Abstract: The invention relates to an aqueous, chromium-free and curable corrosion protection agent for the first coating of metal surfaces, said agent containing at least one organic polymer or copolymer of at least partially acylated vinyl amines, for improving the properties of adhesion of the cured first coating to the metallic surface and to further organic coatings. The invention also relates to a method for producing a first coating comprising the agent according to the invention, and for applying further organic coatings, in particular those based on polyurethane resins and/or based on isocyanates and diols or polyols, and to a metal strip produced in this way or a metal sheet cut off same, which can optionally be shaped.

Abstract: The invention is a high-strength, pre-coated, aluminum or aluminum-alloy component comprising an aluminum or aluminum-alloy article having ultra-fine, submicron grain microstructure and an organic coating of phenolic resin applied to the surface of the article. The article is prepared from a coarse grain aluminum or aluminum-alloy material that is cryomilled into an ultra-fine, submicron grain material, degassed, and densified. The densified material is formed into an article, and coated with an organic coating containing phenolic resin prior to installation or assembly.

Abstract: This invention relates to hydroxyalkylated chitosan solution characterized in that a hydroxyalkylated chitosan and an organic acid or its derivative are contained in an aprotic polar solvent. This invention also relates to a coating process of a substrate, which is characterized by a step of causing the hydroxyalkylated chitosan solution to adhere onto a surface of the substrate, and another step of heating the substrate, which has been obtained in the first-mentioned step, at 100° C. or higher for 1 second or longer. This invention can provide a one-pack solution of a chitosan derivative, which is free from crosslinking and stable at room temperature, can form a chitosan coating excellent in waterproofness after heated and dried, and is suited for the coating of a hydrophobic or lipophilic surface. This invention also provides a coating process of a substrate, which makes use of the one-pack solution.

Abstract: An acrylate-based curable printing medium is disclosed. Acrylates, in the form of monomers, dimers, trimers and oligomers, as well as resins, form an interpenetrating polymer network by crosslinking, which is effected by heat, and optionally peroxide curing agents. Formulations can be tailored to achieve desired properties of the cured polymer including film hardness, burnout properties, and adhesion to glass. Such properties are adjusted by manipulating the relative proportions of the acrylic monomers, oligomers and resins that are used as a ceramic medium or vehicle.

Abstract: This invention relates to an amorphous non-glassy ceramic composition that may be prepared by curing, calcining and/or pyrolyzing a precursor material comprising silicon, a Group III metal, a Group IVA metal, and/or a Group IVB metal.

Abstract: A hydrophilizing agent that maintains a favorable wettability for dew condensation even after a long-term use; a hydrophilizing method; and an aluminum-containing metal material treated by the hydrophilizing method and having excellent wettability for dew condensation are provided. The hydrophilizing agent contains a modified polyvinyl alcohol obtained by graft polymerization of at least one type of N-vinyl lactam onto polyvinyl alcohol, thereby having a polymer and/or copolymer of the N-vinyl lactam in a side chain and a water-soluble cross-linking agent which can bind to a lactam moiety and/or a hydroxyl group of the modified polyvinyl alcohol. By applying and drying the hydrophilizing agent, a hydrophilic film having excellent wettability for dew condensation is formed.

Abstract: The invention relates to a method for production of a zeolite layer on a substrate containing metal, comprising the following method steps: production of an aqueous suspension, comprising several components, one component comprises at least one cross-linking element from the third, fourth or fifth main group of the periodic table, the substrate containing metal comprises at least one of the cross-linking elements, introduction of the substrate containing metal to the aqueous suspension, heating the aqueous suspension and the substrate containing the metal present therein for the in-situ crystallisation of a zeolite layer on the substrate containing metal, whereby the cross-linking elements in the substrate containing metal are extracted and included in the zeolite layer, a cross-linking element present in the suspension for formation of the zeolite layer is present at a concentration so low that a crystallisation in the suspension is largely or completely avoided and said element is principally provided by th

Abstract: A polymer thin film in which cylindrical phases are distributed in a continuous phase and are oriented in a pass-through-direction of the film includes at least: a first block copolymer including at least a block chain A1, as a component of the continuous phase, composed of polymerized monomers a1, and a block chain B1, as a component of the cylindrical phases, composed of polymerized monomers b1; and a second block copolymer including at least a block chain A2, as a component of the continuous phase, composed of polymerized monomers a2, and a block chain B2, as a component of the cylindrical phases, composed of polymerized monomers b2, with the second copolymer having a degree of polymerization different from that of the first copolymer. A film thickness of the polymer thin film and an average center distance between adjacent cylindrical phases have a relation represented by a predetermined expression.

