31results about "Non-woven fabrics" patented technology

A multi-colored flocked article is provided having a plurality of flock and adhesive regions. Each flock region is defined by a plurality of flock fibers that are substantially the same in color and are substantially free of light dispersants, such as titanium dioxide. Further, each flock region is of a different color relative to an adjacent flock region to form a patterned, multi-colored design. Each of the plurality of adhesive regions corresponds to a flock region and includes a colored adhesive. The color of the adhesive is at least similar or substantially similar in color to the flock fibers in the corresponding flock region.

Processes for preparing ultra-high molecular weight polyethylene yarns, and the yarns and articles produced therefrom. The surfaces of partially oriented yarns are subjected to a treatment that enhances the surface energy at the fiber surfaces and are coated with a protective coating immediately after the treatment to increase the shelf life of the treatment. The coated, treated yarns are then post drawn to form highly oriented yarns.

A reinforced coating for a substrate includes a bond coat layer bonded to a surface of the substrate; an intermediate layer bonded to the bond coat layer; a reinforced layer bonded to the intermediate layer, wherein the reinforced layer comprises a woven fiber mesh disposed in the reinforced layer in a substantially planar position.

A process for forming a nano-composite including mixing a first and second thermoplastic polymer in a molten state forming a molten polymer blend. The second polymer is soluble in a first solvent and the first polymer is insoluble in the first solvent. The first polymer forms discontinuous regions in the second polymer. Next, the polymer blend is subjected to extensional flow, shear stress, and heat forming nanofibers where less than about 30% by volume of the nanofibers are bonded to other nanofibers.

Next the polymer blend with nanofibers is cooled and the first intermediate is formed into a pre-consolidation formation. The pre-consolidation formation is then consolidated causing nanofiber movement, randomization, and at least 70% by volume of the nanofibers to fuse to other nanofibers. According to one aspect, the second intermediate is then subjected to the first solvent to the dissolving away at least a portion of the second polymer.

Present invention describes a patterned and coated micro- and nano-scale fibers elastomeric material for enhanced adhesion in wet or dry environments. A multi-step fabrication process including optical lithography, micromolding, polymer synthesis, dipping, stamping, and photopolymerization is described to produce uniform arrays of micron-scale fibers with mushroom-shaped tips coated with a thin layer of an intrinsically adhesive synthetic polymer, such as lightly crosslinked p(DMA-co-MEA).

A fiber mat of improved wet web strength and a process of making same is disclosed. The fiber mat comprises fibers; a resinous fiber binder; and a polyethyleneimine modified polymer.

The invention provides a technology for making a double-layer knitted inner container thermal shirt. The technology comprises the steps of material selection, material arrangement, cutting, sewing, finished product detection and the like. The mode of combining and sewing an inner layer and an outer layer and the mode of separating sewing are adopted in the sewing process. The technological steps and specific parameters of the double-layer knitted inner container thermal shirt are specifically specified in detail, meanwhile, in the making technology, manual operation and a machine are combined together, the making and producing efficiency of the shirt is guaranteed, meanwhile, the quality of the shirt is further guaranteed, the shirt made according to the technical scheme is superior in quality and style, the wearing effect is high in grade, and the shirt is a high-grade double-layer thermal shirt. The mode of combining and sewing the inner layer and the outer layer and the mode of separating sewing are adopted, the method is diversified, and the situation that after the finished shirt is washed, the shirt is wrinkled, the inner container of the shirt is exposed, or interlayer cotton is reduced and tightened, and the overall appearance of a wearer is influenced is avoided.

The invention discloses a textile fiber carding machine which comprises a feeding mechanism, a pre-carding mechanism, a main carding mechanism and a web forming mechanism, wherein the feeding mechanism comprises a feeding curtain; a rack conveyor belt is arranged in the feeding curtain; the feeding curtain is connected with a feeding roller I and a feeding roller II through the rack conveyor belt; the pre-carding mechanism comprises an opening roller, an opening cylinder, a working roller I, a working roller II, a wool stripping roller I, a wool stripping roller II and a wool stripping roller III; the feeding roller I and the feeding roller II are mutually connected with the opening roller in a matched manner; and the opening roller is mutually connected with the opening cylinder in a matched manner. The textile fiber carding machine is reasonable in process, the fibers are sufficiently carded, the single fiber rate is high, and uniformity of fiber webs is good; and the working roller and the stripping roller for roller type carding are used for carding and mixing fibers, so that the yield is high.

