157results about How to "Improve rubbing fastness" patented technology

The invention relates to a method for preparing a polyacrylate/amino modified oxidized graphene compound leather finishing agent by adopting an ultrasonic-assisted method. The method for preparing the polyacrylate/amino modified oxidized graphene compound leather finishing agent by adopting the ultrasonic-assisted method comprises the following steps: carrying out ultrasonic dispersion on oxidized graphene, sulfur dichloride and dimethylformamide; adding dimethylformamide, carrying out spiral evaporating, adding triethylamine and ammonia water, carrying out ice bath reaction and suction filtration, and washing; adding sodium hydroxide and bromine, carrying out ice bath reaction, then adding products obtained through suction filtration, stirring, carrying out suction filtration, and washing to obtain amino modified oxidized graphene; mixing sodium dodecyl sulphate, polyvinyl alcohol 400 and deionized water, dropwise adding part of methyl methacrylate, butyl acrylate, acrylic acid, hydroxyethyl acrylate and an initiating agent, warming, and then dropwise adding the rest part, so that polyacrylate emulsion is obtained; and regulating pH of the polyacrylate emulsion, then adding the amino modified oxidized graphene, and carrying out ultrasonic dispersion, so that the product polyacrylate/amino modified oxidized graphene compound leather finishing agent is obtained. The method for preparing the polyacrylate/amino modified oxidized graphene compound leather finishing agent by adopting the ultrasonic-assisted method has the advantages that defects of polyacrylate are overcome by utilizing physical and mechanical advantages of graphene and application performance of the polyacrylate/amino modified oxidized graphene compound leather finishing agent is effectively enhanced.

The invention discloses a dyeing method of protein material. Arylamine compound is diazotized and then is directly coupled with tyrosine segment in protein molecule, so as to generate coloured substance containing azo bond; dosage of arylamine compound is equivalent to 0.1-5% of weight of protein material, and dyeing bath ratio is 1:20-100. Arylamine compound is taken as colour base and diazotized and then is directly coupled with tyrosine segment in protein molecule, and coloured substance connected with main chain by covalent bond in protein molecule, thus realizing dyeing on protein material and obtaining various colours by selecting arylamine colour bases in different structures. The dyeing method has the advantages of low energy consumption, less pollution and high colour fastness. The protein fiber fabric obtained by the method has higher wet-processing fastness; and the dyed protein powder also has higher fastness. The invention also provides a new dyeing method for protein material.

The invention discloses a printing and dyeing process which comprises the following steps: (1) preprocessing; (2) dyeing, namely putting a preprocessed fabric into a dyeing solution, heating the dyeing solution to 45-55 DEG C at speed of 1-2 DEG C/min, and keeping the temperature for 20-40 minutes; adding sodium chloride, heating to 60-70 DEG C at the speed of 1-2 DEG C/min, and keeping the temperature for 20-40 minutes; adding sodium carbonate, heating to 80-90 DEG C at speed of 0.2-1 DEG C/min, and keeping the temperature for 20-40 minutes; finally cooling at the speed of 1-2 DEG C/min to finish the dyeing process; (3) post-processing. According to the printing and dyeing process, the dye-uptake rate and the dye-uptake process are adjusted to be optimal through controlling temperature ranges in the dyeing process, so that a printed and dyed product is good in dyeing uniformity and high in color fastness. The printing and dyeing process is simple, can realize large-scale industrialization production and bring good economic benefits to enterprises, and has a wide prospect.

An ink jet recording method uses an ink jet recording apparatus including a plurality of heads arranged in parallel in a first direction, each of which ejects droplets of a different radiation-curable ink composition onto a recording medium, and first light sources provided for corresponding heads so as to be disposed at a predetermined side of the corresponding heads. The first light sources emit active radiation to irradiate the droplets on the recording medium. The method includes ejecting droplets of the ink compositions from the heads onto the recording medium, and performing a first irradiation by irradiating the droplets of each ink composition with the active radiation from the corresponding first light source at an irradiation energy within 500 ms after the droplets have landed. The irradiation energy is in the range of 5% to 10% of the energy E₉₀ at which the ink composition is 90% cured.

