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43 results about "Fixative/Stain" patented technology

A compound that both fixes tissues or cells and stains it for microscopic study.

Water-based black and transparent wax polishing leather surface finishing agent with color transfer resistance and preparation method of leather surface finishing agent

A water-based black and transparent wax polishing PU (polyurethane) leather surface finishing agent with color transfer resistance is prepared from water-based PU, matting powder, a wetting agent, a pH regulator and water, wherein water-based PU is prepared from diisocyanate, polyalcohol, a chain extender, a catalyst, a salt forming agent and a cosolvent through a reaction in water; polyalcohol is a mixture of a reactive type PU coloring agent and other polyalcohol, and the mass of the reactive type PU coloring agent is 40%-70% of the total mass of polyalcohol. Compared with a common wax polishing leather surface finishing agent, the water-based black and transparent wax polishing PU leather surface finishing agent with the color transfer resistance has the characteristics as follows: the consumption of an organic solvent is low, emission of volatile organic compounds in a production process is low, coloring groups are distributed uniformly, the color is uniform, the coloring firmness is high, the phenomena of color losing, decolorization, color fading and the like caused by color transfer are eliminated, addition of a color fixing agent is reduced, the safety and low toxicity are realized, the color is full and transparent, the agent has luster and chromaticity similar to those of leather, and the leather is endowed with waxy feeling and the like.
Owner:嘉兴禾大科技有限公司

Dyeing production method of plant dye with natural bacteriostatic function

The invention relates to a dyeing production method of a plant dye with a natural bacteriostatic function. The dyeing production method comprises the steps that the crudely extracted Chinese herbal medicine plant pigments are utilized, a plant dyeing method without water drainage is used for dyeing, and the color is fixed by a natural color fixing agent after dyeing; a fabric or cloth is put intoultrasonic dyeing equipment filled with plant dye liquid, and the ultrasonic waves are started to intermittently dip-dye; a cylinder-refilling dyeing method is adopted, and the liquid is not drained after dyeing each time; the natural color fixing agent is used for fixing the color. The dyeing production method has the advantage that the crudely extracted natural plant dyes are adopted, and are matched with the natural color fixing agent, the cylinder-refilling dyeing processing without water drainage is performed on the clothes and fabrics, such as cotton, hemp fiber, viscose, Tencel and Modal, by the ultrasonic waves and the dyeing liquid is not drained in the dyeing process each time, so that the natural plant dyes and the natural color fixing agent can be effectively utilized, the water resource is greatly saved, the sewage treatment process is not required, and the natural bacteriostatic property of the product dyed by the plant dyes is effectively guaranteed.
Owner:祝洪哲 +1

Surface-sizing fixing agent for color ink-jet paper and preparation method and application thereof

The invention discloses a surface-sizing fixing agent for color-jet paper and a preparation method and the application thereof, and belongs to the field of preparation technologies of papermaking chemicals. The method comprises the following steps: gelatinizing cationic starch, ammonium persulfate and water under water bath stirring; adding ferrous chloride water solution and hydrophilic monomer solution; dripping hydrogen peroxide diluent for initiation; adding hydrophobic monomer and rosin into a reaction system for monomer pre-emulsification; increasing the temperature to 90-92 DEG C, and dripping hydrogen peroxide diluent for initiation and then reaction for 2-3h; and increasing the temperature to 95-99 DEG C for reaction for 1h, and then naturally cooling to 20-50 DEG C to manufacture the surface-sizing fixing agent for color-jet paper. The prepared surface-sizing fixing agent for color-jet paper is formulated into water solution and then mixed with the cationic starch or polyvinyl alcohol, and meanwhile, an album paper coating cross-linking agent is added for being mixed and applied to improve the surface quality of printing paper, improve the printing quality and particularly greatly improve the water resistance of finished paper.
Owner:FENGKAI JIACHENG PAPER CO LTD

