Abstract: The invention relates to a flexible thermoplastic composition resistant to the ageing effects of oil, said composition comprising a grafted copolymer containing polyamide blocks and consisting of a polyolefin backbone and at least one polyamide graft. According to the invention, the grafts are attached to the core by the residues of an unsaturated monomer (X) having a function that can react with a polyamide comprising an amine end or a carboxylic acid end; the residues of the unsaturated monomer (X) are attached to the backbone by grafting or copolymerization from the double bond thereof; and the composition comprises between 40 to 90 wt % of the polyolefin core comprising the unsaturated monomer (X); between 5 to 40 wt % of polyamide grafts; and between 5 to 40% of at least one polymer selected from a saponified ethylene/vinyl acetate copolymer and a polyamide.

Abstract: The present invention relates to novel methods of synthesis of therapeutic and diagnostic dendrimers. In particular, the present invention is directed to novel dendrimer conjugates, novel methods of synthesizing the same, compositions comprising the conjugates, as well as systems and methods utilizing the conjugates (e.g., in diagnostic and/or therapeutic settings (e.g., for the delivery of therapeutics, imaging, and/or targeting agents (e.g., in disease (e.g., cancer, inflammatory disease) diagnosis and/or therapy, pain therapy, etc.)). Accordingly, dendrimer conjugates of the present invention may further comprise at least two different components for targeting, imaging, sensing, and/or providing a therapeutic or diagnostic material and/or monitoring response to therapy. Furthermore, the novel synthesis methods of certain embodiments of the present invention provide significant advantages with regard to total reaction time and simplicity.

Abstract: A variety of graft copolymers can be formed sodium poly(aspartate) with a wide variety of monomers in an aqueous medium by the use of grafting method in the presence of radical initiator at a temperature of from about five degrees Centigrade to about 100 degrees Centigrade. Graft copolymers at high conversion with molecular weight up to millions can be prepared using this method.

Abstract: To provide a polyamic acid ester-containing polyimide precursor composition having a good storage stability, from which a polyimide film having a high imidization degree and excellent adhesion to an inorganic substrate can be obtained. A polyimide precursor composition comprising a polyamic acid ester, a thermal imidization accelerator and a solvent, wherein the thermal imidization accelerator is a compound which has a carboxy group and an amino group or an imino group which is deprotected by heat to show basicity, and which will not accelerate the imidization of the polyamic acid ester before the protecting group leaves, and a polyimide precursor composition containing a silane coupling agent.

Abstract: Polymers including two or more different recurring units are disclosed herein. Also disclosed herein are methods of using such polymers to deliver nucleic acids to a cell.

Abstract: A crosslinked object of a polybenzoxazine-based compound formed of a polymerized resultant of a first monofunctional benzoxazine-based monomer or a second multifunctional benzoxazine-based monomer with a crosslinkable compound, an electrolyte membrane including the crosslinked object, a method of preparing the electrolyte membrane, and a fuel cell employing the electrolyte membrane including the crosslinked object.

Abstract: The invention relates to resins comprising acrylate groups that are liquid at 25° C., obtained in that polycarboxylic acids (a) comprising at least 2 carboxyl groups and at least 2 C atoms per molecule are converted in a first stage with polyamines (b) comprising at least 2 amino groups and at least 2 C atoms per molecule, such that an intermediate compound (z) results, said compound being terminated by carboxyl groups, and said compound (z) being functionalized in a second stage, such that the free carboxyl groups thereof are provided with one or more (meth)acrylate groups in one or more stages, said resins being suitable as radiation-curing compounds for producing coatings.

