88results about How to "Improve sun resistance" patented technology

The invention relates to a water-based pigment type ink for absorbent base material spray ink printing and a preparation method and a printing method thereof. The ink comprises the following components in percentage by mass: 2 to 15 percent of pigment, 0.1 to 3.0 percent of surfactant, 2 to 20 percent of water-soluble cosolvent, 0.1 to 10 percent of film-forming aid, 5 to 35 percent of polyacrylate emulsion and 1 to 12 percent of dispersing agent and deionized water. The preparation method comprises the following steps of: (1) adding the dispersing agent and partial water-soluble cosolvent into the deionized water, emulsifying, adding the pigment, dispersing, grinding and obtaining dispersion of the pigment; and (2) stirring and uniformly mixing the surfactant, the film-forming aid and the residual water-soluble cosolvent, adding water-based polyacrylate emulsion, stirring, adding the dispersion of the pigment, stirring, filtering and obtaining the ink. The ink does not produce toxic volatile matters, is high in universality, makes printing smooth and achieves high picture precision. Meanwhile, the printed picture has excellent sunshine resistance, washing resistance, friction resistance and high fastness, and is suitable for indoor and outdoor use.

The invention provides a solvent type disperse dye ink-jet printing ink and a preparation method thereof. The ink comprises the following components in percentage by mass: 1 to 10 percent of disperse dye, 1 to 15 percent of dispersant, 0.5 to 15 percent of resin and 60 to 95 percent of organic solvent. The preparation method comprises the following steps of: adding 1 to 15 percent of dispersant and 0 to 10 percent of resin into the organic solvent, and emulsifying the mixture for 20 to 60min, adding 1 to 8 percent of dye into the mixture, grinding the mixture for 8 to 40h, and obtaining a disperse dye color paste; and adding 10 to 80 percent of disperse dye color paste and 0 to 10 percent of resin into the organic solvent, and filtering the mixture with a millipore filter between 0.2 and 2 mu m to obtain the solvent type disperse dye ink-jet printing ink. The ink has the advantages of good printing smoothness, bright lustre of patterns, and excellent sunlight fastness, washing fastness and rub resistance, and can be widely applied to multiple kinds of wide, high-speed and solvent type digital printing equipment; and the preparation method is simple and practical.

The present invention discloses a preparation method for a transference resistance leather dye, wherein an active group-containing dye, an anti-yellowing isocyanate compound, a hydroxyl group-containing polymer, a compound containing a hydroxyl group and a hydrophilic functional group, a chain extender, and the like are subjected to polymerization to obtain a product of the present invention. The dye prepared by the method of the present invention has the following advantages that: performance is stable, and transference resistance of products dyed by the dye is excellent. The method of the present invention has advantages of simple synthetic route, molecular weight adjusting, easy functionality control, and the like. The dye prepared by the method of the present invention can be used for leather dyeing, and colorant components in leather coating and synthetic leather coating.

The invention relates to sunproof water-soluble dye having the general formula (1), a method for preparing the same and application thereof. The sunproof water-soluble dye imports the group of hindered amine 4-Z-2,2,6,6-tetramethylpiperidine and the water-soluble group of sulfonic groups based on the common water-insoluble dye, so that under a condition of ensuring good water solubility of the dye, the light stability of the dye is improved, and the sunproof property of the dye is also improved. In a general formula(1), A represents a dye matrix selected from a group formed by dioxazine dye, anthraquinone dye and phthalocyanine dye which are water-insoluble; R1 represents a general formula(2): -(SO2-R)m(2); R2 represents a general formula(3): -(SO3H)n(3); in the general formula(2) and the general formula(3), m and n are both a natural number, preferably m is a natural number between 1 and 16, and n is a natural number between 0 and 2.

