50 results about "Kapok fiber" patented technology

The invention relates to the technical field of wastewater treatment, in particular to a metal processing cooling liquid wastewater regeneration treatment system which comprises a treatment box, a guide rod is vertically mounted at the bottom of the treatment box, an oil collecting hopper is connected to the upper portion of the inner side of the treatment box through a driving part, and exchange holes are evenly formed in the outer side of a pipe body; hydrophilic oleophobic films are arranged in the exchange holes, and a plurality of kapok fiber balls are further placed at the bottom of the pipe body; a plurality of groups of regulation and control structures are arranged at the top end of the guide rod in an annular array, and the hydrophilic oleophobic film is cleaned and water-oil separation in the pipe body is controlled through the plurality of groups of regulation and control structures. The intermittent lifting oil collecting hopper moves on the surface of wastewater, oil on the surface of the wastewater can be collected, meanwhile, an oil-water mixture entering the pipe body can be separated through the hydrophilic and oleophobic film, the surface of the hydrophilic and oleophobic film can be cleaned in the separation process, and the hydrophilic and oleophobic film is prevented from being blocked by particles.

The utility model discloses an antibacterial and deodorant garment which comprises a garment body and a zipper installed in the center of the garment body. Sleeves are symmetrically and fixedly connected to the two sides of the garment body, and a collar is arranged on the upper portion of the garment body. Wherein the bottoms of the sleeves are fixedly connected with magic tapes, and one side of the collar is fixedly connected with nylon fibers; the center of the front of the garment body is fixedly connected with the zipper, pockets are arranged on the left side and the right side, close to the zipper, of the garment body, bamboo fibers are fixedly connected to the upper portions, close to the pockets, of the garment body, and kapok fibers are fixedly connected to the inclined upper portions, close to the bamboo fibers, of the garment body. By arranging the nylon fibers, the bamboo fibers, the kapok fibers, the chitosan fibers, the heat dissipation layer and the deodorization layer, the chest, the back and the armpits which are perspired frequently can be covered conveniently, so that the antibacterial and deodorization effect on the perspired part can be achieved conveniently, and the antibacterial and deodorization accuracy of the garment can be improved conveniently.

An aerosol-generating article (10)(100)(1000) comprises: an aerosol-generating substrate (12)(112)(1004); a downstream element (42)(150)(1008) provided downstream of the aerosol-generating substrate (12)(112)(1004) and in axial alignment with the aerosol-generating substrate, the downstream element comprising a cellulosic filtration material. The fibrous material comprises a plurality of regenerated cellulose fibres selected from one or more of viscose fibres, modal fibres, Lyocell fibres and viscose rayon fibres; or a plurality of natural fibres selected from one or more of flax fibres, hemp fibres, jute fibres, kenaf fibres, ramie fibres, abaca fibres, phormium fibres, sisal fibres, coir fibres, cotton fibres, and kapok fibres. The cellulosic fibrous material further comprises an additive coating applied to the plurality of regenerated cellulose or natural fibres, the additive coating comprising at least 5 percent by weight of exogenous lignin on a dry weight basis.

The invention relates to the field of fabrics, provides a phase change microcapsule energy storage fabric, and solves the defect that a phase change fabric in the prior art is not washable. Comprising a fabric body, the fabric body is formed by blending kapok fiber and bio-based degradable fiber, the kapok fiber is of a hollow structure, the hollow structure of the kapok fiber is filled with a microcapsule phase change material, and the microcapsule phase change material is filled into the hollow structure of the kapok fiber in a dipping mode. The bio-based degradable fiber is formed by compounding regenerated nylon and bio-based spandex fiber, and the microcapsule phase change material is composed of a microcapsule shell and a phase change core material wrapped in the microcapsule shell.

