Abstract: Biocidal compositions containing organoselenium compounds are disclosed, as well as methods of producing and using same.

Abstract: There are provided: a shape-memory resin, which is formed from a polylactic acid derivative thereby enabling reduction of an environmental load, has an excellent shape-memory property, high strength, and high toughness, and with which a molded product with high durability, for example, an electronic equipments, particularly a wearable electronic equipments capable of freely changing the shape thereof or the like, can be shaped; and a molded product thereof. The shape-memory resin of the present invention has a three-dimensional structure, in which a polylactic acid derivative having two or more functional groups capable of forming a cross-linking site is cross-linked using a flexible polymer having a glass transition temperature (Tg) lower than 30° C. and having two or more functional groups capable of forming a cross-linking site, and a linker.

Abstract: The invention aims to provide latent curing agents which exert high low-temperature curing properties when used together with ionically polymerizable compounds and which exhibit high storage stability at room temperature. Latent curing agents for ionically polymerizable compounds which agents each contain a hydroxyl-free amine imide compound having an N—N bond energy of 100 to 210 kJ/mol as determined by B3LYP functional theory method.

Abstract: The biocompatible, biodegradable materials in the solid and/or liquid form are based on segmented linear polyurethanes and/or segmented crosslinked polyurethanes based on A) one or more biocompatible polyols susceptible to hydrolytic and/or enzymatic degradation having a molecular weight of 100 to 20,000 dalton and a number of active hydroxyl groups per molecule (functionality) of at least two or higher; B) one or more diisocyanates and/or triisocyanates; and C) one or more low molecular weight chain extenders having a molecular weight of 18 to 1000 dalton and the functionality of at least two or higher.

Abstract: The present invention provides a polyurethane elastomer composition for electrophotographic printing, including: a polyester polyol (A) obtained by polycondensing a polyvalent carboxylic acid (A-1) containing sebacic acid as a main component and a polyhydric alcohol (A-2) selected from (I) a linear glycol having 2 to 4 carbon atoms, (II) a linear glycol having 2 to 4 carbon atoms and a glycol having 2 to 4 carbon atoms with an alkyl side chain and (III) a linear glycol having 2 to 4 carbon atoms and 1,6-hexaneglycol; a polyisocyanate compound (B); and a mixture (C) of a short-chain diol and a short-chain triol. The polyurethane elastomer composition for electrophotographic printing has reduced temperature dependency, improved long-term durability and satisfactory mechanical strength. An electrophotographic printing member is also provided.

Abstract: Biodegradable triblock copolymer compositions are provided which are useful in tissue engineering and drug delivery. The copolymers are reverse thermal gels in that when heated from a lower temperature to a higher temperature, they gel. These gels are useful in drug delivery when complexed with an active agent. For example the compositions can be used for intraocular injection of active agents, such as anti-angiogenic agents for treatment of a maculopathy or retinitis.

Abstract: Polymer polyols and dispersions are prepared by polymerizing certain starting materials in a continuous phase. The continuous phase includes a polyol containing hydroxylmethyl groups, which is derived from a fatty acid. The dispersed phase may be, for example, a vinyl polymer, a polyurea or a polyurethane-urea.

Abstract: A method of producing liquid polymeric polyols from epoxidized plant oils by ring-opening polymerization without a ring opening agent in an organic solvent in the presence of a catalyst to yield the desired polyols at room temperature. The properties of the polymeric polyols depend on the type of plant oil used as starting material. Typically, polymeric content of the purified plant oil based polyols ranges from 65% to 90%. The hydroxyl value and the acid value ranges from 30 to 90 mg KOH/g sample and 1 to 14 mg KOH/g sample respectively. The average molecular weight Mn ranges from 800 Da to 16000 Da. The liquid plant oil based polymeric polyols are reacted with excess diisocyanate to produce isocyanate terminated prepolymer. Subsequently, the prepared prepolymer is reacted with diol or diamine to polyurethane and polyurea respectively.

Abstract: The present invention relates to thermoplastic polyurethane moulding compositions with improved surface resistance (write resistance and scratch resistance) and very good technical processibility and also to the use thereof.

