75 results about "Change pigment" patented technology

The invention discloses a temperature-sensitive color-changing paint dyeing technology of textile fabrics. The process flow is as follows: selection and composition of the temperature-sensitive color-changing paint; preparation of temperature-sensitive color-changing dye microcapsules; preparation and dyeing of a temperature-sensitive color-changing pigment printing paste, dehydration, and baking to obtain a temperature-sensitive color-changing fabric. The textile fabric is a fabric which is prepared by pretreatment of cotton, Tencel fiber, modal fiber, chemical fibre blended cotton (lanca, polyester cotton and nylon cotton), silk, wool and the like. Through combined actions of ambient temperature, temperature inside clothes and body temperature, the color of the temperature-sensitive color-changing textile obtained by the application of the dyeing technology changes when the surface temperature of the textile achieves or exceeds color-changing temperature; and when the temperature drops below the color-changing temperature, the textile turns to the original color. With the change of the temperature, the textile fabric shows unexpected color and pattern, and the pattern will change based on movement of the body. The color-changing fabric can be widely applied in T-shirt, trousers, swimsuit, casual gym suit, working clothes, children's clothing, curtain, toy and the like.

The invention relates to the technical field of coatings, and in particular to a thermochromic coating for metal, glass and ceramic and a preparation method thereof. The thermochromic coating comprises the following raw materials in parts by weight: 16-32 parts of polyurethane resin, 6-14 parts of thermosetting acrylic resin, 3-7 parts of fully-methylated amino resin, 16-34 parts of temperature-changing pigments, 0.5-1.5 parts of a levelling agent, 1-3 parts of a defoaming agent, 0.5-1.5 parts of a dispersing agent and 23-45 parts of an organic solvent. A paint film formed by the thermochromic coating disclosed by the invention is level and smooth, bright in colour, good in ductility and flexibility, excellent in adhesive force for various primers and the matrixes of metal, glass, ceramic and the like, excellent in interlayer adhesive force, capable of being re-coated, excellent in flame-retardant and high-temperature-resistant performances, capable of still keeping a high-quality and complete paint film coating in the case that a surface temperature is 200 DEG C, and excellent in acid-base resistance, boiling resistance, solution resistance, weather resistance and corrosion resistance.

The invention relates to the technical field of wallpaper, in particular to temperature sensitive ink and a preparation method, temperature sensitive wallpaper and a preparation method of the wallpaper. The temperature sensitive wallpaper is composed of a base material layer, a densification treatment layer, an ink texture layer, a temperature-sensitive reversible color changing layer and a transparent resin layer which are stacked in sequence, and ink adopted by the temperature-sensitive reversible color changing layer is formed by mixing resin emulsion, reversible temperature-sensed color-changing pigment, a cross-linking agent, a light stabilizer, a dispersing agent, a flatting agent and a defoaming agent; the temperature sensitive wallpaper obtained through printing is good in weather resistance and pattern color developing effect, multiple dynamic change forms exist, the wallpaper can be changed to be colorless from a colored state and can also be changed to be colored from a colorless state, the service time is long, and the damp and mildew proofing effect is good.

The invention relates to a multi-segment thermochromic temperature-regulating fabric. A temperature change pigment, phase-change temperature regulating microcapsules, auxiliaries and water are prepared into color paste, and then the color paste is continuously printed on a fabric by use of a flat screen or rotary screen printing process to form a textile having double effects of heat discoloration and temperature regulation. The multi-segment thermochromic temperature-regulating fabric can be widely applied to knitwears, woven products and non-woven products. The temperature change pigment is capable of changing colors by a plurality of segments, and the change of different patterns can be realized in the color change process due to the design of the printing process. The multi-segment thermochromic temperature-regulating fabric is capable of achieving the thermochromic fashionable or warning effect, and also capable of achieving the two-way regulation and delaying effects of temperature regulation, and is wide in market application prospect.

