Abstract: Ceramic/structural protein composites and methods of preparation are disclosed, including coatings and films. Ceramic/structural protein coatings can be fabricated on the surface of substrates, including the surface of implantable medical devices.

Abstract: The subject of the present invention is the use of at least one element chosen from among yttrium, zirconium, lanthanum, cerium, praseodymium and neodymium, in the form of oxides or salts, as reinforcing agent for the anticorrosion properties of an anticorrosion coating composition containing a particulate metal, in aqueous or organic phase, for metal parts.

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: An ambient temperature curable hydrophilic PU oligomer includes a PU pre-polymer having a hydrophilic center group and a curable terminated group. The ambient temperature curable hydrophilic PU oligomer includes the moisture-curable hydrophilic PU oligomer such as isocyanate-terminated PU pre-polymer and free-radical curable hydrophlic PU oligomer. The isocyanate-terminated PU pre-polymer is synthesized by mixing at least one multi-isocyanate, at least one polyol and one or more diol monomer with hydrophilic group. The acrylate-terminated PU oligomer is synthesized by adding 2-hydroxyethyl methacrylate (HEMA) into the isocyanate-terminated hydrophilic PU pre-polymer. Either acrylate- or isocyanate-terminated PU oligomer can be applied on a textile or a glass surface with a thin-layer coating technology. The curing reactions of these hydrophilic thin-layer coatings are carried out with moisture or UV-radiation, respectively, at ambient temperature.

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: The present invention provides an aqueous intermediate coating composition comprising: (A) a resin containing hydroxyl and carboxyl groups with a hydroxyl value of 100 to 200 mg KOH/g and an acid value of 20 to 50 mg KOH/g; (B) at least one curing agent selected from the group consisting of melamine resins and blocked polyisocyanate compounds; and (C) flat pigment particles; the molecular weight distribution of a curable resin component comprising component (A) and component (B) including from 30 to 50% by weight of a component with a molecular weight of less than 1,000, and 10% by weight or less of a component with a molecular weight exceeding 100,000; the proportion of component (C) being from 2 to 15 parts by weight based on 100 parts by weight of the resin component; and when the intermediate coating composition is applied to an undercoating film, pre-dried at 100° C. for 30 minutes and then heat-cured at 145° C.

Abstract: Inorganic substrates with a hydrophobic surface layer of a fluorinated material having the following structure are disclosed: where A is an oxygen radical or a chemical bond; n is 1 to 20; Y is H, F, CnH2n+1 or CnF2n+1; X is H or F; b is at least 1, m is 0 to 50, and p is 1 to 20. The fluorinated material can be directly adhered to the inorganic substrate or can be indirectly adhered to the inorganic substrate through an intermediate organometallic coating.

Abstract: An emulsion comprising the following (A), (B) and (C): (A) an olefinic copolymer comprising a structural unit derived from ethylene and/or a linear ?-olefin and a structural unit derived from a vinyl compound represented by the formula (I): CH2?CH—R??(I) wherein R represents a secondary alkyl group, a tertiary alkyl group or a alicyclic hydrocarbon group, or a polymer obtained by graft polymerizing an ?,?-unsaturated carboxylic acid anhydride to the olefinic copolymer, (B) an acrylic resin comprising a structural unit derived from an ?,?-unsaturated carboxylic acid and a structural unit derived from an ?,?-unsaturated carboxylic acid ester, (C) water.

Abstract: An aqueous, metal, coating composition (and process for obtaining it) comprising a block copolymer and a polymer P; wherein the block copolymer comprises at least blocks [A]x[B]y, where at least block [A] is obtained by a controlled radical polymerisation of at least one ethylenically unsaturated monomer via a reversible addition-fragmentation chain transfer (RAFT) mechanism in solution in the presence of a control agent and a source of free radicals; and where (a) block [A] comprises (i) 0 to 80 mol % of metal adhering ethylenically unsaturated monomers; (ii) 0 to 100 mol % of water dispersible ethylenically unsaturated monomers; (iii) 0 to 70 mol % of C1 to C30 hydrocarbo (meth)acrylate and/or styrenic monomers; (iv) 0 to 35 mol % of ethylenically unsaturated monomer different from i), ii)+iii); where the amount of at least one of i), ii), iii)+iv) is >0 mol %; block [A] has a Hansch parameter <1.

