Abstract: Disclosed herein are methods and compositions of blended polycarbonate resins with improved hydrolytic stability. The resulting compositions, comprising a hydrotalcite and inorganic buffer, can be used in the manufacture of articles while still retaining the advantageous physical properties of blended polycarbonate compositions with improved hydrolytic stability. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: It is an object of the present invention to provide a tire rubber composition and a pneumatic tire produced using the rubber composition, which improve mechanical strength, abrasion resistance, rolling resistance, wet grip performance, and dry grip performance in good balance. The present invention relates to a tire rubber composition comprising: a rubber component that contains a modified diene rubber; and a silica component that contains a silica surface-treated with a silane coupling agent, wherein the amount of the modified diene rubber in 100% by mass of the rubber component is 15% by mass or more, and the dispersion ratio of the silica component is 70% or higher.

Abstract: A fire-extinguishing aerosol composition for common electric apparatuses is disclosed, which includes oxidant, combustible, adhesive and additive. The composition of the present invention is characterized in that the oxidant is the mixture of the potassium salt and the strontium salt, in which the content of the potassium salt oxidant is more than or equal to 15 mass % to less than 20 mass % of the total mass of the composition, and the content of the strontium salt oxidant is more than 48 mass % to less than or equal to 52 mass % of the total mass of the composition. In the fire-extinguishing aerosol composition of the present invention, the mean particle diameter of all components is less than or equal to 50 ?m. After quenching the fire in a space with the heavy current electric apparatus, the fire-extinguishing aerosol composition of the present invention can ensure that the insulation resistance of the common electric apparatus is ranged from 20M? to 100M?.

Abstract: A conductor layer is formed on one surface of a base insulating layer. The conductor layer is composed of a pair of rectangular collector portions and drawn-out conductor portions extending in long-sized shapes from the collector portions, respectively. Cover layers are formed on the base insulating layer to cover respective given portions of the conductor layer. A paste composition containing a compound represented by the formula (1) is used as a material for the cover layer.

Abstract: In various embodiments a urethane/molecular rebar formulation comprising a specific composition is disclosed. The composition comprises a urethane polymer or prepolymer/discrete carbon nanotube formulation. Utility of the urethane/molecular rebar composition includes improved foams and adhesives.

Abstract: The present invention relates to a preparation method of polyurethaneurea elastic fiber, particularly a preparation method of high heat-resistant elastic fiber which retains unique physical properties of elastic fiber under the high temperature process. The polyurethaneurea elastic fiber of the present invention is characteristically prepared without using 1 functional mono-alcohol generally used to regulate the reaction speed and side-reaction during the prepolymer reaction to produce elastic fiber having excellent heat-resistance particularly for the dyeing processing or re-dyeing of polyester but using ethylenediamine alone as a chain extender for the polymerization. To reduce gel formation in polymer after the secondary polymerization and to regulate change of viscosity in the course of process, the ratio of the chain extender amine to the terminal group of prepolymer of the first polymerization is increased.

Abstract: A resin composition includes (A) 100 parts by weight of poly(phenylene oxide) resin with styrene end group; (B) 5 to 75 parts by weight of olefin copolymer; and (C) 1 to 150 parts by weight of cyanate resin with poly(phenylene oxide) functional group. The resin composition is characterized by specific composition and proportion conducive to achieving a low dielectric constant, a low dielectric loss, and a high thermal tolerance and preparing a prepreg or a resin film, thereby being applicable to copper-clad laminates and printed circuit boards.

Abstract: Use of thermoplastic molding compositions comprising, as essential components, A) from 29 to 99.95% by weight of a polyester, B) from 0.25 to 3.0% by weight of alkali metal oxoaluminates, or alkali metal salts of cyanic acid, isocyanic acid, thiocyanic acid, or metaboric acid, or a mixture of these, based on 100% by weight of A) and B), and also moreover C) from 0 to 70% by weight of further additives, where the total of the % by weight values for A) to C) is 100%, for producing laser-transparent moldings of any type.

Abstract: The invention presented concerns a process for the manufacture of coated, nano-scale, hydrotalcites, where the individual, primary, nano-scale hydrotalcite particles are coated. In order to obtain the corresponding hydrotalcite particles in coated, nano-scale form, the additive precipitation reaction is employed invention-related. Every primary particle indicates its own coating in this case. In a further aspect, the registration is directed toward coated primary, nano-scale, hydrotalcite particles, in particular obtainable in accordance with the invention-related process. A further aspect of the invention is directed toward composites containing nano-scale hydrotalcites, in particular hydrotalcites manufactured in accordance with the invention presented. Finally the registration presented is directed towards compositions containing mixtures of magnesium hydroxide and hydrotalcite.

