Abstract: A meltblown web of polymeric polyester fibers, where the polyester polymer includes an aromatic dicarboxylic acid, a butanediol, and at least one additional branched or cycloaliphatic diol compound. The webs of the invention achieve high tensile strength values, and are particularly suitable for use as filter media.

Abstract: This invention in one aspect is a polyoxymethylene compound exhibiting an improved balance of properties and volume resistivity of 100-106 ohm-cm, which comprises polyoxymethylene, polyethylene glycol, metal oxide, high-structure carbon black and a comb polymer. The invention is more particularly directed to a polyoxymethylene compounds and molded articles therefrom in which the compound comprises 30 to 98.7% by weight of a polyoxymethylene homopolymer or copolymer, from 0.1 to 10% by weight of a polyalkylene glycol, from 0.1 to 10% by weight of metal oxide, from 1% to 15% of a high structured particulate carbon black, and from 0.1 to 15% by weight of a comb polymer containing a relatively less polar backbone with relatively more polar side chains.

Abstract: An environmentally preferred flock adhesive composition containing low molecular weight prepolymers of isocyanate terminated polyether and/or polyalkadiene polyols is disclosed. The prepolymers are free of residual volatile isocyanate (<1000 ppm) without blocking the isocyanate thereby providing favorable effects on viscosity, cure kinetics, and safety. The flock adhesive composition preferably contains an aromatic nitroso compound an epoxy novolak resin and a catalyst. The adhesive compositions can be made at high solids, with minimal co-solvent, while maintaining low viscosity, which is favorable to environmental regulations aimed at reducing solvent emissions. Furthermore, the solvents can be non-HAP and non-photochemically reactive. The adhesive composition can be utilized for the application of flocking fibers to various elastomer substrates.

Abstract: The disclosure is directed to a treatment composition comprising a halogen bearing compound, a volatile siloxane fluid and at least one solvent. In another aspect, there is disclosed a method for treatment of molded rubber articles by applying a treatment composition to a rubber article to form a treated surface, followed by applying an adhesive or a coating to at least a portion of the treated surface.

Abstract: A two-part metal protection composition includes: an aqueous metal treatment conversion coating component that includes an admixture of an acid and a coating forming component; and an aqueous protective coating component that is applied over metal treated with the aqueous metal treatment conversion coating component and includes an admixture of a blister suppressing agent and an organic film forming protective component. The aqueous metal treatment conversion coating component may contain an accelerator, such as hydroxylamine. In a preferred embodiment, the blister suppressing agent is an organic oxidizing agent that includes one or more of nitroguanidine; aromatic nitrosulfonates, Naphthol Yellow S; and picric acid (trinitrophenol).

Abstract: The invention is directed thermal interfaced die assemblies and 1-component, 96-100% solids, thermosetting, silver-filled thermal interface based on epoxy resins useful for integrated circuit packages enabling conducting heat generated by the die. The adhesive is placed between the die and lid, lid and heat sink and/or die and the heat sink. The interface adhesive composition comprises an inorganic component and an organic component. The inorganic component comprising thermally conductive filler is present at from 70% 85% by weight, and organic component comprises from 60 to 70 wt. % of a diglycidal ether of a bis-phenol compound, 4 to 30 wt. % of an acyclic aliphatic or cycloaliphatic or mononuclear aromatic diglycidal ether, 3 to 30% of a monofunctional epoxy compound, and 20-30% of a polyamine anhydride adduct.

Abstract: Magnetorheological devices, including damping devices, rotary devices, and haptic systems constructed with said devices are disclosed. The devices contain dry magnetically-responsive particles, or MR fluids containing the magnetically responsive particles. The magnetically soft particles characterized by a single process yield population of atomized particles having a cumulative 10%, 50% and 90% by volume, fraction within specified size, i.e., D10 of from 2 up to and including a D10 of 5 ?m, a D50 8 ?m up to and including a D50 of 15 ?m, a D90 of 25 ?m up to and including a D90 of 40 ?m, and characterized by a least squares regression of log normal particles size against cumulative volume % fraction of greater than or equal to 0.77.

Abstract: What is disclosed are adhesives and bonding methods employing a single coat of a solvent-based adhesive that effectively bonds thermoplastic polymers and especially thermoplastic elastomers. The adhesive components are a organosilane component selected from organosilane-isocyanate adduct and isocyanato-organosilane, a post-chlorinated polymer containing propylene repeating units or derivative thereof, and solvent. Also disclosed are methods for joining a rigid, structural substrate to a molten polymer such as a TPE via injection molding or extrusion. Durable adhesion between the adhesive treated portion of the rigid substrate and the melt-processed polymer is achieved with or without a previous heat treatment on the adhesive-coated substrate prior to joining to the thermoplastic melt.

Abstract: An adhesive or coating composition prepared by mixing together at least one metathesizable highly-reactive cycloolefin (e.g., a norbornadiene) and a metathesis catalyst. The use of highly-reactive cycloolefins can provide exceptional adherence to a low-surface-tension substrate. Another embodiment is a two-part adhesive or coating system wherein the first part includes at least one first metathesizable material, and the second part includes at least one liquid metathesis oligomer or polymer and a metathesis catalyst.

Abstract: The invention provides curable organic coatings with improved scratch resistance. More particularly, the present invention relates to a combination of inorganic filler having a 50th percentile particle diameter of from about 3 to about 9 micrometers comprised of aluminum oxide, silicon dioxide, ceramic spheres or mixtures thereof, and particles having a 50th percentile particle diameter of from about 10 to about 150 micrometers. The liquid coatings have a viscosity before curing of from about 100 cps (mPa-s) to about 70,000 cps (mPa-s) at a shear rate of 0.15 s?1. The use of inorganic filler materials of the defined type and particle size are combined with the curable organic coating to improve the scratch resistance of the coating without a negative impact on the physical and performance properties or application parameters of the original coating material.

