Abstract: A photocurable silver composition is provided which comprises an ultraviolet light curable organic mixture, a photoinitiator, a silver powder, and a silver flake composition. The silver flake composition comprises at least 20% of the weight of the silver powder. The disclosed compositions may be used to produce silver-containing coatings on a variety of different substrates. Related methods are provided.

Abstract: Disclosed are a thermoplastic polymer-linked-asphalt composition and a process for making a thermoplastic polymer-linked-asphalt. More particularly, the present invention relates to the reaction and resultant linking of a combination of epoxide-containing polymers and anhydride-containing polymers to asphalt to form a polymer-linked-asphalt composition having higher softening points. The improved polymer-linked-asphalt product is particularly useful in roofing applications.

Abstract: Curable compositions, such as benzoxazine-based ones, are useful in applications within the aerospace industry, such as for example as a heat curable composition for use as a matrix resin or an adhesive, and form the basis of the present invention.

Abstract: An acetal-based composition useful as a nucleating, gelling, thickening or clarifying agent is disclosed. The composition may be synthesized or provided in many different forms, including multicarbon diacetals formed from carbohydrates. Once synthesized, the compound may be employed as an additive in a plastic composition, such as (for example) a polypropylene copolymer. Co-additives may also be employed. Several aryl structures may reside upon the hydrocarbon chain backbone. One structure of such an acetal-based composition which happens to have two aryl-containing groups is shown: wherein: n is 0, 1 or 2; Ar1 and Ar2 are independently selected from substituted or unsubstituted aryl-containing groups; and R is selected from the group consisting of: alkenyls, alkyls, alkoxy, hydroxyl alkyls, and alkyl-halides.

Abstract: The whiteness and stability after processing of a polyolefin have been found to be improved upon the addition of a combination of at least one high activity phosphite and at least one hydrolytically stable phosphite.

Abstract: A golf ball including a core comprised of a polymer containing an acid group that has been neutralized 90% or greater by a salt of an organic acid, a cation source, or a suitable base of the organic acid, the core having a compression of 90 or less and a diameter of between 1.00 inch and 1.64 inches; and a thermoplastic cover layer including ionomeric copolymers and terpolymers, ionomer precursors, thermoplastics, thermoplastic elastomers, grafted metallocene-catalyzed polymers, non-grafted metallocene-catalyzed polymers, single-site polymers, high-crystalline acid polymers and their ionomers, or cationic ionomers.

Abstract: The invention relates to hydrophilic additives for synthetic fibres containing polyolefin; said additives are represented by general formula (I): A—B—C—B—A wherein A is a radical R—COO, wherein R represents a saturated, cross-linked or non-cross-linked alkyl radical having 7–21 C atoms, B represents a group (CnH2nO)k, wherein n is a whole number from 2–4 and k can have a value of 1–15, C represents a linear or cross-linked alkylene radical having at least 2 and at the most 6 C atoms and the radical C can be, optionally, interrupted by oxygen atoms.

Abstract: Golf ball compositions including novel processing aids, e.g., metal salts of unsaturated fatty acids, high styrene resins, transpolyisoprene, and transpolybutadiene, for inclusion in rubber-based compositions that reduce safety risks, mixer down time, increase dispersion of the ingredients during processing, and increase component COR over that of a component formed with a conventional processing aid.

Abstract: A rubber composition for magnetic encoder, which comprises ethylene-methyl acrylate copolymeric rubber, magnetic powder and an amine-based vulcanizing agent, can give molding products with distinguished heat resistance, water resistance and saline water resistance and can be used as effective vulcanization molding materials for magnetic encoder, particularly in use for wheel speed sensor. A higher mixing proportion of the magnetic powder can be added to the rubber component, so the resulting magnetic encoder can have a distinguished magnetic force.

Abstract: The present invention relates to methods for the preparation of clay/polymer nanocomposites. The methods include combining an organophilic clay and a polymer to form a nanocomposite, wherein the organophilic clay and the polymer each have a peak recrystallization temperature, and wherein the organophilic clay peak recrystallization temperature sufficiently matches the polymer peak recrystallization temperature such that the nanocomposite formed has less permeability to a gas than the polymer. Such nanocomposites exhibit 2, 5, 10, or even 100 fold or greater reductions in permeability to, e.g., oxygen, carbon dioxide, or both compared to the polymer.