Abstract: The present invention provides an elastomeric composition for making elastomeric articles having at least one layer, such as but not limited to condoms, which have a deformation stress or modulus below about 1.5 MPa at 500% extension, comprising at least one polymeric material, at least one plasticizer and optionally at least one coating. The elastomeric articles also have unique tactile and tensile properties, such as conformability and low radius of curvature.

Abstract: The thermoplastic resin in accordance with the present invention includes a unit (A) by 25 mol % to 60 mol %, the unit (A) having a biphenyl group, a linear unit (e.g., a linear aliphatic hydrocarbon chain) (B) by 25 mol % to 60 mol %, and a unit (C) by 1 mol % to 25 mol %, the unit (C) having a substituent selected from the group consisting of non-fused aromatic groups, fused aromatic groups, heterocyclic groups, alicyclic groups, and alicyclic heterocyclic groups, each of which has an effect of folding a main chain.

Abstract: The present invention relates to a curable silicone rubber composition for various types of water supply components used in contact with water. The present invention also relates to a cured product of this composition, a water resistant cured silicone rubber, and use thereof. The present invention imparts good water resistance to a silicone rubber component used in contact with water, and the present invention prevents or decreases the occurrence of whitening or similar visual appearance failures, and the occurrence of insufficient strength to withstand high temperature steam.

Abstract: The present invention relates to surface-modified particles which can be dispersed in organic solvents, and to the use thereof for incorporation into polymers, paints and coatings.

Abstract: Manufacturing processes are provided for nano-porous polymer membranes. Also provided are intermediates suitable to obtain such membranes; polymer membranes as defined herein; shaped articles containing such membranes; and the use of such membranes, shaped articles and intermediates.

Abstract: The present invention relates to an aqueous dispersion comprising (a) at least one (meth)acrylic polymer; (b) at least one vinyl acetate polymer selected from vinyl acetate homopolymer and vinyl acetate copolymers comprising in polymerized form vinyl acetate and ethylene; (c) water; and (d) optionally up to 50% by weight of an inorganic filler, based on the total weight of the aqueous dispersion, wherein the weight ratio of (meth)acrylic polymer(s) (a) to vinyl acetate polymer(s) (b) is from 70:30 to 30:70. The aqueous dispersion may be used as a joint compound or sealing compound.

Abstract: The present invention provides a film suitable for applications requiring high water vapor transmission rates. The film comprises a polyolefin polymer together with from 1 to 30 percent by weight of the film of a hydrophilic polymer and from 30 to 75 percent by weight of the film of a filler having a hydrophilic surface functionality.

Abstract: Composite polymer films or layers have graphene-based nanosheets dispersed in the polymer for the reduction of gas permeability and light transmittance.

Abstract: An acrylic fireproof coating comprised of constituents including water, styrene acrylic polymer, refined white dolomite #0, processed granite #70, processed white marble #90, calcium sulfate, silicon concentrate 10 percent, titanium dioxide, polyethylene glycol, butoxyethanol, light mineral spirits, #5 nano beads and phosphorus trichloride PCl 3. Also included is the method of preparing the acrylic fireproof coating.

Abstract: A thermosetting silicone resin composition for reflector of LED has an organopolysiloxane represented by the following average compositional formula, and has at least two alkenyl groups in one molecule, a linear organohydrogen polysiloxane represented by the following formula and/or a branched organohydrogenpolysiloxane represented by the following formula, an addition reaction catalyst, a white pigment selected from titanium oxide, zinc oxide, magnesium oxide, barium carbonate, magnesium silicate, zinc sulfate and barium sulfate, and an inorganic filler other than Component, R1aR2bR3c(OR0)dSiO(4-a-b-c)/2??(1) R7eR8fHgSiO(4-e-f-g)/2??(3). There can be a thermosetting silicone resin composition which provides a cured product excellent in heat resistance and light resistance, less leakage of light to outside, and particularly suitable for a matrix array reflector.

Abstract: Disclosed herein are compositions comprising a. from 35 to 80 vol % of a thermoplastic polymer; b. from 5 to 45 vol % of a low thermally conductive, electrically insulative filler with an intrinsic thermal conductivity of from 10 to 30 W/mK; c. from 5 to 15 vol % of a high thermally conductive, electrically insulative filler with an intrinsic thermal conductivity greater than or equal to 50 W/mK; and d. from 5 to 15 vol % of a high thermally conductive, electrically conductive filler with an intrinsic thermal conductivity greater than or equal to 50 W/mK, wherein the composition is characterized by: i. a thermal conductivity of at least 1.0 W/mK; and ii. a volume resistivity of at least 107 Ohm.cm. Also disclosed are articles and methods of use therefor.

