576 results about "Microfiber" patented technology

Sheets of material used in medical devices and filters are disclosed. The sheets may include a fibrous mat including a plurality of microfibers. The microfibers may include a polymer matrix and a plurality of additive particles. The additive particles may include carbon material particles, therapeutic micro particles, and any combination thereof. Medical devices and filters that use the sheets are disclosed. Methods of producing the sheets are also disclosed.

The application relates to a continuous macro-preparation device and method of a soft and elastic ceramic superfine fiber material, which sequentially comprises a feeding and liquid preparation system, a multi-jet uniform electrostatic spinning system, a low-temperature calcination system and a winding system. Raw materials are mixed, low-temperature dispersed and vacuum concentrated to obtain a sol; the sol and a polymer flow into a polymer mixing device to be mixed and bubble removed; the mixed sol flows into an inorganic component content control device to be pumped by negative pressure to obtain a spinning solution; the spinning solution flows into a multi-jet electrostatic spinning module to adjust and control the temperature, humidity and multi-directional differential speed during spinning to obtain a fiber membrane material or a fiber flake material; the fiber material is sequentially transmitted to a drying area, a microwave pretreatment area, a polymer removal area, an oxygen-poor atmosphere heat treatment area and a cooling area to be calcined in multiple temperature zones to obtain the soft and elastic ceramic superfine fiber material; and winding and packaging are realized to realize the continuous macro-manufacture of the soft and elastic ceramic superfine fiber material.

The invention belongs to the technical field of non-woven materials and membrane separation, and particularly relates to a separation membrane supporting body with an interlocking structure and a preparation method thereof.The method comprises the steps that firstly, low-crystallinity and sulfonation-modified superfine polyester fibers are introduced into compact layer slurry, and framework polyester fibers and polyester heat bonding fibers are introduced into framework layer slurry; then forming a double-layer wet net by utilizing a double-flow-channel wet-process net forming device, applying gradient increasing negative pressure on one side of the skeleton layer, and enabling the superfine fibers to migrate from the compact layer to pores of the skeleton layer in a controlled manner by virtue of a viscous dragging effect of directional high-speed water flow on the superfine fibers, so as to form a gradient transition interlocking interface layer; finally, plastic deformation of the low-crystallinity fibers and fusion welding of the bonding fibers are utilized, an interlayer structure is locked through segmented hot pressing of a rough pressing section and a fine pressing section, and then cooling shaping is conducted. The prepared separation membrane support has the advantages of excellent interlayer peel strength, ultralow surface roughness, high air permeability, wide adaptability and high safety of the preparation process.

The invention discloses leather-imitated superfine fiber layered synthetic leather and a production process thereof, and belongs to the technical field of synthetic leather. The production process of the synthetic leather comprises the following steps: carrying out superfine fiber alkali treatment and DMC / HEMAP / UV-1 monomer graft copolymerization modification; forming a fiber net by air laying and gradient needling; anionic water-based PU resin containing wood powder is used for impregnation reinforcement, and soft hydrolysis-resistant water-based PU resin is used for coating to form a porous surface layer; and performing wet solidification, bionic embossing, cationic dye dyeing and surface finishing to obtain a finished product. Through fiber modification, gradient structure, bi-component PU cooperation and process optimization, the problems that traditional synthetic leather is hard in hand feeling, poor in breathability, low in texture simulation degree, difficult to dye, weak in interlayer binding force and the like are solved, and the product has high simulation degree and excellent comprehensive performance and stability.

The invention discloses modified flow state solidified soil based on a solid waste base and a preparation method of the modified flow state solidified soil. The stabilized soil comprises engineering residue soil, slag, cement, a water reducing agent, wollastonite microfibers subjected to surface modification by a silane coupling agent, an amide monomer, an initiator, an initiator promoter and an early strength agent. Through the synergistic modification effect of in-situ polymerization and wollastonite microfibers, the pressure resistance, crack resistance, toughness and the like of the solidified soil with high solid waste content and high fiber doping amount are remarkably improved. The preparation method is simple, low in cost, convenient to construct and suitable for industrial application.

