Abstract: The present invention relates to reaction products H of at least one cyclic urea U, at least one multifunctional aldehyde A and at least one polyol P, process for preparing thereof and compositions comprising thereof.

Abstract: This disclosure describes new compositions and methods related to photoresponsive poly(hexahydrotriazines) and related polymers. In an embodiment, a method of patterning a substrate includes forming a liquid poly(hemiaminal) material by a process that includes forming a reaction mixture comprising a polar solvent, paraformaldehyde, and an aminobenzene compound having photoreactive groups, and heating the reaction mixture at a temperature up to 50° C. The method further includes applying the liquid poly(hemiaminal) material to a substrate; patterning the liquid poly(hemiaminal) material with UV light; and curing the liquid poly(hemiaminal) material to form a cured poly(hexahydrotriazine) polymer.

Abstract: Soy protein and carbohydrate containing binder compositions are described. The binder compositions may include a carbohydrate, a nitrogen-containing compound, and a soy protein. The binder compositions may also optionally include thickening agents such as modified celluloses and polysaccharides.

Abstract: Disclosed is a pharmaceutical composition, comprising: a) at least one sorbitan unsaturated fatty acid ester having a polar head with at least two or more —OH (hydroxyl) groups; b) at least one phospholipid; c) at least one liquid crystal hardener which is free of an ionizable group and has a triacyl group with 15 to 40 carbon atoms or a carbon ring structure in a hydrophobic moiety; and d) at least one GnRH (gonadotropin-releasing hormone) analogue as a pharmacologically active substance, wherein said lipid pre-concentrate exists as a liquid phase in absence of aqueous fluid and forms into a liquid crystal in presence of aqueous fluid. The pharmaceutical composition is configured to enhance the sustained release of the pharmacologically active substance GnRH analogue.

Abstract: The present invention is directed towards an electrodepositable coating composition comprising a polyamine-dialdehyde adduct comprising a polymerization product of a polyamine and a dialdehyde. Also disclosed are methods of making the electrodepositable coating composition, methods of coating a substrate, and substrates treated with the electrodepositable coating composition.

Abstract: The present invention is directed to a novel polyalkylene glycol based reagent with aldehyde end groups, wherein the preparation of the reagent includes the steps of provide a polyalkylene glycol; provide an aldehyde compound; mix both reagents polyalkylene glycol and aldehyde in 1:2 equivalent; stir the mixture for a certain period of time until a clear solution is obtained, and dilute with water to a desirable concentration.

Abstract: A process for preparing polymeric, ionic compounds comprising imidazolium groups (polymeric, ionic imidazolium compounds for short) comprising reacting an a-dicarbonyl compound, an aldehyde, —at least one amino compound having at least two primary amino groups (referred to as oligoamine), if appropriate an amino compound having only one primary amino group (referred to as monoamine) and a protic acid, wherein the protic acid is placed in the reactor and the oligoamine or the aldehyde and o dicarbonyl compound or the oligoamine, the aldehyde and ?-dicarbonyl compound are fed to the protic acid.

Abstract: This disclosure describes new compositions and methods related to photoresponsive poly(hexahydrotriazines) and related polymers.

Abstract: A process for preparing polymeric, ionic compounds comprising imidazolium groups (polymeric, ionic imidazolium compounds for short) comprising reacting—an ?-dicarbonyl compound,—an aldehyde,—at least one amino compound having at least two primary amino groups (referred to as oligoamine),—if appropriate an amino compound having only one primary amino group (referred to as monoamine) and a—protic acid, wherein the molar ratio of the ?-dicarbonyl compound to the oligoamine is greater than 1.

Abstract: A biodegradable crosslinked polymer which is a reaction product of a polymer having aldehyde-reactive functional groups and a polyaldehyde, wherein the polymer having aldehyde-reactive functional groups comprises a biodegradable structure or the polyaldehyde comprises a biodegradable structure.

