38 results about "Color developer" patented technology

This invention discloses a flame-retardant PBT composite material, comprising the following components by weight: 40-73 parts PBT; 0.8-3.2 parts alkali lignin; 13-18 parts brominated flame retardant; 3-5 parts antimony trioxide; and 0.5-1 parts pentaerythritol. The weight-average molecular weight of the alkali lignin is 3000-10000. By selecting alkali lignin and pentaerythritol with specific molecular weights and using antimony trioxide as a laser color developer, this invention can effectively improve the laser marking defects of PBT composite materials modified with brominated flame retardants and has the advantage of thin-walled flame retardancy.

Disclosed is a heat-sensitive recording body which has, on one side of a paper support, a primer layer containing hollow particles having a hollow ratio of 80 to 98% and a heat-sensitive recording layer containing a leuco dye and a color developer in this order, and on the other side of the paper support, a back layer containing a pigment, wherein the back layer has a Gurley smoothness of 500 seconds or more, and the hollow particles are contained in a proportion of 5 to 30% by mass in the total solid content of the primer layer.

This invention provides a color developer for faded ink stains on Palmyra manuscripts, along with its preparation and application methods, relating to the field of cultural relic conservation and restoration technology. Specifically, it includes component A and component B; component A comprises hydrophobic fumed silica and n-butanol; component B comprises hydrophobically modified cellulose, liquid paraffin, and n-butanol; mixing components A and B yields the color developer for faded ink stains on Palmyra manuscripts. This invention uses low-cost, readily available, and environmentally friendly raw materials to prepare components A and B separately. Through a synergistic effect, the two components enhance the color and clarity of faded ink stains on the surface of the Palmyra manuscript, achieving a re-coloring effect. The prepared color developer is safe and reliable, exhibits significant color development, and also possesses excellent resistance to dry heat aging and ultraviolet aging. Furthermore, it does not alter the appearance of the Palmyra manuscript, has minimal interference with the manuscript itself, and will not damage the manuscript after use.

This application relates to a method, apparatus, device, storage medium, and program product for detecting battery pack delamination. The method includes: performing target detection on an initial image of the battery pack using a pre-trained position detection model to obtain the position information of each cell in the battery pack; wherein, in the initial image, each cell is arranged in its original position before disassembly and has been impregnated with a color developer; performing region segmentation based on the position information and the impregnation color of the color developer to determine the bottom surface image of the delamination cell, and performing semantic analysis based on the impregnation color of the color developer to identify marking information within the bottom surface image; and determining the delamination detection result of the battery pack based on the marking information within the bottom surface image. Using this application can improve detection efficiency and increase the detection accuracy of battery pack delamination.

This invention discloses a skin marking system for ultrasound imaging, a dedicated coupling agent, and its application method, relating to the field of medical ultrasound imaging auxiliary equipment and medical coupling agents. It includes a dedicated photocurable coupling agent and a specially designed ultrasound probe. The dedicated photocurable coupling agent comprises a water-soluble medical ultrasound coupling agent matrix, a photocurable hydrogel precursor, a photoinitiator, and a color developer. The specially designed ultrasound probe includes a probe housing with a built-in ultrasound transducer and a probe end face for contacting the skin. At least one ultraviolet light source is integrated in the central region of the probe end face. The relative position of the ultraviolet light source and the ultrasound transducer is spatially calibrated to establish a preset coordinate mapping relationship between the irradiation area of ​​the ultraviolet light source and the ultrasound scanning area of ​​the ultrasound transducer. This invention achieves simultaneous and precise skin marking and diagnostic guidance for ultrasound imaging through an ultrasound probe integrating an ultraviolet light source and a photocurable dedicated coupling agent.

The invention relates to the technical field of thermochromic materials, in particular to a mixture of multi-color-gamut and multi-stage controllable thermochromic microcapsules and a preparation method of the mixture, and the mixture of the thermochromic microcapsules comprises at least two thermochromic microcapsules; each thermochromic microcapsule comprises a core material and a wall material, the core material comprises a color developing agent, a leuco agent and a thermal response carrier, the melting points of the thermal response carriers of the thermochromic microcapsules are different, and the unresponsive colors of the thermochromic microcapsules have obvious chromatic aberration. The thermochromic microcapsules with different thermal reaction carrier melting points are synergistically matched, so that a mixed color which is not responded by the thermochromic microcapsules is displayed at low temperature; as the temperature rises, the thermochromic microcapsules change color in sequence from low to high according to the melting point of the thermal reaction carrier, so that clear switching of the color along with the temperature change is realized, and the requirement of multi-section temperature indication is accurately met; and multiple color gamuts can be flexibly allocated, diversified color requirements are met, and the application boundary is greatly widened.