A floor cleaning / refurbishment pad that includes a support layer, the support layer having a central region and an outer peripheral edge defining an outer support layer dimension, a loft material layer overlaying the support material layer and connected thereto, the loft material composed of at least one loft material and the microfiber loft material layer having a height HL and an outwardly facing surface and an agitator / abrasive strip overlaying a portion of the support material layer and connected thereto, the agitator strip having a height HA and an outwardly facing surface.

The invention discloses a medical bio-based high-toughness waterproof breathable polyurethane film and a preparation method thereof. The film sequentially comprises a compact bottom layer, a reinforced breathable middle layer and a compact upper layer, the enhanced breathable middle layer is a melt-blown superfine fiber non-woven fabric; the compact upper layer and the compact bottom layer are antibacterial modified bio-based polyurethane film layers. The preparation method comprises the following steps: preparing antibacterial bio-based polyurethane slurry; coating a bottom layer; laying a middle layer; coating and compounding an upper layer; drying and hot-pressing shaping; and post-processing. The hydrostatic pressure resistance of the obtained film is gt; the HO is 75 cm, and the water vapor permeability is gt; the tensile strength gt is 4000 g / m.24 h; the tearing strength is gt; the antibacterial rate gt is 600 mN; the medical film integrates breathability, toughness and waterproofness, is excellent in comprehensive performance, and can meet the use requirements of the medical film.

A hygienic towel adapted to lay flat on unusually shaped gym equipment is provided. The towel comprises a moisture-wicking, absorbent and quick drying material such as microfiber treated with a wash-resistant antimicrobial solution to effectively inhibit the growth of bacteria and viruses on the material. The towel comprises a plurality of flaps extending from a top end that enable the towel to lay flat over the length of an exercise platform such as a Pilates reformer carriage, accounting in particular for shoulder blocks that generally protrude vertically from the carriage. The towel also comprises friction-increasing elements on its underside as well as a means for removably securing the towel to the exercise platform.

The invention discloses a packaging box special for medical treatment, and relates to the field of packaging boxes for medical treatment. The plant fiber composite material is prepared from the following raw materials in parts by weight: 80-95 parts of plant fiber slurry, 3-10 parts of chitosan, 5-15 parts of polylactic acid, 1-5 parts of nano silicon dioxide, 0.5-3 parts of an environment-friendly water repellent agent, 2-8 parts of reinforced fibers, 3-8 parts of a reversible moisture absorption phase change material and 0.1-0.5 part of a degradation indicating pigment. The plant fiber slurry is adopted as a bio-based framework, chitosan microfibers, polylactic acid, nano silicon dioxide, a reversible moisture absorption phase change material and other functional components are innovatively introduced, and an antibacterial trigger layer and degradation indication pigment on the inner surface are matched, so that the packaging box keeps good mechanical strength and structural stability, and meanwhile the packaging box has the advantages that the packaging box is not prone to deformation, and the service life is prolonged. And multiple functions of active on-demand antibiosis, dynamic humidity adjustment, visual degradation tracking and full bio-based degradability are achieved.

The invention discloses a functional regenerated polyester-nylon composite superfine fiber and a preparation method thereof, and belongs to the technical field of composite fibers. The fiber is of a core-skin structure, a core layer is made of modified regenerated polyester containing superfine graphite, polyethylene glycol and an antibacterial additive, and a skin layer is made of modified regenerated chinlon containing a chain extender, a silane coupling agent and an antibacterial additive; the preparation method comprises the steps of regenerated raw material ultrasonic cleaning, melting chain extension, modified melt preparation, composite spinning and post-treatment splitting. The single fiber linear density of the fiber is 0.142-0.150 dtex, the breaking strength is larger than or equal to 6.5 cN / dtex, the thermal decomposition temperature is larger than or equal to 345 DEG C, the antibacterial rate is larger than or equal to 99.2%, the specific surface area is larger than or equal to 15200 cm < 2 > / g, and the fiber is excellent in comprehensive performance and can be used in the field of high-end electronic dust-free cloth. And the utilization rate of regenerated raw materials is not less than 90%.

