28 results about "Fixation agent" patented technology

The color migration prevention polyurethane composite film is prepared from the following raw materials in parts by weight: 40 to 50 parts of crystalline modified polyurethane, 30 to 40 parts of waterborne polyurethane, 10 to 15 parts of vinyltriethoxysilane, 5 to 8 parts of graphene, 5 to 8 parts of color fixing agent, 6 to 8 parts of toner and 1 to 3 parts of silicon dioxide. According to the color migration prevention polyurethane composite film and the preparation method thereof, the obtained polyurethane composite film has excellent color migration prevention and washing resistance effects.

The invention discloses a preparation method of a novel environment-friendly chlorine-resistant color fixing agent, which comprises the following steps: 1) preparing an intermediate: adding polyethylene glycol into a reaction bottle, dehydrating for 1 hour at 120 DEG C under the relative vacuum degree of-0.1 MP, cooling to below 60 DEG C, adding TD I and a solvent, carrying out heat preservation reaction for 1 hour at 60-65 DEG C, and cooling to obtain a polyurethane prepolymer; wherein TDI (toluene diisocyanate) is a mixture of 80% of toluene-2, 4-diisocyanate and 20% of toluene-2, 6-diisocyanate; (2) slowly dropwise adding the polyurethane prepolymer in the step (1) into polyethyleneimine, controlling the temperature to be lower than 40 DEG C during the period, then adding an end-capping reagent, carrying out heat preservation reaction for 1 hour, and adding water to prepare an intermediate product; 2) preparing an environment-friendly chlorine-resistant color fixing agent: adding the intermediate in the step 1) into a reaction bottle, stirring, slowly dropwise adding a cationic etherifying agent, and controlling the temperature to be 20-40 DEG C; and after dripping, carrying out heat preservation reaction for 3-5 hours, controlling the temperature at 60-80 DEG C, finally adjusting the pH value to 5-7 by using glacial acetic acid, and cooling to obtain the environment-friendly chlorine-resistant color fixing agent. The color fixing agent has good chlorine-resistant color fastness and color fixing effect.

The invention provides a high-fastness color fixing agent and a preparation method and application thereof, and belongs to the technical field of textile auxiliaries, the high-fastness color fixing agent comprises the following raw materials in parts by weight: 25-40 parts of a quaternary ammonium salt type epoxy curing agent, 5-15 parts of epoxy silane, 10-20 parts of a hydrophobic styrene derivative, 0.5-2 parts of an initiator, 25-60 parts of water and a pH regulator, and the pH regulator is used for adjusting the pH of a system to 5.5-6.5. According to the color fixing agent, quaternary ammonium salt, epoxy silane and hydrophobic styrene are combined for use, the color fixing stability and dry and wet rubbing fastness of the color fixing agent can be improved, meanwhile, the hand feeling and softness of a fabric are improved, and the color fixing agent has good chemical resistance and environmental stability.

The invention discloses a synthetic method of a water-based polyurethane color fixing agent for nylon dyed by an acid dye, aiming at the property of nylon dyed by the acid dye, poly (butylene adipate-1000) and polyethylene glycol-1000 are mixed to prepare cationic water-based polyurethane, so that the dyeing percentage is increased, and the treated nylon has higher K / S value and color fastness; meanwhile, N, N-dimethyl-N, N-bis (2-ethoxyl) ammonium chloride is selected as a cationic chain extender of the waterborne polyurethane, compared with a traditional cationic chain extender, a neutralization procedure necessary for a traditional route is omitted, the risks of neutralization amount deviation, local acid excess and the like are avoided, and the production process is simplified.

The invention belongs to the field of leather finishing auxiliaries, and particularly relates to a leather powder fixing agent and a preparation method thereof. The leather powder fixing agent is prepared from the following raw materials in parts by weight: 5 to 20 parts of polyvinyl alcohol, 10 to 20 parts of wax emulsion, 3 to 10 parts of matting filler, 10 to 20 parts of polyurethane brightener, 5 to 15 parts of organic silicon feeling agent emulsion and 40 to 70 parts of water. The preparation method comprises the following steps: dissolving polyvinyl alcohol, adding other raw materials, stirring and filtering. The product has excellent powder fixation and color fixation effects on split leather, can maintain good hand feeling and velvet feeling of leather, has small influence on color, and is suitable for industrial production.