This invention relates to a two-color erasable thermal paper and its preparation method, belonging to the field of printing consumables technology. The two-color erasable thermal paper includes, from top to bottom, a protective layer, a thermal coating layer, a base layer, and a substrate. The components of the thermal coating layer, by weight, include: 10-20 parts of filler B, 20-40 parts of color developer, 30-50 parts of adhesive resin B, 10-20 parts of dye, and 10-20 parts of temperature-regulating agent. The addition of a temperature-regulating agent to the thermal coating layer of this invention enables reversible erasing and writing, while improving its color retention performance, eliminating the need for sensitizers. The heat-insulating filler used in the base layer layer of this invention is a high-hollow-ratio material, which can enhance heat insulation and improve the heat resistance and sensitivity of the thermal two-color reversible erasable paper.

Disclosed is a phenol-free heat-sensitive recording material comprising: (a) a base material; from one side close to the base material, the coating sequentially comprises: (b) a bottom coating; and (c) a heat-sensitive layer; wherein the heat-sensitive layer includes: a first developer containing a sulfonamide compound represented by the following formula (1): wherein R1 and R2 may be the same or different and each independently represents a hydrogen atom, an alkyl group having 1-4 carbons, an alkoxy group having 1-4 carbons, or a halogen atom; one or more second color developing agents containing at least one phenyl ureide compound represented by the following formula (2): wherein R3 and R4 may be the same or different; and each independently represents a hydrogen atom, a halogen atom, a nitro group, an amino group, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an alkylcarbonyloxy group, an arylcarbonyloxy group, an alkylcarbonylamino group, an arylcarbonylamino group, an alkylsulfonylamino group, an arsulfonylamino group, a toluenesulfonyl group, a toluenesulfonyloxy phenyl group, a monoalkylamino group, a dialkylamino group, or an arylamino group; and one or more stabilizers selected from the group consisting of compounds represented by formulae (3) and (4) and derivatives thereof.

Disclosed is a heat-sensitive recording body which has, in order on a support, a primer layer containing hollow particles, a binder, and inorganic pigment I, and a heat-sensitive recording layer containing a leuco dye, a color developer, and inorganic pigment II, and which is characterized by containing, as the color developer, an N,N'-diaryl urea-based compound represented by the following formula (1) (in the formula, R2 represents an alkyl group having 1 to 12 carbon atoms, an aralkyl group having 7 to 12 carbon atoms, or an aryl group having 6 to 12 carbon atoms, and the aralkyl group and the aryl group are each optionally substituted with an alkyl group having 1 to 12 carbon atoms, an alkoxy group having 1 to 12 carbon atoms, an aryl group having 6 to 12 carbon atoms, or a halogen atom, and each R2 can be the same as or different from the others, A1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and each A1 can be the same as or different from the others), and, as the inorganic pigment II, a pigment having an oil absorption of 130 ml / 100 g or less,

The invention discloses an efficient detection device for heavy metal ions in food, the structure of the efficient detection device comprises a storage mechanism, a shunting mechanism and a detection mechanism, the lower end of the storage mechanism is installed in the upper end of the shunting mechanism in a clearance fit manner; color developing agents are accurately discharged into the corresponding placing cylinders at the upper end of the rotating base plate one by one to be in contact with food for detection work, the mode that the color developing agents are manually dripped on the food one by one for corresponding detection is replaced, and the convenience of detection of various heavy metal ions is improved; the motor is started through the control panel, the motor drives the rotating rod, the blocking pieces and the crushing cutter to synchronously rotate, the eight blocking pieces can abut against food downwards, it is ensured that the food makes contact with the crushing cutter, effective crushing work is conducted, and the crushed food forms a powder state; the powder state can be better in comprehensive contact and mixing with a color developing agent, so that the comprehensiveness and the accuracy of detection of the heavy metal ions in the food are improved.

