34results about How to "Reduce finishing process" patented technology

The invention relates to a preparation method of an antibacterial PVC polyester coated filament. The method consists of: 1) color masterbatch preparation: weighing the following raw materials; putting the raw materials into a high-speed mixer to conduct high speed mixing; carrying out stirring cooling to 50DEG C, then transferring the mixture into a hopper, and sending the hopper into a host hopper by a conveying device; cutting the mixture into particles by a pelletizer, thus obtaining color masterbatch; 2) coating: putting polyester filament into a filament rack, penetrating a mold by a tensioner positioning device, and mounting the mold into a diverter; adding the color masterbatch into a hopper, carrying out heating plasticizing, then bringing the color masterbatch to the diverter by a host motor; letting a traction disc drive the polyester filament to perform coating through the diverter; and conducting cooling with cooling water, then bringing the filament into an automation line, performing detection, and then conducting rolling-up. The carrier resin with polyvinyl chloride as the color masterbatch is added with an antibacterial nano material, the polyester filament is colored, and is also endowed with good antibacterial properties. The stiffness handfeel of the polyester filament is enhanced, and the finishing process of additional application of a stiffening agent in a follow-up processing process of polyester window decorations can be eliminated.

The invention discloses a method for endless rolling of sectional material and rod and wire material and a flexible connecting device thereof, which realize seamless connection of all-line rolling and continuous molding from crystallizers to finished products. The invention comprises that a flexible connecting rolling mill device is arranged on a conventional continuous casting-continuous rolling production line, wherein the flexible connecting rolling mill device is in three forms: one consists of a soft pressure lower roll system; one consists of a high pressure lower roll mechanism; and one consists of the soft pressure lower roll system and the high pressure lower roll mechanism together. The flexible connecting rolling mill device is arranged between the crystallizers and the conventional continuous rolling mills in one of the three forms. The method for the endless rolling of the sectional material and rod and wire materials and the flexible connecting device thereof save three processes of continuously cast bloom cutting, secondary heating and welding, realize the seamless connection and flexible connection between the continuous casting and continuous rolling, shorten the production flow and the production line length, simplify the operation, and provide a new way for the metallurgy production to realize the energy and resource conservation, reduce the carbon emission, reduce the cost and improve the product quality and competitiveness.

The invention relates to a method and a device for removing an inner surface oxidized iron sheet of a steel pipe on line. A device for removing an inner surface oxidized iron sheet of a steel pipe from the tail of the steel pipe is arranged behind a stepping type reheating furnace, and the inlet section of a stepping type cooling bed is provided with a device for removing the inner surface oxidized iron sheet of the steel pipe from the head of the steel pipe. After the tail and the head of the steel pipe are detected by a hot metal detector, the device for removing the inner surface oxidized iron sheet of the steel pipe from the tail of the steel pipe sprays high-pressure water to an inner hole of the tail of the steel pipe and removes the oxidized iron sheet of the inner hole of the steel pipe, and the device for removing the inner surface oxidized iron sheet of the steel pipe from the head of the steel pipe sprays high-pressure water and a high-pressure gas to the inner hole of the head of the steel pipe so as to remove oxidized slag retained in the inner hole of the steel pipe. The inner surface oxidized iron sheet of the steel pipe is removed on line behind the stepping type reheating furnace and at the inlet section of the stepping type cooling bed, and the finishing procedure of the rear part of the steel pipe is reduced. The invention not only saves the cost of acid washing, shot blasting and grinding but also improves the production efficiency.