Abstract: This invention relates to a process to make a reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U, by mixing the at least one multifunctional aldehyde A with the at least one cyclic urea U in the presence of at least one alcohol R1—OH, and optionally, at least one solvent that has no reactive groups which may react with aldehyde groups, —CO—NH— groups, or hydroxyl groups, to effect an addition reaction to obtain a solution of a product UA, where R1 is selected from the group consisting of linear, branched or cyclic alkyl groups having from one to twelve carbon atoms, to the reaction product obtained by this process, and to a method of use thereof as crosslinker for coating compositions.

Abstract: Disclosed is a sustained release lipid pre-concentrate, comprising: a) a sorbitan unsaturated fatty acid ester having a polar head with at least two or more —OH (hydroxyl) groups; b) a phospholipid; and c) a liquid crystal hardener, free of an ionizable group, having a hydrophobic moiety of 15 to 40 carbon atoms with a triacyl group or a carbon ring structure. The lipid pre-concentrate exists as a liquid phase in the absence of aqueous fluid and forms into a liquid crystal in the presence of aqueous fluid. Also, a pharmaceutical composition further comprising a pharmacologically active ingredient plus the pre-concentrate is provided.

Abstract: The invention relates to a crosslinker composition comprising a reaction product of a cyclic urea U and a multifunctional aliphatic aldehyde A, and at least one crosslinker selected from the group consisting of reaction products of an aminotriazine and at least one aldehyde selected from the group consisting of aliphatic monoaldehydes and multifunctional aliphatic aldehydes having the structure Y(CHO)n, where Y is an n-functional aliphatic residue, and n is greater than 1; reaction products of urea and/or cyclic ureas and formaldehyde; alkoxycarbonyl-aminotriazines; multifunctional isocyanates which may be partially or completely blocked; reaction products of phenols and aliphatic monoaldehydes; multifunctional epoxides; multifunctional aziridines; and multifunctional carbodiimides, wherein any of the crosslinkers which have hydroxyl groups may be etherified with one or more linear, branched, or cyclic aliphatic alcohols.

Abstract: This invention relates to a process to make a reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U, by mixing the at least one multifunctional aldehyde A with the at least one cyclic urea U in the presence of at least one alcohol R1—OH, and optionally, at least one solvent that has no reactive groups which may react with aldehyde groups, —CO—NH— groups, or hydroxyl groups, to effect an addition reaction to obtain a solution of a product UA, where R1 is selected from the group consisting of linear, branched or cyclic alkyl groups having from one to twelve carbon atoms, to the reaction product obtained by this process, and to a method of use thereof as crosslinker for coating compositions.

Abstract: This invention relates to products H made by reaction of a cyclic alkyleneurea U, at least one multifunctional aldehyde A2, and at least one of (a) an aminoplast former M that is not the same as the cyclic alkyleneurea U, and (b) a monofunctional aldehyde A1, which product H is optionally etherified by reaction of at least a part of the hydroxyl groups formed by addition reaction of N—H groups and aldehyde groups, with an alcohol having from one to ten carbon atoms, and wherein glyoxal is present in the at least one multifunctional aldehyde A2, to processes for their preparation, and to a method of use thereof in coating compositions.

Abstract: The present invention relates to water-dispersible core-shell microcapsules essentially free of formaldehyde. In particular it concerns oligomeric compositions comprising, and the microcapsules obtained from, particular reaction product between a polyamine component and a particular mixture of glyoxal and a C4-6 2,2-dialkoxy-ethanal. The present invention comprises also the invention's core-shell microcapsules as part of a perfuming composition or of a perfuming consumer product.

Abstract: The instant invention provides crosslinkable compositions, and method of producing the same. The non-aqueous single phase crosslinkable composition comprises: (a) a polyol having an average of 2 or more hydroxyl functional groups; (b) polyaldehyde, or acetal or hemiacetal thereof; and (c) an acid catalyst having pK of less than 6; and (d) optionally one or more organic solvents.

