Abstract: A method including reacting a chemical mixture (A) and a chemical mixture (B) to form a polymeric compound, wherein where (A) and (B) are immiscible with each other, and wherein: (A) is an aqueous base comprising a monomeric polyamine reactant having one or more hexafluoroalcohol groups represented by Formula 1: wherein R0 represents an organic group selected from the group consisting of aliphatic, alicyclic, aromatic, heterocyclic groups and combinations thereof, m is an integer of 2 or more, and n is an integer of 1 or more, and (B) is organic and comprises a monomeric polyfunctional acyl halide reactant represented by Formula 2: R1?COX)p ??Formula 2 wherein R1 represents an organic group selected from the group containing aliphatic alicyclic, aromatic, heterocyclic groups and combinations thereof, X is selected from the group consisting of fluorine, chlorine, bromine and iodine, and p represents an integer of 2 or more.

Abstract: The present invention refers to medical devices comprising a modified Co-Polymer and the modified Co-Polymer itself having high flexibility and high stress resistance, especially tensile strength or tear resistance, in addition to the good physical characteristics of the known Block-Co-Polymers of a polyamide and a polyether, either polyether diol or polyether diamine.

Abstract: A polyimide MMC membrane useful for the production of oxygen-enriched air or nitrogen-enriched-air, for the separation of carbon dioxide from hydrocarbons or nitrogen, and the separation of helium or hydrogen from various streams. Membranes of polyimide polymers, such as polyimide polymers sold under the tradename P-84, are mixed with molecular sieve materials, such as SSZ-13, to make MMC membranes. The MMC membranes of the invention provide improved membrane performance compared to polymer only membranes, particularly when used to form asymmetric film membranes or hollow fiber membranes. The MMC films exhibit consistent permeation performance as dense film or asymmetric membranes, and do not interact with components of the process streams, such as organic solvents. The membranes of the invention exhibit particularly surprisingly good selectivity for the fluids of interest.

Abstract: A continuous process for producing polyamides, their oligomers or mixtures thereof, if appropriate with further reaction products, comprises reaction of aminonitriles or dinitriles and diamines or mixtures thereof, if appropriate together with further polyamide-forming monomers and/or oligomers, with an aqueous medium composed of aqueous monomer and oligomer extracts obtained from polyamide production by extraction of the polymer with water in a reactor which has a vertical longitudinal axis and through which there is a flow substantially in the longitudinal direction wherein water and/or the aqueous medium are introduced into the reactor at two or more different locations along the vertical longitudinal axis, wherein the aqueous medium is introduced at one or more locations.

Abstract: What is disclosed relates to polymers that resist dissolution in organic solvents, are vasodilators, and are tunable explosives. These polymers also form solvent resistant coatings and solvent resistant fibers as well as bonding materials.

Abstract: The present invention relates to a process for the preparation of particularly reactive and low-viscosity reaction products of polyisocyanates which contain activated ethylenically unsaturated groups which react by polymerization under the action of actinic radiation, and the use of these reaction products in coating compositions, and particularly scratch-resistant coatings obtainable therefrom.

Abstract: The invention relates to extruded transparent or translucent article that have been melt calendered to improve the physical properties and optical clarity. The polyamide article is a sheet, film, or profile.

Abstract: The present invention generally relates to solution electrospinning processes for fabricating fibers, to the fibers prepared thereby, and to non-woven webs, fabrics, porous composite filter media, and articles comprising the fibers.

Abstract: The invention relates to a process for increasing the molecular weight of a polyamide via solid-state post-condensation by exposing the polyamide in the solid-state at elevated temperature to an inert gas atmosphere, that comprises a step (a) wherein the gas atmosphere to which the polyamide is exposed has a dew temperature Tdew-1, followed by a step (b) wherein the gas atmosphere to which the polyamide is exposed has a dew temperature Tdew-2, whereby Tdew-1 is higher than Tdew-2. The effect is that a high molecular weight polyamide can be obtained in a shorter production time.

Abstract: A crosslinkable binder consisting of a base polymer selected from poly(meth)acrylates, polyesters, polyurethanes, polyamides, polyolefins, polyethers, copolymers of vinyl esters, silicones, wherin the binder has number-average molecular weight (MN) between 500 g/mol and 1 000 000 g/mol and contains at least one crosslinkable thiophene or pyrrole group in covalently bonded form.

