Abstract: A wax inhibitor composition, the composition having at least one alpha-olefin maleic anhydride copolymer of the formula: wherein R1 is selected from hydrocarbyl groups containing 10-30 carbon atoms, and R2 is selected from a hydrogen or hydrocarbyl groups containing 10-80 carbon atoms, and R2, if not hydrogen, is broadly dispersed, wherein R2 comprises a weight fraction of carbon numbers greater than 30, wherein R2 can be the same or different, and n is a number of repeating units ranging from 1 to 100.

Abstract: A method for stabilizing a natural rubber such as guayule. The method includes the step of introducing at least one of an Extraction Curves for Guayule Rubber Samples amine and a phenolic anti-oxidant, such as MADA, to a latex form of the rubber under conditions such that the anti-oxidant becomes chemically bound to the rubber. The method includes the further step of subsequently treating the rubber to remove at least a substantial portion of entrained resins. The method can yield a rubber composition of, for example, guayule rubber and including an anti-oxidant chemically bound thereto. The resultant rubber can be suitable for use in tire construction.

Abstract: The present invention relates to a method for purifying polyalkylene carbonate. More specifically, a method for purifying polyalkylene carbonate is provided, which uses a multistage extraction column having the number of stages of at least 10 stages, using water for effectively removing by-products such as alkylene carbonate generated in a process for producing polyalkylene carbonate resin, thereby controlling the content of by-products to a certain level or less through a continuous operation, particularly, the extraction is performed at room temperature, thereby easily removing by-products in the resin without a high temperature volatilization.

Abstract: The present invention relates to a method for obtaining rubber from rubber-containing plant material, the method comprising the steps of subjecting a composition comprising rubber-containing plant material and a fermentation culture to conditions allowing anaerobic fermentation, wherein the composition preferably has a water content of less than 95 wt. %. The fermentation preferably does not involve movement of the rubber-containing plant material (or parts thereof), and preferably the fermentation is performed in the absence of oxygen ventilation. Additionally, it is preferred that the fermentation culture is cycled through the composition by percolation. A further step of the method involves obtaining the rubber from the composition.

Abstract: A method for isolating a phenylene ether oligomer composition includes feeding a solution including a solvent and a phenylene ether oligomer into a thin film evaporator, forming a film on an interior surface of the thin film evaporator, and heating to devolatilize the solvent from the film, to provide a phenylene ether oligomer composition. The thin film evaporator includes cylindrical heating chamber and a rotor having one or more rotor blades, wherein an edge of the one or more rotor blades and the interior surface of the cylindrical heating chamber are separated by a distance of 0.5 to 3.5 millimeters. Phenylene ether oligomer compositions are also described.

Abstract: A method for producing a composition comprising polycarbodiimide, comprising the step of the reaction of a reaction mixture which contains an aromatic polyisocyanate and a carbodiimidising catalyst, wherein, before the reaction, the aromatic polyisocyanate is treated at a temperature of ?80° C. to ?150° C. and a pressure of ?1 mbar to ?500 mbar by passing through an inert gas and/or during the reaction, the reaction mixture is treated at a temperature of ?80° C. to ?150° C. and a pressure of ?1 mbar to ?500 mbar by passing through an inert gas and wherein the content of hydrolysable chlorine in the reaction mixture is ?10 ppm.

Abstract: A method of preparing an amorphous film of lithiated metal sulfide or oxysulfide of formula Li?M(O1-?S?)? using a lithiated target material: M being advantageously selected from the group comprising Al, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ge, Zr, Nb, Mo, Ag, Cd, In, Sn, Sb, Ta, W, Pb, Bi, and mixtures thereof; and ??0.5; 1????; 2??/???.

Abstract: An OLED comprising a hole-transporting layer and light-emitting layer wherein the hole-transporting layer comprises a hole-transporting polymer wherein no more than 5% of the polystyrene equivalent polymer weight measured by gel permeation chromatography consists of chains with weight of less than 50,000.

