175results about How to "Little color change" patented technology

Ink-jet recording material having a support material and pigment layers provided on the support material, and wherein the pigment layers comprise at least a lower layer containing barium sulphate and upper layer containing an aluminum oxide.

This invention is directed to the novel composition of matter trimetrexate ascorbate, to compositions comprising trimetrexate ascorbate, and to compositions comprising trimetrexate and ascorbic acid. These compositions are useful in the treatment of diseases in mammals such as, but not limited to, cancer, bacterial and protozoal infections, malaria, psoriasis, and rheumatoid arthritis. The invention is further related to methods of stabilizing trimetrexate to degradation caused by heat, light, oxygen, or water.

A liquid crystal display device comprising a liquid crystal display in which polarizing plates A and B are provided so as to be held between a vertical orientation mode crystal cell and the corresponding liquid crystal cell, wherein the polarizing layer A comprises the polarizing plate protective films A1 and A2 and the polarizing layer B comprises the polarizing plate protective films B1 and B2, and at least one of the polarizing plate protective films A2 and B2 that are disposed at the liquid crystal cell side is a cellulose ester film Y that simultaneously satisfies the condition that retardation value Ro is 0 to 10 nm and Rt is −20 to 20 nm shown by the equation below, and at least one of the polarizing plate protective films A2 and B2 is the optical compensation film W which has an optically anisotropic layer.

An ink set for forming a multilayer of the present invention includes a group of coloring ink compositions which include a yellow, a magenta, a cyan and a black ink composition, and a clear ink composition, wherein each of the coloring ink compositions contain a (component A) radical polymerizable compound, a (component B) radical polymerization initiator and a (component D) coloring agent, and the component A contains a (component A-1) N-vinyl compound and a (component A-2) specific ethylenic unsaturated compound (CTFA), the clear ink composition contains a (component A) radical polymerizable compound, a (component B) acylphosphine oxide-based photoinitiator and a (component C) surfactant, and the relation of 0.1≦(Y / X)<1 is satisfied when the content of the radical polymerization initiator in the clear ink composition is X, the content of the radical polymerization initiator in the magenta ink composition is Y.

The invention relates to low-emissivity coated glass and a manufacturing method thereof. The low-emissivity coated glass comprises a glass substrate and coating films coated on the glass substrate, wherein the coating films comprise a plurality of dielectric medium combined layers and AZO medium unit layers which are respectively arranged between every two adjacent dielectric medium combined layer, wherein each AZO medium unit layer comprises a functional layer and an AZO medium barrier layer, and the AZO medium barrier layer is laid at two sides of the functional layer; or each AZO medium unit layer also comprises a barrier layer, and the barrier layer is laid between the AZO medium barrier layer and the functional layer; or each AZO medium unit layer comprises a functional layer, an AZO medium barrier layer and a barrier layer, and the barrier layer and the AZO medium barrier layer are respectively laid at two sides of the functional layer. The manufacturing method comprises the steps of a. setting the glass substrate; b. coating a dielectric medium combined layer on the glass substrate; c. coating an AZO medium unit layer on the dielectric medium combined layer; d. coating another dielectric medium combined layer on the AZO medium unit layer; and e. repeating the steps from step c to step d.

An optical resin film is provided, in which a wavelength dispersion of a retardation in planar direction and a wavelength dispersion of a retardation in thickness direction are independently controlled, is provided and has at least an additive having a negative intrinsic birefringence.

The invention provides a liquid crystal polyester composition and a molded body formed by the same. The molded body has reduced color variation caused by thickness difference of positions, maintained mechanical strength, and high foaming resistant characteristic. The liquid crystal polyester comprises, by weight, 100 parts of liquid crystal polyester, from 0.01 to 5 parts of titanium oxide and / or mixed metal oxides, and from 0.01 to 3 parts of ultramarine. The mixed metal oxides include titanium oxide used as a main component and a compound which is used as an auxiliary component and which contains one or more than two metallic elements selected from a group including antimony, nickel, chromium, iron, zinc, molybdenum, and tungsten.

The invention belongs to engineering area in weaving industry in which said uviofast colored spinning thread is characterized in that it includes two or more than two varied colors cotton-dispersing fibres or uviofast polyester fibre, collated with uviofast. Coefficient UPF of plus material of textile, machined by purifying uviofast colored spinning thread, for guarding ultraviolet ray, can reach more than 30 after 10 times wash measuring and the coefficient UPF of polyester fibre can reach more than 50 after 30 times wash measuring. Uviofast colored spinning thread of the invention is widely applied in various clothes, sports suit, sportswear, tame and so on.

