371results about How to "Reduce discoloration" patented technology

Reinforced composites containing cellulosic pulp fibers dispersed in a matrix, wherein the matrix comprises a thermoplastic polymeric material melting above 180° C. and the cellulosic pulp fibers have an alpha-cellulose purity greater than 80% by weight. Methods of making and using the reinforced composites.

Disclosed is a light emitting diode (LED) package employing a lead terminal with a reflecting surface. The package includes first and second lead terminals that are spaced apart from each other. The first lead terminal has a lower portion with an LED chip mounting area, and at least one reflecting surface formed by being bent from the lower portion. Meanwhile, a package body supports the first and second lead terminals and forms a cavity through which the LED chip mounting area and the reflecting surface of the first lead terminal and a part of the second lead terminal are exposed. The first and second lead terminals extend outside of the package body. Accordingly, light emitted from an LED chip can be reflected on the reflecting surface with high reflectivity, so that the optical efficiency of the package can be improved.

The present invention is directed to tissue closure devices for closing a tissue opening, including one or more closure components, each closure component having a first member and a second member, each of the first and second members having a first surface that adheres to a tissue surface proximate to the tissue opening, each of the first and second members having a second surface substantially orthogonal to the first surface, and each of the first and second members having a transitional region between the first surface and the second surface which is contoured to evert an edge of the tissue opening upon the drawing together of the first and second members. The present invention is also directed to systems and kits, dressing systems, and methods for tissue repair and closure.

A cereal grain kernel coated with a metal amino acid chelate, a method for mineral or metal fortification of cereal grain kernels and a coating composition is disclosed. Unlike other metal or mineral fortificants, cereal grain kernels may be coated with iron, calcium, zinc and / or other metals in the form of an amino acid chelate without pulverizing individual kernels. Further, the coated kernels are stable, palatable and contain highly bioavailable metals.

The invention discloses an organic silicone resin, a curable organopolysiloxane composition and an application. A structural formula of the organic silicone resin is shown as formula I. The curable organopolysiloxane composition is obtained by mixing the organic silicone resin with an organic silicone compound having at least two hydrogen atoms bonded with a silicone atom in one molecule. The curable organopolysiloxane composition can be applied on luminescent semiconductor package. The curable organopolysiloxane composition has the following advantages of excellent adhesive property, relatively strong hardness, excellent impact resistance, high transparency, little color change in a heat resistance test and high luminescent efficiency. Besides, the curable organopolysiloxane composition is not easy to peel off in a thermal shock test and presents excellent adhesive power in adhesive experiments with PPA and metal. The formula I is R1R22SiO(R3SiO3 / 2)a(SiO4 / 2)b(R42SiO)cOSiR22R1.

The invention provides antimicrobial compositions comprising one or more acid and one or more organic diol. In one embodiment, the invention's compositions have an acidic pH. The compositions may optionally further contain one or more oxidizing agent (including stabilized oxidizing agent and / or unstabilized oxidizing agent), and / or one or more surfactant. In particular embodiments, the acid lacks one or both of —NH group and —NH2 group. The invention's compositions are useful in all stages of handling agricultural products, in hospitals, and in commercial and household applications.

Epoxy resin compositions are disclosed which comprise (A) at least one silicone resin, (B) at least one epoxy resin, (C) at least one anhydride curing agent, (D) at least one siloxane surfactant, and (E) at least one ancillary curing catalyst. Also disclosed are a packaged solid state devices comprising a package, a chip, and an encapsulant comprising a composition of the invention. A method of encapsulating a solid state device is also provided.

Reinforced composites containing cellulosic pulp fibers dispersed in a matrix, wherein the matrix comprises a thermoplastic polymeric material melting above 180° C. and the cellulosic pulp fibers have an alpha-cellulose purity greater than 80% by weight. Methods of making and using the reinforced composites.

