102results about How to "Chromatography is complete" patented technology

The invention relates to an azo dye compound and the application thereof. The compound is the combination of at least two dyes with A in the general formula (I) selected from any structure of (a), (b) or (c); any combination with A to be at least one from (a), at least one from (b) or at least one from (c); or the combination of at least one dye shown by the general formula (1) and at least one general disperse dye, or/and a dye as shown by the formula (2). Each substituent is shown as the claim of right. The compound can dye polyester and blended fabric thereof under the condition of strong alkalinity with pH more than or equal to 11 and less than or equal to 14; the alkalinity condition can effectively remove slurry and oil on the fabric, and overcomes the defect that decomposition products can be separated out in an acid bath, and cause dyeing defect. The cloth and the fabric adopting the azo dye compound are neat and have excellent styles. In addition, the polyester fiber and the blended fabric thereof can be pretreated with alkalinity and be dyed in a bath and at one step, thus improving the efficiency, and reducing the manufacturing cost and the waste water from dyeing.

The invention relates to a high-efficiency phase change energy storage microcapsule with a thermochromic function, and a preparation method thereof. The core of the microcapsule is a high-grade aliphatic hydrocarbon, alcohol, acid or lipid organic phase change material, and the wall of the microcapsule is a polymer formed by surface modified thermochromic powder and an organic polymer monomer. The preparation method of the microcapsule comprises the following steps: carrying out surface modifying treatment on the thermochromic powder with a coupling agent; mixing the surface modified thermochromic powder, the organic phase change material and the organic polymer monomer as an oil phase, and adopting an aqueous solution of a surfactant as a water phase; and adding the oil phase to the aqueous phase, and carrying out high speed emulsification and polymerization to form the high-efficiency phase change energy storage microcapsule with a thermochromic function. The preparation method has the advantages of simple preparation process, and easy control of the reaction process; and the material has the advantages of wide thermochromic temperature range, abundant color, high heat storage ability and long recycling life, and is hopeful to be applied in the fields of chromogenic indication, coatings and building materials.

The invention discloses ultraviolet-curing water-based inkjet ink. The ultraviolet-curing water-based inkjet ink at least comprises the following components in percentage by weight: 1%-12% of nanometer pigment/water-soluble pigment, 1%-5% of dispersing agent, 1%-15% of UV (Ultraviolet)-curing modified polyurethane resin emulsion (solid content), 1%-10% of photoinitiators, 20%-50% of reactive diluents, 5%-25% of humectants, 5%-15% of penetrating agents, 0%-2% of surfactants, 0%-2% of pH regulators, 0.1%-0.5% of sterilization preservative, and the balance of deionized water. The ultraviolet-curing water-based inkjet ink is characterized in that the ink has excellent storage stability and printing fluency; the ink has excellent performances including water resistance, light resistance, solvent resistance, scratch resistance, ageing resistance, high-low temperature resistance, high brightness, good adhesive strength and quick curing speed, is suitable for various printers to print various uncoated and nonprinting coating media, hydrophobic and oily media, and is wide in application area.

The invention discloses a preparation method of cationic dyeable flame-retardant polyester resin. The manufacturing method is characterized by comprising the following steps: performing an esterification reaction on a halogen-free copolymerized phosphorus-based flame retardant, ethylene glycol and a composite catalyst to prepare an esterification solution of the halogen-free copolymerized flame retardant; performing ester exchange reaction on sulfoisophthalic acid dimethyl ester and the ethylene glycol to prepare a sulfonate-based bis(hydroxyethyl) isophthalate solution; performing an esterification reaction on terephthalic acid (or dimethyl terephthalate), the ethylene glycol and auxiliaries, then adding a catalyst, a stabilizer, the auxiliaries, the esterification solution of the phosphorus-based flame retardant (or a prepolymer solution of the phosphorus-based flame retardant) and the sulfonate-based bis(hydroxyethyl) isophthalate solution, performing condensation polymerization reaction, and cooling and dicing after the end of reaction to prepare the cationic dyeable flame-retardant polyester resin. The cationic dyeable flame-retardant polyester resin prepared by the method disclosed by the invention has the characteristics of good spinnability, polyester fiber cationic dye boiling dyeing under normal pressure conditions, complete chromatogram and strong dye adhesion.

The invention relates to nylon sea-island microfiber leather fabric composite dye and application thereof. The dye is formed by combining acid dye and active dye. The application is as follows: at normal temperature, sequentially adding an acid level dyeing penetrating agent and composite dye to a dye bath, regulating pH value to 5-6, soaking a fabric in the dye bath, increasing temperature to 105-110 DEG C, preserving for 40-60min, and completely washing at 70-80 DEG C to obtain the dyed fabric; soaking the dyed fabric in a fixation bath, increasing temperature to 40-50 DEG C, preserving for 20-30min and washing. The composite dye formed by combining the acid dye and the active dye, is free from components violating against national technical standard for safety, can consistently dye poly urethane (PU) and nylon superfine fiber, and in particular can dye nylon microfiber leather. The composite dye is complete in chromatography, good in compatibility, synchronous to dye and easy to control quality.