The present application relates to the field of high polymer water-absorbing material preparation, and particularly relates to a preparation method of a chitosan-based high water-absorbing material with antibacterial function, and the prepared high water-absorbing material comprises three layers, the upper and lower surfaces are plant fiber high air permeable layers, and the middle layer is a chitosan-based high water-absorbing microsphere with antibacterial function; the plant fiber high air permeable layer is obtained by electrospinning of kapok fiber, bamboo fiber, modified montmorillonite and polyvinyl alcohol; the high water-absorbing microsphere is a gel material obtained by condensation and cross-linking of chitosan and acrylic acid and then compounding and cross-linking of alginic acid; the prepared high water-absorbing microsphere has strong deformation resistance and a uniform and smooth surface. The high water-absorbing material has a water absorption capacity of 410 g / g or more, and an absorption capacity of simulated blood of 35 g / g or more, and has the characteristics of good air permeability, strong water absorption and good antibacterial activity.

The invention provides a method for determining phenoxy carboxylic acid pesticide residues. The problem of low extraction efficiency of polar phenoxy carboxylic acid molecules in a traditional micro-extraction technology is effectively solved by utilizing the complexing action of TBP. Meanwhile, the kapok fiber is used as a hydrophobic carrier to firmly retain the TBP extraction agent, so that the bottlenecks of difficult emulsification formation and phase separation and complicated operation in the conventional liquid-liquid microextraction are thoroughly overcome, and the stability and reliability of the extraction process are ensured. The technology is integrated in an injector platform, the whole process of sample loading, extraction, washing and elution can be completed only through simple piston push-pull operation, the operation is extremely simple, convenient and efficient, only microliter TBP organic solvent is consumed, the dosage of toxic reagents and generation of waste liquid are remarkably reduced, the method can efficiently enrich and purify trace target objects in complex matrixes, and the method is suitable for large-scale industrial production. By combining HPLC-UV (High Performance Liquid Chromatography-Ultraviolet) analysis, the international strict maximum residual limit detection requirement is met, and the method has high sensitivity, high selectivity and good reliability.

The aerosol generating article (10)(100)(1000) comprises an aerosol generating substrate (12)(112)(1004) and a downstream element (42)(150)(1008) provided downstream of the aerosol generating substrate (12)(112)(1004) and axially aligned with the aerosol generating substrate, the downstream element comprising a cellulosic filtration material. The fibrous material comprises a plurality of regenerated cellulose fibers selected from one or more of viscose fibers, modal fibers, lyocell fibers, and viscose rayon fibers, or a plurality of natural fibers selected from one or more of flax fibers, hemp fibers, jute fibers, kenaf fibers, ramie fibers, abaca fibers, phormium fibers, sisal fibers, coir fibers, cotton fibers, and kapok fibers. The cellulosic fibrous material further comprises an additive coating applied to multiple regenerated cellulose or natural fibers, the additive coating containing at least 5% by weight of exogenous lignin on a dry weight basis.

The present application relates to wastewater treatment technical field, especially a kind of metalworking cooling liquid wastewater regeneration treatment system, including processing box, the bottom of the processing box is vertically installed with guide rod, the inside upper position of the processing box is connected with oil collecting hopper by drive element, exchange hole is evenly opened in the outside of the pipe body, hydrophilic oleophobic film is arranged in the exchange hole, and a plurality of kapok fiber balls are placed in the bottom of the pipe body;The top of the guide rod is annular array and is provided with multiple sets of regulation and control structure, and the cleaning and control of hydrophilic oleophobic film in pipe body are carried out by multiple sets of regulation and control structure.The oil on the surface of wastewater can be collected by the intermittent lifting oil collecting hopper, and the oil-water mixture in the pipe body can be separated by hydrophilic oleophobic film, and the surface of hydrophilic oleophobic film can be cleaned during separation, to prevent particles from blocking hydrophilic oleophobic film.

The invention relates to the technical field of pillows, in particular to a fluffy kapok pillow not prone to caking. The preparation method comprises the following steps: firstly, activating kapok fibers by adopting argon-oxygen mixed gas plasma, introducing active groups and forming a microporous structure; then constructing a dynamic Schiff base network on the surface of the fiber through bionic cross-linking reaction, and endowing the fiber with elastic stress dispersing capacity; the fibers are coated with a silk fibroin solution, so that the friction coefficient is reduced, and the flexibility is enhanced; finally, fiber gap distribution is regulated and controlled through airflow puffing treatment, and a uniform three-dimensional network structure is formed. Through collaborative optimization of a fiber hierarchical structure, the performance balance of high resilience, low caking and strong air permeability is realized, and a new solution is provided for application of natural kapok fibers in the field of home furnishing.