The invention relates to an encoding mark based on colors and structural features. Four template points and two encoding points with different colors are arranged on a substrate; coordinates of the template points are known; three of the template points are positioned on an X axis, a Y axis and an origin of a coordinate system respectively; the last template point is positioned at the center of the encoding mark; the two encoding points are positioned at any two encoding point positions of a group of encoding point positions in the encoding mark; coordinates of the encoding point positions are fixed and are numerically numbered in sequence; the template points and the encoding points are red, green, blue, white, red violet, yellow, and dark green; ground colors of the template points and the encoding points are black; and the template points and the encoding points are circular. The problems that the existing encoding marks are difficult to identify and the identification rate is low are solved.

The invention discloses a refrigeration preservation method of hulled fresh lotus seeds. The refrigeration preservation method mainly comprises the following steps: (1), preprocessing fresh picked lotus seedpods at a low temperature; (2), screening the full fresh hulled lotus seeds; (3), instantly blanching; (4), protecting color, preserving and coating; (5), internally filling an iron powder drying agent small bag, and vacuum-packaging; and (6), refrigerating at a low temperature of 2-4 DEG C to obtain the hulled fresh lotus seeds. According to the refrigeration preservation method disclosed by the invention, physiological metabolism activities such as photosynthesis, respiration and evaportranspiration of the hulled fresh lotus seeds are effectively reduced, the color browning in a storage period is decreased, the appearance quality of the fresh lotus seeds is fully remained, the nutritional quality and flavor of the lotus seeds are well kept, and the effective preservation period is capable of reaching above 3 months. The refrigeration preservation method disclosed by the invention is simple in process, strong in maneuverability, small in investment, low in energy consumption, safe, and free of pollution; and the shelf life of fresh lotus seeds is greatly prolonged, and a new approach is developed for high-valued utilization of the lotus seeds.

The invention discloses a polyethylene material resistant to electron beam irradiation. The polyethylene material is prepared from the following components: A) 100 parts by weight of polyethylene resin; B) 1-9 parts by weight of a primary antioxidant; C) 1-9 parts by weight of an auxiliary antioxidant; D) 1-9 parts by weight of a hindered amine light stabilizer; E) 2-10 parts by weight of an ultraviolet light absorber; and F) 1-10 parts by weight of a light shielding agent. After the polyethylene material resistant to electron beam irradiation is irradiated by 25 kGy dosage of electron beams,the color change of the polyethylene material before and after irradiation is small, in addition, the mechanical property and the thermal stability can be basically not affected, and the radiation resistance of the material is improved. The invention further relates to preparation and application of the irradiation-resistant polyethylene material. The material can be used as a medical polymer material, such as a medical catheter material.

The invention relates to antibacterial environment-friendly wallpaper which is characterized by comprising the following steps: (1) preparing a chitosan solution; (2) preparing a glucose solution; (3) adding the glucose solution into the chitosan solution, and heating to generate a maillard reaction; (4) adding wood pulp fibers and polyester fibers into the product obtained in the step (3), pulping by using a pulping machine so as to obtain mixed slurry; and (5) performing paper-making on the mixed slurry, squeezing, drying, and coiling, thereby obtaining environment-friendly wallpaper raw paper. The method is simple in process procedure and low in cost, and the prepared wallpaper is relatively good in antibacterial performance and good in hand feeling and softness.

Disclosed is an optical sheet which has: a transparent base material having the first surface (S1) and the second surface (S2); a first light diffusion layer provided on the surface (S1) side; and a second light diffusion layer provided on the surface (S2) side. The value of the haze of the first light diffusion layer1 (%) and the value of the haze of the second light diffusion layer2 (%) satisfy the following inequalities: f(1) / (f(1)+f(2))=2 / 3 (function f(x)=1.9(ln (1-x / 90))2 when x=88, and function f(x)=22.5x-1952.5 when x>88) and (f(1)+f(2)) =12. Also disclosed is a surface light source apparatus having the optical sheet.

The present invention discloses an antibacterial agent applied to silk fiber. The antibacterial agent comprise a copolymer represented by the general formula (I), wherein E1 represents hydrogen or chlorine; R2 represents cyano, carboxylic acid or sodium carboxylic; R3 represents cyano, carboxylic acid or sodium carboxylic; m and n refer to degrees of polymerization and m plus n is equal to 8-16. The present invention also discloses the application of the antibacterial agent to preparation of antibacterial silk fiber or products and also an antibacterial silk fabric processed with the antibacterial agent. The silk fabric processed with the antibacterial agent of the present invention has good fastness to washing as well as long antibacterial effect and is resistant to luster change or yellowing.

A wavelength converter is provided with a light-transmitting substrate and with a thin film that is formed on a surface of the light-transmitting substrate and that contains a phosphor. A sintered body that constitutes the light-transmitting substrate has an average particle size of 5-40 μm. The light-transmitting substrate contains at least 10-500 ppm by mass of MgO. The principal component of the phosphor is an α-sialon that is indicated by the general formula (Caα,Euβ) (Si,Al)12(O,N)16 (provided that 1.5<α+β<2.2, 0<β<0.2, and O / N≦0.04).