The invention relates to a weather-resistant azo dye with the following general formula (I) and the preparation method and application. The invention introduces chlorinated triazine groups based on common azo dyes and then after a series of condensation reactions, a novel azo dye is obtained. The azo dye contains multiple chromogenic groups, wherein, hindered amine can absorb the infrared; DSD acid (that is, 4,4'-diaminostilbene-2,2'-disulfonic acid) can absorb the ultraviolet rays; therefore, the azo dye has good light-resistant and weather-resistant properties and can be used alone or with other dyes; the azo dye can be used in textiles, paper, leather, wood, ink-jet printing ink and other aspects, which is also a good energy transfer agent. As a result of a variety of functional groups, the azo dye of the invention has better weather-resistant performance than common azo dyes.

The invention discloses a preparation method of a TiO2/PAN nanofiber membrane. The method comprises the specific preparation steps that polyacrylonitrile powder is dissolved to obtain a polymer solution; TiO2 nanocrystals are dispersed in the polymer solution to obtain a spinning solution; the spinning solution is sucked into a syringe, the syringe is fixed on an injection pump of electrospinningequipment, a spinneret is connected to a positive electrode of a high-voltage power supply at the same time, a receiving plate is connected to a negative electrode of the high-voltage power supply andcovered with aluminum foil, and electrospinning is conducted to obtain the TiO2/PAN nanofiber membrane. The preparation method is easy to operate, short in process flow and suitable for wide popularization and application, and meanwhile further has excellent catalytic and mechanical properties and broad application prospects.

The invention discloses a nanofiber membrane capable of filtering out impurities. The nanofiber membrane comprises a substrate and a nanofiber layer located on the receiving substrate; the diameter of the nanofiber layer ranges from 100 nm to 1000 nm, and the gram weight is 1-15 g/m<2>; the nanofiber layer is made of a high-molecular polymer material. In addition, the invention further discloses a preparation method of the nanofiber membrane, wherein a needle electrostatic spinning or linear electrostatic spinning or helical blade electrostatic spinning technology is adopted, electrostatic spinning process parameters and environmental conditions are adjusted, and the nanofiber membrane which filters out impurities in air and water efficiently can be prepared efficiently. Furthermore, the invention discloses application of the nanofiber membrane to air filtering products and water filtering products. The nanofiber membrane has the filtering efficiency of as high as 90% or above when used for filtering particles in air, air resistance is only 30-60 Pa, and the nanofiber membrane has the advantages of being high in flux and high in retention rate for pollution sources such as waste water.

The invention relates to a triazine type azo dye with the general formula (I) shown in the specification and a preparation method of the azo dye. A novel azo dye is obtained by introducing a chloro-s-triazine group into a general monoazo dye and performing a series of condensation reaction. The azo dye comprises a plurality of color-development groups, wherein the contained hindered amine is capable of adsorbing infrared, the DSD acid (namely 4,4'-diamino stilbestrol-2,2'-disulfonic acid) is capable of adsorbing the ultraviolet in the sunlight, and the azo dye is provided with good illumination resistance and sunshine resistance, can be singly or together used with other dyes, and can be applied to the aspects of textile, paper, leather, wood, ink-jet printing ink, and oil ink. The azo dye is a good energy transfer. By containing a plurality of functional groups, the azo dye provided by the invention has more excellent weather resistance than that of a general azo dye.

The invention relates to a raw color matching yarn and a preparation technology thereof. The raw color matching yarn is characterized in that one beam of composite yarn which is formed by melt-spinning contains two or more types of raw color fiber with different colors; each raw color fiber is a single yarn in a single color. The preparation technology comprises the following steps of metering melts of different colors by different metering pumps, enabling the melts to enter distribution plates through different melt flow passages, and enabling the distribution plates to distribute the melts into different yarn spraying holes. The raw color matching yarn has the advantages that multiple types of raw color yarns of which the colors are difficult to distinguish by naked eyes are prepared into the composite yarn by melt-spinning, so as to obtain the single-color fiber with a uniform macrostructure, the appearance of strip dyeing or piece dyeing type single-color fiber is realized, and theexistence of multiple colors in the fiber cannot be distinguished under the near-distance observation condition; the layering feel is fine, and the vision style is particular.