The invention relates to the technical field of non-woven materials and engineering, in particular to gradient aperture multilayer fiber composite wiping cloth and a preparation method thereof, and is characterized in that the wiping cloth is a multilayer fiber composite material with different gradient apertures, which is formed by carding kapok fibers and ES (Ethylene-Propylene-Styrene) fibers through a web forming process and needling reinforcement; wherein the ratio of the kapok to the ES fiber is 0: 100, 20: 80, 40: 60 and 60: 40, the tensile strength of the kapok fiber is 1.68 cN / dtex, the tensile strength of the ES fiber is 1.96 cN / dtex, the carding frequency of a fine opener is 40.42 HZ, the frequency of a pre-needling machine is 15.69 HZ, the positive and negative frequency of a main needling machine is 30.47 HZ, and the preparation linear speed is 10m / min; a set of automatic production line is constructed by integrating quantitative feeding, automatic circulation and hoisting systems, and by independently feeding and finely processing the ES / kapok fibers and combining the on-line weighing and static electricity elimination technology, it is ensured that the gram weight of a fiber layer is uniform, the structure is gradient, and the production efficiency is improved. And the automatic guide transport vehicle and the hoisting system realize full-process automatic circulation of materials.

This invention discloses an amorphous / nanocrystalline alloy composite microwave absorbing film with a high bandwidth-to-thickness ratio, which is composed of an absorber and a flexible polymer matrix; the absorber is amorphous / nanocrystalline Fe. 85 The composite filler formed by anchoring SiAl6Cr8 alloy onto nitrogen-doped carbonized kapok fiber is denoted as NCKF / FSAC composite filler; the flexible polymer matrix is ​​waterborne polyurethane, denoted as WPU; the mass ratio of NCKF / FSAC composite filler to WPU is (6:4) to (9:1). Through the creative absorber composition structure, polymer matrix type and mass ratio of the two, the composite absorbing film has achieved the advantages of high bandwidth-to-thickness ratio, excellent flexibility and good thermal stability.

The invention discloses a fiber modification treatment process and application of the fiber modification treatment process in kapok fiber fabric, and relates to the technical field of textile, and the technical key points comprise the following steps: step (1) fine opening and picking: processing kapok fibers by adopting low-speed and light-striking opening and picking equipment, controlling the speed of a beater to be 400-600r / min, and performing pre-opening through a cotton loosening machine; (2) removing and grading short fibers, namely removing the short fibers with the length of less than 6mm by using an airflow grader or a vibrating screen, controlling the short fiber rate to be below 10%, and dividing the kapok fibers into grades of 10-20mm, 20-30mm and the like according to the length; by virtue of the synergistic effect of the low-temperature plasma and the natural antibacterial slurry, the antibacterial rate of the fabric on the three pathogenic bacteria reaches a relatively high standard; through low-damage pretreatment and structure optimization, the breaking strength of the fibers is improved, and the inherent defects that kapok fibers are poor in cohesive force and prone to breakage are overcome.

The invention discloses a kapok fiber sheet and a production process, the kapok fiber sheet comprises a fabric layer and a kapok warm-keeping layer, the fabric layer is arranged on the top surface and / or the bottom surface of the kapok warm-keeping layer, the fabric layer is used for protecting the surface of the kapok warm-keeping layer, the structural stability and the warm-keeping performance are improved, the kapok warm-keeping layer comprises kapok fiber and a binding substance, and the binding substance is arranged on the surface of the kapok warm-keeping layer. The kapok fiber and the binder are uniformly mixed and then flatly laid to form a kapok warm-keeping layer, production is carried out through burdening, scattering, dispersing, transferring, net forming and hot drying, the kapok fiber and the binder are mixed and dispersed through the high-pressure airflow dispersing bin, the mixing uniformity is ensured, the binder can be hot-melted in the hot drying process to bond the kapok fiber, and the kapok fiber warm-keeping layer is formed. And the structural stability is further improved.

