343 results about "Opacifier" patented technology

The heat insulating composite aerogel material consists of silica aerogel, titania as infrared opacifier and reinforcing fiber in the weight ratio of 1 to 0.1-0.7 to 0.7-3. Its preparation process includes compounding sol with silanolate, surface modifier, titanolate, alcohol solvent, acid catalyst and alkaline catalyst in certain proportion; soaking fiber felt or prefabricated fiber part in the sol; and supercritical fluid drying. The material of the present invention has high blocking effect on solid heat transfer, air heat transfer and infrared radiation heat transfer, excellent hydrophobicity, simple preparation process, low cost, mechanical strength over 2 MPa, and wide application range, and may be used in strict heat protection condition in aeronautics, astronautics, military and civil uses.

The present invention relates to a starch composite plant capsule and its preparation method. Said method includes the following steps: uniformly mixing starch or starch composite, dispersing it in distilled water, heating for 15-60 min, at 60-95 deg.c to make starch be fully gelatinated, then adding plasticizer, gel, surfactant, opacifier, edible color matter, preservative, ant-oxidant and enhancer, fully and uniformly mixing them, then decompressing and defoaming, and adopting conventional capsule-forming process to make the obtained colloid liquid into the invented starch composite plant hollow capsule, and its capsule-forming temperature is 40-95 deg.C.

The present invention relates to a composition and to a display device having the composition positioned between electrodes. The composition contains: (a) a compound that undergoes a reversible redox reaction to generate a pH gradient between the two electrodes, (b) an indicator dye, (c) a charge transport material, and optionally, (d) a matrix material and (e) an opacifier, and (f) secondary redox couple wherein components (a), (b), and (c) are different from one another and the standard reduction potential of component (a) is less than the standard reduction potential for the other components. Depending on the electric field present between the electrodes, a display image may be generated.

The present application relates to a water soluble pouch comprising at least one compartment, wherein said compartment comprises a first liquid composition comprising an opacifier and an antioxidant and has a fresh Hunter L value of greater than 7 and a b value of less than 4.

The invention provides a fluid cement for medical use for bone reconstruction, in particular for filling the vertebral body, and a binary composition which is intended for the preparation of such a cement. The invention also provides a device for conditioning the binary composition, and a method of preparing a bone cement from a binary composition. The fluid cement according to the invention comprises: a) approximately 60% to 85% by weight of a polymer comprising a polymethylmethacrylate and a methylmethacrylate monomer and b) approximately from 15 to 40% by weight of a radio-opaque composition. Preferably, the radio-opaque composition comprises a radio-opacifier, such as barium sulfate and zirconium dioxide, in a mixture with a calcium phosphate, for example apatite hydroxide.

A method of preparing transparent or nontransparent silica aerogel granules. The method includes forming a granular wet gel by spraying a silica sol into alcohol, the silica sol being prepared by mixing a water glass solution or an opacifier-containing water glass solution with an inorganic acid solution, forming a granular alcohol gel through gelation aging and solvent substitution of the granular wet gel in alcohol, hydrophobically modifying the surface of the granular alcohol gel using an organic silane compound, and drying the surface modified gel at ambient pressure or in a vacuum. The method may prepare silica aerogel granules in a short period of time through heat treatment at a relatively low temperature and at ambient pressure or in a vacuum, thereby ensuring excellent economic feasibility, continuity and reliability, suited for mass production.

The invention provides a preparation method of a nanopowder-based composite thermal insulation material. The preparation method comprises the following steps: by using nanopowder as a base material and alkali-free ultrafine glass fibers, aluminium silicate fibers, zirconia fibers, multicrystal mullite fibers and the like as reinforcing materials, adding infrared opacifiers (potassium hexatitanate whiskers, SiC, ZrSiO4 and rutile or anatase TiO2), adding a high-temperature contraction inhibitor and a hydrophobe as required and carrying out dispersion, blending, compression forming and the like, thus preparing the nanopowder-based composite thermal insulation material. The preparation method belongs to the dry forming preparation process and is simple in preparation process and safe and reliable in operation process. The press-formed thermal insulation material has good mechanical property, thermal insulation property, high-temperature thermal stability and hydrophobicity and can meet the requirements of the fields such as aerospace, the high-temperature industry and the like for efficient thermal insulation materials.

The invention relates to wax-based opacifier preparations containing (a) at least one amphoteric surfactant, (b) at least one fatty acid partial glyceride, (c) at least one fatty acid polyglycol ester and optionally (d) a polyol, with the proviso that the ratio by weight of (a) to (b) is between 10:1 and 4:1 and the ratio by weight of (b) to (c) is between 1:1 and 5:1 and the preparations are free from anionic surfactants.

A black resin composition for a display device, which can achieve a high optical density even when its light-blocking agent content is relatively low and can achieve a high optical density even when it is formed into a thin film, and a member for display device which can reduce unevenness of display caused by a level difference in a pixel part resulting from the film thickness of the black resin composition. The black resin composition for a display device has a black titanium oxynitride represented by composition formula: TiN_xO_y-nSiO₂ (wherein x and y each are a real number of larger than 0 but less than 2, and n is a real number within the range of 0≦n≦0.05), containing a nitrogen atom represented by N in an amount of 17 wt % or more but less than 23 wt %, and having a specific surface area of 5 to 30 m²/g and a crystalline size as measured with an X-ray diffractometer of 17 to 25 nm, and a curable binder system. Also, a member for display device having a light-blocking layer formed using the said black resin composition for display device.