Abstract: The present invention involves a method of delaminating a graphite structure. The method comprises diffusing a coating agent in a supercritical fluid between layered particles of a graphite structure defining contacted graphite particles and catastrophically depressurizing the supercritical fluid to form delaminated graphite particles.

Abstract: The method consists in hydrolysing an initial volume Vse of a precursor material comprising at least one polyalkoxysilane with a quantity of water such that x ? ? H 2 ? O x ? ? Si ? 10 , ? and where x H20 and x Si represent the number of moles of H20 and Si present, respectively, the concentration of the hydrolysate up to a volume substantially equal to the initial volume Vsi, leaving the concentrated hydrolysate until segregation into an aqueous phase and an organo-silicon phase, and recovery of the organo-silicon phase. A product can be obtained which comprises an organo-silicon sol comprising silicon species T1, T2, and T3, wherein the molar fraction of species T2 is equal or greater than 50%, comprising a condensation rate equal to or greater than 0.65, and further defined as lacking water, as determined by analyzing a sample of said organo-silicon sol by 1H NMR and observing the absence of peak corresponding to water.

Abstract: A water-dispersible polyurethane resin comprising building blocks derived from polyisocyanates A, polyols B having a number-average molar mass Mn of at least 400 g/mol, where appropriate, low molar mass polyols C with Mn below 400 g/mol, compounds D which possess at least two groups which are reactive toward isocyanate groups and at least one group which is capable of forming anions, low molar mass polyols E which in relation to isocyanate groups carry no further reactive groups, compounds F, which are monofunctional toward isocyanates or contain active hydrogen of different reactivity and are different from the compounds E and also, where appropriate, compounds G, which are different from B, C, D, E and F and contain at least two groups which are reactive with NCO groups, wherein the number-average molar mass Mn of the polyurethane resin is at least 10 kg/mol, its weight-average molar mass Mw is at least 20 kg/mol, and its acid number is from 20 to 50 mg/g; a process for its preparation; and its use as a bin

Abstract: A powdery linear polymer having a narrow particle size distribution with little dusting and excellent in anti-blocking property is recovered from a latex of a linear polymer containing a large proportion (35–75 wt. %) of soft polymer (S) component through a two-step coagulation process including a first (moderate coagulation) step causing 70–98 wt. % of the coagulation. The linear polymer in the latex has a multilayer structure comprising a linear polymer (S) having a glass transition temperature below 40° C. and a linear polymer (H) having a higher glass transition temperature disposed in totally at least two layers and containing 35–75 wt. %, as a whole, of the linear polymer (S) with the proviso that the linear polymer (S) cannot be contained in excess of 30 wt. % in an outermost layer of the multilayer structure.

Abstract: A gel composition that is the combination of or reaction product of ingredients comprising a thermoplastic elastomer copolymer, a functionalized polyolefin, an extender, and optionally a fatty acid.

Abstract: Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Abstract: The disclosure is directed to a partially hydrogenated ring-opened polynorbornene and a process for making the same. The ring-opened polynorbornene is low in birefringence, high in wavelength dependency about birefringence and excellent in transparency and heat resistance.

Abstract: A fiberglass insulation binder composition made from a polycarboxy polymer, a polyhydroxy crosslinking agent, and a cationic surfactant, amphoteric surfactant, nonionic surfactant, or mixture thereof. Also, a process for manufacturing a fiberglass insulation product, which involves a step of applying the binder composition onto a fiberglass substrate and curing the fiberglass substrate so treated. Binders produced in accordance with the present invention are characterized by improved atomization, improved binder dispersion and fiber wetting properties, and improved protection of individual fibers during processing.

Abstract: The present invention relates to a thermoplastic elastomer resin which has good melt viscosity, melt tension, and thermal resistance, wherein it is prepared by introducing a chain extender and a stabilizer for hydrolysis to a thermoplastic elastomer resin produced through melt polymerization in the presence of hydroxy carboxylic acid compound and subjecting the mixture to reactive extrusion to increase the molecular weight and crosslinking degree of the elastomer resin. The thermoplastic elastomer resin according to the present invention has good properties for automobile parts, particularly constant velocity joint boots and bellows.