The invention provides a hot compress material and a preparation method thereof.The hot compress material comprises a heating medium and at least one temperature change indicator mixed in the heating medium and used for monitoring the temperature of the heating medium, and the temperature change indicator is of a microcapsule structure with a core material and a wall material; the core material is composed of an electron-donating leuco dye, an electron-withdrawing color developing agent and a solvent, and the wall material is composed of resin. The visual temperature change indicator is added in the heating medium, so that the temperature change of each part of the hot compress material can be visually observed, and people can visually know whether the hot compress material reaches the preset temperature or not and whether the temperature of the hot compress material is consistent or not.

The present invention relates to a heat-sensitive recording material comprising: a support substrate having a first side and a second side facing away from the first side; and a heat-sensitive color-forming layer arranged on the first side of the support substrate, wherein the heat-sensitive color-forming layer comprises at least one color former, at least one color developer, and at least one stabilizer; wherein the at least one stabilizer is selected as a compound of formula (1), Ar 1 -SO2-NH-C6H4-SO2-C6H4-NH-CO-NH-Ar 2 , where Ar 1 and Ar 2 independently of each other are an unsubstituted or substituted phenyl residue, and / or wherein at least one stabilizer is selected as a compound of formula (2), Ar 1 -NH-CO-NH-C6H4-SO2-O-C6H4-NH-CO-NH-Ar 2 , where Ar 1 and Ar 2independently of one another are an unsubstituted or substituted phenyl, naphthyl and / or heteroaryl residue; wherein the weight ratio of stabilizer to color developer in the heat-sensitive color-forming layer is selected such that, according to stability test 1 defined in the description, after a storage period of 7 days under dry storage conditions, the remaining optical density of the heat-sensitive color-forming layer is at least 85% of the original optical density of the heat-sensitive color-forming layer before storage, and / or that, according to stability test 2 defined in the description, after a storage period of 7 days under humid storage conditions, the remaining optical density of the heat-sensitive color-forming layer is at least 80% of the original optical density of the heat-sensitive color-forming layer before storage;and / or that, according to the stability test 3 defined in the description, after a storage period of 7 days, the remaining optical density of the heat-sensitive color-forming layer is at least 70% of the original optical density of the heat-sensitive color-forming layer before storage.

The purpose of the present invention is to suppress the generation of stripes in an image forming apparatus capable of color printing and monochrome printing. The image forming apparatus (1) includes first to third developing rollers bearing a color developer, a fourth developing roller bearing a black developer, first to fourth photosensitive drums corresponding to the first to fourth developing rollers, and a processing motor driving the first to fourth developing rollers and the first to fourth photosensitive drums. And a first output gear (781), a first gear train (791), and a second gear train (792) that are disposed coaxially with the processing motor and that output driving force from the processing motor. The first gear train (791) includes a first intermediate gear (79A) that meshes with the first output gear (781), and transmits the driving force of the processing motor to the first to fourth developing rollers. A second gear train (792) is provided with a second intermediate gear that meshes with the first output gear, and transmits the driving force of the processing motor to the first to fourth photosensitive drums.

The present invention relates to an article comprising a heat-sensitive recording layer, comprising one or more specified color developers, one or more dye precursors, and one or more specified sensitizers, wherein the article is a carrierless label. The present invention further relates to a drinking container for a hot beverage with an article affixed to its exterior comprising a heat-sensitive recording layer. The present invention further relates to a method for manufacturing an article, wherein the article is a carrierless label comprising a heat-sensitive recording layer. The present invention further relates to a method for manufacturing a labeled drinking container with a hot beverage inside.The present invention further relates to more specifically defined uses of a compound according to a more specifically defined formula in combination with a more specifically defined sensitizer in a coating composition for the manufacture of an article comprising a heat-sensitive recording layer, wherein the article is a linerless label. The present invention further relates to the use of a heat-sensitive recording layer as further specified as a linerless label. The present invention further relates to corresponding kits.