The invention belongs to the technical field of textile dyeing and finishing production, and discloses a cationic color fixing agent and a preparation method thereof.The cationic color fixing agent is obtained by conducting self-polymerization on dimethyl diallyl ammonium chloride and then conducting cross-linking, and in the cross-linking process, the mass ratio of a dimethyl diallyl ammonium chloride self-polymer to a cross-linking agent is 70-80: 1-4; the cross-linking agent is selected from at least one of pentaerythritol triallyl ether, methyl triallyl silane, tetraallyl silane and triallyl (phenyl) silane, the molecular weight of the cationic monomer is firstly increased by synthesizing the self-polymer, and then cross-linking is performed, so that the gel risk is reduced.

The invention discloses a compound color fixing agent and a preparation method and application thereof, and belongs to the technical field of papermaking chemicals, the preparation method of the compound color fixing agent comprises the following steps: adding a bio-based polycation component into an acetic acid solution, heating and stirring to obtain a bio-based polycation stock solution; and adding amphiphilic polycyclodextrin and a surfactant into the bio-based polycation stock solution, and carrying out homogenization treatment to obtain the compound color fixing agent. The compound color fixing agent provided by the invention comprises bio-based polycations, amphiphilic polycyclodextrin and a surfactant, the amphiphilic polycyclodextrin with a hydrophobic cavity is connected with C3-C5 alkyl and quaternary ammonium salt groups, through a multi-component compounding design, by utilizing a synergistic effect of host-guest inclusion, electrostatic interaction and hydrophobic interaction, the color fixing agent has a good color fixing effect, and the color fixing agent has a good color fixing effect. And a coating with an interpenetrating network structure is constructed on the surface of the paper, so that fixation of the dye is realized.

The invention relates to a temperature-sensitive-pH dual-response environment-friendly color fixing agent for hemp as well as a preparation method and application of the color fixing agent. The color fixing agent is prepared from the following raw materials: chitosan, N-isopropylacrylamide, a sodium hydroxide solution, ammonium persulfate, 2, 3-epoxypropyltrimethylammonium chloride, sodium chloroacetate, a dispersing agent and pure water. Chitosan is used as a base material, carboxymethyl, N-isopropylacrylamide chain segments and cationic quaternary ammonium salt groups are sequentially introduced through graft polymerization and chemical modification, a dispersing agent is compounded, and the color fixing agent is prepared and has the temperature and pH dual response characteristics, specifically, when the temperature is higher than the low critical solution temperature, the temperature-sensitive chain segments shrink, and dye is physically coated; under the acidic condition, the cationic group and the anionic dye generate electrostatic adsorption, the two mechanisms have a synergistic effect, the color fixing agent is applied to bast fiber to remarkably improve the color fixing effect, the raw materials of the color fixing agent are environment-friendly, and the preparation process is simple.

The present application relates to the technical field of fixing agent processing, and particularly relates to a processing method of fluorescent acidic fixing agent, comprising two supporting seats and a processing barrel. The processing method of the fluorescent acidic fixing agent is designed, and a horizontal processing barrel is adopted, so that the fixing agent raw materials entering the processing barrel can be uniformly mixed with fixing agent stock solution. Meanwhile, the fixing agent raw materials are scattered and fallen into the processing barrel through a dispersion assembly, so that the fixing agent raw materials are prevented from being directly poured into the fixing agent stock solution to form flocculation and be difficult to be fully mixed. In the process of stirring and mixing the fixing agent raw materials and the fixing agent stock solution, the large-particle fixing agent raw materials are crushed by an extrusion assembly, so that the large-particle fixing agent raw materials are prevented from being difficult to be mixed with the fixing agent stock solution due to sedimentation, thereby improving the mixing effect and mixing efficiency of the fixing agent and improving the quality of the fixing agent.

