177results about How to "Low absorbance" patented technology

Novel beta -aryl- alpha -oxysubstituted alkylcarboxylic acids of the formula (I) and compositions containing them. The compounds have hypolipidemic, antihyperglycemic uses.

Aluminum metal ink compositions, methods of forming such compositions, and methods of forming aluminum metal layers and / or patterns are disclosed. The ink composition includes an aluminum metal precursor and an organic solvent. Conductive structures may be made using such ink compositions by printing or coating the aluminum precursor ink on a substrate (decomposing the aluminum metal precursors in the ink) and curing the composition. The present aluminum precursor inks provide aluminum films having high conductivity, and reduce the number of inks and printing steps needed to fabricate printed, integrated circuits.

A dripping pill of breviscapine is prepared from breviscapine and polyethylene glycol (PEG 4000) 5-8 times through conventional process. Its advantages are high curative effect and high biological utilization rate.

The invention relates to a heat reflection paint with hollow glass microballoons, which comprises a surface paint and a prime paint, wherein the surface paint at least comprises silicone-acrylate emulsion, rutile type titanium dioxide and nano functional composite materials, and the prime paint at least comprises silicone-acrylate emulsion, hollow glass microballoon, hollow inorganic fiber and engineering cellulose. In the invention, the silicone-acrylate emulsion synthesized by the interpenetrating network technology has high diaphaneity and low absorbency, thereby ensuring the excellent weather fastness, the durability and the anti-stain performance of the paint film and maintaining the heat reflectivity and the heat-shielding performance of the coating for long. The synthesized nano functional composite materials have strong sunlight reflection effects, and the reflectivity can be more than 0.9, thereby ensuring the excellent reflective insulation function of the paint film. The selected special high molecular materials and the vacuum glass microballoons can effectively prevent the permeation of heat.

Provided are a top coating composition for a photoresist which can be used in immersion lithography, and a method of forming a photoresist pattern using the same. The top coating composition includes: a polymer including at least three different structural repeating units including a first repeating unit comprising a carboxy group substituted by an alkyl protecting group or an acid-labile group, a second repeating unit comprising an acid group, and a third repeating unit comprising a polar group, and an organic solvent comprising an alcohol.

The invention provides molten salt for chemical strengthening of glass. The molten salt comprises main salt KNO3 and auxiliary salts Al2O3, KCl, K2CO3 and KOH mixed proportionally. The invention also provides a process of applying the molten salt to the chemical strengthening of common Na-Ca-Si flat glass. The technological conditions of ion exchange reaction temperature, time and the like are controlled, and a specific acid corrosion strengthening process is introduced before the ion exchange reaction to be combined with the ion exchange reaction to realize chemical strengthening. When the molten salt and the strengthening process of the invention are applied to the chemical strengthening of the common Na-Ca-Si flat glass, the compressive strength, the compression elastic modulus, the bending strength and the bending elastic modulus of the glass are greatly improved, the chemical strengthening time is remarkably shortened, the chemical strengthening temperature is reduced, the energy consumption for production is obviously reduced and the efficiency is increased.

A flow path member includes a first flow path-forming member made of a material capable of absorbing a laser light and a second flow path-forming member made of a material that has a lower absorbance with respect to the laser light than the first flow path-forming member and having in a portion of an inner surface that at least partially forms a flow path at least one welded portion that is welded to the first flow path-forming member. An outer surface side of the second flow path-forming member that is an opposite side to the inner surface is provided with at least one light blocking portion capable of blocking the laser light and at least one transmitting portion that is capable of transmitting the laser light and that is positioned on an opposite side to the at least one welded portion and the at least one light blocking portion and the at least one transmitting portion are in contact on at least one boundary with each other. At least one external edge of the at least one welded portion is at a position that is shifted by a shift from the at least one boundary to a side toward which the laser light incident on the at least one boundary at an incident angle less than 90 degrees travels.