The invention relates to the technical field of bio-based degradable high polymer materials, in particular to a bio-based degradable pearl wool microcellular foaming material. The composite material is prepared from the following components in parts by mass: 70-85 parts of a bio-based polyester resin composite system of polylactic acid and poly (terephthalic acid)-butylene adipate (in a mass ratio of 60: 40-75: 25), 10-20 parts of bagasse microfibers modified by a silane coupling agent, 1.5-4 parts of a composite nucleating agent of flaky talcum powder and spherical nano calcium carbonate (in a mass ratio of 1.5: 1-2.5: 1), the bio-based plasticizer is prepared by compounding epoxidized soybean oil and tributyl citrate, the montmorillonite degradation accelerant is loaded with iron and cobalt ions (the molar ratio is 3: 1-5: 1), and the mixed foaming agent is prepared from 5-12 parts of supercritical carbon dioxide and nitrogen (the volume ratio is 60%-85%). A bio-based polyester composite system of polylactic acid and PBAT is adopted, silane modified bagasse microfibers are matched, montmorillonite loaded with iron and cobalt ions serves as a degradation accelerant, a bio-based plasticizer and the like are combined, and the composite material is prepared through a twin-screw extrusion melt blending and supercritical fluid foaming technology.

The invention relates to the technical field of lithium ion batteries, in particular to a high-temperature-resistant lithium battery diaphragm with directionally arranged glass fibers and a preparation method of the high-temperature-resistant lithium battery diaphragm. The method comprises the following steps: firstly, removing impurities such as an infiltrating agent from glass fiber yarns in a 285-400 DEG C heating mode or an ultrasonic washing mode, then uniformly arranging 5-10 microns of glass fiber yarns into a longitudinal glass fiber net at an interval of 1-5 microns in a warping mode, and transferring the longitudinal glass fiber net to a melt-blowing station; transversely spraying PE or PP to the surface of the fiber net through a spinneret plate to form a superfine fiber network, and compounding through a hot pressing roller to obtain glass fiber melt-blown cloth; coating PP / PE / ceramic / aramid fiber / PVDF slurry on the melt-blown cloth, and heating and drying to form a 3-5 micron coating; and carrying out high-temperature hot pressing at 120-160 DEG C for 10-30 seconds, rolling and flattening, and slitting to obtain a finished product. According to the diaphragm, the high temperature resistance and the mechanical strength of the lithium battery diaphragm are remarkably improved through combination of oriented glass fiber reinforcement and a spray melting process, and the requirement of a lithium ion battery on the high temperature resistance of the diaphragm is met.

The utility model relates to the technical field of sports equipment, and provides a soft kettle bell which comprises a PU shell, a through hole, a base, a handle and a protection assembly, the PU shell is provided with the through hole, the through hole is rotatably connected with a matched connecting cover, the handle is connected to the PU shell, the base is arranged at the bottom of the PU shell, and the outer surface of the PU shell is wrapped with the protection assembly; the protection assembly comprises fiber gridding cloth, anti-collision cotton and microfiber leather, one side of the fiber gridding cloth is bonded on the PU shell, the other side of the fiber gridding cloth is bonded with the anti-collision cotton, and the microfiber leather is bonded on the anti-collision cotton. According to the integrated lifting handle, the stability and firmness of the overall structure are effectively enhanced, and the overall service life is prolonged; the detachable handle can be quickly replaced and is convenient and practical; the gripping comfort can be effectively improved by matching with an anti-skid pad; the stability of the whole structure is enhanced through the base, placement is convenient, and rolling is prevented; the pressure resistance, wear resistance and flexibility of the structure are achieved through the protection assembly, and the service life is prolonged.

