149 results about "Color strength" patented technology

Disclosed is a reduced-diameter optical fiber that employs a novel coating system. When combined with a bend-insensitive glass fiber, the novel coating system according to the present invention yields an optical fiber having exceptionally low losses.

The coating system features (i) a softer primary coating with excellent low-temperature characteristics to protect against microbending in any environment and in the toughest physical situations and, optionally, (ii) a colored secondary coating possessing enhanced color strength and vividness. The secondary coating provides improved ribbon characteristics for structures that are robust, yet easily entered (i.e., separated and stripped).

The optional dual coating is specifically balanced for superior heat stripping in fiber ribbons, with virtually no residue left behind on the glass. This facilitates fast splicing and terminations. The improved coating system provides optical fibers that offer significant advantages for deployment in most, if not all, fiber-to-the-premises (FTTx) systems.

Disclosed is an improved optical fiber that employs a novel coating system. When combined with a bend-insensitive glass fiber, the novel coating system according to the present invention yields an optical fiber having exceptionally low losses.

The coating system features (i) a softer primary coating with excellent low-temperature characteristics to protect against microbending in any environment and in the toughest physical situations and, optionally, (ii) a colored secondary coating possessing enhanced color strength and vividness.

The improved coating system provides optical fibers that are useful in buffer tubes and cables having relatively high filling coefficients and fiber counts.

Disclosed is an improved optical fiber that employs a novel coating system. When combined with a bend-insensitive glass fiber, the novel coating system according to the present invention yields an optical fiber having exceptionally low losses.

The coating system features (i) a softer primary coating with excellent low-temperature characteristics to protect against microbending in any environment and in the toughest physical situations and, optionally, (ii) a colored secondary coating possessing enhanced color strength and vividness.

The improved coating system provides optical fibers that are useful in reduced-size drop cables.

A sensor that is sensitive to the presence of aqueous-based fluids is described. The sensor has a wetness indicating material immobilized or printed on a substrate. The indicating material contains at least one electron-donating leuco dye and one electron deficient receptor, and exhibits a visual signal (e.g., vivid or strong color intensity) in a dry state, which fades or disappears when in contact with a water-containing liquid. An absorbent article incorporating such a sensor to communicate to a user that the article has been exposed to water-containing fluids is also described.

Disclosed is an improved optical fiber that employs a novel coating system. When combined with a bend-insensitive glass fiber, the novel coating system according to the present invention yields an optical fiber having exceptionally low losses.

The coating system features (i) a softer primary coating with excellent low-temperature characteristics to protect against microbending in any environment and in the toughest physical situations and, optionally, (ii) a colored secondary coating possessing enhanced color strength and vividness.

The improved coating system provides optical fibers that offer significant advantages to single-fiber drop cables, such as those employed for Multiple Dwelling Unit (MDU) applications.

Disclosed is an improved optical fiber possessing a novel coating system. When combined with a bend-insensitive glass fiber, the novel coating system according to the present invention yields an optical fiber having exceptionally low losses.

The coating system features (i) a softer primary coating with excellent low-temperature characteristics to protect against microbending in any environment and in the toughest physical situations and, optionally, (ii) a colored secondary coating possessing enhanced color strength and vividness. The secondary coating provides improved ribbon characteristics for structures that are robust, yet easily entered (i.e., separated and stripped).

The optical fibers in accordance in the present invention may be incorporated into a reduced-diameter optical-fiber cable that possesses a high fiber count and a high cable fiber density. The high-fiber-density optical-fiber cable, which is suitable for deployments in ducts, is capable of achieving outstanding attenuation performance when subjected to temperature variations of between about −40° C. and 70° C.

Provided is a one-chip vitality measuring image sensor. The image sensor includes one chip where a plurality of IR pixels and a plurality of visible pixels are alternately disposed, IR pass filters which are disposed on the IR pixels, and color pass filters which are disposed on the visible pixels. In the image sensor, IR strength and color strengths are obtained from light which is incident to the IR pixels and the visible pixels, and a vitality of a subject is measured by comparing the IR strength with the color strengths.