Abstract: The present invention relates to a method for the production of a stable biodegradable, high water absorbable ?-polyglutamic acid (?-PGA) hydrogel by directly cross-linking (A) a ?-polyglutamic acid (?-PGA), a ?-polyglutamate, or a mixture thereof, and optionally a polysaccharide containing a carboxylic and/or carboxylate group, an amino acid, or a mixture thereof; and/or (B) a microbial culture broth containing a ?-polyglutamic acid (?-PGA), a ?-polyglutamate, or a mixture thereof, and optionally a polysaccharide containing a carboxylic and/or carboxylate group, an amino acid, or a mixture thereof, with a cross-linker comprising a compound having three or more functional groups or a mixture of a compound having three or more functional groups and a compound having two functional groups, wherein each of the functional groups can react with a carboxylic group (—COOH), carboxylate group (—COO?), aldehyde group (—CHO), hydroxyl (—OH), carbonyl group (—CO), sulfone group (—SO2), amino group (—NH2) or nitro gro

Abstract: Product containing epichlorohydrin and at least one alkyl glycidyl ether in an amount of less than 0.1 g/kg of product. Use of the product containing epichlorohydrin in the manufacture of epoxy resins, of glycidyl ethers, of glycidyl esters, of glycidyl amides, of glycidyl imides, of products that will be used in food and drink applications, of cationization agents, and of flame retardants, of products which will be used as detergent ingredient and of epichlorohydrin oligomers.

Abstract: The invention relates to a non-fibrous polymer solution essentially consisting of 1 to 8 wt. % para-aramid, at least 50 mole % of the aromatic moieties thereof being unsubstituted, in a mixture of a) a polar amide solvent selected from N-methyl-2-pyrrolidone, N,N?-dimethyl-formamide, N,N?-dimethylacetamide, tetramethylurea, and mixtures thereof; b) between 0.7 mole of an alkali or alkaline earth metal chloride per mole amide groups of the para-aramid and 7.5 wt. % of the alkali or alkaline earth metal chloride, and c) water; and wherein at least 50 wt. % of the formed hydrochloric acid has been neutralized to obtain a solution having a dynamic viscosity which is at least a factor three smaller than the dynamic viscosity of the polymer solution without neutralization. The invention further pertains to a process making the same and para-aramid pulp-like fiber, paper and film made from said polymer solution.

Abstract: Diamine compounds, which in particular are useful as precursors for the production of liquid crystal alignment layers, represented by general formula (I), wherein A1 represents an organic group of 1 to 40 carbon atoms; A2 represents a hydrogen atom or an organic group of 1 to 40 carbon atoms.

Abstract: The invention relates to a composition, and structures having a layer made of said composition, in which the composition is, by weight, the total being 100%: 50 to 100% of at least one polyamide A1 of formula X.Y/Z or 6.Y2/Z in which: X denotes the residues of an aliphatic diamine having from 6 to 10 carbon atoms, Y denotes the residues of an aliphatic dicarboxylic acid having from 10 to 14 carbon atoms, Y2 denotes the residues of an aliphatic dicarboxylic acid having from 15 to 20 carbon atoms and Z denotes at least one unit chosen from the residues of a lactam, the residues of an ?,?-aminocarboxylic acid, the unit X1, Y1 in which X1 denotes the residues of an aliphatic diamine and Y1 denotes the residues of an aliphatic dicarboxylic acid, the weight ratios Z/(X+Y+Z) and Z/(6+Y2+Z) being between 0 and 15%; 0 to 40% of a plasticizer; 0 to 50% of an impact modifier; and 0 to 50% of a polyamide A2.

Abstract: A protective film of plastic. The film is produced in a single-ply, unbacked form from a hot-melt adhesive.

Abstract: The present invention provides a precursor composition for polyimides, said composition comprising an amic acid oligomer of formula (1) and a dianhydride derivative with ester (—C(O)OR) and carboxy (—C(O)OH) terminal groups of formula (2): wherein R, G, G1, P, D and m are as defined in the specification. The invention also provides polyimides synthesized from the above-mentioned precursor composition.