Abstract: The surface-treated steel sheet has a zinc-based plated steel sheet, a surface-treatment coating being formed on the surface of the zinc-based steel sheet by applying and drying a surface treatment coating composition thereon, and a top coating being formed by applying and drying a coating composition for top coating on the surface-treatment coating. The surface treatment coating composition contains a water-epoxy resin dispersion, a silane coupling agent, and phosphoric acid and/or a hexafluorometal acid. The coating composition for top coating contains a high molecular weight epoxy group-containing resin having number average molecular weights ranging from 6000 to 20000.

Abstract: Disclosed are Bisphenol A (BPA), Bisphenol F, Bisphenol A diglycidyl ether (BADGE), and Bisphenol F diglycidyl ether (BFDGE)-free coating compositions for metal substrates including an under-coat composition containing a polyester (co)polymer, and an under-coat cross-linker; and an over-coat composition containing a poly(vinyl chloride) (co)polymer dispersed in a substantially nonaqueous carrier liquid, an over-coat cross-linker, and a functional (meth)acrylic (co)polymer. Also provided is a method of coating a metal substrate using the BPA, BPF, BADGE and BFDGE-free coating system to produce a hardened protective coating useful in fabricating metal storage containers. The coated substrate is particularly useful in fabricating multi-part foodstuffs storage containers with “easy-open” end closures.

Abstract: The invention describes a method of coating coils, comprising the following steps: (1) applying an aqueous primer coating composition (B) comprising at least one crosslinkable binder system (BM), at least one filler component (BF), at least one corrosion control component (BK), and volatile constituents (BL), to the optionally cleaned metal surface, the coating composition (B) having an organic solvent content of not more than 15% by weight, based on the volatile constituents (BL) of the coating composition (B), (2) drying the integrated pretreatment film formed from the primer coating composition (B), (3) applying a topcoat film (D) to the integrated pretreatment film dried as per step (2), and (4) jointly curing the films of coating composition (B) and topcoat (D).

Abstract: A method for biolithographical deposition of molecules is provided. According to an embodiment of the method, a reactive layer (e.g., a polysaccharide mass) having a surface region coated with a biologically compatible resist is provided. A portion of the biologically compatible resist is selectively removed to expose an exposed portion of the reactive layer. Molecules, such as biomolecules and/or cellular species, are then conjugated to the exposed portion of the reactive layer. Also provided are materials and devices related to the method.

Abstract: The present invention relates to an adhesion-promoting agent that contains at least 1.5 isocyanate groups per molecule and at least one urea linked silane group, coating compositions containing the adhesion promoting agent and methods for adhering protected coatings to a substrate. The adhesion-promoting agent is especially useful as an additive to the crosslinking component of a two component coating composition. The coating composition is especially useful for use as a protective coating on a previously coated or uncoated substrate such as an automobile.

Abstract: A crosslinkable and polymerizable composition containing a monomer and a cross-linking agent is applied onto a metal foil to form a coated film of the composition, and heat is applied to the coated film to firstly bulk polymerize the entire coated film of the crosslinkable and polymerizable composition. Then, by applying heat to the coated film from the metal foil side, cooling a surface far from the metal foil as needed, and subjecting a limited region adjacent to the metal foil in the thickness direction of the coated film to a cross-linking reaction, a composite for multilayer circuit board is obtained, in which the metal foil layer, a hard resin layer containing a hard resin obtained by bulk polymerization reaction and cross-linking reaction, and an adhesive resin layer containing an adhesive resin obtained by bulk polymerization reaction are laminated in this order.