The invention discloses a continuous method for preparing hydrophilic copolyester slices and the hydrophilic copolyester slices prepared by the preparation method. The preparation method of the hydrophilic copolyester slices prepared by the continuous method comprises the following steps: continuously and uniformly adding pure terephthalic acid, ethylene glycol, benzene dibasic acid binary alcohol ester-5-sodium sulfonate, polydibasic alcohol, other dibasic alcohols, a delustering agent and the like into a beating kettle in proportion, performing esterification, prepolycondensation and polycondensation reactions, discharging, pelletizing and drying to get the hydrophilic copolyester slices. A continuous polymerization device is adopted for synthesis; and in the prepared hydrophilic copolyester slices, the molecular structure of polyester is changed by adding hydroxyl-containing components and inorganic powder into copolyester slices, thus the hydrophilic property is good. The preparation method is simple, the manufacturing process has no special requirements on the polymerization device, and the hydrophilic copolyester slices can be produced on existing domestic or imported equipment, so that the production cost is slow and industrial production is easy to realize.

A color printing and dyeing technology of an active ink dye on linen fabric relates to a linen active color printing and dyeing technology. The invention aims to solve the technical problem about linen printing and dyeing at home and aboard. The printing and dyeing technology provided by the invention comprises the following steps: 1, sizing, drying and curing; 2, active digital jet-printing and drying; 3, wet steaming for color fixation; and 4, washing, soaping, washing, drying and shaping. According to the invention, active ink is, for the first time, transferred to linen fabric in a non-contact way. Through tests and application, color printing and dyeing is successfully realized, and the technology has put into production. Thus, the natural fiber has a wider development space. The technology provided by the invention is a brand-new printing mode which is different from the tradition.

The invention opened a method of dying the true silk crepe-de-chine and the wool using scutellaria dyestuff. The process: a. put the scutellaria dyestuff which the pH is 3-6.5 on the true silk crepe-de-chine and the wool; b. do the fore and mordanting by the mordant which is 2-20 %( w/w). The dyestuff is the natural, soft, simple and innoxious to the human.

The invention belongs to the chemical fiber manufacturing field, and particularly relates to a production method of a spunbonded viscose polyester embroidery thread. The production method comprises the following steps: preparing bright modified polyester; carrying out melt spinning, drawing and winding to obtain modified polyester drawn yarns according to the characteristics of the bright modified polyester; and twisting the modified polyester drawn yarns, and dyeing the yarns to obtain the colored polyester embroidery thread product. The invention further provides the colored polyester embroidery thread prepared by the production method. The colored polyester embroidery thread is bright polyester fibers with a triangular cross section, and has bright color; the obtained embroidery thread has the advantages of complete color spectrum, rich color and higher color fastness, and is not darkened after being washed; and meanwhile the embroidered pattern is not deformed due to low boiling water shrinkage and stable structure.

The invention relates to a method for dyeing modified polyester. The modified polyester has the performances of dyeing with an acid dye and a disperse dye at normal temperature. By dyeing the modified polyester with a weak acid dye under the environment that the pH value is 2-6, the dye-uptake rate can reach over 70 percent and the color fastness can reach over 3-4 grades. In addition, in the invention, the modified polyester is dyed with the disperse dye at normal temperature. The dyeing process has no requirement on the kinds of the disperse dyes and complete color spectrum; and by dyeing with carrier-free assistants at normal temperature and normal pressure, the dyeing-uptake rate can reach over 90 percent and the color fastness can reach over 4 grades. In addition, the dyeing process is simple and controllable and is beneficial to being popularized and applied.

The invention relates to a preparing method of a polyester fiber, and discloses a preparing method of a normal-temperature normal-pressure deeply-dyeable polyester filament. The problems that due to the limitation of a preparing method, the dyeing temperature of a polyester fiber is high, the requirement of high-temperature dyeing for equipment is high, energy consumption is high, and production cost is improved are solved. According to the technical scheme, the method is characterized in that raw materials include polyester, a third monomer and a fourth monomer, the third monomer is one of sodium dimethyl isophthalate sulfonate, diethyl isophthalate sulfonate and diethylene glycol isophthalate sulfonate, and the fourth monomer is fatty binary acid or polyether. The aims of dyeing the polyester filament at normal temperature and normal pressure and being good in dyeing effect, small in energy consumption in the dyeing process and low in cost are achieved.

The invention relates to a one-bath one-step dyeing method for a polyester/cotton blended fabric. The polyester/cotton blended fabric is firstly treated by a cationic compound and then is dyed by an anionic dye. The method has excellent dyeing effects on the polyester/cotton blended fabric, is simple in operation and high in efficiency, saves water and energy and reduces waste water emission.

