Abstract: A significant disadvantage of the use of polylactic acid (PLA), lack of flame retardance, has been overcome by the use of specific combinations of either polycarbonate or polyphosphonate-co-carbonate in combination with non-halogenated flame retardants of polyphosphazene or phosphate ester such as resorcinol bis (diphenyl phosphate) or metal hypophosphite, a drip suppressant, and optionally an inorganic synergist of either zinc borate or talc or both and optionally other ingredients. The compound achieves a UL 94 rating of V-0 or V-1 at 1.6 mm.

Abstract: Provided is a means for obtaining a polybutylene terephthalate resin composition that exhibits excellent hydrolysis resistance and high fluidity in a molten state. A carbodiimide compound (B) and a polyhydric hydroxyl group-containing compound (C) are added to a polybutylene terephthalate resin (A) having a terminal carboxyl group content of 30 meq/kg or lower. The polyhydric hydroxyl group-containing compound (C) that is used has a hydroxyl group value of 200 or higher. It is preferable for the polybutylene terephthalate resin (A) to have an intrinsic viscosity of 0.6 dL/g or higher.

Abstract: Provided are a polylactic acid resin composition excellent in impact resistance, migration resistance, and heat resistance, and excellent in productivity at the time of the mold forming thereof, and a resin molded article thereof. The polylactic acid resin composition includes a polylactic acid; a reaction product of at least one of a polyol and a polyol dehydration condensate, an alkylene oxide mainly formed of ethylene oxide, and a fatty acid having 12 to 24 carbon atoms; and a fatty acid amide.

Abstract: Disclosed herein are adhesives, wood-based composites incorporating the adhesives, and methods of forming wood-based composites using the adhesives. In some embodiments, an adhesive emulsion includes a continuous phase having an aqueous, alkaline solution that includes a melamine/urea/formaldehyde (“MUF”) resin, and a dispersed phase that includes a multifunctional aromatic isocyanate component. The solution including the MUF resin has a percent solids content of about 1.0% to about 90.0%, and the MUF resin and the multifunctional aromatic isocyanate component are present in a ratio of about 92:8 to about 40:60 on a solids mass basis. Wood-based composites formed using the adhesives demonstrate an optimal combination of characteristics desirable to the wood products industry.

Abstract: Provided are a polylactic acid resin composition excellent in transparency, heat resistance, and migration resistance, and excellent in productivity at the time of the mold forming thereof, and a resin molded article thereof. The polylactic acid resin composition includes a polylactic acid; a reaction product of at least one selected from the group consisting of sorbitol, mannitol, and dehydration condensates thereof, an alkylene oxide mainly formed of ethylene oxide, and a fatty acid having 8 to 24 carbon atoms; and a fatty acid amide having a hydroxyl group.

Abstract: A method includes heating a sulfonated polyester resin in an organic-free solvent, adding a solution of silver (I) ion to the heated resin in water to form a mixture, reducing silver (I) to silver (0) by heating the mixture from about 65° C. to about 90° C., thereby forming an emulsion of composite particles comprising a sulfonated polyester matrix and a plurality of silver nanoparticles disposed within the sulfonated polyester matrix, and allowing the silver nanoparticles to agglomerate into a silver nanodendrite structure.

Abstract: The present disclosure relates to compositions that include at least one polybenzoxazole precursor polymer, at least one photoacid generator, and at least one basic compound. Articles, films, and methods related to these compositions are also disclosed.

Abstract: The invention relates to novel carbodiimides having terminal urea and/or urethane groups, methods for the preparation thereof and use thereof as stabilizers in ester-based polyols, in polyethylene terephthalate (PET), in polybutylene terephthalate (PET), in polytrimethylene terephthalate (PTT), in copolyesters, in thermoplastic polyester elastomers (TPE E), in ethylene vinyl acetate (EVA), in polylactic acid (PLA) and/or in PLA derivatives, in polybutylene adipate terephthalates (PBAT), in polybutylene succinates (PBS), in polyhydroxyalkanoates (PHA), in blends, in triglycerides, in thermoplastic polyurethanes, in polyurethane elastomers, in PU adhesives, in PU casting resins, for PU coatings or in PU foams.

Abstract: Hydroxypolyamides, hydroxypolyamide products, and post-hydroxypolyamides are disclosed as gel forming agents. Hydroxypolyamides and post-hydroxypolyamides are prepared from known methods. Hydroxypolyamide products are produced from a modified polymerization procedure which utilizes strong base for deprotonation of ammonium salts from the esterification of stoichiometrically equivalent polyacid:polyamine salts. The hydroxypolyamide products are capable of gel formation at lower concentrations than hydroxypolyamides and post-hydroxypolyamides from the known methods of preparation, and are therefore superior gel forming agents.