Abstract: The present invention relates to a method of applying atmospheric corrosion control coats to metallic surfaces, using copolymers comprising as monomeric building blocks monomers containing nitrile groups, monomers containing acidic groups, and vinylaromatic monomers. It relates, furthermore, to preparations for applying corrosion control coats.

Abstract: Method for production of a coating on a solid substrate comprising the steps of applying a liquid coating composition comprising a polyfunctional resin, a fatty acid or derivative thereof acting as a reactive diluent and optionally a curing agent and/or one or more additives, wherein the resin comprises functional groups capable of reacting with carboxyl or acyl groups of the fatty acid or derivative thereof, onto the substrate, and curing the coating by heat activation. The invention further relates to the liquid coating composition as well as a substrate comprising a coating obtained by heat activation of such a coating composition.

Abstract: A method for producing a cable including at least one transmissive element, for example, an element transmitting electrical energy or optionally optical signals as well, and an expanded and cross-linked coating layer in a radially outer position with respect to the at least one transmissive element, the coating layer having a composition including an expandable and cross-linkable polymeric material. The method includes a) extruding the composition; b) forming a coating layer made of expandable and cross-linkable polymeric material with the composition thus extruded; c) expanding the coating layer made of expandable and cross-linkable polymeric material; and d) cross-linking the coating layer made of expandable and cross-linkable polymeric material. The expanding and cross-linking steps c) and d) are carried out by heating the coating layer made of expandable and cross-linkable polymeric material at atmospheric pressure by means of a suitable heating fluid.

Abstract: The present invention discloses an aqueous coating composition, comprising: (A) a water-soluble resin and (B) a cross-linking agent. The water-soluble resin after amination is evenly dispersed in a water-soluble solvent and the water-soluble resin is selected from the group consisting of the following or combination thereof: acrylic resin, alkyd resin, epoxy resin, polyurethane resin and polyester resin. The cross-linking agent at least has the function of promoting the reaction and enhancing the interaction force between the water-solution resin and a coating substrate. The function of the cross-linking agent is to have the water-soluble resin be dried naturally or compulsorily.

Abstract: A method of making a thermotropic liquid crystal polymer film includes continuously heat treating of the thermotropic liquid crystal polymer film 2 while the latter is jointed to a sheet-like support member 4, and subsequently separating the heat-treated thermotropic liquid crystal polymer film 2 from the support member 4. The continuous heat treatment of the thermotropic liquid crystal polymer film 2 then jointed to the support member 4 is carried out for a predetermined heating time within the range of 5 to 60 seconds at a predetermined heating temperature T° C. equal to or higher than the melting point Tm° C. of the thermotropic liquid crystal polymer film less 15° C. (i.e., Tm?15° C.), but lower than the melting point Tm° C. (thus, Tm?15° C.?T° C.<Tm° C.), to thereby increase the thermal expansion coefficient of the thermotropic liquid crystal polymer film.

Abstract: An coating apparatus, wherein the apparatus applies a coating, onto a surface of an aluminum alloy member for a heat exchanger to be assembled by brazing, with a top-feed-type roll transfer system having at least three rolls, the coating being obtained by mixing into an organic binder a metal powder, a flux powder, a powder mixture thereof, or a compound containing a metal component and a flux component, wherein rotation directions of transfer rolls of the apparatus arranged above a surface to be coated of an aluminum alloy extruded member that moves in a horizontal direction, satisfy a relationship in which a rotation direction of a coated-metal roll for coating, which rotates in a direction opposite to a moving direction of the extruded member, and a rotation direction of a metal roll for adjusting an adhesion amount of the coating by contacting with the above roll, are opposite to each other; and a method of producing an aluminum alloy heat exchanger member using the apparatus; and an aluminum alloy heat e

Abstract: A process for producing a crosslinkable resin formed product is disclosed which comprises providing a polymerizable composition containing a cycloolefin monomer, a metathesis polymerization catalyst, a chain transfer agent, and a crosslinking agent, and heating the polymerizable composition to 50° C. or more to effect ring-opening metathesis bulk polymerization, the temperature of the polymerizable composition before heating being maintained at ?10° C. to +20° C. According to the present invention, a process for efficiently producing a crosslinkable resin formed product which exhibits excellent flowability when melted by heat and does not produce voids(blurs) inside a laminate or impair flatness when laminated on a substrate is provided.