Abstract: Aqueous primary dispersion, substantially or entirely free of volatile organic compounds, and comprising dispersed and/or emulsified, solid and/or liquid polymer particles and/or dispersed solid core/shell particles with a particle diameter?500 nm, preparable by free-radical micro- or miniemulsion polymerization of at least one olefinically unsaturated monomer in the presence of at least one hydrophobic additive and of at least one oligomeric polyester with a number-average molecular weight of from 150 to 1 500 daltons, a hydroxyl number of from 100 to 1 000 mg KOH/g, and an acid number<20 mg KOH/g and also a process for preparing it and its use as a coating material, adhesive or sealing compound or to prepare a coating material, an adhesive or a sealing compound.

Abstract: The present invention is directed to a method of forming a golf ball that contains an interpenetrating polymer network, or IPN, which includes at least two polymeric systems, in one or more of the layers. The first polymeric system may include a polyurethane-based or polyurea-based system having blocked isocyanate groups and the second polymeric system may include an epoxy-based or acrylic-based system, wherein the two systems are polymerized or cured simultaneously or sequentially to form an IPN.

Abstract: A biocompatible multipolymer, having a backbone comprising about 10 to 45 wt % of at least one hard segment and about 55 to 90 wt % of soft segments. The soft segments are divided into three groups, 5 to 25 wt %, of total soft segment weight, of an oxygen permeable soft segment; 5 to 25 wt %, of total soft segment weight, of a hydrophilic soft segment; and 50 to 90 wt %, of total soft segment weight, of a biostable, relatively hydrophobic soft segment.

Abstract: Multi-layered macromolecules wherein the layers are covalently bonded together and wherein the macromolecules are covalently bonded to solid particulate substrates, methods for the preparation of such compositions, and methods for their uses in a multitude of end use applications ranging from the purification of waste chemical and metal process streams to the separation and identification of proteins, peptides, and oligionucleotides.

Abstract: Disclosed is a process for the removal and recycle of a supported transition metal catalyst complex from a polymerization reaction medium comprising the steps separating the supported transition metal catalyst from the reaction medium and contacting the supported transition metal catalyst with a reducing agent. The reducing agent may be a transition metal and/or a source of radicals. Also disclosed is a process for the recovery of transition metal catalyst from a reaction medium, comprising changing the conditions of a medium comprising transition metal catalyst attached to a solid support, wherein changing the conditions causes desorption of the transition metal catalyst from solid support.

Abstract: Methods for controlling a melt viscosity of a polyolefin, controlling comonomer distribution of a polyolefin, achieving a targeted melt viscosity of a polyolefin, and films made from such polyolefins are provided. The methods include contacting an olefin monomer and at least one comonomer with a catalyst system in the presence of a condensable fluid comprising a saturated hydrocarbon having from 2 to 8 carbon atoms. The catalyst system in one embodiment includes a hafnium metallocene catalyst component.

Abstract: A process for preparing olefin homopolymers or copolymers by polymerization of at least one olefin in a hydrocarbon (mixture) in the presence of a molar mass regulator, a mixed catalyst and a substance which increases the electrical conductivity of the hydrocarbon (mixture) and is soluble in the hydrocarbon or the mixture of hydrocarbons or which reacts with components of the mixed catalyst, wherein the mixed catalyst is obtainable by reaction of a magnesium alkoxide with titanium(IV) halide and comprises titanium in the oxidation states four and three and also an organic aluminum compound, where the molar ratio of Ti(IV) to Ti(III) is from 100:1 to 1:100. The process makes it possible to prepare, in particular, polyethylenes having an ultrahigh molecular weight. The formation of deposits on the walls during the polymerization is significantly reduced.

Abstract: A process is described for obtaining from an “FCC” initial C5 fraction which is enriched with isoprene and purified and usable for the selective polymerization of isoprene. A process is also described for obtaining an isoprene homopolymer from a polymerization medium comprising isoprene and at least one methyl butene, such as said “FCC” C5 fraction which is enriched with isoprene and purified. The process of obtaining the final fraction from the initial C5 fraction includes: a catalytic hydrogenation reaction of said initial C5 fraction by a palladium-based catalyst, which produces an intermediate C5 fraction comprising n-pentenes in a mass ratio which is less than 0.

