Abstract: A process of manufacture of polytrimethylene ether glycol comprising: (a) polycondensing reactant comprising diol selected from the group consisting of 1,3-propanediol, 1,3-propanediol dimer and 1,3-propanediol trimer or mixtures thereof in the presence of acid polycondensation catalyst to form polytrimethylene ether glycol; (b) adding water to the polytrimethylene ether glycol and hydrolyzing the acid esters formed during the polycondensation to form a hydrolyzed mixture containing the polytrimethylene ether glycol and the hydrolyzed acid esters; (c) adding organic solvent that is miscible with water to the hydrolyzed mixture to form an aqueous-organic mixture comprising (i) organic phase containing polytrimethylene ether glycol and residual acid polycondensation catalyst from the polycondensing and (ii) water phase; (d) separating the water phase and the organic phase; (e) adding base to the separated organic phase to neutralize the residual acid polycondensation catalyst by forming salts of the residual ac

Abstract: A process of manufacture of polytrimethylene ether glycol comprising: (a) polycondensing reactant comprising diol selected from the group consisting of 1,3-propanediol, 1,3-propanediol dimer and 1,3-propanediol trimer or mixtures thereof in the presence of acid polycondensation catalyst to form polytrimethylene ether glycol; (b) adding water to the polytrimethylene ether glycol to form an aqueous mixture; (c) heating the aqueous mixture to hydrolyze acid esters formed during the acid catalyzed polycondensation; (d) adding to the hydrolyzed aqueous mixture organic solvent that is miscible with polytrimethylene ether glycol to form (i) organic phase containing the polytrimethylene ether glycol and residual acid polycondensation catalyst from the polycondensing and (ii) aqueous phase; (e) separating the aqueous phase and the organic phase; (f) adding base to the separated organic phase to neutralize the residual acid polycondensation catalyst by forming salts of the residual acid polycondensation catalyst; (g

Abstract: A method of preparing an electrically conductive polymer blend, and an electrically conductive polymer blend includes steps of selecting at least two polymeric materials that are substantially immiscible together, mixing the polymeric materials into a blend so that at least one of the polymeric materials forms a continuous three-dimensional phase through the entire blend, and mixing an electrically conductive filler into the blend. The difference in surface tension between the polymeric material forming the continuous three-dimensional phase and the other polymeric materials forming the blend is at least 2 mN/m.

Abstract: Provided is a curable organopolysiloxane composition which includes (A) an organopolysiloxane containing at least 2 alkenyl groups bonded to silicon atoms within each molecule, (B) an organohydrogenpolysiloxane containing at least 2 hydrogen atoms bonded to silicon atoms within each molecule, (C) gallium and/or an alloy thereof, with a melting point within a range from 0 to 70° C., optionally (D) a heat conductive filler with an average particle size within a range from 0.1 to 100 ?m, (E) a platinum based catalyst, and (F) an addition reaction control agent. The composition is useful as a material capable of forming a layer with excellent thermal conductivity that is sandwiched between a heat generating electronic component and a heat radiating member.

Abstract: The present invention relates to thermally conductive, elastomeric pads. The pads can be made by injection-molding a thermally conductive composition comprising about 30 to 60% by volume of an elastomer polymer matrix and about 25 to 60% by volume of a thermally conductive filler material. The resultant pads have heat transfer properties and can be used as a thermal interface to protect heat-generating electronic devices.

Abstract: A stabilizer mixture containing A) either (A1) at least one compound of the formula in which R1 is for example hydrogen or C1–C8alkyl; R2, R3, R5 and R6 are for example hydrogen, C1–C30alkyl or phenyl; R4 is for example C1–C30alkyl or 2,2,6,6-tetramethyl-4-piperidyl; and n1 is a number from 1 to 50; or (A2) at least one compound of the formulae wherein n2 and n2* are a number from 2 to 50; B) magnesium oxide, magnesium hydroxide, zinc oxide, zinc hydroxide or an organic salt of zinc or magnesium; and C) either (C1) an UV absorber or (C2) a pigment or (C3) an UV absorber and a pigment; with the proviso that, when component A) is at least one compound of the formulae (IIIa) and (IIIb), component B) is magnesium oxide, magnesium hydroxide or an organic salt of zinc or magnesium. Such a stabilizer mixture is particularly useful for stabilizing a polyolefin against light-induced degradation.