Abstract: The invention relates to a process for working up particulate crude polyoxymethylene, which comprises the following steps: (a) introduction of the particulate crude polyoxymethylene into an extraction column (13) operated at a pressure in the range from 1 to 6 bar, (b) introduction of a polar extractant into the extraction column (13) with a temperature in the range from 95 to 140° C. and a pressure in the range from 1 to 6 bar, wherein from 10 to 1000 ppm, based on the amount of polar extractant introduced, of a buffer substance which buffers in the pH range from 7.5 to 11.5 are introduced into the extraction column (13).

Abstract: Water-dispersible core-shell microcapsules that are essentially free of formaldehyde. Also, oligomeric compositions of, and microcapsules obtained from, particular reaction products between a polyamine component and a particular mixture of glyoxal and a C4-6 2,2-dialkoxy-ethanal. These compositions and microcapsules can be used as part of a perfuming composition or of a perfumed consumer product.

Abstract: The present invention relates generally to substrates for making polymers and methods for making polymers. The present invention also relates generally to polymers and devices comprising the same.

Abstract: Process for preparing polymeric, ionic compounds comprising imidazolium groups, wherein an ?-dicarbonyl compound, an aldehyde, at least one amino compound having at least two primary amino groups, if appropriate an amino compound having only one primary amino group and a protic acid, where the carbonyl groups of the ?-dicarbonyl compound and of the aldehyde may, if appropriate, also be present as hemiacetal, acetal or hemiketal or ketal, are reacted with one another.

Abstract: This invention relates to resins useful for drainage in papermaking and the process of making paper using the resins. In particular the invention relates to glyoxalated copolymers of acrylamide containing significant amounts of cationic comonomer.

Abstract: The current invention includes a composition having stability additives of selected inorganic salts and/or organic incorporated into an aldehyde-functionalized polymer product. The stability additive can be post added to the finished polymer product, added to the reaction vessel prior to inducing functionalization of the non-functionalized polymer, or added at any stage during the functionalization reaction. Methods for forming the composition and using the composition to produce a cellulosic fiber-based medium are also disclosed.

Abstract: A method of preparation for Self-supporting dynamic polymer membranes (called “dynamer” membranes) of the polyimine type is provided along with their use in separation processes, especially for separating gaseous species.

Abstract: The present invention relates to an extreme low formaldehyde emission UF resin with a novel structure, and a process for its preparation. This UF resin is produced from formaldehyde, urea, a long chain multi-aldehyde prepolymer, and some modifiers. Its process follows three steps: weak caustic, weak acid and weak caustic. By using this prepolymer, the modified UF resin has stable alkyl ether structure, and the residual aldehyde groups on the UF polymer chain could accelerate cross-linking instead of dissociative formaldehyde. The UF resin made from this invention has extreme low dissociative formaldehyde and simple technology. The boards produced from this resin have good physical performance and water resistance. Moreover, the formaldehyde emission of the boards is extreme low, achieving Japan F???? grade, the average emission value ?0.3 mg/L.

Abstract: The instant invention provides a crosslinkable aqueous composition, method of producing the same, crosslinked compositions, and method of producing the same. The crosslinkable composition comprising: an aqueous dispersion comprising; (a) water; (b) a polycarbamate comprising at least an average of 2.0 carbamate functional groups; (c) a polyaldehyde comprising at least two aldehyde groups; (d) an acid catalyst; and (e) optionally one or more surfactants; wherein said aqueous dispersion has a pH in the range of less than 7; and wherein said composition is capable of being crosslinked at a temperature in range of less than 80° C. upon substantial removal of water.

Abstract: The present invention provides a multicomponent composition that is substantially isocyanate-free and comprises a polycarbamate as a first component and a polyaldehyde or an acetal or hemiacetal thereof as a second component and further comprises an effective amount of a triggering agent such that the first and second components to cure at a temperature of from 0C to less than 80C to form a crosslinked polyurethane. The multicomponent composition forms an ambient temperature curable composition when all of its components are combined that has a pH of 7.0 or less. The present invention also provides processes crosslinked polyurethanes, and the crosslinked polyurethanes prepared by the processes.

