Fabric graft modified full-fixation printing method

The invention relates to a whole fixation printing method for the graft modification of textiles, and aims at providing the whole fixation printing method that can promote the dye fixation rate from 70 percent to 80 percent to more than 90 percent to 98 percent. The technical proposal is as follows: 1) the pretreatment of a textile, the textile is treated according to the processes of desizing, boiling, smelting and bleaching; 2) the preparation of the graft modification working fluid, the working fluid comprises 0.1 percent to 10 percent of cationic graft agent, 0.1 percent to 20 percent of alkali agent and 0 percent to 1 percent of penetrating agent, and the rest is water; 3) the treatment of the graft modification, the pretreated textile is put into a dyeing machine, and the graft modification working fluid is added; or the pretreated textile is padded with the graft modification working fluid in a padder; the printing formula of the invention comprises 50 grams of protoplasm, 2 grams ...

Preparation method of cellulose based nano composite fabric containing silsesquioxane particles

The invention relates to a preparation method of a cellulose based nano composite fabric containing silsesquioxane particles and aims to provide a preparation method of a cellulose based nano composite fabric containing silsesquioxane particles so as to obtain a finished fabric with favorable elasticity, anti-wrinkle property and high color fastness. The preparation method in the technical schemefor solving the problem comprises the following steps of: firstly, preparing a POSS-H methanol solution with a certain concentration; then mixing the solution with magnesium oxide and citric acid in a certain proportion to prepare a finishing liquor; and finally paddling a pure cotton fabric into the finishing liquor by utilizing a padder to obtain the nano composite fabric in the invention. The invention can be used in the fields of functional materials, spinning, and biological materials.

Azobenzene photochromicsm compound containing L-ethyl lactate chiral carbon and synthesis thereof

The invention relates to an azobenzene photochromic compound containing L-ethyl lactate chiral carbon and a synthetic method thereof. L-ethyl lactate chiral carbon groups are introduced into the azobenzene compound, therefore, the photochromic property is changed obviously. Before and after the inducing, the absorption spectrum of UV-Vis changes greatly, which means the absorption spectrum difference of cis and trans states is large, and the reservation at the room temperature is stable. Therefore, the application field of azobenzene photochromic material is enlarged, and the azobenzene photochromic material has wide potential application prospect in fields of data storing material, liquid crystal displaying material, nonlinear material, optical molecular switches, chiral recognition, and the like. The structure of the photochromic compound which contains chiral carbon and is synthesized by the invention has the general formula as is shown above.

Method using acryloyl succinic acid in cotton fabric formaldehyde-free crease resistant finishing

The invention discloses a method using acryloyl succinic acid in cotton fabric formaldehyde-free crease resistant finishing, and in particular relates to a method as follows: higher activity allyl is introduced into a dicarboxyl containing structure, a series of acryloyl succinic acid monomers are designed and synthesized by a simple method, and then used in cotton fabric crease resistant finishing. Raw materials for reaction for synthesis and design of the compounds are cheap and easily obtained, the reaction is simple to operate and easy to control; the reaction is mild in condition, and environmentally friendly, and the production cost is low. The series of synthesized acryloyl succinic acid monomers are used in cotton fabric crease resistant finishing for realizing cotton fabric formaldehyde-free crease resistant finishing, and cotton fabrics finished by the acryloyl succinic acid product have good crease resistant properties, whiteness and good strength maintainence.

Method for preparing ionic chiral dopant containing isosorbitol primitive

The invention relates to a method for preparing an ionic chiral dopant containing isosorbitol primitives, which comprises the steps of: putting weighing di-[(S)-4-chloromethyl benzoic acid] hexahydro-furo [3, 2-b] furan-ester and acetonitrile in a three-mouth neck flask, adding triethylamine at the room temperature, stirring the mixture, raising the temperature to the reaction temperature of 60-85 DEG C for reacting for 3-5h, pouring the reactant into acetone to separate a product out, washing the product with acetone, removing the acetone by steaming, drying the product, and recrystallizing by using chloroform for recrysta llization to obtain a white solid. The invention has the advantages of simplicity, low cost and suitability for industrial production. The prepared substance has a wide application prospect in the fields of nonlinear optics, quick optical switches, micro-electronics, liquid crystals, and the like.

Crosslinkable active disperse dye compound as well as preparation method and application thereof

The invention relates to a crosslinkable active disperse dye compound as well as a preparation method and application thereof. A structural formula of the disperse dye compound is one or more as shown in the specification. The preparation method of the crosslinkable active disperse dye compound comprises the following steps: preparing coupling components, carrying out diazotization and coupling reaction, wherein amino of aminoaniline-containing compounds in the synthesized compound structure is substituted by an active group which is 3-chloro-2-hydroxypropyl, and the substituent group can be formed into a crosslinkable epoxy ethyl active group under an alkaline condition. The crosslinkable active disperse dye compound is applied to inkjet ink. The crosslinkable active disperse dye compound is capable of printing on polyester fibers and cotton fibers at the same time, and prepared into inkjet ink for being applied to printing of blended fabrics such as polyester cotton, so that the defect ...