Abstract: The invention relates to the use of a composition comprising a chlorinated polyester resin in which the polyester satisfies formula (I) below: together with a crosslinking catalyst and a crosslinking accelerator in order to plug a crack affecting the wall of a metal device intended to contain a radioactive acid material. It is especially applicable in the maintenance of metal equipment of nuclear installations, in particular equipment that is for irradiated nuclear fuel reprocessing.

Abstract: A self curing, two component penetrating densifying sealant and coating composition that imparts protection and reinforcement to porous substrates, such as wood and concrete, as well as non porous substrates, such a metal surfaces, whether or not corroded, and concrete surfaces.

Abstract: Porous ceramic catalyst supports or filters to be provided with catalyst coatings via oxide washcoating processes are pre-coated with cross-linked polymer barrier layers to prevent washcoat nanoparticle intrusion into the microcracked and/or microporous surfaces of the ceramics, the barrier coatings being formed by thermally cross-linking hydrocarbon polymers that are vaporizable at moderate washcoat stabilization or catalyst activation temperatures and that preferentially block the micropore/microchannel pore volume of the article.

Abstract: Methods of making a coating composition including a film-forming material having a covalently bonded phosphorous atom, the phosphorous atom having at least one covalently bonded oxygen atom. Coating compositions can be used to coat a substrate, such as a metal substrate, by electrodeposition. Applied coatings containing the film-forming resins can be cured to form crosslinked films on substrates.

Abstract: The present invention relates to the use of branched, amorphous, polyester-based macropolyols for coating metal strips, to methods of coating metal strips and to the coated metal strips thus obtained. The coating comprises branched polyesters having trifunctional branching agent contents of between 10 and 25 mol %, based on the alcohol component, and the molecular weight of the polyester is between 2500 and 4500 g/mol.

Abstract: The present invention relates to a composition for treating surfaces, comprising a copolymer as component A, synthesized from (meth)acrylic acid or salts thereof, a carboxylate-containing monomer and/or monomers containing groups containing phosphoric and/or phosphonic acid or salts thereof, and further comonomers if desired, to a passivating layer on a metal surface, which comprises component A, to a process for forming said passivating layer, and to the use of the composition of the invention to passivate a metal surface.

Abstract: Methods and a structure. A first film of a first block copolymer is formed inside a trough integrally disposed on an energetically neutral surface layer of a substrate. Line-forming microdomains are assembled of the first block copolymer, and form first self-assembled structures within the first film normal to the sidewalls and parallel to the surface layer. At least one microdomain is removed from the first film such that oriented structures remain in the trough oriented normal to the sidewalls and parallel to the surface layer. A second film of a second block copolymer is formed inside the trough. Line-forming microdomains are assembled of the second block copolymer, and form second self-assembled structures within the second film oriented normal to the oriented structures and parallel to the sidewalls. A second method and a structure are also provided.

Abstract: A composition for coating metal surfaces based on crosslinking polyester resins as an organic constituent, which, based on its total mass, contains from 4 to 20% by weight of aluminum flakes and not more than 0.1% by weight of compounds containing isocyanate groups. The composition preferably comprises, as an organic binder, at least one hydroxylated polyester resin, preferably having a mean molar mass in the range from 2000 to 15,000, a crosslinking component for the hydroxylated polyester resin and an acidic crosslinking catalyst. A process for applying the composition to metal strip in a belt process is likewise disclosed. The layer application is adjusted within the range from 3 to 30 ?m according to the end use, for which double coating may be advantageous. For example, the composition may serve as a “galvanization replacement”.

Abstract: A process for coating a metallic surface of an aircraft. The process includes applying to the metallic surface a composition that polymerizes to form a polyurea having a tensile strength of more than 3500 psi and at least 700% elongation. The polyurea can be formed from an A-side and a B-side, where the weight percents of components for the A-side are: from about 30 to about 65 percent of polyisocyanate; from about 15 to about 70 percent of a polytetramethylene ether glycol; diluent, from 0 to about 20 percent; where the weight percents of components for the B-side are: from 35 to about 40 percent of one or more aromatic diamines; from about 20 to about 70 percent of one or more amine terminated polyether polyols.

