103 results about "Plastic fiber" patented technology

The invention relates to the technical field of pavement materials, and particularly discloses an all-solid waste asphalt mixture as well as a preparation method and application thereof. The all-solid waste asphalt mixture is prepared from the following raw material components: activated waste rubber powder, waste rubber powder modified emulsified asphalt, a waste asphalt-based pavement material, aggregate, a fiber material and an additive, wherein the aggregate comprises coal gangue powder, waste magnesia carbon brick powder, nut shell powder, coarse aggregate, steel slag powder and fine aggregate; the fiber material comprises activated aramid fiber and waste rubber powder modified glass fiber reinforced plastic fiber; the additive comprises a smoke suppression viscosity reducer and a styrene-butadiene-styrene block copolymer. The all-solid waste asphalt mixture with excellent pavement performance is prepared by utilizing the synergistic effect of all the component raw materials, and the problem that the pavement performance of an asphalt regenerated mixture is poor due to the fact that existing solid waste is poor in compatibility with other components when being applied to the asphalt regenerated mixture is effectively solved.

The invention relates to an electric field visualization real-time monitoring system and method, belongs to the technical field of electric field visualization, and is used for solving the problems of insufficient real-time performance, large measurement interference, incomplete imaging, weak multi-user cooperation and lack of unified time reference in the prior art. The method comprises the following steps: acquiring electric field scattering data of a test body by a conformal optical fiber electric field sensor array, transmitting the electric field scattering data to an edge GPU node through a plastic optical fiber-CAN-FD link, and converting the electric field scattering data into electric field amplitude data; the edge GPU node is combined with WebGL3D texture mapping and a volume ray casting algorithm to complete volume rendering, and multi-user concurrent interaction is realized through a Web server and a browser client; and a White-Rabbit clock architecture is adopted to provide a unified time reference for the whole process. According to the method, dynamic and accurate capturing of the electric field is achieved, and the multi-user concurrent access requirement is effectively met.

The invention discloses a glass fiber reinforced plastic fiber profile strength detection device, and relates to the technical field of testing, the glass fiber reinforced plastic fiber profile strength detection device comprises a base, the top of the base is fixedly provided with a shell, the top of the shell is fixedly provided with a top cover, and an electric telescopic rod penetrates through and is slidably installed on the inner wall and the outer wall of the shell; the clamp is fixedly installed on the surface of the movable end of the electric telescopic rod, the electric push rod penetrates through and is slidably installed at the top of the clamp, the push plate B is fixedly installed at the bottom of the output end of the electric push rod, a first spring is arranged at the bottom of the push plate B, the push plate A is fixedly installed at the bottom of the first spring, and the first spring drives the push plate A to reset. And the push plate B moves to drive the push plate A to move, so that after the push plate A clamps the glass fiber reinforced plastic, the push plate B cannot continuously move towards the glass fiber reinforced plastic, the clamping injury caused by excessive clamping is prevented, and the protection of the glass fiber reinforced plastic is improved.

To provide a plastic optical fiber cable excellent in long-term heat resistance in a high-temperature environment.SOLUTION: A plastic optical fiber cable includes a core including a polymer having a methyl methacrylate unit and at least one cladding layer provided on an outer peripheral surface of the core, and a coating layer coating an outer peripheral portion of the optical fiber, wherein the coating layer includes a polyamide-based resin (A), and the polyamide-based resin (A) is an aliphatic polyamide resin having an amide group ratio (N1 / N2) which is a ratio of the number of methylene carbon atoms (N1) in the skeleton to the number of amide group carbon atoms (N2) of 7 or more and 10 or less.SELECTED DRAWING: Figure 1

The application relates to the technical field of textiles, and particularly discloses a plastic fiber deodorizing master batch and a preparation method thereof.A plastic fiber deodorizing master batch, according to mass percentage, raw materials include 50-87% plastic chips, 5-20% zinc oxide, 5-20% zirconium compound composite powder and 3-10% composite dispersant, the zirconium compound composite powder includes zirconium hydroxide and layered zirconium phosphate.The plastic fiber deodorizing master batch can efficiently adsorb and decompose various odors such as ammonia, acetic acid, isoamyl acid and nonenal, has a wider deodorization spectrum, a higher elimination rate and stronger deodorization durability.

The invention relates to a steering column (1) for a motor vehicle, comprising a steering shaft (23) rotatably mounted about its longitudinal axis (L) relative to a housing (21), and a rotation limiter (5) for limiting the rotation of the steering shaft (23) relative to the housing (21), and having a flexibly deformable belt element (6) fixed to the housing (21), the invention relates to a belt (1), which extends in the direction (G) of the belt body and is spread flat transversely in the direction (B) of the belt width, can be wound on a winding core (53) connected to a deflection shaft (23), and comprises a fabric made of plastic fibres (7, 8, 9), which is interwoven from warp threads (7, 8) extending in the direction (G) of the belt body and weft threads (9) extending transversely to the direction (G) of the belt body. In order to improve the functional performance and the operating performance of the rotation limiter, the invention proposes that the warp threads (7, 8) comprise first warp threads (7) consisting of a first polymer material and second warp threads (8) consisting of a second polymer material.

