Abstract: The invention relates to a thermally reversible hot melt adhesive that is isocyanate-free, moisture independent, crosslinkable and thermally reversible. The thermally reversible hot melt adhesive may be repeatedly heated and cooled without negatively affecting the performance of the adhesive. The thermally reversible composition may also be used as a primer layer. The thermally reversible hot melt adhesive and primer are particularly well suited for end use applications such as packaging, graphic arts, construction, footwear, textiles, general assembly, automotive and consumer goods.

Abstract: A microphase-separated structure comprising a block copolymer, which contains at least a block chain A consisting of a monomer A as a repeating unit and a block chain B consisting of a monomer B as a repeating unit, and a solvent, wherein the solvent has a temperature zone 1 where the block chain A and the block chain B are soluble and a temperature zone 2 where the block chain A is insoluble but the block chain B is soluble, and a structural period thereof varies by changing temperature between the temperature zone 1 and the temperature zone 2.

Abstract: The invention relates to a makeup composition comprising a) at least one liquid fatty phase structured with at least one semi-crystalline polymer having an organic structure, whose melting temperature is greater than or equal to 30° C., b) a colorant and c) a volatile oil, the liquid fatty phase, colorant, volatile oil and polymer forming a physiologically acceptable medium. This composition is in the form in particular of a stick which on keratin materials, particularly the lips, lays down a glossy film which does not undergo transfer to objects with which the keratin materials come into contact.

Abstract: Disclosed is a coating agent including a synthetic resin emulsion (A) wherein an acrylic resin of which the main monomer component is an alkyl ester of (meth)acrylic acid, and a silicone resin of which the main monomer component is a cyclic siloxane compound are mixed in emulsion particles to set the ratio by weight of the former to the latter into the range of 99/1 to 30/70, and a particulate matter (B) having an average particle diameter of 0.5 to 500 ?m and an oil absorption of 60 mL/100 g or less, wherein the particulate matter (B) has a pigment volume concentration of 10 to 90%. When this coating agent is stored or after a paint film is made therefrom, a fall in the water repellent effect thereof is restrained, so that an excellent water repellent performance can stably be exhibited.

Abstract: Hydroxyl polymer-containing compositions, especially hydroxyl polymer-containing compositions that can be processed into polymeric structures, especially polymeric structures in the form of fibers are provided.

Abstract: A flexible, low dielectric loss composition, used to fabricate a flexible substrate, is provided. The composition includes: SrTiO3 and/or Ba(Sr)TiO3 ceramic particle, with a particular size between 30 nm and 2 ?m, in an amount of 20-80% by weight of the composition; at least one flexile macromolecule in an amount of 1.0-50% by weight of the composition, wherein the macromolecules have functional groups of hydroxyl group, carboxyl group, allyl group, amino group, or chain aliphatic epoxy group; and a thermosetting organic resin.

Abstract: The present invention is directed to a polymeric material, particularly a thermoplastic material, the includes thermoplastic polyolefin and an elastomer.

Abstract: Methods of modifying block copolymers to enhance thermodynamic properties thereof without sacrificing material properties and methods of forming modified block copolymers having desired properties are disclosed. The modified block copolymers may be used, for example, as a mask for sublithographic patterning during various stages of semiconductor device fabrication. For example, block copolymers having desirable material properties, such as etch selectively, may be chemically modified to tailor a ? value thereof to optimize the process conditions for achieving a self-assembled state and to reduce a defectivity of the self-assembled block copolymer pattern.

Abstract: An enhanced prepreg for printed circuit board (PCB) laminates includes a substrate and a resin applied to the substrate. The resin includes a curable polymer and a polymerization initiator polymer having a backbone with a free radical initiator forming segment that breaks apart upon being subjected to heat to generate a plurality of non-volatile initiating species. This resin composition eliminates possible volatile loss of the free radical initiator during all processing steps in the preparation of PCB laminates. The resin may additionally include a cross-linking agent, flame retardant and viscosity modifiers. In one embodiment, a sheet of woven glass fibers is impregnated with the resin and subsequently dried or cured. The glass cloth substrate may include a silane coupling agent to couple the resin to the substrate. In another embodiment, resin coated copper (RCC) is prepared by applying the resin to copper and subsequently curing the resin.

Abstract: A bonding agent system is provided that contains at least components (A) and (B), where (A) is at least one compound with at least two cyclic carbonate groups and (B) is at least one compound with at least two primary and/or secondary amine groups. The bonding agent system is particularly suitable for use as a two-component adhesive or sealant and has very good adhesion to various substrates.