The invention relates to the technical fields of color master batches and preparing technologies thereof, in particular to a preparing technology for color master batches, and particularly discloses a preparing technology for color master batches for high-speed spinning fibers. The preparing technology includes the steps of carrier grinding, coloring material grinding, matched material grinding, assistant grinding, mixed grinding, high-speed grinding, extrusion prilling and drying. The color master batches prepared with the technology can be easily mixed with PET product plastic, and the even coloring effect can be achieved. Dispersibility, coloring strength and covering power are improved, weather resistance, acid resistance, heat resistance and cold resistance are achieved, the chemical stability of pigment is kept, and the color master batches are more environmentally friendly and healthier in the use process.

White-pigmented and unpigmented base paints and stains are custom-tinted using an automated colorant dispenser having a minimum fluid dispensing quantity less than 0.01 fluid ounce (<0.3 cm³) and an array of colorants including a green-hued colorant having a color strength greater than that of a comparison colorant containing 12 wt. % PG7 pigment, a blue-hued colorant having a color strength greater than that of a comparison colorant containing 7 wt. % PB15:2 pigment, and a red-hued colorant having a color strength greater than that of a comparison colorant containing 17 wt. % PR209 pigment. The green-hued or blue-hued colorants are dispensed into the base paint or stain whenever a green-hued or blue-hued tint is required. Light pastel tints in small containers and strong colors in large containers may be prepared without requiring the use of additional colorants having the same general hue and lower color strength.

The invention discloses a method for detecting a printing color by using complex frequency spectrum color feature numerical values, comprising the following steps of: measuring the color of a printing matter through a visible spectrophotometer to obtain a spectrum function, and then calculating according to a complex frequency spectrum chromatic diagram and a color feature numerical value calculating method to obtain the complex frequency spectrum color feature numerical values such as a complex frequency spectrum color phase value H, a complex frequency spectrum brightness value L and the like; detecting a product color feature numerical value in real time in the printing and producing processes, and carrying out holographic detection and adjustment on the color and the contrast of the printing matter by utilizing the relation between brightness and the thickness of an ink layer, the relation between a color phase of a secondary color and color strength, the relation between gray level and the balance of three colors, i.e. yellow, pinkish red and green and the linear relation between comprehensive brightness and a dot area rate. Compared with the traditional detecting method, the method for detecting the printing color by using the complex frequency spectrum color feature numerical values has obvious advantages on the aspects such as data intuition, operability of method, effectiveness in use, economical efficiency of instruments, universality in popularization and the like, and particularly solves the problem that the two traditional indexes, i.e. three-color gray level balance and contrast linearization, are still judged mainly depending on vision and adjusted depending on experience.

The invention provides a method for preparing a natural green nano inorganic material-modified organic pigment. The natural green nano inorganic material is sepiolite; and the method comprises the following steps: initially treating the sepiolite; modifying the sepiolite; performing diazotization reaction; preparing a coupling agent and adding a pigment additive; and performing coupling reaction and pigmentation to obtain the modified azo organic pigment. The method has the advantages that: the natural green nano inorganic material sepiolite is added in the process of producing the organic pigment, so the pigment production and pigmentation are synchronously integrated, the color strength, the hiding power, the water dispersibility and the thermal stability of the azo organic pigment are improved, the cost is saved, the conventional production and modification process is shortened, and the method has good environmental benefit and economic benefit.

The invention relates to a method to improve the clarity, color depth and brilliant shade of the coating ink-jet printings of the textiles. It adopts the ink-jet printing system and the heating printing bedplate. The special steps are as follows: 1. put the heating printing bedplate on the loading platform of the printing machine and adjust its height to below the printing ink-jet head of the machine. 2. Set the temperature of the heating printing bedplate at 20 -100 deg. C. 3. Iron the textiles smoothly by an electric iron and tile it onto the bedplate. 4. Adjust the textiles surface to 2-5mm from the ink-jet head. 5. Measure the temperature of several points on the textiles surface uniformly by a hand-held infrared temperature tester to make each point has the similar temperature. 6. Set a printing pattern in the computer to fill and print by using different colors. 7. Air or dry the textiles after printing. Improving the temperature of the printed textiles by heating the printing bedplate can improve the clarity, color depth and brilliant shade distinctly.