A lighting device (100, 200, 300, 400) is disclosed. The device comprises a plurality of light sources (111, 119, 120, 211, 219, 220) providing light in different wavelengths, a collimating means (104, 204) having a receiving end (103, 203, 407) and an output end (114, 214, 409), wherein said light sources are arranged at said receiving end. The collimating means comprises a set of wavelength selective filters (109, 110, 115, 116, 117, 118, 215, 217) arranged as sub-collimators (106, 107, 108, 206, 207, 208) to each of said plurality of light sources such that, for each light source, said sub-collimator collimates the light from its light source, and said wavelength selective filter of said each light source is translucent for light from adjacent light sources of different wavelength, wherein said wavelength selective filters are high pass or low pass filters.

A touch panel-use transparent conductive laminate film little in coloring of transmitted beam and high in transmittance. The transparent conductive laminate film (100) comprises an intermediate layer (B) laminated on a transparent substrate(A) and having an optical film thickness of 100-175 nm, and a conductive layer (C) having an optical film thickness of 10-60 nm, the refractive index of the intermediate layer being between that of the substrate and that of the conductive layer at 1.7-1.85.

An aqueous precipitation process for the preparation of particles comprising primarily silver sulfate, comprising reacting an aqueous soluble silver salt and an aqueous soluble source of inorganic sulfate ion in an agitated precipitation reactor vessel and precipitating particles comprising primarily silver sulfate, wherein the reaction and precipitation are performed in the presence of an aqueous soluble organo-sulfate or organo-sulfonate additive compound, the amount of additive being a minor molar percentage, relative to the molar amount of silver sulfate precipitated, and effective to result in precipitation of particles comprising primarily silver sulfate having a mean grain size of less than 50 micrometers.

A treatment composition for producing acquisition fluff pulp, the treatment composition being a mixture of a cross-linking agent and a modifying agent. The cross-linking agent may be a polycarboxylic acid. The modifying agent may be a material that is water soluble non-anionic, non-polymeric material, and can function as debonder and plasticizer. A method of producing acquisition fluff pulp using the treatment composition involves treating a cellulosic base fiber with a treatment composition solution to impregnate the fiber with the treatment composition, and then drying and curing the impregnated fiber. The resultant acquisition fluff pulp may be utilized in an acquisition layer and / or an absorbent core of an absorbent article intended for body waste management.

The invention discloses a composite reagent for deep removal of heavy metals in wastewater and a preparation method thereof. The composite reagent is prepared from the following raw materials in parts by weight: a component A including 20-30 parts of modified attapulgite powder, 30-50 parts of a modified natural high molecular polymer and 0-3 parts of a surfactant; a component B namely an inorganic flocculating agent, wherein the weight ratio of the component A to the component B is (2.5-8.3):1. The composite reagent disclosed by the invention has very strong adsorption, chelating and flocculation performances on heavy metal ions in water, has a plurality of effects of auxiliary reduction of COD (chemical oxygen demand), decoloration, dephosphorization and the like at the same time, and is good in treatment effect, and the preparation method is simple and easy.

The invention relates to a glass fiber reinforced plastic cable channel cover plate and a production method thereof. The cover plate is a rectangular hollow belly structure, longitudinal stiffening ribs are arranged in the hollow belly of the cover plate and the upper surface of the cover plate is provided with strip-shaped antiskid grains; the invention comprises the following raw materials: unsaturated polyester resin, curing agent, packing, polyvinyl alcohol solution, pigment, fiberglass roving and fiberglass felt; the invention comprises the following steps: (1) arranging a tooling equipment on an extrusion molding machine; (2) mixing and pouring the raw materials in a resin tank; and (3) inducing the fiberglass roving and the fiberglass felt through immersion, a performing device, a forming device, curing and cutting. The cover plate has high strength, smooth surface, neat and beautiful appearance, corrosion resistance of alkali, acid, petrol and the like, aging resistance, long service life without pulverization, discoloration, crack, deformation and the like. The invention ensures the safe operation of cables and prolongs the service life of the cables.

The present invention provides a negative-type photosensitive white composition for a touch panel, the composition including: (A) a white pigment; (B) an alkali-soluble resin; (C) a polyfunctional monomer; and (D) a photopolymerization initiator.