Abstract: A new polymer composition comprising (i) a polymer having a main polymer chain derived from (ia) at least 30% by weight to 100% by weight based on the polymer of a first monomer which introduces at least one of a secondary carbon and a tertiary carbon to the main polymer chain, and (ib) in the range of from 0 to 70% by weight based on the polymer of at least one other monomer; (ii) at least one lithium salt; and (iii) at least one antioxidant is provided, as well as a process for producing a polymer vulcanizate comprising the step of vulcanizing the polymer composition mentioned above additionally comprising a vulcanization system. A method for improving the hot air aging and aqueous fluid resistance characteristics of the polymer mentioned above comprises the step of admixing said polymer with at least one lithium salt and at least one antioxidant is also provided.

Abstract: A novel polyethylene formed by Ziegler catalyst is devised, for use in blow moulding.

Abstract: The invention concerns a process to manufacture a thermoplastic resin charged with mineral or carbonated matter, and possibly containing an organic impact modifier, through the introduction into the said resin of a comb polymer with at least one ethylenic unsaturation monomer, to which is grafted at least one polyalkylene oxide function. The resins then obtained which also form the subject of the invention have an improved impact resistance without their rigidity being degraded.

Abstract: A polyaryletherketone polymeric material, for example polyetheretherketone and composite materials comprising said polymeric material are described. The polymeric material has a melt viscosity (MV) in the range 0.05 to 0.12 kNsm?2, preferably in the range 0.085 to 0.095 kNsm?2.

Abstract: Crack and joint sealant and method, an embodiment of the crack and joint sealant having a composition that is both gray and meets certain ASTM standards.

Abstract: Gamma radiation sterilizable, reinforced polymer composition (C) comprising: at least one semi-aromatic polyamide (PA), at least one filler (F) selected from platy fillers, acicular fillers and fibrous fillers, and at least one inorganic pigment (IP) having a Mohs hardness of at most 4.5 and a refractive index of at least 1.70.

Abstract: The invention relates to a polymer composition with improved DC electrical properties and to a cable surrounded by at least one layer comprising the polymer composition.

Abstract: Graphite nanoplatelets of expanded graphite and polymer composites produced therefrom are described. The graphite is expanded from an intercalated graphite by microwaves or radiofrequency waves in the presence of a gaseous atmosphere. The composites have barrier and/or conductive properties due to the expanded graphite.

Abstract: Methods for preparing nanocomposites with electrical properties modified by powder size below 100 nanometers. Both low-loaded and highly-loaded nanocomposites are included. Nanoscale coated, un-coated, whisker type fillers are taught. Electrical nanocomposite layers may be prepared on substrates.

Abstract: The invention provides compositions and methods for inducing and enhancing order and nanostructures in block copolymers and surfactants by certain nonpolymeric additives, such as nanoparticles having an inorganic core and organic functional groups capable of hydrogen bonding. Various compositions having lattice order and nanostructures have been made from a variety of copolymers or surfactants that are mixed with nonpolymeric additives. Particularly, a variety of nanoparticles with an inorganic core and organic functional groups have been discovered to be effective in introducing or enhancing the degree of orders and nanostructures in diverse block copolymers and surfactants.

Abstract: An aqueous sealant system, a wood product sealed by the aqueous sealant system, and a method for sealing a wood-based substrate. The aqueous sealant system includes: a) a film-forming resin composition including an aqueous latex of an active hydrogen-containing polymer, a filler, and optional additional additives; and b) a multi-isocyanate hardener, wherein the ratio by weight of the component a) to the component b) is 100:3 to 100:10.

Abstract: A method for surface treating a carbon-containing material in which carbon-containing material is reacted with decomposing ozone in a reactor (e.g., a hollow tube reactor), wherein a concentration of ozone is maintained throughout the reactor by appropriate selection of at least processing temperature, gas stream flow rate, reactor dimensions, ozone concentration entering the reactor, and position of one or more ozone inlets (ports) in the reactor, wherein the method produces a surface-oxidized carbon or carbon-containing material, preferably having a surface atomic oxygen content of at least 15%. The resulting surface-oxidized carbon material and solid composites made therefrom are also described.