Abstract: Compositions and methods of preparing functional thin films or surface coatings with low non-specific binding are described. The thin films contain specified functional groups and non-specific binding repellant components. The thin films are either covalently bound to or passively adsorbed to various solid substrates. The specified functional group provides specified activity for the thin film modified solid surfaces and non-specific binding repellant components significantly reduce the non-specific binding to the thin film modified solid surfaces. Non-specific binding repellant components do not affect specified functional group's activity in the thin films. In these methods, specified functional groups are anchored to the solid substrates through a spacer.

Abstract: There are provided: a method for forming a shining coating film which can form a coating film extremely excellent in a leveling property and a brightness with good workability and can also realize the reduction of environmental burden; and a coated article excellent in a design property obtained by this method. In a method comprising the steps of sequentially coating a shining material-containing solvent type first base coat coating, a shining material-containing solvent type second base coat coating and a top clear coating onto a base material and baking a formed multilayered coating film at the same time, an improvement is made so that the resin composition and coating nonvolatile concentration of the first and second base coat coatings and the amount of nonvolatiles in the first and second base coating films will have specific conditions.

Abstract: Chromium-free, curable corrosion protection composition for primary coating of metallic substrates, which has a pH in the range from 1 to 3 and contains water and a) fluorocomplex ions of titanium and/or zirconium, b), at least one corrosion protection pigment, c) at least one organic polymer which is soluble or dispersible in water in the specified pH range and on its own in aqueous solution at a concentration of 50% by weight has a pH in the range from 1 to 3, process for treating metal strip with this composition and treated metal strip which can be obtained in this way. The organic polymer c) is preferably selected so that it contains at least one monomer selected from among acrylic acid, methacrylic acid, acrylic esters and methacrylic esters as free-radically polymerizable, ethylenically unsaturated monomers and has at least one type of functional groups selected from among epoxy, silane, hydroxy, carboxyl, phosphoric acid and phosphoric ester groups.

Abstract: The present invention provides a method of forming a coating film on an aluminum substrate, comprising the steps of: (1) coating an aluminum substrate with a thermosetting polyester resin lustrous powder base coating composition (a) containing a lustrous material, and baking the resulting base coat layer; and (2) coating the base coat layer with a thermosetting acrylic resin clear powder coating composition (b), and baking the resulting clear coat layer to obtain a lustrous multilayer coating film.

Abstract: The present invention relates to inner coatings of metal food containers and packaging and to a process for their production. The coatings are applied to the inside of at least a portion of the surface area of containers that are in direct contact with foods or other consumable products and subsequently cured. The coatings include a) at least one polyisocyanate containing an average of at least two NCO groups per molecule, at least 95% of the NCO groups being blocked with a blocking agent, and b) at least one polyhydroxyl compound containing an average of at least two hydroxyl groups per molecule that react with NCO groups.

Abstract: There is disclosed a rust prevention and hydrophilization treatment method for a flux-brazed aluminum-made heat exchanger which comprises subjecting the same to a rust prevention treatment by the use of a zirconium base compound and/or a titanium base compound, and thereafter subjecting the same to a hydrophilization treatment by means of a hydrophilization treatment agent composition containing the under-mentioned components: (1) 40 to 90% by mass of polyvinyl alcohol having a degree of saponification of at least 90%; (2) 3 to 40% by mass of polyoxyalkylene-modified polyvinyl alcohol in which 0.01 to 20% of pendant groups are polyoxyalkylene ether groups; (3) 1 to 30% by mass of an inorganic cross-linking agent which reacts with hydroxyl groups of the polyvinyl alcohol and modified polyvinyl alcohol; and (4) 1 to 20% by mass of a guanidine compound and/or a salt thereof.