The present invention aims to suppress the occurrence of a band in an image forming apparatus capable of color printing and monochrome printing. An image forming apparatus (1) includes first to fourth developing rollers that carry color developers, a fourth developing roller that carries a black developer, first to fourth photosensitive drums corresponding to the first to fourth developing rollers, a process motor that drives the first to fourth developing rollers and the first to fourth photosensitive drums, a first output gear (781) that is coaxially arranged with the process motor and outputs a driving force from the process motor, a first gear train (791), and a second gear train (792). The first gear train (791) includes a first intermediate gear (79A) that meshes with the first output gear (781) and transmits the driving force of the process motor to the first to fourth developing rollers. The second gear train (792) includes a second intermediate gear that meshes with the first output gear and transmits the driving force of the process motor to the first to fourth photosensitive drums.

To provide a thermal recording layer or thermal recording material in which discoloration over time is suppressed even in printed areas printed with low energy. [Solution] The thermal recording layer 4 contains animal-derived zinc stearate. The stearic acid in the above animal-derived zinc stearate is stearic acid derived from animal fats and oils. The content of the above animal-derived zinc stearate is 0.1 to 2% by mass based on 100% by mass of the total solids content of the thermal recording layer 4. Preferably, the thermal recording layer 4 contains a dye and a color developer having a specific structure.

Make it difficult to tamper with the information entered. [Solution] The upper substrate 10 has a copy area 10a and a non-copy area 10b connected to each other, a color-developing layer 20 laminated on the lower surface of the upper substrate 10, a middle substrate 70, a color developer layer 50 laminated on the upper surface of the middle substrate 70, an adhesive layer 30 laminated on the lower surface of the middle substrate 70, a lower substrate 60, and a release agent layer 40 laminated on the upper surface of the lower substrate 60, wherein the non-copy area 10b is located on the surface of the upper substrate 10 to which the color-developing layer 20 is laminated, The area along the non-copying area 10b of the copying area 10a is peelably attached to the intermediate substrate 70 by an adhesive layer 80, information entry areas are provided on the upper surfaces of the copying area 10a and the non-copying area 10b of the upper substrate 10, a slit 13 is formed at the boundary between the copying area 10a and the non-copying area 10b, and perforations 14 are formed that penetrate the intermediate substrate 70 on the side of the slit 13 facing the copying area 10a.

The invention discloses a highway bridge disease identification method and system, and belongs to the technical field of water channel leakage plugging. The highway bridge disease identification method comprises the following steps: S1, preparation before detection; s2, spraying a nano silane matte coating; s3, spraying a fluorescent color developing agent; s4, unmanned aerial vehicle image acquisition; s5, image processing and disease identification; s6, cleaning after detection; by spraying the nano silane matte coating, the mirror reflection rate of the surface of the to-be-detected area is reduced from 85%-90% to 25%-30%, and the reflection type is converted into diffuse reflection, so that the problems of image glare and overexposure under extreme illumination conditions such as noon strong light and backlight are thoroughly eliminated; and a fluorescence filter camera carried by the unmanned aerial vehicle is matched to collect a specific wave band fluorescence image, so that the contrast ratio of the disease characteristics and the background is improved by more than 60%, and the core defect that the existing intelligent detection technology is low in recognition precision in a strong light environment is effectively solved.

To provide a thermal recording material with excellent boil resistance in the non-printable areas. [Solution] The thermal recording body 1 of the present invention has a structure in which a thermal recording layer 4 and a low contact angle layer 5 are laminated in this order on a substrate 2. The low contact angle layer 5 is directly laminated on the thermal recording layer 4. The thermal recording layer 4 contains a compound represented by the following formula (1) as a color developer. Furthermore, the water contact angle of the low contact angle layer 5 is 40° or less. TIFF2026072067000008.tif35170 (R 1 is a hydrocarbon group having 1 to 12 carbon atoms, which may have substituents, and multiple R 1 They may be the same or different. 1 A is a hydrocarbon group having 1 to 4 carbon atoms. 1 If there are two or more A 1 n can be the same or different. n represents an integer between 0 and 4, and multiple n values ​​can be the same or different.