The application relates to a reactive dye non-steaming and non-washing printing process of cotton fabric, and the process flow is as follows: cotton fabric mercerization, cation modification, printing, and baking fixation; the color paste used for printing contains a fixing agent, and the fixing agent is sodium nicotinate; the product obtained through baking fixation has soft hand feeling, the cloth surface pH value is 6.9-7.2, the dry rubbing fastness is 4-5 levels, the wet rubbing fastness is 3-4 levels, the soaping fastness is 4-5 levels, and the cotton staining is 4-5 levels. The process does not use steaming, and does not need washing, is energy-saving and environment-friendly, the finished product has soft hand feeling, and has good dyeing effect.

The application relates to the technical field of printing and dyeing fixing agents, and particularly discloses a formaldehyde-free fixing agent and a preparation method thereof. The formaldehyde-free fixing agent is prepared from raw materials in the following proportions by weight: dimethyl diallyl ammonium chloride 81-162 parts; acrylamide 9-18 parts; ammonium persulfate 5-7 parts; epichlorohydrin 55-105 parts; tetraethylenepentamine 9-18 parts; triethylamine 4.5-9 parts; dimethylamine 9-18 parts; water 90-120 parts; triallylamine 0.5-1 part; the dimethyl diallyl ammonium chloride, the acrylamide, the ammonium persulfate and the epichlorohydrin are used for preparing product A; the tetraethylenepentamine, the triethylamine, the dimethylamine and the epichlorohydrin are used for preparing product B; the product A, the product B, the water and the triallylamine are mixed to obtain the formaldehyde-free fixing agent. The formaldehyde-free fixing agent of the application can balance the permeability and the reaction film-forming property after application, and has excellent fixing performance.

The application discloses an organic-inorganic hybrid formaldehyde-free fixing agent and a preparation method and application thereof, and belongs to the technical field of textile auxiliaries. The fixing agent is prepared by using dimethyl diallyl ammonium chloride and methacryloyloxyethyl trimethyl ammonium chloride as reaction monomers, N-vinyl pyrrolidone as an organic modifier, and trisodium phosphate and bismuth nitrate as inorganic modifiers, and the organic-inorganic hybrid crosslinking structure is formed through a polymerization reaction. The preparation method comprises the following steps: pre-complexing bismuth nitrate and citric acid, pre-activating a silane coupling agent, mixing the components, and then performing stage pH regulation, ultrasonic-assisted dispersion, high-temperature curing and other steps. The fixing agent is prepared by means of coordination crosslinking of an organic polymer chain and bismuth ions and covalent connection of a silane coupling agent, so that a double network structure is formed, the wet rubbing fastness and the soaping fastness are significantly improved, the fabric is endowed with antibacterial and ultraviolet resistance functions, the hydrophilicity and the hand feeling are improved, and the fixing agent does not contain formaldehyde, and can be widely applied to post-treatment of textile dyeing.

The invention belongs to the technical field of color fixing agent purification, and particularly relates to a method and device for removing p-methylphenol in a color fixing agent based on a steam stripping process. According to the method, by optimizing the steam stripping temperature, the vacuum degree, the steam-liquid ratio and the like, under the condition that no chemical additive is introduced, high-selectivity separation of main components of the color fixing agent and p-methylphenol is achieved. The residual quantity of p-methylphenol in the separated color fixing agent is greatly reduced, the solid content of the color fixing agent is basically unchanged, the energy consumption in the whole process is low, secondary pollution is avoided, and a technical guarantee is provided for safe and environment-friendly application of the color fixing agent.

