183results about How to "Strong color rendering" patented technology

A photochromic naphthopyran displays good color distribution when the naphthopyran has a central nucleus of the formula:

• • wherein F is a 5-member, 6-member, or 7-member heterocyclic ring group having only one heteroatom, the heteroatom selected from the group consisting of oxygen, sulfur, and nitrogen, the 2,3 or 3,2 positions of the heterocyclic ring fused to the g, h, or i side;
  • R₁ and R₂ are the atoms or groups providing photochromic properties to the naphthopyran.

The invention provides a Chinese medicinal herb-seaweed fertilizer composite biological agent and a preparation method thereof. Effective constituents are extracted from Chinese medicinal herbs and seaweed, which are used as main raw materials, to prepare the biological composite preparation. The Chinese medicinal herb-seaweed fertilizer composite biological agent not only reserves biological active substances in seaweed, but also enhances the drug effect of the Chinese medicinal herbs as insecticide. The biological composite preparation contains rich Chinese medicinal herbs and multiple active substances in seaweed, thereby enhancing the photosynthesis of crops, enhancing the crop yield and product quality, enhancing the drought tolerance, cold tolerance and stress tolerance of the crops, accelerating prematurity and fruit setting rate, preventing and killing various soil insects and enhancing the disease resistance of the crops. The invention has the advantages of low cost, favorable solubility and environmental protection, and is convenient for popularization.

A method corrects a color image by avenging at least two color channels in regions near the minimum of histograms of the at least two color channels; selecting the smallest of the avenge color values as a black point; averaging at least two color channels in regions near the maximum of the histograms of the at least two color channels and selecting the largest of the avenge color values as the white point; and correcting the at least two color channels by adjusting the smallest and the largest color averages to respectively match the valves of the black point and the white point to form corrected image data. A preferred method limits the adjustment to a predetermined amount of clipping of the at least two color channels.

A fluoroelastomer composition comprising (1) a fluoroelastomer consisting essentially of tetrafluoroethylene units, perfluoro(alkyl vinyl ether) units and cyano group containing perfluorovinyl ether units; (2) a specified silane coupling agent; (3) a crosslinking agent and (4) an inorganic filler. This fluoroelastomer composition enables improving the moldability of a crosslinkable composition containing an inorganic filler other than carbon black.

The invention provides a preparation method for a black polyimide (PI) film. Diamine, dianhydride and black stuffing are taken as raw materials. An addition method is provided with two, one method is that the black stuffing after being processed by coupling agent is added into polyamide acid solution for fully and uniformly mixing up, and the mixture is subjected to a tape casting method to form a film; and the other method is that polyamide acid (PAA) black composite solution is prepared via an in-situ polymerization method, and black PI film is obtained after the solution is subjected to a heat imidization treatment. The prepared PI black film has the advantages of simpleness in operation, excellent process, uniform color and remarkable uniformity of the product. The black PI film can be used as a black covering film, a black static electricity prevention film, a black anti-shielding material and the like, and has wide application in fields of a light-emitting diode (LED), a flexible printed circuit board and the like.

The present invention provides an thermosetting aqueous coating composition comprising (A) 100 parts by weight of a hydroxy- and carboxy-containing water-soluble resin having a weight average molecular weight of 500 to 200,000, a hydroxy value of 1 to 200 mg KOH/g, and an acid value of 10 to 100 mg KOH/g, and (B) 10 to 100 parts by weight of a luster pigment; the coating composition being applied so as to form a film with a thickness of 3,000 to 8,000 nm when cured; and the coating composition, when formed into a deposited coating with a solids content of 40 wt. %, having a viscosity of 4×10² to 1×10⁴ mPa·s as measured at 20° C. and a shear rate of 0.1 sec⁻¹.

The invention relates to a porous superfine polyamide 6 fully-drawn yarn, a preparation method thereof, and equipment thereof. According to the invention, existing FDY production equipment is adopted. A raw material polyamide 6 is sliced and dried; an additive is added on line; the material is subject to screw extrusion and melt extrusion; the material is then cured with a gradually cooling manner and a circular air blow cooling manner; with a reasonably selected spinning temperature of 259-262 DEG C, an air temperature in the circular air blowing process of 19-23 DEG C, a humidity of 85-95%, an air velocity of 0.35-0.45m/s, an oiling and clustering position of 700-800mm, and a winding speed of 4100-4600m/min, the porous superfine polyamide 6 fully-drawn yarn product with a specification of 55dtex/144f-75dtex/144f is prepared. Flexible operation is adopted in the preparation method. The preparation method is advantaged in simple technology and low production cost. The product is advantaged in stable performance, good yarn evenness, and good coloration property.