A pile article having a support strand for attachment to multifilament yarn to form a velour-like pile having loosely entangled filaments in spaced apart monolithic pile rows, a helically wound package of oriented pile articles for shipping and storage, and a pile surface structure comprising pile articles arranged in spaced apart rows on a substrate to form a pile surface that may be flat or moldable, and a method for making a pile surface structure by embedding the pile articles into the backing substrate. The pile surface structures may be usefully employed in automobile mats, carpets and panels.

A method for manufacturing a textile product includes the steps of providing an intermediate product formed by a backing having a front surface and a back surface, and yarns applied into the backing, the yarns extending from the front surface of the backing material, feeding the intermediate product along a body having a heated surface, the back surface being pressed against the heated surface, to at least partly melt the yarns present in the intermediate product to form the textile product, wherein the part of the back surface that is pressed against the heated surface has a relative speed with respect to the heated surface, and a device enabling applications of this method and to a floor covering incorporating such a textile product connected to a dimensionally stable carrier sheet using thermo reversible covalent interactions.

The invention provides a sealing material for preventing rodents and pests from passing through and a manufacturing process of the sealing material. The sealing material comprises metal and chemical fiber mixture textile fabric and through holes, wherein stainless steel velvet cotton and flame-retardant chemical fibers are disorderly interwoven together to form the metal and chemical fiber mixture textile fabric. The manufacturing process comprises the steps that opening, carding, layer stacking, needling, baking and hot pressing are conducted on the metal and chemical fiber mixture textile fabric so that the finished sealing material can be obtained. The metal and chemical fiber mixture non-woven textile fabric manufactured through the manufacturing process is easy and convenient to install, operation can be conducted under the condition that no professional staff are required, and the metal and chemical fiber mixture non-woven textile fabric can be repeatedly used, and is free of waste and convenient to maintain.

The invention provides a high-adsorption polylactic acid composite biofilm carrier material, which is prepared from the following raw materials by weight: 8-10 parts of diatomaceous earth, 14-18 partsof polylactic acid, 0.3-0.4 part of graphene oxide, 4-6 parts of cassava starch, 2-3 parts of gum arabic, 40-50 parts of polypropylene, 8-12 parts of chitosan, 2-4 parts of nanometer carbon sol, 3-5parts of lignocellulose, 1-2 parts of bentonite, 1-2 parts of hexadecyl trimethyl ammonium bromide, 0.5-1.5 parts of silica sol, 0.3-0.5 part of sodium humate, and 15-20 parts of water. The inventionfurther provides a preparation method of the high-adsorption polylactic acid composite biofilm carrier material. According to the present invention, the high-adsorption polylactic acid composite biofilm carrier material has advantages of light weight, large surface activation area, rich carbon source and low influence of environmental temperature change on adsorption performance; and the filler prepared from the high-adsorption polylactic acid composite biofilm carrier material has advantages of good fluidity, less agglomeration, good adsorption performance, corrosion resistance, duration, high efficiency and the like so as to further improve the water purification effect.

The invention relates to the technical field of synthetic fiber industry, in particular to a method for preparing electrospun fibers loaded with gold nanorods. A method for preparing electrospun fibers supported by gold nanorods, comprising the following steps: (1) preparation of gold nanorods; (2) preparation of PVA/PAA electrospun fibers; (3) preparation of gold nanorods on the fiber surface Self-assembly. The electrospinning fiber loaded with gold nanorods prepared by the present invention has a simple method, and the obtained fiber film SERS substrate has a good reinforcing effect, is soft and can be cut, and can be conveniently used in conventional SERS detection.

The invention discloses a preparation method of a non-woven fabric, and belongs to the field of spinning. Sodium pyrophosphate, glucose, sodium hydroxide, ferrous sulfate and water are sampled, nitrogen protection is adopted, heating and stirring are performed, and then cumyl hydroperoxide and polybutadiene are added and stirred and mixed; a stirring mixture, allyl benzene, methyl methacrylate, epoxypropyl methacrylate and dibenzyl phthalate are obtained to be added into magnesium sulfate, stirring, mixing and drying are performed, a drying object is obtained to be added into polylactic acid to be mixed, and a mixed matrix is obtained; folium eriohotryae and aloe are obtained to be mixed and homogenized, deionized water is added for digestion and suction filtration, a filtrate is obtainedfor centrifuging, a supernate is obtained to be added into a copper nitrate solution to be mixed, and an antibiotic finish solution is obtained; processed linen fiber, a dispersing solution and the antibiotic finish solution are obtained to be soaked and filtered, the linen fiber is taken to be cleaned with deionized water, and linen fiber is obtained; linen fiber, the mixed matrix, polypropyleneand sodium alginate are obtained to be mixed for opening, carding and lapping, the mixture is placed into a needle machine for needling treatment, and hot rolling is performed to obtain the non-wovenfabric.