The invention discloses a bio-based rubber sole. The bio-based rubber sole comprises the following components in parts by weight: 40 parts of bio-based solution polymerized styrene-butadiene rubber, 16 to 24 parts of a bio-based ethylene propylene diene monomer, 38 to 46 parts of natural rubber, 35 to 40 parts of white carbon black, 2.1 to 2.8 parts of a silane coupling agent, 0.7 to 1.1 parts of stearic acid, 0.6 to 0.9 part of an anti-aging agent, 1.9 to 2.5 parts of an active agent, 3.2 to 3.8 parts of zinc oxide, 0.7 to 1.5 parts of polyethylene wax, 1.0 to 1.8 parts of an anti-frosting agent, 0.9 to 1.4 parts of tackifying resin, 1.2 to 1.8 parts of vulcanization accelerator, and 1.9 to 2.3 parts of insoluble sulfur. When the bio-based solution polymerized styrene-butadiene rubber is prepared and polymerized, carboxylated solution polymerized styrene-butadiene rubber, zinc oxide, stearic acid and epoxidized soybean oil are internally mixed in an internal mixer to construct an ester group cross-linked network structure, and the advantage that oil is not separated out is achieved. Besides, during vulcanization molding, ion pairs formed by zinc ions and carboxyl groups in a rubber material can be used as reinforcing points, so a crosslinking degree is improved, and the mechanical property of a bio-based rubber outsole is improved.

The invention discloses a sizing agent combination which comprises, by weight, 1-3 parts of thickener, 0.5-1.5 parts of crease-resistant agent, 2-4 parts of potato oxidized starch, 0.2-0.5 part of antifoaming agent, 0.5-1 part of leveling agent and 90-95 parts of water. By means of the synergistic effect of all the constituents, the water retention capacity and viscosity of the sizing agent combination are improved, and the dyeing effect of dye-based ink is good. Fabric subjected to digital printing by means of the sizing agent combination can be colored deeper and brighter, the color design is clear, and stain bleeding is avoided. Due to the adoption of the crease-resistant agent, the crease resistance of silk and wool blended fabric is improved greatly, the finishing process conducted after the silk and wool blended fabric is printed is omitted, and energy is saved. Due to the adoption of the antifoaming agent, even sizing is achieved by means of the sizing agent combination, no foam is generated, and the printing effect is improved.

The invention discloses an anti-slippery bio-based rubber shoe sole and a preparation method and a mold thereof. The anti-slippery bio-based rubber shoe sole comprises the following components in parts by weight: 50 parts of bio-based solution polymerized styrene-butadiene rubber, 26 to 34 parts of carboxylated nitrile rubber, 16 to 24 parts of epoxidized natural rubber, 35 to 50 parts of white carbon black, 2.1 to 2.8 parts of a silane coupling agent, 1.2 to 1.5 parts of stearic acid, 1.0 to 1.3 parts of an anti-aging agent, 1.9 to 2.5 parts of an active agent, 4 to 6 parts of zinc oxide, 1.2 to 1.5 parts of polyethylene wax, 1.4 to 1.8 parts of an anti-frosting agent, 1.3 to 1.7 parts of tackifying resin, 1.0 to 1.2 parts of a vulcanization accelerator, and 1.1 to 1.5 parts of insoluble sulfur. When the bio-based solution polymerized styrene-butadiene rubber is prepared and polymerized, carboxylated solution polymerized styrene-butadiene rubber, zinc oxide, stearic acid and epoxidized soybean oil are internally mixed in an internal mixer to construct an ester group cross-linked network structure, and the advantage that oil is not separated out is achieved. Besides, during vulcanization molding, ion pairs formed by zinc ions and carboxyl group in a rubber material can be used as reinforcing points, so a crosslinking degree is improved, and the mechanical properties of a bio-based rubber outsole are improved.

The invention discloses a preparation method and an application process of anionic block silicone oil capable of being dyed in one bath, and the preparation method comprises the following steps: carrying out condensation reaction on double-end epoxy silicone oil, polyether amine and polyethylene polyamine in an organic solvent to obtain amino-terminated ternary block silicone oil; and adding dicarboxylic anhydride into the amino-terminated ternary block silicone oil, stirring for reaction, and adding an alcohol amine compound to obtain an anion modified ternary block silicone oil softener. The method has the advantages that the block silicone oil is subjected to anion modification, so that the organic silicon softening agent can be self-emulsified and dispersed in water, and the ionic property of the organic silicon softening agent is the same as that of raw materials in pretreatment and dyeing processes, so that the problem of material precipitation caused by mutual adsorption of anions and cations is avoided, and a dyeing and softening one-bath process is realized; therefore, the after-finishing process is reduced, the production efficiency is greatly improved, and the problems of color spots and color spots frequently occurring in the after-finishing process are also avoided.