Provided is a tuble vegetable function fertilizer. The tuble vegetable function fertilizer is prepared from, by weight, 25-35 parts of urea, 1-5 parts of ammonium sulfate, 20-35 parts of monoammonium phosphate, 35-45 parts of potassium sulfate, 1-5 parts of organic carbon, 1-5 parts of potassum fulvic acid, 0.5-1 part of calcium superphosphate, 0.1-0.5 part of borax, 0.5-1 part of magnesium sulfate, 1-5 parts of mixed fungicide, 0.1-0.5 part of synergist and 1-5 parts of other additives. A preparation method comprises the steps that the pH value is adjusted for a fermentation waste solution, microelement is added after heating for a complexation reaction, and organic carbon is obtained; the urea, ammonium sulfate, monoammonium phosphate, potassium sulfate, calcium superphosphate, borax, magnesium sulfate, synergist and other additives are prepared into particles; organic carbon and potassum fulvic acid wrap the outer layers of the particles, and finally the tuble vegetable function fertilizer can be obtained by adding the mixed fungicide. According to the tuble vegetable function fertilizer, comprehensiveness of tuble vegetable growth nutrients is effectively guaranteed, soil insect damage is reduced, malformation of tuble crops can be prevented, and the yield is increased.

A polyester with a carbon black content of up to 20% by weight, based on the polyester, is condensed, after transesterification of DMT with diol, or after esterification of terephthalic acid with diol, with the aid of a titanium-based catalyst. The carbon black is added in the form of a carbon black dispersion together with the polycondensation catalyst to the transesterification product or esterification product. The carbon black dispersion comprises gas black or furnace black and a dispersing agent, and these are dispersed in diol. The diameter of the carbon black particles is below that of carbon black particles in a polyester using an antimony compound as catalyst.

The invention discloses a health protection tea for improving eyesight, which is prepared from mulberry seed, cassia seed, milkvetch seed, boxthorn leaf, wild chrysanthemum and green tea by a simple process. The method for processing the health protection tea for improving eyesight comprises the following steps of: preparing dried mulberries from the mulberry seed for later use; cleaning, fixing, kneading and drying the boxthorn leaves for later use; screening, cleaning and air drying the cassia seeds and the milkvetch seeds and then frying the seeds until the seeds are slightly burnt for later use; drying the picked wild chrysanthemum in the sun for later use; and mixing the processed raw materials and the green tea uniformly and packaging the mixture into small bags. Generally, every small bag can make a cup of tea with boiled water during drinking and can be taken for several times. The tea still has deep color and sweet aroma after being taken for many times; and in addition, the tea has the advantages of low cost, convenient drinking and good effect of clearing away heat and toxic material, alleviating eye fatigue and preventing myopia and other eye diseases; therefore, the tea is popular with a majority of people.

The invention relates to bacillus megaterium, a polypeptide agricultural microbial agent thereof as well as a preparation method thereof and applicationof the polypeptide agricultural microbial agent.The bacillus megaterium takes distillers' grains, soya bean meal and straw powder, which are rich in protein content, as main raw materials, and are mixed with corn flour, wheat bran, inorganic saltsand a few carbon source to reasonably compound and steam; high-yield protease bacillus subtilis is firstly utilized, the bacillus megaterium is utilized for decomposing different proteins in raw materials under a special fermentation condition to prepare the agricultural microbial agent which takes active peptides, amino acid, polysaccharides and the like as efficient ingredients; the microbial agent contains a great number of living spores, 17 free amino acids, a plurality of active peptides, and polysaccharides, and nutrient content is rich, the activity of thallus is high, and shelf life reaches two years or more; and according to the field experiment, the good effects of improving quality and increasing the yield are achieved.