Abstract: The invention relates to a coating composition comprising a reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U, and a crosslinkable resin having at least one kind of functional groups selected from the group consisting of hydroxyl functional groups, acid functional groups, amide functional groups, amino functional groups, imino functional groups, mercaptan functional groups, phosphine functional groups, and carbamate functional groups, characterised in that the degree of etherification, measured as the ratio <<(-0-R)/<<(U) of the amount of substance n(-O-R) of alkoxy groups as substituents of the aldehyde carbon atoms of the multifunctional aldehyde chemically bound in the reaction product UA to the amount of substance <<(U) of cyclic urea U chemically bound in the reaction products, is less than 0.01 mol/mol, and to a process for the preparation of the reaction product UA.

Abstract: The invention relates to a reaction product UA of at least one cyclic urea U and at least one multifunctional aldehyde A which reaction product has as substituents on the carbonyl carbon atoms of the aldehyde A at least one kind of functional groups selected from the group consisting of hydroxyl groups —OH and alkoxy groups —OR characterised in that the groups —OR comprise at least two kinds of alkoxy groups —OR1 and —OR2, where R1 and R2 are both selected from the group consisting of linear, branched or cyclic alkyl groups having from one to twelve carbon atoms, where R1 and R2 may be the same or may be different from each other, to a process of making these, and to a method of use as crosslinker in coating compositions.

Abstract: This invention relates to a process to make a reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U, by mixing the at least one multifunctional aldehyde A with the at least one cyclic urea U in the presence of at least one alcohol R1—OH, and optionally, at least one solvent that has no reactive groups which may react with aldehyde groups, —CO—NH— groups, or hydroxyl groups, to effect an addition reaction to obtain a solution of a product UA, where R1 is selected from the group consisting of linear, branched or cyclic alkyl groups having from one to twelve carbon atoms, to the reaction product obtained by this process, and to a method of use thereof as crosslinker for coating compositions.

Abstract: The invention relates to microcapsules, the capsule walls of which comprise a resin that can be obtained by reacting a) at least one compound selected from the group consisting of a1) amines and a2) aromatic or heteroaromatic compounds which are unsubstituted or substituted with one or more substituents from the group consisting of C1-C20-alkyl, OH, OR, COOH, SH, SR, NHCOR, OCOR, halogen, or an aromatic compound, where R is a C1-C10-alkyl group, with b) at least one aldehydic component that contains at least two carbons atoms per molecule, in the presence of c) at least one copolymer which contains units of 2-acrylamido-2-methylpropane sulphonic acid or salts (AMPS) thereof and/or 2-acrylamido-2-methylpropane phosphonic acid or salts (AMPP) thereof and units of one or more (meth)acrylates.

Abstract: Storage-stable glyoxalated polyacrylamide polymers and high solids aqueous compositions formulated with them are described. These glyoxalated polyacrylamide compositions can be used as additives for papermaking, providing paper with good dry and temporary wet strength, and increasing papermaking de-watering rates.

Abstract: Water-dispersible core-shell microcapsules that are essentially free of formaldehyde. Also, oligomeric compositions of, and microcapsules obtained from, particular reaction products between a polyamine component and a particular mixture of glyoxal and a C4-62,2-dialkoxy-ethanal. These compositions and microcapsules can be used as part of a perfuming composition or of a perfumed consumer product.