Abstract: Disclosed in embodiments herein is a method of synthesizing device forming monomers using N-(Vinyloxycarbonyloxy)succinimide.

Abstract: The present invention relates to novel therapeutic and diagnostic dendrimer based modular platforms (e.g., drug delivery platforms). In particular, the dendrimer based modular platforms are configured such that two or more dendrimers (e.g., PAMAM dendrimers) are coupled together (e.g., via a cycloaddition reaction) wherein each of the coupled dendrimers is functionalized (e.g., functionalized for targeting, imaging, sensing, and/or providing a therapeutic or diagnostic material and/or monitoring response to therapy). In some embodiments, the present invention provides dendrimer based modular platforms having coupled dendrimers (e.g., two or more coupled dendrimers) wherein each dendrimer is conjugated to one or more functional groups (e.g., therapeutic agent, imaging agent, targeting agent, triggering agent) (e.g., for specific targeting and/or therapeutic use of the dendrimer based modular platform).

Abstract: Spherical polyamide particles having a mean particle size of less than 1 mm, notably less than 100 ?m, are produced by dispersing the polyamide monomers in an inert liquid and then polymerizing same.

Abstract: A method for the production of a fluorinated phenylenediamine is provided which comprises steps of reacting a diamide represented by the following formula with NaOCl at a molar ratio of the NaOCl to the diamide in the range of 2.0-6.0 and NaOH at a molar ratio of the NaOH to the diamide in the range of 1.8-6.0 is provided. According to this invention, the fluorinated phenylenediamine can be produced conveniently in a high yield.

Abstract: Disclosed herein are hydrophobically-modified poly(aminoamides) useful as fixative detackifiers for stickies and pitch control in papermaking processes. These polymers are prepared via modification of amine-containing water-soluble poly(aminoamides) with reactive functional group-containing hydrophobic compounds. In particular, poly(aminoamides) may be modified, under appropriate reaction conditions, with long chain alkyl glycidyl ether, AKD (alkyl ketene dimer), ASA (alkyl succinyl anhydride), or Quab (3-chloro-2-hydroxypropyl-N,N,N-dimethylalkyl ammonium chloride). These novel polymers are effective in inhibiting deposition of organic contaminants in pulp and papermaking systems.

Abstract: The present invention provides a useful and novel alicyclic polyesterimide. An alicyclic polyesterimide produced by imidation of an alicyclic polyesterimide precursor is found to be a useful material in industrial fields, the alicyclic polyesterimide precursor being obtained by reacting an alicyclic tetracarboxylic anhydride having an ester group or a class of tetracarboxylic acid thereof as a starting material with an amine.

Abstract: This invention relates to compositions and methods for the use of anti-autoimmune reagents that specifically bind to anti-desmoglein antibodies, which are responsible for both pemphigus vulgaris and pemphigus foliaceus. In addition, the invention relates to methods and compositions for inhibiting the expression or function of a variable region of an anti-desmoglein (anti-Dsg) pathogenic autoantibody.

Abstract: The present invention provides a non-halogen polyamide-imide resin soluble in an amide solvent at a concentration of 10%, the resulting varnish, when stored at 5° C. for 1 month, exhibiting a solution viscosity change ((solution viscosity after 1 month?initial solution viscosity)/initial solution viscosity), expressed as an absolute value, of not greater than 3.0, and the resin having a moisture absorption (25° C., 90% RH, 24 hours) of not greater than 2.0%; a flexible metal-clad laminates using such a resin; and a flexible printed wiring board prepared from such a flexible metal-clad laminate by circuit formation. The flexible metal-clad laminate of the invention does not curl under any conditions, including humid conditions, and exhibits excellent dimensional stability since the heat resistant resin used as an insulation material has low moisture absorption and low thermal expansion coefficient and there is less internal stress in the flexible metal-clad laminate.

Abstract: Polyether polymers, such as polyetherimides, are prepared by the reaction of a dihydroxy-substituted aromatic hydrocarbon alkali metal salt, such as bisphenol A disodium salt, with a bis(N-(chlorophthalimido))aromatic compound, such as 1,3- and/or 1,4-bis(N-(4-chlorophthalimido))benzene, in a solvent such as o-dichlorobenzene and in the presence of a phase transfer catalyst such as a hexaalkylguanidinium chloride. Several embodiments may be employed to improve the method. They comprise employing substantially dry reagents, employing a high solids level in solvent, beginning with an excess of bis(N-(chlorophthalimido))-aromatic compound and incrementally adding alkali metal salt, employing alkali metal salt of small particle size, and using reagents of high purity.