Abstract: The present invention provides pigmented inks comprising self-dispersing pigment and an amino-containing compound. The addition of an amino-containing compound to the self-dispersing pigment can improve the reliability and performance of the ink in an inkjet printhead. The present invention also provides methods for making a surface modified pigment comprising associating a self-dispersing pigment with an amino-containing compound having no more than one primary amino group or one secondary amino group.

Abstract: A device containing a support member, a cross-linked polymer, and a pH buffer agent. A surface of the support member is coated with the cross-linked polymer in which the pH buffer agent is embedded.

Abstract: An electrically conductive resin composition comprising a polyamide, a polyphenylene ether, an impact modifier and an electrically conductive filler, not less than 50 wt. % of all of the filler used being preliminarily compounded with a mixture containing the impact modifier and the polyphenylene ether, wherein electrical conductivity having a level in which electrostatic coating is possible, a low coefficient of linear expansion and high surface appearance have been accomplished at the same time, and wherein generation of fines caused by pelletizing on extruding has been suppressed.

Abstract: A curable film-forming composition is provided that on curing produces a coating, comprising in a medium (i) 10 to 90 percent by weight based on the total weight of resin solids in the film-forming composition of a crosslinking agent; (ii) 10 to 90 percent by weight based on the total weight of resin solids in the film-forming composition of a polymer containing a plurality of functional groups reactive with the crosslinking agent; and (iii) 20 to 85 percent by volume based on the total volume of the film-forming composition of particles having a mean particle size less than 100 nm. The particles further have an index of refraction sufficiently similar to that of the polymer of (ii) to minimize haze, and have an affinity for the medium sufficient to keep the particles suspended therein. The affinity of the particles for the medium is greater than the affinity of the particles for each other, thereby preventing agglomeration of the particles within the medium.

Abstract: An electrically conductive resin composition comprising a polyamide, a polyphenylene ether, an impact modifier and an electrically conductive filler, wherein more than 0 and less than 50 wt. % of all of the filler used is preliminarily compounded with a mixture containing the impact modifier and the polyphenylene ether. The resin composition has an excellent balance of electrical conductivity and Dart impact strength at low temperatures, and excellent stiffness at high temperatures, thermal resistance, fluidity, and surface appearance.

Abstract: An ionomeric nanocomposite that includes a base component of a propylene-based polyolefin-metal salt component and a nanostructured material. Optionally, the blend further contains a polymeric component including an ethylene ionomer, a styrenic block ionomer, a hydrogenated styrene-butadiene random copolymer, or a combination thereof. Such ionomeric nanocomposites have increased scratch and mar resistance while still retaining clarity and thermal stability. Methods of preparing such blends, as well as resultant articles including such blends, are also part of the invention.

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 relates to a composition containing modified block copolymer dispersants and dispersible inorganic or organic pigments. The block copolymers are modified with a salt forming group. The pigment composition is useful for preparing coating compositions, prints, images, inks or lacquers and other disperse systems.

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: A curable resin composition comprises a poly(arylene ether), an acryloyl monomer, an allylic monomer, and an abrasive filler. The composition tolerates high filler contents, cures rapidly, and exhibits excellent toughness after curing. Useful articles prepared from the composition include grinding wheels and cut-off wheels having good wear characteristics.