The crawler-type photovoltaic power generation panel cleaning robot comprises a metal plate machine body, a machine body protection shell is installed on the outer surface of the metal plate machine body, rolling brush bodies are installed at the two ends of the metal plate machine body correspondingly, a crawler structure is installed at the bottom of the metal plate machine body, and a heat insulation cover is installed on the surface of the upper end of the metal plate machine body; and a signal receiving end, an antenna main body and an RTK receiving end are respectively mounted on the surface of the upper end of the heat shield. A belt wheel is driven by a brushless motor, the direction of the belt wheel is controlled through the differential control principle, plastic fiber brush heads are arranged at the front end and the rear end, dust is adsorbed by static electricity generated by high-speed friction, dust deposited on a photovoltaic power generation panel is cleaned in a mode of physically removing redundant sundries, and the device has the advantages of being high in automation degree and convenient to control. The whole device is flexible in steering control, high in maneuverability and high in dust removal and cleaning efficiency.

The invention discloses a method for treating micro-plastics in water based on combination of pulse electrocoagulation and electrostatic spinning, which comprises the following steps: treating sewage by using a pulse electrocoagulation method, precipitating the micro-plastics in the sewage into sludge, soaking the flocculated sludge into an organic solution to obtain a polymer solution, and finally treating the polymer solution by using an electrostatic spinning method. The micro-plastic is converted into a commercial film composed of plastic fibers, and the problems that in the prior art, the efficiency of treating the micro-plastic in water is low, the cost is high, and secondary pollution is caused to the treated micro-plastic are solved.

1. The name of the design product: high-speed electronic dobby. 2. The use of the design product: matched with water-jet loom, suitable for weaving with hydrophobic fibers such as synthetic fiber, blended yarn and plastic fiber as raw material. 3. The design points of the design product: in shape. 4. The picture or photo best indicating the design points: perspective view 1. 5. The top surface of the product has been expressed in perspective view 1, perspective view 2 and perspective view 3, and the plan view is omitted; the bottom surface of the design product is a part that is not easy to see or cannot be seen during use, and the bottom view is omitted.

The present invention discloses a high-strength, frost-resistant, macroporous recycled concrete, and its preparation method and application. The raw materials of the macroporous concrete include the following components: 30-50 parts by weight of cement, 2-4.5 parts by weight of fly ash, 130-165 parts by weight of recycled concrete coarse aggregate, 10-16 parts by weight of antifreeze, 21-25 parts by weight of glass particles, 13-18 parts by weight of carbon black or iron black, 2-3.5 parts by weight of plastic fiber filaments, and 11-17 parts by weight of mixing water. The antifreeze is a particle formed by a solid phase change energy storage material core and an asphalt layer covering the surface thereof, and the asphalt layer is doped with a metal thermal conductor, rubber powder, and cement powder, and the phase change energy storage material is paraffin and / or sodium thiosulfate. The above-mentioned high-strength, frost-resistant, macroporous recycled concrete of the present invention effectively improves the strength and frost resistance of macroporous concrete prepared with recycled concrete aggregate, thereby increasing the service life of this type of solid waste macroporous concrete.

The invention provides a preparation method of a venetian blind, which comprises the following steps of: a) providing a thermoplastic plastic fiber which comprises a low-melting-point thermoplastic plastic and a high-melting-point thermoplastic plastic and is not additionally added with a chemical agent; based on 100 parts by weight of the thermoplastic plastic fiber, the proportion of the low-melting-point thermoplastic plastic is 40-80 parts by weight, the proportion of the high-melting-point thermoplastic plastic is 20-60 parts by weight, the melting point of the low-melting-point thermoplastic plastic is 100-210 DEG C, and the melting point of the high-melting-point thermoplastic plastic is 240-270 DEG C. And b) baking the thermoplastic plastic fibers and carrying out compression molding to form a blade structure. Therefore, according to the preparation method of the venetian blind, toxic substances cannot be generated in the manufacturing process, and the burden on the environment is small.

The present invention relates to a wound dressing comprising an absorbent core, a hydrophobic nonwoven layer, and a hydrophilic nonwoven layer. The hydrophobic and hydrophilic nonwoven layers are joined by ultrasonic welding and form a pocket in which the absorbent core is enclosed. The absorbent core comprises an absorbent fiber material and a superabsorbent polymer. The wound dressing includes a fixation area. The fixation area comprises three cutting lines radiating from a single point, which pierce the wound dressing perpendicular to its surface. At least two of the cutting lines do not extend to an outer edge of the wound dressing. The hydrophobic and hydrophilic nonwoven layers comprise plastic fibers made of the same material.