Abstract: The present disclosure provides an adhesive composition comprising derivatives of native lignin and an isocyanate-based binder such as methylene diphenyl diisocyanate. The present compositions may further comprise formaldehyde-based resins such as PF, UF, and MF. While not wishing to be bound by theory, it is believed that incorporating derivatives of native lignin in isocyanate compositions will reduce incidence of pre-curing.

Abstract: A quaternary ammonium salt compound is represented by the following formula (A-1), wherein, R1, R2, and R3 each represent an alkyl group, an alkenyl group, an aryl group, or an aralkyl group, a part or all of hydrogen atoms in these groups may be substituted by a hydroxyl group(s), an alkoxy group(s), or a halogen atom(s), and these groups may include one or more of a carbonyl group and an ester bond; R4 represents a single bond, an alkylene group, an alkenylene group, an arylene group, or an aralkylene group, a part or all of hydrogen atoms in these groups may be substituted by an alkoxy group(s) or a halogen atom(s), and these groups may include one or more of an ether bond, a carbonyl group, an ester bond, and an amide bond; and A? represents a non-nucleophilic counter ion.

Abstract: A polyarylene sulfide resin composition containing a polyarylene sulfide resin (A) and an olefin wax (B) having an acid value within the range of 65 to 150 [mgKOH/g], wherein the amount of the olefin wax (B) is 0.01 to 5 parts by mass of relative to 100 parts by mass of the polyarylene sulfide resin (A) and the olefin wax (B) contains a carboxyl group and a carboxylic anhydride group. A molded product prepared by molding the composition is also provided. The polyarylene sulfide resin composition has excellent mechanical properties and mold releasing properties and the molded product prepared from the polyarylene sulfide resin composition exhibits good adhesion to epoxy resins.

Abstract: Materials and methods for implementing engineered aggregates in metamaterials are provided. The engineered aggregates may be tuned to oscillate resonantly under the influence of an external force improving the dynamic performance of the metamaterial by impeding dynamic excitation. The engineered aggregate generally comprise a multilayer resonant structure having at least a relatively heavy inner core surrounded by at least a compliant coating layer. The geometry and stiffness of the relative layers can be tuned to engineer a desired resonant frequency response within the aggregate for a chosen frequency range. The engineered aggregates are disposed in a matrix material to form a metamaterial. The engineered aggregates may be disposed within a mortar matrix to form a concrete metamaterial suitable for use, for example, in structural applications, including bunkers, shelters, etc.

Abstract: Disclosed are a polycarbonate resin composition as a polycarbonate material for medical use having yellowing resistant property with respect to the irradiation of gamma-radiation, which exhibits extremely little yellowing during sterilizing using the gamma-radiation, maintains transparency and has no mechanical change, and a molded article using the same. The present invention provides a polycarbonate resin composition including a polycarbonate resin, a thioether-based stabilizer and an amide-based stabilizer, and a molded article using the same.

Abstract: Hydrotreating catalysts and processes useful for the conversion of methoxylated aromatic compounds to simple aromatic compounds are provided. The catalysts comprise transition metal selected from the group consisting of Group 8 metals, Group 9 metals, Group 10 metals, Group 11 metals, and mixtures thereof, and catalyst support selected from the group consisting of shape-selective zeolite, silica, titania, zirconia, and mixtures thereof.

Abstract: The present invention provides derivatives of native lignin having certain aliphatic hydroxyl content. Surprisingly, it has been found that consistent and predictable antioxidant activity may be provided by selecting for derivatives of native lignin having certain aliphatic hydroxyl content.

Abstract: Disclosed is a cementitious product, the product comprising a liquid medium, a hydraulic binding agent, a latex polymer and optionally one or more other components, wherein the direct tensile strength of the product as determined by ASTM C307 is at least 120% of a predicted direct tensile strength of the product per an equation selected from the group consisting of f?dt=0.06*f?c, f?dt=0.07*f?c, f?dt=0.08*f?c and f?dt=0.11*f?c, and wherein the the flexural strength of the product as determined by ASTM C348 is at least 150% of a predicted flexural strength of the product per an equation selected from the group consisting of f?r=0.1*f?c, f?r=0.17*f?c, f?r=9.5*((f?c)^0.5) and f?r=7.5*((f?c)^0.5).

Abstract: A lightweight concrete containing polyethylene terephthalate in an amount of 20% by total volume. The concrete is enriched with hydrogen and is therefore highly effective at thermalizing neutrons. The concrete can be used independently or as a component of an advanced neutron radiation shielding system.

Abstract: Stabilized aqueous suspensions include aluminous cement and/or calcium sulfoaluminous cement and binding compositions including the aqueous suspension in combination with organic binders, which are stable at room temperature and at high temperature as well as methods for preparing the same are described.

Abstract: Compositions comprising graphene sheets, at least one binder, and a carrier system, wherein about 1 to about 50 weight percent of the carrier system comprises at least one cyclic amide, cyclic imide, and/or lactone. The compositions may be used as coatings and inks.