The invention discloses isotactic polypropylene/tall oil acid/polybutadiene composite sound absorbing cotton and a preparation method thereof. The composite sound absorbing cotton is formed by a top face layer, a back face layer and a cellucotton layer arranged between the top face layer and the back face layer. The top face layer and the back face layer are made of a non-woven fabric material. The composite sound absorbing cotton is characterized in that the non-woven fabrics are prepared by the following raw materials by weight through a melt-blow method: 100 parts of isotactic polypropylene, 1-2 parts of tall oil acid, 8-10 parts of polybutadiene, 5-7 parts of solid paraffin, 1-2 parts of barium stearate, 2-3 parts of aluminium hydroxide, 14-17 parts of diethylene glycol dibenzoate, 1-2 parts of zinc borate, 12-14 parts of dry shells, 7-9 parts of basalt, 3-5 parts of apocynum venetum, 2-4 parts of white peony roots, 1-2 parts of bighead atractylodes rhizome and 4-5 parts of auxiliary. The isotactic polypropylene/tall oil acid/polybutadiene composite sound absorbing cotton has the advantages of being high in tensile property, large in product void rate and good in breathability, and improves the sound absorbing effect of ordinary sound absorbing cotton.

The invention discloses a melt-blown polypropylene material composition and a preparation method thereof. The melt-blown polypropylene material composition comprises 95-99 parts of a melt-blown polypropylene material and 1-5 parts of electret master batch. The melt-blow polypropylene material is prepared from the following components in parts by weight: 98 to 99.85 parts of polypropylene, 0.1 to 1 part of free radical type initiator, 0.05 to 0.3 part of nucleating agent, 0 to 0.1 part of antioxidant and 0 to 0.3 part of lubricant. The electret master batch comprises the following components: 40-69.5 parts of melt-blown polypropylene, 2-5 parts of a waterproof and oil-proof agent, 5-10 parts of a softener, 10-15 parts of inorganic electret powder, 10-20 parts of organic electret powder, 1-3 parts of stearate, 1-3 parts of a hindered amine weather-resistant agent, 0.5-1 part of an antioxidant and 1-3 parts of a coupling agent. As the waterproof and oil-proof agent, the softener, the hindered amine weather-proof agent and the antioxidant can react with the free radical initiator in the melt-blown material system, the melt-blown polypropylene and the electret master batch are independently produced and mixed for use. According to the preparation method, a UV lamp box is placed before pelletizing, material strips are irradiated by a UV lamp, peroxide residues which do not react completely are completely cleaned, and zero peroxide residues are achieved.

The invention discloses a preparation method of a composite fiber membrane with efficient filtration. The preparation method comprises the steps of S1, mixing polytetrafluoroethylene, N,N- dimethylacetamide and polyethylene glycol, and stirring the mixture to obtain a colloidal solution that is a first spinning solution; S2, mixing polypropylene, N,N-dimethylacetamide, polyethylene glycol and silicon dioxide, and stirring the mixture to obtain another colloidal solution that is a second spinning solution; S3, corresponding the first spinning solution and the second spinning solution to a firstspinning nozzle and a second spinning nozzle, respectively; and S4, controlling flow rates of the first spinning solution in the first spinning nozzle and the second spinning solution in the second spinning nozzle for electrostatic spinning, and forming the composite fiber membrane on a flat-plate receiver. The preparation method of the composite fiber membrane is simple and the composite fiber membrane has higher filtration efficiency.