Dye-fixing agent used for active dyes, and preparation method thereof

The invention discloses a dye-fixing agent used for active dyes, and a preparation method thereof. According to the preparation method, monoethanolamine and 1, 4-butanediol diglycidyl ether are takenas raw materials to synthesize a chain extender, isophorone diisocyanate, polypropylene glycol, and the chain extender are reacted to obtain polyurethane, the obtained polyurethane is subjected to endcapping with methyl ethyl ketoxime, and high speed shearing emulsion is carried out so as to obtain the dye-fixing agent used for active dyes. Coulomb attractive force combination of cations contained by the dye-fixing agent with anions of dye molecules can be realized, so that dye hydration capability is reduced; uncapping of the end capped isocyanate groups in the dye-fixing agent molecules isrealized in high temperature roasting, and crosslinking effect with some active groups on fiber and dyes can be realized;ring-opening reaction of epoxy groups contained by dye-fixing agent molecules with the active groups on fiber and dyes under certain conditions is realized, so that crosslinking effect is achieved; and at the same time, the dye-fixing agent is a polyurethane, possesses relatively excellent film forming capacity, the formed film is used for covering dyes, so that firm adhesion of the dyes onto fabric is realized, and dye fixation is realized.
Owner:SUZHOU UNIV

Preparation method of coconut shell extract/modified konjac glucomannan compound dye-fixing agent

The invention provides a preparation method of a coconut shell extract/modified konjac glucomannan compound dye-fixing agent. The method includes the steps: crushing coconut shells into powder, extracting the powder by ethanol solution, extracting the extracted powder by n-butyl alcohol solution to obtain n-butyl alcohol extracts, adding the n-butyl alcohol extracts into a rotary evaporator to concentrate the n-butyl alcohol extracts, and drying concentrated solution to obtain coconut shell extract powder for standby application; taking konjac glucomannan, placing the taken konjac glucomannaninto a reaction kettle, adding acetic acid aqueous solution and glycidol to perform reaction, cooling mixture to remove redundant reaction liquid, freeze-drying the mixture to obtain modified konjac glucomannan, adding the modified konjac glucomannan into a reactor, adding deionized water to sufficiently mixing mixture, adding the coconut shell extract powder and Twain-20, heating and uniformly stirring mixture to obtain the compound dye-fixing agent. The prepared compound dye-fixing agent can effectively improve color fastness after dyeing, particularly, effectively improve wet rubbing fastness and can also prevent color losing caused by ultraviolet irradiation, and the color fastness is further improved.
Owner:嘉兴珠韵服装有限公司

Denim water washing color-fixing agent and water washing technology

The invention discloses a denim water washing color-fixing agent, and prepared from a GS612 auxiliary agent, a softening agent and water, wherein the mass ratio of the GS612 auxiliary agent to the softening agent to the water is equal to 1: 0.3: (100-200); the GS612 auxiliary agent is prepared from 10-30 parts of waterborne polyurethane, 1-10 parts of polyethylene glycol (PEG)-100, 10-35 parts of PEG-6000 and 25-79 parts of water. The color-fixing agent is environmentally-friendly in raw materials, low in environmental pollution and good in color fixing effect; the denim fabric, subjected to fixation of the color-fixing agent, does not easily fade, can reach the test standard for children clothing in China, and is safe and reliable. The invention also provides a water washing technology. The water washing technology comprises the following steps: a. rinsing; b. carrying out fixation, specifically, washing denim clothes with the denim water washing color-fixing agent for 20-30min; c. drying. The water washing technology is simple in process, mild in conditions, short in treatment time, high in efficiency and low in energy consumption and cost, thus being suitable for industrial batch operation; after being washed by using the water washing technology, the denim clothes are high in fastness to wet rubbing, do not easily fade, meet the quality test standard for children clothing in China, and are good in comfortableness.
Owner:深圳市安奈儿股份有限公司