A kind of annular plastic fiber plate skin ring lap joint forming method, annular plastic fiber plate skin ring is formed by strip-shaped plastic fiber plate lap joint, characterized by: the strip-shaped plastic fiber plate lap joint forming is shaping strip-shaped plastic fiber plate lap joint part, form a crescent-shaped arc cavity at lap joint, then the inner surface of the crescent-shaped arc cavity is uniformly heated by heating device, then the lap joint part is pressed to form annular plastic fiber plate skin ring.The present application uses the lap joint part of the annular plastic fiber plate skin ring to be made to combine to form a lap joint crescent-shaped cavity, and then the lap joint surface of the crescent-shaped cavity is heated by a crescent-shaped heating head, so that the lap joint surface can be heated sufficiently without affecting the overall structural deformation, so that the overall shape can be controlled well during lap joint pressing, and the lap joint effect is good.

Storage system (1) for storing a gaseous medium, preferably hydrogen, comprising a plurality of tank containers (41) and a medium collector block (40). The tank containers (41) are designed in the form of ellipsoids with extension axes x, y, z and each comprise a base body (42) wound from high-strength plastic fibers and a first end face (43) wound from high-strength plastic fibers, and a second end face (44) wound from high-strength plastic fibers. The first end face (43) and the second end face (44) have a hemispherical geometry, with the base body (42) having a short cylindrical geometry. Furthermore, the tank containers are attached to the medium collector block (40) and firmly connected to this medium collector block (40).

Lighting device with a radiation source (21; 31), a light guide (22; 32; 42) coupled to this, which is arranged in the inner lumen of a metallic protective tube (23; 33; 43), and a pressure hose (27; 37; 47) that completely or at least partially encloses the protective hose (23; 33; 43), where between the pressure hose (27; 37; 47) and the protective hose (23; 33; 43) at least one wire (25; 35; 45) made of an optical plastic fiber is attached, which is separated from the protective hose (23; 33; 43) on at least part of its outer surface only by an insulating plastic (26; 36; 46), and the pressure hose (27; 37; 47) either permanently presses the wire (25; 35; 45) against the surface of the protective hose (23; 33; 43), or develops or increases this pressure force only when the temperature rises, characterized in that the pressure hose (27; 37; 47) presses the wire (25; 35; 45) made of the plastic fiber so strongly against the protective hose (23; 33; 43) when a limit temperature is reached that the light transmission in the plastic fiber drops sharply or is completely interrupted.

The invention provides a bamboo-plastic fiber composite material pelletizing system which comprises a discharging frame, a mixing machine and a lifting cylinder, a storage box is installed at the top of the discharging frame, a dispersing tank is installed in the discharging frame, the storage box is connected with the dispersing tank, the dispersing tank is connected with a feeding pipe, the feeding pipe is connected with the mixing machine, the output end of the mixing machine is connected with one end of the lifting cylinder, and the other end of the lifting cylinder is connected with the discharging frame. The other end of the lifting cylinder is connected with the ingredient mixing unit, the ingredient mixing unit is connected with the extruder, the extruder is provided with an extrusion head, the extrusion head is connected with one end of the slitting cylinder, the other end of the slitting cylinder is provided with a pelletizing motor, pelletizing blades are arranged in the slitting cylinder, a transmission shaft of the pelletizing motor is connected with the pelletizing blades, and the top of the slitting cylinder is connected with a cooling pipe. The bottom of the slitting cylinder is connected with a mixing output pipe, and an output guide plate is arranged on the extruder below the extrusion head. By the adoption of the scheme, continuous production can be achieved, the structure is reasonable, and the using effect is good.

The utility model relates to the technical field of plastic fiber processing equipment, and discloses a plastic fiber stranding machine with adjustable weaving number, comprising a stranding table, the top surface of the stranding table is fixedly connected with a support plate, the support plate is provided with a stranding assembly, the top surface of the stranding table is fixedly connected with a mounting seat, and the mounting seat is fixedly connected with the stranding assembly. A winding roller is rotationally connected to the mounting base, a placement frame is fixedly connected to the top surface of the wire stranding table, and a take-up roller is mounted on the wire stranding table. According to the utility model, the number of strands of plastic fiber wires participating in twisting can be flexibly adjusted, different production requirements can be met, the problems of fixed weaving number and poor universality of the wire twisting machine are effectively solved, the application range and practicability of the equipment are improved, meanwhile, the pay-off seat is convenient to mount and dismount, the increase and decrease of plastic fiber rollers can be quickly completed, and the production efficiency is improved. And the operation steps and the operation time of workers are reduced, and the efficiency of production preparation work is improved.