The invention belongs to the field of bionic electronic materials and application, and discloses a dipeptide amino acid sequence with a piezoelectric effect, a dipeptide piezoelectric fiber film is prepared from the dipeptide amino acid sequence through a drop casting method, a meniscus driving method and an electric field induction meniscus driving method, and the obtained fiber film is assembled into an application example of a piezoelectric generator. The amino acid sequence of the dipeptide with the piezoelectric effect is Fc-L-Phe-L-Phe-OH, in the formula, Fc is a ferrocene benzoic acid group, Phe represents phenylalanine, and L represents the chirality of used amino acid. The dipeptide micron fiber thin film which is large in area and closely arranged is prepared by utilizing a drop casting method, a semilunar driving method and various methods of introducing a regulation and control electric field in a semilunar driving method membrane preparation process. The obtained fiber film is assembled into a piezoelectric generator of a sandwich structure, the piezoelectric output performance of the piezoelectric generator is closely related to the preparation method of the fiber film, and the piezoelectric performance of the dipeptide fiber film can be remarkably improved through an electric field induction meniscus driving method.

The invention relates to the technical field of sewage / black and odorous water body treatment, in particular to an efficient total phosphorus filtering device and a control method thereof. The efficient total phosphorus filtering device comprises a filter element which comprises an outer PP crude fiber filter material layer, a middle PP fine fiber gradient layer and an inner PP superfine fiber densified layer which are arranged in sequence; wherein the porosity of the outer-layer PP crude fiber filter material is 80-90%, and the aperture of the outer-layer PP crude fiber filter material is 0.9-1.0 [mu] m; the porosity of the middle PP fine fiber gradient layer is 78%-65%, and the aperture of the middle PP fine fiber gradient layer is 0.8-0.5 [mu] m; and the porosity of the inner PP superfine fiber densified layer is 40-60%, and the aperture of the inner PP superfine fiber densified layer is 0.22-0.4 mu m. According to the filter element provided by the invention, through pure physical structure innovation, the colloidal phosphorus rejection rate can be more than 90% (0.22-1 mu m) on the premise of not using chemical modification; furthermore, the efficient total phosphorus filtering device provided by the invention realizes zero chemical addition, and creates a new green water treatment path.

The invention belongs to the technical field of fabrics, and particularly relates to a preparation method of a cool superfine fiber fabric, clean sepiolite particles and graphene oxide powder are obtained by grinding and cleaning sepiolite and cleaning graphene oxide powder, and then melt extrusion is performed on the sepiolite particles and the graphene oxide powder, PET slices, an antioxidant and a dispersing agent to obtain the cool superfine fiber fabric. And spinning and weaving to obtain the cool superfine fiber fabric. According to the cool fabric, the defects of an existing cool fabric are overcome, the adsorption difference between the sepiolite fine powder and graphene oxide is utilized to form separable adsorption of dust and water, and meanwhile, due to the strong water absorption of sepiolite and the variability of a pore structure, the dust adsorption difficulty is greatly improved, and combination of dust and water is reduced.

A solid electrolyte membrane having favorable characteristics and a method of forming the same are provided. A solid electrolyte membrane 40 is composed of a non-woven fabric (ultrafine fiber non-woven fabric) UFN and solid electrolyte particles 4AP incorporated therein. Also, the non-woven fabric UFN includes a fiber (ultrafine fiber UF) made of a resin containing a polar filler. A method of manufacturing the solid electrolyte membrane 40 includes a step of preparing the non-woven fabric UFN including a fiber made of a resin containing a polar filler, a step of applying a slurry S containing the solid electrolyte particles 4AP onto the non-woven fabric UFN, and a step of heating while pressurizing the slurry S on the non-woven fabric UFN. Further, the non-woven fabric UFN is formed by making the resin containing the polar filler be a fibrous form by a laser electrospinning method.