Abstract: The present invention relates to quaternary ammonium salts and their use as mold inhibitors. The quaternary salts can be prepared by a chloride ion-promoted reaction between a tertiary amine and an alcohol or polyol in strong acid solution. The quaternary ammonium salts can be applied to a substrate in order to impart anti-mold properties to the substrate. Preferably, the quaternary ammonium salt compounds are applied to paper substrates in an amount of about 1000 ppm. Preferably, the quaternary ammonium salts compounds are applied as mixtures of more than one quaternary ammonium salt compound. The treated substrate does not require encapsulators, binders, or retention aids.

Abstract: Novel polyglycerol aldehyde polymers are described. The polymers comprise glycerol monomers connected by ether linkages and have 3 to about 170 aldehyde groups per molecule. The polyglycerol aldehydes may be reacted with various amine-containing polymers to form hydrogel tissue adhesives and sealants that may be useful for medical applications such as wound closure, supplementing or replacing sutures or staples in internal surgical procedures such as intestinal anastomosis and vascular anastomosis, tissue repair, preventing leakage of fluids such as blood, bile, gastrointestinal fluid and cerebrospinal fluid, ophthalmic procedures, drug delivery, and preventing post-surgical adhesions.

Abstract: A resin composition for laser engraving, comprising (Component A) a compound having two or more ring structures selected from the group consisting of an epoxy ring, an oxetane ring and a five-membered carbonate ring, (Component B) a curing agent capable of reacting with Component A to thus form a crosslinked structure, and (Component C) a compound having at least one of a hydrolyzable silyl group and a silanol group.

Abstract: A curable perfluoropolyether gel composition is provided. The composition comprises (A) a straight chain fluorine-containing polymer represented by the following formula (1): (B) a polyfluoromonoalkenyl compound containing one alkenyl group per molecule and having a perfluoropolyether structure in its backbone, (C) an organosilicon compound containing at least two hydrogen atoms bonded to the silicon atom per molecule, and (D) a hydrosilylation catalyst. The composition can be produced into a cured product having excellent heat resistance, solvent resistance, chemical resistance, weatherability, releasability, water repellency, oil repellency, and the like as well as an improved acid resistance.

Abstract: A method of improving the wear resistance of a polymer is disclosed comprising the steps of evenly dispersing an ultrafine inorganic particulate material in the polymer at a loading rate of 0.01 to 20 wt % of the total weight of the particulate polymer composite. The mixing or dispersing is preferably carried out under sub-atmospheric pressure conditions to ensure little or no bubbles form in the mixture prior to curing.

Abstract: This invention provides compositions and methods for producing translational components that expand the number of genetically encoded amino acids in eukaryotic cells. The components include orthogonal tRNAs, orthogonal aminoacyl-tRNA synthetases, pairs of tRNAs/synthetases and unnatural amino acids. Proteins and methods of producing proteins with unnatural amino acids in eukaryotic cells are also provided.

Abstract: Nano-sized particles for use in making emulsion aggregation toner particles have a core portion and a shell portion, wherein the core portion of the nano-sized particles includes crystalline resin and the shell portion includes amorphous resin and is substantially to completely free of the crystalline resin.

Abstract: An oily surface adhesive room temperature curing type organopolysiloxane composition includes: (A) at least one of organopolysiloxanes represented by specific general formulas; (B) heavy calcium carbonate of which the surfaces have been treated with a fatty acid and/or paraffin treating agent; (C) an oil-absorbing carbon powder; (D) a silane represented by a specific general formula or a partial hydrolyzate; (E) a curing catalyst; and (F) an organic compound having one isocyanate group in its molecule.

Abstract: The present invention is directed to a polymeric material, particularly a thermoplastic material, the includes thermoplastic polyolefin and an elastomer.

Abstract: The present invention is directed to alkanal derivatives of water-soluble polymers such as poly(ethylene glycol), their corresponding hydrates and acetals, and to methods for preparing and using such polymer alkanals. The polymer alkanals of the invention are prepared in high purity and exhibit storage stability.