Abstract: Provided is a thermoplastic elastomer composition, which includes a halogenated isoolefin/para-alkylstyrene copolymer rubber dispersed in a polyamide resin in order to improve the fatigue durability of a polyamide resin, while maintaining high flowability of the polyamide. A thermoplastic elastomer composition comprising a continuous phase composed of a modified polyamide resin (A) and a dispersed phase composed of a halogenated isoolefin/para-alkylstyrene copolymer rubber (B) is provided. The modified polyamide resin (A) is a resin obtained by melt-kneading 100 parts by weight of a polyamide resin (C) with not less than 0.05 part by weight and less than 3 parts by weight a compound (D), such as a monofunctional epoxy compound, capable of binding to a terminal amino group of the polyamide resin at a temperature not lower than the melting point of the polyamide resin (C). The composition can be used as an inner liner of a pneumatic tire.

Abstract: The present invention provides an efficient delivery system for a nucleic acid, more specifically, a cationic poly(amino acid) that has a side chain having a plurality of different amine functional groups in a moiety including a cationic group and that has a hydrophobic group introduced into part of the side chain, and a polyion complex (PIC) of the poly(amino acid) and an oligo- or polynucleotide.

Abstract: Polymers that can include an end-cap selected from Formula (I) and/or Formula (II) and a recurring unit of the Formulae (III), and/or (IV). The polymers can include various substituents such as drug, targeting agents, stabilizing agents, imaging agent and polydentate ligands. Such polymer can be useful for variety of drug, targeting, stabilizing and/or imaging agent delivery applications.

Abstract: A carboxylic polybenzimidazole includes at least one of the following functional group of formula (I): wherein G is a group containing a carboxylic acid end group or a carboxylated end group.

Abstract: The present invention relates to organic polymer porous materials, and in particular, to an organic polymer porous material that functions as a reusable insoluble solid catalyst and a method for producing the same. The organic polymer porous material of the present invention is characteristic in that the amount of immobilized bases is high and the specific surface area is large. The object has been achieved by an organic polymer porous material including a polymer (PA) obtained by polymerizing a polymerizable composition (A) containing a compound (a) obtained by reacting a dendrimer (a1) having at least an amino group as a reactive functional group or a polyethyleneimine (a2) having at least an amino group as a reactive functional group with a compound (a3) having a vinyl group and a group that can react with the reactive functional group.

Abstract: It is a main object of the present invention to provide a polyimide precursor and a polyimide precursor resin composition, which precursor being easy to synthesize, available at low cost, excellent in storage and capable of giving polyimide that is low in impurities after imidization, irrespective of the chemical structure of the finally-obtained polyimide.

Abstract: A method for preparing nylon microspheres is provided, said method comprising steps (1), (2) and (3) or steps (1?), (2) and (3) as follows: (1) a radically polymerizable monomer is dispersed in a molten lactam monomer, and a free radical initiator is added, so that radical polymerization of the radically polymerizable monomer is carried out, to give a mixture of a free radical polymer and the lactam monomer; or (1?) a mixture of a free radical polymer and a molten lactam monomer is provided; and (2) an initiator and an activator, used for anionic ring-opening polymerization of the lactam monomer, are added to the mixture obtained in step (1) wherein the remaining radically polymerizable monomer and water are removed, or to the mixture obtained in step (1?), so that the anionic ring-opening polymerization of the lactam is carried out to give a polymer alloy of the free radical polymer/polyamide; and (3) the free radical polymer in the polymer alloy obtained in step (2) is removed by dissolution, giving nylon m

Abstract: The invention relates to a process for producing crosslinked organic polymers by reacting a polymer with a crosslinking agent from the group of the substituted cyanurates and isocyanurates, and also to novel compounds from the said group.

Abstract: A composition of matter for a recording medium in atomic force data storage devices. The composition includes one or more poly(aryl ether ketone) copolymers, each of the one or more poly(aryl ether ketone) copolymers including (a) a first monomer including an aryl ether ketone and (b) a second monomer including an aryl ether ketone and a hydrogen bonding cross-linking moiety, the moiety capable of forming two or more hydrogen bonds at room temperature, each of the one or more poly(aryl ether ketone) copolymers having two terminal ends, each terminal end having a phenylethynyl moiety. The covalent and hydrogen bonding cross-linking of the poly(aryl ether ketone) oligomers may be tuned to match thermal and force parameters required in read-write-erase cycles.