Abstract: A method for fabricating a doped conjugated polymer film includes the steps of: mixing a polar substance, a polar solvent and a doped conjugated polymer to form a doped conjugated polymer solution, and forming a conjugated polymer film with the doped conjugated polymer solution. In addition, a method for treating a doped conjugated polymer film includes the steps of: providing a doped conjugated polymer film, and adding a mixed solution which contains a polar substance and a polar solvent to the doped conjugated polymer film. In these cases, the polar substance is selected from the group consisting of formula (1), formula (2), inorganic acids, benzene-containing organic acids, or their combinations. The polar solvent is selected from the group consisting of water, ethers, alcohols, sulfoxides, alcohol ethers, ketones, amines, nitriles, carboxylic acids, amides, or their combinations.

Abstract: A photosensitive composition includes: (A) a resin containing a repeating unit corresponding to a compound represented by the following formula (I); the resin being capable of producing an acid group upon irradiation with an actinic ray or radiation: Z-A-X-B-R??(I) wherein Z represents a group capable of becoming an acid group resulting from leaving of a cation upon irradiation with an actinic ray or radiation; A represents an alkylene group; X represents a single bond or a heteroatom-containing divalent linking group; B represents a single bond, an oxygen atom or —N(Rx)-; Rx represents a hydrogen atom or a monovalent organic group; R represents a monovalent organic group substituted by Y; when B represents —N(Rx)-, R and Rx may combine with each other to form a ring; and Y represents a polymerizable group.

Abstract: The present invention relates to new condensation resins formed from urea, formaldehyde and CH-acidic aldehydes, to processes for preparing them, and to use thereof.

Abstract: There is provided a method for production of a high-purity biodegradable polyoxyethylene derivative on an industrial scale using a polyoxyethylene compound containing polylactic acid at the terminal thereof. A biodegradable polyoxyethylene compound represented by formula (1) and a compound represented by formula (I) are caused to react with each other at 60° C. to 120° C. using toluene as a solvent in the presence of sodium acetate to obtain a biodegradable polyoxyethylene derivative represented by formula (2).

Abstract: Provided by the invention is a compound containing an imido group that is obtained by partial hydrolysis of a polyimide molded article, in which the compound has an absorption peak derived from an imido group at wave number of 1375 cm?1, an absorption peak derived from an amide group at wave number of 1600 cm?1, and an absorption peak derived from a carboxyl group at wave number of 1413 cm?1 in the IR spectrum chart obtained by IR spectroscopic measurement.

Abstract: The present invention relates to a process for preparing high-functionality polyetherols by reacting at least one trifunctional or higher-functionality alcohol and if appropriate further di- and/or monofunctional alcohols and/or modifying reagents, with the aid of acidic catalysts, where the trifunctional or higher-functionality alcohol is not glycerol. The present invention further relates to high-functionality polyetherols obtainable by such a process and to the use of these high-functionality polyetherols as adhesion promoters, thixotropic agents, rheology modifiers of polymers, phase transfer reagents, micro- or nanocontainers for biologically active compounds, for example for active medical ingredients, biocides, herbicides or fungicides, as pigment dispersants, an additive in printing inks or as structural units for preparing polyaddition or polycondensation polymers or for treatment of seed.

Abstract: Methods for forming a low chlorine content washed polyarylene sulfide are described. Methods include washing a polyarylene sulfide that includes aryl halide endgroups with a solution that includes a disulfide compound. The solution can also include a catalyst and an organic solvent. During the disulfide wash, a nucleophilic substitution reaction occurs between the disulfide compound and aryl halides endgroups of the polyarylene sulfide. The nucleophilic substitution reaction is carried out at conditions to prevent chain scission of the polyarylene sulfide that includes the aryl halide endgroups. Compositions and products formed with the low chlorine content disulfide washed polyarylene sulfide are also described.

Abstract: A thermoplastic molding composition, comprising: A) from 40 to 97.9% by weight of at least one polyether sulfone, B) from 2 to 59.9% by weight of at least one polysulfone, C) from 0.1 to 2% by weight of stearic acid, and also, if appropriate, further additives and auxiliaries, has improved flowability, surface quality, and notched impact resistance, and can be used for the construction of headlamps.

