88results about How to "Improve desizing effect" patented technology

The invention relates to a novel dyeing and finishing processing technology of a micro polyester fabric. The novel dyeing and finishing process disclosed by the invention is characterized by comprising the following steps of: (1) pretreatment, namely carrying out cold rolling and stacking processing comprising three stages, namely cold stacking, hot alkali treatment and high efficiency washing, on polyester gray fabric; (2) presetting, namely carrying out high temperature tentering and presetting on a pretreated fabric white body by utilizing a setting machine; (3) dyeing, namely dyeing the preset fabric white body by adopting superfine fiber leveling agent; and (4) cleaning, namely carrying out cleaning post-processing on the dyed fabric to remove disperse dyes which are not set after fibres are dyed. According to the novel dyeing and finishing processing technology disclosed by the invention, an environment-friendly and low-energy-consumption cold rolling and stacking pretreatment technology is used for carrying out pretreatment on the micro polyester fabric, on one hand, desizing effect is good and good dyeing and finishing processing conditions are provided for dyeing, and on the other hand, crease mark of the fabric can be effectively reduced; meanwhile, a formula of a dyeing process additive can be adjusted, albafluid U is added to reduce fabric dyeing scratch, and dyeing defects can be prevented from being caused.

The invention discloses a fabric desizing agent. The fabric desizing agent consists of the following components in parts by weight: 10-20 parts of amylase, 3-5 parts of sodium persulfate, 2-6 parts of methyl cellulose, 0.2-0.6 part of sodium hydroxide, 10-20 parts of butyl acetate, 20-40 parts of isopropyl alcohol, 1-3 parts of butyl phthalate and 100-160 parts of water. Compared with the prior art, the fabric desizing agent has the following beneficial effects of (1) being good in desizing effect and enabling size to be fully hydrolyzed without damaging a fabric, and (2) removing impurities and minerals on the fiber, and improving the whiteness and hydroscopicity of a semi-finished product of the fabric.

The invention relates to a fabric desizing agent. The fabric desizing agent is characterized by comprising the following components in parts by weight: 10-20 parts of amylase, 3-5 parts of sodium persulfate, 2-6 parts of methylcellulose, 15-25 parts of sodium chloride, 10-20 parts of n-butyl acetate, 10-20 parts of isopropanol, 1-3 parts of phthalic acid dibutyl ester, 10-25 parts of 12% hydrogen peroxide, 4-6 parts of argon sodium bromate, 5-10 parts of talcum powder, 5-8 parts of polyvinyl alcohol, and 100-160 parts of water. Compared with the prior art, the fabric desizing agent has the beneficial effects of having good desizing effect, fully hydrolyzing sizing agent without damaging the fabric, being capable of removing impurities and mineral substances on fibers, and improving whiteness and water absorption of half-finished product of the fabric.

The invention relates to secondary warp slurry used in the technical field of electronic-grade glass fiber cloth. The secondary slurry comprises the following components by weight percentage: 5-10 percent of main slurry starch, 0.5-1 percent of smoothing agent, 0.5-1 percent of binder, 0.01-0.05 percent of surfactant, and the balance of deionized water. The invention is warp slurry of electronic-grade glass fiber cloth for a printed circuit board with high-precision, high-uniformity and high-performance, the electronic-grade glass fiber cloth produced by the slurry formula has the advantages of excellent fabric appearance quality, smaller fabric thickness and energy saving and environment-friendly production process. The glass fiber cloth is applicable for insulation enhancing material of the printed circuit board, and is widely used in high-end products such as mobile phone boards, notebook computers, automotive sheets, digital cameras, digital players, navigation devices and the like.

The invention relates to the technical field of dyeing and weaving equipment, in particular to an efficient desizing machine. The machine comprises a machine frame, a plurality of driving motors used for providing power, a water vapor supplying device for providing heat for the whole machine, and an automatic control system used for controlling the whole machine to operate, wherein the machine frame is provided with a cloth feeding mechanism, a wetting tank, a plurality of desizing mechanisms, a plurality of washing mechanisms and a cloth discharging mechanism in sequence into a production line, the wetting tank, the desizing mechanisms and the washing mechanisms are all connected with the water vapor supplying device, and a wetting and sprinkling pipe used for directly sprinkling cloth is arranged at the output end of the wetting tank; each desizing mechanism comprises a desizing roller, a desizing box and a desizing and cloth guiding roller, wherein the desizing roller and the desizing and cloth guiding roller are installed in the desizing box; each washing mechanism comprises a washing box, a washing roller, a plurality of washing and cloth guiding rollers and circulating pumps installed at the two ends of the washing box to enable hot water in the washing box to circulate. The machine is used for desizing in cloth dyeing and weaving.