Abstract: The present invention provides polyurethanes including a reaction product of components including: (a) an isocyanate functional urethane prepolymer comprising a reaction product of components including: (i) about 1 equivalent of at least one polyisocyanate; and (ii) about 0.1 to about 0.5 equivalents of at least one diol having 2 to 18 carbon atoms; and (b) about 0.05 to about 0.9 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (c) up to about 0.9 equivalents of at least one polyol different from branched polyol (b) and having 2 to 18 carbon atoms, wherein the reaction product components are essentially free of polyester polyol and polyether polyol; compositions, coatings and articles made therefrom and methods of making the same.

Abstract: A compound includes a polymer where the polymer includes a pendant dioxirane moiety. Cost-effective, facilitated generation of a polymer including a pendant dioxirane moiety allows for the compound to be disposable or be easily recycled. The compound can be used in air purification and liquid purification to not only remove particulate matter, but also to destroy microorganisms and remove volatile organic compounds.

Abstract: Novel adhesive compositions that can be used in the die attach process. The adhesives include a curable resin component, a curing agent, and a block copolymer additive. The block copolymer additive has a glass transition temperature of at least about 40° C. The block copolymer additive improves the affinity of the adhesive composition to a hydrophilic substrate, such as a silicon wafer, during the die pickup process. Also disclosed is an assembly which includes a hydrophilic substrate and a layer of adhesive and methods of producing the assembly.

Abstract: This invention relates to an aliphatic-aromatic copolyester characterised in that it has appreciable workability properties even when mixed with other polymers, appreciable toughness and high values for ultimate tensile strength and elastic modulus. This invention also relates to mixtures of the said copolyester with other polymers.

Abstract: The current invention relates to a moisture-hardening composition that contains, in addition to a silane-functional polymer with end groups of formula (I), a reaction product that can be manufactured from an amino silane with primary amino groups and an alkene that is free of silane groups. The compositions are characterized by improved expandability with concurrent high reactivity, good adhesion characteristics, and high tear strength and are suited especially for use as elastic bonding substance or sealant.

Abstract: Inorganic particulate or whiskers are surface-treated to facilitate receptivity to covalent bonding with a coupling agent. Surface treatment forms reactive groups that enable the inorganic particulate or whiskers to covalently bond to a reactive group of the coupling agent. The coupling agent also contains organofunctional groups, which in some examples may be covalently bonded to a polymer matrix by way of crosslinking or by co-polymerizing the functionalized particulate or whiskers together with polymer precursors. The resulting polymeric materials exhibit markedly improved abrasion resistance as well as other improved properties.

Abstract: The present invention relates to aldehydes of the formula (I) which contain tertiary amino groups and at least one hydroxyl group. Aldehydes of this kind can be utilized broadly. Aldehydes of particular advantage can be incorporated into a polymer, and find use as curing agents and/or catalysts. Preferably they find use in adhesives and sealants.

Abstract: A composition for forming a chemical mechanical polishing pad having polishing characteristics such as a high polishing rate, an excellent planarity of the polished object, and less scratches of the polished object. The composition includes (A) a polyurethane having a carbon-carbon double bond on a side chain and (B) a cross-linking agent. The polyurethane (A) is preferably a thermoplastic polyurethane (A?) obtained by mixing at least components (a11) to (a13) and component (a2) in a proportion satisfying the following conditions (1) and (2) and reacting them.

Abstract: The present disclosure relates to impact strength modifiers, the derivative products thereof, and the use thereof in producing two-component epoxy resin compositions. The disclosure in particular relates to amino group terminated impact strength modifiers prepared by reacting a polyurethane prepolymer having isocyanate groups, a primary diamine, and optionally at least one Michael acceptor. The two-component epoxy resin compositions thus formulated are characterized by a great increase in impact strength while retaining an acceptable tensile shear strength. The impact strength modifiers according to the disclosure and the epoxy resin compositions comprising same are in particular suitable for vehicle manufacturing.