The invention discloses a novel reactive blue dye and a preparation method of the novel reactive blue dye. The preparation method of the compound comprises the following steps: performing condensation on cyanuric chloride and 2-[2-(4-aminobenzenesul fonamide) ethyl sulfuryl] ethoxyl-sulphating compound and then performing secondary condensation on an obtained condensation compound and 2,4-diaminobenzenesulfonic acid; reducing the temperature of the condensate and performing diazotization; performing acid coupling on the condensate and H acid; then performing alkali coupling on the condensate and diazonium salt of sodium sulfamate or 2,5-disulfonic acid-phenylamine; spraying and drying to obtain a semi-finished product. The reactive blue dye has the characteristics of bright and deep color, high dissoluvability, high compatibility, high elevating power, high fixation rate, high firmness degree of all items and the like; the dye is suitable for coloring, printing and pad-dyeing of cellulosic fibers, protein fibers, viscose fibers and polyamide, and the color fasteness to sunlight and the fastness to rubbing of the novel reactive blue dye are 0.5-1 grade more than those of the general varieties.

The invention provides a plant based light fastness improving agent and a preparation method and application thereof. The plant based light fastness improving agent is prepared form the following rawmaterials in parts by weight: 0.5-3 parts of scutellaria baicalensis extract, 1.5-3 parts of turmeric extract, 2-5 parts of sophora flower bud extract, 2-10 parts of mango leaf extract, 1-4 parts of pineapple leaf extract and 1-8 parts of cholla stem extract. The scutellaria baicalensis extract is a water extract of scutellaria roots; the turmeric extract is a water extract of a turmeric rhizome;the sophora flower bud extract is a water extract of an acacia flower; the cholla stem extract is a water extract of cholla stem roots; the pineapple leaf extract is an acetone extract of pineapple leaves; and the mango leaf extract is an extract of mango leaves in an ethanol water solution. The plant based light fastness improving agent penetrates into cotton fabrics under the action of ultrasonic wave, and fabrics with good light fastness are obtained.

The invention discloses a high-toughness flame-retardant foamed PVC wood-plastic board. The high-toughness flame-retardant foamed PVC wood-plastic board comprises PVC resin, fiber powder, nanometer light calcium carbonate, rutile titanium dioxide, methyltin mercaptide, antimony trioxide, polyacrylonitrile-based carbon fibers, a PVC flexibilizer, a coupling agent, liquid triphenyl phosphite, a PVC modification aid, chlorinated paraffin, silicone oil and an AC foaming agent. The invention also discloses a preparation method for the PVC wood-plastic board. The preparation method for PVC wood-plastic board in the invention is simple in process and easy to operate; and the prepared PVC wood-plastic board has a plurality of advantages like good thermal stability, good ageing resistance, good anti-oxidizability, good impact resistance, good wear resistance, good insulating properties and good flame resistance.

The invention discloses an active yellow dye and preparation and application thereof. The active yellow dye has a structure shown in formula (I). The active yellow dye has the advantages that the structure of monomer compound is novel, the property is excellent, the color fixation rate is good, and the color fastness rate is high; the stability is realized, the washing-resistant, abrasion-resistant and sun exposure-resistant property are good, and the binding stability with fibers is good; during dyeing, the usage amount of water is reduced, the dying duration is short, the consumption of energy sources is decreased, and the usage amount of salt is reduced; a finished product has excellent colorful degree, the production cost is low, and the active yellow dye can be popularized and applied in a large scale way.