The invention discloses a normal-temperature reversible temperature-chromatic multifunctional agricultural film and a production method. The production method comprises the following steps: adding at least one kind of reversible temperature-changing pigment MC powder into polyethylene resin granules to be prepared into an allochromatic master batch, and then blowing the allochromatic master batch by a general agricultural film formulation and a blow molding technology to obtain a normal-temperature reversible temperature-chromatic three-layer composite agricultural film or a single-layer agricultural film preventing ageing and dripping; or adding at least one kind of the reversible temperature-changing pigment MC powder on the basis of colorless common ink to be prepared into temperature-changing ink; and after treating an anti-ageing or anti-dripping film surface by a laser finishing etching method, coating a temperature-chromatic ink thin layer on a substrate film by a silk screen printing method and then thermally pressing an anti-dripping or anti-aging film on the substrate film to obtain the normal-temperature reversible temperature-chromatic three-layer composite agricultural film preventing ageing and dripping. The produced multifunctional reversible temperature-chromatic agricultural film can repeatedly and reversibly change color, light transmission property, heat absorptivity, light reflection property of the agricultural film along with change of environmental temperature conditions, and can be applied to aspects of agriculture, industry, national defense, life, and the like.

The invention relates to a preparation method of an optical interference pigment, and characterized in that: by an atomic layer deposition technology, alternately depositing high refractive index and low refractive index multilayer oxide thin films on a sheet substrate, and by accurate adjustment and control of the refractive index and thickness of thin film materials, obtaining the optical interference pigment with the color changed with change of visual angles. The atomic layer deposition technology can guarantee the inherent smoothness of the sheet substrate surface, has excellent covering power, and full realizes the expression of optical interference color. The preparation method of the optical interference color change pigment is used in the industries of paints, coatings, plastics, ceramics, glass and cosmetics.

The present invention discloses a stable color-changing ink, which includes the following components in parts by weight: 10 to 60 parts of water, 0.1 to 2 parts of a pH regulator, 0.1 to 1 part of a corrosion inhibitor, 0.1 to 3 parts of a dispersant, 0.1 to 3 parts of an emulsion type lubricant, 0.5 to 10 parts of a water soluble resin, 10 to 50 parts of a microcapsule color-changing pigment, and 0.1 to 3 parts of a thickener. The present invention achieves the stability of an ink system and the stability of the writing effect, and can be used in different application fields, involving color-changing gel inks, color-changing watercolor inks, color-changing water-based inks, color-changing medium oil inks, color-changing fountain pen inks, color-changing writing brush inks, color-changing writing brush inks, color-changing inkjet inks, anti-counterfeiting inks, high-temperature disappearing inks, and other application systems.

The invention discloses a discoloring solid rubber stick and a preparation method thereof. The discoloring solid rubber stick is prepared from the following raw materials in parts by weight: 55.0-85.0 parts of water, 15.0-25.0 parts of polyvinylpyrrolidone, 5.0-10.0 parts of styrene-acrylic emulsion, 10.0-15.0 parts of acrylic emulsion, 5.0-10.0 parts of dextrin, 5.0-15.0 parts of propylene glycol or glycerin, 5.0-15.0 parts of stearic acid, 0.5-3.0 parts of sodium hydroxide, 1.0-5.0 parts of light changing pigment, 10.0-15.0 parts of calcium carbonate or kaolinite and 0.2-3.0 parts of butyl p-hydroxybenzoate. The discoloring solid rubber stick disclosed by the invention has the characteristics of high bonding strength, high bonding speed, good temperature resistance, long storage life, beautiful color, unique style and the like, can be cleaned with water and stored for long time, and is safe and environment-friendly, easy to use and wide in range of application.

The invention discloses a food and beverage outer package printed with a temperature change ink pattern, comprising a container used for filling food and beverage, wherein the outer wall of the container is provided with a temperature change ink coating which can display different colours along with the change of the temperature, the temperature change ink coating is formed by printing temperature change ink which takes two-component cladding agent, temperature change pigment, common pigment and defoaming agent as raw materials on the outer wall of the container, wherein the two-component cladding agent comprises petroleum resin and curing agent used for curing the petroleum resin. The food and beverage outer package printed with the temperature change ink pattern disclosed by the invention can be tolerant to high temperature water vapour under the conditions that the temperature is higher than 121 DEG C and the pressure is more than 0.1MPa, can display different colour effects when the temperature is increased or decreased, has good adhesion and is resistant to rub, thus the defect that the temperature change ink pattern printed in the traditional outer package can not be tolerant to high temperature high pressure water steam in the traditional sterilization process is overcome.