The invention relates to art oil paint with nano-pigment and the preparation method, which is characterized in that the beeswax is added into refined linseed oil and polly seed salad oil and blended evenly to make bond after heating and melting. The nano-pigment is added into the bond to blend evenly and then the pigment is added in and blended evenly. Then aluminum stearate, 2-ethyl hexanol cobalt (CAS No.13586-82-8), silicon dioxide hydrate, hydrafil, phenoxetol, butyl-p-cresol and lithopone are added in and then blended evenly. The product can be obtained after grinding. The preparation method first disperses the nano-pigment into the bond and drains most air on the surface of the common pigment grain, and then disaggregates the large grain and small gobbet of the sizing agent by the large shearing force, extrusion force and grinding force between the two rollers generated by the turn of the three-roller muller. During the grinding process, the bond with nano-pigment or latex covers the surface of the pigment grain and then permeates through the gaps of the grains. The product made has the advantages of rich color, bright colour and luster, fresh tint, strong tinctorial strength and good chromaticity.

High-strength bacteriostatic antibacterial lithium disilicate glass ceramic and a preparation method thereof belong to the technical field of biological materials. In the prior art, a dental department all-ceramic restorative material obtained by doping Ag<+>, Zn<2+> and Cu<2+> in lithium disilicate glass ceramic does not exist. The high-strength bacteriostatic antibacterial lithium disilicate glass ceramic is characterized by preparing materials for matrix glass according to the weight percentage of the matrix glass, additionally determining the total weight of Ag2O, ZnO and CuO in the high-strength bacteriostatic antibacterial lithium disilicate glass ceramic according to the ratio of 0.1 to 8 percent of the weight of the matrix glass, and preparing the matrix glass by adopting a high temperature melting method, wherein the content of the Ag2O is larger than or equal to 0 percent but less than or equal to 2 percent, ZnO is larger than or equal to 0 percent but less than or equal to 5 percent and CuO is larger than or equal to 0 percent but less than or equal to 1 percent, wherein only the content of AgO2, ZnO and CuO is allowed to be equal to 0 at the same time; coring the prepared matrix glass at the temperature of 450 to 550 DEG C for 1.5 to 2.5 hours; performing three-step crystallization: crystallizing at the temperature of 650 to 680 DEG C for 1 to 3 hours, crystallizing at the temperature of 710 to 740 DEG C for 20 to 60 minutes, crystallizing at the temperature of 800 to 830 DEG C for 10 to 20 minutes, so as to obtain the high-strength bacteriostatic antibacterial lithium disilicate glass ceramic.

The present invention provides an environment-friendly natural-like artificial stone containing fly ash. A formulation and a method of producing the artificial stone is compared with the existing artificial stone. The artificial stone produced by the present invention has characteristics of higher long-term strength and density, excellent weather resistance and corrosion resistance, and also of thermal insulation and sound insulation, in some degree. It has very strong durability and color stability under a variety of adverse weather conditions, without efflorescence and coming off, and with hardly any color change.

The invention relates to a disperse yellow dye, in particular to a monoazo type composition dye which is suitable for dyeing and printing polyester fabrics and blended fabrics thereof. The dye comprises a component I which is 2-chloro-4-nitrophenylazo-N'-ethyl-3'-cyano -4'-methyl-6'-hydroxy-2'-pyridone and a component II, wherein the component II can be a component II-1 which is 4-nitrophenylazo-N'-ethyl-N'-cyanoethylaniline or a component II-2 which is 4-nitrophenylazo-N'-cyanoethyl-N'-ethyoxyl formylaniline; the ratio of the component I and the component II in percentages by weight is preferably 60-95% : 40-5% and 30-95% : 70-5%, thus a wider yellow spectrum space can be provided. In addition, the invention also contains a diffusant which is preferably MF or sodium lignin sulfonate. Theinvention has the advantages of high migration ability, high intensity, and the like and can better substitute for disperse golden yellow E-3RL (disperse yellow 23) which is forbidden at present.

The invention discloses a pyrrole pyridine salt fluorescent probe used for RNA (ribonucleic acid) and nucleolus imaging in a living cell. The structural general formula of the fluorescent probe is shown in a formula (I), wherein R<1> and R<2> represent an alkyl group, a hydroxyalkyl or an ether group. The invention also discloses application of marking or displaying distribution of RNA and nucleolus in the living cell and identifying life or death state of the cell of the fluorescent probe. The probe has the characteristics of wide application scope, good membrane permeability and low cytotoxicity and can be used for specific fluorescence imaging of RNA in the living cell.

