and a polymer block (B) mainly containing an isoprene (Ip) unit, a butadiene (Bd) unit, or isoprene (Ip) and butadiene (Bd) units, in the resin composition (X), the hydrogenated block copolymer (b) having a phase separation structure having formed therein both (i) an island phase having a long axis of 1 ?m or more, or a bicontinuous structure, and (ii) an island phase having a long axis of 300 nm or less, and in the resin composition (X), the mass ratio ((a)/((a)+(b))) of the polypropylene resin (a) and the hydrogenated block copolymer (b) being from 61/100 to 95/100.

Abstract: The present invention pertains to a fluoropolymer hybrid organic/inorganic composite, to a process for manufacturing said fluoropolymer hybrid organic/inorganic composite and films and membranes thereof and to uses of said fluoropolymer hybrid organic/inorganic composite and films and membranes thereof in various applications.

Abstract: The invention provides a gas barrier film with low deterioration in the gas barrier property before and after high-temperature hot water treatment. The gas barrier film has a gas barrier coating film, formed as a composite film comprising a network structure having a mesh structure with Si—O—Si bonds as the basic lattice and a water-soluble polymer crystallized as microcrystals, incorporated into the mesh of the network structure, wherein a barrier coating agent, obtained by mixing a condensate solution of an alkoxysilane hydrolysate prepared as a mixed solution in which the proportion of bonded states of the silicon atoms of the condensate with Q1 and Q2 structures is at least 60% of the total silicon atoms, with a crystalline water-soluble polymer, is coated on a base material film, either after forming or without forming an aluminum oxide vapor deposition film, to form a coating layer.

Abstract: The invention relates to a method for the specific production of a polymer material doped by a first metal element, which is gold, and at least one second metal element, the first metal element and the at least one second metal element being identical or different from each other.

Abstract: Heat-expandable microspheres composed of a thermoplastic resin shell and a thermally-vaporizable blowing agent encapsulated therein, and having an average particle size ranging from 1 to 100 ?m. The amount of DMF-insoluble matter (G1) and the amount of DMF-MEK-insoluble matter (G2) constituting the heat-expandable microspheres satisfy 1.05<G2/G1. The expansion of the heat-expandable microspheres satisfy Hmax/Tmax?13 (?m/° C.) where Hmax and Tmax are as defined herein. Also disclosed in a process for producing the heat-expandable microspheres which includes preparing an aqueous suspension comprising oily globules dispersed in an aqueous dispersion medium containing a hydrophilic cross-linking agent, wherein the oily globules are made of an oily mixture comprising the blowing agent and a monomer component; and polymerizing the monomer component.

Abstract: A rubber composition comprises a reinforcing filler and a diene elastomer bearing imidazole functional groups along the chain which are randomly distributed along the chain. Such a composition exhibits an improved compromise in certain properties such as stiffness in the cured state and hysteresis.

Abstract: An object of the present invention is to: improve slowness of crystallization that is a drawback of polyhydroxyalkanoate; suppress bloom of a nucleating agent or the like; and improve surface smoothness and mold transferability of an obtained molded body. The present invention provides an aliphatic polyester resin composition including polyhydroxyalkanoate (A), pentaerythritol (B), and a filler (C).

Abstract: The resin molded article of the present invention comprises (B) 0.1 to 5 parts by mass of a sliding agent having a weight average molecular weight of 10,000 or less, and (C) 0.01 to 3 parts by mass of a coloring agent, based on (A) 100 parts by mass of a polyacetal resin, wherein a relative element concentration ratio between carbon and oxygen on a surface thereof [C/O] (atomic %) is 1.01 to 2.50.

Abstract: The present invention is related to improved phthalate-free polyvinyl chloride plastisol compositions for the production of decorative surface coverings, in particular floor and wall coverings with low emission of volatile organic compounds, to a method for the preparation of said phthalate-free PVC plastisols and to a process for the production of said surface coverings.

Abstract: The invention relates to a softener composition containing at least one tetrahydrofurane derivative and at least one 1,2-cyclohexane dicarboxylic acid ester, molding compounds which contain a thermoplastic polymer or an elastomer and said type of softener composition, and to the use of said softener compositions and molding compounds.

Abstract: A catalyst composition and a process for obtaining a colored olefin polymer are disclosed. The composition comprises a Ziegler-Natta catalyst and an additive component comprising a colorant. The catalyst composition enables a directly colored polymer to be prepared. The colored polymer has a homogeneous dispersion of the colorant in it and thus has no color defects.