A light diffusing film for a back light display is described. The light diffusing film includes a unitary film consisting essentially of polycarbonate and a uniformly dispersed anti-static material in an amount sufficient to impart anti-static properties to the film. The anti-static material may comprise a fluorinated phosphonium sulfonate. The film may additionally include at least one textured surface for the low scattering of light. Alternatively, the film may additionally include a uniformly dispersed acrylic bulk scattering additive of particles having a mean particle size of from about 3 to about 10 microns and present in an amount from about 2 to about 7 percent by weight percent for the high scattering of light.

A coextruded backsheet on base of TPO layers, mainly FPP based layers and heat resistant and barrier layers, where the FPP layers dominate in the tensile strength of the backsheet by addition of fillers and the FPP layers have excellent long term heat stability by addition of specific heat stabilizers.Thanks to its relative softness, the stresses on PV cells are reduced, compared to PET based backsheet. Advantageous combinations with VLDPE based encapsulants are described.

The invention includes a method of conditioning fabrics, comprising contacting fabric with a liquid composition comprising an amino-functional silicone and a quaternary ammonium, and drying said fabric at 200 degrees F. or greater. The invention includes a method of conditioning fabrics, comprising washing fabric in a detergent having a wash pH of greater than 10, contacting fabric with a liquid composition comprising an amino-functional silicone and a quaternary ammonium, and drying said fabric at less than 200 degrees F. The invention further provides a method of conditioning fabrics wherein softness, anti-static, and anti-wrinkle properties are imparted to the fabric wherein the conditioned fabric resists yellowing in industrial and institutional conditions wherein the wash pH is greater than 9 and / or the fabric temperature is 200 degrees Fahrenheit or greater.

A processing method of sweet potato sheet jelly, comprising the following steps of cleaning raw material sweet potatoes by water, and then continuously conveying the sweet potatoes to a crusher for crushing into sweet potato slurry with the particle size smaller than 3mm, weighing the sweet potato slurry, sweet potato graham flour or / and sweet potato starch in a weight ratio of the sweet potato slurry, the sweet potato graham flour or / and the sweet potato starch, which is 1: 0-100, adding water, mixing uniformly to prepare mixed slurry, wherein the water is added so that the water content in the mixed slurry is 48-65% by weight percentage, sending the mixed slurry to a spiral extrusion molding machine for curing and molding to form the sheet jelly, conveying the sheet jelly by a continuous conveyer, automatically cutting the sheet jelly according to a fixed length, and packing through an automatic packing machine or a vacuum packing machine so as to prepare the sheet jelly product. The invention uses mechanical continuous production and has a simple processing technology. The prepared sweet potato sheet jelly product maintains the nutrient components in the sweet potatoes and the active components capable of improving human immunity, and is excellent green health food.

A refrigerator characterized by comprising storage case (35), as a partitioned portion different in temperature, placed inside a cold storage (2), wherein a light source (13) composed of an LED having a wavelength in a ultraviolet region is installed to thereby be able to inactivate the proliferative function of microorganisms deposited on the wall surfaces inside the storage case (35) and the surfaces of stored articles, whereby the hygienic conditions inside a switching chamber (6) can be maintained, discoloring, foul odor and slime on the surfaces of the stored articles caused by food microorganisms can be delayed to thereby able to always keep the interior of the storage case (35) clean and improve preservability.

Calculation of GR and GB color ratios in a local area uses a weighted average filter having weighting coefficients where the ratio of total sums of weighting coefficients for G and R pixels is 1:1, and weighted average filter having weighting coefficients where the ratio of total sum of weighting coefficients for G and B pixels is 1:1, respectively, on pixel lines in a horizontal direction and a vertical direction in a kernel. R and B pixel values are then calculated by interpolating the pixel value of a pixel to be processed with the G pixel value at the pixel position to be subjected to a demosaic process and the color ratio.