Abstract: Provided are a method for producing a polymer molded article, which is capable of increasing crystallinity, heat resistance, and isotropic elastic modulus while maintaining the original shape of a polymer molded body and a polymer molded article obtained by the method and having a high crystallinity, high heat resistance, and a high isotropic elastic modulus. The method for producing a polymer molded article includes the steps of: preparing a polymer material mainly containing a crystalline polymer; and impregnating the polymer material with a first gas having solubility in the crystalline polymer in an atmosphere in which the pressure of the first gas is equal to or higher than atmospheric pressure at a temperature higher than (Tm?30)° C. but lower than (Tm?15)° C., where Tm represents the melting point of the crystalline polymer, to obtain a polymer molded article. The polymer molded article is obtained by such a production method.

Abstract: Disclosed herein is a method of manufacturing inorganic hollow yarns, such as cermets, oxide-non oxide composites, poorly sinterable non-oxides, and the like, at low costs. The method includes preparing a composition comprising a self-propagating high temperature reactant, a polymer and a dispersant, wet-spinning the composition through a spinneret to form wet-spun yarns, washing and drying the wet-spun yarns to form polymer-self propagating high temperature reactant hollow yarns, and heat-treating the polymer-self propagating high temperature reactant hollow yarns to remove a polymeric component from the polymer-self propagating high temperature reactant hollow yarns while inducing self-propagating high temperature reaction of the self-propagating high temperature reactant to form inorganic hollow yarns. The composition comprises 45˜60 wt % of the self-propagating high temperature reactant, 6˜17 wt % of the polymer, 0.1˜4 wt % of the dispersant, and the balance of an organic solvent.

Abstract: Methods herein include mixing at least one polyester resin with at least one solvent to form a resin mixture, adding water to cause phase inversion and form a polyester latex, adding at least one buffering agent to the phase inverted mixture to stabilize the phase inverted mixture, and subsequent to the buffering agent addition, substantially removing the at least one solvent from the phase inverted mixture.

Abstract: A canopy sheet material for use over growing plants such as grape or berry or other fruit vines has higher water permeability in a longitudinally extending substantially center lengthwise part (33) than in lengthwise side parts (34). In use rain falling on the canopy runs down the side parts (34) and drains through the center part (33) to approximately the center of each tree or vine which keeps water away from the fruit under the less water permeable side parts (34).

Abstract: The present invention relates to a resin composition for injection including a low birefringence polymer blend, and a front panel prepared using the same, wherein 2-10 parts by weight of a fluidizing agent is added to the composition based on 100 parts by weight of the polymer blend, and the polymer blend comprises 80-90 wt % of a polycarbonate resin and 10-20 wt % of a negative birefringence polymer resin. It is possible to provide an optical panel using the resin composition for injection, wherein the optical panel is mounted on a front panel of a display such as PDP TVs, LCD TVs, borderless TVs or 3D TVs, and comprises a low birefringence polymer blend plastic resin.

Abstract: A process is proposed for coagulation of an aqueous polymer dispersion, which comprises, during or after the coagulation, converting the dissolved coagulation salt into an insoluble form.

Abstract: Provided are a rubber composition for sidewalls containing 100 parts by mass of a rubber component consisting of at least a natural rubber or a modified natural rubber, 5 parts by mass or less of carbon black, 10 to 40 parts by mass of silica and 5 to 30 parts by mass of an inorganic filler component composed of one kind or two or more kinds of inorganic filler excluding carbon black and silica, and a pneumatic tire provided with a sidewall rubber prepared using the rubber composition. The used amounts of raw materials derived from petroleum resources have been reduced in this rubber composition. Moreover, the rubber composition exhibits low fuel consumption due to low rolling resistance and good flex crack growth resistance.

Abstract: The present invention provides a vinyl chloride resin composition having an improved resistance to warm-water bleaching. The vinyl chloride resin composition according to the present invention is characterized by comprising, with respect to 100 parts by mass of a vinyl chloride-based resin, 0.01 to 10 parts by mass of (a) a zinc-modified hydrotalcite and 0.01 to 10 parts by mass of (b) an acrylic processing aid having a weight-average molecular weight of 200,000 to 7,000,000. The above-described (a) zinc-modified hydrotalcite is preferably a compound represented by the following Formula (I): Mgx1Znx2Al2(OH)2(x1+x2)+4.CO3.mH2O ??(I) (wherein, x1 and x2 each represent a number satisfying the conditions of the following equations; and m represents a real number: 0.1?x2/x1<10, 2?x1+x2<20).