The invention provides a cationic color fixing agent and a preparation method and application thereof. The cationic color fixing agent is obtained by polymerization reaction of an oil-soluble monomer, a cationic monomer and a reactive monomer in a solvent under the action of a radical initiator, wherein the oil-soluble monomer is one or the combination of several of styrene, acrylonitrile and acrylate; the cationic monomer is one or the combination of acryloxyethyl alkyl quaternary ammonium salt and/or allyl alkyl quaternary ammonium salt; the reactive monomer is one or the combination of several of allyl glycidyl ether, hydroxyl-containing acrylics, vinyl trimethoxy silane, vinyl triethoxy silane, acrylamide, crylic acid and methacrylic acid. The cationic color fixing agent is insoluble in water and can be dissolved in a weak polar solvent and/or non-polar solvent; besides, after non-aqueous solvent dyeing of reactive dyes, the cationic color fixing agent can be directly used in the on-going fixing process without washing.

The invention discloses a preparation method for blocked waterborne polyurethane. The method is characterized in that polyurethane is modified by synthesizing a partially-esterified styrene-maleic anhydride copolymer carrying hydroxyl, so that a polyurethane chain plays a role in strongly anchoring organic pigment particles, the dispersion stability of the organic pigment particles in waterborne polyurethane emulsion and the adhesion of a pigment by a waterborne polyurethane adhesive during inkjet curing are facilitated, and the friction resistance and washing fastness are improved. Meanwhile, the polyurethane is subjected to active blocking, so that an unblocked NCO group can react with an OH group on fiber during heating curing after digital printing waterborne paint ink prepared by taking the blocked waterborne polyurethane emulsion prepared by the method as an adhesive is directly jetted onto a fiber fabric, thereby remarkably improving the color fixing firmness and friction resistance. A printed pattern is bright in color, and is soft in handfeel.

The invention provides a graphene functional cotton fabric and a preparation method thereof, which belong to the technical fields of intelligent wearing and functional textile. The graphene functional cotton fabric is characterized in that graphene oxide is subjected to amination or sulfhydrylation modification, then is composited with a multi-active reactive dye to obtain a graphene oxide reactive dye, the cotton fabric is subjected to dip dyeing in the graphene oxide reactive dye under ultrasonic condition to obtain the graphene oxide cotton fabric, and the graphene functional cotton fabric is reduced by a reducing agent. The graphene functional cotton fabric integrates dyeing and conductivity functions, endows the common cotton fabric with excellent electricity function of graphene, and stability, high temperature resistance and friction color fastness are obviously increased.

The invention relates to a polymeric decontamination color fixing agent for a fabric. The color fixing agent is copolymer formed by initiating 2-acrylamide-2-methylpropanesulfonic acid, acrylamide, dimethyl diallyl ammonium chloride, dimethyl diallylamine, high molecular weight polyvinyl pyrrolidone (PVP) and an emulsifier through an initiator, wherein preferably, the high molecular weight PVP is PVPK90-K95, the emulsifier is an ethylene oxide propylene oxide (EOPO) emulsifier, and the initiator is azobis(isobutylamidine hydrochloride); and preferably, the color fixing agent comprises 1g of 2-acrylamide-2-methylpropanesulfonic acid, 20g of dimethyl diallyl ammonium chloride, 5g of dimethyl diallylamine, 20g of acrylamide, 2g of high molecular weight PVP and 2g of emulsifier. The color fixing agent can enhance the hydrophilic breathability and decontamination capability of the fabric, improve the wet rubbing fastness of the fabric and effectively improve the content of formaldehyde in the fabric, is healthy and environmental-friendly, improves the quality and functions of the fabric, and has a wide market prospect.

The invention discloses a dyeing method of water insoluble natural pigment on silk fabric. The water insoluble natural pigment is one of oil soluble curcumin, emodin, chrysophanol and oil soluble paprika oleoresin. The method comprises the following steps: step 1: dissolving the water insoluble pigment in an organic solvent to obtain a pigment solution; step 2: adding an emulsifier in the pigment solution to obtain a mixed solution; step 3: stirring the solution while adding deionized water into the mixed solution; after the addition, continuing to stir to obtain an oil-in-water pigment microemulsion liquid; and step 4: dyeing the silk fabric in the pigment microemulsion liquid. The invention overcomes the boundedness that water insoluble natural pigment is unable to dye the silk fabric in water, so as to realize uniform dyed fiber of silk fabric by water insoluble natural pigment, and high fastness.