Abstract: A tissue sealant is described that includes the reaction product of (a) a polyol having at least two groups capable of reacting with an alkoxy silane and (b) an alkoxy silane having the formula: (R1R2R3)—Si—CH2—Z where (i) Z is an —OH, —SH, —NCO, or —NHR4 group, where R4 is hydrogen or an alkyl group; and (ii) each R1, R2, and R3, independently, is H, an alkoxy group, an alkyl group, a heteroalkyl group other than an alkoxy group, an aryl group, or a heteroaryl group, with the proviso that at least two of R1, R2, and R3 are alkoxy groups. The tissue sealant is moisture-curable and biodegradable in a physiological environment.

Abstract: Hydroxyl polymer-containing compositions, especially hydroxyl polymer-containing compositions that can be processed into polymeric structures, especially polymeric structures in the form of fibers are provided.

Abstract: The invention relates to novel therapeutic agents and diagnostic probes. The invention also relates to phosphoinositide 3-kinase (PI3K) and mammalian target of rapamycin (mTOR) inhibitor triazine-, pyrimidine- and pyridine-based compounds? Formula (I), their stereoisomers, geometric isomers, tautomers, solvates, metabolites, N-oxide derivatives, pharmaceutically acceptable salts, and prodrugs thereof compositions of the new compounds; either alone or in combination with at least one additional therapeutic agent, with a pharmaceutically acceptable carrier; and uses of the new compounds, either alone or in combination with at least one additional therapeutic agent, for treating disorders mediated by lipid kinases. •Methods of using compounds of Formula (I) for in vitro, in situ, and in vivo diagnosis, prevention or treatment of such disorders in mammalian cells, or associated pathological conditions, are disclosed.

Abstract: The present invention provides articles comprised of a single resin system that has a surface and a core of different compositions, the surface having more extractable component and less fillers than the core. This arrangement provides for increased peel strength in articles formed from or including such articles. The present invention also provides methods of making the articles.

Abstract: The present invention relates to process comprising reacting a polyfluorenes comprising at least one structural group of formula I with an iridium (III) compound of formula II wherein R1 and R2 are independently alkyl, substituted alkyl, aryl, substituted aryl or a combination thereof; R5is H or CHO; R3 and R4 are independently hydrogen, alkyl, substituted alkyl, aryl, substituted aryl or a combination thereof; R11 and R12 taken together form a substituted or unsubstituted monocyclic or bicyclic heteroaromatic ring; R13 is independently at each occurrence halo, nitro, hydroxy, amino, alkyl, aryl, arylalkyl, alkoxy, substituted alkoxy, substituted alkyl, substituted aryl, or substituted arylalkyl; Ar is aryl, heteroaryl, substituted aryl, substituted heteroaryl, or a combination thereof; X is selected from a direct bond, alky, substituted alkyl, and combinations thereof; Y is CHO or NH2; Z is CHO or NH2 where Z does not equal Y; and p is 0, 1 or 2.

Abstract: Disclosed are methods of attaching biologically active compounds to a solid surface, comprising modifying the solid surface using triazine chloride and attaching the biologically active compound to the triazine moiety.

Abstract: The present invention discloses a modifier for modifying the polyester fiber as well as preparation method and application of the same. The modifier contains ethylene glycol, two-hydroxy-end polyether, dimethyl terephthalate, two-polyether-end modified organosilicon, and metal acetate catalyst. A two-step continuous production process is adopted. The first step is esterification; that is, ethylene glycol, two-hydroxy-end polyether, dimethyl terephthalate, and two-polyether-end organosilicon are added into a reactor, and have an esterification reaction in the presence of the catalyst. In the second step, the materials produced by the esterification is transported to a polymerizer, and have a polymerization reaction under the conditions of high temperature, vacuum and catalyst, producing the high molecular weight polyester/polyether/organosilicon terpolymer with a molecular weight of 1000˜50000 as the desired modifier.

Abstract: The present invention relates to process comprising reacting a polyfluorenes comprising at least one structural group of formula I with an iridium (III) compound of formula II The invention also relates to the polyfluorenes, which are products of the reaction, and the use of the polyfluorenes in optoelectronic devices.

Abstract: A method of synthesizing a biocompatible hydrogel by covalently cross-linking an effective amount of a first macromonomer including a cyclic thioester group with an effective amount of a second macromonomer including a terminal cysteine group is disclosed. In addition, the synthesis and use of the following specific cyclic thioester macromonomer that can be used in the method, as well as specific hydrogels made using this macromonomer are disclosed. The disclosed method produces a biocompatible hydrogel, while producing substantially no toxic free thiol by-product. Accordingly, the method can be used in making biomedical products, such as sutures and tissue replacement biomaterials, and for encapsulating therapeutic cells and pharmaceuticals.