Abstract: The present invention describes a process for preparing a surfactant-free suspension including hydrophobic particles and at least 50.01% by weight of water, where hydrophobic, nanostructured particles are suspended in at least one organic solvent miscible with water and having a boiling point below 150° C., and then this concentrated organic suspension is intensively and thoroughly mixed with surfactant-free water.

Abstract: A process for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets and postcrosslinking the polymer particles, wherein the postcrosslinked polymer particles are at least partly coated.

Abstract: The invention relates to a method for coating objects, particularly plumbing fixtures, having metallic surfaces. According to the method, at least one organosilane is applied during the so-called sol-gel process after an optionally provided pretreatment step that serves to activate the metallic surfaces, and the coating obtained thereby is transformed into a polysiloxane coating. This transformation of the coating into a polysiloxane coating preferably ensues by a thermal treatment effected at temperatures of <100° C., preferably <70° C.

Abstract: This invention provides a coating composition for use on a food-contact surface of a container (e.g., a food or beverage can) that includes a polymer having one or more segments of Formula I: —O—Ar—Rn—C(O)—O—R1—O—C(O)—Rn—Ar—O— wherein each Ar is independently a divalent aryl group (i.e., an arylene group) or heteroarylene group; R1 is a divalent organic group; each R is independently a divalent organic group; and n is 0 or 1. Containers comprising the polymer and methods of making such containers are also provided.

Abstract: Highly uniform silica nanoparticles can be formed into stable dispersions with a desirable small secondary particle size. The silican particles can be surface modified to form the dispersions. The silica nanoparticles can be doped to change the particle properties and/or to provide dopant for subsequent transfer to other materials. The dispersions can be printed as an ink for appropriate applications. The dispersions can be used to selectively dope semiconductor materials such as for the formation of photovoltaic cells or for the formation of printed electronic circuits.

Abstract: An aqueous coating composition comprising (i) a polyurethane obtained by the reaction of (a) an isocyanate-terminated pre-polymer obtained from the reaction of components comprising at least one polyisocyanate of which at least 50 wt % is at least one aliphatic polyisocyanate; in an NCO/OH ratio in the range of from 1.75 to 1.05; and (b) an active-hydrogen chain-extending compound; and (ii) a vinyl polymer having a Tg below ambient temperature.

Abstract: The present invention provides a process for making a filled fluoropolymer bearing comprising providing an aqueous fluoropolymer dispersion comprising fluoropolymer particles and anionic polyelectrolyte dispersing agent in an amount sufficient for stabilization. The dispersion contains less than about 300 ppm fluorosurfactant based on the weight of the dispersion. The dispersion is coagulated to make a mush and a bearing filler is added to the dispersion prior to or after making the mush. The mush containing bearing filler is applied onto a bearing substrate to produce a coated substrate which is sintered and formed into a bearing.

Abstract: A method of applying to a metal surface a composition and drying the surface for crosslinking, which composition comprises a dispersion in the solvent of a compound comprising the reaction product of (1) a polyamine in which a plurality of amine groups are bonded to at least one radical comprising alkylene or arylene groups that separate the polyamine nitrogen atoms by at least four intermediate atoms in a chain, and (2) a silane which carries a plurality of silicon-bonded hydrolysable groups, and a silicon-bonded organic group that is covalently reactive with and which bonds with an amine group, to provide a reaction product molecule which comprises an average of at least about 2.5 of said silane groups per molecule. Some of these materials show superior advantage as a paint primer and some provide excellent corrosion resistance.

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: To provide a stretch-formed multilayer container with excellent oxygen-gas barrier properties even in a high humidity atmosphere, which is obtained by stretching a multilayer sheet or a multilayer preform, which contains at least one layer made of a mixture of a polycarboxylic acid-based polymer (B) and a plasticizer (C) and at least one layer made of a mixture of a multivalent metal compound (D) and a resin (E), from 1.1 to 100 times its area draw ratio.