A preparing method of a sensitive color fixing agent and the fixing agent

InactiveCN106948196AHigh color fastnessImprove dry and wet rubbing fastnessDyeing processFixative/StainChemistry
A preparing method of a sensitive color fixing agent and the fixing agent are disclosed. During preparation, methyl ethyl ketone peroxide and a 6-hydroxy-2-naphthoic acid solution are mixed, heated and stirred; dimethylformamide is added into the mixture; the mixture is heated and stirred; then a tris(nonylphenyl)phosphite solution is added into the mixture; and the mixture is stirred at 110-112 DEG C for 20-25 min, then stirred at 65-70 DEG C for 50-55 min and cooled to room temperature to obtain the fixing agent. Under interactions of raw materials, the fixing agent has advantages of high dyeing fastness, capability of significantly increasing dry and wet rubbing fastness and water-washing color fastness, and the like. Hue changes do not occur substantially during color fixing of dye for sensitive colors such as turquoise blue and cobalt blue. The fixing agent is free of formaldehyde and is environmentally friendly. A production process is simple. The fixing agent does not influence chlorine fastness, light fastness or perspiration fastness of dyed fabrics, influences of color fixing treatment on fabrics by the fixing agent are low, and chromatic aberration can be controlled to be the 4-5 level. Treated fabrics have good color fixing effects and an influence on hand feeling is low.
Owner:HEFEI ZHIHUI LONGTUTENG INTPROP CO LTD

Color fixing agent for paper surface and preparation method for color fixing agent

The invention discloses a color fixing agent for a paper surface and a preparation method for the color fixing agent. The color fixing agent is prepared from the following raw materials in parts by weight: 14 to 22 parts of diethylenetriamine, 5 to 13 parts of boric acid, 3 to 7 parts of isoamyl alcohol, 10 to 20 parts of propylene glycol monomethyl ether and 21 to 29 parts of styrene-acrylic emulsion. The preparation method comprises the following steps: mixing, heating and stirring the styrene-acrylic emulsion and the diethylenetriamine, adding the isoamyl alcohol dropwise, and performing cooling stirring treatment; adding a boric acid solution for heating and stirring; adding a propylene glycol monomethyl ether solution dropwise for heating stirring treatment, and reducing the temperature to room temperature to obtain the color fixing agent. The color fixing agent is used for coating the paper surface, the cationic degree of a styrene-acrylic emulsion color fixing agent is increased, the surface property of printing paper can be remarkably improved, the printing quality is improved, and particularly, the water resistance of finished paper is greatly improved. According to the color fixing agent, the color density value of the finished paper mixed with water is greatly increased, the raw materials are simple and extensive, the color fixing agent is free of formaldehyde, environment-friendly, pollution-free, low in production cost, stable in performance and suitable for industrial production, and has good color fixing effects and broad market prospect, and a production process is convenient.
Owner:温州富捷科技股份有限公司

Preparation method of water-resistant high-color-fastness color fixative

InactiveCN106835748AHigh color fastnessImprove dry and wet rubbing fastnessDyeing processFreeze-dryingEvaporation
The invention discloses a preparation method of a water-resistant high-color-fast color-fixing agent, which belongs to the technical field of printing and dyeing auxiliaries. In the present invention, the camellia pollen is vacuum-dried first, crushed and sieved, and the broken pollen particles are collected, then ultrasonically oscillated with petroleum ether, filtered, and the filter cake is collected, washed, mixed with deionized water, heated and centrifuged after adjusting the pH, Collect the filtrate and let it stand for aging, then filter, freeze-dry the filter cake to obtain pollen protein, then dry and grind the camellia leaves, mix and heat with ethyl acetate, filter, spin-steam the filtrate until dry to obtain dry camellia wax, and then extract the peach gum After freeze-drying and grinding, it is homogenized with pollen protein, dried camellia wax, etc. and heat-treated. Finally, it is filtered while it is hot and the filtrate is collected. After standing and cooling, a water-resistant high-color-fast color-fixing agent can be prepared. While improving the water resistance of the colorant, it can effectively improve the dry and wet rubbing color fastness of the fabric, and it is not easy to stick to the roller during the production process, so it has a good application prospect.
Owner:孙祎
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