To provide a thermal recording medium with excellent alcohol resistance, heat resistance, and bleach resistance. [Solution] A thermal recording body comprising a thermal recording layer on a support containing at least a leuco dye, a color developer and an adhesive, wherein the main first color developer of the thermal recording layer is general formula (1): TIFF2026090861000008.tif30170 It contains a compound represented by the formula (2): TIFF2026090861000009.tif22170 A thermal recording body characterized by containing a urea urethane compound represented by and at least one selected from 5-(N-3-methylphenyl-sulfonamide)-N',N''-bis-(3-methylphenyl)-isophthalic acid diamide.

The invention discloses bait capable of being disintegrated and developed. The bait is prepared from the following raw materials in percentage by mass: 6-7% of a disintegrating agent, 50-53% of a color developing agent and 40-44% of foodstuff. According to the bait capable of being disintegrated and developed and the preparation method of the bait, fish can be attracted to actively swallow, the water swallowing and breathing conditions of the fish under the natural condition can be better simulated, and therefore the breathing path of the fish is visualized. The invention further provides a preparation method of the bait capable of being disintegrated and developed.

The invention relates to the technical field of anti-counterfeiting and color-changing ink (printing), in particular to photo-thermal double-control anti-counterfeiting ink as well as a preparation method and application thereof. The photo-thermal double-control anti-forgery ink is prepared from the following raw materials in parts by weight: 8 to 12 parts of a photo-thermal conversion agent, 15 to 20 parts of a temperature change color developing agent, 20 to 25 parts of a bio-based carrier, 10 to 15 parts of light-cured resin, 3 to 5 parts of a dispersion stabilizer, 2 to 4 parts of a base material adhesion promoter, 1 to 2 parts of a surface energy regulator and 0.5 to 1 part of a curing initiator, the photothermal conversion agent comprises black phosphorus quantum dots (BPQDs); the temperature change color developing agent comprises cholesteric liquid crystal (CLC); the mass ratio of the black phosphorus quantum dots to the cholesteric liquid crystals is (0.4-0.8): 1. The application problems that traditional anti-counterfeiting ink is high in recognition threshold, limited in packaging adaptability and prone to tampering anti-counterfeiting information are solved, the defects of one-way stimulation dependency and low anti-counterfeiting level of traditional color-changing ink are specifically broken through, and the anti-counterfeiting ink has remarkable competitive advantages in the fields of high-end anti-counterfeiting, intelligent packaging and the like.

This invention provides a thermal recording material that improves color density compared to conventional materials, and also exhibits good water resistance and light resistance, even when using an N-substituted amino acid derivative, which is biodegradable and environmentally friendly, as the color developer. [Solution] By including N-(m-tolylaminocarbonyl)-phenylalanine as the first color developer and at least one of 5-(N-3-methylphenyl-sulfonamide)-N',N''-bis-(3-methylphenyl)-isophthalic acid diamide and 1,3-diphenylurea as the second color developer, the water resistance and light resistance of the printed area are improved.

The present application belongs to the technical field of borax detection, and particularly relates to a method for improving the detection sensitivity of borax in toys. In the process of detecting the borax content in toys by using alizarin S solution, diphenylcarbazone solution is added as a color developer. By observing the color of the solution after the reaction, it can be quickly screened whether the borax in the toy clay exceeds the limit value of 3750 mg / kg, whether the borax in the crystal mud gel exceeds the limit value of 1250 mg / kg, and the toy products with excessive borax content are screened out. The detection of the borax content in the crystal mud and the toy clay is realized, and the quantitative limits of 0, 1250 and 3750 mg / kg are achieved. The method of the present application can be used for on-site rapid detection, and the operation is simple, which provides convenience for on-site rapid screening and quantification of the borax content.

To provide a thermal recording material with excellent boil resistance in the non-printable areas. [Solution] The thermal recording body 1 of the present invention has a structure in which a thermal recording layer 4 and a low contact angle layer 5 are laminated in this order on a substrate 2. The low contact angle layer 5 is directly laminated on the thermal recording layer 4. The thermal recording layer 4 contains a compound represented by the following formula (1) as a color developer. Furthermore, the water contact angle of the low contact angle layer 5 is 40° or less. TIFF0007842288000008.tif35170 (R 1 is a hydrocarbon group having 1 to 12 carbon atoms, which may have substituents, and multiple R 1 They may be the same or different. 1 A is a hydrocarbon group having 1 to 4 carbon atoms. 1 If there are two or more A 1 n can be the same or different. n represents an integer between 0 and 4, and multiple n values ​​can be the same or different.