The application provides a treatment method of nickel-containing wastewater, which is provided with the following processes: pretreatment, primary coagulation treatment, sludge treatment, secondary coagulation treatment, discharge treatment and accident treatment. The pretreatment includes an adjusting tank and a pH adjusting tank; the coagulation treatment includes an oxidation tank, a coagulation reaction tank and an inclined tube sedimentation tank. The application uses secondary coagulation, and uses silica xerogel, modified polyaluminum chloride and modified polyacrylamide as coagulants in steps, so that the removal capacity of nickel-containing pollutants with different sizes and properties is enhanced. The silica xerogel prepared by the method has high specific surface area, good pore structure and high stability, and these properties make the silica xerogel have high adsorption capacity and filtration effect in the treatment of nickel-containing wastewater. The application modifies polyaluminum chloride and polyacrylamide, and introduces kapok fiber hydrophobic functional groups, so that the hydrophobicity is further improved, and the burden of the sludge treatment process is reduced.

The utility model relates to the field of yarn waxing devices, in particular to a yarn waxing device for kapok fiber fabric. According to the technical scheme, a waxing assembly used for waxing is arranged on one side of the upper end of a bottom plate; the waxing assembly comprises a fixed sliding rail; a movable sliding block is connected to the fixed sliding rail in a sliding manner; a push rod is arranged at the upper end of the movable sliding block. A transverse fixing plate is arranged at the upper end of the push rod. A liquid wax storage tank is arranged on the transverse fixing plate; and a cotton strip is arranged on the liquid wax storage tank. By arranging the main body support and the winding and unwinding structure, the device main body is supported, meanwhile, a fiber roll can be supported, wound and unwound, the front and rear line pressing structures are arranged between the devices, line pressing is fixed when the front end enters, meanwhile, monitoring can be conducted during waxing, and whether the fiber roll is broken or not can be checked; and the pressing line is moved during output at the rear end, winding work is facilitated, and the waxing assembly is arranged between the devices for adjustable liquid waxing.

The application relates to the technical field of textiles, and particularly discloses a yarn and high-elasticity filament light net process. The yarn and high-elasticity filament light net process comprises the following steps: S1, cotton fiber and polyamide fiber are blended to obtain yarn; S2, spandex filament subjected to plasma pretreatment is added into a soaking solution for treatment to obtain high-elasticity filament; and S3, the yarn and the high-elasticity filament are wound into a composite yarn after passing through a compressed air network device. The polyamide fiber comprises the following raw materials: polyamide, nano medical stone micro powder, modified nano titanium dioxide, maleic anhydride grafted polyamide, antioxidant and heat stabilizer. The light net process is simple in steps, low in cost and suitable for industrial production. The obtained composite yarn has excellent water absorption and air permeability, can relieve the hot and humid feeling, improve the crossbar phenomenon, form a bubble wrinkle effect, and has a wide market prospect.

The utility model discloses a kind of tile type staggered laminated heat insulation filling fabric based on kapok, belong to textile material technical field.The fabric includes by weaving machine one-off weaving first to fourth layer, wherein second layer and third layer are formed with periodic undulation by weaving process Tile type staggered laminated structure.The upper edge of second layer tile fabric is connected with first layer, lower edge is connected with the upper edge of third layer tile fabric, the lower edge of third layer tile fabric is connected with fourth layer, to form three layers of mutually independent and alternate distribution filling channel system.The utility model uses full cotton warp and weft yarn fabric, realizes firm connection between layers by weaving process, without chemical adhesive.Filling channel can select filling kapok fiber and its mixture, with excellent warmth retention, air permeability and structural stability.

The invention belongs to the technical field of secondary battery positive electrode materials. The invention relates to a lithium battery, in particular to a high-capacity lithium battery positive electrode material and a preparation method thereof. The preparation method specifically comprises the following steps: pyrolyzing kapok fibers: pyrolyzing the kapok fibers at the temperature of 300-350 DEG C to obtain pyrolyzed fibers; loading an aluminum source: dipping the pyrolytic fiber with an aluminum source solution, then adjusting the pH value to 8-9, and then separating to obtain an aluminum source-pyrolytic fiber compound; performing high-temperature carbonization: heating the aluminum source-pyrolytic fiber compound in an inert atmosphere to 750-850 DEG C, and performing heat preservation and carbonization to obtain a carbon framework material; and sulfur loading: mixing elemental sulfur and the carbon skeleton material, heating to melt and permeate the elemental sulfur into pores of the carbon skeleton material, and cooling to obtain the high-capacity lithium battery positive electrode material.