Abstract: A curable film-forming composition is provided comprising in a medium (i) 10 to 90 percent by weight based on the total weight of solids in the film-forming composition of a crosslinking agent; (ii) 10 to 90 percent by weight based on the total weight of solids in the film-forming composition of a polymer containing a plurality of functional groups reactive with the crosslinking agent; and (iii) at least 20 percent by volume based on the total volume of the film-forming composition of particles having a mean particle size less than 100 nm. A cured composition comprising the crosslinking agent of (i) and the polymer of (ii) has a cured softening point of less than 30° C. The particles of component (iii) further have a hardness value greater than 5 on the Moh hardness scale, and have an affinity for the medium sufficient to keep the particles suspended therein.

Abstract: The invention is directed to a new formulation for making a carboxylated polyacrylonitrile butadiene (usually referred to as nitrile in the glove industry) glove. The new formulation contains no accelerators commonly used in sulfur vulcanization. A sulfur free (including organic sulfur donors) crosslinking system is utilized. The invention provides formulations to make compounds and methods to make such gloves. The new formulations and procedures could be easily realized economically under common glove production lines. Depending on the desired applications, both powdered and powder free gloves are produced in the same formula.

Abstract: One aspect of the present invention provides an aqueous surface finish composition comprising a film-forming, reversibly crosslinked, emulsion-based polymer composition, and a surface modified inorganic particle material. The surface modified inorganic particle material is dispersed within the emulsion-based polymer composition, and enhances performance characteristics of a resultant film including hardness, modulus, as well as scratch and soil resistance. The floor finish composition is shelf stable and is particularly well suited for application to floor surfaces, but also to other substrate surfaces such as walls and bathroom surfaces.

Abstract: A conductive polymer gel composition including a copolymer with alkenyl monomer units and maleimide monomer units, a crosslinking agent, and an electrolyte solution. The conductive polymer has a current resistance less than or equal to 10−4 ohms and can be used to provide electrolyte cells.

Abstract: A water-based autodepositing coating composition that contains dissolved and/or dispersed anionic polyester resin comprising the condensate of (a) a polyhydric alcohol component and (b) an acid component in addition to acid, and metal ions and/or other oxidizing agents provides a coating composition that can impart an excellent corrosion resistance, adherence, and heat resistance to metal surfaces when applied to the metal surfaces and dried into place thereon, preferably with the use of heat. A rinse is usually preferably interposed between the application of the autodepositing composition and the drying operation.

Abstract: A curable resin composition comprises a poly(arylene ether), an acryloyl monomer, an allylic monomer, and an abrasive filler. The composition tolerates high filler contents, cures rapidly, and exhibits excellent toughness after curing. Useful articles prepared from the composition include grinding wheels and cut-off wheels having good wear characteristics.

Abstract: A molded or formed product obtained by molding or forming a resin composition comprising (A) at least one vinyl cyclic hydrocarbon polymer selected from the group consisting of hydrogenated products of aromatic vinyl polymers, vinylcyclohexene polymers or hydrogenated products thereof, and vinylcyclohexane polymers, and (B) at least one substance selected from the group consisting of compounding additives incompatible with the polymer, organic compounds having at least one alcoholic hydroxyl group and at least one ether linkage, and organic compounds having at least one alcoholic hydroxyl group and at least one ester linkage, wherein the initial light transmittance (a) of the molded or formed product at an optional wavelength within a range of 400 to 800 nm and the light transmittance (b) of the molded or formed product after the molded or formed product is held for 1,000 hours in an atmosphere of 65° C.

Abstract: Thermosetting and thermoplastic elastomers are provided having magnetic filler packed within the elastomeric matrix and capable of being aligned and energized, before, during or after the molding of the elastomer. The magnetically-filled elastomers therefore provide useful permanent magnetic fields which being physically soft. The magnetic filler is aligned within the elastomeric matrix and energized by subjecting the magnetically-filled elastomer to magnetic energy before, during and/or after molding of the magnetically-filled elastomer. A particularly preferred magnetically-filled elastomer is a magnetically-filled polyurethane elastomer composition wherein the elastomer is the reaction product of a urethane-forming compound having at least two urethane-forming reactive sites, an elasticizing diol or triol, and a diisocyanate reacted in less than stoiciometric amounts to allow for the formation of urethane linkages involving less than about 85% of the urethane-forming reactive sites.