Abstract: The present invention provides a process for making a filled fluoropolymer bearing comprising providing an aqueous fluoropolymer dispersion comprising fluoropolymer particles and anionic polyelectrolyte dispersing agent in an amount sufficient for stabilization. The dispersion contains less than about 300 ppm fluorosurfactant based on the weight of the dispersion. The dispersion is coagulated to make a mush and a bearing filler is added to the dispersion prior to or after making the mush. The mush containing bearing filler is applied onto a bearing substrate to produce a coated substrate which is sintered and formed into a bearing.

Abstract: The invention relates to the following types of composite membranes; composites or composite membranes obtained by adding a metal salt, e.g. from ZrOCl2, to a solvent, especially DMSO, for dissolving one or more polymers in an organic solvent or in aqueous systems, in addition to the subsequent precipitation in the matrix of the thus produced composite-membrane by post-treatment thereof in an acid or in a salt solution, especially phosphoric acid. The invention also relates to composites or composite membranes obtained by subsequent ion exchange of finished polymer membranes with a suitable salt cation, especially ZrO2+, wherein the polymer membrane is, optionally, swollen with an organic solvent or a mixture of organic solvent with water prior to the ion exchange and the subsequent precipitation of a low soluble salt, e.g. from Zr3(PO4)4, in the membrane by post-treatment thereof in an acid or in a salt solution, especially phosphoric acid.

Abstract: Process for the preparation of aqueous dispersions of carboxylated anionic polyurethanes free from volatile aminines, useful for the preparation of coatings for leather, paper, metals, textiles and plastics.

Abstract: A multi-stage aqueous emulsion polymer including a first polymer having a calculated Hansch parameter >2.0, the first polymer including 0.5-5 wt. % copolymerized acid monomer, based on the weight of the first polymer, and a second polymer including from zero to less that half the wt. % of acid monomer in the first polymer, based on the weight of the second polymer, the second polymer being from 50% to 85% of the total weight of the first polymer and the second polymer, wherein the difference between the calculated Tgs of the first and the second polymer is from 0° C. to less than 20° C. is provided. Also provided is an aqueous coating composition including the multi-stage emulsion polymer and a method for providing a coating.

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: A method for producing weather- and corrosion-resistant shaped sheets consisting of aluminum or an aluminum alloy with a decorative finish in a coil coating process that comprises the following sequential steps: an aluminum strip or aluminum alloy strip is provided; optional continuous degreasing of the strip; optional electrochemical, chemical or mechanical burnishing of the optionally degreased strip; the optionally degreased and/or burnished strip is continuously pre-treated to create a pre-treated layer that is suitable for use as an adhesive base for a paint layer; the optionally degreased strip is continuously pre-treated to create a strip surface that is suitable for use as an adhesive base for a paint layer; the pre-treated strip is continuously painted with a sol-gel paint consisting of a polysiloxane to create a first protect protective layer; the first protective layer is continuously dried and cured in a continuous furnace; the sheets are produced by shaping the strip that comprises the first prot

Abstract: There are provided a process for the production of an entry sheet for drilling, comprising preparing a water-soluble resin composition solution by using a mixed solvent containing water and isopropyl alcohol in a specific ratio as a solvent of a water-soluble resin composition, then applying the solution to a sheet-like base material and drying the resultant base material to form a resin layer on the base material, and a method of drilling a printed wiring board material using the above entry sheet. According to the present invention, the problems of remaining bubbles in the resin layer and a decrease in surface flatness and smoothness due to the occurrence of a ridge, which are caused because the melting point of the water-soluble resin is lower than the boiling point of water, are overcome, and an entry sheet for drilling excellent in hole position accuracy is provided.

Abstract: A coating composition for a food or beverage can that includes an emulsion polymerized latex polymer formed by combining an ethylenically unsaturated monomer component with an aqueous dispersion of a salt of an acid- or anhydride-functional polymer and an amine, preferably, a tertiary amine.

Abstract: A method of coating surfaces of plastic or metal, which comprises treating the plastic or metal surface in question with an aqueous dispersion comprising (A) at least one ethylene copolymer having a molecular weight Mn in the range from 2000 to 20 000 g/mol, selected from ethylene copolymers comprising as comonomers in copolymerized form (a) 15.5% to 19.9% by weight of at least one ethylenically unsaturated C3-C10 carboxylic acid and (b) 80.1% to 84.5% by weight of ethylene, (B) at least one base, in one step and subsequently providing in at least one further step the metal or plastic surface in question with at least one further coat.