Abstract: To provide an optical resin composition containing carbonate crystals, which have oriented birefringence, have a needle- or rod-like shape, and are able to negate the birefringence without sacrificing the light transmittance of a transparent polymeric resin where the carbonate crystal exists, and a method for producing the resin composition. To achieve this provided are an optical resin composition containing a resin and carbonate crystals, wherein the carbonate crystals have a specific surface area of 4 m2/g or more, and the carbonate crystals dispersed into the resin have an average dispersion diameter of 500 nm at a maximum, and a method for producing the optical resin composition.

Abstract: The present invention relates to polyurethane polymers comprising as part of its polymer backbone biobased ?-hydroxyfatty acids or derivatives thereof, processes for the preparation thereof, and compositions thereof having improved properties. The polyurethanes of the present invention are prepared from copolyester prepolymers comprising the biobased ?-hydroxyfatty acids that may also contain additional components that can be selected from aliphatic or aromatic diacids, diols and hydroxyacids obtained from synthetic and natural sources. The biobased ?-hydroxyfatty acids that comprise the polyurethanes and copolyester prepolymers of the present invention are made using a fermentation process from pure fatty acids, fatty acid mixtures, pure fatty acid ester, mixtures of fatty acid esters, and triglycerides from various sources.

Abstract: The gel time of a grouting system may be controlled by providing a resin component separated by a catalyst component, where a carbon component is included in the catalyst component. The catalyst component may include an inhibitor such as a phenolic compound, and/or the resin component may include a promoter such as an aniline compound.

Abstract: Pneumatic rubber tire intended for heavy duty service having a cap/base configured tread with a silica-containing specialized cis 1,4-polybutadiene rubber-rich tread cap rubber layer.

Abstract: A (per)fluoroelastomer composition having improved plasma resistance comprising at least one (per)fluoroelastomer [fluoroelastomer (A)] and from 0.1 to 50 weight parts per 100 parts by weight of said fluoroelastomer (A) of alkaline-earth metal carbonate particles [particles (P)]. Each particle comprises a core consisting essentially of at least one alkaline-earth metal carbonate and a shell consisting essentially of at least one Group IV transition metal compound.

Abstract: A curable composition contains (A) a polyorganosiloxane base polymer having an average per molecule of at least two aliphatically unsaturated organic groups, optionally (B) a crosslinker having an average per molecule of at least two silicon bonded hydrogen atoms, (C) a catalyst, (D) a thermally conductive filler, and (E) an organic plasticizer. The composition can cure to form a thermally conductive silicone gel or rubber. The thermally conductive silicone rubber is useful as a thermal interface material, in both TIM1 and TIM2 applications. The curable composition may be wet dispensed and then cured in situ in an (opto)electronic device, or the curable composition may be cured to form a pad with or without a support before installation in an (opto)electronic device.

Abstract: Reheat characteristics of polyethylene and polypropylene resins, including reheating time and resin color, are improved by adding to the resin carbon black with a primary particle size in the range of 200 to 500 nm as an infrared absorber. Thermal carbon blacks having this primary particle size are preferred over Furnace carbon blacks. Injection stretch-blow molded bottles and other thermoformed products are made from resins with carbon black infrared absorber.

Abstract: A thermoplastic composition that contains a unique combination of a thermotropic liquid crystalline polymer, dielectric material, laser activatable additive, and a fibrous filler is provided. The nature of the components and/or their concentration are selectively controlled in the present invention to maintain a high dielectric constant, good mechanical properties (e.g., deflection under load), and good processibility (e.g., low viscosity), yet still be laser activatable. Thus, the thermoplastic composition can be readily shaped into a thin substrate and subsequently applied with one or more conductive elements using a laser direct structuring process (“LDS”).

Abstract: A method of producing a carbon fiber composite material includes a first step and a second step. The first step includes oxidizing first carbon nanofibers produced by a vapor growth method to obtain second carbon nanofibers having an oxidized surface. The second step includes mixing the second carbon nanofibers into an elastomer, and uniformly dispersing the carbon nanofibers in the elastomer by applying a shear force to obtain the carbon fiber composite material. The second carbon nanofibers obtained by the first step have a surface oxygen concentration measured by X-ray photoelectron spectroscopy (XPS) of 2.6 to 4.6 atm %.

Abstract: The invention comprises a fire retardant composition comprising a fire retardant compound that thermally decomposes to release carbon dioxide or water or both and a thermoplastic polymer. The invention also comprises a fire resistant synthetic turf comprising a backing layer, a face fiber and infill material between the face fibers, the infill material comprises a flame retardant composition comprising a flame retardant compound that thermally decomposes to release carbon dioxide or water or both and a thermoplastic polymer. The invention also comprises a method of forming a fire resistant synthetic turf product.