The invention discloses a spray gun auxiliary device capable of automatically replacing pigment and having a cleaning function. The spray gun auxiliary device comprises a main body, a switching main rod is arranged between the left side and the right side of the upper end of the main body, a left switching cavity is formed in the left side in the main body, a switching device is arranged in the left switching cavity, a left sliding box is fixedly arranged on the left wall of the left switching cavity and internally provided with a left movable cavity with a rightward opening, and the left endof the switching main rod extends into the left switching cavity, extends into the left movable cavity, and can slide in the front, rear, left and right directions. Through the mode that a spraying gun is switched in to spray a spraying pipeline firstly and then wash the spraying pipeline, after a kind of pigment is sprayed, a knob switch is rotated to start cleaning the spraying pipeline and a coating pipeline, after cleaning, the knob switch is rotated to switch different pigment in a coating cavity so as to conduct spraying again, manual cleaning and pigment replacing are not needed in thespraying process of the device, and thus the spraying efficiency is improved.

The invention relates to a method for producing a coating, in regions, on a substrate, said coating being based on a formulation, in the form of an active colour-change motif, which contains bacteriorhodopsin colour-changing pigment, and to coatings produced using a method of this type and to articles having coatings of this type. Here, the method comprises the following steps: a) printing of the substrate with the formulation, in the form of a motif, containing bacteriorhodopsin colour-changing pigment; b) partial drying of the printed substrate; c) optionally repetition of steps a) and/or b); calendering of the printed and partially dried substrate; e) complete drying of the coating.

The invention discloses a full-body color-changing light-transmitting ceramic tile and a preparation method thereof. The preparation method comprises the following steps: distributing light-transmitting powder on powder conveying equipment; sucking out the light-transmitting powder in a corresponding area according to a predetermined pattern texture, and backfilling the light-transmitting color-changing powder in the area corresponding to the pattern texture at the same time; conveying the powder on the conveying equipment to forming equipment, and pressing and forming to obtain a ceramic green body; and firing the ceramic green body to obtain the full-body color-changing light-transmitting ceramic tile with at least part of textures having a color-changing and light-transmitting effect. According to the preparation method of the full-body color-changing light-transmitting ceramic tile provided by the invention, a color-changing pigment is added into the light-transmitting powder for coloring to form the light-transmitting color-changing powder, and the light-transmitting color-changing powder is distributed in a special distribution mode to form required textures and show full-body texture.

The invention discloses a reversible temperature change erasable neutral ink composition and its manufacturing method. The composition comprises the following components by weight: (a) 30-50 parts of a reversible temperature change pigment; (b) 2-5 parts of a shear thinning viscosity conditioning agent; (c) 0-5 parts of a viscosity stabilizer; (d) 5-20 parts of a moisturizing wetting agent; (e) 0.05-0.5 part of an antiseptic antimildew agent; and (f) 14.5-72.95 parts of deionized water. The total weight of the components (a)-(f) accounts for 95-100% of the total weight of the composition. The neutral ink provided in the invention has excellent writing performance, instantaneous erasability, long time erasability as well as excellent rewriting performance.

The invention relates to an anti-forgery ink having color changes after laser radiation and application thereof. The anti-forgery ink is prepared from the following raw materials by weight: 20 to 30% of a temperature-change pigment, 5 to 20% of an infrared absorption material, 1 to 5% of a coloring agent, 20 to 40% of a resin, 5 to 10% of plant oil, 5 to 10% of an auxiliary agent and 15 to 30% of a solvent. Offset ink, numbering machine ink, photogravure ink, intaglio ink or silk-screen printing ink according with printing standards can be prepared from the anti-forgery ink for anti-forgery printing of packaging materials or bills. Compared with the prior art, the anti-forgery ink provided by the invention has the advantages of great anti-forgery capacity, easy manufacture, a wide application scope, etc.

The invention discloses an environment-friendly cigarette pack flexible water-based printing ink production process. The ink is prepared from a double-component covering agent, a temperature range pigment, a normal pigment and an antifoaming agent serving as raw materials, wherein the double-component covering agent comprises petroleum resin and a curing agent for curing the petroleum resin; and the ink comprises the raw materials in parts by weight respectively: 40-70 parts of petroleum resin, 10-30 parts of curing agent, 10-40 parts of temperature change pigment, 0-20 parts of normal pigment and 2-8 parts of antifoaming agent. The process comprises the following steps of: accurately mixing, stirring and dispersing the raw materials according to a production formula proportion; stirring for 30-45 minutes; grinding normally for four times; controlling the fineness of the particles after grinding to be 10-15 mum; and detecting. According to the production process, the defects in the prior art are overcome; and after being printed, the ink is alcohol-resistant, water-proof, anti-freezing, wear-resistant, anti-scratch, environment-friendly, nontoxic and tasteless, has good gloss and is not volatized.

