Abstract: The present invention relates to new (meth)acrylate compositions, their preparation and their use in ultraviolet light curable applications such as coatings, inks and adhesives.

Abstract: The present disclosure is directed to fibrous products, such as fiberglass, and methods for producing the same. For example, the disclosure describes cured and uncured binders useful in the fabrication of products from loosely assembled fibers. The disclosure also describes methods of fabricating products from loosely assembled fibers utilizing the aforementioned binders.

Abstract: An aqueous binder composition is provided that includes a modified starch and a silane coupling agent, and optionally, a crosslinking agent. The starch from which the modified starch is derived is natural in origin, biorenewable, and is derived from plant sources. The modified starch has been chemically modified from its natural form and may have a degree of polymerization from about 20 to about 4000. Additionally, the modified starches have a low viscosity and cure at moderate temperatures. Advantageously, the modified starches are water dispersible and have excellent resistance to water after curing. In addition, the binder has a light color after being cured. The crosslinking agent may be any compound suitable for crosslinking the starch based compound. In exemplary embodiments, the silane coupling agent is an aminosilane. The environmentally friendly, biorenewable binder may be used in the formation of insulation materials and non-woven chopped strand mats.

Abstract: The invention provides a biodegradable hyaluronic acid derivative including at least one modified hyaluronic acid repeating unit represented by the formula (HA)-[O(C?O)NH-M]p, wherein HA is a unit including N-acetyl-D-glucosamine and D-glucuronic acid, M is a modifying moiety containing a C2-16 hydrocarbyl group, and p is an integer of 1 to 4.

Abstract: Compounds exhibiting angiogenic properties incorporating the structure of Formula I: R3—NH—NH—C(?O)—R2—P—R1??(I) wherein P is a water-soluble, biodegradable polymer, R1 is hydrogen, lower alkyl, lower alkoxy or —R2—C(?O)—NH—NH—R3; each R2 is independently —CH2—, —NH— or O; and each R3 is independently hydrogen or a residue of a naturally occurring alpha-L-amino acid or dipeptide thereof. Polymer networks crosslinked with hydrazide compounds are also disclosed, together with implantable medical devices incorporating the compounds and crosslinked polymers, and angiogenesis-promoting treatment methods, including wound-treatment methods.

Abstract: Materials and a method are provided whereby polymers with least 0.5 mole % of the pendant group or end group containing —Si(OR?)3 (where R? is H, an alkyl group, Na, K, or NH4) are used to control aluminosilicate scaling in an industrial process having an alkaline process stream such as a pulping mill process stream. When materials of the present invention are added to the alkaline process stream, they reduce and even completely prevent formation of aluminosilicate scale on equipment surfaces such as evaporator walls and heating surfaces. The present materials are effective at treatment concentrations that make them economically practical.

Abstract: The present disclosure is directed to cured and uncured binders useful in the fabrication of products from loosely assembled fibers. For example, the disclosure describes cured and uncured binders useful in the fabrication of products from loosely assembled glass fibers. The disclosure also describes methods of fabricating products from loosely assembled fibers utilizing the aforementioned binders.

Abstract: Disclosed is a novel photosensitizer based on polymer derivatives-photosensitizer conjugates for photodynamic therapy capable of being selectively accumulated in cancerous tissues and producing singlet oxygen or free radical by laser irradiation. The polymer derivatives-photosensitizer conjugates for photodynamic therapy are prepared as nano-sized particles, and have excellent selection and accumulation ratio for cancerous tissues. The photosensitizer conjugates can produce singlet oxygen or free radical by a specific laser wavelength. Owing to the excellent selection and accumulation ratio for cancerous tissues, the conjugates minimizes photo-cytotoxicity of the conventional photosensitizer having a low molecular amount. Accordingly, the conjugates are very useful as a photosensitizes for photodynamic therapy with reduced side effects and excellent therapeutic effectiveness.

Abstract: Cationic starch graft copolymer composed of the monomers a) to d) a) 20-80% by weight of acrylamide, methacrylamide or mixtures thereof, b) 3-20% by weight of at least one basic or cationic vinyl monomer, c) 0.005-1.5% by weight of at least one bifunctional or higher-functional crosslinking agent, d) 0-10% by weight of at least one nonionic or anionic vinyl monomer which differs from the monomers mentioned under a) to c) and a grafting base e) e) 15-70% by weight of at least one starch or one starch derivative, the sum of a) to e) being 100% by weight.