The invention discloses a small-particle-diameter praseodymium zirconium yellow ceramic pigment which comprises the following components in percentage by weight: 3-6% of praseodymium oxide, 48-62% of zirconium oxide, 30-38% of silicon dioxide and 3-8% of a mineralizing agent, wherein the zirconium oxide selects the product which does not remove hafnium elements in the zirconium oxide production process, wherein the atom molar ratio of zirconium oxide to the hafnium elements is greater than 40:1; silicon dioxide selects silicon dioxide aerogel, wherein the BET specific surface area is 500-800 m<2>/g, the average particle diameter is 3-8 [mu]m, and the pore volume is 3-5. The praseodymium zirconium yellow pigment is small in particle diameter and relatively stable in structure, and is hard to damage in the ceramic ink preparation process. Meanwhile, the pigment is high in color strength in transparent glaze, and fine and smooth in color tone, and can be used as the high-grade ceramic pigment.

The invention belongs to the technical field of textile processing, and relates to a method for improving color depth and light fastness of natural color silk fibers, which includes steps: subjecting the natural color silk fibers to steam treatment, interlinking treatment, washing, graft treatment, washing, degumming, washing, washing, deepening and drying to obtain finished products. The naturalcolor silk fibers processed according to the technical scheme has the color depth 6-7 times of that of the natural color silk fibers conventionally scoured and degummed, and a K/S (color strength) value is increased by 582-613%, and the K/S value of the natural color silk fibers is reduced by 15-19% as compared with that of untreated natural color silk fibers. The color depth of the natural colorsilk fibers is improved evidently, and the light fastness level of the natural color silk fibers is also improved.

The invention discloses an alcohol water-soluble modified polyester ink resin and a preparation method thereof. The alcohol water-soluble modified polyester ink resin is prepared through the reaction of the following raw materials in parts by weight: 10-30 parts of dibasic acid I and/or dicarboxylic acid anhydrides, 10-30 parts of dihydric alcohol, 2-10 parts of a hydrophilic component I, 0.01-0.1 part of a catalyst, 2-15 parts of polyether glycol, 2-15 parts of dibasic acid II, 2-15 parts of diamine, 1-10 parts of a hydrophilic component II, 0.01-0.1 part of a stabilizer, 20-30 parts of an alcohol solvent, 20-30 parts of deionized water and 0.5-10 parts of a pH value regulator. Through the selection and constitutive modification of the raw materials, the prepared alcohol water-soluble modified polyester ink resin disclosed by the invention has good hydrolysis resistance and storage stability. The alcohol water-soluble modified polyester ink resin has the advantages that the hydrophilic functional groups are uniform in distribution, the molecular weight of resin is moderate, the re-dissolving performance is good, the color strength is high, the adhesive force on substrates is good, the film forming strength is high, and the alcohol water-soluble modified polyester ink resin belongs to new-generation environmental-friendly ink resin.

The invention discloses a styrene-maleic anhydride structure containing and graft-modified water-based pigment dispersant and a preparation method thereof. After a segmented copolymer is formed by using four monomers of styrene, a styrene derivative, maleic anhydride and an acrylic acid derivative to carry out free radical copolymerization, and the segmented copolymer is graft-modified by using agraft modifier to prepare the styrene-maleic anhydride structure containing and graft-modified water-based pigment dispersant. The styrene-maleic anhydride structure containing and graft-modified water-based pigment dispersant disclosed by the invention has the advantages that the steric hindrance is high, the anchoring capacity is high, a pigment can be stably dispersed in the water-based colourpaste application, the relative color strength is high, and the storage stability is higher.

A method of testing the color quality of a colored gemstone is disclosed, taking the gem color as an entirety visually composed of different color components, whose total amount of color components is constant, so as to calculate hue-purity, color-strength and relative chromaticity of the gem color to test the color quality. The method comprises the following steps: (1) determining blackness, chromaticness and hue of the gem color; (2) calculating the hue-purity, color-strength and relative chromaticity in accordance with the blackness, chromaticness and hue; (3) finding a matching color in a pre-established standard color library for this specific gemstone according to the hue-purity, color-strength and relative chromaticity calculated in step (2), and use the name of the matching color to indicate the gem color and color quality.