Abstract: A grout compositions, storable with the exclusion of water, and crosslinkable upon ingress of water at room temperature is prepared by admixing a relatively minor proportion of a moisture-curable organopolysiloxanes, composition containing an alkoxysilyl-terminated, urethane-group-containing polymer and a silicone resin, with a major proportion of aggregate.

Abstract: The present invention is a resin composition comprising a transparent resin, and modified inorganic particles obtained by surface-modifying inorganic particles with a modifier, the transparent resin having a saturated water absorption at 37° C. of 0.015 to 0.25 wt %, the inorganic particles having an average particle size of 20 nm or less, and having a refractive index larger than that of the transparent resin by 0.40 or more, a modification ratio of the modified inorganic particles being 15 to 40 wt %, and the modifier being a compound represented by the formula (1) below. Here, R1 represents a hydrocarbon group having 12 to 18 carbon atoms, and X represents a functional group that forms a bond to the surface of the inorganic particles, or an atomic group that comprises the functional group. Also disclosed are a resin formed article and an optical part.

Abstract: A method for manufacturing a modified silica product includes admixing a mercapto silane and a silica to form a hydrophobated silica, and treating the hydrophobated silica with an oxidizing agent. Likewise, a method for manufacturing a silica masterbatch with the modified silica product includes the admixing a mercapto silane solution and a silica slurry to form a hydrophobated silica slurry, and then treating the hydrophobated silica slurry with an oxidizing agent to form a modified silica slurry. The modified silica slurry is blended with a rubber latex, which is then coagulated to form the silica masterbatch. Rubber formulations and articles manufactured with one of the modified silica product and the silica masterbatch are also disclosed.

Abstract: A thermoplastic sulfur-polymer composite comprises a thermoplastic polymer, such as polyethylene and polystyrene; and a sulfur element. Such sulfur element functions as passive sulfur filler in this composite. The thermoplastic polymer is a polymer matrix; and the sulfur filler is dispersed in the polymer matrix. There is no chemical reaction occurs after the addition of the sulfur filler into the host polymer and no chemical bond formed between the polymer and the sulfur filler. The thermoplastic sulfur-polymer composite can be a nanocomposite by either adding certain nanofillers into the composite or making the sulfur filler as sulfur nanoparticles. With its similar physical properties and lower manufacturing costs, the thermoplastic sulfur-polymer composites are good alternatives of the respective pure polymers.

Abstract: Polyurethane composites and methods of preparation are described herein. The polyurethane composites can comprise (a) a polyurethane formed by the reaction of (i) one or more isocyanates selected from the group consisting of diisocyanates, polyisocyanates, and mixtures thereof, and (ii) one or more polyols, (b) a particulate filler having a bulk density of 1 g/cm3 or greater, (c) optionally a fiber material, and (d) a lightweight filler having a bulk density from 0.01 g/cm3 to less than 1 g/cm3. In some examples, the lightweight filler can be selected from expanded perlite, expanded clay, foamed glass, and combinations thereof. Articles such as building materials comprising the polyurethane composites are also disclosed.

Abstract: Disclosed herein is a liquid pre-blend of starch and oil. The pre-blend comprises starch and oil and can be used (is suitable for use in) a rubber composition. Also disclosed is a process for preparing a starch-filled rubber composition and a starch-filled rubber composition wherein a filler dispersion of at least 90% is achieved.

Abstract: A wet mix elastomer composite comprising carbon black dispersed in an elastomer including a blend of a natural rubber and styrene-butadiene rubber. When the wet mix elastomer composite is processed with CTV Method 1, the vulcanized wet mix elastomer composite exhibits a resistivity that A) has a natural logarithm satisfying the equation ln(resistivity)??0.1(loading)+x, where x is 14, or B) is at least 2.9 times greater than the resistivity of a vulcanized dry mix elastomer composite having the same composition and prepared using Comparative CTV Method 1.

Abstract: A rubber composition for a tire comprises 100 parts by mass of a rubber component comprising diene rubber, and from 0.5 to 20 parts by mass of pellets comprising paper powder and starch and having water content of 5 mass % or more. A tire is provided with a tread rubber part comprising a foamed rubber formed by the rubber composition. A method for manufacturing a tire comprises mixing from 0.5 to 20 parts by mass of pellets comprising paper powder and starch and having water content of 5 mass % or more with 100 parts by mass of a rubber component comprising diene rubber to prepare a rubber composition, producing an unvulcanized tire using the rubber composition obtained, and vulcanization molding the unvulcanized tire.