Abstract: The present disclosure is directed to cured and uncured binders useful in the fabrication of products from loosely assembled fibers. For example, the disclosure describes cured and uncured binders useful in the fabrication of products from loosely assembled glass fibers. The disclosure also describes methods of fabricating products from loosely assembled fibers utilizing the aforementioned binders.

Abstract: A polymer containing an N-linked sialo-glycan wherein a sialo-glycan is condensed to a ?-polyglutamic acid using a chemical compound having an amino group on one end and a carboxyl group on another end and represented by the structural formula (I). Formula (I) (In the formula, Z means a hydroxy group or a residue represented by the formula (II), and n represents an integer of 10 or more, with the proviso that any one or more of the Z's is represented by the formula in (II).) Formula (II) (In the formula, X means a hydroxy group or an acetylamino group, Y1 and Y2 mean a hydroxyl group or an N-acetylneuraminic acid residue, L means a hydrocarbon, an m represents 0 or an integer of 1 or 2, with the proviso that Y1 and Y2 are not the same.

Abstract: Designed herein are multivalent heterobifunctional polymers for binding to a biological target exhibiting biological activity and to an effector template which can affect the biological activity of the biological target or detect the presence of the biological target. The polymers comprise a plurality of pre-arranged heterobifunctional ligands connected thereto, and each heterobifunctional ligand comprises a first functionality capable of binding to the biological target, and a second functionality capable of binding to the effector template. The heterobifunctional ligands are pre-arranged on the polymer so as to form a ternary complex between the polymer, the biological target and the effector template. The polymers, methods and compositions described herein provide an approach for the design and production of new therapeutic agents as well as agents useful in a variety of non-therapeutic applications.

Abstract: The present invention relates to a new hydrogel functionalized with a polymerizable moiety, the polymerized hydrogels, films and gels comprising the same and their use for cells, proteins, DNA or other molecules encapsulation, including use as biosensors or bioreactors.

Abstract: Materials and methods are provided whereby polymers with least 0.5 mole % of the pendant group or end group containing —Si(OR?)3 are used to control aluminosilicate scaling in an industrial process having an alkaline process stream such as a pulping mill process stream or a high level nuclear waste processing plant. When materials of the present invention are added to the alkaline process stream, they reduce and even completely prevent formation of aluminosilicate scale on equipment surfaces such as evaporator walls and heating surfaces. The present materials are effective at treatment concentrations that make them economically practical.

Abstract: Rotary spinning processes, more particularly processes for making hydroxyl polymer-containing fibers using a rotary spinning die, hydroxyl polymer-containing fibers made by the processes and webs made with the hydroxyl polymer-containing fibers are provided.

Abstract: Finely divided, starch-containing polymer dispersions which are obtainable by free radical emulsion copolymerization of (a) from 30 to 60% by weight of at least one optionally substituted styrene, acrylonitrile and/or methacrylonitrile, (b) from 5 to 50% by weight of at least one C1-C12-alkyl acrylate and/or C1-C12-alkyl methacrylate, (c) from 5 to 30% by weight of at least one olefin, (d) from 0 to 10% by weight of at least one other ethylenically unsaturated copolymerizable monomer and (e) from 15 to 35% by weight of a degraded starch, the sum (a)+(b)+(c)+(d)+(e) being 100% and being based on the total solids content, in an aqueous medium in the presence of at least one redox initiator, processes for the preparation of the aqueous polymer dispersions by free radical emulsion copolymerization of the components (a) to (e) in an aqueous medium in the presence of a redox initiator and use of the finely divided, starch-containing polymer dispersions thus obtainable as sizes for paper, board and cardboard.

Abstract: The invention relates to methods for the production of polymer carrier materials for solid phase synthesis, particularly for peptide synthesis. (Meth)acrylamide derivatives based on carbon hydrates, which can also contain other protective groups, are polymerized by means of suspension polymerization in an aqueous phase, optionally with the addition of pore-forming additives, and subsequently the protective groups are fully or partially cleaved. It is thus possible to obtain polymer carriers whose morphology (particle size, porosity), degree of cross-linking and swelling capability in aqueous and organic media can be adjusted in a targeted manner and whose reactive groups offer multiple opportunities for the immobilization of anchor groups and protective groups. The hydroxyl groups of the polymer carrier can be activated according to usual methods of solid phase synthesis.

Abstract: An amphiphilic polymer having the following formula (I): wherein Z is a hydroxyl-substituted aliphatic group having formula (Z1) or (Z2): wherein R11 and R21 are independently hydrogen, hydroxyl, hydroxymethyl, methyl, or a C1-C20 alkyl group, and R12, R13, R14, R22, R23, and R24 are independently hydrogen, hydroxyl, or a sugar moiety; X is a C1-C6 divalent aliphatic group; and Y is a biodegradable group having the following formula (II): wherein R? is a hydrocarbyl group or a polyester block having the following formula (II-A), wherein, in each occurrence, R is hydrogen or a C1-C18 alkyl group, m is an integer ranging from 0 to 5, and n is an integer ranging from 10 to 300.