The invention belongs to the technical field of medicines, and particularly relates to stable Shugeng glucose sodium injection and a preparation method thereof. The preparation method comprises the following steps that (1) medicine liquid is prepared, specifically, inert gas is blown into a liquid preparation tank, dissolved oxygen of the water for injection is monitored, raw materials of Shugengglucose sodium with prescription quantity are added into the liquid preparation tank and stirred, and the inert gas is continuously blown into the liquid preparation tank; (2) filling and sealing areconducted, specifically, after an intermediate is inspected to be qualified, sterilizing and filtering are conducted, after visible foreign matters are inspected to be qualified, filling is conducted,in the filling process, sterile inert gas is firstly used for purging an ampule bottle, and the ampule bottle is filled with the sterile inert gas; the ampule bottle is filled with the medicine liquid; and the ampule bottle filled with the medicine liquid is filled with the sterile inert gas, and the sealing of the ampule bottle is completed; (3) sterilization and leak detection are conducted; and (4) inspection and warehousing are conducted.

A decorative sheet arranged on the outside or inside of buildings is composed of a compression-molded core made from one or more core layers. The core comprises cellulose fibers and / or wood fibers, bound to one another by a hot-curing resin. Each core layer is composed of wood fibers and / or of cellulose fibers having lengths from 0.3 to 30 mm, and is containing pigments or is without pigments. The pigments are uniformly distributed within the core layer, and their proportion by weight is from above 0 to 20% by weight of the mixture made from pigments and from wood fibers and / or cellulose fibers. The pigments are colorfast, and weathering of the wood fibers and / or cellulose fibers at the surfaces of the sheet causes the original coloration of the core surfaces to change so that, when dry, the core is covered by a gray-silver patina, but substantially regains its original coloration when wet.

The invention belongs to the technical field of high polymer material, in particular relating to polyaryletherketone resin with high thermal stability and a preparation method thereof. The polyaryletherketone resin with high thermal stability is composed of polyaryletherketone resin and a thermal stabilizer, wherein polyaryletherketone resin accounts for 95-99.99 parts by weight and the thermal stabilizer accounts for 0.01-5 parts by weight. The heat-resistant polyaryletherketone resin in the invention is prepared by adopting a melt extrusion method with a double-screw extruder; the preparation method is simple, the product quality is stable and the production efficiency is high. In the method, while improving thermal stability of the polyaryletherketone resin, the original excellent mechanical property of the polyaryletherketone resin is still retained. The product has favorable melt processing stability; the change of color is tiny after melt processing of products, and the performance is stable, thus shortening the gap between the resin and overseas products and having wide application prospect.

The invention relates to a white, sealable, thermoformable, biaxially oriented and coextruded polyester film that comprises at least one base layer B and at least one sealable cover layer A, wherein at least the base layer B contains a polyester starting compound and a cycloolefin copolymer (COC). The polyester starting compound should contain an increased amount of diethylene glycol, polyethylene glycol or isophthtalic acid. The invention further relates to a method for producing the inventive polyester film and to the use thereof for thermoformed articles, especially on high-speed machines.

The invention discloses double-silver low-emissivity coated glass capable of being subjected to high-temperature heat treatment. The double-silver low-emissivity coated glass comprises a glass substrate, wherein twenty film layers are composited on a composite surface of the glass substrate from inside to outside sequentially and adjacently; the first film layer which is the innermost layer is an SiO2 layer, the second film layer is an Si3N4 layer, the third film layer is an AZO layer, the fourth film layer is an Ag layer, the fifth film layer is an NiCrOx layer, the sixth film layer is an Si3N4 layer, the seventh film layer is an AZO layer, the eighth film layer is an Ag layer, the ninth film layer is an NiCrOx layer, the tenth film layer is an Si3N4 layer and the eleventh layer which is the outermost film layer is a ZrNx layer. According to the provided double-silver low-emissivity coated glass capable of being subjected to high-temperature heat treatment, the color after heat treatment changes little, the transmittance is high, cracking of the film layers of the glass during high-temperature processing can be prevented, the integrity, uniformity and stability of the glass are kept, and the glass can be better applied to building curtain walls. The invention further provides a preparation method of the double-silver low-emissivity coated glass capable of being subjected to high-temperature heat treatment.