Multi-active base full-substituted triazine cation graft agents, preparation and use method thereof

The invention provides a multi-active group fully-substituted triazine cationic grafting agent, characterized by having the above formula, wherein, Y is O or NH, M is 2 or 3. The invention also provides methods for the preparation and the use of the cationic grafting agent. The invention raises the affinity of fabrics and dyes and can, without using various salts for accelerating, acquire the depth that is enhanced by over 20% compared with the depth when the salts are used for accelerating, hence, the utilization ratio of the dyes is greatly enhanced and the dyed liquid can be directly reused without treatments, which substantially realizes the objective of cleaning production; the modification is simple and easily executable, a modifying agent is less in consumption amount , short in treatment time, good in treatment effect and even in dyeing; the resultant solution can be directly applied to the fiber modification of cellulose with no need of separation and purification.

Brocade fabric active and neutral dye combination catalytic fixation printing technique

The invention relates to a brocade fabric active and neutral dye combination catalytic fixation printing technique. The technical problem to be solved is to provide a printing technique which can produce a brocade printing clothing plus material with top grade and light mass which is comfortable to wear. The technical proposal is that (1) textile pretreatment, the textile is pretreated by desizing, boiling, and bleaching; (2) presetting, technique conditions are that the temperature is 160 to 165 DEG C and the time is 30 seconds; (3)printing formulation preparation, 40 to 50 % of printing thickener, 0.05 to 1.0% of fixation catalytic agent, 1 to 1.5% of alkaline agent, 1% of reserve salt, 5% of urea, active dye and an amount of neutral dye and rest of water; (4)printing technique, according to the formulation in the step (3), the printing is carried out; the aging temperature is 102 to 105 DEG C, and the aging time is 18 to 20 min; (5) washing and soaping, fixing agent FRC is used for the ...

Azobenzene photochromicsm compound containing L-ethyl lactate chiral carbon and synthesis thereof

The invention relates to an azobenzene photochromic compound containing L-ethyl lactate chiral carbon and a synthetic method thereof. L-ethyl lactate chiral carbon groups are introduced into the azobenzene compound, therefore, the photochromic property is changed obviously. Before and after the inducing, the absorption spectrum of UV-Vis changes greatly, which means the absorption spectrum difference of cis and trans states is large, and the reservation at the room temperature is stable. Therefore, the application field of azobenzene photochromic material is enlarged, and the azobenzene photochromic material has wide potential application prospect in fields of data storing material, liquid crystal displaying material, nonlinear material, optical molecular switches, chiral recognition, and the like. The structure of the photochromic compound which contains chiral carbon and is synthesized by the invention has the general formula as is shown below: wherein, R1 is: R2: ...

Lead clothes storage device

The invention discloses a lead clothes storage device, and solves the problem that lead clothes storage equipment used in hospitals at present is inconvenient to store, disinfect and transfer special lead clothes used by each doctor. Comprising a box body, a sealing box is fixedly connected in the box body, a telescopic frame is arranged in the sealing box, a plurality of isolation plates are arranged on the telescopic frame, a clothes hanger and an air bag cushion are arranged on each isolation plate, a sealing door is fixedly connected to the isolation plate at the foremost end, a first supporting rod and a second supporting rod are hinged between the box body and the sealing box, and the first supporting rod and the second supporting rod are parallel and equal. A supporting seat is hinged to the other end of the first supporting rod and the other end of the second supporting rod, a locking mechanism is arranged between the first supporting rod and the supporting seat, a containing space ...

Red reactive dye composition for printing and application thereof

The invention relates to a red reactive dye composition for printing and application thereof. The composition comprises a red dye A, a dye B and/or a dye C, wherein the structural formulae of the dyes A, B and C are shown in the specification, respectively; the composition is used for printing of fibers and textile fabrics. The red reactive dye composition has the advantages that a plurality of conventional red reactive dyes are selected and combined in an appropriate ratio, so that the shortcomings of the dyes are overcome, due to mutual cooperation of the dyes, the dye composition is obviously better than any one single dye in color depth and printing color yield, and furthermore, the dye composition shows excellent concentration increasing property and brightness as well as excellent washability, sunlight fastness, rub resistance, perspiration resistance and colorfastness to chlorinated water.