The invention relates to a textile fabric post-processing production line, comprising a desizing part, the desizing part includes a soaking pool for releasing amylase and the fabric to be desized, and a soaking pool set at the rear end of the soaking pool The finishing mechanism for sorting the fabrics that are transported backwards; the steaming part, the steaming part is set at the rear end of the finishing mechanism, and the steaming part is used to steam the fabrics that have been sorted by the finishing mechanism while being transported; the rubbing and washing part The rubbing and washing part is arranged at the rear end of the steaming part. The rubbing and washing part includes a rubbing mechanism and a water washing mechanism. Under the drive of the kneading mechanism, the rolled fabric is sprayed and rinsed; the invention overcomes the problems of poor desizing effect of the fabric, uneven output of the desizing fabric and removal of stickers on the surface of the fabric .

The invention provides a preparation method of a SiC fiber prepreg tape with an attached interface layer. The preparation method comprises the following steps of introducing a continuous silicon carbide fiber bundle onto a tension pulley after being unwound through a godet roller and a guide wheel, sending the continuous silicon carbide fiber bundle straightly into a desizing device to expand thecontinuous silicon carbide fiber bundle; introducing the continuous silicon carbide fiber bundle onto a gluing device, so that glue fully infiltrates the continuous silicon carbide fiber, after that,introducing the continuous silicon carbide fiber bundle to a silk spreading device, and fully spreading and sizing the continuous silicon carbide fiber bundle by a drawing-in roller in the silk spreading device; and enabling the fully spread and sized continuous silicon carbide fiber bundle to enter a winding roller to obtain the flat and uniform prepreg tape. The prepreg tape prepared by the invention not only can greatly improve the toughness of the silicon carbide fiber, but also a deposited interface layer is uniform, meanwhile, the overlapped parts of two adjacent fiber bundles in the prepreg tape are few, the fiber bundle is good in flatness and thin in thickness, in addition, the preparation equipment can control parameters in real time, and full automation and complete controllability can be realized.

A Penicillium sp. (CCTCC No.M203035) for generating the degradative enzyme of PVA with high output is selectively cultured from the textile sewage through shake-flask culture. Its advantage is high and stable activity to degradate PVA.

The invention discloses a multifunctional oxidizing desizing agent. The multifunctional oxidizing desizing agent is prepared by the following components in parts by weight: 3 to 5 parts of potassium peroxodisulfate, 1 to 3 parts of sodium bromite, 4 to 6 parts of sodium alkyl sulfate, 10 to 20 parts of fatty alcohol-polyoxyethylene ether, 1 to 3 parts of lauryl sodium sulfate, 1 to 3 parts of zinc stearate, 5 to 8 parts of polyacrylic acid, 1 to 3 parts of hydroxymethyl cellulose, 3 to 6 parts of phosphorous acid, and 80 to 100 parts of water. The multifunctional oxidizing desizing agent disclosed by the invention has a good effect of desizing, is suitable for various sizes, has a desizing effect on a plurality of mixing sizes, and is high in desizing efficiency; and the multifunctional oxidizing desizing agent has favorable stability to strong base bath.

The invention discloses a printing and dyeing technology capable of realizing high efficiency desizing. The printing and dyeing technology capable of realizing high efficiency desizing comprises following steps: 1, cloth is place on a conveyer belt, is conveyed into a singeing machine for singeing so as to remove nap on the cloth through singeing; 2, after singeing treatment, the cloth is conveyedinto a desizing machine for desizing treatment using a desizing roller in the desizing machine; 3, after desizing treatment, the cloth is conveyed into a boiling off machine using the conveyer belt for high temperature boiling off using the boiling off machine; 4, after boiling off, the cloth is subjected to impurity removing treatment using an impurity removing device of the boiling off machine;5, after impurity removing, the cloth is subjected to water washing in a water washing tank; and 6, after water washing, the cloth is conveyed into a dyeing machine for dyeing treatment using the dyeing machine. Compared with the prior art, the advantages are that: cloth desizing efficiency is increased greatly, printing and dyeing effect is excellent, and labor intensity is low.