Abstract: Compositions comprise phase separated polyetherimide/polyphenylene ether sulfone blends. The dispersed phase has an average cross sectional size of 0.1 to 10 micrometers. The composition retains has good hydrolytic stability and is capable of withstanding steam autoclaving at temperatures of 130 to 138° C.

Abstract: An article that includes a thermoplastic composition and a crosslinking agent. The crosslinking agent is thermally activated by annealing at a temperature proximate to the flow point of the thermoplastic composition to stabilize the dimensions of the article during service when compared with a similar article that contains the thermoplastic resin without the crosslinking agent or a similar article that contains the crosslinking agent but is thermally activated at a rate of greater than or equal to about 5 degrees centigrade per minute to the same temperature.

Abstract: A variety of graft copolymers can be formed sodium poly(aspartate) with a wide variety of monomers in an aqueous medium by the use of grafting method in the presence of radical initiator at a temperature of from about five degrees Centigrade to about 100 degrees Centigrade. Graft copolymers at high conversion with molecular weight up to millions can be prepared using this method.

Abstract: An alignment film material according to the present invention includes: a precursor of a first polyimide (p1); a second polyimide (p2) and a precursor thereof; and a vinyl-type monomer. The vinyl-type monomer is represented by general formula (1) P1-A1-(Z1-A2)n-P2 (in general formula (1), P1 and P2 are, independently, acrylate, methacrylate, acrylamide or methacrylamide; A1 and A2 represent, independently, 1,4-phenylene, 1,4-cyclohexane or 2,5-thiophene, or naphthalene-2,6-diyl or anthracene-2,7-diyl; at least one of A1 and A2 is substituted by at least one fluorine group; and Z1 is a —COO— group, a —OCO— group, a —O— group, a —CONH— group or a single bond, where n is 0 or 1).

Abstract: A variety of graft copolymers can be formed sodium poly(aspartate) with a wide variety of monomers in an aqueous medium by the use of grafting method in the presence of radical initiator at a temperature of from about five degrees Centigrade to about 100 degrees Centigrade. Graft copolymers at high conversion with molecular weight up to millions can be prepared using this method.

Abstract: A novel terminally modified imide oligomer having excellent solubility in organic solvents, excellent solution storage stability, and excellent molding properties such as low melt viscosity. Also, a varnish obtained by dissolving the terminally modified imide oligomer in an organic solvent; a cure product obtained by using the terminally modified imide oligomer and having excellent thermal and mechanical characteristics such as heat resistance, elastic modulus, tensile strength at break and tensile elongation at break; a prepreg; and a fiber-reinforced laminate. The soluble terminally modified imide oligomer is represented by general formula (1). In the formula, R1 and R2 each represents a divalent aromatic diamine residue; R3 and R4 each represents a tetravalent aromatic tetracarboxylic acid residue; R5 and R6 each represents a hydrogen atom or a phenyl group, with R5 or R6 being a phenyl group; m and n satisfy the following relations: m?1, n?0, 1?m+n?20 and 0.

Abstract: A golf ball comprising a thermoplastic core having an outer diameter of 1.51 inches to 1.59 inches and having an outer surface and a geometric center, each having a hardness; an outer cover layer; and an inner cover layer disposed between the core and the outer cover layer; wherein the thermoplastic core has been exposed to a gradient-initiating solution comprising a silane having the formula: wherein R? is a non-hydrolysable organofunctional group, X is a hydrolysable group, and n is 0-24, such that the hardness of the outer surface is greater than the hardness of the geometric center to define a positive hardness gradient of 5 Shore C or greater.

Abstract: Additives of a polyamic acid resin composition are disclosed, including an ester-phenol compound, an imidazole compound, and a heterocyclic aromatic amine compound other than the imidazole compound. The high cyclization temperature and long cyclization period of conventional polyamic acid resin compositions can be lowered and shorten by the additives of the invention.