The invention discloses an antibacterial modal fabric, which comprises a base cloth, a synergistic filament group is arranged in the base cloth, the synergistic filament group comprises kapok fiber yarn, elastic fiber yarn, fitting fiber yarn and moisture-conducting fiber yarn, the kapok fiber yarn is blended in the base cloth in the weft direction, and the elastic fiber yarn is twisted and woven on the outer side of the kapok fiber yarn. According to the antibacterial modal fabric, through cooperation of the base cloth and the synergistic yarn groups, the raising condition after long-time wearing is relieved, meanwhile, the elastic fiber yarn twisted and woven on the outer side of the kapok fiber yarn can improve the elastic deformation capacity of the base cloth, and the comfort-increasing fiber yarn blended in the base cloth can improve the skin contact comfort degree to a certain degree; the moisture-conducting fiber yarns twisted and woven on the outer side of the adaptation-increasing fiber yarns can quickly absorb moisture and sweat on the surface layer of the skin and transmit and diffuse the moisture and sweat to the outer side of the base cloth, so that the functionality is improved, and popularization and use are facilitated.

The utility model discloses a jute fiber elastic fabric which comprises a polyester-cotton blended base material, a jute fiber elastic fabric strip, a bacteriostatic fiber fabric strip and an elastic covering surface material, and the jute fiber elastic fabric strip is compounded between the polyester-cotton blended base material and the elastic covering surface material. Antibacterial fiber fabric strips are compounded between the polyester-cotton blended base material and the elastic covering surface material between the fibrilia elastic fabric strips and are formed by compounding bamboo fiber fabric strips, silver ion antibacterial fibers and kapok fiber fabric strips; the jute fiber elastic fabric is prepared by compounding the jute fiber elastic fabric strips and the antibacterial fiber fabric strips between the polyester-cotton blended base material and the elastic covering surface material, the jute fiber elastic fabric has better elasticity and material antibacterial activity, and meanwhile, the elasticity of the jute fiber elastic fabric cannot be influenced by compounding the strips between the fabrics; the elasticity and the sweat antibacterial effect of the fibrilia elastic fabric are effectively guaranteed, and the fibrilia elastic fabric is prevented from generating bacteria breeding peculiar smell.

The invention discloses an antibacterial kapok fiber-based transparent dressing and a preparation method thereof. The preparation method comprises the following steps: firstly, carrying out alkali treatment and mechanical pulverization on kapok fibers to prepare microfibrillated kapok fibers; carrying out bleaching treatment on the microfibrillated kapok fibers to remove lignin to obtain microfibrillated kapok fibers without lignin; mixing the lignin-removed microfibrillated kapok fibers with growth factors, and performing vacuum filtration to obtain a growth factor-loaded kapok fiber-based transparent dressing; and grafting the synthesized isocyanate L-borneol to the surface of the growth factor-loaded kapok fiber-based transparent dressing to finally obtain the antibacterial kapok fiber-based transparent dressing. The natural kapok fiber is used as a core raw material, and has the characteristics of greenness and degradability. The dressing has antibacterial property, transparency facilitating real-time monitoring of wound healing and a growth factor slow release function promoting healing.

The invention discloses a preparation method of a moisture-absorbing, heating and warm-keeping kapok fabric, which comprises the following steps: S1, preparing yarns from 15-40% of kapok fibers and 60-85% of graphene modified lyocell fibers through the processes of scutching, cotton carding, drawing, roving and spinning; s2, the prepared yarn serves as warp yarn and weft yarn, the warp density is 275-325 pieces / 10 cm, the weft density is 220-270 pieces / 10 cm, and a common weaving machine is adopted for weaving. Through collaborative optimization of fiber combination in a specific proportion and a conventional spinning process, stable blending of the kapok and the graphene modified lyocell fiber is achieved, meanwhile, the functional characteristics of the kapok and the graphene modified lyocell fiber are reserved, and the functions of heat preservation, moisture absorption and heating are achieved.