Abstract: The invention relates to N-bridged polynitrons and their use for cross-linking of unsaturated polymers, as well as a curable composition comprising (a) a N-bridged polynitron, (b) an unsaturated polymer or a mixture of polymers, wherein at least one unsaturated polymer contains unsaturated functions or functional groups which can react with the polynitron, (c) optionally fillers, (d) optionally pigments, (e) optionally additives such as plasticizers, stabilizers, photoinitiators, and (f) optionally, other cross-linking agents such as polyisocyanates, bisdienes, polyoxaziridines, and their use as adhesives, rubber, filling, sprayable thick-layer filler, ink, paint, powder paint, waterborne paint or solvent based paint. Further, the invention relates to cross-linking products obtainable by curing the curable composition according to the present invention.

Abstract: An effective hydrogen sulfide scavenger that produces little corrosion may be prepared by reacting glyoxal with a compound having at least two primary or secondary amine groups. The subject hydrogen sulfide scavengers may be used with both the production of crude oil and natural gas, and the refining of same.

Abstract: To provide an oil repellent copolymer capable of forming an oil repellent film which is excellent in durability. An oil repellent copolymer characterized by comprising a repeating unit (A) having a polyfluoroalkyl group, a repeating unit (B) having a fluorescent functional group, and a repeating unit (C) having an ester bond other than an ester bond derived from acrylic acid, and/or a hydroxyl group.

Abstract: The present invention relates to polymers which contain hydroxyl groups and acrylate groups, to processes for preparing them, and to their use.

Abstract: The present invention relates to self-supporting dynamic polymer membranes (called “dynamer” membranes) of the polyimine type, to their method of preparation and to their use in separation processes, especially for separating gaseous CP species.

Abstract: The present invention relates to an extreme low formaldehyde emission UF resin with a novel structure, and a process for its preparation. This UF resin is produced from formaldehyde, urea, a long chain multi-aldehyde prepolymer, and some modifiers. Its process follows three steps: weak caustic, weak acid and weak caustic. By using this prepolymer, the modified UF resin has stable alkyl ether structure, and the residual aldehyde groups on the UF polymer chain could accelerate cross-linking instead of dissociative formaldehyde. The UF resin made from this invention has extreme low dissociative formaldehyde and simple technology. The boards produced from this resin have good physical performance and water resistance. Moreover, the formaldehyde emission of the boards is extreme low, achieving Japan F???? grade, the average emission value?0.3 mg/L.

Abstract: Oxymethylene copolymers having a high proportion of terminal alkyl ether groups and having terminal hydroxyalkylene groups are described. These polymers are distinguished by high thermal stability and high hot water resistance.

Abstract: The present invention relates to conjugated oligomers and polymers comprising aromatic thiophene cores. The conjugated materials are obtained by simple and efficient condensation of an aryl diamine and an aryl dialdehyde or a bifunctional aryl moiety comprising both an aldehyde and an amine. Condensation of the complementary moieties at temperatures ranging from ambient to refluxing temperatures in various solvents resulted in conjugated oligomers and polymers that can subsequently be cast into thin films. Oligomerization and polymerization can be done under mild conditions with removal of the resulting water bi-product responsible for shifting the equilibrium in favour of the conjugated products. The resulting conjugated compounds can be made conducting with dopants affording electrically conducting materials of either p-type or n-type conductors depending on the dopant selected.

Abstract: The present invention provides a multicomponent composition that is substantially isocyanate-free and comprises a polycarbamate as a first component and a polyaldehyde or an acetal or hemiacetal thereof as a second component and further comprises an effective amount of a triggering agent such that the first and second components to cure at a temperature of from 0 C. to less than 80 C. to form a crosslinked polyurethane. The multicomponent composition forms an ambient temperature curable composition when all of its components are combined that has a pH of 7.0 or less. The present invention also provides processes crosslinked polyurethanes, and the crosslinked polyurethanes prepared by the processes.

Abstract: The present invention relates to a polymer which comprises at least one structural unit which contains at least one aldehyde group, and to a process for the preparation of a crosslinkable or crosslinked polymer including a polymer which contains aldehyde groups. The present invention thus also relates to a crosslinkable polymer and a crosslinked polymer which is prepared by the process according to the invention, and to the use of this crosslinked polymer in electronic devices, in particular in organic electroluminescent devices, so-called OLEDs (OLED=organic light emitting device).