Abstract: Multilayered pellets are provided that contain an ethylene-vinyl alcohol copolymer (EVOH) and a polyamide resin and that have excellent thermal stability during pelletizing and melt molding. The multilayered pellets each are composed of at least two resin layers and include a resin layer A whose main component is EVOH and a resin layer B whose main component is a polyamide resin. In the multilayered pellets, at least 70 mol % of all the terminals of the polyamide resin are blocked by units each containing an imide structure.

Abstract: A copolymer and a process of making the copolymer are disclosed. The copolymer is produced from reacting a glycidyl ester and/or ether with a polyol comprising a functionality of at least 2 wherein at least 50% by weight of the copolymer comprises a minimum of 3n+X repeating units, wherein n is a monomer unit and X is a monomer unit and/or other reactant. The copolymer may also include less than 50% of the polymeric units having the same molecular weight. The present invention is further directed to processes for preparing the copolymer and to coating compositions employing the copolymer.

Abstract: Provided herein are water-soluble prodrugs. The prodrugs of the invention comprise a water-soluble polymer having three or more arms, at least three of which are covalently attached to an active agent, e.g., a small molecule. The conjugates of the invention provide an optimal balance of polymer size and structure for achieving improved drug loading, since the conjugates of the invention possess three or more active agents releasably attached to a multi-armed water soluble polymer. The prodrugs of the invention are therapeutically effective, and exhibit improved properties in-vivo when compared to unmodified parent drug.

Abstract: A golf ball including a thermoplastic core having an outer diameter of 1.51 inches to 1.59 inches; an outer cover layer; and an inner cover layer between the core and the outer cover layer. The thermoplastic core has been exposed to a gradient-initiating solution comprising a solvent, free radical initiator, and a reactive co-agent comprising a metal salt of an acrylic or methacrylic acid, a mono- or multi-functional acrylate or methacrylate, or having the chemical structure where R=linear, branched, or aromatic C1-C14 and n=1-5, such that the hardness of the outer surface is different than the hardness of the geometric center to define a positive or negative hardness gradient of 5 Shore C or greater.

Abstract: A graft polymer mixture comprising a grafting base based on brown coal and/or polyphenol is proposed, which has, as a graft component, a copolymer consisting of one or more ethylenically unsaturated monomers different from one another and one or more polyamides different from one another. Typical grafting bases are brown coal, brown coal coke, lignite and brown coal derivatives and tannins. Suitable graft components are in particular vinyl-containing components and styrenes, which may also be present in sulphonated form. Natural polyamides, such as, for example, casein, gelatin and collagen, are suitable polyamide components. These graft polymers having a preferred molar mass Mn>5000 g/mol are suitable as a mixture, in particular in construction chemistry applications, and in the development, exploitation and completion of underground mineral oil and natural gas deposits, and in deep wells, since they have excellent salt and temperature stabilities and are simultaneously water-soluble and/or biodegradable.

Abstract: A polyurethane resin is synthesized from a compound represented by the following Formula (1), a polymerizable composition includes the polyurethane resin, a planographic printing plate precursor includes a photosensitive layer including the composition, and a method produces a diol compound that can be used as a raw material of the polyurethane resin. In Formula (1), R1 and R2 each independently represent a single bond or an alkylene group optionally having a substituent, R3 represents a hydrogen atom or an alkyl group, R4 represents a hydrogen atom or an alkyl group, and A represents a divalent or higher linking group, provided that R1 and R2 are not both a single bond.

Abstract: Disclosed is a radiation-crosslinkable thermoplastic polymer composition, a process for the preparation thereof, an angioplasty balloon and a medical catheter made using such a composition. The composition contains a reactive monomer cross-linker facilitates cross-linking of the reaction product upon contact of the cross-linker-containing composition with energy from a radiation source.