The invention discloses a preparation method of an ultraviolet light-sensitive reversible color-changing coating for road pavement identification, and a practical application of the ultraviolet light-sensitive reversible color-changing coating for road pavement identification in road engineering. The preparation method comprises the following steps: grinding op powder, PS plastic particles, fluorescent powder and titanium dioxide powder to 6-12 [mu] m, mixing to prepare an ultraviolet light sensation reversible color-changing pigment filler, adding the pigment filler into a mixed emulsion formed by mixing bimolecular polyurethane resin and a polyurethane diluent according to a ratio of 1.5: 1, heating to 40 DEG C at a constant temperature, pre-stirring, adding a tetrahydrofuran (THF) solvent, a coalescing agent (dicyclopentenyl oxyethyl acrylate), a dispersing agent (triethylhexyl phosphoric acid) and a modifier (an antioxidant and a light stabilizer), and fully stirring to obtain thecoating. The method has the advantages of simple preparation instrument, stable property of the prepared coating, obvious color effect of the coating and the like, is simple to apply in road engineering, and can easily meet the engineering requirements in the existing road engineering.

The invention relates to the technical field of adhesive tapes, in particular to a temperature-change flame-retardant pressure-sensitive adhesive tape and a preparation method thereof. The pressure-sensitive adhesive layer in the temperature-change flame-retardant pressure-sensitive adhesive tape of the invention comprises the following raw materials by mass percentage: adhesive 30-50%, cure agent0.01-0.05%, solvent 30-50%, flame retardant 5-15% and temperature change pigment 5-15%, and that color change range of the temperature change pigment of the present invention is 100-150 DEG C, according to the color change, timely warning can be performed, so that operators have time to respond, and the adhesive tape is safe to use. The preparation method of the temperature--change flame-retardant pressure-sensitive adhesive tape is simple in process and easy to operate, meets the requirements of industrial production, and the prepared adhesive tape can be temperature-varying and has good flame retardant performance.

The invention relates to a preparation method of an optical interference color-change pigment with relatively high saturation degree. The preparation method is characterized by comprising the following steps: alternately depositing oxide films with high refractive index and low refractive index on the mica or metal sheet or glass sheet substrate by the atomic layer deposition technology; and depositing multiple layers of medium-refractive index multi-layer films gradually changing in refractive index between the two layers of films, and accurately controlling the refractive index and thickness of each film layer material to obtain the optical interference color-change pigment with relatively high saturation degree. The atomic layer deposition method can guarantee the inherent smoothness of the surface of the sheet substrate, the good covering ability is achieved, and the expression of optical interference color is sufficiently realized.

The invention discloses a temperature-sensitive color-changing art coating and a preparation method thereof. The coating comprises the following raw materials in percentage by weight: 50-60 parts of water, 5-8 parts of reversible color-changing pigment, 8-10 parts of calcium carbonate, 3-5 parts of auxiliaries, 5-8 parts of titanium dioxide, 5-8 parts of kaolin, 2-3 parts of dihydric alcohol, 10-15 parts of silicon-containing acrylic polymer, 5-10 parts of temperature sensing agent, 8-10 parts of inorganic pigment, 10-12 parts of acrylic resin, 8-12 parts of mannitol and 2-5 parts of alkylphenol polyoxyethylene ether. The coating has the advantages of super-strong adhesive force, good stability, good light resistance, good heat resistance, good aging resistance and the like; in addition, the coating also has the advantages of high chemical resistance and fullness, and can be used as an auxiliary film-forming substance to be combined with the modified temperature sensing agent with good wear resistance and chemical resistance, and the reversible temperature indicating coating with excellent performance can be obtained under the reasonable proportion of the modified temperature sensing agent, the wetting agent and the defoaming agent.

The invention provides a temperature-changing ink, which comprises, by weight, 30-60 parts of an aqueous acrylic resin, 15-40 parts of a petroleum resin, 1-2 parts of calcium carbonate, 5-10 parts ofa temperature-changing pigment, 3-6 parts of a dispersant, 3-8 parts of an antifoaming agent, and 2-5 parts of an anti-settling agent. According to the present invention, the temperature-changing inkhas good temperature change effect, wherein the temperature change reaction is a reversible reaction; and with the temperature-changing ink, the printed product has bright color, and does not easily fade.