Abstract: Disclosed are terminal-modified difunctional sulfur-containing polymers that are the reaction products of a sulfur-containing diol, an aldehyde or a ketone, and a compound containing a functional group. Compositions comprising the terminal-modified difunctional sulfur-containing polymers useful as sealants are also disclosed.

Abstract: Compositions containing a turpentine liquid and methods are disclosed for dissolving, dissolving via melting, selectively dissolving via melting, decomposing plastic comprising a chlorine-containing polymer or thermosetting polymer, and/or co-dissolving plastic with fossil fuel for purifying, separating, recovering or recycling plastic-containing material.

Abstract: The invention relates to a process for working up particulate crude polyoxymethylene, which comprises the following steps: (a) introduction of the particulate crude polyoxymethylene into an extraction column (13) operated at a pressure in the range from 1 to 6 bar, (b) introduction of a polar extractant into the extraction column (13) with a temperature in the range from 95 to 140° C. and a pressure in the range from 1 to 6 bar, wherein from 10 to 1000 ppm, based on the amount of polar extractant introduced, of a buffer substance which buffers in the pH range from 7.5 to 11.5 are introduced into the extraction column (13).

Abstract: Provided are methods for obtaining modified polyarylene sulfide compositions having improved thermal and thermo-oxidative stability, the compositions so obtained, and articles comprising the compositions. The method comprises the steps of contacting, in the presence of a suitable solvent, a polyarylene sulfide with at least one reducing agent and at least base to form a first mixture. The reducing agent comprises zinc(0), tin(0), tin(II), bismuth (0), bismuth(III), or a combination thereof. The first mixture is heated to form a second mixture in which the polyarylene sulfide is dissolved. The polyarylene sulfide is then precipitated to obtain a modified polyarylene sulfide.

Abstract: Porous networks are described linked by boronates. Also described are processes for producing the porous networks. The porous networks are formed by reacting a polyboronic acid with itself or with a polydiol, a polydiamine, or a polyamino alcohol. The resulting boronate linkage is covalently bonded. The characteristics and properties of the resulting porous material can be varied and altered by changing the reactants and by incorporating functional groups into the reactants. Of particular advantage, the porous materials can be formed at or near atmospheric pressure and at low temperature in the presence of one or more solvents.

Abstract: Processes for recovering natural rubber from an aqueous natural rubber latex that contains extractables and one or more additives and that is essentially free of lignocellulosic plant material are described. Natural rubber in the latex is separated from the water. Preferably, the amount of non-rubber extractables in the natural rubber is reduced by one or more extraction steps yielding a dried natural rubber.

Abstract: Disclosed are terminal-modified difunctional sulfur-containing polymers that are the reaction products of a sulfur-containing diol, an aldehyde or a ketone, and a compound containing a functional group. Compositions comprising the terminal-modified difunctional sulfur-containing polymers useful as sealants are also disclosed.

Abstract: A compound comprises a polymeric chain with a repeat unit repeated more than 5 times. The repeat unit comprises conjugated first and second cyclic groups and a plurality of side groups each bonded to one of the cyclic groups. A side group bonded to the first cyclic group is an electron donor and a side group bonded to the second cyclic group is an electron acceptor, such that the compound is switchable between first and second electrical conductive states by application of an electric field to the compound. At least one of the side groups is selected so that the compound is soluble in an organic solvent. The compound may be used in films, memory cells, or electronic devices. A layer of the compound may be formed on a surface by dissolving the compound in an organic solvent, applying the solution to the surface, and then removing the solvent.

Abstract: A polymer comprising sulfone groups, ketone groups and optionally substituted polyarylene groups, wherein the number of moles of sulfone groups over the number of moles of ketone groups ratio is greater than 1. A process for making such polymer, a composition comprising such polymer, and articles made therefrom.