Abstract: Urethane modified water-reducible alkyd resins ABCD, comprising moieties derived from polyhydric alcohols A, modified fatty acids B made h? grafting olefinically unsaturated carboxylic acids B2 onto fatty acids B1, ungrafted fatty acids C and polyfunctional isocyanates D, a process for their production, and a method of use thereof in coating binders

Abstract: Bioabsorbable macromer compositions are provided including a diisocyanate-functional bioabsorbable polymer. In some embodiments, the diisocyanate-functional bioabsorbable polymer can be combined with a functionalized polyol. The resulting bioabsorbable macromer composition can be employed as an adhesive or sealant for medical/surgical uses.

Abstract: The invention describes the unexpected characteristics of blends, including crosslinked reaction products of elastomeric silicone polymers with various polyurethanes and their applications in personal care products.

Abstract: Oligo- or polyurethane compounds of the formula (I) wherein k and n independently are numbers from 1 to 100, m is from the range 1-100, (X) is a block of formula (II) and (Y) is a block of the formula (III), (A) is a residue of an aliphatic or aromatic diisocyanate linker, (B) is a residue of a linear oligo- or polysiloxane containing alkanol end groups, and optionally further containing one or more aliphatic ether moieties, and (C) is an aromatic oligo- or polysulfone block, may advantageously be used as anti-adhesion additives in polymer compositions e.g. for membranes; related oligo- or polyurethanes wherein m is 0 are especially suitable for the preparation of antimicrobial water separation membranes.

Abstract: A long-life electrophotographic photosensitive body having excellent wear resistance and crack resistance can be obtained by using a polycarbonate resin composition, which is obtained by blending 0.01-5 parts by weight of a silicone-modified polyurethane per 100 parts by weight of a polycarbonate resin, as a binder for photosensitive layer (or in case when the photosensitive layer is of multilayer type, for at least an electron transport layer) of the electrophotographic photosensitive body. The silicone-modified polyurethane is obtained by reacting a diol component (a) represented by the general formula (I) below, an active hydrogen-containing polysiloxane compound (b), a polyisocyanate component (c) and, if necessary, a chain extender (d).

Abstract: An anti-biofouling material for use on marine equipment is described, the anti-biofouling material comprising a polymer system comprising a hydrophobically-modified base polymer, the hydrophobically-modified base polymer comprising a base polymer having a backbone and a hydrophobically derivatized chain extender coupled to said backbone of said base polymer, wherein the hydrophobically derivatized chain extender comprises a hydrophobic moiety. The anti-fouling casing comprises a hydrophobic surface that serves to prevent biofouling of the surface.

Abstract: The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties.

Abstract: A composition useful for imparting durable stain repellence and soil release properties to textile substrates, a method for treating textile substrates using such composition, and the textile substrates obtained therefrom. The composition comprises: (A) at least one fluorinated ionisable polyurethane polymer (PUR) being free from perfluoroalkyl chains and comprising at least one fluorinated block comprising a fluoropolyoxyalkene chain, and at least one functional block comprising an hydrocarbon chain (RHC) having from 2 to 14 carbon atoms, said chain (RHC) comprising at least one ionisable group, said blocks being linked by urethane moieties of formula (I), wherein E is a divalent hydrocarbon carbon group; (B) at least one fluorocarbon polymer (F) comprising at least one perfluoroalkyl chain (Rf) linked by one or more ester moiety of formula (II) and/or urethane moiety of formula (III) and/or urea moiety of formula (IV); and (C) at least one crosslinking agent.

Abstract: The invention relates to a method for functionalising a thermoset, crosslinked isocyanate-based polymeric solid material which is made of isocyanate and isocyanate reactive components, at least one of which comprises an anchor component which has at least one anchor group. The anchor groups on the solid material are formed by terminal alkene and/or alkyne groups. To functionalise this polymeric solid material it is brought in contact with a solution which contains at least one functional component. This functional component comprises at least one thiol group and is allowed to bind covalently to the polymeric solid material by a free-radical addition reaction between the thiol groups on the functional component and the terminal alkene and/or alkyne anchor groups on the undissolved solid material. An effective functionalisation of the polymeric material can thus be achieved notwithstanding the heterogeneous reaction conditions.

Abstract: A multi-component curable composition which is reactive upon admixing of the components and wherein the composition comprises a first component which comprises a first amine functional adduct and a second amine functional adduct; and a second component which comprises at least one compound having an average of more than 2.0 groups per molecule which are reactive with amines.