Abstract: The invention provides a process for the preparation of a propylene polymer in which propylene and a comonomer copolymerizable therewith and of greater molecular weight than propylene are polymerized in a single site catalyst catalized polymerization reaction, characterised in that said polymerization reaction is effected at least in part at a temperature of at least 70° C.

Abstract: UV curable compositions, polymeric photoinitiators and precursors therefor are described.

Abstract: A composition that can be used as a component in auto clear coat and primer is disclosed. The composition comprises or is an alkoxylated amine having the formula of (A)[N(R1H)2]p including an isomer or mixture of isomers thereof. Also disclosed is a process, which comprises contacting an amine with an epoxide under a condition sufficient to produce an alkoxylated amine. Further disclosed is a composition that can be used as coating composition and primer, which comprises an alkoxylated amine and an organic polyisocyanate.

Abstract: The invention relates to ?-halocarboxylic acid esters of polyhydric, at least trihydric, alcohols, which can be used as initiators for ATRP. Using those initiators it is possible to prepare block copolymers having branched structures.

Abstract: Covalently-bound, hydrophilic copolymer coatings for implants are disclosed. The copolymer coatings comprise a hydrophobic aryl acrylic monomer, a hydrophilic monomer selected from the group consisting of hydroxyalkyl (meth)acrylates, n-vinyl pyrrolidone and acrylamides, and a (meth)acrylamide reactive plasticizer.

Abstract: A composition containing a polymer compound and medium being a solvent or a binder resin, wherein the polymer compound comprises monomer units represented by the general formula (1): wherein A is a straight-chain or branched alkylene group of 1 to 15 carbon atoms, which may be substituted; m is an integer of 0 to 30, and; B is a single bond or alkylene, which may be substituted; D is an aromatic ring structure; n is an integer of 1 to 10, and R is a hydrogen atom, an alkyl group, which may be substituted, an aromatic ring structure, or a mono- or poly-valent metal cation.

Abstract: The olefinic polymer characterised in that the n-decane-soluble content thereof is 10% by weight or less and the content of a ligand having a cyclopentadienyl structure is 5 ppb by weight or less. The process for producing an olefinic polymer is a process of producing an olefinic polymer by (co)polymerizing olefins in a gas phase using a fluidized-bed reactor, the process comprising: a polymerization step of (co)polymerizing the olefins with allowing a saturated aliphatic hydrocarbon to exist in a concentration of 2 to 30 mol % in the fluidized-bed reactor and a ligand removing step involving a step of bringing the resulting (co)polymer into contact with a ligand-remover and a step of heating said (co)polymer which has been brought into contact with the ligand-remover.

Abstract: The invention relates to a process for the preparation of polyorganosiloxanes and polyorganosilanes of high purity by an addition reaction of siloxanes and/or silanes which contain at least one H—Si group with compounds having olefinic double bonds in the presence of a platinum catalyst and optionally further additional components, wherein the reaction is carried out in the presence of a platinum(0) complex catalyst which was dissolved in a solvent before addition to the reaction medium and to whose solution an effective amount of at least one unsaturated hydrocarbon having 2 to 6 carbon atoms was added.

Abstract: Disclosed is a copolymer comprising a polyethylene segment which is a main chain; a reactive silicon-containing group which is a side group of the polyethylene segment; and a polycondensation segment bonded to the polyethylene segment, which is a part of the main chain together with the polyethylene segment or a side chain with respect to the polyethylene segment. There are provided a condensation polymer having many reactive silicon-containing groups with respect to one molecule and an organic-inorganic hybrid polymeric material having superior properties such as strength, heat resistance, weather resistance and chemical resistance by using the polymer.

Abstract: A polyorganosiloxane block hydrocarbyl block polymer having utility as a release agent in toner fusing systems. The polymer has one or more polar linkages, with each such linkage bonding a polyorganosiloxane block and a hydrocarbyl block, and also including a polar functionality.

Abstract: A process for producing an aromatic polycarbonate oligomer according to an interfacial polymerization method comprising reacting an aqueous solution of a bisphenol compound and phosgene in the presence of an organic solvent in a reactor, removing reaction heat by cooling, utilizing vaporization latent heat of the organic solvent to be used, cooling vaporized organic solvent through a condenser and returning an exhaust gas from the condenser to the reactor and a process for producing an aromatic polycarbonate resin used the same.