The invention discloses a printing method of a prolivon blended fabric. A soaking and dehydration pretreatment process after secondary water washing is used, a special printing treatment process is used, self-blended improved dye is adopted, and finally, the prolivon blended fabric is obtained through ageing fixation, softness sizing and shrunk finish processes. The printing method has the advantages that the printing effect is good, the color fastness and the rubbing fastness are high, the processes are simple, the industrial operation is easy, and the operation production efficiency and the product quality are improved.

The invention relates to a macromolecular wet friction fastness promoting agent, which is a copolymer formed by 2-acrylamide-2-methylpropane sulfonic acid, acrylamide, diallyldimethylammonium chloride, diallyldimethylammonium, high molecular PVP and an emulsifier initiated by an initiating agent, preferably, the high molecular PVP is PVPK90-K95, the emulsifier is an EOPO emulsifier, the initiating agent is azodiisobutylamidine hydrochloride, the range of the dosage of the raw materials is 0.1mol-3mol, the inventive macromolecular wet friction fastness promoting agent has excellent performance and can better promote the wet friction fastness of fabrics, meanwhile, the invention effectually lowers the content of formaldehyde in the fabrics, is quite environmentally-friendly, improves the quality of the fabrics and has extensive market prospect.

The present invention provides a rubbing fastness improving finishing process of a deep color cotton and a blended fabric thereof. According to the present invention, a fabric is subjected to a color fixation treatment with an aromatic sulfonic acid condensate, drying is performed, and finishing is performed with a slightly-turbid-state rubbing fastness improving working liquid containing a cationic aqueous polyurethane compound, such that the dry rubbing fastness and the wet rubbing fastness of the good hydrophilicity deep color cotton and the blended fabric thereof can achieve more than or equal to grade 3, and the difficult problem that the rubbing fastness is difficult improved through the conventional processing process is effectively solved.

The invention provides a method for continuously dyeing yarns. The method comprises the following steps: selecting yarns as a dyeing raw material; selecting an azoic coupling component AS-BO as a prime liquid; dissolving the azoic coupling component; exhausting fluid for the yarns; diazotizing colorradical blue BB which is selected as a color developing agent; dissolving color salt; adding a neutralizer and antalkaline; performing a coupled developing process, controlling the concentration, pH value, temperature, time and other parameters during coupling; rinsing and soaping, and rinsing; and dyeing for the second time, calculating the dosage of a bottoming agent in refill and dosage added into caustic soda, and repeating the process of developing, rinsing, soaping and rinsing to complete continuous dyeing for yarns. According to the method, a dyeing method is improved, a repeated durable dyeing process operation is adopted, the stability for material dyeing is reinforced, the coloring effect is uniform, and defects occurring in single printing and dyeing process is avoided by means of repeated printing and dyeing.

The invention relates to a metal complex oxidation system and an application thereof. The metal complex oxidation system comprises metal complex and peroxide. The metal complex oxidation system is used for soaping the dyed textiles, and the soaping temperature is between 20 and 80 DEG C. The metal complex oxidation system is simple in operation of a low-temperature soaping method, is low in production cost, has a good soaping effect and is suitable for various dyes; and the anti-color staining capability is strong, the textile damage is small, energy and water consumption is saved, the decolorization ratio to soaping residual liquid is above 90%, and the chemical oxygen demand (COD) and chromaticity of dyeing soaping wastewater can be greatly reduced.

The invention discloses a reduction cleaning agent for terylene. The reduction cleaning agent for the terylene is characterized by comprising deionized water, an unsaturated reduction system, a surfactant system and a pH value buffering system, in parts by mass: 84 to 35 parts of the deionized water, 10 to 50 parts of the unsaturated reduction system, 5 to 10 parts of the surfactant system and 1 to 5 parts of the pH value buffering system. The reduction cleaning agent for the terylene is stable in state, avoids heating and spontaneous combustion conditions, does not have pungent smell, is convenient to transport and store, and has an excellent cleaning effect.

