Abstract: The invention relates to colorant compositions, and aqueous latex paints or other water-borne coatings made from them, which have a mitigated environmental impact. Levels of solvents, additives and impurities comprising volatile non-aqueous constituents, alkylphenol ethoxylates (and derivatives thereof), crystalline silica, and/or formaldehyde are decreased relative to those typical of preceding generations of colorants and tinted aqueous latex paints and other water-borne coatings. On the other hand, paint-performance as indicated by any of Stormer viscosity stabilization, rheological profile flow/leveling and sag resistance, water sensitivity and color transfer resistance is comparable to a paint in which the aforementioned solvents, additives and impurities are still present.

Abstract: A method and a composition for the production of surface smoothing polyurethane layers for application to a substrate prior to subsequent application of a charge generation layer for electrophotographic applications by preparing a coating solution containing a dialkyl malonate capped isocyanate or polyisocyanate, a polyol and at least one finely-divided metal oxide, coating the substrate with the coating solution and heating the coating solution to a temperature up to about 140° C.

Abstract: Surface treated inorganic oxide pigments are provided wherein one or more of the ethylene glycol esters and diesters are applied to the surface of a base inorganic oxide pigment, for example, an anatase titanium dioxide pigment from the calciner of a conventional sulfate route process for making titanium dioxide pigments or especially a rutile titanium dioxide pigment from the oxidizer in a conventional chloride route process for making titanium dioxide pigments.

Abstract: The present invention relates to an organopolysiloxane composition that can be vulcanized at room temperature into an elastomer that is crosslinked by polycondensation and that does not contain alkyltin-based catalysts which exhibit toxicity problems. The invention also relates to novel polycondensation catalysts having a guanidine structure, in silicone chemistry, and to the uses thereof as catalysts for the organopolysiloxane polycondensation reaction.

Abstract: A highly heat-resistant fluororesin, such as tetrafluoroethylene resin or tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer, is filled with 0.5 to 1 weight % of a non-black insulating pigment that has a heat resistance such that discoloration does not occur when the fluororesin is baked. Green insulating pigment whose main component is a TiO2—CoO—NiO—ZnO system or a ZnO—CoO system, or blue insulating pigment whose main component is a CoO—Al2O3 system or a CoO—Al2O3—Cr2O3 system is used singly or in a combination, as the non-black insulating pigment. A highly arc-resistant insulator is provided that secures an insulating capacity and at the same time that secures an excellent ability to prevent both interior and exterior deterioration of the insulator and that avoids color heterogeneity and localized discoloration.

Abstract: A polymer composition is provided which is white and opaque (i.e. shields from light). The polymer composition comprises a blend of (i) a silicon-free polycarbonate polymer and (ii) a polycarbonate-polysiloxane copolymer; a whitener such as titanium dioxide; and (iii) a non-white colorant such as carbon black. The resulting composition, when molded and measured at a thickness of 0.75 mm, has an L* of greater than 80 and a % T of less than 1%. The composition also has good impact strength at low temperatures and good stability during processing.

Abstract: A contact transparent single layer or multilayer film absorbing and/or reflecting UV radiation and short-wavelength visible light is disclosed. The film comprises at least one layer based on at least one optionally modified thermoplastic olefin homo- or co-polymer, comprising a combination of at least one organic or inorganic colored pigment or dye absorbing and/or reflecting short-wavelength visible light, and of at least one organic or inorganic compound absorbing and/or reflecting the UV radiation.

Abstract: A field grading material includes a field grading effective amount of a nanoparticle filler distributed in a polymeric matrix, and the nanoparticle filler is heterogeneously distributed in the polymeric matrix.

Abstract: A photo-crosslinkable polyolefin composition comprises a polyolefin, a source of functionality receptive to crosslinking by UV radiation, a cationic photoinitiator and optionally includes a free-radical photoinitiator, a crosslinking accelerator or sensitizer, and other additives such as compatibilizers, inorganic fillers, nanofillers, glass, polymeric and ceramic microspheres, glass fibers, flame retardants, antioxidants, stabilizers, processing aids, foaming agents and pigments. A method for manufacturing a UV-crosslinked polyolefin article comprises forming an article by extruding, molding or otherwise forming the UV-crosslinkable polyolefin composition and subjecting the article to UV radiation on-line with the extrusion, molding or other forming operation.