Abstract: Processes are disclosed for preparing a printable and printed articles by coating a substrate with a composition containing a crosslinkable amine functional polymer and a polyfunctional isocyanate blocked by a blocking agent. The coated substrate is heated to a sufficient temperature to deblock the blocked polyfunctional isocyanate and thereby produce a crosslinked hydrophobic, ink receptive polymer layer on the substrate. Printed articles are prepared by forming an image on the crosslinked hydrophobic, ink receptive layer. In a preferred embodiment, the crosslinked hydrophobic, ink receptive polymer composition is characterized by a solvent resistance fraction of at least 0.6 and a solvent absorbance capacity of at least 300. The substrate of the printed article is preferably polymer, metal, glass, or paper, more preferably polymer film. A process for preparing printable articles wherein the substrate is a fluoropolymer is especially preferred.

Abstract: The invention relates to an enamel-like mixture containing resin and inorganic particles for applying a polymeric, corrosion-proof, wear-resistant, deformable and electrically conductive covering to a substrate. Said mixture contains at least 10 wt. % of electrically conductive particles having an electrical conductivity better than that of zinc particles and having a Moh's hardness greater than 4 with regard to the solids contents of the mixture. These electrically conductive particles have a particle size distribution in which 3 to 22 vol. % of the electrically conductive particles, measured with a Mastersizer 2000 equipped with measuring head Hydro 2000S of the company Malvern Instruments, are, in a volume representation, larger than the average layer thickness of the dried and, optionally, also hardened covering determined on recordings made using a scanning electron microscope.

Abstract: Polymeric film structures incorporating at least one coating comprising a cross-linked EVOH copolymer and coating solutions suitable for use on polymeric films comprising at least one EVOH copolymer and at least one cross-linker are provided. The coated films may be single or multi-layered film structures. The films may also be metallized. The coated films exhibit beneficial water vapor and oxygen transmission rates. The coated films may also exhibit the beneficial barrier characteristics under conditions of high humidity. The coated films are suitable for packaging applications. The coating solutions exhibit beneficial stability characteristics over extended time periods.

Abstract: The invention relates to a binding agent composition, in particular an adhesive, containing at least one epoxy compound or at least one amino compound comprising at least two amino groups, or at least one hydroxy compound comprising at least two OH groups, or at least one mercapto compound comprising at least two mercapto groups, or at least one isocyanate comprising at least two NCO groups and a compound with chelating properties. The invention also relates to a method for producing binding agent compounds of this type and to the use of the same.

Abstract: Disclosed are a flexible metal-clad laminate comprising a metal foil and a heat-resistant resin film layer formed on one side of the metal foil, the heat-resistant resin film layer comprising a crosslinked condensation polymer and having an N-methyl-2-pyrrolidone-insolule content of at least 1%, and a method for producing the flexible metal-clad laminate comprising the steps of applying a heat-resistant resin solution to a metal foil; predrying the metal foil until the heat-resistant resin layer has an residual solvent content of 10 to 40% by weight; and carrying out solvent removal and heat-treatment while controlling the crosslinking reaction of the resin.

Abstract: The invention provides a coating composition to coat electrical steel sheets, the composition comprising: A) 5 to 45 weight % of at least one binder resin, B) 0.1 to 40, preferably 1 to 30 weight % of nano scaled particles, the particles having an average radius ranging from 1 to 300 nm, C) at least one cross-linking agent in an amount able to cross-link with the binder resin, preferably 0.1 to 30 weight % of at least one cross-linking agent, D) 0.1 to 60 weight % of at least one additive and/or pigment and/or filler, and E) 5 to 70 weight % of water and/or at least one solvent, the weight % based on the total weight of the composition.

Abstract: The present invention relates to a composition, which is useful for producing coatings for metal sheet substrates of metal cans for storing and/or transporting food or beverages or a lid thereof, and which comprises the following components: (a) 30 to 90 wt. % of a polyvinylchloride-(PVC)-polymer, (b) 7 to 25 wt. % of an acrylic resin, (c) 3 to 40 wt. % of a crosslinking agent, which is produced from phenol, para-tert.-butylphenol, xylenol or a mixture thereof, and formaldehyde, (d) 0 to 8 wt. % additive, (e) 0 to 50 wt. % pigment and (f) a solvent-component, where all weight percentages are on the basis of the total dry weight of the coating composition (without solvents) and the composition is substantially free of bisphenol-A-diglycidyl-ether (“BADGE”) and also substantially free of bisphenol-A-resins. The composition provides metal can coatings that have suitable flexibility, scratch resistance, adherence and sterilization resistance when processed in contact with food.