The invention provides a color deviation balancing film, a lateral incidence type backlight module and a liquid crystal display (LCD) device. The color deviation balancing film is applied to the lateral incidence type backlight module and the thickness of the color deviation balancing film is reduced progressively along the backlight irradiation direction. The color deviation balancing film is arranged in the lateral incidence type backlight module. The lateral incidence type backlight module with the color deviation balancing film is arranged in the LCD device. When the lateral incidence type backlight module with the color deviation balancing film is applied to the LCD device, the intensity difference of light at different positions along the backlight irradiation direction can be reduced, and the color deviation generated by the display picture can be effectively improved.

The invention provides a mixed adsorbent, comprising one or more of a silica gel, carclazyte, silicate and activated carbon. The mixed adsorbent can be used for preparing the grease with an extremely low anisidine value and absorbance value. The invention also provides a method for removing chloropropanol ester substances from the grease. The method comprises a step of contacting to-be-treated grease with the above mixed adsorbent. The content of 3-MCPD ester in the obtained grease product is below 0.8 ppm; and the content of 2-MCPD ester is below 0.5 ppm.

Disclosed are a method for the reduction of an oligosaccharide mixture and an oligosaccharide mixture prepared thereby. In accordance with the disclosed invention, a mixture of oligosaccharides having a given DP profile is reduced to a DE of essentially zero by catalytically hydrogenating the mixture under reaction conditions sufficient to preserve the DP profile of the mixture, which reaction conditions typically include a reaction temperature ranging from about 50° C. to about 150° C. and a reaction pressure ranging up to about 1500 psi. Surprisingly, when the mixture is a malto-oligosaccharide mixture, the reduced mixture will have a superior color-fastness and thermal stability as compared to a similar unreduced mixture of malto-oligosaccharides, and also low reactivity towards nitrogen-containing species.

The present invention relates to high-purity acetonitrile and its production method. The object of the present invention is to provide a kind of method of manufacturing high-purity acetonitrile, wherein, the absorbance of high-purity acetonitrile under the wavelength 200nm is low, and this method is that the used energy of purification is few and the technique of purification operation is simple, obviously reduces the content in acetonitrile of propionitrile. The invention relates to a method for producing high-purity acetonitrile, which is characterized in that the crude acetonitrile with water is mixed with an alkali, separated into an acetonitrile phase and a water phase, and then the water phase is removed, and the obtained acetonitrile phase is subjected to a distillation process to obtain purified acetonitrile, The resulting purified acetonitrile is passed through a cation exchange resin to obtain high-purity acetonitrile.

Epoxy-functional polysiloxanes containing epoxy groups and hydrocarbyl groups free of aliphatic unsaturation, a silicone composition containing a polysiloxane selected from the aforementioned epoxy-functional polysiloxanes, a cured polysiloxane prepared by exposing the silicone composition to ultraviolet radiation, a coated optical fiber containing a cured polysiloxane, and a method of preparing a coated optical fiber.

A purification method of a high-concentration sodium aluminate solution from a Bayer process comprises heating the high-concentration sodium aluminate solution to 80-120 DEG C, strongly mechanically stirring, adding a purifying agent into the sodium aluminate solution to desilicate and remove iron, organic substances and colored substances in the solution, and filtering to separate silica residue from insoluble substances to obtain the purified and decolorized sodium aluminate solution with absorbance lower than 0.30. The purifying agent is calcium oxide, magnesium oxide and / or calcined dolomite. The inventive method can perform deep desilication, remove iron and remove colored organic substances by one-step method.

Provided are a reflective electrode and a compound semiconductor light emitting device having the reflective electrode, such as LED or LD is provided. The reflective electrode formed on a p-type compound semiconductor layer of a compound semiconductor light emitting device, comprising a first electrode layer formed one of a Ag and Ag-alloy and forms an ohmic contact with the p-type compound semiconductor layer, a third electrode layer formed of a material selected from the group consisting of Ni, Ni-alloy, Zn, Zn-alloy, Cu, Cu-alloy, Ru, Ir, and Rh on the first electrode layer, and a fourth electrode layer formed of a light reflective material on the third electrode layer.