Abstract: The present disclosure is directed to binders useful in the fabrication of products from loosely assembled fibers. For example, the disclosure describes binders useful in the fabrication of products from loosely assembled cellulosic fibers. The disclosure also describes methods of fabricating products from loosely assembled fibers utilizing the aforementioned binders.

Abstract: A water-absorbent resin is provided which is suitable for absorbing polymer-containing viscous liquids, wherein the specific surface area measured by the BET multipoint technique using krypton gas as the adsorption gas is no less than 0.05 m2/g, and the water retention capacity for 0.9 wt % physiological saline is 5-30 g/g.

Abstract: A composition comprising an organic fluorophore having a structure of: or a derivative thereof; as well as articles of manufacture marked with the fluorophore, methods for marking articles with the fluorophore, and methods for producing a fluorescent fiber.

Abstract: A viscosifying agent for wellbore fluids is described including a polymer polymerized using at least two pre-polymers “A” and “B”, the polymer being capable of essentially fully degrading into soluble fragments after the initiation of a breaking process.

Abstract: The invention relates to an amphiphilic-BMP polymer complex which is physically and chemically stable and soluble in water, characterised in that: the amphiphilic polymers comprise a hydrophilic polysaccharide skeleton functionalised with hydrophobic substituents and hydrophilic groups the BMP is selected from the group of therapeutically active BMPs (Bone morphogenetic Proteins), the polymer/BMP mass ratio is lower than or equal to 700. The invention also relates to the process for preparing the amphiphilic-BMP polymer complex in an aqueous medium and in the absence of organic solvents likely to denature the protein. The invention also relates to therapeutic compositions of an amphiphilic-BMP polymer complex according to the invention.

Abstract: [PROBLEMS] To provide a derivative of a cytidine metabolic antagonist which can exert a high therapeutic effect at a low dose. [MEANS FOR SOLVING PROBLEMS] A polymeric derivative of a cytidine metabolic antagonist which comprises a polymeric compound having a polyethylene glycol moiety and a polymer moiety having a carboxyl group in a side chain and a cytidine metabolic antagonist, which has such a structure that the carboxyl group in the side chain of the polymeric compound and an amino group in the cytidine metabolic antagonist are bound together to form an amide bond.

Abstract: Chimeric polymer compositions and methods are provided in which a plurality of carbohydrate moieties and amino acids form the backbone of a polymer. Most preferably, the polymer includes alternating saccharide and peptide portions to form the chimeric polymer.

Abstract: Superabsorbent polymer (SAP) products for use in agricultural applications, and methods of making and using the same are disclosed. Certain of the SAPs include a monomer or a mixture of monomers, other than acrylonitrile, that is graft polymerized onto a starch in the presence of an initiator to form a starch graft copolymer that is cross-linked and the SAP product is isolated.

Abstract: The present invention is directed to membrane active polymers useful for cellular delivery of compounds. Described are polyconjugates systems that incorporate targeting, anti-opsonization, anti-aggregation, and transfection activities into small biocompatible in vivo delivery conjugates. The use of reversible modification provides for physiologically responsive activity modulation.

Abstract: The invention relates to a method for the preparation of a superabsorbent polymer hydrogel, comprising the steps of (i) crosslinking a 3% overall aqueous solution of carboxymethylcellulose sodium salt and hydroxyethylcellulose with 5% carbodiimide, in the presence of an acid catalyst; (ii) washing the gel obtained at least once by swelling in a polar organic solvent; and (iii) drying the gel by phase inversion in a non-solvent for cellulose. The invention further concerns the superabsorbent hydrogels obtainable by said method and the uses thereof.

Abstract: A superabsorbent polymer combined with a beneficial additive and method for administering the same in agricultural applications is disclosed. A method for delivering a beneficial additive in agricultural applications includes obtaining a beneficial additive combined with a superabsorbent starch graft copolymer and dispensing the combined beneficial additive and superabsorbent polymer in an agricultural environment.