The invention discloses an active orange dye and preparation and application thereof. The active orange dye has a structure shown in formula (I), wherein R is hydrogen, C1-5 alkyl groups, C1-5 alkoxyl groups, C1-5 carboxyl groups, aldehyde groups, sulfo groups or amide groups; Z is hydrogen or AlkSO3M, and Alk is methylene or ethylene; A1, A2 or A3 is respectively selected from self-substituted phenyl group or substituted naphthyl; M is hydrogen or alkaline metal ion. The active orange dye has the advantages that the color fixation rate and color fastness are good, the stability is good after dyeing, the color is bright, and the active orange dye can be widely applied to dyeing technologies, such as dip dyeing, roll dyeing and ink jet printing of cotton, hemp and manmade cotton fiber products; the production cost is low, and the active orange dye can be popularized and applied in a large scale way.

The invention discloses raw material particles containing sludge and polyvinyl chloride for preparing an electric wire and cable protective sleeve material and a preparation method thereof. The raw material particles are prepared from 100 parts of polyvinyl chloride (PVC), 20 to 60 parts of sludge fine powder, 0.2 to 1 part of indianite, 0.2 to 1 part of needle-shaped wollastonite, 1 to 10 parts of rutile type titanium dioxide, 10 to 30 parts of nano calcium carbonate, 5 to 20 parts of precipitated white carbon black, 10 to 30 parts of epoxidized soybean oil, 2 to 4 parts of a liquid calcium-zinc stabilizer, 4 to 10 parts of chlorinated paraffin, 0.8 to 1.6 parts of stearic acid, 1 to 5 parts of aluminate and 10 to 20 parts of dioctyl phthalate. The preparation method comprises the following steps: stirring at a high speed to prepare dispersed modified powder A; meanwhile, preparing a PVC-based modified organic carrier material B; then mixing the materials A and B while stirring at a high speed; and finally, granulating through double screw rods-single screw rod extrusion. The prepared particles can be used as a protective sleeve layer material of electric wires and cables. The environment-friendly particles prepared by the preparation method are easy to process and mold and the mechanical, electrical and anti-ageing properties of the prepared terminal protective sleeve material are excellent; and the particles can be used in fields including industrial or civilian electric wires and cables.

The invention discloses a coating material for electrostatic spraying on a polypropylene automobile bumper bar. The coating material is prepared from 8-15 parts by weight of polyurethane resin ester, 10-20 parts by weight of polyester resin, 18-28 parts by weight of modified functional resin, 5-10 parts by weight of ethyl acetate, 5-10 parts by weight of butyl acetate, 0.5-2 parts by weight of an auxiliary agent, 5-10 parts by weight of acrylic resin, 0.5-2 parts by weight of a resistance regulator and 30-40 parts by weight of colorant paste. The preparation method comprises the following steps: a. adding the polyurethane resin ester, the polyester resin, the modified functional resin, the ethyl acetate, the butyl acetate, the auxiliary agent, the acrylic resin and the resistance adjusting agent into a blending kettle and carrying out uniform stirring, b. according to the color of the automobile coating, adding 80-95% of the corresponding colorant paste into the above mixture, carrying out stirring, detecting the color of the coating film, and according to color difference, continuously adding different colorant paste to adjust the color so that the coating film color satisfies the standard, and c. carrying out detection, and when the coating film is qualified, carrying out filtration and packaging.

The invention relates to a photochromic water-based ink for textiles, and a preparation method and an application thereof. The photochromic water-based ink is prepared from a weather-proof photochromic microcapsule powder, an adhesive, a cross-linking agent, a dispersing agent, a wax emulsion, a leveling agent, a film-forming agent, a penetrating agent, a pH regulator, an antifoaming agent, an antioxidant, a preservative, a thickener and deionized water. The photochromic water-based ink for textiles makes up the defects of a commercially available photochromic oily system, realizes zero TVOC emission, meets the requirements of ecological environmental protection, makes up the defects of a commercially available photochromic aqueous system, and has the characteristics of uniform dispersion,long storage time, good stability, excellent washability, high drying speed and good processing continuity.