Abstract: This invention relates to novel allophanate-modified diphenylmethane diisocyanates, prepolymers of these allophanate-modified diphenylmethane diisocyanates, and two-component polyureas and one-component polyureaurethanes prepared from these prepolymers. In addition, the invention also relates to processes for the preparation of these various compositions, and to the preparation of sealants from the two-component polyureas and caulking agents from the one-component polyureaurethanes.

Abstract: A process for producing water-absorbing polymer particles by polymerizing a monomer solution or suspension comprising an ethylenically unsaturated monomer bearing acid groups, an ethylenically unsaturated monomer, a crosslinker and an initiator.

Abstract: Embodiments herein provide a nanoparticle, such as a metal nanoparticle, coupled to a linker molecule to form a nanoparticle-linker construct. In an embodiment, a nanoparticle-linker construct may be further bound to a substrate to take advantage of one or more properties of the nanoparticle. In an embodiment, a functionalized nanoparticle (a nanoparticle having a reactive functionality) may be bound to a linker to form a functionalized nanoparticle-linker construct which may in-turn be bound to a substrate.

Abstract: A solvent that reversibly converts from a hydrophobic liquid form to hydrophilic liquid form upon contact with water and a selected trigger, e.g., contact with CO2, is described. The hydrophilic liquid form is readily converted back to the hydrophobic liquid form and water. The hydrophobic liquid is an amidine or amine. The hydrophilic liquid form comprises an amidinium salt or an ammonium salt.

Abstract: Methods for forming maleimide functionalized polymers are provided. In one such embodiment, a maleimide functionalized polymer is prepared in a method that includes a step of carrying out a reverse Diels-Alder reaction. Intermediates useful in the methods, as well as methods for preparing the intermediates, are also provided. Also provided are polymeric reagents, methods of using polymeric reagents, compounds and conjugates.

Abstract: The object of the present invention is to provide a thermoplastic polyurethane tape having excellent elastic functions, and the polyurethane tape of the present invention is a thermoplastic polyurethane tape with the residual strain after 300% stretching at 20° C. being from 5 to 40%, wherein the recovery percentage after repeating a 300% stretching/recovery cycle at ?10° C. three times is preferably 85% or more.

Abstract: The present invention provides a hydrogel composition comprising at least one polymer with functional groups including alcohol groups, acid groups, and amide groups and where the ratio of the functional alcohol groups to functional acid groups in the hydrogel composition ranges from about 16:1 to about 3:2. The present invention also provides a method of repairing an articulating surface in a body using the inventive composition. The inventive hydrogel composition is created by blending two or more polymers to achieve the desired ratio of functional groups, reacting at least one polymer with a reagent that results in the formation of alcohol, acid, and/or amide functional groups of the desired ratio, and/or polymerizing at least one monomer to achieve the desired ratio of functional groups.

Abstract: Substantially or roughly spherical micellar structures useful in the formation of nanoporous materials by templating are disclosed. A roughly spherical micellar structure is formed by organization of one or more spatially unsymmetric organic amphiphilic molecules. Each of those molecules comprises a branched moiety and a second moiety. The branched moiety can form part of either the core or the surface of the spherical micellar structure, depending on the polarity of the environment. The roughly spherical micellar structures form in a thermosetting polymer matrix. They are employed in a templating process whereby the amphiphilic molecules are dispersed in the polymer matrix, the matrix is cured, and the porogens are then removed, leaving nanoscale pores.

Abstract: The present invention relates to Y-shape branched PEG derivatives of formulae (I) to (IV). The present invention also relates to conjugates of these Y-shape derivatives and drug molecules, pharmaceutical compositions comprising those conjugates.

Abstract: This invention relates to a method of preparing poly(alkylene carbonate) that has a molecular weight and polymer chain structure precisely controlled by adding a chain transfer agent composed of a compound having an alcohol or carboxylic acid functional group upon alternating copolymerization of an epoxide compound and carbon dioxide using a catalyst composed of a trivalent metal complex compound synthesized from a quaternary ammonium salt-containing Salen type ligand, and to a polymer compound prepared thereby. According to this invention, the polymer compound having a star-shaped chain as well as the polymer having a linear chain can be prepared. The low-molecular-weight poly(alkylene carbonate) has an —OH terminal group and can be used alone as a coating agent, etc., and also in mixtures with an isocyanate compound and thus can be easily utilized to prepare polyurethane.