Abstract: Polymeric blends of polystyrene (PS) and polylactic acid (PLA) are described, in the preparation of which a compatibilizing agent was added, preferably a PS-PLA block copolymer. Such compatibilizing agents act controlling phase separation of the blending compounds, and preventing excessive growth of polystyrene domains scattered in the PLA matrix; and this results in blends with good mechanical and thermal resistance.

Abstract: A pneumatic object or inflatable article is provided with a gastight elastomer layer. The gastight elastomer layer includes a thermoplastic polyisobutylene block elastomer and hot-melt polymer microdomains based on at least one thermoplastic material.

Abstract: Provided herein is a plastisol composition comprising a halogenated polymer and an ethylene carbon monoxide copolymer that is dispersed or dissolved in a liquid plasticizer. A process for producing the plastisol composition is further provided.

Abstract: Provided is a black photosensitive resin composition being microfabricatable due to its photosensitivity, allowing a cured film obtainable therefrom to be excellent in flexibility, being small in post-curing warpage of a substrate, being excellent in flame retardancy and electric insulation reliability, allowing a reduction in process contamination due to less outgassing during a reflow process, and avoiding a reduction in film thickness.

Abstract: An acrylic thermoplastic resin composition includes a first acrylic resin having a first structural unit represented by the following formula (1) and a second structural unit represented by the following formula (2), and a second acrylic resin having the first structural unit represented by the following formula (1) and a third structural unit represented by the following formula (3), in which a total content of the first unit is 50 to 95 mass % and a total content of the second structural unit and the third structural unit is 5 to 50 mass % based on a total amount of the first acrylic resin and the second acrylic resin:

Abstract: Compositions of polymer blends of polyvinylchloride (PVC) or polymethylmethacrylate (PMMA) or polyoxymethylene (POM) and polyhydroxyalkanoate (PHA) are described. In certain embodiments, the PHA is a poly-3-hydroxybutyrate-co-4-hydroxybutyrate copolymer having a weight percent 4-hydroxybutyrate of 30-45%. In other embodiments the PHA is a multiphase P3HB-4HB copolymer blend having one phase fully amorphous. The PHA is mixed with the PVC or PMMA or POM to optimize its optical, thermal and mechanical properties. In certain embodiments, the polymer is branched with optionally additives that improve properties. Methods of making the compositions of the invention are also described. The invention also includes articles, films and laminates comprising the compositions.

Abstract: An object of the invention is to provide a resin composition, from which a molded article having high durability, sliding property and wear resistance can be produced with a high productivity. The present invention provides a polyacetal resin composition containing 100 parts by mass of a polyacetal resin (A) and 10 parts by mass or more and 100 parts by mass or less of a glass filler (B), in which when a molded article formed of the polyacetal resin composition by molding is fractured by application of tensile force, the surface of the glass filler (B) protruding from a fractured surface of a fractured molded article is covered with a component containing the polyacetal resin (A) having an average thickness of 0.2 ?m or more and 3.0 ?m or less.

Abstract: An intermediate for a resin molded article includes a curable epoxy resin, a reinforcing fiber, and a resin including at least one of an amide bond and an imide bond.

Abstract: A highly thermally conductive thermoplastic resin composition of the present invention contains: (A) a thermoplastic polyester resin having a weight average molecular weight of 50,000 to 200,000; (B) a polyalkylene terephthalate block copolymer composed of a polyether segment and a polyethylene terephthalate segment which includes an ethylene terephthalate unit as a main component; and (C) a highly thermally conductive inorganic compound, the highly thermally conductive thermoplastic resin composition containing, with respect to 100 parts by weight of (A) the thermoplastic polyester resin, 20 parts by weight to 200 parts by weight of (B) the polyalkylene terephthalate block copolymer and 20 parts by weight to 250 parts by weight of (C) the highly thermally conductive inorganic compound.

Abstract: A polymer composition includes: about 20 wt % to about 80 wt % of a polycarbonate polymer; about 1 wt % to about 20 wt % of a polycarbonate-siloxane copolymer; about 15 wt % to about 35 wt % of a reinforcing filler having a tensile modulus of at least about 150 GPa; and about 4 wt % to about 20 wt % of a flame retardant comprising phosphorous. The polymer composition demonstrates a flexural modulus in an amount equal to or greater than about 10 GPa. Methods of forming a polymer composition and blended thermoplastic compositions are also described.