Abstract: A non-stick polymer coated aluminum foil and method of making it. The polymer coating composition comprises a silicone resin, a silicone release agent, a silicone curing agent, a hindered phenol antioxidant and a solvent. The method of making the non-stick polymer coated aluminum foil includes applying the polymer coating composition on at least a portion of one side of the aluminum foil and partially curing the coating composition to allow handling and future processing of the coated aluminum foil without blocking of the coating composition. The curing of the coating composition is completed by heating the coated aluminum foil in bulk.

Abstract: Nanostructured non-equilibrium, non-stoichiometric materials and device made using the nanonostructured non-equilibrium non-stoichiometric materials are provided. Applications and methods of implementing such devices and applications are also provided. More specifically, the specifications teach the use of nanostructured non-equilibrium, non-stoichiometric materials in polymer and plastic filler applications, electrical devices, magnetic products, fuels, biomedical applications, markers, drug delivery, optical components, thermal devices, catalysts, combinatorial discovery of materials, and various manufacturing processes.

Abstract: A molded or formed product obtained by molding or forming a resin composition comprising (A) at least one vinyl cyclic hydrocarbon polymer selected from the group consisting of hydrogenated products of aromatic vinyl polymers, vinylcyclohexene polymers or hydrogenated products thereof, and vinylcyclohexane polymers, and (B) at least one substance selected from the group consisting of compounding additives incompatible with the polymer, organic compounds having at least one alcoholic hydroxyl group and at least one ether linkage, and organic compounds having at least one alcoholic hydroxyl group and at least one ester linkage, wherein the initial light transmittance (a) of the molded or formed product at an optional wavelength within a range of 400 to 800 nm and the light transmittance (b) of the molded or formed product after the molded or formed product is held for 1,000 hours in an atmosphere of 65° C.

Abstract: The present invention provides compositions that are intimate mixtures of hydrogen fluoride and a polymer. The compositions of the invention are less hazardous and, therefore, more conveniently stored, transported, and handled in comparison to pure hydrogen fluoride. Further, the hydrogen fluoride may be readily recovered from the compositions of the invention for use.

Abstract: A polyamide resin composition comprising (A) a reinforced polyamide resin which comprises 100 parts by weight of a nylon 6 homopolymer or copolymer and 1 to 20 parts by weight of a layered silicate uniformly dispersed in the polymer on the molecular level and (B) a non-reinforced polyamide resin, a test specimen of said composition having a tensile weld strength of 45 MPa or higher and a flexural modulus of 4 GPa or higher.

Abstract: A water repellent for automobile window glass includes dimethyl polyorganosiloxane, an inorganic acid, a water-type solvent, and at least one member selected from the group consisting of alkyl group-containing polyorganosiloxanes each having a specific structure, fluorine resins each having a specific structure, and paraffin waxes.

Abstract: The present invention relates to a resin composition having a high dielectric constant and a low dielectric loss tangent under high frequency conditions and articles obtained therefrom. The resin composition comprises 100 parts by weight of thermoplastic resin and 50-900 parts by weight of ferroelectric material. The formed articles can be used as substrates for a miniaturized antenna or circuit.

Abstract: Disclosed are cyanoacrylate compositions comprising a compatible antimicrobial agent and, in particular, a compatible iodine containing antimicrobial agent. These compositions provide for in situ formation of an antimicrobial polymeric cyanoacrylate film on mammalian skin.