Abstract: Cyclic alkyl, particularly cyclohexyl, substituted glycolides and polylactides are described. The polylactides have a high glass transition temperature and improved clarity.

Abstract: Polymers initiated with hydroxamates and compositions containing such polymers are suitable for use in making medical devices, delivery agents, coatings for such items, and the like.

Abstract: Very low loading of impact modifier less than 4% can significantly improve elongation and impact strength of N6/clay nanocomposites and keep the high tensile strength and modulus. This rubber modified nylon nanocomposites have potential applications in fabricating high-strength fibers for textile industry, coatings for strings or polymer parts, and packaging industry.

Abstract: Marine umbilicals are provided comprising polyamide compositions having good hydrolysis resistance and that may optionally contain plasticizer.

Abstract: A laser light transmissive resin member for laser-welding includes a laser welding portion adapted to be laser-welded to an external resin component. The laser welding portion is colored so as to display such a color that satisfies the following relations: V?0.229H+3.714, V??0.8H+24, V?3; and C??0.075H2+1.936H+1.267, C?2. In a Munsell color system, V is value; C is chroma; and H is hue on condition that a hue circle is divided into 100 parts and one of 0 and 100 is assigned to 10 RP of hue. A transmission factor of the laser welding portion when the laser welding portion is irradiated with laser light having a wave length of 800 nm or greater, is equal to or larger than 15%.

Abstract: A polyimide film in which the dimensional change is reduced when it has undergone a step of laminating a metal on the polyimide film or a step of etching the metal layer to form wiring, and the rate of dimensional change can be stabilized across the entire width is provided. The object can be solved by a polyimide film produced by a continuous process, wherein when a coefficient of linear expansion a in a direction of the molecular orientation axis and a coefficient of linear expansion b in a direction perpendicular to the molecular orientation axis are measured in the temperature range of 100° C. to 200° C., a and b satisfy a particular relationship across the entire width, or a polyimide film produced by a continuous process, wherein when a tear propagation resistance c in the direction of the molecular orientation axis and a tear propagation resistance d in the direction perpendicular to the molecular orientation axis are measured, c and d satisfy a particular relationship across the entire width.

Abstract: The present invention relates to a composition of citric acid based emulsifiers comprising polyamides for oilfield drilling applications that exhibit very low fluorescence, and to a process for their preparation.

Abstract: This invention relates to a novel polyimide silicone having an alcoholic hydroxyl group and a process for the preparation thereof. The polyimide of the invention having a primary alcoholic hydroxyl group is represented by the following general formula (1), wherein X represents a tetravalent organic group, Y represents a divalent group having at least one monovalent group selected from the group consisting of a phenolic hydroxyl group and a carboxyl group, with at least one being a divalent organic group having an alcoholic hydroxyl group, Z represents a divalent organic group, W represents a divalent organic group having an organosiloxane structure, k is a positive number, and each of m and n is equal to 0 (zero) or a positive number, with 0.1?k/(k+m+n)?1, 0?m/(k+m+n)?0.8, 0?n/(k+m+n)?0.8.

Abstract: To provide polyamic acids and polyimides, which have high light transmittance and heat resistance such that their thermal decomposition temperatures are at least 300° C. and which are excellent in their solubility in solvents and have their processability improved. A polyamic acid comprising repeating units represented by the following formula (1), characterized in that at least 10 mol % of A has a structure represented by the formula (2), or a polyimide obtainable by cyclodehydration of such a polyamic acid.

Abstract: Polyamide, whose main chain contains a chemically bound amine selected from the group consisting of 2-methyl-1,5-diaminopentane and 1-amino-2-R-cyclopent-1-ene, where R is a functional group capable of combining with an amino group to form an amide group, and processes for preparing such a polyamide and fibers, films and moldings comprising such a polyamide.