The invention discloses a refining desizing process for a chemical fiber fabric, and relates to the technical field of textile printing and dyeing pretreatment, and the refining desizing process comprises the following steps: (1) pre-shrinking; (2) refining, wherein a refining liquid is composed of the components, by weight, of 12-16 parts of sodium hydroxide with the mass concentration of 32%, 0.3-0.7 part of sodium tripolyphosphate, 5-10 parts of a refining aid, 1-5 parts of trisodium phosphate, 3-8 parts of a penetrating agent, 6-12 parts of a chelating dispersant, 3-6 parts of sodium cocoyl methyl taurate, 2-5 parts of cocamidopropyl amine oxide, 3-7 parts of alkyl glycoside and 8-15 parts of isomeric alcohol polyoxyethylene ether; wherein the grinding aid comprises the components of sodium hydrogen sulfite, sodium silicate and alkyl sulfate in a mass ratio of 2: 3: 3; (3) water washing; (4) steaming; (5) enzyme water washing; and (6) shaping. According to the invention, the problems that the desizing effect of the chemical fiber fabric is poor, and the dye uptake and the dyeing uniformity are poor are solved; a refining agent is used for refining and desizing the chemical fiber fabric, the desizing rate is high, and the dye uptake and the leveling property are good.

The invention discloses a preparing method of a chamois-imitation fabric, and belongs to the technical field of fabrics. The preparing method includes the following step of conducting desizing, alkali-peeling splitting, presetting, sanding, dyeing and postprocessing to obtain a polyester sea-island filament gray fabric so as to prepare the chamois-imitation fabric. The prepared chamois-imitation fabric is wide in application range, good in moisture absorption and sweat releasing performance, excellent in antistatic effect, high in softness and excellent in color fastness.

The invention discloses a desizing agent for a synthetic fiber. The desizing agent consists of the following components in parts by weight: 3-6 parts of sodium hydroxide, 10-20 parts of alkylphenol polyoxyethylene, 10-20 parts of ethanol, 1-3 parts of sodium hexametaphosphate, 1-3 parts of potassium chloride, 10-20 parts of fatty alcohol, 5-8 parts of polyvinylpyrrolidone, 1-3 parts of methylcellulose and 120-160 parts of water. Compared with the prior art, the desizing agent has the beneficial effects of good desizing effect, suitability for desizing under various conditions, ready availability of raw materials, simple preparation process and low cost.

The invention discloses desizing fluid for pretreatment of cotton woven fabric. The desizing fluid comprises, by weight, 12-25 parts of 12% hydrogen peroxide, 4.5-6 parts of argon sodium bromate, 30-50 parts of amylolytic enzyme, 15-25 parts of sodium chloride, 2-6 parts of penetrant, and 100 parts of water. Effective desizing and reduced damage of the cotton woven fabric by desizing can be achieved by organic combination of enzymes, oxidants and the like. In addition, pollution discharge can be reduced as the desizing fluid is improved.

The invention relates to a preparation method of starch-grafted composite glutin sizing, and belongs to the technical field of textile materials. By adding hydrogenated sheep oil and hydrogenated castor oil, composite sizing is prepared, and hydrogenated sheep oil and hydrogenated castor oil have emulsifying properties under the action of tridecanol polyoxyethylene ether and monoglyceride, can beevenly mixed in the sizing, play roles in plasticizing and improve the sizing percentage of the sizing. When grease is added in an adhesive containing polar groups, grease molecules can destroy physical crosslinking points of adhesive macromolecules and make it impossible for the polar groups of the macromolecules to establish interaction and hydrogen bonds, original non-moving chain segments begin to move, the vitrification temperature of serosas is reduced, and the serosas become softer. Besides, intervals between grease molecules make cohesive force between adhesive molecules reduced, a serosa structure thus relaxes, the strength is reduced, meanwhile the adhesive molecules are kept from fully moving close to fiber due to isolation of the grease molecules, and the desizing percentage ofthe sizing can be effectively improved.