Abstract: A method of and a product formed by entrapping a bioactive, growth-promoting additive in a starch matrix to form a starch-based, superabsorbent polymer product for use in agricultural applications involves (1) graft polymerizing a monomer and a starch to form a starch graft copolymer including a starch matrix; (2) isolating the starch graft copolymer; (3) forming particles of starch graft copolymer; and (4) adding a bioactive, growth-promoting additive such that at least some of the bioactive, growth-promoting additive is entrapped by the starch matrix. Following placement of the starch-based SAP including a bioactive, growth-promoting additive in proximity to a plant, root, seed, or seedling, growth of the plant, root, seed, or seedling is promoted because availability of beneficial nutrients is increased.

Abstract: A superabsorbent starch graft copolymer product having particle sizes useful in granule applicators for application to agricultural fields. Starch graft copolymers applied to field crops provide excellent anti-crusting properties, increased seed germination and stand, increased crop growth, increased yields, and reduced water requirements.

Abstract: Polysaccharide fibres, such as cellulose or starch, modified by grafting an amino-containing antimicrobial polymer (ACP) onto the fibres or starch using a co-polymerization reaction, exhibits high antimicrobial activity. For example, the presence of 1.0% by weight grafted polymer in the cellulose fibres or starch fibres results in excellent antimicrobial activity (over 99% inhibition). The application further discloses that including triclosan or butylparaben into a novel cationic ?-cyclodextrin polymer or nanocapsule yields a bacteriostat.

Abstract: The invention concerns a product comprising hyaluronic acid or a salt thereof, wherein the hyaluronic acid has been partially or fully linked or crosslinked with a polymer of an alpha hydroxy acid. The invention also concerns manufacture of the product, uses of the product of the invention in the field of biodegradable plastic materials for the preparation of sanitary and surgical articles, in the pharmaceutical and cosmetic fields; including the various articles made with the same in such fields.

Abstract: The invention relates to cationic block copolymers of formula A(-X-B)n, wherein A represents a hydrophilic polymer, B represents polyethyleneimine (PEI), X represents a bridge, n represents 1-200. The invention also relates to methods for producing the inventive cationic block polymers and to their use e.g. as a tenside and for complexing nucleic acids.

Abstract: The present invention provides an improved method of producing a stable urea-denatured soy flour-based adhesive having improved wet and dry strengths, with more efficient production and lower production costs. The method comprises heating soy flour until denatured and then adding urea to the denatured soy flour. The soy flour may be heated up to 40° C. to 100° C. for at least 15 to 500 minutes. Optionally, the method may also include adding a cross-linking agent to the soy flour/urea mixture and/or adding an emulsified or dispersed polymer. Adhesives prepared according to this invention offer increased stability and strength properties.

Abstract: A method of producing high molecular weight stereoregular head, tail-poly(alkylene D-glucaramides) is described. Amidoamino acids are esterified in cold alcohol and then polymerized in a protic solvent to form steroregular prepolymers. The prepolymers are then further polymerized by dissolving them in a solvent to form larger, purer postpolymers. Compositions of matter prepared using the subject method are also described.

Abstract: Methods of making and using a superabsorbent starch graft copolymer involve producing starch graft copolymers having particle sizes useful in granule applicators for application to agricultural fields. Starch graft copolymers applied to field crops provide excellent anti-crusting properties, increased seed germination and stand, increased crop growth, increased yields, and reduced water requirements.

Abstract: A first fiber treatment comprising a functional protein prepared by treating proteins such as collagen with a cross-linking agent and a solvent-base resin; a second one comprising the above functional protein and a water-base resin; a third one comprising a water-soluble organic substance having an average molecular weight of 100 to 20000 and a reactive modifier; a fourth one comprising the above functional protein and a reactive modifier; and products such as fibers and textile goods treated with one of the treatments.

Abstract: Functional polyvalent oligomer for applications in medicine and biotechnology are disclosed. These oligomers have the formula (1) wherein R is H, CH3, C2H5, R1, is H, NH2, OH, COOH, X is N-Acetyl Glucosamine, mannose, galactose and sialic acid, fructose, ribulose, erythrolose, xylulose, psicose, sorbose, tagatose, glucopyranose, fructofuranose, deoxyribose, galactosamine, sucrose, lactose, isomaltose, maltose, cellobiose, cellulose and amylose, Y is H, COOH, OH or NH2, and n is from 3 to 50. The present invention also relates to synthesis of such oligomeric ligands. The method of synthesis of the present invention for oligomerization can be—applied to other ligands such as sialic acid, mannose and galactose and can -be used for the prevention of infections.

Abstract: A solution for forming a graft substrate containing a graft initiator, a catalyst for activating the graft initiator, a polymerizable silicon softener, and at least one additional prepolymer, each of the softener and the prepolymer which includes a functional group for reaction with an activated site on the substrate for grafting thereto and water. The treated fiber exhibits excellent crockfastness, color fastness, and abrasion resistance, strength, and has a soft hand.