Abstract: A bodied siloxane resin comprises M, Q, and T-propyl units and is capped with additional M units. The bodied siloxane resin contains less silanol groups than the bodied siloxane resin before being capped with additional M units.

Abstract: Disclosed are terminal-modified difunctional sulfur-containing polymers that are the reaction products of a sulfur-containing diol, an aldehyde or a ketone, and a compound containing a functional group. Compositions comprising the terminal-modified difunctional sulfur-containing polymers useful as sealants are also disclosed.

Abstract: The present invention relates to a method for decomposing, in the presence of subcritical water, a thermosetting resin comprising a polyester moiety and a crosslinking moiety therewith to provide a compound comprising an acid residue derived from the polyester moiety and a residue derived from the crosslinking moiety, and collecting the compound in an efficient yield, specifically, which comprises steps of: (I) decomposing the thermosetting resin in the presence of subcritical water to provide a solid comprising a compound comprising an acid residue derived from the polyester moiety and a residue derived from the crosslinking moiety, (II) subjecting the solid to an organic solvent to dissolve the compound into the organic solvent, wherein the organic solvent has a higher solubility which can dissolve the compound than that of water, and (III) collecting, separating or isolating the compound from the organic solvent.

Abstract: This invention is made to provide a formed article which ensures, for example, that an active substance included therein and a substance outside capsules can effectively come in contact with each other without suffering influences such as a pressure loss. This invention is a formed article having a plurality of cells formed in a polymer (A), (1) each cell including an active substance, (2) the polymer (A) having pores, each pore communicating with other pores and having a diameter in the range of 1 nm to 1 ?m, and (3) the internal wall of each cell and the active substance being substantially not in contact with each other.

Abstract: The present invention relates to a novel porous film material which comprises at least one carbonaceous semimetal oxide phase, and to a process for production thereof. The invention also relates to the use of these porous film materials as a separator layer or for production of such separator layers in electrochemical cells, particularly in lithium cells and especially in lithium secondary cells.

Abstract: A composition used for preparing foaming material comprising a polyhydroxyalkanoate, a polylactic acid and a foaming agent, which posses certain tensile strength, elongation in break and expansion ratio as well as full bio-degradability, thus can be used in packaging industry.

Abstract: The invention relates to block polymers, for example, arborescent copolymer compounds, and to methods of making and purifying such compounds. In one embodiment, the invention relates to arborescent polymer compounds that contain one or more styrene polymeric blocks in combination with one or more isobutylene polymeric blocks. In another embodiment, the invention relates to methods for purifying arborescent polymer compounds that contain at least one styrene polymeric block in combination with at least one isobutylene polymeric block.

Abstract: Process for the production of di- and poly(diamino diphenyl methane) comprising the steps of (a) reacting aniline and formaldehyde in the presence of an acid catalyst to produce a reaction mixture containing di- and polyamines; (b) neutralizing the reaction mixture containing di- and polyamines; (c) separating the neutralized reaction mixture into an organic phase containing di- and polyamines and an aqueous phase; (d) further treating the organic phase separated off in step (c) by (d1) washing with water followed by (d2) separating the washed mixture into an organic phase and an aqueous phase and (d3) further fractionation of the organic phase to produce purified di- and polyamines on the one hand and aniline/water on the other hand; (e) further treating the aqueous phase separated off in step (c) by (e1) washing with aniline followed by (e2) separating the washed mixture into an aqueous phase and an organic phase and (e3) further treatment of the aqueous phase to remove the aniline thereby leaving an efflu

Abstract: A method for producing a biodegradable polyoxyalkylene derivative, includes: reacting a biodegradable polyoxyalkylene compound represented by the formula (1) as defined herein with a compound represented by one of the formulae (I) to (IV) as defined herein in a presence of an alkaline solid salt, the biodegradable polyoxyalkylene derivative being represented by the formula (2) as defined herein.

Abstract: Disclosed are terminal-modified difunctional sulfur-containing polymers that are the reaction products of a sulfur-containing diol, an aldehyde or a ketone, and a compound containing a functional group. Compositions comprising the terminal-modified difunctional sulfur-containing polymers useful as sealants are also disclosed.