Azobenzol photochromic compound of fluorine-containing end group chiral carbon and method for synthesizing the same

The invention relates to an azobenzol photochromism compound containing fluorine terminal group chiral carbon, and a synthesizing method thereof. As a fluorine terminal group chiral carbon group is introduced into an azobenzol compound, the photochromism property of the azobenzol compound undergoes obvious change, UV-Vis absorption spectrum changes greatly before and after inducement, i.e the absorption spectrum changes greatly in the two statuses of cis-form and trans-form, and the storage is stable at the room temperature. Hereby, the application scope of azobenzol-type photochromism materials is enlarged, and the azobenzol-type photochromism materials have wide and potential application prospect in the fields such as the data storage material field, the liquid crystal display material field, the non-linear material field, the optical molecular switch field, the chiral identification field, and the like. The synthesized azobenzol photochromism compound containing chiral carbon has a general ...

Brocade fabric active and neutral dye combination catalytic fixation printing technique

The invention relates to a brocade fabric active and neutral dye combination catalytic fixation printing technique. The technical problem to be solved is to provide a printing technique which can produce a brocade printing clothing plus material with top grade and light mass which is comfortable to wear. The technical proposal is that (1) textile pretreatment, the textile is pretreated by desizing, boiling, and bleaching; (2) presetting, technique conditions are that the temperature is 160 to 165 DEG C and the time is 30 seconds; (3)printing formulation preparation, 40 to 50 % of printing thickener, 0.05 to 1.0% of fixation catalytic agent, 1 to 1.5% of alkaline agent, 1% of reserve salt, 5% of urea, active dye and an amount of neutral dye and rest of water; (4)printing technique, according to the formulation in the step (3), the printing is carried out; the aging temperature is 102 to 105 DEG C, and the aging time is 18 to 20 min; (5) washing and soaping, fixing agent FRC is used forthe ...

Preparation of temperature and pH value double-stimulation responsive intelligent clothing fabric

The invention relates to a preparation method of a clothing fabric responsive to temperature and pH value. The method comprises the following steps: (1) uniformly mixing a temperature sensitive material, a pH value sensitive material, thickener and binder at a weight ratio of (0.5-1):(0.001-0.1):(20-50):(10-20) to prepare pigment printing slurry; and (2) spraying the pigment printing slurry on the surface of a clothing fabric, printing on a printing machine, drying at 80-100 DEG C, and then baking at 140-170 DEG C for 3-5 minutes to obtain the clothing fabric. The method provided by the invention has the advantages of simple process and low cost; the prepared clothing fabric not only maintains the specific functions of the original coating fabric, but also enables the textile to show different colors according to the change of the environment, so that the fun in lives of people can be enhanced through the color change of an umbrella cover, a tent and clothing, and the stage effect can be ...

Azobenzol photochromic compound of fluorine-containing end group chiral carbon and method for synthesizing the same

The invention relates to an azobenzol photochromism compound containing fluorine terminal group chiral carbon, and a synthesizing method thereof. As a fluorine terminal group chiral carbon group is introduced into an azobenzol compound, the photochromism property of the azobenzol compound undergoes obvious change, UV-Vis absorption spectrum changes greatly before and after inducement, i.e the absorption spectrum changes greatly in the two statuses of cis-form and trans-form, and the storage is stable at the room temperature. Hereby, the application scope of azobenzol-type photochromism materials is enlarged, and the azobenzol-type photochromism materials have wide and potential application prospect in the fields such as the data storage material field, the liquid crystal display material field, the non-linear material field, the optical molecular switch field, the chiral identification field, and the like. The synthesized azobenzol photochromism compound containing chiral carbon has a general ...

Water-soluble heterocyclic pH probe capable of changing color in weak acid and preparation and application of heterocyclic pH probe

The invention relates to a water-soluble heterocyclic pH probe capable of changing color in weak acid and preparation and application of the heterocyclic pH probe. The probe has the following structural general formula shown in the specification. The preparation comprises the following steps: (1) preparing a primary condensation product; (2) preparing a secondary condensation product; (3) preparing a diazonium salt; and (4) carrying out a coupling reaction, salting out, purifying and thus obtaining the product. The probe is applied to rapidly detecting a pH value of a solution through visual inspection. The pH probe is simple in molecular synthesis process and readily available, has high water solubility and can directly and rapidly detect the pH value of the solution through visual inspection without any optical device. The method for detecting the pH value through the probe has the advantages of high sensitivity, high selectivity, rapidness, reversibility, visual inspection property and ...

Cooperative pretreatment method for biological catalysis and controlled oxidation of cotton and cotton-type fabrics

Preparation method of cellulose based nano composite fabric containing silsesquioxane particles

The invention relates to a preparation method of a cellulose based nano composite fabric containing silsesquioxane particles and aims to provide a preparation method of a cellulose based nano composite fabric containing silsesquioxane particles so as to obtain a finished fabric with favorable elasticity, anti-wrinkle property and high color fastness. The preparation method in the technical scheme for solving the problem comprises the following steps of: firstly, preparing a POSS-H methanol solution with a certain concentration; then mixing the solution with magnesium oxide and citric acid in a certain proportion to prepare a finishing liquor; and finally paddling a pure cotton fabric into the finishing liquor by utilizing a padder to obtain the nano composite fabric in the invention. The invention can be used in the fields of functional materials, spinning, and biological materials.