Abstract: The present invention relates to branched polymers which contain hydroxyl groups and acrylate groups, to processes for preparing them, and to their use.

Abstract: The present invention is directed to a design of and a method to synthesize polycations for gene (DNA and RNA) delivery. According to this design, the polycations (also said cationic polymers) are formed by polymerization of endogenous monomers bearing sufficient amino groups through degradable bonds with linker molecules or with themselves. The amino group-bearing monomers are those naturally existing in or nontoxic to human body. The linker molecules are those which are not only degradable to nontoxic fragments but also able to release the amino group-bearing monomers in their native state upon degradation. Some examples for the endogenous amino group-bearing monomers are spermine, spermidine, serine or N,N-dimethyl serine, and histidine. Examples for the degradable chemical bonds formed between the amino group-bearing monomers are carbamate, imine, amide, carbonate, and ester.

Abstract: A body fluid compatible and biocompatible resin for use in a medical treatment involving a contact of said resin with at least one member selected from the group consisting of a body fluid and a biological tissue, which comprises at least one substituted oxyalkylene polymer having a weight average molecular weight of from 1,000 to 1,000,000 and represented by the following formula (1): wherein each of R1, R2 and R3 independently represents a hydrogen atom or a —CH2R4 group, and each R4 independently represents a hydroxyl group or a —OR5 group (wherein R5 represents a group selected from the group consisting of a C1-C10 aliphatic hydrocarbyl group, a C6-C10 aryl group, a —R6COOH group and a derivative thereof, and a —CH2—O—CH2—CH(OH)—CH2—OR7 group, wherein R6 represents a C1-C10 aliphatic hydrocarbylene group and R7 represents a C1-C10 aliphatic hydrocarbyl group or a C6-C10 aryl group), provided that all of R1, R2, and R3 are not simultaneously hydrogen atoms; and 10?x?10,000 and 0?y?10,000.

Abstract: The invention relates to aminoplast or phenoplast resins comprising the reaction product of the following compounds: a substituted or unsubstituted amine derivative or a substituted or unsubstituted phenol derivative; at least one glyoxal monoacetal; and glyoxylic acid, and also the compositions containing them and their uses as adhesives or binders.

Abstract: The present invention provides a ?-conjugated polymer containing a repeating unit expressed by the following General Formula (I): where, in the General Formula (I), Y and Ar represent one of a substituted or unsubstituted aromatic hydrocarbon and a substituted or unsubstituted divalent group of aromatic heterocyclic ring, Y1 represents one of a substituted or unsubstituted unsaturated aliphatic hydrocarbon, a substituted or unsubstituted aromatic hydrocarbon and a substituted or unsubstituted divalent group of aromatic heterocyclic ring and R represents one of a hydrogen atom, a substituted or unsubstituted alkyl group and a substituted or unsubstituted aromatic hydrocarbon group.

Abstract: A flexibilized resorcinolic novolak resin is prepared by reacting a phenolic compound, such as resorcinol, with an unsaturated dihydroxy, an unsaturated aldehyde, an aliphatic dialdehyde, or a mixture thereof. An aldehyde (different from the unsaturated aldehyde and the aliphatic dialdehyde) is either simultaneously or subsequently added to the reaction mixture. The flexibilized resorcinolic novolak resin can be used in an adhesive composition for enhancing the adhesion between tire cords and rubber for tire applications.

Abstract: The present invention relates to polyimide film for insulating material etc. prepared by reacting a mixture of 4,4-oxydiphthalic anhydride and at least one monomer of aromatic or aliphatic tetracarboxylic dianhydride with a mixture of p-phenylenediamine and at least one monomer of flexible diamines, and having excellent electric properties such as a coefficient of thermal expansion, an elongation, a intensity, a dielectric strength and a bulk resistance etc, a TAB tape applying the polyimide film, and flexible printed wiring board.