Abstract: The present invention generally relates to an aqueous coating material with low VOC (Volatile Organic Compounds) and essentially zero HAP (Hazardous Air Pollutants) suitable for coating a metal surface, a method for treating metal, particularly steel, surfaces of a structure such as a joist with such aqueous coating material, and use of such aqueous coating material to treat metal surface to provide protection against corrosion particularly during delivery, storage on site, assembly, and erection in an atmosphere.

Abstract: A water-based lubricant composition, comprising: water, molybdenum disulfide, polytetrafluoroethylene, and a polymeric binder, wherein the binder is an acrylic resin or a polyurethane resin.

Abstract: This invention relates to a method of coating a metal surface by applying a solution containing an alkanethiol compound and a solvent to a metal surface, allowing the formation of a self-assembled monolayer, which presents as a robust barrier to corrosion. The alkanethiol compounds have a general formula, R(CH2)nSH, where R represents methyl, carboxyl, hydroxyl, formyl, or amide; n is in the range of 7 to 21, preferably in the range of 12 to 18.

Abstract: Electrophoretic particles are constituted by core particles comprising a first polymer, and a pigment dispersed in the core particles. To the pigment, a second polymer is grafted, and at the surface of core particle, a shell layer for suppressing agglomeration of the core particles is disposed. The electrophoretic particles are excellent in a degree of coloring and dispersibility compared with conventional electrophoretic particles.

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: A composition comprising a fluorinated surfactant. Also, an unseparated reaction product obtained by reacting an epoxide and either an acid alcohol or an acid mercaptan. Additionally, a coatable composition comprising a leveling agent, water, and a film-forming organic polymer. The present application also provides a method of coating and a coated article.

Abstract: The present invention relates to methodologies for the self-assembly of nanoparticles onto a release support that is capable of covalent integration into flexible free-standing films. Such films display usefull constitutive properties, such as permittivity, permeability, electrical conductivity, thermal conductivity, and nonlinear optic properties. The type of property is dependant upon the type of nanoparticle incorporated into the compliant polymeric matrix. The compliant matrix may be any material that reacts with the components in the nanoparticle film and may be separated from the release substrate. The nanoparticles may be dispersed uniformly or spatially patterned throughout the self-assembled film.

Abstract: A process for multilayer repair coating, comprising the following steps: applying a first base coat layer of a conventional, water-borne base coat I containing at least one special effect pigment, applying a second base coat layer of a water-borne base coat II onto the resultant coating, wherein the water-borne base coat II for producing the second base coat layer is feathered out into the zones bordering the repair coating, and wherein this water-borne base coat II comprises A) at least one water-dilutable binder, B) at least one special effect pigment, C) at least one matting agent, D) water and E) optionally, conventional coating additives and/or organic solvents, with the proviso that the water-borne base coat II contains the at least one special effect pigment in a quantity of 25-75 wt.

Abstract: A process for the treatment or pretreatment of containers made of aluminum, aluminum-containing alloys, magnesium-containing alloys, iron-containing materials such as steel, coated iron-containing materials such as galvanized steel, or aluminum alloys, tinplate, brass or bronze, in particular the treatment or pretreatment of bags, tubs, bottles, cans, canisters, casks or tubes, wherein the process steps for the treatment or pretreatment take place at the same time as the application of the lubricant, with the agent used for the pretreatment or treatment, which also contains or is a lubricant, not essentially consisting of titanium or zirconium with fluoride and polymer, the lubricant possibly being formed first in the agent for the pretreatment or treatment or in the formation of the coating produced therefrom.

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: The present invention is directed to a method for producing a high gloss coating on a printed surface. In the present method, an aqueous coating composition is deposited onto a surface to be printed using a blanket roller coating face which is a low energy, non-stick, smooth surface profile. In the present method, simultaneous with the deposition of aqueous coating onto a substrate, or shortly thereafter, pressure either alone or in combination with heat may be applied to the coating in order to create a substantially tack-free surface conforming to the surface of the coating face. By using a highly polished coating face, high gloss coatings may be readily obtained using this methodology in a number of traditional printing techniques including wet trap inline sheet-fed printing, heat-set offset printing, dry trap inline flexographic printing, offset web-fed printing and gravure printing.