Abstract: Method for the recycling of polyvinyl butyral based on obtaining recycled polyvinyl butyral (PVB) from laminated glass which is shattered and the polyvinyl butyral (PVB) is separated. The sheet obtained is cut into pieces and cleaned to eliminate dirt and foreign matter. The solid state PVB is subjected to a first polyvinyl butyral (PVB) purification stage with a chemical treatment with a first reagent and a final chemical treatment with a second reagent. The obtained purified polyvinyl butyral is suitable to be used in the manufacture of laminated glass.

Abstract: Process for recovering a polymer by injection of steam, and optionally liquid water, into a solution of this polymer comprising a polar aprotic organic solvent (PAOS) that has an azeotrope with water and an apolar organic compound that is miscible with the PAOS and immiscible with water and that acts as a phase separation agent (PSA), the boiling point of which is below that of the water/PAOS azeotrope, the amount of steam injected being sufficient to give rise to the substantial removal of the PSA via stripping and that of the PAOS via azeotropic distillation, and the total amount of water being sufficient to give rise to the precipitation of the polymer, this process being characterized in that the polymer solution also comprises an alcohol, at least during the precipitation of the polymer.

Abstract: What is disclosed is a water-based adhesive composition that is an aqueous dispersion or emulsion of a polymer component having functional groups that are inactive in a reversible manner in the adhesive composition as prepared; and a water-soluble, or water emulsion, or dispersion of a cross linker component having functional groups wherein the functional groups are inactive in a reversible manner in the adhesive composition as prepared. Preferably the adhesive composition has a pH of from 7 to 11 and a volatile stabilizing base component is used to inactivate the functional groups and to provide the pH. The functional groups in the polymer component and the cross linker component are activated when the volatile base is removed during lamination heat treatment. The adhesive composition can be used to adhere a variety of plastic films to metal substrates without reliance on non-water-based adhesives.

Abstract: Provided is a high temperature-resistant metal adhesive containing hyperbranched poly(triazole)s synthesized by in situ azide/alkyne click polymerization. Also provided is a method for preparing the same adhesives by in situ click polymerization of azide and alkyne monomers on metal substrates. The method is optimized to get high adhesive strength at room temperature or elevated temperatures by analyzing the effects of monomer ratio, curing temperature and time, and annealing temperature and time. The hyberbranched poly(triazole)s adhesive has comparable or better temperature resistance compared with known high temperature epoxy metal adhesives, and it is the first high temperature metal adhesive using hyperbranched poly(triazole)s prepared by in situ azide/alkyne click polymerization.

Abstract: A method of reducing an odor of composite resin particles comprising the step of: fluidizing the composite resin particles, which contain a polyolefin-based resin and a polystyrene-based resin and which are used for producing an expanded molded article, in a container with a gas that is blown thereinto from its bottom and that has a temperature of (T?40)° C. to (T?10)° C. (T is a softening temperature of the composite resin particles), to reduce the odor generated from a raw material of the composite resin particles and generated according to a method of the composite resin particles, wherein the composite resin particles whose odor is reduced are impregnated with a blowing agent; and the resultant is pre-expanded and then subject to an in-mold forming to make the expanded molded article have an odor strength of 3 or less in average value in odor test in which odor of an isovaleric acid diluted 100000 times is defined as 3, which means a reference odor, within 0 to 5 levels of the odor strength.

Abstract: Provided herein are methods for the preparation of telechelic polyolefins via polymerization reaction with a terpene initiator.

Abstract: Methods and apparatus for the recovery and purification of solid salt compositions from an organic liquid containing epoxy resin and at least one of epihalohydrin and solvent to obtain purified salt and/or brine compositions that may be useful in industrial processes.