The invention relates to an amorphous KFC / SiOx (at) C composite negative electrode material capable of inhibiting volume change and a preparation method and application of the amorphous KFC / SiOx (at) C composite negative electrode material. The preparation method comprises the following steps: collecting waste biomass kapok fiber (KF) for pretreatment, growing organic silicon balls on the tube wall of the KF through a sol-gel method, carrying out PDA coating on KF / organic silicon, and carrying out high-temperature pyrolysis on the KF / organic silicon coated PDA in a reducing atmosphere to prepare KFC / SiOx coated C which is used as a lithium ion battery negative electrode material. The organic silicon spheres uniformly grow on the inner wall of the carbon tube, carbon coating is performed on the surface, and the core-shell structure KFC / SiOx (at) C composite material is formed through high-temperature carbonization and reduction, so that the volume expansion change of a SiOx active substance in the charging and discharging process is effectively inhibited, and the conductivity and the structural stability of the silicon-based negative electrode are improved; according to the method, the waste biomass is recycled and resourcefully utilized, the environment-friendly high-performance silicon-carbon negative electrode material is prepared, exploitation of non-renewable resources is reduced, and a new application is provided for resourcefully utilizing the waste biomass.

There is provided an aerosol-generating article (10) (100) (1000) comprising: an aerosol-generating substrate (12) (112) (1004); a downstream element (42) (150) (1008) disposed downstream of and axially aligned with the aerosol-generating substrate (12) (112) (1004), the downstream element comprising a cellulosic filter material. The fiber material comprises a plurality of regenerated cellulose fibers selected from one or more of viscose fibers, modal fibers, lyocell fibers and viscose rayon fibers; the natural fibers are selected from one or more of linen fibers, hemp fibers, jute fibers, kenaf fibers, ramie fibers, Manila hemp fibers, New Zealand hemp fibers, sisal fibers, coconut fibers, cotton fibers and kapok fibers. The cellulosic fiber material further includes an additive coating applied to the plurality of regenerated cellulose or natural fibers, the additive coating comprising at least 5% by dry weight of exogenous lignin.

The invention discloses a production process of bleached kapok fibers, which is characterized in that because the specific gravity of kapok is only 1 / 5 of that of cotton, an atomization sprayer needs to be additionally arranged on an air supply pipe to prevent flying pollution. Impurities in the kapok are removed as far as possible by a physical and mechanical method, so that the burden in vertical pot chemical steaming and bleaching is reduced, and the steaming and bleaching quality is improved; meanwhile, a one-step steaming and bleaching process and a two-step steaming and bleaching process of the kapok fibers are introduced; the prepared degreased and bleached kapok fiber can be widely applied to the fields of home textiles, clothing, medical treatment and public health, military industry, environmental protection, cultivation and the like.

The invention provides a medical electromagnetic shielding composite material and a preparation method thereof, and belongs to the technical field of functional composites.The electromagnetic shielding composite material comprises an MXene / kapok pulp mixed layer; the surface of one side of the MXene / kapok pulp mixed layer is coated with a graphene oxide coating, and the surface of the other side of the MXene / kapok pulp mixed layer is provided with a PAN nanofiber membrane; the MXene / kapok pulp mixed layer comprises a modified kapok pulp layer and MXene randomly distributed in the modified kapok pulp layer in a three-dimensional manner. According to the composite material, through the structural design, electromagnetic shielding leading to absorption is achieved, and secondary pollution is effectively avoided. The air permeability and moisture permeability of the kapok fibers improve the medical comfort level. The GO protective layer obviously enhances the environmental stability of MXene. The material integrates efficient and stable electromagnetic shielding, biocompatibility and use comfort, and has wide application prospects in the fields of wearable medical equipment, electromagnetic shielding dressings and the like.