Abstract: Disclosed herein is a pearlescent coating for a vehicle of a particular vehicle color, comprising an e-coat and an outer coating portion applied to the e-coat, the outer coating portion including at least one color-containing primer layer applied to the e-coat layer and a pearlescent coating applied to the primer layer, the outer coating portion being capable of absorbing about 85 percent of UV radiation landing on the coating.

Abstract: An aqueous thermosetting primer composition includes a polyurethane polymer, an acrylic polymer polymerized in a wax having crosslinkable functionality, and a crosslinking component that is reactive with the wax and at least one of the polyurethane polymer and the acrylic polymer. The polyurethane polymer has a glass transition temperature of 0° C. or less. The acrylic polymer has a glass transition temperature that is at least about 20° C. higher than the glass transition temperature of polyurethane resin. The invention further provides a composite coating having as a primer layer a cured layer of the primer composition of the invention and having at least one topcoat layer.

Abstract: Water-based, substrate treatment compositions contain (A) at least one chitosan selected from chitosan and a chitosan derivative, and (B) a metal compound containing at least one metal selected from Ti, Zr, Hf, Mo, W, Se, Ce, Fe, Cu, Zn, V and trivalent Cr. In particular, the water-based, substrate treatment compositions can improve the interlayer adhesion between metal materials and resin coating layers such as films or coatings, and can also improve the corrosion resistance and solvent resistance of such metal materials.

Abstract: Methods treating razors blade cutting edges having an adherent polyfluorocarbon coated thereon are described. The coated razor blade edges are treated with a solvent, which partially removes the coating from the razor blade edge. Addition of an antioxidant to the solvent improves the effectiveness of the treatment.

Abstract: This invention relates to an improvement in a process for forming a carton from paperboard stock comprising the steps: applying an aqueous based adhesive to select parts of a paperboard carton blank obtained from a paperboard feedstock; drying the aqueous based adhesive; folding the select parts of the adhesive coated carton blank onto cooperating parts of the paperboard blank; and, heat sealing the select and cooperating parts thereby forming the carton; wherein the aqueous based adhesive is comprised of a vinyl acetate/ethylene polymer formed by emulsion polymerization and having (a) a crystalline melting point (Tm) ranging from 35 to 110° C., preferably 50 to 90° C.; measured at a heat rate of 20° C./minute and, (b) a tensile storage modulus of at least 1×104 dynes/cm2 at 115° C. measured at 6.28 rad/sec.

Abstract: The invention relates to a coating composition for a metal substrate exhibiting a free outer surface consisting of a metal coating based on zinc or a zinc-based alloy, characterized in that it comprises: silicate(s) of sodium and/or potassium and/or lithium (3-35 wt. %), a tensioning agent (à.01-1 wt. %), the remainder being water in a quantity sufficient to arrive at 100 %.

Abstract: Provided is a method for the application of a polymer coating to an internal surface of a container, which method comprises: (a) heating the inside surface of the container to be coated; (b) spraying an aqueous suspension of a fluorine-containing polymer onto the surface to form a coating on the surface; and (c) sintering the coating; wherein the container comprises a base and one or more side walls defining a container opening and is suitable for storing a medicament, and wherein the spraying step is conducted with a first spraying means configured to produce an axial spray pattern that is substantially conical about an axis perpendicular to the container base.

Abstract: This invention is directed to aqueous-based ethylene-vinyl acetate (EVA) polymer emulsions suited for use in heat seal applications. The EVA polymers of this invention are produced by a relatively low-pressure process, i.e., less than 2000 psig, preferably from about 1000 to about 2000 psig. The aqueous-based EVA based polymer emulsions contain crystalline segments resulting from ethylene linkages and are prepared by emulsion polymerizing ethylene and vinyl acetate, preferably with a carboxylic monomer, in the presence of a stabilizing system containing surfactant or a cellulosic protective colloid in combination with surfactant.

Abstract: This invention provides esters of acetoacetic acid useful as adhesion promoters for waterborne coatings compositions applied to corroded or rusty metal substrates. The esters of acetoacetic acid also function as a coalescing aid in the coating composition.