Abstract: A resin composed of a particular polymer, the particular polymer including a repeating unit containing a structure derived from a dehydroabietic acid, a specific structural unit, and a specific aromatic ring-containing structural unit in the main chain.

Abstract: An object of the invention is to provide a polymerizable compound having small refractive index anisotropy and having high storage stability and high alignment properties when constituting a polymerizable liquid crystal composition, and provide a polymerizable liquid crystal composition containing the polymerizable compound. Further, the object is to provide a polymer produced by polymerizing the polymerizable liquid crystal composition and an optically anisotropic body including the polymer. The present invention provides a polymerizable compound represented by general formula (I), a polymerizable liquid crystal composition containing the compound as a constituent component, and further provides a polymer produced by polymerizing the polymerizable liquid crystal composition and an optically anisotropic body including the polymer.

Abstract: Continuous process of forming aliphatic polyesters The process includes continuously providing cyclic ester monomer and polymerization catalyst to a continuous mixing loop reactor (CMLR) having static mixing elements and operated at a temperature between 100 and 240° C. to form a pre-polymerized reaction mixture. The conversion is between 40 and less than 90 wt. %, wherein the cyclic ester monomer comprises lactide having a free acid content lower than 50 milli-equivalents per kg. The pre-polymerized reaction mixture is continuously provided to a plug flow reactor that is a static mixer reactor having static mixing elements and is operated at a temperature between 110-240° C., wherein the reaction mixture is polymerized to a conversion of at least 90%, to form polymer wherein the flow ratio of the CMLR and the plug flow reactor is between 1.5 an d50. The process includes continuously removing polymer from the plug flow reactor devolitizing the polymer.

Abstract: Disclose herein are compositions of matter comprising at least one hydrocarbon solvent in between 1-50%, at least one surfactant in between 1-50%, and/or at least one aromatic solvent in between 1-75%. In addition, disclosed herein is a method of cleaning rollers, plates, or blankets of a printing machine with a cleaning mixture, the method comprising contacting the rollers or blankets with the cleaning mixture, wherein the cleaning mixture comprises a hydrocarbon solvent, an aromatic solvent, a methylated siloxane, and a surfactant.

Abstract: A method of making a resin, includes forming an aqueous monomer droplet suspension, and colloidally stabilizing the suspension with a solid particulate material as the first stabilizer and poly(2-ethyl-2-oxazoline) as a second stabilizer. The method further includes heating the colloidally stabilized suspension to polymerize the monomer droplets, thereby forming the resin.

Abstract: Cationic acrylamide copolymers have been designed and synthesized for highly efficient delivery of nucleic acids to cells in biological systems, specifically for in vitro cell transfection research.

Abstract: Provided is a polymer composition for use in the production of a crosslinked polymer having excellent tensile strength and abrasion resistance. A polymer composition comprising a polymer having multiple anionic functional groups and a polymer having multiple nitrogenated functional groups each represented by formula (1). The anionic functional groups are at least one group selected from a carboxy group, a sulfo group and a phosphate group. In one embodiment, each of the nitrogenated functional groups represented by formula (1) is bound to a structure derived from a conjugated diene compound or a structure derived from an aromatic vinyl compound.

Abstract: Aliphatic-aromatic copolyester comprising the repeating units, which comprise a dicarboxylic component and a dihydroxylic component: —[—O—(R11)—O—C(O)—(R13)—C(O)—]— —[—O—(R12)—O—C(O)—(R14)—C(O)—]—. The dihydroxylic component comprises units —O—(R11)—O— and —O—(R12)—O— from diols, wherein R11 and R12 individually are selected from C2-C14 alkylene, C5-C10 cycloalkylene, C2-C12 oxyalkylene, heterocycles and mixtures thereof. The dicarboxylic component comprises units —C(O)—(R13)—C(O)— from aliphatic diacids and units —C(O)—(R14)—C(O)— from aromatic diacids, wherein R13 is C0-C20 alkylene and mixtures thereof. The aromatic diacids comprise at least one heterocyclic aromatic diacid of renewable origin, and preferably furandicarboxylic acid. The molar percentage of the aromatic diacids is >90% and <100% of the dicarboxylic component. The aliphatic-aromatic copolyester has appreciable workability, toughness and high values for ultimate tensile strength and elastic modulus.

Abstract: The invention relates to a polymer (P) comprising at least one photoinitiator moiety (PI) and at least one dye moiety (DYE), wherein said at least one photoinitiator moiety (PI) and at least one dye moiety (DYE) are covalently linked to said polymer (P). Additionally, the invention relates to said polymer (P) being end-functionalized with optionally substituted acryloyi groups. The fact that both of these moieties are tightly bonded within the polymer, and the cross-linked polymer, means that the opportunities for leaching/migration of these components is reduced or even eliminated. Inks comprising at least one of said polymers are also provided. Methods for the manufacture of the polymers, and for printing are provided.

Abstract: A process for the production of a flame-retardant polymer is disclosed. The process includes reacting a triol with an organophosphate monochloride material to produce a phosphorus-functionalized hydroxyl material. The process further includes reacting the phosphorus-functionalized hydroxyl material with a polycarboxylic acid to form the flame-retardant polymer. Phosphorus is chemically bound to a polymer chain of the flame-retardant polymer.