Abstract: Chemically crosslinked polycyclooctene having excellent shape recovery properties is prepared by ring-opening metathesis polymerization of cis-cyclooctene followed by chemical crosslinking. The crosslinked polycyclooctene can be shaped, the shape memorized, a new shape imparted with the original shape being recoverable by suitable temperature adjustment. The dependence of shape memory characteristics on degree of crosslinking was established. In addition to polycyclooctene, blends thereof with other materials such as SBR, EVA, polyurethane rubbers, and inorganic fillers can be utilized to provide chemically crosslinked products having excellent and tailored shape memory properties.

Abstract: The invention relates to the use of light-colored or transparent particulate semiconductor materials or particulate substrates that are coated with said semiconductor materials as a hardening and/or drying additive and/or for increasing the thermal conductivity of lacquer systems and printing colors.

Abstract: A resin composition for sealing a light-emitting device of the present invention includes a silsesquioxane resin including two or more oxetanyl groups, a cationic polymerization initiator and a metal oxide fine particle. Furthermore, a lamp of the present invention includes a package equipped with a sealing member, an electrode exposed in the bottom portion of the sealing member, and a light-emitting device arranged on the bottom portion and electrically connected with the electrode, wherein the light-emitting device is sealed with the resin composition for sealing a light-emitting device filled in the sealing member.

Abstract: New polymer concentrates on the basis of polymer additives, like e.g. fillers and flame-retardants, are provided which have in particular an increased bulk density compared to the polymer additives as such. This increased bulk density leads to a substantial improvement in the processability of such concentrates, their dispersibility during compounding and the properties of the resulting polymer compound. Processing improvements include less dust, faster processing and more homogeneous additive dispersion. The invention also provides a process for preparing such new polymer concentrates, a process for preparing polymer compounds containing the new polymer concentrates, the respective polymer compounds and a process for preparing formed parts thereof. Such formed parts have more uniform properties such as density, wall thickness, and in case of the flame-retardants more homogeneous and consistent flame retardancy.

Abstract: Disclosed herein is a composite dielectric composition having a small variation of capacitance with temperature, comprising a combination of a polymer matrix exhibiting a positive or negative variation of capacitance with temperature and a ceramic filler exhibiting a negative or positive variation of capacitance with temperature which is reciprocal to that of the polymer matrix; and a signal-matching embedded capacitor prepared by using the same composition. Particularly, the present invention provides a composite dielectric composition comprising a polymer matrix exhibiting a positive or negative variation of capacitance with temperature and a ceramic filler exhibiting a variation of capacitance which is reciprocal to that of the polymer matrix; and a signal-matching embedded capacitor formed of the same composition and having a variation of capacitance with temperature, ?C/C×100(%), of not more than 5%.

Abstract: A sealant composition which may be applied between two substrates in a solar panel provides consistent rheology, high weatherability resistance, acts as a moisture barrier, and has low conductivity. The sealant composition preferably includes a rubber component, at least one rheology modifier, an adhesion promoter, a flow modifier, and a stabilizer.

Abstract: A nanocomposite material suitable for electrical insulation includes a polymer compounded with a substantially homogeneously distributed functionalized nanoparticle filler. The nanocomposite material is produced by compounding the polymer with the functionalized nanoparticle filler by imparting a shear force to a mixture of the polymer and filler capable of preventing agglomeration of the filler whereby the filler is substantially homogeneously distributed in the nanocomposite material. The electrical insulation may be adapted for AC or DC high voltage, and may also be adapted for low or medium voltage to prevent formation of water tree structures.

Abstract: Water based slurry compositions for making an environmental barrier coating including from about 1 wt % to about 99.9 wt % water; from about 0.1 wt % to about 72 wt % primary material; and from about 0.1 wt % to about 25 wt % slurry sintering aid.

Abstract: Disclosed are a long-fiber reinforced and colored molded article having desirable physical properties such as superior impact strength, tensile strength, and flexural strength as well as superior heat-resistance, a long-fiber reinforced polyolefin composition for producing the article, and method for producing the article. The long-fiber reinforced polyolefin composition comprises long-fiber reinforced polyolefin pellets including 35 to 90 weight % of a long-fiber reinforcing agent and 5 to 60 weight % of polyolefin wherein the impregnation degree of the long-fiber reinforced polyolefin pellet is preferably more than 80%; and colored polyolefin pellets having the length of 5 to 500 mm, and including 0.01 to 15 weight % of a coloring agent for the total amount of the coloring agent and polyolefin, wherein the amount of the colored polyolefin pellets is 5 to 80 weight % for the total amount of the colored polyolefin pellets and the long-fiber reinforced polyolefin pellets.