A top-emitting display unit is fabricated by the following steps: A lower electrode is formed on a substrate. An organic layer including a luminescent sublayer is formed on the lower electrode. Furthermore, an upper electrode containing lithium is formed by a sputtering process into a thickness of 7 nm to 21 nm. The upper electrode functions as a cathode. The lithium content in the upper electrode is in the range of 0.3 to 1.9 percent by weight. In the sputtering process, the upper electrode is preferably formed at a deposition rate of 50 nm / min or less.

The present invention relates to photoresist polymers and photoresist compositions. The disclosed photoresist polymers and photoresist compositions containing the same have excellent transmittance, etching resistance, thermal resistance and adhesive property, low light absorbance and high affinity to a developing solution at a wavelength of 193 nm and 157 nm, thereby improving LER (line edge roughness).

A glyosylated nitroso hemoglobin pigment for food is prepared from the hemoglobin in the blood of animals or fowls through reacting on sodium nitrite or NO to obtain nitroso hemoglobin, reacting on saccharide to obtain glyosylated nitroso hemoglobin pigment and spray drying. It can be mixed with antioxidizing agent and antiaseptic to obtain a preserving system used for meat. Its advantages are high stability and dispersity, and high effect to decrease the residue of sodium nitrate in preserved meat.

Microstructured optical films, assemblies of films including at least one microstructured optical film, and (e.g. illuminated) display devices including a single microstructured optical film or assembly.

An anti-reflection optical member has a laminated structure including: a transparent substrate having a first refractive index greater than that of a predetermined medium; a metal-microparticle-containing layer containing metal microparticles; and a dielectric layer having a second refractive index greater than that of the predetermined medium, in this order. At least 60% of the metal microparticles are flat particles with a diameter-to-thickness ratio of 3 or more. Principal planes of the flat metal particles are surface-oriented in the range from 0° to 30° relative to the surface of the metal-microparticle-containing layer. In the metal-microparticle-containing layer, the metal microparticles are disposed without forming a conductive path. The dielectric layer has such a thickness that light reflected at the surface of the dielectric layer of incident light entering the laminated structure from the surface is interfered and canceled by light reflected at the interface between the dielectric layer and the metal-microparticle-containing layer.

Laser-imageable flexographic printing plates and a method of making same are disclosed. A thin polymeric film doped with a UV absorber is laminated to a photopolymer layer. The film is ablated from the photopolymer using a laser operating at a selected wavelength to create an in situ negative. The resulting negative can be subjected to typical UV flood exposure and development.

The invention provides a method for photocatalytically degrading lignin by a hydrotalcite-like compound, which belongs to the field of hydrotalcite-like compound application. The method comprises the following steps: adding the hydrotalcite-like compound in a quartz glass tube, adding a solution containing alkaline lignin, and performing irradiation for 20 minutes to 20 hours with a sunlight lamp or an ultraviolet lamp, thereby finishing degradation of lignin. The irradiation with ultraviolet light and sunlight has a very good influence for the hydrotalcite-like compound on adsorbing and degrading the alkaline lignin, the degradation effect under ultraviolet light is superior to that under sunlight, and the reduction of light absorbance of the solution under ultraviolet light is more remarkable. Nickel, magnesium and aluminum hydrotalcite-like compounds under irradiation of ultraviolet light and sunlight are all superior to nano-titanium dioxide in alkaline lignin degrading effect.

It is provided a device of oscillating an electromagnetic wave having a frequency of 0.1 THz to 3 THz from pump and idler waves by parametric effect. The device includes a supporting body 13, an oscillating substrate 11 of a non-linear optical crystal, an adhesive layer 12 adhering the supporting body 13 and oscillating substrate 11, and a film 15 reflecting the electromagnetic wave formed on a surface of the supporting body 13 on the side of the adhesive layer 12. The oscillating substrate 11 has an upper face, a bottom face and an incident face on which the pump wave is made incident. The adhesive layer 12 has a refractive index with respect to the pump wave lower than that of the oscillating substrate 13.