A laminate having at least two layers of a resin layer (A) and a resin layer (B), the resin layer (A) containing a resin (a) and a pigment, the content of the pigment in the resin layer (A) being less than 50 parts by mass per 100 parts by mass of the resin (a), the content of a color developer in the resin layer (A) being less than 0.5 parts by mass per 100 parts by mass of the resin (a), the resin layer (B) containing a resin (b) and a color developer, the content of the color developer in the resin layer (B) being less than 50 parts by mass per 100 parts by mass of the resin (b), and the content of the pigment in the resin layer (B) being less than 0.5 parts by mass per 100 parts by mass of the resin (b).

The invention discloses a VOC colorimetric sensing array and a preparation method and application thereof.The VOC colorimetric sensing array comprises a plurality of colorimetric sensing units arranged on a substrate, each colorimetric sensing unit comprises a VOC sensitive chemical color developing agent and an electrostatic spinning nanofiber membrane, the VOC sensitive chemical color developing agent is loaded in the electrostatic spinning nanofiber membrane, the electrostatic spinning nanofiber membrane is loaded in the electrostatic spinning nanofiber membrane, and the VOC sensitive chemical color developing agent is loaded in the electrostatic spinning nanofiber membrane. VOC sensitive chemical color developing agents contained in the at least two colorimetric sensing units are different. According to the preparation method, an electrostatic spinning method is adopted, and a VOC sensitive chemical color developing agent is directly added into a spinning solution, so that the VOC sensitive chemical color developing agent is uniformly wrapped or immobilized in macromolecular fibers, and the nanofiber membrane sensing array with a stable'reagent-in-fiber 'structure is constructed. Compared with a colorimetric sensor prepared by a traditional dispensing method, the colorimetric sensor has the characteristics of large specific surface area, high stability, repeatability and anti-interference performance, and the reliability and comparability of a detection result are ensured.

The present invention provides a cleaner that is convenient to carry, can reliably remove contaminants adhering to the tip of a fiber optic connector ferrule, and prevents the transfer of contaminants from the ferrule tip by visualizing the cleaned area on the cleaner surface. [Solution] The cleaner sheet 1 has a back surface against which the ferrule F of the optical fiber connector P abuts. On the back surface of the cleaner sheet 1, a coating layer 11 of non-carbon ink 10 containing microcapsules 16 containing a color developer 14 and a color developer 15 is formed, and a transfer prevention sheet 20 of the non-carbon ink 10 is polymer-bonded to the back surface of the coating layer 11.

A photosensitive resin laminate and a method for forming a resist pattern. The problem is to provide a photosensitive resin laminate excellent in at least one of minimum development time, resolution, amount of side etching (SE), contrast, and bleeding. A photosensitive resin laminate characterized by having a support and a photosensitive resin composition layer formed on the aforementioned support using a photosensitive resin composition containing the following components: (A) an alkali-soluble resin, (B) a photopolymerizable compound having an ethylenic unsaturated bond, (C) a photopolymerization initiator, (D) a compound having increased absorbance in the light wavelength range of 550 to 700 nm, and (E) an organic color developer, the film thickness of the photosensitive resin composition layer being more than 0 and 10 μm or less.

The application discloses a color developing agent stabilizer and a stabilizing method. The application provides a color developing agent stabilizer, which comprises a reducing substance and a weak acid buffer. The pH of the weak acid buffer is 3.8-6.2. The reducing substance is one or more of sodium sulfite, sodium bisulfite, sodium thiosulfate or 1-mercapto glycerol. The color developing agent is one or both of a phenothiazine color developing agent or a triphenylmethane color developing agent. The color developing agent can be stably stored by using the stabilizer. The method for stably storing the color developing agent is to dissolve the color developing agent in the stabilizer. The color developing agent can be stably stored in the stabilizer for two weeks, and the stabilizer does not have an inhibiting effect on the subsequent use of the color developing agent. The application not only solves the problems of low stability and spontaneous color development of the color developing reagent, but also avoids the influence of the stabilizer on the performance of the color developing agent, and provides a new method for storing the color developing agent.