The application belongs to the technical field of new materials in textile engineering, and provides an antibacterial aromatic microfiber suede fabric and a preparation method thereof.The preparation method comprises the following steps: placing a fabric into a 2-methylimidazole solution for immersion treatment; after the immersion treatment is completed, a zinc source solution is added into the 2-methylimidazole solution for reaction to obtain a fabric with MOF nanorods on the surface; electrospun nanofibers loaded with aromatic essential oils are deposited on the fabric with MOF nanorods on the surface to obtain an antibacterial aromatic textile base cloth layer; and the antibacterial aromatic textile base cloth layer is bonded on a microfiber suede layer to obtain the antibacterial aromatic microfiber suede fabric.The antibacterial aromatic microfiber suede fabric prepared by the application has good antibacterial performance and aromatic release function when applied to automobile interior materials.

The invention discloses a sintering method of a stainless steel fiber felt. The method specifically comprises the following steps: S1, stacking at least one stainless steel fiber to form a stainless steel fiber felt blank with a gradient composite structure; s2, the stainless steel fiber felt blank is placed in an oxygen-containing atmosphere to be subjected to pre-oxidation treatment, and a stainless steel fiber felt blank loaded with a Cr2O3 / Fe2O3 composite oxide layer is obtained; and S3, the stainless steel fiber felt blank loaded with the Cr2O3 / Fe2O3 composite oxide layer is subjected to reduction sintering treatment, and the stainless steel fiber felt is obtained. The stainless steel metal fiber felt is sintered through an oxidation-reduction two-step method, the tensile strength and elongation of the stainless steel metal fiber felt can be improved, and the industrial problems that the low-temperature sintering binding force of superfine fibers (the diameter is smaller than 2 micrometers) is poor, the high-temperature sintering neck is abnormally large, and an effective binding interface is difficult to form can be solved.

The utility model relates to the field of leather products and shoemaking technology, especially a kind of high-performance microfiber leather base sports shoes leather, including base, waterproof function layer and wear-resistant coating, the top of base is provided with ventilative function layer, several ventilative micropores are evenly distributed on the upper end of ventilative function layer, waterproof function layer is covered on ventilative function layer, contact angle is not less than 120 °, wear-resistant coating is set to the side of sports shoes leather and ground contact, with anti-skid texture.The utility model relates to a kind of high-performance microfiber leather base sports shoes leather, by ventilative, waterproof, wear-resistant and anti-skid key performance is integrated in one body.Ventilative micropore is rectangular array distribution and aperture precision design, can efficiently discharge shoe in moisture, keep dry, inhibit bacteria breeding;Multi-layer waterproof layer is collocated with stable outer frame, waterproof is strict, and is not afraid of damp environment.Wear-resistant coating and anti-skid texture cooperate, wear-resistant at the same time grip ground force is strong, adapt to various sports scenes.

The utility model relates to the technical field of leather sueding machines, and discloses a sueding machine for microfiber leather production, the side end of a base is fixedly provided with a side plate for supporting, the upper end of the side plate is fixedly provided with a top plate for placement, and the lower end of the top plate is fixedly connected with an upper polishing plate through a fixing shaft; a plurality of polishing rollers used for use are movably connected into the upper polishing plate, a plurality of protrusions are evenly arranged on the surfaces of the polishing rollers, a first motor drives a bevel gear to be meshed with a driven wheel, stable rotation of the polishing rollers in the upper polishing plate is achieved, meanwhile, through accurate control over a lifting assembly, a lower polishing plate can flexibly move up and down, and the polishing efficiency is improved. The square frame is arranged on the upper grinding plate and is tightly matched with the upper grinding plate, the double-face grinding effect is achieved, in the grinding process, the bristle layer in the square frame can effectively clean dust and impurities on the surface of the microfiber leather, scratches or damage caused by impurity mixing in the grinding process are avoided, the ground microfiber leather passes through the bristle layer again, and the grinding efficiency is improved. And cleanliness and smoothness of the polishing effect are ensured.