Abstract: Substrates, optionally coated with an undercoating, having grafted thereto one or more non-fouling materials are described herein. The non-fouling, polymeric material can be grafted to a variety of functionalized substrate materials, particularly polymeric substrates and/or polymeric undercoatings immobilized on a substrate. The compositions described herein are highly resistant protein absorption, particularly in complex media and retain a high degree of non-fouling activity over long periods of time. The compositions described herein may also demonstrate antimicrobial and/or anti-thrombogenic activity. The non-fouling material can be grafted to a functionalized substrate, or optionally from an undercoating on the substrate, preferably without significantly affecting the mechanical and/or physical properties of the substrate material.

Abstract: A multi-component curable composition which is reactive upon admixing of the components and wherein the composition comprises: A. a first component which comprises: (i) a first amine functional adduct which comprises the reaction product of a stoichiometric excess of a diamine and a compound having an epoxide group and an alpha, beta unsaturated carbonyl group; B. a second component which comprises: (i) at least one compound having an average of more than 2.0 groups per molecule which are reactive with amines.

Abstract: The invention relates to the use of polymeric or oligomeric active ingredients having a biocidal effect as additives in the composition of medical articles. The invention further relates to medical articles that comprise such additives.

Abstract: The invention relates to the use of at least one polymeric guanidine derivative having a biocidal effect, which can be obtained by polycondensating a guanidine acid addition salt with an amine mixture containing at least one diamine, which is selected from the group consisting of alkylene diamine and oxyalkylene diamine, as an additive in a composition for medical articles. The invention further relates to medical articles containing polyguanidines as an additive.

Abstract: A water-base adhesive mix for producing tires and containing, by weight, 20 to 80% water, 10 to 40% of a cross-linkable unsaturated-chain polymer base, 0.2 to 1% sulphur, 1 to 25% of a reinforcing filler, 1 to 10% of emulsifiers, 2 to 8% of a resin which cross-links by reaction with polyisocyanates, and 0.5 to 5% of an aqueous dispersion having blocked aromatic polyisocyanates with an activation temperature of 120 to 160° C. The blocked aromatic polyisocyanates are produced by reaction of an aromatic polyisocyanate (a), a blocking agent (b), and a nonionic diol alkoxylate (c) of the general formula (I) R1CH2O(CH2CH2O)n(CH2CHCH3O)mR2??(I) where R1 is R2 and R3 are the same or different, and are selected from methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl; n is a whole number from 0 to 40 m is a whole number from 0 to 40 n+m is a whole number from 20 to 80.

Abstract: Flowable bioabsorbable compounds are provided which are useful in producing surgical adhesive or sealant compositions.

Abstract: A low viscosity toughened epoxy resin formulation including a divinylbenzene dioxide as a component in the formulation; wherein the formulation is useful for the manufacture of thermoset polymers.

Abstract: The invention provides new polymeric or oligomeric active agents with a biocidal effect. Such particularly advantageous polymeric or oligomeric active agents with a biocidal effect are obtainable via polycondensation of a guanidine acid addition salt with an amine mixture comprising at least one diamine and/or one triamine, wherein at least one amine is selected from the group comprising i) diamine, comprising at least one cycloaliphatic residue, and ii) dialkylenetriamine. At least one amine is hereby preferably selected from 4,4?-methylenebis(cyclohexylamine) and diethylenetriamine. Furthermore, it is favorable if the guanidine acid addition salt is guanidinehydrochloride.

Abstract: A curing agent for unsaturated polyester resins is made by microencapsulating an organic peroxide curing agent in a polyurethane protective coating or shell.

Abstract: Solvent free, moisture curable reactive hot melt adhesives are prepared using an oxazolidine functional prepolymer and a polyfunctional isocyanate.

Abstract: The present invention relates to a polymer comprising as part of its polymer backbone a moiety of Formula (II): where one of R6 to R10 represents A-O— and one of R6 to R10 represents —O—B and the remainder of R6 to R10 represent H, where A and B represent the remainder of the polymer backbone and may be the same or different.