Abstract: Process for recycling a fiber reinforced polymer article, according to which the article, eventually cut in fragments, is dissolved in a solvent capable of dissolving the polymer but not the fibers and which is susceptible of forming an azeotrope with water, forming a solution; the fibers are recovered from the solution; the fibers are washed with solvent by putting them in the form of a slurry in the solvent and by agitating the slurry and/or by making the solvent circulate through it; the washed fibers are recovered from the slurry; and the recovered fibers are submitted to a stripping with steam in order to substantially remove the solvent.

Abstract: A method for separating a polymer from carbon black in devulcanized rubber, the method comprising steps of inserting devulcanized rubber into a bath of a solvent, dissolving a polymer out of the devulcanized rubber and into a solution of the solvent and the polymer, removing the solution from the bath without disturbing an un-dissolved residue comprising carbon black, and recovering the un-dissolved residue.

Abstract: Disclosed is a phosphorous containing phenol novolac resin, having a structure as below: In the above formula, Z is selected from — or —CH2—. Each Y is independently selected from —, —CH2—, —C(CH3)2—, —S—, —SO2—, —O—, —CO—, or —N?N—. Each X is independently selected from a hydrogen or phosphorous containing group, wherein the hydrogen and phosphorous containing group have a molar ratio of 1:0.1 to 0.1:1. Each R1 is independently selected from a hydrogen or C1-5 alkyl group. Each R2 is independently selected from a C1-5 alkyl group. m is an integer of 1 to 10, and n is 0 or 1.

Abstract: The invention relates to block polymers, for example, arborescent copolymer compounds, and to methods of making and purifying such compounds. In one embodiment, the invention relates to arborescent polymer compounds that contain one or more styrene polymeric blocks in combination with one or more isobutylene polymeric blocks. In another embodiment, the invention relates to methods for purifying arborescent polymer compounds that contain at least one styrene polymeric block in combination with at least one isobutylene polymeric block.

Abstract: One aspect of the present invention includes a swellable sol-gel composition including a plurality of interconnected organosilica nanoparticles. Another aspect of the present invention includes a swellable composite including a plurality of interconnected organosilica nanoparticles and a particulate material capable of binding to or reacting with a non-polar or organic sorbate. When dried, the sol-gel composition and the swellable composite may be capable of swelling to at least twice their dried volume when placed in contact with a non-polar or organic sorbate.

Abstract: Norbornene monomers with epoxy groups and polymer materials thereof are disclosed. The Norbornene monomers with epoxy groups are prepared by Diels-Alder reaction. The Norbornene monomers with epoxy groups are highly active for ring-opening-metathesis polymerization (ROMP), and the molecular weight and PDI value of the obtained polymers are controllable.

Abstract: An ionically conductive polymer has the chemical structure 1 as shown herein. Examples of the polymer include 4,4?-(4-(1H-benzo[d]imidazol-2-yl)butane-2,2-diyl)diphenol, sulfonated poly(aryl ether sulfone) containing benzimidazole backbone, sulfonated poly(aryl ether sulfone) containing carboxylic acid backbone, and sulfonated poly(aryl ether sulfone) containing benzimidazole backbone from carboxylic acid containing sulfonated poly(aryl ether sulfone). The polymer has intrinsic ion conducting properties so that it is effectively conductive even under low water conditions. In one embodiment, the polymer has an ionic conductivity of at least 1×10?5 S/cm at a temperature of 120° C. when the polymer is substantially anhydrous.

Abstract: The invention relates to a biocompatible, non-biodegradable, and non-toxic polymer of formula (I), comprising of three monomeric units, selected from 1-Vinylpyrrolidone (VP), N-Isopropylacrylamide (NIPAM), and ester of Maleic anhydride and Polyethylene glycol (MPEG), cross-linked with a bi-functional vinyl derivative, of high purity and substantially free of respective toxic monomeric contaminants, and a process for preparation thereof. The invention further relates to nanoparticulate pharmaceutical compositions of poorly water-soluble drugs or compounds comprising the polymer of the invention, which are safe, less-toxic and convenient for bedside administration to patients in need thereof. Furthermore, the invention relates to a highly selective method for preparation of nanoparticulate pharmaceutical compositions of poorly water-soluble drugs or compounds.