The invention provides a dyeing and finishing process of an antipilling-antistatic yarn and an automatic impregnator for the dyeing and finishing process, belongs to the technical field of textile machinery, and solves the problems of insufficient impregnation of yarns and shortage of the dyeing and finishing process with antipilling and antistatic performance. The dyeing and finishing process for the yarn with waterproof properties comprises the following steps: A, inspecting blanks, B, finishing, C, putting into a vat, D, carrying out hank dyeing; E, preparing an antipilling-antistatic staining solution, F, carrying out impregnation, G, drying, H, inspecting quality, I, packing, and J, putting in storage. The automatic impregnator for the dyeing and finishing process comprises a working table, a hank knotting cylinder is arranged on one side of the working table, a sliding positioning mechanism which can enable the hank knotting cylinder and the working stable to relatively slide is arranged between the hank knotting cylinder and the working stable, an upright column is fixed on the working stable, and a lifting mechanism which can enable a compressing plate to move up and down is arranged between the upright column and the compressing plate. The automatic impregnator disclosed by the invention has the advantages of high dyeing efficiency, sufficient impregnation and the like.

The invention discloses a preparation method of an aromatic towel. The method mainly comprises the processes of color paste preparation, printing, drying, tentering and the like. The printing color paste is prepared from the following components in percentage by weight: 1-5% of pigment, 1.5-3% of thickening agent, 15-20% of binder, 2-5% of aromatic microcapsule and the balance of water. A rotary screen printing machine is used for printing; the drying temperature is within the range of 80-100 DEG C and the drying time is within the range of 3-5 minutes. The preparation method has the advantages of simple process, short process flow, low pollution, low cost and the like; and the aromatic microcapsule is added to the pigment color paste, and consequently, the produced towel product is lasting and pure in aroma.

The invention discloses a method for improving post-welding comprehensive performance of a large-diameter thin-wall duplex stainless steel joint, belongs to the technical field of welding, and solves the technical problems that the welding state performance of a large-diameter thin-wall duplex stainless steel pipe is insufficient, and a heat treatment state welded pipe collapses and deforms. The method comprises the following steps that firstly, welding process regulation and control are carried out, in the welding process, welding heat input is strictly controlled according to the characteristics of a dual-phase steel material, and sigma phase precipitation is reduced; and secondly, heat treatment process regulation and control are carried out, the relative content of alpha/gamma phases is regulated and controlled, the harmful sigma phase is eliminated, meanwhile, the stress distribution rule of a welded pipe is calculated and analyzed, an auxiliary device for preventing deformation of the welded pipe in the heat treatment process is assembled in the pipe, the obtained welded pipe has excellent comprehensive performance and does not have obvious collapse deformation, the subsequent finishing procedure is obviously reduced, and the product performance is greatly improved.

The invention discloses a drawing method of an EPS foam-epoxy resin composite mold applied to sand mold casting. The drawing method comprises the following steps: S1, preparing an epoxy resin plate material with the thickness being 1-5mm; S2, manually splicing EPS foam plates to form a model with the maximum size required by the mold, and integrally feeding the model into an engraving machine forprocessing to obtain a mold sample; S3, cutting, polishing and sanding the epoxy resin plates according to the specific shape and size requirements of the parting surface of the mold sample to obtainepoxy resin reinforcing plates, and attaching the epoxy resin reinforcing plates to the drawing part of the mold by using an adhesive; and S4, during mold drawing, fixing the mold to a molding flat plate through vacuum adsorption equipment, jacking up a sand box and the sand mold through synchronous hydraulic equipment, so as to complete the mold drawing procedure. The epoxy resin reinforcing plate is additionally arranged on the molded surface of the EPS foam mold, mold drawing can be balanced, the stress point can be reinforced, the overall strength of the mold is improved, and the problemsthat the mold is prone to deformation and difficult to draw in the mold process are solved.

The present invention relates to a kind of fluorine-containing polycarboxylic acid compound and its use. Its structural formula is as follows: ∴ or ∴ wherein: Rf- represents 2-12 carbon polyfluorinated or perfluorinated compounds including saturated and unsaturated carbon chains. carbon chain. It is a dyeing and finishing auxiliary with anti-wrinkle, waterproof and oil-proof properties.