Abstract: A composition for the treatment of metal surfaces and for the deposition of metals or metal alloys on plastics surfaces contains a) at least one polymer as component A, composed of the structural element (1) and at least three structural elements selected from the group consisting of b) water or another solvent which is suitable for dissolving, dispersing, suspending or emulsifying the polymer, as component B; c) if required, surface-active compounds, dispersants, suspending media and/or emulsifiers as component C. In a process for the treatment of a metal surface and a process for the deposition of metals or metal alloys on a plastics surface, the metal or plastics surface is brought into contact with a polymer (component A). Furthermore, polymers (component A) are used for the treatment of metal surfaces and for the deposition of metals or metal alloys on a plastics surface, and polymers composed of special components A?a, A?b and A?c.

Abstract: Protective liners or coatings for metal conduits, pipes and tanks subjected to corrosive liquids are disclosed. The liners comprise a composition containing a silylated copolymer of, for example, isobutylene and para-methylstyrene, which are curable by contact with moisture.

Abstract: A method of irreversibly immobilizing an enzyme in a polyurethane and an enzyme-containing polyurethane having a degree of immobilization of the enzyme of approximately 100%. The synthesis of waterborne polyurethanes in the presence of enzyme has enabled the irreversible attachment of the enzyme to the polymeric matrix. The distribution of immobilized enzyme as well as activity retention are homogeneous within the polyurethane. Decreasing ECC hydrophobicity, via the use of a less hydrophobic polyisocyanate prepolymer during polymerization, significantly enhanced the intrinsic activity of the ECC.

Abstract: This invention relates to a low camping fluorocarbon thermoplastic random copolymer roller coating having a closely controlled curing agent content.

Abstract: A protective coating composition in an organic liquid carrier comprising a polymeric film forming binder, the polymeric binder comprising by weight: (a) 50% to 100% of an epoxy-polyester block copolymer being the reaction product of a preformed epoxy resin and a preformed carboxyl functional, and (b) 0 to 50% of a crosslinker where the sum of (a) and (b) is 100%, characterised in that the carboxyl functional polyester prepolymer is the reaction product of one or more polyols with one or more dicarboxylic acids or their anhydrides, where the dicarboxylic acids or anhydrides comprise a mixture of (i) 20% to 45% of an aromatic dicarboxylic acid or its anhydride, (ii) 55% to 80% of cyclohexane dicarboxylic acid, and (iii) 0 to 10% other aliphatic dicarboxylic acid, where the sum of (i), (ii), and (iii) is 100% based on the weight of the dicarboxylic acid and anhydride components.

Abstract: The above-discussed and other problems and deficiencies of the prior art are overcome or alleviated by the improved bone connective prosthesis and method of forming the same of the present invention, comprising the addition of at least one biocompatible metal coupling agent to a prosthetic element, and then adding the biocompatible copolymerizer 2-hydroxyethyl methacrylate (“HEMA”) to the PMMA film and/or cement in an amount effective to enhance the cohesion between the prosthetic and the bone cement. In general, a PMMA/HEMA film is applied to the prosthetic element in the presence of a silane coupling agent by dipping, painting, spraying, etc.

Abstract: Polyurethane powder coating compositions containing uretdione groups and curing at low temperatures are provided, along with processes for preparing such compositions, and their use as powder coatings, wherein the compositions generally contain: A) a uretdione-containing powder coating hardener derived from aliphatic, (cyclo)aliphatic, cycloaliphatic or aromatic polyisocyanates and hydroxyl-containing compounds, and having a melting point from 40 to 130° C., a free NCO content of less than 5% by weight, and a uretdione content of 6-18% by weight; B) a hydroxyl-containing polymer having a melting point from 40 to 130° C., and an OH number between 20 and 200 mg KOH/gram, and C) a catalyst of the formula [NR1R2R3R4]+[R5]?, in which R1-R4 simultaneously, or independently of one another, are alkyl, aryl, aralkyl, heteroaryl or alkoxyalkyl radicals, and each R1-R4 is aromatic, linear or branched, unbridged or bridged with other radicals, R1-R4.