The invention belongs to the technical field of bio-based high polymer material processing, and particularly relates to a gutta-percha micron fiber membrane and a preparation method thereof. The method comprises the following steps: 1) mixing a good solvent and a high-boiling-point solvent in proportion to form a mixed solvent, and dissolving eucommia ulmoides gum in the mixed solvent to prepare a spinning solution; and 2) carrying out electrostatic spinning by using the spinning solution to obtain the gutta-percha micron fiber membrane. By constructing a special and effective composite solvent system, the phase change and crystallization behaviors of the gutta-percha in the solvent system and in the electrostatic spinning process are changed, and meanwhile, various properties of the gutta-percha electrostatic spinning fiber membrane are greatly improved in cooperation with a corresponding special electrostatic spinning treatment process.

The utility model belongs to a female hygienic product, and discloses a washable sanitary pad which comprises an outer layer and an inner layer, the outer edge of the outer layer is sewn into a whole, the inner layer is attached to the skin of a human body, the outer layer is an integral all-cotton plain-color knitted fabric layer, the inner layer is arranged in the middle of the outer layer and arranged in the length direction, and the outer edge of the inner layer is sewn into a whole. The inner layer is composed of a superfine fiber fabric layer and a graphene fabric layer, the superfine fiber fabric layer is located in the middle and is of a structure with at least two layers, the graphene fabric layer is attached to the skin, and the outer sides of the superfine fiber fabric layer and the graphene fabric layer are subjected to overlocking to form peanut shapes and then are fixedly connected with the all-cotton plain-color knitted fabric layer in a sewing mode. The washable sanitary pad disclosed by the utility model can be repeatedly washed, so that the environmental protection property of the sanitary pad is improved; besides, the part in contact with the skin is made of graphene fabric which is in a honeycomb shape when encountering water, is durable in bacteria resistance and bacteriostasis, comfortable and breathable, or the part can also be made of double-face yarn fabric, a double-face yarn water absorption layer can be inserted in the middle according to requirements, the absorption performance is good, and the absorption amount is increased.

The utility model discloses thin superfine fiber synthetic leather for edge covering, which comprises a semicircular synthetic leather body, polyester fiber reinforcing layers are arranged at two ends of the diameter of the synthetic leather body, and a polyurethane reinforcing layer is arranged at the arc top end of the synthetic leather body. Polyester reinforcing layers are arranged between the polyester fiber reinforcing layers and the polyurethane reinforcing layer, a first cavity defined by the two polyester fiber reinforcing layers and the polyester reinforcing layer is filled with an elastic material, and a second cavity defined by the polyester fiber reinforcing layer located at the top end of the synthetic leather body, the polyurethane reinforcing layer and the polyester reinforcing layer is filled with a nylon polymer. The third cavity defined by the polyester fiber reinforcing layer located at the bottom end of the synthetic leather body, the polyurethane reinforcing layer and the polyester reinforcing layer is filled with the compression-resistant composite material, the compression resistance and the abrasion resistance of the thin superfine fiber synthetic leather for edge covering are enhanced, the space is reasonably utilized through the cavities filled with different materials, and the service life of the synthetic leather is prolonged. The thickness of the synthetic leather is reduced; meanwhile, the overall performance is enhanced.

The goal of the present invention is to provide a double-wool biocomposite air filter material and production method thereof, which is fully biodegradable and can be processed and enriched from animal wool. The double wool biocomposite air filter material is composed of (a) a Micro-cotton blend layer of PPK microfibers produced by processing biocomposite pellets from washed and combed coarse wool, a diameter of up to 22±10 micrometers and spunbonded with washed and combed wool, and (b) a layer of PPK nanofibers with a diameter of 0.2-1 micrometers, produced by processing biocomposite pellets from washed and combed coarse wool.