Abstract: Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise reaction products of polyisocyanates and telechelic polymers having isocyanate-reactive end-groups such as hydroxyl groups and/or amine groups. These elastomer compositions can be used in any one or more portions of the golf balls, such as inner center, core, inner core layer, intermediate core layer, outer core layer, intermediate layer, cover, inner cover layer, intermediate cover layer, and/or outer cover layer.

Abstract: The present invention is directed to alkanal derivatives of water-soluble polymers such as poly(ethylene glycol), their corresponding hydrates and acetals, and to methods for preparing and using such polymer alkanals. The polymer alkanals of the invention are prepared in high purity and exhibit storage stability.

Abstract: An ultraviolet absorption composition has been developed for the protection of packaging or container contents in the ultraviolet range of 290 nm to 390 nm, offering effective screening from all wavelengths of solar radiation. A combination of an optical brightener with an ultraviolet absorber has been found to provide effective screening without adding significant color to the polymer composition. This extended range of ultraviolet blocking over what can be achieved with ultraviolet absorbers alone is especially valuable in food and drink packaging applications where the contents of the packages need ultraviolet protection to prevent discoloration or development of undesirable flavors.

Abstract: The present invention relates to a new sulfonated polyimides, more specifically to new methods for preparing the polyimides, and cation exchange membranes containing the polyimides. The sulfonated polyimides of the presented invention have excellent proton conductivity and low preparation cost.

Abstract: A method is provided for polymerizing oxiranes by employing a lithium-containing polymerization initiator in a liquid reaction medium devoid of polymerization additives. Linear and star polymers can be produced by practicing the subject method.

Abstract: A purification process of thermoprocessable tetrafluoroethylene (TFE) copolymers comprising the following steps: A) the polymer latex is transformed into gel form, under mechanical stirring, by addition of an acid electrolyte having pH values?2; B) washing of the polymer gel with aqueous solutions having pH from 1 to 7.

Abstract: Compositions and methods involving agents that specifically bind to methylthioadenosine phosphorylase (MTAP) protein are disclosed. Illustrative compositions comprise binding agents that bind to human MTAP protein in biological samples, including embedded samples. The binding agents are useful, for example, in the detection, prognosis, and/or treatment of MTAP deficient cancers. Also disclosed are kits containing the reagents necessary for the detection of human MTAP protein in an embedded sample.

Abstract: This invention relates to a mutant trichosanthin (MTCS) protein and a process for preparing the same. The product of the present invention is largely reduced of antigenicity compared to native trichosanthin (TCS), while retaining the biological activities of native TCS, e.g., anti-tumor, anti-virus, abortifacient, and ribosome-inactivating protein activities. The MTCS according to the present invention is useful as a therapeutic agent of high potency and low toxicity for the treatment of cancer, AIDS, ectopic pregnancy and for inducing mid-term abortion. Low antigenicity allows safe multiples of MTCS.

Abstract: In this application is described substrates for high-throughput assays of clostridial neurotoxin proteolytic activities. Two types of substrates are described for use in assays for the proteolytic activities of clostridial neurotoxins: (1) modified peptides or proteins that can serve as FRET substrates and (2) modified peptides or proteins that can serve as immobilized substrates. In both types a fluorescent molecules is present in the substrate, eliminating the requirement for the addition of a fluorigenic reagent. The assays described can be readily adapted for use in automated or robotic systems.

Abstract: Disclosed are glycopeptide derivatives substituted at the C-terminus and/or the R-terminus with a substituent that comprises one or more saccharide groups and a carboxy group; and pharmaceutical compositions containing such glycopeptide derivatives. The disclosed glycopeptide derivatives are useful as antibacterial agents.

Abstract: Novel exendin peptide compounds are provided.

Abstract: Disclosed are deglycosylated fragments of a kringle 1-3 region of plasminogen, nucleotides encoding deglycosylated kringle 1-3 region proteins and antibodies specific for deglycosylated kringle 1-3 region proteins. The compositions of the present invention have increased antiangiogenic activity as compared to previously isolated kringle 1-3 region proteins. Also included in the present invention are methods of treating angiogenesis-associated diseases and conditions such as cancer using the compositions described herein.