Abstract: The invention provides a method comprising the steps of (i) reacting a water-soluble and non-peptidic polymer having two or more terminal hydroxyl groups with di(1-benzotriazolyl)carbonate to form a water-soluble and non-peptidic polymer having two or more 1-benzotriazolylcarbonate ester groups; and (ii) reacting the water-soluble and non-peptidic polymer having two or more 1-benzotriazolylcarbonate ester groups with a water-soluble and non-peptidic polymer having three or more primary amino groups under conditions effective to form a cross-linked polymer composition.

Abstract: The present application discloses compositions for thin film dye-sensitized solar cells in which nanoparticles of semiconductor material are tethered together in a nanonodular network using a multi-functional linking compound.

Abstract: The present invention relates to a three-dimensional powder-based production process using powders based on cyclic oligomers, and to moldings produced by this process.

Abstract: Certain embodiments of the invention provide amphiphilic macromolecules and nanocrystals encapsulated by amphiphilic macromolecules. Additionally, certain embodiments of the invention also provide nanocrystals that are water-solubilzed using functionalized AMs capable of coordinating to the nanocrystal surface.

Abstract: Provided herein are polymeric ?-hydroxy aldehyde or ?-hydroxy ketone reagents which can be conjugated to amine-containing compounds to form stable conjugates in a single-step reaction. In selected embodiments, the polymeric reagent itself incorporates an internal proton-abstracting (basic) functional group, to promote more efficient reaction. The substituent is appropriately situated, via a linker if necessary, to position the group for proton abstraction, preferably providing a 4- or 5-bond spacing between the abstracting atom and the hydrogen atom on the ?-carbon. Also provided are methods of using the reagents and stable, solubilized conjugates of the reagents with biologically active compounds. In preferred embodiments, the polymeric component of the reagent or conjugate is a polyethylene glycol.

Abstract: The invention relates to heat-curing powder-lacquer compositions exhibiting a matte surface after curing of the coating, as well as to a simple method for production of the same.

Abstract: Polystyrene is dispersed into a polyol via a mechanical dispersion process. A stabilizer is present to stabilize the dispersed polymer particles. The stabilizer includes a copolymer of (1) from 10 to 70% by weight of a branched polyol which has a molecular weight of from 4000 to 20,000, from 0.2 to about 1.2 polymerizable ethylenically unsaturated groups per molecule and from about 3 to about 8 hydroxyl groups per molecule with (2) from 30 to 90% by weight of styrene or a mixture of styrene and one or more other low molecular weight monomers.

Abstract: A process for preparing a diaminoacetonitrile which includes reacting by contacting an amine comprising two primary amine groups with a cyanohydrin. The diaminoacetonitrile produced may subsequently be used in the production of polymers and/or as a curing agent for epoxy resins.

Abstract: Among other aspects, provided herein are multi-armed polymer conjugates comprising an alkanoate-linker, compositions comprising such conjugates, and related methods of making and administering the same. Methods of treatment employing such conjugates and related uses are also provided. The conjugates are prepared with high drug loading efficiencies.

Abstract: The invention provides methods and compositions having one-dimensional nanoparticle chains. A one-dimensional nanoparticle chain can comprise a linear substantially non-crosslinked polymer having pendant groups and asymmetrically functionalized nanoparticles attached to the polymer through the pendant groups. Additionally, an asymmetrically functionalized nanoparticle can comprise a nanoparticle core having an outer surface, a primary group of first ligands attached to a substantially continuous primary region of the outer surface, and a secondary group of second ligands attached to a substantially continuous secondary region of the outer surface, such that the primary group of first ligands and the secondary group of second ligands comprise a different ligand population.

Abstract: The invention relates to an additive for hydraulically setting systems based on modified polycarboxylates and water-soluble ethers of high polymeric polysaccharides, optionally containing further standard additives, characterized by a content of a) a water-soluble ether of cellulose or a cellulose-like compound with a viscosity of at least approximately 1,000 mPas, particularly at least approximately 2,000 mPas, measured as a 2% aqueous solution with a Brookfield viscosimeter at 20° C. and 20 rpm and b) a polycarboxylate, whose main chain is linked by means of ester, ether, imide and/or amide groups with polyethylene oxide-containing side chains. The invention also relates to hydraulic mixtures having a content of the above additive and the use thereof.