The invention discloses a textile size for PVA-free sizing of medium-and-high-count pure cotton fabric warps, and belongs to the field of textiles. The size comprises 30-50 wt% of starch and 50-70 wt%of assistants, and the assistants comprise 30-60 wt% of Arabic gum, 20-40 wt% of pectin, 10-20 wt% of polyacrylic acid-acrylamide and 4-10 wt% of botanical oil. The size has strong adhesion to cottonfiber, viscose glue and other cellulose fiber yarns, makes yarns be soft and smooth and have few reborn fluffs, less size falling and good desizing performance, can completely replace PVA sizing in sizing of 30 to 60 medium-and-high-count pure cotton fabric warps, and obtained sized yarns are soft and smooth, and have few reborn fluffs, less size falling, good weavability and a high blooming efficiency reaching 92% or above.

The invention discloses a textile fabric desizing device for textile operation, and relates to the technical field of fabric desizing. The textile fabric desizing device for textile operation comprises a box body, wherein a sliding mechanism, a beating mechanism, a drying mechanism and a backflow mechanism are arranged in the box body, a desizing box is fixedly mounted at the bottom of the inner side of the box body, an opening is formed in the outer surface of the top of the desizing box, a mounting box is fixedly mounted at the bottom of the inner side of the box body, a hot water tank is fixedly mounted on the outer surface of the top of the mounting box, and an opening is formed in the outer surface of the bottom of the hot water tank. According to the textile fabric desizing device for textile operation, through cooperative use of a first motor, a mounting plate, a sliding groove, a threaded rod, a sliding block and a peristaltic cam, the surface of cloth during desizing is flattened, the contact area between the cloth and desizing liquid during desizing is increased, the cloth is desized more sufficiently, the cloth desizing effect is improved, and the efficiency of the device is improved.

The invention relates to a textile fabric aftertreatment production technology. The textile fabric aftertreatment production technology comprises the following processing steps: a, an enzyme desizing process, soaking to-be-desized fabric into amylase; b, a finishing process, backwards transporting textile fabric which is soaked in the amylase and is desized in the step a, smoothening the fabric during a transportation process through the matching of two smoothening devices, and removing sundries around the fabric during a smoothening process; c, a steaming process, carrying out steaming treatment while backwards transporting the fabric which is smoothened and in which the sundries are removed in the step b; d, a twisting and washing process, carrying out bidirectional rolling and twisting on the fabric along a forward direction and a reverse direction of a transportation direction of the fabric while transporting the fabric of which the steaming treatment is completed in the step c, softening the fabric, and spraying water to wash impurities on the surface of the fabric of which the bidirectional rolling and twisting is completed by a washing mechanism. According to the textile fabric aftertreatment production technology disclosed by the invention, the problems that desizing and washing technological effects are poor and the processes are incompact are solved.

A fibre sizing agent containing polyvinyl alcohol, starch, and wax, said fibre sizing agent being characterised in that: the viscosity average polymerisation degree of the polyvinyl alcohol is 200-5000; the saponification degree of the polyvinyl alcohol is 70-99.5 mol%; the mass ratio of the polyvinyl alcohol and the starch is 90/10-1/99; the wax content is 0.5-20 mass% relative to the total solid content; the concentration of solid content included in the fibre sizing agent is 10 mass%; and the average particle size (X) of the wax in an aqueous dispersion prepared at 70 DEG C is 0.1-50 mum. Thus, provided is a fibre sizing agent with which desizing when dividing can be reduced and which has excellent weavability, fabric texture, and desizing properties.

The textile fabric desizing equipment for textiles comprises a desizing box, rotating columns, a fourth supporting plate, a fabric, sixth supporting plates, a second power device, a first rotating shaft, a first cam, a first gear, a second gear, a second rotating shaft and a second cam, wherein third supporting plates are arranged on a first supporting plate and a second supporting plate; the rotating columns are arranged on the third supporting plate; the fourth supporting plate is arranged on the two groups of rotating columns; the fabric is wound on holding rollers; winding rollers are arranged on the two groups of sixth supporting plates; guide rollers are arranged at the bottoms of two groups of seventh supporting plates; the second power device is in transmission connection with thefirst rotating shaft; the first cam is in key connection with the first rotating shaft; the second gear is meshed with the first gear; the second cam is in key connection with the second rotating shaft; and a baffle is arranged at the bottom of the fourth supporting plate. According to the desizing equipment, the fabric swings back and forth in desizing liquid, and the desizing effect of two facesof the fabric is guaranteed; meanwhile, through connection between a standby fabric and the fabric, desizing can be conveniently carried out on the starting end of the fabric.