The application discloses a high-adhesion paint applied to a stainless steel base material, which comprises the following main components in parts by weight: 100-150 parts of a resin composition, 30-50 parts of a color paste, 15-25 parts of a crosslinking agent, 1.5-5 parts of a color fixing agent, 0.8-1.5 parts of a dispersing agent, 0.4-0.8 parts of a leveling agent, 1-2 parts of an accelerator, 0.5-1 part of a weather-resistant agent, 20-40 parts of a filler and 50-75 parts of a solvent; wherein the resin composition is composed of polyurethane, acrylate, water-based polyurethane acrylate resin, organic silicon resin and epoxy resin. The resin composition is composed of polyurethane, acrylate, water-based polyurethane acrylate resin, organic silicon resin and epoxy resin, the resin composition is mixed with the color paste, the crosslinking agent makes the resin crosslink to form a three-dimensional network structure, the adhesion is greatly improved, meanwhile, the color powder molecules can be firmly locked, and the migration and oxidative decomposition of the pigment are prevented.

The present application relates to the field of fixing agent barrel production, especially to a kind of processing device after blow molding of fixing agent barrel.The rotating processing table has multiple processing stations in circular array around rotating processing table, and fixing agent barrel is rotated to pass each processing station in turn for processing;Fixing agent barrel mouth plastic cutting station is provided with cutting knife that is inserted into fixing agent barrel mouth and rotates to cut;Fixing agent barrel mouth polishing station is provided with polishing head that is inserted into fixing agent barrel mouth and polishes.The device can accurately cut and polish the excess plastic inside the blow-molded fixing agent barrel, then size the barrel mouth, and the tightening of the movable clamping jaw is guided by guide block.This design allows 6 pairs of clamping jaws to be controlled by one set of mechanical structure and control program each, simplifying the structure of the equipment and making it more reliable when achieving the desired effect.

The invention provides a chemical crosslinking formaldehyde-free color fixing agent for leather as well as a preparation method and application of the chemical crosslinking formaldehyde-free color fixing agent, and belongs to the technical field of leather chemical industry. The chemical crosslinking formaldehyde-free color fixing agent for leather provided by the invention not only completely avoids the introduction of formaldehyde and international limited substances, meets the strict environmental protection and export requirements, but also can remarkably improve the comprehensive color fastness of the dyed leather, so that the leather has excellent dry rubbing resistance, wet rubbing resistance and perspiration resistance, meanwhile, the yellowing resistance of the dyed leather is effectively improved, and the color fastness of the dyed leather is improved. Therefore, the appearance quality, the durability and the market competitiveness of the leather product are greatly improved.

This application belongs to the field of organic synthesis and discloses a formaldehyde-free fixing agent based on a triazine-latent isocyanate functional monomer. It is prepared from triazine-latent isocyanate functional monomer (TLI monomer), dimethyl diallyl ammonium chloride (DMDAAC), and diallylamine as raw materials; the mass ratio of the triazine-latent isocyanate functional monomer, dimethyl diallyl ammonium chloride, and diallylamine is 10~30:30~48:10. This fixing agent uses the TLI monomer, which simultaneously integrates a triazine structure, hydroxyl groups, polymeric double bonds, and latent isocyanate groups, as its core. Through copolymerization with DMDAAC and diallylamine, a triple synergistic fixing system of "electrostatic adsorption-hydrogen bond anchoring-covalent crosslinking" is constructed, breaking through the performance bottleneck of traditional formaldehyde-free fixing agents in terms of wet rubbing fastness, and significantly improving the wet rubbing fastness of sensitive colors such as bright red and turquoise blue.

The invention relates to the technical field of color fixing agents, and discloses an environment-friendly acidic color fixing agent which is obtained by designing and synthesizing a novel monomer structure and further synthesizing resin through condensation. The bisphenol-free environment-friendly acidic color fixing agent comprises an F-type acidic color fixing agent and an E-type acidic color fixing agent; according to the invention, the resin formed by condensation polymerization of monomers has a synergistic effect with a compound system of potassium sorbate, buffer pairs and caprolactam, so that the defects of single color fixing resin in stability and compatibility are microcosmically overcome. The buffer pair maintains a stable pH environment, so that the interaction efficiency of the resin, the dye and the fiber is guaranteed; the compatibility of caprolactam is improved, so that the resin forms a uniform and compact film layer on the surface of the fiber, the film layer falling in washing and perspiration environments is reduced, the comprehensive color fastness of washing resistance, perspiration resistance, water soaking resistance and the like is synergistically improved, and the one-sidedness of performance under a single characteristic is avoided.