A nano-class inorganic composite antibacterial agent modified antibacterial polyester-epoxy resin powder paint is prepared from antibacterial agent (nano porous TiO2 carried Ce ions), epoxy resin polyester resin, pigment, filler, and assistant through premixing, fusing-extruding-mixing, cooling, pressing sheets, breaking, pulverizing, and sieving. Its advantages are high bacteria-suppressing rate(99% ore more), high adhesion, toughness and impact strength, and high hardness and chemical resistance.

The invention discloses an antibacterial flame-retardant ABS material and a preparation method thereof. The antibacterial flame-retardant ABS material is prepared from ABS resin, a flame-retarding agent, a coordinative flame-retarding agent, an auxiliary flame-retarding agent, a thermal stabilizer, an antibacterial master batch, a compatilizer, an antioxidant and a lubricating agent in parts by weight, wherein the antibacterial master batch is prepared from ABS and at least one of a silver ion type antibacterial agent, zinc oxide and copper oxide by a mass ratio of 10 to 1. According to the ABS material disclosed by the invention, the silver ion type antibacterial agent or the zinc oxide or the copper oxide and the ABS are used for preparing the antibacterial master batch by the mass ratio of 10 to 1, so that the silver ion type antibacterial agent or the zinc oxide or the copper oxide is effectively uniformly dispersed in the ABS resin in order to improve the antibacterial efficiency and achieve a better antibacterial effect than an antibacterial agent which is used independently; and color changes of antibacterial ABS plastic can be effectively prevented, and the antibacterial properties of the antibacterial ABS plastic can be improved.

The present invention relates to one kind of free machining high manganese Cu-Zn alloy, which consists of Cu 45- 70 wt%, Mn 7-30 wt%, Pb 0.2-4 wt%, X 0.0001-2 wt%, and Zn and inevitable impurity for the rest; where, X is at least one of elements Fe, As, P, B, Cr, Li, Ni, Sn, Al. The free machining high manganese Cu-Zn alloy has free machining performance similar to that of lead brass, lowered material cost and excellent plastic working performance, and may be used in producing plastic worked product and cast product.

A pneumatic tire has a rubber member at least partially constituting a tread portion, which member is formed of at least two layers of an outer layer on a tire surface side and an inner layer on a carcass side. A blended amount (X) of an antioxidant in the outer layer is in a range of 0.4–1.6 weight % of an entire composition, and the blended amount (X) of the antioxidant in the outer layer and a blended amount (Y) of the antioxidant in the inner layer satisfy the expression: Y≧−0.4 X2+2X. Thus, a pneumatic tire suffering less rubber degradation and alleviated in discoloring of the tire surface in prolonged use is provided.

An aqueous precipitation process for the preparation of particles comprising primarily silver sulfate, comprising reacting an aqueous soluble silver salt and an aqueous soluble source of inorganic sulfate ion in an agitated precipitation reactor vessel and precipitating particles comprising primarily silver sulfate, wherein the reaction and precipitation are performed in the presence of an aqueous soluble fluorinated additive, the amount of additive being a minor molar percentage, relative to the molar amount of silver sulfate precipitated, and effective to result in precipitation of particles comprising primarily silver sulfate having a mean grain-size of less than 50 micrometers.

According to an aspect of the present inventive concept, this and other objects are achieved by a lighting system (100) for illuminating an article (112) comprising: a lighting device (102) arranged to emit light (103) towards the article (112), wherein a spectrum of the emitted light (103) is controllable. The lighting system (100) further comprises a controller (104) configured to control the lighting device (102) responsive to detection of presence or movement of an object (110) within a detection zone (108) associated with the article (112). The controller (104) is configured to: control the lighting device (102) to emit light (103) having a first spectrum in response to absence of an object (110) or movement of an object (110) within the detection zone (108), and control the lighting device (102) to emit light having a second spectrum in response to presence of an object (110) or movement of an object (110) within the detection zone (108). The light having the first spectrum presents, in at least one wavelength interval, a lower power than the light having the second spectrum. Moreover the light having the first spectrum and the light having the second spectrum provide a corresponding level of illumination of the article (112).