Abstract: High molecular weight random polyhydroxypolyamides (PHPAs) are produced by creating prepolymers which are further polymerized. Random prepolymers are formed from a stoichiometrically molar balance (1:1) starting material. The starting material is a 1:1 stoichiometrically balanced esterified aldaric acid:alkylene or alkylene derived diammonium salt. Alternatively, the starting material is an esterified stoichiometrically balanced diacid:diamine salt and a N?-ammoniumalkyl (or alkyl derived)-D-aldaramic acid terminal carboxylate zwitterionic salt mixture. The starting materials are polymerized in a basic alcohol using a second amine. The polymerized material, or the random prepolymers, are isolated and then further polymerized in a solvent, typically a mixed solvent of an alcohol and non-alcohol, to obtain the high molecular weight PHPAs.

Abstract: Methods of making and using starch graft copolymers produce particle sizes useful in granule applicators for applying to agricultural fields. Starch graft copolymers on field crops provide excellent anti-crusting properties, increased seed germination and stand, increased crop growth, increased crop yields and reduced water requirements.

Abstract: This invention provides a process for the production of molded particles for microbial cell-immobilization which is characterized in that: an aqueous liquid composition which comprises: (a) an ethylenically unsaturated group-containing urethane resin which is obtained by making a tertiary amino group-containing diol react with a polyisocyanate compound, and by further introducing an ethylenically unsaturated group; (b) a polymerization initiator; and (c) water-soluble macromolecular polysaccharides; is gelatinized, in an aqueous medium which contains metal ion, to be particulate gel which is then subjected to photopolymerization and/or thermopolymerization by which to cause the crosslinking reaction of ethylenically unsaturated group in said particulate gel.

Abstract: The invention is directed to a hybrid polymer material or system that combines naturally occurring building blocks with synthetic building blocks. The sets of naturally occurring and synthetic building blocks are mixed and joined on a molecular or nanoscopic level to give homogeneous or microphase-separated morphologies to the resulting mixed polymer system. These hybrid polymers combine the comfort attributes of natural materials with the robustness and design properties of synthetic materials.

Abstract: A water-swellable polymer gel prepared by reacting an ester of a carboxyl group-containing polysaccharide with a compound having at least two &agr;-amino groups, which is derived from a natural amino acid, and a foamed article thereof. The water-swellable polymer gel can be used in the fields such as industry, agriculture, food and medicine. The applications of the water-swellable gel in the medical field include wound dressings, adhesion-preventing materials, dialysis membranes, hemostatic materials, adhesive materials, sealants, contact lenses, materials for tissue regeneration, microcapsule materials and drug delivery systems.

Abstract: A graft polymer comprises a carbohydrate polymer having pendant 3-amino-2-hydroxy propyl groups grafted thereon and may be employed as a retention aid and strengthening additive in paper manufacture. When the carbohydrate polymer is a component of wood pulp the resulting chemically modified wood pulp may be employed in conjunction with unmodified wood pulp to incorporate therein the retention and strengthening characteristics.

Abstract: The present invention discloses novel polymer compositions comprising cellulose acrylamide, acrylamide and/or a fluorescent indicator species, and membranes made with these compositions. Optical pH sensors for monitoring the pH in a fluid sample, and methods for making such pH sensors are also disclosed. The pH sensors have reduced sensitivity to sample components that can interfere with pH measurements.

Abstract: A method of preventing fouling organisms in marine environments comprises the step of introducing into the marine environment in a predetermined form and in a sufficient amount an antifouling composition having as its effective ingredient a nitric oxide-releasing functional group of the diazeniumdiolate structure: whereupon nitric oxide is controllably released into the marine environment to prevent at least one of the fouling organisms' propagation, ability to attach, and ability to function. An antifouling composition consists essentially of an antifouling-acceptable carrier and a coprecipitation product of polylactide/glycolide and diethylenetriamine having the formula H3N+CH2CH2N(N2O2)−1CH2CH2NH2, wherein diethylenetriamine contains a nitric oxide-releasing functional group.

Abstract: Anti-reflective compositions are prepared from cellulosic binders with improved etch rates.

Abstract: An amphoteric polymer dispersion obtained in the presence of at least one of starch or a starch derivative by a two-stage polymerization using anionic and cationic monomers is useful as a sizing agent for paper products, as a coating for various substrates, and as a binder in pigment-free coatings or pigment-containing coatings. The dispersion is exceptionally compatible with widely differing sizing agent systems and coating chemicals.