The invention relates to a method for preparing bismuth nanoparticles loaded on a graphene fiber non-woven fabric by microwave induction. According to the method, graphene is woven into a non-woven fabric structure, and the non-woven fabric structure is loaded with the bismuth nanoparticles at the same time; and then microwave treatment is carried out on the graphene fiber non-woven fabric loaded with the bismuth particles through microwaves to obtain fully nanocrystallized bismuth nanoparticles, so that excellent electrochemical performance is obtained. The obtained flexible graphene/bismuth nanoparticle non-woven fabric has the advantages that the electrochemical performance is excellent and the preparation method is simple and convenient, industrial application is easy, and the method for preparing the bismuth nanoparticles through microwave induction provides an effective way for rapidly and conveniently synthesizing metal nanoparticles at the same time.

The invention discloses super-dry hot-air nonwoven fabric. The super-dry hot-air nonwoven fabric comprises a first water seepage layer, a diffusion layer and a second water seepage layer. The first water seepage layer, the diffusion layer and the second water seepage layer are orderly arrayed from the top to the bottom and fixed. Fibers of the first water seepage layer are arrayed longitudinally. The super-dry hot-air nonwoven fabric has the following beneficial effects: through fibers longitudinally arrayed in the first water seepage layer, the surface of the nonwoven fabric can be rapidly guided to flow through the first water seepage layer to the diffusion layer below; therefore, the surface of the first water seepage layer is kept dry; by arrangement of the diffusion layer, water can disperse; finally, water is drained away from the second water seepage layer, thereby preventing reverse seepage; the dry effect is exerted; and the requirement of a user is met.

A compression molding machine includes a first spray device configured to spray an external lubricant to at least one of the inner surface of a die bore, the upper end surface of a lower punch, and the lower end surface of an upper punch, and a second spray device configured to spray a coating agent for blocking a strange taste or an odor of a molded product, or the like, to at least one of the inner surface of the die bore, the upper end surface of the lower punch, and the lower end surface of the upper punch.

Non-woven fiberglass veils, and laminates made therefrom, comprising: a plurality of glass fibers; a resin component; a fire-retardant component; and a particulate component, the particulate component comprising inorganic particles having a refractive index higher than a refractive index of the fire-retardant component and an average particle size of from about 0.1 to about 0.5 μm; wherein the fire-retardant component and the particulate component are present in a combined amount of from about 50% to about 90% by weight, based on the total weight of the veil, and wherein the fire-retardant component and the particulate component are present in a ratio by weight of from about 95:5 to about 50:50; are described.

The invention discloses a composite board with electromagnetic shielding performance and a preparation method thereof, and relates to the technical field of new materials. The preparation method comprises the following steps of firstly mixing aminated graphene oxide adsorbing copper ions with polypropylene; then carrying out dry spinning to obtain modified polypropylene fibers, carrying out suspension polymerization on styrene, benzoyl peroxide, hydroxyethyl cellulose, maleic anhydride, starch, potassium periodate and acrylic acid as main raw materials to obtain modified hollow microspheres; and finally, mixing the modified polypropylene fibers with carbon fibers, polyester and the modified hollow microspheres, carrying out carding and web forming to obtain a mixed fiber felt, and carrying out needling reinforcement and hot pressing treatment on the mixed fiber felt to obtain the composite board with the electromagnetic shielding performance. The prepared composite board with the electromagnetic shielding performance has excellent electromagnetic shielding performance and noise reduction performance, and is low in density and good in strength.

The invention relates to a polypropylene grass and cold prevention fabric, a preparation method thereof and an application of the fabric. The method includes the steps: mixing mica and urea, adding deionized water to ultrasonically disperse mixture, adding sodium stannate and zinc sulfate water solution, and filtering, drying and calcining mixture to obtain a zinc sulfide-mica-based flame retardant; mixing the polypropylene, nucleating agents, antioxidants, dispersing agents and the zinc sulfide-mica-based flame retardant, extruding and granulating mixture, heating the mixture to reach the temperature of 130-180 DEG C, and extruding, cooling and drawing the mixture by a spinneret plate to obtain primary spun fibers; heating the primary spun fibers, drawing the heated primary spun fibers tobe aggregated into a net, bonding the net to form the fabric to obtain the polypropylene grass and cold prevention fabric. The polypropylene grass and cold prevention fabric has various physiologicaland ecological effects of breathability, increasing temperature, preserving soil moisture, avoiding tillage, increasing fertility, preventing and decreasing pests and diseases and the like and has the advantages that water is saved, electricity, labor and fertilize consumption is reduced, the control cost of the pests and diseases is reduced and the like.