Abstract: An object of the invention is to provide a curable composition having a HALS skeleton and capable of producing polymers having excellent weather resistance and outer appearance. The present invention provides a curable composition including at least a monomer component that contains a monomer (A) represented by a certain formula and a monomer (B) polymerizable with the monomer (A). In the curable composition, the content of the monomer (A) is 0.01 to 35 mol % in the monomer component, and the content of the monomer (B) is 65 to 99.99 mol % in the monomer component.

Abstract: A coating composition comprises an emulsion copolymer of a monomer mixture comprising at least one vinyl ester, ethylene, and a stabilizing system. The stabilizing system comprises at least one polyvinyl alcohol. The monomer mixture comprises from 60 to 82 wt % of the at least one vinyl ester and from 18 to 40 wt % of the ethylene based on the total weight of monomers in the mixture. The stabilizing system comprises from 1 to 5 wt % of at least one medium molecular weight polyvinyl alcohol and at least one low molecular weight polyvinyl alcohol. The emulsion copolymer has a solids content from 50% to 60% and a viscosity ranges from 500 to 6,000 mPa·s. and a formaldehyde content of less than 10 ppm as determined by HPLC.

Abstract: The present invention provides a polymer compound for a conductive polymer, containing one or more repeating units (a) represented by the following general formula (1), the polymer compound for a conductive polymer being synthesized by ion-exchange of a lithium salt, a sodium salt, a potassium salt, or a nitrogen compound salt of a sulfonic acid residue, and having a weight average molecular weight in the range of 1,000 to 500,000. There can be provided a polymer compound for a conductive polymer having a specific superacidic sulfo group which is soluble in an organic solvent, and suitably used for a fuel cell or a dopant for a conductive material.

Abstract: The present disclosure relates to an aqueous dispersible polymer composition comprising: (a) at least one of: (i) a dendritic polymer in admixture with a hydrophilic functionalizing agent; and (ii) a hydrophilic functionalized dendrimer; and (b) a non-dendritic polymer capable of forming bonds with said dendritic polymer to thereby form a dendrimer-non-dendrimer (DND) polymer hybrid that is dispersible in the aqueous phase, methods of forming the same and uses thereof.

Abstract: The present invention is directed to plant fiber-reinforced biocomposite thermoplastic and/or resin compositions and a method for reinforcing thermoplastic resins. The present invention provides a use for the cellulose portion of a plant material, which is the portion left over after processing the selected plant materials to separate the cellulose in a mechanical process that does not damage the internal molecular structure of the cellulose fraction, enabling the cellulose fraction to chemically bond with the thermoplastic resin to enhance the reinforcement of the resin or thermoplastic biocomposite composition.

Abstract: This ferroelectric thin film-forming sol-gel solution contains: a PZT-based compound; a high-molecular compound used to adjust the viscosity containing polyvinyl pyrrolidone; and an organic dopant containing N-methyl pyrrolidone, in which the amount of the PZT-based compound is greater than or equal to 17 mass % in terms of oxides, the molar ratio (PZT-based compound:polyvinyl pyrrolidone) of the polyvinyl pyrrolidone to the PZT-based compound is 1:0.1 to 1:0.5 in terms of monomers, and the amount of the organic dopant containing N-methyl pyrrolidone in the sol-gel solution is 3 mass % to 13 mass %.

Abstract: It is an object of the present invention to provide a material composition for a bulk-heterojunction-type organic photoelectric conversion layer having high photoelectric conversion efficiency and durability through formation of a stable phase-separated structure by drying in a short time with high productivity and to provide an organic photoelectric conversion element, a method of producing the organic photoelectric conversion element, and a solar cell. The material composition for an organic photoelectric conversion layer contains at least a p-type conjugated polymer semiconductor material being a copolymer having a main chain including an electron-donating group and an electron-withdrawing group, an n-type organic semiconductor material having electron acceptability, and a solvent. The solvent is represented by a general formula (1).

Abstract: This invention relates to cyanoacrylate-containing compositions, which when cured provide improved heat resistance.

Abstract: An aqueous liquid medium for analyzing, purifying or separating species in an element having walls or for treating the walls of an element. The medium includes at least a polymer consisting of several polymeric segments. The polymer is of the irregular block-copolymer or irregular comb-like polymer type and has on the average at least three junction points between polymeric segments of different chemical or topological nature. The medium may be used in methods for analyzing, purifying or separating species and methods for treating an element to be contacted with a fluid and/or species contained in the fluid during preservation, transport, analysis, purification or separation of the fluid.

Abstract: Tire treads and tires having such tire treads are included, such treads manufactured with a rubber composition that includes mostly, if not entirely, a polybutadiene rubber having cis-1,4 bond content of at least 95%. The rubber composition further includes between 60 phr and 95 phr of a plasticizing resin having a Tg of at least 25° C. and between 0 phr and 15 phr of a liquid plasticizer. Additionally the rubber composition is reinforced with at least 90 phr of a silica reinforcing filler. Alternatively, in some embodiments, the rubber composition may be reinforced with an organic filler, an inorganic filler or combinations thereof. In some of these embodiments, the rubber composition includes at least 90 phr of such reinforcing filler.