Abstract: An apparatus and process for hydrogen peroxide vapor sterilization of medical instruments and similar devices make use of hydrogen peroxide vapor released from a substantially non-aqueous organic hydrogen peroxide complex, such as a urea-peroxide complex. Optionally, a plasma can be used in conjunction with the vapor. A method for preparing substantially non-aqueous hydrogen peroxide complexes is also provided. These complexes are useful as a source of peroxide vapor in hydrogen peroxide vapor sterilizers and as a component of self-sterilizing packaging materials.

Abstract: A vibration damping composition is provided which is made from a combination of a resin capable of being molded into a desired shape, an aggregate capable of reducing the amount of resin needed in a given volume, a structural fiber capable of increasing the strength of the composition and increasing the acoustical characteristics of the composition, and a filler material which reduces the amount of resin needed in a given volume. The resin binds the aggregate, the structural fiber and the filler material into a moldable material that, upon hardening, serves to damp vibrations.

Abstract: A high degree of stabilization of flexible PVC is achieved by using a perchlorate and a terminal epoxide compound.

Abstract: A flame-retardant thermoplastic resin composition is disclosed, comprising (A) a thermoplastic resin, (B) a halogenated bisphenol type epoxy resin flame-retardant, and (C) an organic phosphite compound. The composition exhibits improved thermal stability to provide molded articles having improved mechanical strength and appearance.

Abstract: A polyamide composition which comprises a thermoplastic polyamide red phosphorus and an olefin copolymer. The olefin copolymer is ungrafted and is a copolymer with units from ethylene and an unsaturated ester of a saturated C.sub.1 to C.sub.4 carboxylic acid.The composition can also include a magnesium compound such as magnesium hydroxide or carbonate, and also reinforcing fibers or fillers such as glass fibers.

Abstract: A combination of free radical retarding agent and an active iodine species selected from the group consisting of molecular iodine, iodide ion, and mixtures thereof provides synergistic stabilization of thiol-ene compositions which cure by addition of thiol groups to olefinic carbon-carbon double bonds. The combination is particularly suitable for thiol-ene formulations employing norbornenyl functional polyenes. A preferred stabilization system employs an N-nitrosoarylhydroxylamine salt and a mixture of an alkali iodide and I.sub.2 in the range of 0.6-1 mole I.sub.2 per equivalent I.sup..crclbar..

Abstract: Urea-hydrogen peroxide-polyvinylpyrrolidone (PVP) in the form of a free-flowing powder is stable against decomposition in water and alcohol solvents. The product is obtained by spraying an aqueous solution of urea-hydrogen peroxide onto a fluidized bed of PVP and drying; it contains about 5%-20% by weight H.sub.2 O.sub.2 and less than about 5% water. The urea-hydrogen peroxide solution is applied onto the fluidized PVP bed at a predetermined rate, suitably about 0.5-30 g of solution/minute/kg PVP in the bed, and, preferably, about 1-3 g/min/kg PVP.

Abstract: Urea-hydrogen peroxide-polyvinylpyrrolidone (PVP) in the form of a free-flowing powder is stable against decomposition in water and alcohol solvents. The product is obtained by spraying an aqueous solution of urea-hydrogen peroxide onto a fluidized bed of PVP and drying; it contains about 5%-20% by weight H.sub.2 O.sub.2 and less than about 5% water. The urea-hydrogen peroxide solution is applied onto the fluidized PVP bed at a predetermined rate, suitably about 0.5-30 g of solution/minute/kg PVP in the bed, and, preferably, about 1-3 g/min/kg PVP.

Abstract: A ceramic composition which can be extrusion or injection molded to ceramic greenbodies comprises a sinterable powder mixed within a polyacetal binder and further includes a dispersing aid comprising a polyester oligomer formed by self condensation of a hydroxy fatty acid in which the hydroxy group is attached to an internal carbon atom of the fatty acid. The dispersing aid also acts as a stabilizer for the polyacetal binder during compounding with the powder.