This invention belongs to the field of textile materials technology, and relates to a lyocell ultrafine fiber based on supercritical carbon dioxide-induced fibrillation and its preparation method. This invention combines supercritical carbon dioxide finishing with mechanical finishing, achieving efficient and controllable ultrafine lyocell fiber processing by controlling the temperature (50-70℃), pressure (28-32MPa), treatment time (90-120min), and depressurization rate (30-60s) of supercritical CO2. The entire lyocell fiber splits into countless ultrafine fibers, and the microcracks generated inside the fibers are fine and uniform, while maximizing the preservation of the fiber's inherent strength.

The application relates to a preparation method and application of a microfiber base fabric with low oligomer urethane content, and the preparation method is as follows: sequentially laying a first island fiber web, a woven fabric and a second island fiber web from bottom to top, carrying out needle punching to prepare a composite non-woven fabric; then carrying out heating and ironing treatment on the obtained composite non-woven fabric to realize complete shrinkage of the composite non-woven fabric; then immersing the ironed composite non-woven fabric in a water-based polyurethane preparation solution, and then carrying out drying; and then carrying out a fiber opening process to prepare a product, wherein the polyurethane content in the base fabric is greater than or equal to 10 wt% and less than 25%; and the application is that the product is subjected to dyeing treatment to prepare low-color-migration microfiber leather; the method is simple, the prepared product has lower polyurethane content and small deformation, and has good dimensional stability; and the product is applied to dyeing, and has good dyeing effect.

The invention discloses a durable multilayer reflective film and a preparation method thereof. The reflective film sequentially comprises a release layer, a pressure-sensitive adhesive layer, a film base layer, a fiber skeleton layer, a reflective adhesive layer, a microporous buffer layer and a protective layer from bottom to top. The fiber skeleton layer is of a mesh structure formed by interweaving microfibers with the diameter of 1-10 microns, glass beads are mainly distributed in meshes, and the glass beads and the water-based bonding slurry jointly form a fixation structure of mechanical locking and adhesive fixation. The micropore buffer layer is located between the reflective adhesive layer and the protective layer, and communicated micropores are obtained by coating a coating containing a pore-forming agent precursor and dissolving out or thermally decomposing the pore-forming agent. The preparation method comprises the following steps: treating the surface of the base film, laying the fiber skeleton, coating the water-based bonding slurry, spreading the glass beads, curing, preparing the microporous buffer layer, covering the protective layer, coating the pressure-sensitive adhesive on the back surface, and covering the release layer. The reflective film provided by the invention has high glass bead fixation fastness, bending durability and wet reflective performance.

The utility model provides a kind of high comfort no-wrinkle microfiber synthetic leather, including from top to bottom sequentially compounded release paper, surface sizing layer, middle layer sizing layer, bottom sizing layer, pure TPU layer, PUR resin layer, dry method resin base material layer and microfiber layer;The pure TPU layer is adhered to the surface of dry method resin base material layer by PUR resin layer.The high comfort no-wrinkle microfiber synthetic leather of the utility model has no-wrinkle performance while ensuring wearing comfort.

The present application relates to cloth winding machinery technical field, specifically, it relates to a kind of wrinkle prevention winding device for ultra-fine fiber cleaning cloth production, it includes winding machine body, the end of the two support adjusting seats being close to each other is provided with heating ironing board, the end of the two heating ironing boards being close to each other is provided with steam outlet support frame, multiple air inlet grooves are formed in the inner side of steam outlet support frame, multiple air jet micropores are formed in the end of the two steam outlet support frames being close to each other, multiple ultra-fine fiber cloth insertion grooves are formed in the inner side of steam outlet support frame, the outer side of sliding sleeve is fixedly connected with sliding mounting plate, the structural design of the equipment by steam outlet support frame cooperates ultra-fine fiber cloth insertion groove, can be uniformly pulled and stretched flat to cloth;While in the operation process of winding sleeve replacement, winding assembly dismounting, equipment can continuously complete cloth flattening operation without stopping, effectively guarantee the continuity of production operation, substantially improve overall production efficiency.