The invention discloses a photocatalysis antisolarization titanium dioxide marble paint. The photocatalysis antisolarization titanium dioxide marble paint comprises, by weight: 0.1-0.2 part of 2,4-dihydroxy benzophenone, 14-20 parts of photocatalysis sol, 70-80 parts of silicone acrylic emulsion, 2-3 parts of 2.2-Dimethylol propionic acid, 10-13 parts of marble powder, 0.7-1 part of azodicarbonamide, 0.8-1 part of Polyethyleneglycol monooleate, 1-2 parts of zinc pyrithione and 0.8-1 part of a cross-linking agent taic. The sol is added, the agglomeration can be effectively reduced by the marblepowder, the mechanics stability of the finished product paint film is improved, benzotriazol and titanium dioxide which have good anti ultraviolet effect are added, and the antisolarization propertycan be effectively improved.

The invention discloses a high-light-fastness acid dyestuff dyeing and finishing process. The process is characterized by comprising the following steps of S1, preparation of a gray cloth; S2, desizing; S3, preshaping; S4, alkali reduction; S5, dyeing; S6, heat shaping; S7, after-finishing. In the second step, a desizing mixed solution is prepared, and the desizing mixed solution is adopted for conducting desizing treatment on the gray cloth. In the third step, the preshaping temperature is 180-210 DEG C, the shaping time is 30-45 s, and the radial overfeed is 5-10%; in the fifth step, after the gray cloth treated in the fourth step is immersed in a dyeing solution, the temperature is increased to 80-90 DEG C, the constant temperature is kept for 20 min, heat preservation is conducted for45-60 min after the temperature continues to be increased to 125-135 DEG C, and then the gray cloth is cleaned with a cleaning solution. The process is suitable for dyeing pure polyester, ultra-fine polyester, polyester cotton and the like and has high sun resistance and high fastness, a dyed fabric can be used for a long time without fading or color losing, and the dyeing quality of the fabric isimproved.

The invention discloses a composite filling particle for preparing a high-strength light-colored non-woven fabric and a preparation method thereof and an application field thereof. The composite filling particle is composed of the following raw materials by weight: 100 parts of biomass calcium carbonate shell powder, 1-5 parts of acicular wollastonite, 1 to 5 parts of chopped carbon fiber, 1 to 2parts of rutile type titanium dioxide, 10 to 25 parts of polypropylene, 0.1 to 0.5 parts of stearic acid, 0.2 to 0.5 part of a silane coupling agent and 0.5 to 2 parts of PE wax; the preparation method is as follows: first preparing dispersed powder A, then preparing modified powder B, and finally using a single-screw-assisted twin-screw plasticization process for extruding and granulating the polypropylene and the PE wax. The composite filling particle has excellent application performance, and a prepared end product non-woven fabric has high tensile strength and can be used in the field of an industrial or civil packaging material, a filter material and the like.

The invention provides a linen fiber reinforced polypropylene automobile interior part injection molding method. According to the invention, the surface and pores of a linen fiber are filled with porous nano-scale silicon dioxide, titanium dioxide and nano crystalline cellulose, so that the toughness and light fastness of the linen fiber are improved; meanwhile, the polypropylene compatibility is improved, so that the material after injection molding has improved strength, improved durability, light fastness, antibacterial property and wear resistance, and is easy to clean; and the linen fiber and polypropylene are subjected to injection molding to obtain strips, and the strips are subjected to re-injection molding, so that the anisotropy of the linen fiber is eliminated, thereby improving the dimensional stability of the injection molding product.

The invention discloses a reactive blue dye and preparation and application thereof. The structure of the reactive blue dye is shown in a formula (I) defined in the description. The reactive blue dye is novel in structure and excellent in performance, has the good fixation rate and color fastness, can effectively lower resource consumption, has the good stability after dyeing is performed, is bright in color, can be widely applied to dip dyeing, pad dyeing, inkjet printing and other dyeing technologies of cotton fiber products such as polyeseter, fiber and artificial cotton, is low in production cost and can achieve large-scale application and popularization.