This invention provides a method for suppressing slope erosion that can control slope erosion from the initial stages of construction over a long period of time. [Solution] A method for suppressing slope erosion, comprising the steps of: mixing a soil fixation agent capable of fixing the surface of the soil by being sprayed onto the soil with seeds for greening; and spraying the mixed soil fixation agent and seeds onto the slope. The soil fixation agent mainly consists of, for example, a poorly soluble polyion complex produced by mixing a cationic polymer and anionic polymer.

The application belongs to the technical field of fabric color fixing and discloses a chlorine-resistant and washing-resistant color fixing agent, which comprises a first color fixing component and a second color fixing component, the mass ratio between the first color fixing component and the second color fixing component is 1.5-3:1, the first color fixing component is obtained by polymerization of polyethylene imine and epichlorohydrin, the second color fixing component is a polyurethane color fixing agent or is obtained by polymerization of at least two cationic color fixing agents, the cationic color fixing agent is a cationic color fixing agent containing nitrogen elements, and the polyurethane color fixing agent is a polyurethane color fixing agent with -NCO as an end-capping group. In addition, the application further discloses a preparation method for preparing the chlorine-resistant and washing-resistant color fixing agent.

The invention discloses an environment-friendly acidic color fixing agent and a preparation method thereof, and the preparation method comprises the following steps: adding a polar solvent, vinyl phenol, a first monomer and a second monomer into deionized water to prepare a mixed monomer solution; stirring, and slowly heating to a target temperature; and slowly dropwise adding an initiator, and reacting to obtain the environment-friendly acidic color fixing agent. The method has the advantages that the reaction yield is high, the reaction time is short, the energy consumption is low, the environmental pollution is small, the production process is green and environment-friendly, the production cost is reduced, and the color fixation effect is effectively improved.

The invention relates to the field of textile industry, in particular to a treating fluid for improving a color fixing effect and a preparation method thereof. The color fixing agent is used for solving the problems that an existing color fixing agent is poor in color fixing effect, and treated fabric is insufficient in color fastness to light. The color fixation treating fluid is mainly prepared from poly dimethyl diallyl ammonium chloride-aniline grafted benzophenone quaternary ammonium salt, and is prepared by the following steps: firstly, synthesizing a fourth intermediate containing a benzophenone quaternary ammonium salt cationic group, and then synthesizing a fifth intermediate containing aniline and poly dimethyl diallyl ammonium chloride; a fourth intermediate and a fifth intermediate react to obtain polydimethyldiallylammonium chloride-aniline grafted benzophenone quaternary ammonium salt, and a quaternary ammonium salt cation group and a benzophenone group have a synergistic effect, so that the color fixation effect is remarkably improved, and the color fastness to light is also greatly improved; the fiber material is ensured to have high fixation rate and excellent dye adhesion stability after being dyed.

The utility model discloses a storage device for color fixing agent production, which comprises an outer cylinder, the top of the outer cylinder is fixedly connected with a top plate, the top plate is fixedly connected with an inner cylinder, the top plate is rotatably connected with the outer side of a rotating shaft, the outer side of the rotating shaft is fixedly connected with an upper gear, the outer side of the rotating shaft is fixedly connected with a stirring plate, and the outer side of the rotating shaft is rotatably connected with a rotating cylinder. A motor is fixedly installed on the upper surface of the top plate, the output end of the motor is fixedly connected with the driving gear, a buffer cavity is formed in the outer barrel, air holes are formed in the outer side of the outer barrel, an air heater is fixedly installed on the upper surface of the top plate, and the output end of the air heater is fixedly connected with an air inlet pipe. The color fixing agent raw material in the inner cylinder is stirred through reverse rotation of the stirring plate and the scraper, precipitation production during storage of the color fixing agent is avoided, the raw material in the inner cylinder is internally and externally heated through the heater, and the heating uniformity of the color fixing agent is enhanced.