Abstract: A liquid electrostatographic toner or liquid ink jet ink prepared by the steps of heating a marking particle mix of particles of a resin and a colourant blend in a carrier liquid to a temperature between about the first softening point of the resin and about the second softening point of the resin, maintaining the temperature of the heated marking particle mix for a selected period of time, cooling the marking particle mix to room temperature, and mixing the marking particle mix with high shear. The particle mix can be produced by coarse grinding in a ball mill. The resultant toner or ink has an improved Newtonian like flow behaviour, improved electrical properties, reduced sedimentation and agglomeration and significantly improved optical density and reduced background.

Abstract: A field grading material including a polymeric matrix provided with a filler. The filler includes a field grading effective amount of particles having at least one dimension smaller than or equal to 100 nm. A device including the field grading material for grading an electric field in high-voltage applications and a method for grading an electric field at a joint or termination of an electric power cable using the field grading material.

Abstract: A method for coloring powders using a stable colorant dispersion is provided. The method includes mixing a base powder and a stable colorant dispersion. A colored powder composition baying a core particle and a partial shell about the core particle is provided.

Abstract: Novel compositions, as well as related methods, coatings, and articles, are disclosed.

Abstract: The present invention provides a dispersant for aqueous and non-aqueous systems which can disperse insoluble fine powders in aqueous and non-aqueous liquids in a short period of time and give long-term dispersion stability to the resulting dispersions. The dispersant is a compound of the formula wherein CY is selected from the group consisting of aliphatic monocyclic compounds having one double bond and aliphatic polycyclic compounds with or without one double bond, or with or without bridge carbons; (n+x+y+z)>1; and R=—H, —SO3M, —CO2M, —PO3M, —OCR? wherein M=H, or Na, K, Li, Ca, Mg, NH4, NH(R1)2, NH2R1, N(R1)3 where R1 is selected from the group consisting of C1-C6 alkyl and C1-C6 hydroxyalkyl; and R?=C2-C22 alkyl or alkenyl.

Abstract: Compositions and methods of making urethane based nonionic associative thickeners are described herein. Uses of the nonionic associative thickeners are also described.

Abstract: Organic-inorganic composite material comprising: colloidal particles of at least one inorganic compound chosen from metal or metalloid oxides and oxyhydroxides, prepared by means of a process of hydrolysis-condensation in a protic or polar solvent, said particles having been surface-functionalised by reaction with an organic compound; and an organic or inorganic polymer. Process for preparing this composite material and optical material comprising a layer of this composite material.

Abstract: A moisture curable composition capable of cure to an elastomeric body comprising (a) a diluted polymer comprising (i) a silicon containing polymer of the formula X-A-X1 where X and X1 are independently selected from silyl groups which contain one or more condensable substituents per group and A is a polymeric chain having a number average molecular weight (Mn) of at least 132 000; and a degree of polymerisation of at least 1800. (ii) an organic extender and/or plasticiser which diluted polymer is obtained by polymerisation in the presence of the said organic extender and/or plasticiser (b) a suitable cross-linking agent which comprises at least two groups which are reactable with the condensable groups in the diluted polymer, (c) a suitable condensation catalyst and optionally (e) one or more fillers.

Abstract: A method for forming a fire resistant material is disclosed. The method comprises providing a plurality of expandable beads of a polymeric material. The beads are coated with an exfoliable graphite. The exfoliable graphite is adhered to the beads with a resin having a solubility parameter of the polymeric material. The beads are thereafter caused or allowed expand and fuse.

Abstract: The present relates to nylon-5,10 molding compositions comprising A) from 40 to 90% by weight of a nylon-5,10, B) from 10 to 60% by weight of fiber-containing or mineral-containing fillers, C) from 0 to 20% by weight of further additives, where the total of the percentages by weight of components A) to C) is 100%. The present invention moreover relates to a process for the preparation of these molding compositions, to the use of these molding compositions for the production of moldings of any type, and to the resultant moldings, preferably motor vehicle bodywork parts or electronics components of any type, foils, and fibers.

Abstract: A non-stick coating application for high heat welding environments comprised of a fluorinated polymer combined with acidified graphite to which a hardening agent, such as alumina, may be added in some embodiments.