To provide a device for manufacturing a filler having high heat retention, deodorizing, mildew prevention, bacteriostatic, anti-mite, moisture absorbing and releasing, moisture absorbing and heat generating properties, and washing resistance, a method for manufacturing this filler, and this filler.SOLUTION: A device for manufacturing a filler containing kapok fiber and feathers includes a stirring tank into which the kapok fiber and feathers are introduced, a rotating shaft arranged to extend in a predetermined direction within the stirring tank, stirring blades attached to the rotating shaft, and a gas blowing unit for blowing gas in a direction intersecting the direction in which the rotating shaft extends. Only non-ionized gas having a flow rate of 1 m / sec or more is blown into the stirring tank from the gas blowing unit. A method for manufacturing a filler containing kapok fiber and feathers includes a mixing step of introducing kapok fiber and feathers into a stirrer having a rotating shaft extending in a predetermined direction and stirring blades attached to the rotating shaft and then mixing the kapok fiber and feathers while blowing only non-ionized gas having a flow rate of 1 m / sec or more in a direction intersecting the axial direction of the rotating shaft.SELECTED DRAWING: Figure 1

The invention provides a flame-retardant and smoke-suppressing foam board and a preparation method and application thereof, and belongs to the technical field of boards, specifically, the flame-retardant and smoke-suppressing foam board sequentially comprises a first decorative layer, a second decorative layer, a third decorative layer and a fourth decorative layer from bottom to top, and the first decorative layer is made of PVC alloy; a soundproof support layer; a structural support layer; the second decorative layer is made of a PVC (Polyvinyl Chloride) alloy; wherein the sound insulation supporting layer comprises PVC (Polyvinyl Chloride) resin; calcium powder; a foaming control agent; a yellow foaming agent; a white foaming agent; boron-phosphatized kapok fibers; the structure supporting layer comprises PVC (Polyvinyl Chloride) resin; calcium powder; a foaming control agent; a lead salt stabilizer; pE wax; an internal lubricant; oxidizing the wax; a yellow foaming agent; a foaming agent; a composite whitening agent; the invention discloses boron-phosphatized wood powder. The product provided by the invention has the effects of light weight, flame retardance, smoke suppression, water resistance and sound insulation, has extremely high strength, and has wide application prospects in building boards, advertisement display boards, furniture panels and vehicle interiors.

The invention discloses a preparation method of in-situ lignin-bonded kapok fiber-based high-strength paper. The preparation method comprises the following steps: removing wax and partial lignin components on the surface of kapok fibers through an alkaline solution, and then washing the kapok fibers with deionized water; the preparation method comprises the following steps: dispersing kapok fibers in deionized water to obtain a kapok fiber dispersion solution, and preparing primary kapok fiber base paper through a wet papermaking technology; and carrying out hot pressing on the primary kapok fiber-based paper to obtain the kapok fiber-based high-strength paper. The technical process is simple and convenient, is green and environment-friendly, and does not need other chemical reagents as adhesives. The kapok fiber-based high-strength paper has application prospects in the fields of food packaging, space flight and aviation, medicine and health and the like.

The invention discloses a kapok fiber-based three-dimensional network interpenetrating type composite oil absorption filter felt and a preparation method thereof, and relates to the technical field of adsorption materials. According to the composite oil-absorbing filter felt and the preparation method thereof provided by the invention, the kapok fiber and the bamboo pulp fiber are blended, and then the kapok fiber-based three-dimensional network interpenetrating composite oil-absorbing filter felt is prepared by adopting a dry laying-chemical bonding technology; the surface microstructure of the alkalized bamboo pulp fiber has irregular sawtooth fluctuations, micropores and grooves, so that oil has good conduction and adsorption performance between the bamboo pulp fiber and the kapok fiber, and meanwhile, the good mechanical property of the bamboo pulp fiber further provides structural support for the kapok fiber, so that the kapok fiber can be effectively prevented from being damaged. The adsorption performance of the kapok fiber-based three-dimensional network interpenetrating type composite oil absorption filter felt on oil is not easily influenced by external force factors, and a three-dimensional interpenetrating network formed by the bamboo pulp fibers and the kapok fibers has relatively high rebound resilience, so that the kapok fiber-based three-dimensional network interpenetrating type composite oil absorption filter felt can be repeatedly applied to oil adsorption operation.