The invention discloses a composite material capable of bonding with metal and a preparation method thereof, and relates to the field of modified polybutylene terephthalate (PBT) or modified syndiotactic polystyrene (SPS) resin. The composite material is prepared according to the proportion of the following components, and the proportions of each component are as follows: polybutylene terephthalate / syndiotactic polystyrene 40~70; glass fiber 30~60; antioxidant 0.08 ~0.6; functional polyolefin 2~5; toughening agent 2~5; lubricant 0.1~0.5. Using injection molding method, the composite material is melted on the surface of the metal substrate with nano-holes, and injected into the nano-holes by injection molding pressure, so as to realize the integrated molding of metal and plastic. Because the present invention uses PBT or SPS with high crystallinity, after the composite material is integrated with the metal, it is not only firmly bonded to the metal, but also can withstand the subsequent strong acid and strong alkali treatment of the metal, the product color changes little, and the composite material Stable mechanical properties.

The liquid crystal panel (100) includes a liquid crystal cell (10), a first polarizer (30) on one side of the liquid crystal cell, a second polarizer (40) on the other side of the liquid crystal cell, a first optically anisotropic element (60) having a positive refractive index anisotropy disposed between the liquid crystal cell and the first polarizer, and a second optically anisotropic element (70) having a negative refractive index anisotropy disposed between the first optically anisotropic element and the liquid crystal cell. Liquid crystal molecule in the liquid crystal cell (10) is homogeneously aligned and has a pretilt angle of 0.5 DEG or less in non-electric-field state. At least one of the first optically anisotropic element (60) and the second optically anisotropic element (70) has a ratio R450 / R550 of 1.1 or more, where R550 is a retardation at a wavelength of 550 nm and R450 is a retardation at a wavelength of 450 nm.

The invention relates to a polyamide composition as well as a preparation method and an application thereof. The invention provides a polyamide composition. The polyamide composition comprises the following components: 30-70 parts of polyamide; 30 to 70 parts of chopped glass fiber; 0.01 to 1 part of an antioxidant; 0.1 to 3 parts of an ultraviolet absorber; 0-3 parts of a hindered amine light stabilizer; 0-3 parts of a phosphite ester / salt anti-aging agent, and 0.1-10 parts of color powder; wherein the polyamide composition comprises at least one or two of the hindered amine light stabilizerand the phosphite ester / salt anti-aging agent. The polyamide composition disclosed by the invention can keep the initial color of the material under the dual effects of heating moisture absorption andultraviolet light, the color change is small, and the use experience of consumers on material appearance parts is improved.

The invention belongs to the food technical field, and in particular relates to a method for preventing browning of fresh-cut Chinese yam. The method comprises the following steps: carrying out ultrasonic cleaning on Chinese yam, then peeling, slicing, soaking in a 100 ppm sodium hypochlorite solution, carrying out surface sterilization for 10 min, ventilating and draining off, soaking in an ascorbic acid and hypotaurine composite solution, and storing after treatment. The ascorbic acid and hypotaurine composite solution is selected for treating the fresh-cut Chinese yam, and the method has the advantages of simple operation, high safety, and no toxic residue on fruits and vegetables, allows the solution to be used repeatedly, and has quite high application values.

The invention provides a weather-resistant PBT / AES alloy and a preparation method thereof. The PBT / AES alloy is prepared from PBT resin, AES resin, calcium carbonate, a silane coupling agent, a compatilizer and an anti-oxidant according to a weight ratio. According to the invention, the AES resin is used as a weather-resisting agent for the alloy, so weatherability of the PBT resin is improved; a calcium carbonate particle is added, so the flexural modulus of the PBT / AES alloy is increased, injection molding shrinkage of the PBT resin is reduced, and the PBT / AES alloy is allowed to be more adaptive to unfavorable environments like an outside ultraviolet ray environment, a wet environment, a raining environment, an illumination environment and an ozone environment.

The invention relates to a preparation method for a carbon nanotube modified light-resistant waterborne polyurethane coating and adhesive. The preparation method comprises the following steps: subjecting a component A, isocyanate and dibutyltin dilaurate to a reaction according to a mass ratio of (2.5-3.0): 1: 0.02 at 50-70 DEG C and a rotating speed of 60-80 r / min for 60-90 min, then carrying outheating to 75-85 DEG C, continuing the reaction for 1-3 hours, adding 0.1-0.4 time of a modifier, 0.25-0.34 time of a polyol chain extender, 0.02-0.05 time of a filler polymer chain and 1.2 times ofwater, continuing the reaction for 1-2 h at 80-90 DEG C, then adding 0.01 time of methyl methacrylate, 0.005 time of ammonium persulfate and 0.1 time of water, carrying out a reaction at 70-80 DEG C for 1-2 h, adding 0.01 time of glyoxime and 0.005 time of 3,4,5-trimethoxybenzoic acid, and carrying out a reaction at 70-80 DEG C for 1-2 h so as to obtain the carbon nanotube modified light-resistantaqueous polyurethane coating and an adhesive. The obtained polyurethane is superior to the prior art in the aspects of light resistance, flame retardance and smoothness.