Abstract: An addition curable adhesive silicone composition containing a phosphor dispersed uniformly therein is provided. The dispersive state of the phosphor remains stable over time. The composition, in an uncured state at room temperature, is either a solid or a semisolid, and is therefore easy to handle, and is suited to an adhesive silicone composition sheet which is able to be formed easily on an LED chip using a conventional assembly apparatus.

Abstract: A process for preparing an aqueous dispersion of particles composed of addition polymer and finely divided inorganic solid (composite particles), in which process ethylenically unsaturated monomers are dispersely distributed in aqueous medium and polymerized by the method of free-radical aqueous emulsion polymerization by means of at least one free-radical polymerization initiator in the presence of at least one dispersely distributed, finely divided inorganic solid and at least one dispersant, which comprises using a monomer mixture comprising >0 and ?10% by weight of at least one ethylenically unsaturated monomer containing an epoxide group.

Abstract: A non-photosensitive flexographic liquid or paste precursor comprising a mixture of acrylate oligomers and acrylic or methacrylate monomers, infrared absorbing material, fillers and heat decomposable peroxide, which when heated forms a non-thermoplastic elastomeric solid material in the form of a flexographic printing blank engraveable by infrared laser ablation.

Abstract: The present invention relates to a high-performance silicone elastomer composition that is adhesive and that can be crosslinked at high temperature for the assembly of silicone-based substrates, both by platinum and peroxide catalysis, and that may lend itself to a strip conformation. The composition comprises at least one gum, one catalyst and one adhesion promoter of polyorganohydrogensiloxane type, the nature and the amount of said adhesion promoter having been chosen so that Si—H groups are in excess following the reaction for crosslinking the composition, so as to obtain a potential surface density of covalent Si— bonds with the silicone substrate to be bonded of at least one covalent Si— bond per 60 nm2.

Abstract: A process for lowering the stiffness of filled thermoplastic polymer formulations is disclosed wherein the process comprises including in said formulation a low modulus coupling agent wherein said coupling agent comprises a blend of at least two functionalized polyolefins. Also disclosed is a process for producing soft coupling agents comprising blending at least two functionalized polyolefins in pre-determined ratios, whereby chemical and physical properties of the coupling agents can be controlled.

Abstract: A superconducting coil for a magnetic resonance apparatus is formed by one or more wound superconducting conductors that are embedded in a cured sealing compound, with nanoparticles added to the sealing compound.

Abstract: A polyimide resin composition modified with bismaleimide and cyanate, which comprises (a) polyimide resin, (b) cyanate, (c) bismalemide, and (d) nanometer filler. By using the present polyimide resin composition modified with bismalemide and cyanate, heat expansion coefficient of polyimide can be reduced. Also, heat resistance and dimension stability of the polyimide resin can be improved, and thus it is suitable for cladding with copper foil to produce printed circuit board.

Abstract: Method for making a mixture used in the production of a polytetrafluoroethylene (PTFE) membrane including porous inorganic materials. The mixture includes PTFE resin, a lubricating agent, and a porous inorganic material. The mixture may be further processed to form a PTFE membrane.

Abstract: A pearlescent pigment (100) includes: a flaky substrate (10); a titanium dioxide layer (20) that is formed on the flaky substrate (10); and an oxazoline compound layer (40) that is formed on the titanium dioxide layer (20) with the titanium dioxide layer (20) being interposed between the flaky substrate (10) and the oxazoline compound layer (40), and serves as a top surface of the pearlescent pigment (100).

Abstract: The thermoplastic polyurethane comprises an inorganic additive, at least 70% of the particles of the inorganic additive having a maximum particle diameter smaller than 75% of the fiber diameter of the thermoplastic polyurethane.

Abstract: An aqueous composition containing pigment and an acrylic polymer and having reduced flocculation of pigment particles.

Abstract: The present invention relates to improved yellow iron oxide pigments and to their use.

Abstract: Provided are a resin composition for a vibration damping material, including: a polyester resin mainly formed of a dicarboxylic acid constitutional unit and a diol constitutional unit; and a filler, in which the polyester resin contains: a dicarboxylic acid constitutional unit (A) mainly derived from an aromatic dicarboxylic acid, in particular, isophthalic acid; a diol constitutional unit (B) mainly derived from ethylene glycol; a constitutional unit (C) formed of an aliphatic dicarboxylic acid, an aliphatic diol, and/or an aliphatic hydroxycarboxylic acid each having 5 or more carbon atoms; and a flake-like or plate-like filler (D) and a filler (E) made of a particulate metal oxide as the filler; and a vibration damping material. Thus, there can be provided a vibration damping material exerting high vibration damping performance in a wide temperature region and being excellent in toughness and processability.