Abstract: The present invention provides an ambient temperature curable coating and coated articles therefrom in a rubbery, high elongation, weatherable coating composition which can be applied to flexible elastomeric substrates for a variety of purposes. Depending on the film forming polymer used in the composition, it may be used to provide resistance to ozone, oils and solvents, or the coating may be applied for the purposes of enhancing the cosmetic appearance of the substrate rubber. The curable coating mixture is a mixture of two parts, one part containing a solution of a functional film forming polymer, and the other part providing the curing component. The stability as a premixed, one-part solution is limited to up to several months. The curable film former and curing component are mixed together at an overall 4% to 25% solids content. The viscosity is less than 20,000 cps (Brookfield) such that the coating can be sprayed, brushed or dipped to form thin coatings of from 0.001-0.020 mils.

Abstract: The invention provides organic coatings with improved scratch resistance. More particularly, the present invention relates to the use of inorganic filler materials of a defined type and particle size which can be added to curable organic coatings to improve the scratch resistance of the coating without a negative impact on the physical and performance properties or application parameters of the original coating material.

Abstract: Disclosed are internally blocked borates useful for polymerizable compositions, and polymerizable adhesives made therewith. The internally blocked borates have general structures: wherein X represents —CHR6—, oxygen or sulfur; n is an integer; R1, R2, R3, R4, R5, and R6 are independently selected, for example, from unsubstituted and substituted C1-C10 alkyl, alkylene groups, or aryl groups, including other embodiments further defined, and M is a counter ion with positive charge m.

Abstract: Adhesive compositions effective for bonding runner to metal and containing no more than about 1000 ppm of lead especially adapted to bond vulcanized elastomers to rigid substrates, like metal are disclosed. The adhesives are useful in combination with primer coats, and as one-coat adhesives and provide durable, rubber tearing primary adhesive bonds after exposure to harsh conditions. The adhesives exhibit excellent bond versatility, sweep resistance, and in-can storage stability. In one embodiment, the adhesive compositions of the present invention consist essentially of less than 1000 ppm of lead, at least one diluent as water or organic solvent, a halogen-containing film former, optionally a nitroso compound, brominated dichlorobutadiene, and/or adhesion promoter, and an acid scavenger comprising zinc phosphate.

Abstract: The coating composition of the invention cures at room temperature, and forms a coating which is resistant to flex-fatigue. environmental temperature variability and provides for excellent adhesion to flexible elastomeric substrates. The coating in two parts comprises (A) a graft-modified fluoroelastomer and (B) a curing component containing at least one group reactive with an active hydrogen bearing group, such as an isocyanate group and another group which forms crosslinks, and (C) a solvent. The coating is prepared by mixing and milling the fluoroelasomer which has been graft-functionalized with an active hydrogen bearing group groups. The first part is admixed with the second part prior to applying the coating. Gelation of the coating takes place at room temperature over several hours with complete cure taking place within about 24 hours.

Abstract: An adhesive or coating composition prepared by mixing together at least one metathesizable highly-reactive cycloolefin (e.g., a norbornadiene) and a metathesis catalyst. The use of highly-reactive cycloolefins can provide exceptional adherence to a low-surface-tension substrate. Another embodiment is a two-part adhesive or coating system wherein the first part includes at least one first metathesizable material, and the second part includes at least one liquid metathesis oligomer or polymer and a metathesis catalyst.

Abstract: Emissive coatings for flexible substrates, preferably elastomers or elastomers bonded to metal are disclosed The coating composition is formed by combining parts (a) and (b) where part (a) comprises an organic solution or aqueous dispersion of a functional group containing polymer or copolymer and thermal conductive filler; and part (b) comprises a liquid curing component, for example a poly isocyanate, a carbodiimide, or an amino resin. The coating compounds can be applied to an substrate either before or after the substrate has been vulcanized. The coatings can be cured at ambient temperatures and provide heat dissipation over long term service at elevated temperatures.

Abstract: Disclosed is a thermally conductive silicone gel is produced by reacting a stoichiometric excess of a multifunctional vinyl-substituted silicone with a multifunctional hydride-substituted silicone. The thermal conductive components comprise at least three conductive solid fillers, aluminum oxide, zinc oxide and boron nitride. The invention is adaptable to spin casting for encapsulating electronic circuitry, among other uses.

Abstract: What is disclosed is a 2-part epoxy adhesive composition comprises an epoxy compound, an optional amine hardener, optional hydroxy-substituted aromatic compound, and from 20% to 60% of the total weight of adhesive combined of liquid terminal epoxy reactive groups and amidoamine, whereby the adhesive is applied as a mixture of first and second parts in a volume ratio of the first epoxy part: second cure part of 1:1.4 to 1:3.0. The adhesive is adapted to provide bonding of SMC with low or no read-through, initial and aged fiber tearing bonds and specified bond strength minimum at 400° F. (204° C.).

Abstract: An aqueous composition that includes (A) a butadiene polymer latex that is prepared by an emulsion polymerization in the presence of a styrene sulfonate stabilizer and (B) a phenolic resin. A preferred aqueous butadiene polymer latex is one that is prepared by emulsion polymerization of at least 60 weight percent dichlorobutadiene monomer (based on the amount of total monomers used to form the butadiene polymer), in the presence of a styrene sulfonate stabilizer.