Solid material identification method based on electromagnetic metamaterial tag

The invention relates to a solid material identification method based on an electromagnetic metamaterial tag, which comprises the following steps of: deploying USRP2954 equipment and a horn transceiving antenna in a measurement area, placing a solid material tightly attached to an FSS tag in the center of the transceiving antenna, and setting each parameter in a LabVIEW program of a computer; uSRP2954 equipment is controlled to emit 3-5 GHz frequency hopping signals passing through the material and the tag through a LabVIEW program, and frequency response sampling signals are received at a receiving end; moving average filtering is carried out on the extracted data through MATLAB, the obtained data of the different solid materials are drawn together through the MATLAB, different curves are obtained, the curves correspond to the different solid materials respectively, and identification of the different solid materials is achieved. The method avoids using a broadband signal to extract identification ...

Method for early detection and mitigation of DDoS attack caused by depletion of slow TCAM under SDN

The invention discloses an early detection and mitigation method for depletion of DDos by a slow TCAM under an SDN. The method comprises the following steps: step 1, periodically obtaining a flow table of each switch, and counting the number of flow table items longer than a fixed time length; if the value of the counted message and the value of the byte number field are both greater than the last moment, recording a change value; 2, calculating a cumulative sum value; step 3, extracting the cumulative sum value of each switch, judging whether the cumulative sum value is greater than a given threshold value, and if so, executing step 4; 4, calculating Duration, API, CMOP, CVOP and AMOIPPS characteristic values of each flow table item, inputting the characteristic values into the trained multi-voting model, if the flow table item is considered to be abnormal, deleting the flow table item by the controller, and adding a source Ip corresponding to the flow table item into a blacklist; otherwise ...

Novel printing method for gold-thread polyester fabric

The invention discloses a novel printing method for a gold-thread polyester fabric. The method comprises the processes of pretreatment, printing and aging of the fabric, wherein in the pretreatment, sodium carbonate with the concentration of 2.0 to 2.5 g/L, a refining agent with the concentration of 2.0 to 2.5g/L, a degreaser with the concentration of 0.16 to 0.2g/L and a chelating agent with the concentration of 0.4 to 0.5g/L are added and refining is carried out for 90 minutes at the temperature of 110 DEG C in an air flow dyeing machine; in the printing process, a water-dispersibility polymer polyester composite, a dye, water, resist salt, printing gum and citric acid are selected to be combined to form a gel solution so as to carry out printing on the fabric; the aging is performed at the temperature of 170 DEG C for 5 minutes. The printing method provided by the invention has the advantages as follows: dye yield of the dye is increased, stain resistance and oxidation resistance of ...

Fabric graft modified full-fixation printing method

The invention relates to a whole fixation printing method for the graft modification of textiles, and aims at providing the whole fixation printing method that can promote the dye fixation rate from 70 percent to 80 percent to more than 90 percent to 98 percent. The technical proposal is as follows: 1) the pretreatment of a textile, the textile is treated according to the processes of desizing, boiling, smelting and bleaching; 2) the preparation of the graft modification working fluid, the working fluid comprises 0.1 percent to 10 percent of cationic graft agent, 0.1 percent to 20 percent of alkali agent and 0 percent to 1 percent of penetrating agent, and the rest is water; 3) the treatment of the graft modification, the pretreated textile is put into a dyeing machine, and the graft modification working fluid is added; or the pretreated textile is padded with the graft modification working fluid in a padder; the printing formula of the invention comprises 50 grams of protoplasm, 2 grams ...

Cooperative pretreatment method for biological catalysis and controlled oxidation of cotton and cotton-type fabrics

The invention relates to a cooperative pretreatment method for biological catalysis and controlled oxidation of cotton and cotton-type fabrics, comprising the following steps: (1) preparing a biological compound enzyme preparation, a biological enzyme synergist and a non-ionic surfactant into an enzyme working solution, wherein the pH of a processing bath is 6-7.5; padding the fabrics into the working solution; carrying out heat preservation; (2) washing the processed fabrics with cold water; padding the fabrics into a hydrogen peroxide bleaching solution containing the controlled decomposition additive of hydrogen peroxide; and steaming, washing with water and drying to obtain the finished products. In the method, high-density strong base is not required to serve as a scouring agent, thepH value of pretreatment waste water is 7-8, the chromaticity is low, the COD (Chemical Oxygen Demand) value is lowered by 30% compared with that of the traditional alkali kiering pretreatment technology ...