Abstract: It is provided for a resin composition including (A) at least one polyamic acid having the structure represented by the following formula (1): wherein R1 is independently an alkyl group having 1 to 3 carbon atoms or a cyano group; a is independently an integer of 0 to 4; R is a tetravalent organic group; n is an integer of 1 to 4; and m is an integer of 1 to 100,000, and (E) an organic solvent.

Abstract: The invention is based on the discovery that the compounds and compositions described herein are useful as film-forming adhesives for use in a variety of applications, including, for example, adhesive tapes for the electronic packaging industry. The invention compositions described herein can be cured in a variety of ways with or without a catalyst.

Abstract: A variety of graft copolymers can be formed sodium poly(aspartate) with a wide variety of monomers in an aqueous medium by the use of grafting method in the presence of radical initiator at a temperature of from about five degrees Centigrade to about 100 degrees Centigrade. Graft copolymers at high conversion with molecular weight up to millions can be prepared using this method.

Abstract: A radiation-curable acrylate-modified aminoamide resin which is the Michael addition product of an aminoamide thermoplastic polymer derived from a polymerised unsaturated fatty acid with a polyol ester having at least three (meth)acrylate ester groups, the aminoamide thermoplastic polymer having an amine number of from 40 to 60 mgKOH/g, the ratio of the initial (meth) acrylate groups of the polyol ester to the initial amino functional groups of the aminoamide polymer being at least 4:1, is liquid at 25° C., and is useful as the resin component of various types of energy-curable coating composition, including inks, varnishes and lacquers, especially lithographic inks.

Abstract: The present invention relates to the use of (meth)acrylate functionalized amide acetals as reactive components with crosslinking agents and UV radiation to give new coatings compositions.

Abstract: Process for manufacturing a fabric having distinctive and sharp differentially colored patterns or designs, which process comprises the steps of: (a) producing a first and a second polyamide, said polyamides having different concentrations of amine groups; (b) producing a first and a second polyamides having different concentrations of carboxyl end-groups and sulfonate groups; (c) producing a first yarn from said first polyamide and a second yarn from said second polyamide; (d) making a fabric having first surface areas defined by said first yarn and second surface areas defined by said second yarn; and (e) chemically dyeing said fabric in a dyeing bath comprising at least one anionic (acid) dyestuff and at least one cationic (basic) dyestuff, whereby said first yarn and therefore said first surface areas are dyed predominantly by said anionic dyestuff and said second yarn and therefore said second surface areas are dyed predominantly by said cationic dyestuff.

Abstract: Prepreg composite materials that include a fiber layer and a prepreg resin composed of a bismaleimide resin component, a thermoplastic toughening agent and a resin distribution stabilizer. The bismaleimide component is an amorphous mixture of at least three different bismaleimide monomers and a co-curing agent. The prepreg is useful in panel construction where a honeycomb core is sandwiched between two sheets of composite material.

Abstract: Radiation-curable acrylated polyaminoamides obtainable by Michael addition of polyaminoamides containing terminal amine groups (A) and polyolester acrylates (B), the molar ratio of the acrylate groups in the polyolester acrylates (B) to the aminohydrogen groups in the polyaminoamides (A) being at least 1:1, characterized in that the polyaminoamides have an amine value above 115, are suitable as radiation-curable compounds for the production of coatings.

Abstract: Powder coating binders having a glass temperature of ?35° C. containing at least one polymer and one or more radiation-curing reactive thinners, a process for the production of these powder coating binders and their use as a component of powder coatings.

Abstract: The present invention relates to novel poly(meth)acrylate compositions formed by polymerization of (meth)acrylate amide acetals.

Abstract: The present invention relates to the use of (meth)acrylate functionalized amide acetals as reactive components with crosslinking agents to give new coatings compositions.