Abstract: Tin-free, single-component silicone compositions which are stable with respect to storage in the absence of moisture, and which can be crosslinked into an elastomer by means of polycondensation reactions at ambient temperature and in the presence of water; such elastomers are adherent on various supports and harden rapidly and the silicone compositions contain an alkoxy-functional polyorganosiloxane (POS), a carboxylic acid and/or a carboxylic acid anhydride, and, optionally, a mineral filler of fumed silica type, an alkoxy-functional POS resin and an organometallic compound (containing no tin).

Abstract: The invention relates to absorptive, crosslinked polymers which are based on partly neutralized, monoethylenically unsaturated monomers carrying acid groups, and have improved properties, in particular in respect of their capacity for transportation of liquids in the swollen state, and which has a high gel bed permeability and high centrifuge retention capacity.

Abstract: Provided herein are compositions useful as ink or coatings which contain novel dispersants that are capable of dispersing pigments which are traditionally difficult to disperse while maintaining acceptable levels of viscosity. Use of dispersants as taught herein enables the preparation of a wide variety of inks and coatings having high pigment loading and existing within a conventionally-useful viscosity range.

Abstract: A light-shielding paste which contains a thermoplastic resin and an inorganic member as essential components or which contains a thermosetting resin and an inorganic member as essential components is provided. A curable composition and light-shielding paste comprising the composition are provided which contains, as essential components, (A) an organic compound comprising an organic main chain containing at least two carbon-carbon double bonds reactive with a SiH group in each molecule, (B) a silicon compound having at least two SiH groups in each molecule, (C) a hydrosilylation catalyst, (D) a silane coupling agent and/or an epoxy group-containing compound, (E) a silanol condensation catalyst, and (F) an inorganic member. The curable composition can further contain (G) silica. Also provided is a method of forming a light-shielding resin layer on a LED package having an aperture comprising a bottom and sidewalls. The curable composition is excellent in light-shielding ability.

Abstract: The flame retardant of the present invention has a flame retardant (a) component, comprising 50 to 97% by mass of a metal hydrate (a-1) component and 3 to 50% by mass of a filler (a-2) component, wherein the filler (a-2) component contains SiO2, Al2O3 and M2/nO. Here, the total of the metal hydrate (a-1) component and the filler (a-2) component is 100% mass, M represents one or more metal elements selected from a group consisting of K, Na, Mg, Ca, Fe and Zn, and n represents a valence of the metal element. According to the present invention, it is possible to provide a flame retardant capable of providing a molded article and an electric wire with a coating, which are excellent in flame retardancy, abrasion resistance and flexibility, and also have sufficient mechanical strength at low cost.

Abstract: A composite material comprises a particulate material generated as a waste by-product of an industrial process, and a binder for binding the particulate material into a uniform mass. The particulate material and binder are combined in preselected proportions and compressed to form a counterweight having a preselected density and a fixed configuration. A counterweight is manufactured by selecting a first proportion of a particulate material generated as a waste by-product of an industrial process, selecting a second proportion of a binder for binding the particulate material into a uniform mass, combining the first proportion of the particulate material with the second proportion of the binder into a uniform mass, forming the counterweight from the uniform mass, and incorporating the counterweight into a finished product.

Abstract: A solid composition comprises: —MnO2; and—a compound represented by the general formula (I) wherein: R is a polymer; each Y is independently a hydrogen or a negative charge; Z is either hydrogen or is not present; each n is independently 1, 2, 3, 4, 5 or 6; wherein the MnO2 is bound to the compound of formula (I) so as to coat the surface thereof. Such a composition may be used for the separation of polyvalent metal species, such as Mo, from one or more accompanying impurities.

Abstract: A method for forming a fire resistant material is disclosed. The method comprises providing a plurality of expandable beads of a polymeric material. The beads are coated with an exfoliable graphite. The exfoliable graphite is adhered to the beads with a resin having a solubility parameter of the polymeric material. The beads are thereafter caused or allowed to expand and fuse.