The invention relates to wear-resisting dry particles of a soft brick with waxy luster texture and a soft retro ceramic brick. The wear-resisting dry particles are prepared from, by weight, 51.06-59 wt% of silicon dioxide, 10-20 wt% of aluminium oxide, 7-12 wt% of calcium oxide 0.2-1.4 wt% of magnesium oxide, 1-5.1 wt% of potassium oxide, 0.5-5.5 wt% of sodium oxide, 1-6 wt% of zinc oxide and 3-5.2 wt% of strontium oxide. The specific value of the aluminium oxide and the silicon dioxide is between 1:5 and 2:5, and the wear-resisting dry particles are processed into the particles with the fineness of 80-100; components of the wear-resisting dry particles and a manufacturing technology are optimized, the wear-resisting dry particles are applied to the retro ceramic brick, the weak sheen, thewear resistance and the skid resistance are effectively combined, and the retro ceramic brick is applied to various application occasions; the retro ceramic brick has soft sheen sensation under lateral light, almost no sheen sensation is generated under the squarely looking condition, the wear resistance performance reaches five grade, the emitted color is bright, and the presented color is strong.

The invention discloses a lipstick with restoring and protection effects, and a preparation method thereof. The lipstick is prepared through adding of mixed esters of C10-30 acid cholesterol/lanosterol, is provided with restoring and anti-inflammatory functions, and possesses excellent restoring effect on lip problems such as dry wrinkles, dryness, and roughness. Combination with Ganoderm composedof a plurality of functional components, the lipstick is capable of increasing lip elasticity, eliminating wrinkles, improving skin roughness, improving lip glossiness, restoring skin barrier obviously, moisturizing skin, and maintaining the moisture; adding of cyclopentasiloxane/polydimethylsiloxane copolymer, sericite, silica, trimethylpentanediol/hexanediol/glycerin crosslinked polymer is capable of improving product smearing smoothness, paving of the lipstick is convenient, velvet like feel is achieved, excellent covering powder, coloring capacity, and softening effects are achieved, no skin peeling or wrinkling is caused, make up effect is natural, and lasts long.

The invention relates to a heterogeneous white polyimide functional film and a preparing method of the functional film. The film is prepared by adopting the materials of diamine, dianhydride, white filler and a coupling agent. A target product is obtained by a preparation technology comprising in-situ polymerization and thermal imidization. The preparing method comprises the steps of controlling the contents of coloring fillers different in particle size during reaction, enabling the coloring fillers to orientationally deposit in a polymer matrix by the volatilization of a solvant during the thermal imidization, so as to prepare the heterogeneous white film with high performance. The method and the technology are controllable; a product is excellent in performance, uniform in color, and outstanding in product consistency. The heterogeneous white polyimide functional film can meet the application requests of related industries such as LED, high-order flexible printed circuit (FPC), telecommunication and photoelectric display, and can be widely applied to the corresponding field of electronics.

The invention relates to esthetic gouache color containing nano-pigments and process for preparation, in particular belonging to the technical field of paints. The invention is characterized in that natural peach glue and acacia gum are taken to be added into formula distilled water to be heated, mixed, melted and made into adhesive glue solution. After being added with nano graining paste and pigment powder which are uniformly mixed with the adhesive glue solution, the adhesive glue solution is further added with lithopone, glycerol, sodium benzoate, and phenoxetol to be uniformly mixed, the mixture forms coarse paste which is added into a hopper of a three-roll grinder to be ground, and the ground slurry flows into a storage barrel, thereby achieving finished goods. The invention is powerful and bright in color, good in dyeing force and good in chroma, not only has good usability and bright color, but also has perfect weatherability and chemical durability, which meets the high demands of artists for the gouache color for art purposes.

This invention relates to pressure indicating materials, in particular sheet materials that indicate pressure by a colour transformation. Materials and two-sheet pressure imaging means are described that comprise a first sheet material comprising a microporous membrane within which is associated a solution comprising a colour former and a second sheet comprising a colour developer.

The present invention relates to the use of esterified tall oil rosin, esterified wood rosin, esterified gum rosin, and mixtures thereof to enhance water-based flexographic ink. The products and methods of the present invention result in enhanced image clarity and resolution; enhanced image clarity and resolution as a result of elimination of most press-side imperfections such as ghosting, inefficient ink transfer and bronzing; increased ink mileage up to three times that of conventional water-based inks; achievement of fine-line details; increased gloss properties on high hold-out liners; and increased color strength and density on most paper and paperboard substrates.