Abstract: A polyimide resin is produced by the reaction of a compound selected from 1,2,4,5-cyclohexanetetracarboxylic acid, dianhydride thereof and reactive derivatives thereof and a compound selected from diamines and diisocyanates each containing at least one phenylene group and at least one isopropylidene group. The polyimide resin is colorless and exhibits a high heat resistance, a high transparency and a low water absorption.

Abstract: The present invention is directed to maleamic acid derivatives of water soluble polymers, to chemically stable water-soluble polymer succinamic acid-active agent conjugates, and to methods for reproducibly preparing, characterizing and using such polymer reagents and their conjugates.

Abstract: An insulation element is provided for installation in a gap of thickness G provided between two objects. The insulation element includes a body made from a thermoplastic polymer material. The body has a first face, a second face and a thickness defined between the first and second faces. The body is characterized by a semi permanently pre-installation thickness T1 where T1 is less than G. The body swells upon heating to a thickness T2 where T2 is greater than or equal to G so that the insulation element bridges the gap, engages the two objects and provides a spring rate of between 4.0 and 275.0 grams per square inch.

Abstract: Controlled geometry particles of thermoplastic polymers are prepared from compositions containing the thermoplastic polymer and two additives, in the molten state, by cooling the molten composition and disintegrating the resulting dispersion of thermoplastic polymer; powders obtained therefrom advantageously have mean particle diameters ranging from 0.1 to 800 ?m and are useful additives in, e.g., paints and coatings.

Abstract: Antireflective coatings and related polymers are disclosed.

Abstract: Novel stabilizers that are comprised of known polymer additive moieties chemically bound to hyperbranched and/or dendritic polymers or copolymers, and novel stabilizers comprised of known polymer additive moieties chemically bound to amphiphilic copolymers exhibit superior permanence in an organic substrate as well as high surface affinity.

Abstract: The present invention provides micro- and nanofibers made from polymers that comprise nanoparticles, such as carbon nanoparticles and inorganic nanoparticles, and methods of making such fibers.

Abstract: New polyols; oligomers, and polymers made from the polyols; and binders made from the new polyols, oligomers, or polymers that can be used in binders, where the binders typically include one or more polyols, and a polyfunctional acid or a polyfunctional nitrile.

Abstract: The invention pertains to an aramid copolymer composition comprising an aramid copolymer having at least one arylene carboxylic acid moiety and at least one hydroxyarylene moiety, or comprising an aramid copolymer having at least one arylene carboxylic acid moiety or having at least one hydroxyarylene moiety, and a crosslinker agent. The invention further relates to crosslinked copolymers derived thereof and shaped articles comprising said crosslinked copolymers.

Abstract: Diamine compound containing specific triazine group, polyamic acid obtained by reacting the diamine compound and tetracarboxylic dianhydride, and liquid crystal alignment film obtained by coating and imidizing the polyamic acid. The liquid crystal alignment film has good heat-resistance, high transparency in visible light region and improved voltage holding ratio. Also, pretilt angle is easily controlled over broad range.

Abstract: The invention relates to a composition containing a particulate solid, a plastic material and a compound. The invention further relates to novel compounds, and the use of the coupling agents.

Abstract: A polyamide resin comprising a dicarboxylic acid constitutional unit comprising an adipic acid unit and a diamine constitutional unit comprising a pentamethylenediamine unit and a hexamethylenediamine unit wherein a weight ratio of the pentamethylenediamine unit to the hexamethylenediamine unit being in the range of 95:5 to 60:40; a vibration-welded molded product having an excellent vibration welding strength, a hinged molded product and a binding band having an excellent low-temperature toughness, and a filament having an excellent transparency which are obtained from the polyamide resin; and a hinged molded product comprising a polyamide resin constituted of an adipic acid unit and a pentamethylenediamine unit.

Abstract: The invention relates to compounds of formula (I) which contain aldimine, and to the use thereof. Said compounds which contain aldimines are characterized in that they are odor-less and during hydrolysis the odor-free aldehydes are separated. They are used, therefor, as sources for aldehydes. They can also be used in cross-linking reactions.

Abstract: A UV-protective water-soluble polyaminoamide comprising UV-absorbing end groups, wherein the polyaminoamide absorbs ultraviolet light radiation having a wavelength of about 200 nm to about 420 nm, compositions comprising the UV-protective polyaminoamide and methods of treating substrates with the UV-protective polyaminoamide.