This invention belongs to the field of printing materials technology, and provides a highly scratch-resistant digital transfer film, its preparation method, and its application. This invention utilizes latex, a fixing agent, a scratch-resistant agent, and fillers as the main raw material components of the fixing layer of the digital transfer film. It employs a combination of two latexes, A and B, with different Tg values, which improves the coating's hardness while providing a certain degree of flexibility. A cationic resin-type fixing agent is used, along with modified polysiloxanes and / or waxes as scratch-resistant agents. The filler particle size (D90) is limited to 200-1000 nm. This results in a digital transfer film that, when used for printing, maintains a smooth surface without powder adhesion or peeling, while ensuring normal use. The fixing layer exhibits high strength and scratch resistance, withstanding at least 30 washes and even up to 42 washes. The coating also demonstrates high strength and minimal wear in scratch resistance tests.

The invention relates to immobilizing a fluid sample for inhibiting spatial spreading. A method of processing a fluid sample (100) in a sample separation device (10), wherein the method comprises: at least partially immobilizing the fluid sample (100) by a fixation agent (102), thereby inhibiting spatial spreading of the fluid sample (100); and subsequently at least partially releasing the fluid sample (100) from the fixation agent (102).

The utility model discloses a color fixing agent weighing device which comprises a supporting seat and a moving frame, the moving frame is located at the top of the supporting seat, a same trigger assembly is installed between the supporting seat and the moving frame, and the trigger assembly comprises four sliding rods fixedly connected with the outer wall of the bottom of the moving frame. The four sliding rods are slidably inserted into the supporting seat, a trigger rod is hinged to one side of the moving frame, one end of the trigger rod makes contact with the top wall of the supporting seat, the four sliding rods are each sleeved with a spring, and the two ends of each spring are fixedly connected with the ends of the corresponding sliding rod and the supporting seat correspondingly. According to the color fixing agent weighing device, due to the fact that the trigger assembly is arranged, when the number of color fixing agents in the space formed by the blocking ring and the movable frame reaches the needed number, external discharging equipment can be rapidly controlled to stop discharging, and the time consumed by weighing work is saved.

The utility model provides an anti-precipitation device for color fixing agent production, which relates to the technical field of color fixing agent production equipment and comprises a containing barrel, a sliding sleeve is connected to the inner wall of a cross-shaped supporting frame, a spring is sleeved outside a guide rod, a supporting plate is connected to the bottom end of a sliding rod, and a scraper is connected to the lower surface of the supporting plate. According to the anti-precipitation device for color fixing agent production, through cooperation of a scraping plate, the brush, a spring and a cross-shaped supporting frame, supporting force is provided for the supporting plate through the cross-shaped supporting frame and a sliding rod, the stability of the supporting plate is kept, the supporting plate is driven by the cross-shaped supporting frame to rotate, and therefore the color fixing agent is prevented from being separated from the supporting plate; when the supporting plate rotates, the scraping plate and the brush are driven to raise and scrape materials deposited at the bottom of the containing barrel, the raised materials are fully mixed with other substances under stirring of the stirring blades, the fusion rate of the materials and the color fixing agent is increased, and therefore the quality of the color fixing agent is improved.

The application specifically discloses a fixing agent special for ultra-high molecular weight polyethylene fiber cable and a preparation method thereof. The fixing agent special for ultra-high molecular weight polyethylene fiber cable comprises the following components in parts by weight: polyacrylic acid multi-polymer emulsion 30-50 parts, pure propylene emulsion 30-50 parts, tertiary propylene emulsion 30-50 parts, vinyl acetate-ethylene copolymer emulsion 30-50 parts, water-based epoxy phosphate solution 5-10 parts, polyisocyanate solution 5-10 parts, levelling agent 1-10 parts, ternary copolymerized silicone oil 1-10 parts, crosslinking agent 1-10 parts, titanium white 1-10 parts, and nano-lignin 10-20 parts. The fixing agent has good water-proof, oil-proof, wear-resistant and anti-aging functions, and the fixing agent can improve the fixing effect of sensitive colors such as blue, gray, silver and green. In addition, the preparation method has the advantages that the fixing agent prepared has uniform texture and good effect.