Abstract: A composition for absorbing electromagnetic radiation (such as microwave, infrared, visible light radiation ultraviolet radiation), wherein said electromagnetic radiation possesses a wavelength generally in the range of from about 1000 Angstroms to about 50 meters, wherein said composition comprises a polyaniline composition of the formula ##STR1## where y can be equal to or greater than zero and R' and R.sub.2 are independently selected from the group consisting of --H, --OCH.sub.3, --CH.sub.3, --F, --Cl, --Br, --I, --NR.sup.3.sub.2, --NHCOR.sub.3, --OH, --O, --SR.sup.3, --OR.sup.3, --OCOR.sup.3, --NO.sub.2, --COOH, --COOR.sup.3, --COR.sup.3, --CHO, and --CN, where R.sup.3 is a C.sub.1 to C.sub.a alkyl, aryl or aralkyl group.

Abstract: A novel composite board of mineral wool, perlite, and cellulosic newsprint fibers for use primarily as a ceiling tile is disclosed. The board displays virtually no sag (less than 200 mils) when exposed to high temperature and high humidity while displaying quite acceptable strength. The board is manufactured by selective deposition of a composition of latex and extender particles on the cellulosic newsprint fibers.

Abstract: Sulfonic acid-substituted polyaniline compositions and their derivatives are produced by reacting a polyaniline polymer with SO.sub.3 gas. The sulfonated polyaniline compositions have faster electronic and optical responses to electrochemical potentials and improved environmental stability solubility than the parent polyaniline polymer.

Abstract: The present invention relates to a tetraketone of the structure ##STR1##wherein M is a metal atom and R is selected from phenyl, alkyl substituted phenyl or halogen substituted phenyl. The process to prepare this tetraketone is disclosed. The present invention also relates to a process to produce the tetraketone structure(I). The present invention also relates to the novel polymer of the structure: ##STR2##and to the process to produce this novel polymer. R is as defined hereinabove, and Ar is a tetraamine substituted organic moiety having at least one aromatic ring. These polymers are useful as liquid crystals and in non-linear optical devices.

Abstract: A polarizing film comprising a uniaxially stretched film containing a polyvinyl alcohol having a degree of polymerization of at least about 2,500, and at least one polarizing agent selected from iodine and a dichroic dye, as well as a process for the production of the same. This polarizing film is superior in heat resistance and moist heat resistance to conventional films and has excellent optical properties, such as a high polarizing coefficient and transmittance.

Abstract: What is provided herein are substantially anhydrous complexes of PVP and H.sub.2 O.sub.2 in molar ratios of between about 2:1 and 1:1, respectively, which corresponds to between about 13% and about 23% by weight H.sub.2 O.sub.2. The complexes of the invention are prepared by an anhydrous process whereby substantially uniform, free-flowing, fine white powders are obtained.

Abstract: The invention relates to a two phase cement mixture which is particularly suitable for orthopaedic use, in which the solid phase comprises a polymer, polymetyl methacrylate, and a catalyst, benzoyl peroxide, while the liquid phase comprises a monomer, monomethyl methacrylate, an accelerator, N-N-dimethyl-p-toluidine and hydroquinone. The said polymetyl methacrylate is in powder form with particles of a spherical shape which are of a suitable particle size. Fluoride in form of salt can be added to the said solid phase, realizing fluoride ions, making them available to the part of the bone with which the said mixture is in contact when is used to attach a prothesis to a bone.

Abstract: Processable electrically conductive latex polymer compositions including colloidal particles of an oxidized, polymerized amino-substituted aromatic monomer, a stabilizing effective amount of a random copolymer containing amino-benzene type moieties as side chain constituents, and dopant anions, and a method of preparing such polymer compositions are provided.

Abstract: Processable electrically conductive latex polymer compositions including colloidal particles of an oxidized, polymerized aromatic heterocyclic monomer, a stabilizing effective amount of a vinyl pyridine-containing polymer and dopant anions and a method of preparing such polymer compositions are disclosed.