Abstract: Inventive composite materials are provided. The composite is preferably a nano-composite, and comprises an asphaltene, or a mixture of asphaltenes, blended with a polymer. The polymer can be any polymer in need of altered properties, including those selected from the group consisting of epoxies, acrylics, urethanes, silicones, cyanoacrylates, vulcanized rubber, phenol-formaldehyde, melamine-formaldehyde, urea-formaldehyde, imides, esters, cyanate esters, allyl resins.

Abstract: This disclosure relates to golf balls made from a crosslinked thermoplastic polyurethane elastomer. The crosslinked thermoplastic polyurethane elastomer includes crosslinks located in the hard segments, where the crosslinks being the reaction product of unsaturated bonds located in the hard segments as catalyzed by a free radical initiator. The crosslinks may be formed from an unsaturated diol as a chain extender. The unsaturated diol may be trimethylolpropane monoallylether (TMPME). The golf ball may include the crosslinked thermoplastic polyurethane elastomer in the cover layer, in which case the cover layer may exhibit a high degree of scuff resistance.

Abstract: A process for applying a coating to a substrate and broadcasting solid decorative or protective materials onto the liquid surface of the coating before it completely cures or dries, wherein the coating is a multi-component curable composition which is reactive upon admixing of the components and wherein the composition comprises at least a first amine functional adduct and at least one compound reactive with amines.

Abstract: The present invention relates to a medical tube article comprising a polymer mixture of a thermoplastic or thermocuring polymer base material and an amphiphilic block copolymer.

Abstract: Aldimino containing compounds obtained from a reaction of aldimines of formula (I) with a compound that bears at least one reactive group that can enter into addition reactions with an HX group of an aldimine of formula I. The compounds containing aldimine groups can be used primarily in adhesive and sealant materials, but also in coatings, and can be produced easily from readily available source materials, and have good thermal stability. The tertiary amino group thereof has a surprisingly low alkalinity and can in some cases have a catalytic effect in chemical reaction systems.

Abstract: The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties.

Abstract: A processing agent for processing urethane elastomer fibers contains a disperse medium of a specified kind having mineral oil as its principal component and a dispersoid of a specified kind including aliphatic ester compound. The disperse medium is 80-99.99% by mass and the dispersoid is 0.01-20% by mass for a total of 100% by mass. The average particle size of the dispersoid is prepared to be in the range of 0.01-500 ?m as measured by a specified measuring method.

Abstract: The present invention relates to the discovery of new class of hydrolysable amino acid derivatives and absorbable polyester amides, polyamides, polyepoxides, polyureas and polyurethanes prepared therefrom. The resultant absorbable polymers are useful for drug delivery, tissue engineering, tissue adhesives, adhesion prevention, bone wax formulations, medical device coatings, stents, stent coatings, highly porous foams, reticulated foams, wound care, cardiovascular applications, orthopedic devices, surface modifying agents and other implantable medical devices. In addition, these absorbable polymers should have a controlled degradation profile.

Abstract: The invention relates to silicone-urethane copolymers and methods for making the copolymers. The silicone-urethane copolymers can have many physical properties usually associated with polyurethanes but also the feel and characteristics of silicones.

Abstract: Disclosed is a finish paint composition having a hydroxyl group containing resin (A) comprising a hydroxyl group value of 80 to 220 mgKOH/g, a glass transition temperature of ?50° or above but below 0° C., and 25 to 55 mass% of units of 4-hydroxybutyl (meth)acrylate origin, a hydroxyl group containing resin (B) with a hydroxyl group value of 80 to 220 mgKOH/g, and a glass transition temperature of 0 to 50° C., and a crosslinking agent (C) comprising polyisocyanate compound having isocyanate groups, wherein the proportions of hydroxyl group containing resin (A) and hydroxyl group containing resin (B) are, as a ratio of solid fraction masses, from 95/5 to 50/50, and the proportion of isocyanate groups of the crosslinking agent (C) with respect to the hydroxyl groups in total of the hydroxyl group containing resin (A) and the hydroxyl group containing resin (B), as the NCO/OH mol ratio, is 0.5 to 1.5.

Abstract: The present invention relates to a block copolymer derived from at least one tetrahydrofuran monomer containing 14C. The present invention also relates to a method for preparing such a block copolymer.