The invention discloses an acetate fiber monoazo dye mixture. According to the total mass of the dye mixture, the acetate fiber monoazo dye mixture comprises the following active ingredients in percentage by weight: 10-40% of compound A, 5-30% of compound B, 0.5-50% of compound C, and the balance of dispersing agent, or 10-40% of compound A, 3-30% of compound D, 1-40% of compound E, and the balance of dispersing agent, or 2-35% of compound A, 5-25% of compound B, 0.1-10% of compound C, 4-20% of compound D, 5-30% of compound E, and the balance of dispersing agent. The acetate fiber monoazo dye mixture is reasonable in formula, excellent in dying performance, wide in applications, high in the added value of the product, and can be used for dying acetate fibers under the low-temperature condition. The invention further discloses a preparation method of the acetate fiber monoazo dye mixture, which comprises the following steps of: mixing all the active ingredients according to a proportion, adding water and grinding, and conducting spray drying, and the preparation method is simple in technology steps, strong in operability, low in cost, and suitable for industrial production.

The invention discloses a water-soluble color chain extender, copolymerization type colored polyurethane emulsion and colored polyurethane-acrylic ester copolymer emulsion, and preparation methods thereof, wherein at least one chromophoric group and at least two amino groups are contained in the water-soluble color chain extender. The water-soluble color chain extender can have various colors including red, yellow, blue, green, purple, brown, black and the like; in addition, the production process is simple; the production cost is low; the production efficiency is high; the green and environment-friendly effects are achieved; meanwhile, when the water-soluble color chain extender is used as a chain extender, the copolymerization type colored polyurethane emulsion and the copolymerization type colored polyurethane-acrylic ester copolymer emulsion with rich colors can be obtained through preparation; the water-soluble color chain extender can be widely used for industrial production.

The invention discloses a sizing-dyeing method and a sizing-dyeing equipment assembly for color yarn production by paint spraying. The sizing-dyeing equipment assembly comprises a multi-unit constant-tension winding and unwinding system, an ultrasonic cation modification system, a drying system, a plasma treatment system, a paint spraying system, an infrared constant-temperature pretreatment and shortened wet steaming system, a fixation drying system, a sizing system, an intelligent constant-tension yarn storage rack, a lease system and a winding system. By adoption of the paint spraying system for paint spraying of yarns, a traditional dip dyeing procedure is replaced, pollution is avoided, residue of paints in dip dyeing bath is avoided, sewage discharging burden after dyeing is relieved, total dyeing cost is reduced, and ecological environment is improved. Colorful patterns are formed on the yarns to meet market demands and customer aesthetic variations, and the technical problem of pattern diversification on a current dyeing market is solved.

The invention provides an imidazole-based anionic dye dyeable modified copolyester masterbatch, and preparation and application thereof. The imidazole-based anionic dye dyeable modified copolyester masterbatch is characterized in that a comonomer of the imidazole-based anionic dye dyeable modified copolyester masterbatch comprises terephthalic acid, glycol, N-2-(3,5-dicarboxyl phenyl) ethyl-N'-methylimidazole chlorine salt and 2-methyl-1,4-butanediol according to the molar ratio of 1:1.2-2.5:0.1-0.4:0.03-0.25. The imidazole-based anionic dye dyeable modified copolyester masterbatch prepared by the invention is blended with unmodified PET polyester to obtain a polyester product which has good anionic dye dyeability, the polyester product can be dyed at normal temperature and under normal pressure or can be subjected to boiling dyeing under normal pressure, the dye-uptake can be above 85%, dye cannot leak easily, and the imidazole-based anionic dye dyeable modified copolyester masterbatch can be applied to the field of garment, home textile, agriculture, industry and the like.

The invention discloses a size-dyeing equipment assembly with a jet cationic modification fiber system. The size-dyeing equipment assembly comprises a constant-tension multi-unit reeling and unreeling system, a plasma processing system, the jet cationic modification system, a drying system, an ultrasonic pigment dyeing system, an infrared constant-temperature pretreatment and wet short steaming system, an intelligent color fixing and drying system, a sizing system, a constant-tension warp storage system, a leasing system and a multi-head reeling system which are all connected in sequence. Warps are subjected to modification treatment through a cationic modifying agent, patterns with design and colors are formed on the warps through an ultrasonic generator, priority is given to coulombian force from dependence on intermolecular force after graft modification, dye-uptake efficiency and color fixing rate of dye are increased, and bonding strength and bonding depth between the cationic modifying agent and the warps are further enhanced; the warps are subjected to jet modification by jetting the modifying agent, different modifying areas are formed as required, dip dyeing process is replaced by the ultrasonic pigment dyeing system, and no pollution is caused.