A non crystalline or low crystallinity cellulose is able to be formed into a medicine tablet medium. A method of making a tablet of non crystalline or low crystallinity cellulose comprises providing cellulosic material, adding an effective acid in an amount effective to at least wet the cellulosic material, mixing the cellulosic material and acid under conditions effective to form an essentially uniformly wet condition, letting the mixture sit at ambient conditions for a period of time sufficient to form a viscous fluid, adding water or other diluent in an amount sufficient to lower the acid concentration and to form a slurry, dewatering the slurry, removing any residual acid from the dewatered slurry and forming the tablet.

The invention relates to soaping compound enzyme and an application method thereof. The soaping compound enzyme comprises laccase, persulfate and PVP (polyvinylpyrrolidone), and sodium citrate is also added in the soaping compound enzyme. The soaping compound enzyme comprises the following compositions in percentage by mass: 55-80 of the laccase, 15-30 % of the persulfate, 4-10 % of the PVP, and 1-5 % of the sodium citrate. In the soaping compound enzyme disclosed in the invention, cooperative anxoaction can be generated between the sodium citrate and the laccase as well as between the persulfate and the PVP, and thus the whole soaping effect of the soaping compound enzyme is greatly increased. Compared with the traditional soaping technology, according to the soaping compound enzyme disclosed by the invention, the absorbance of raffinate after soaping is obviously reduced, the clarity is increased, and thus the treating difficulty of sewage is reduced; the fastness to wet rubbing of a cloth sample after soaping in increased by 0.5-1 level, and the soaping fastness is increased by 0.5 level; and three washing procedures are saved, 30% of the water consumption is saved, 30% of the procedure time is saved, the production cost is greatly reduced, and the environment pollution is reduced.

A method for reinforcing flocculation performance of rhodopseudomonas faecalis of light-fermentative bacteria relates to a method for reinforcing flocculation performance of rhodopseudomonas faecalis and aims to solve the problems that flocculation performance of existing light-fermentative cells is poor, and hydrogen generation of a light-fermentative hydrogen generation reactor is low in efficiency due to continuous loss of biomass live-weight. The method includes steps of firstly, seeding 10% of rhodopseudomonas faecalis RLD-53 bacterium liquid to a growth culture medium, disposing the growth culture medium on a swing bed of 120rpm, culturing in continuous light with illumination intensity of 150W / m2 at the temperature of 35 DEG C for 16 hours, and obtaining seed liquid; secondly, seeding the seed liquid obtained in the first step to a hydrogen generation culture medium containing L-cysteine according to 10% seeding quantity, disposing the hydrogen generation culture medium on the swing bed of 120rpm, and culturing in continuous light at the temperature of 35 DEG C for 72 hours, and obtaining bacteria suspension containing flocculating constituents. The method can effectively improve flocculation performance of light-fermentative cells and realize flocculation growth of the light-fermentative cells and can be used for the field of light-fermentative hydrogen generation.

The invention provides a colloidal gold immunocolorimetry kit for detecting retinol conjugated protein (RBP) and a preparation method of the kit and belongs to the field of in-vitro diagnostic reagents. The kit is used for judging whether the situation of individual acute kidney injury occurs or not. According to the method, colloidal gold particles are adopted as a carrier, a retinol conjugated protein (RBP for short) antibody and the colloidal gold particles are coupled, RBP protein in a sample makes contact with the coupled gold particles in a corresponding detection device, an antigen-antibody-gold compound is formed, the light absorbance of the gold particles under detection wavelength is changed, the change amount of the light absorbance is positively correlated with the concentration of RBP protein, and then the purpose of detecting RBP protein in the sample is achieved. The kit has high analysis sensitivity.

The invention relates to a preparation method of a carboxymethyl cellulose based reversible photochromic hydrogel. The preparation method comprises the following steps: dissolving carboxymethyl cellulose of different substitution degrees into water to prepare a carboxymethyl cellulose aqueous solution, preparing a phospho-tungstic acid aqueous solution, mixing the phospho-tungstic acid solution and the carboxymethyl cellulose aqueous solution under the condition of continuous stirring, controlling addition manner and dosage of phospho-tungstic acid, and finally stopping stirring and standing for 2h so as to obtain the carboxymethyl cellulose based hydrogel.