The invention provides a dyeing formula for enhancing the color fastness of a dark cashmere product. A dye is prepared from 1owf% of abegnoli B, 2owf% of low-temperature auxiliary XT, 2owf% of low-temperature auxiliary MiralanLTD and 4owf% of dye, and a bath ratio is 1:10. Compared with the prior art, the dyeing formula has the advantages that auxiliary adding and microwave pretreatment are combined, so that the color fastness and the coloring rate of the product are effectively improved; the abegnoli B and the dye are matched to enhance the dissolving property of the dye and the levelling property of cashmere fibers. A chemical method and a physical method are effectively combined, so that the color fastness and the coloring rate of the product are greatly improved; furthermore, by adding of the auxiliaries, the using amount of the dye is reduced, and the whole dyeing process is environmentally friendly.

An object of the present invention is to provide a method for producing a binder for inks and for use in producing an inkjet printing ink that has both good ink dischargeability and blend stability. A method for producing a binder for inkjet printing inks, the binder containing a hydrophilic-group-containing urethane resin (A), an acetylene compound (B), and an aqueous medium (C), includes step (1) of allowing Ga polyol (a1) containing a hydrophilic-group-containing polyol to react with a polyisocyanate (a2) in an organic solvent or in the absence of a solvent and feeding the organic solvent as needed to prepare an organic solvent solution [I], step (2) of mixing the organic solvent solution [I] with the acetylene compound (B) and the aqueous medium (C) to prepare a mixture [II], and step (3) of removing the organic solvent contained in the mixture [II].

The invention discloses a printing method of a polar fleece blended fabric. A pretreatment process of soaking and dehydration after secondary washing is adopted, then a special printing treatment process is performed, self-prepared improved dye is adopted, and finally the printing is finished after ageing fixation, soft setting and preshrinking finish processes. The printing method has the advantages of good printing effect, high color fastness, high rubbing fastness, simple process, proneness to industrial operation and improvement on operation production efficiency and product quality.

The invention relates to the technical field of new material processing, and discloses a method for improving a dyeing property of a natural plant dye. A dyeing auxiliary is added into the natural plant dye, and a physical treatment means is supplemented, so that a mixed dye is obtained through uniformly dispersing so as to be used for dyeing; the prepared auxiliary is beneficial to driving dye molecules to enter a textile material fiber crystalline region, so that penetration dyeing is facilitated, the dyeing rate can be accelerated, a repulsive force between electric charges is reduced, thedye molecules are combined onto a fabric to be dyed through a bonding way, the dyeing degree and various color fastness are improved, and the color fading problem brought by hot and humid conditions,illumination and the like can be solved; and the process can well overcome the defects occurred during existing natural plant dye dyeing, the dyeing strength of the prepared natural plant dye is remarkably improved, and the comprehensive utilization rate of the natural plant dye is improved, so that the cost is saved, and the color degree, the washability and the sunproofness of the natural plantdye are improved.

The invention discloses a reactive red dye with high washing fastness and rubbing fastness and a preparation method of the reactive red dye. Acetanilide reacts with chlorosulfonic acid and sulfoxide chloride to generate acetylsulfanilyl chloride; acetylsulfanilyl chloride is condensed with a sulfide generate by reacting a 2-chlorethamin hydrochloride with mercaptoethanol to obtain thioether; the thioether is oxidized and esterified to obtain 2-[2-(4-aminobenzenesulfonamido) ethyl sulfuryl] hydroxyethyl sulfate which is primarily condensed with cyanuric chloride and secondarily condensed with H acid to obtain a condensation compound; the condensation compound is cooled and then coupled with the diazonium salt of 1.5 acid under an alkaline condition, and the product is filtered and then the filtrate is collected and is subjected to direct spray drying to obtain a semi-finished product. The reactive red dye has the characteristics of bright color, high solubility high substantivity, high compatibility, high lifting power, high fixation rate, excellent diversified fastness and the like. The reactive red dye is suitable for dyeing, printing and pad dyeing of cellulosic fibers, protein fibers, viscose and polyarmide fibers, and higher than common types in rubbing fastness and washing fastness by 0.5 to 1 level.