Abstract: The present invention provides: a novel water-absorbing agent, which exhibits an excellent absorption capacity under a load (AAP), gel layer liquid permeation rate under a load (FRUP), saline flow conductivity (SFC), and shape-maintaining property and ball burst strength (BBS) of a swollen water-absorbing agent aggregate, and excellent persistency of these effects for a long time. The water-absorbing agent, which comprises a polymer obtained by a process including the steps of polymerizing and then crosslinking a monomer including acrylic acid and/or a salt thereof, with the water-absorbing agent being characterized by: (1) exhibiting a free swelling capacity of not less than 23 g/g (GV), a gel deformation of not more than 12.5 cm under a short-time load (0.5 hrPT), and a gel deformation deterioration of not more than 3.

Abstract: Disclosed is a reactive flame retardant which provides a resin with excellent flame retardance even when it is added in a small amount while being prevented from bleedout. Also disclosed is a flame-retardant resin processed article obtained by using such a reactive flame retardant. An organophosphorus compound represented by the general formula (I) below, wherein at least one or more of X1-X3 represent a group containing phosphorus and having a terminal unsaturated group, is used as a reactive flame retardant which is reactive with resins. A flame-retardant resin processed article can be obtained by solidifying the resin composition containing the organophosphorus compound and then reacting it through heating or application of radiation.

Abstract: Disclosed is a resin composition composed of a heat-treated resin component (A) obtained by heating and mixing an aromatic imide resin or an aromatic imidazole resin with a carboxylic acid anhydride, and a silane compound (B) having at least one functional group selected from the group consisting of an epoxy group, an amino group, an amide group, a methoxy group, an isocyanate group, a carboxyl group, a mercapto group, a vinyl group, a (poly)sulfide group and a methacrylo group. This resin composition has excellent heat resistance of aromatic imide resins and aromatic imidazole resins while being remarkably improved in adhesion to various bases.

Abstract: A copolymer and a process of making the copolymer are disclosed. The copolymer is produced from reacting a glycidyl ester and/or ether with a polyol comprising a functionality of at least 2 wherein at least 50% by weight of the copolymer comprises a minimum of 3n+X repeating units, wherein n is a monomer unit and X is a monomer unit and/or other reactant. The copolymer may also include less than 50% of the polymeric units having the same molecular weight. The present invention is further directed to processes for preparing the copolymer and to coating compositions employing the copolymer.

Abstract: A process for preparing an aqueous polymer dispersion, in which, in an aqueous medium, in a first reaction stage, a diamine compound and a dicarboxylic acid compound are reacted in the presence of an enzyme and of a dispersant, and also, if appropriate, of a low water solubility organic solvent and/or of an ethylenically unsaturated monomer, to give a polyamide, and thereafter, in the presence of the polyamide, in a second reaction stage, an ethylenically unsaturated monomer is free-radically polymerized.

Abstract: The present invention relates to primer compositions in non-flowable form. More particularly, the present invention relates to non-flowable primer compositions which are particularly useful for use with curable adhesive and sealant compositions in threadlocking, retaining, bonding and sealing applications and which can be packaged in a convenient pocket-sized applicator dispenser.

Abstract: Provided herein is a PEA polymer blend and coatings or implantable devices formed therefrom. The PEA polymer blend is formed of a PEA polymer and a material capable of hydrogen bonding with the PEA. The PEA polymer blend can form a coating on an implantable device, one example of which is a stent. The coating can optionally include a biobeneficial material and/or optionally with a bioactive agent. The implantable device can be used to treat or prevent a disorder such as one of atherosclerosis, thrombosis, restenosis, hemorrhage, vascular dissection or perforation, vascular aneurysm, vulnerable plaque, chronic total occlusion, claudication, anastomotic proliferation for vein and artificial grafts, bile duct obstruction, ureter obstruction, tumor obstruction, and combinations thereof.

Abstract: The present invention relates to adhesive and sealant compositions in non-flowable form. More particularly, the present invention relates to non-flowable adhesive and sealant compositions which are particularly useful in the threadlocking and sealing applications and which can be packaged in a convenient pocket-sized applicator dispenser.