A conditioning detergent composition comprised of a surfactant portion comprising at least one of anionic, amphoteric, and nonionic surfactants and a conditioner portion comprising at least one branched cationic polymers and a silicone which is different from said branched cationic polymer and which is matrix soluble. The conditioning detergent composition imparts cleansing, wet detangling, dry detangling and manageability to hair and which is relatively non-irritating and thus suitable for use by young children and adults having sensitive skin and eyes. The conditioning detergent composition is able to provide such benefits in an aesthetically pleasing formulation without the need for suspending agents, opacifiers, or pearlizing agents.

The present invention relates to a multi layer pharmaceutical oral dosage form having delayed release and immediate release properties and method of making same. The delayed release formulation substantially behaves as an enterically coated dosage form but without the formulation and the application of an enteric coating. The delayed release formulation is characterized by a mixture of one or more active ingredients and one or more excipients selected from the group of solid aliphatic alcohols, mixtures of esters of saturated fatty alcohols and saturated fatty acids, natural or synthetic waxes, hydrogenated castor oil, hydrogenated vegetable oil, gums, and mixtures thereof; pH dependent soluble polymers; and optionally an opacifying agent.

The invention discloses a washing and softening laundry detergent composition, which comprises cationic softener, nonionic surfactant, thickener, opacifier and deionized water. The laundry detergent of the invention is convenient to use, low in cost and environmentally-friendly and has the combined functions of washing and softening.

The invention relates to a desloratadine grain and a preparation method thereof. The preparation method comprises the steps: fully coating a medicine and proper auxiliary materials (such as a stabilizing agent, a cosolvent, a PH adjusting agent, a filling agent and the like) into a water-soluble high molecular material; and adding a proper opacifier into a coating material, so that the medicine can be isolated from the light and the external moist air when the medicine is stored, and the stability of the medicine can be adequately guaranteed when the medicine is stored under the room temperature; mixing the coated grain with a proper flavoring agent and soluble auxiliary materials to obtain the desloratadine granular formulation; and properly adding a small quantity of edible coloring agent and fruity essence to increase the novelty to the children, and improve the taking compliance.

A liquid-activated formulation is provided, comprising a liquid-activated colorant, a hydrochromic ionic compound, an opacifier, and a hot melt binding matrix.

The invention relates to an xonotlite compound super insulating material and a preparation method thereof. The xonotlite compound super insulating material comprises the following mixed raw materialsby weight percentage: 40 to 80 percent of SiO2 aerogel, 5 to 40 percent of infrared opacifier and 0 to 25 percent of reinforcing fiber. The preparation method comprises the following steps: adopting secondary particles which are provided with surface loose structures and are formed by mutual winding of xonotlite fiber with ultrafine diameters and SiO2 aerogel precursor prepared by adopting industrial water glass as silicon source to carry out compounding in advance; filling the SiO2 aerogel precursor in loose accumulation body of secondary particles of vacuum-dehydrated xonotlite, and drying after gelatinization and surface modification; filling the aerogel at the inner parts and the shells of the secondary particles of the xonotlite to form xonotlite-aerogel compound powder; and then mixing the xonotlite-aerogel compound powder with the infrared opacifier and the reinforcing fiber evenly, pressing the mixture in forming equipment with a negative pressure device and forming to obtain the xonotlite compound super insulating material. The invention has simple technique and low cost; and the prepared xonotlite compound super insulating material has excellent performance and can be used for insulation of a heating power device and a high-temperature pipeline.

A coated label substrate including a label substrate, a printable coating, and a connector (e.g., an adhesive layer) is generally provided. The printable coating overlies one surface of the label substrate. The printable coating includes an organic polymer covalently bonded to a plurality of inorganic nanoparticles (e.g., metal oxide nanoparticles such as SiO₂), and is configured to not melt during printing at temperatures up to about 350° F. Other materials, such as an opacifier, may also be present in the printable coating. An ink composition (e.g., toner ink, resin ribbon composition, etc.) can be applied an external surface of the coated label substrate formed by the printable coating to defines an image on the external surface

The invention discloses a nanosized silica thermal insulation material and a preparation method based on a normal-temperature drying wet process thereof. The method comprises the following steps: adding nano silica powder, a ceramic powder opacifying agent, a xonotlite whisker or other enhanced fibers or whiskers subjected to hydrophobic treatment to a container with a water solution containing a binder; adding a foaming agent to rapidly agitate into even foam; carrying out suction filtration to obtain concentrated foam slurry; finally, orderly carrying out filter-pressing molding and normal-temperature drying on the concentrated foam slurry, so as to obtain the nanosized silica thermal insulation material. The method disclosed by the invention has the advantages of being short in production cycle (one day in general), simple in process, low in cost, and easy for realization of mechanical large-scale production. The nanosized silica thermal insulation material prepared by using the method has heat preservation and heat insulation performances similar to a monox aerogel thermal insulation material, the heat conductivity coefficient at 100 DEG C is smaller than 0.02W/m.K, and the heat conductivity coefficient below 700 DEG C is smaller than 0.05W/m.K.

The invention relates to oxidized hydroxypropyl starch empty capsules and a preparation process thereof. The oxidized hydroxypropyl starch empty capsules are prepared from oxidized hydroxypropyl starch, water, plasticizer, gelatinizer, coagulant aid, opacifier and colorant. The empty capsules are prepared through the procedures of mixing, glue dissolving, blank making, forming and the like. The oxidized hydroxypropyl starch empty capsules and the preparation process have the advantages that the oxidized hydroxypropyl starch is adopted as a main raw material and is a purely-natural and pollution-free material, the source of the raw materials is wide, and production cost is low.

An opacifier concentrate including (a) 5 to 50% by weight of a styrene/acrylate copolymer; (b) 3 to 90% by weight of at least one anionic, nonionic, amphoteric and/or zwitterionic surfactant; and (c) 0 to 10% by weight of an additive, and (d) the remainder up to 100% by weight water. The opacifier concentrate may be incorporated into a cosmetic preparation.