The invention discloses a municipal road marking machine which comprises a base, a mixing box is fixedly connected to the upper surface of the base, a first through hole is formed in the inner bottomwall of the mixing box, and a cover plate is rotatably connected to the interior of the first through hole. According to the municipal road marking machine, the mixing box and the conversion box are arranged in a matched mode, when the municipal road marking machine is used, a rotating rod is rotated through a handle, a cover plate is opened, fuel in the mixing box flows into the conversion box and finally flows into the marking box, and when pigment needs to be replaced, the rotating rod is rotated through the handle, the cover plate is closed, and then through rotation of a third motor, themotor drives the first screw rod and the second screw rod to rotate to drive the partition plate to slide, so that pigment in the other partition bin flows out through the first through hole, then theother rotating rod is rotated through the other handle, the other cover plate is opened, fuel in the mixing box flows into the conversion box and finally flows into the scribing box, and therefore the purpose of conveniently replacing the pigment is achieved.

The invention belongs to the technical field of spraying equipment, and particularly relates to a color plating device for aerospace mold production. The device comprises a spraying mechanism, an adjusting mechanism, a recycling mechanism, a pattern spraying mechanism, a drying mechanism and a heating mechanism. The spraying mechanism comprises a mechanical arm used for automatic spraying operation, a mounting platform connected to the driving end of the mechanical arm and spraying heads mounted on the mounting platform and used for spraying materials. The adjusting mechanism comprises a first motor installed on the mounting platform. According to the color plating device, through the adjusting mechanism, paint sprayed out of the multiple spraying heads can be intensively mixed and then sprayed to a model, paint mixing color plating operation is achieved, paint does not need to be replaced, paint can be taken or used in a mixed manner from multiple sets of paint tanks connected with the spraying heads, and sprayed inner and outer openings can be adjusted; and therefore, the spraying area and thickness are adjusted, the spraying effect is better, the device can be lifted for use when not used, and the practicability is higher.

The invention discloses an optical color-changing material and a preparation method thereof. The preparation method of the optical color-changing material comprises the following steps of: preparing afirst optical color-changing material by adopting a physical vapor deposition method; and carrying out heat treatment on the first optical color-changing material to obtain a second optical color-changing material. In this way, the hue saturation, brightness, acid resistance, alkali resistance and other properties of the optical color-changing pigment or film can be improved.

The invention relates to a temperature-sensing and color-changing lampshade comprising a lampshade body. A discoloring pattern coating, a discoloring letter coating or the combination of the discoloring pattern coating and the discoloring letter coating is arranged on the outer surface of the lampshade body; the discoloring pattern coating or the discoloring letter coating comprise the following preparation raw material ratio by weight parts: 50-80 parts of petroleum resin, 12-30 parts of curing agents, 15-45 parts of temperature-changing pigments, 0-20 parts of printing ink pigments and 1-6 parts of defoaming agents. The temperature-sensing and color-changing lampshade has the beneficial effects that according to different demands under different conditions, a discoloring pigment layer is arranged on the outer layer of the lampshade or discoloring patterns and letters are arranged on the outer layer of the lampshade, so that the temperature-sensing and color-changing lampshade has the characteristics of strong stereoscopic sensation, bright colors, gradually changeable colors along with the temperature change, strong adhesion, durability and the like, also plays the role of discoloring at the temperature of -5-65 DEG C and is widely applied to plastic lampshades, glass lampshades, metal lampshades, weaving lampshades, paper lampshades, ceramic lampshades and the like.

The invention relates to a thermal shrinkage terminal, which comprises a connecting column, a first blind hole, a second blind hole, at least two first long grooves, at least two second long grooves and a thermal shrinkage type transparent bushing, wherein the first blind hole and the second blind hole are formed in the two end faces of the connecting column respectively; the first long grooves are formed in the side wall of the connecting column, the second long grooves and the thermal shrinkage type transparent bushing are arranged on the side wall of the connecting column, the thermal shrinkage type transparent bushing comprises a first part sleeving the connecting column, and a second part and a third part which respectively extend outwards from two ends of the first part, a first thermal shrinkage ring is arranged on the inner wall of the second part, a second thermal shrinkage ring is arranged on the inner wall of the third part, and the surface of the first thermal shrinkage ring and the surface of the second thermal shrinkage ring are both coated with a wet water color-changing pigment. The thermal shrinkage terminal is used for connection of electrical circuits, can display water vapor infiltration, and provides a reference basis for maintenance or replacement.