The invention relates to the technical field of polymer composite materials, and discloses a preparation method of a waste plastic fiber reinforced wood-plastic composite material. According to the invention, 30-70% by weight of waste polyolefin, 10-50% by weight of wood flour, 5-30% by weight of waste PET fiber, 1-10% by weight of an epoxy functionalized elastomer and 0.05-1% by weight of a dynamic rearrangement catalyst are blended. Extruding at a specific thermodynamic window of 185-210 DEG C, and carrying out ring-opening addition on a high-concentration end group generated by degradation of the waste PET and an elastomer, so as to construct a confined dynamic covalent bond network at a multi-phase interface. The network is dynamically exchanged at the temperature higher than the topological freezing transition temperature, and good melt flowability is maintained; after cooling, rigid-flexible-rigid chemical anchoring is formed, and matrix crystallization is not interfered. The performance of conventional physical blending is improved, and the prepared composite material has good creep resistance and notch impact toughness and can be applied to the fields of high-bearing outdoor building materials, automobile anti-collision accessories and the like.

The utility model discloses a water area waste micro-plastic fiber separator, which comprises a separation tank, the bottom of the separation tank is respectively provided with a circulating spraying mechanism and a discharge port, the discharge port is communicated with the separation tank, the top of the separation tank is respectively provided with an installation groove and a feed port, the feed port is communicated with the separation tank, and the installation groove is communicated with the feed port. The two sides of the bottom of the separation tank are communicated with liquid outlets; according to the utility model, under the rotary matching of the conical filter plate and the annular baffle plate in the separation tank, fibers and impurities in waste micro-plastics are rotationally filtered on the surface of the conical filter plate, and under the blocking matching of the annular baffle plate to the conical filter plate, the impurities and the fibers are prevented from being vertically discharged together; and the opposite rotating structures of the two groups of brush plates on the outer side of the conical filter plate are utilized to promote the brush plates to scrape and brush plastic fibers and impurities on the surface of the conical filter plate, so that the separation rate of the fibers and the impurities is further enhanced, and the separation rate is improved.

The invention belongs to the technical field of artificial boards, and relates to a preparation method of a plastic fiberboard, which comprises the following steps: raw material preparation, fiber preparation, sizing, drying, paving and pre-pressing, hot pressing and post-treatment: during sizing, adding 1-10% of water-based plastic cement (acrylate emulsion), and matching with 0-20% of urea resin and / or 0-5% of isocyanate; the moisture content of the dried fibers is 6-10%, the hot pressing temperature is 160-200 DEG C, the pressure is 2-5 MPa, and the density of the board is controlled to be 600-800 kg / m < 3 >. The obtained fiberboard can directly achieve mould pressing with the depth larger than or equal to 4 mm without pretreatment, compared with a routing technology, the production efficiency can be greatly improved, meanwhile, the mould pressing technology does not have the high requirement of the routing technology for the density of the fiberboard, the density of the board can be reduced according to the requirement, wood raw materials are saved, and waste of the routing technology for raw materials can be omitted. The mechanical property reaches the national standard, the formaldehyde emission is low, and a formaldehyde-free plate can be manufactured; the method is suitable for an existing production line and is suitable for furniture, building decoration, door industry and other scenes needing three-dimensional modeling.

The application relates to a high surface capacity zinc-bromine double liquid flow battery and belongs to the field of liquid flow batteries. The zinc-bromine double liquid flow battery is provided with a layer of non-conductive, chemically stable and dense plastic fiber between the positive electrode and the diaphragm. In the charging process of the battery, the zinc dendrites of the negative electrode grow along the micropores of the diaphragm to the positive electrode. The zinc dendrites growing to the positive electrode are blocked by the dense plastic fiber and do not contact the positive electrode, so that the short circuit in the battery is avoided. Therefore, the surface capacity of the negative electrode can be increased, and the surface capacity of the battery is further increased. The fiber membrane can be composed of one or several materials of PE, PP and PVC. When the battery is assembled, the fiber membrane is only needed to be placed between the positive electrode and the diaphragm in sequence. The method is simple in operation, low in cost, obvious in effect, significantly improves the surface capacity of the battery and effectively improves the energy density of the zinc-bromine double liquid flow battery.

The utility model relates to the technical field of plastic fiber processing, and discloses a material cutting device suitable for plastic fibers, which solves the problems that a material cutting device for plastic fiber processing is inconvenient to achieve a continuous and rapid material cutting effect in the use process, the working efficiency is reduced, and better practicability is inconvenient to achieve, and comprises a frame body, a control switch is fixedly installed on the outer side of the frame body, an adjusting assembly is installed in the frame body, a material cutting knife is installed at the bottom of the adjusting assembly, the bottom of the material cutting knife extends to the position below the frame body, a material cutting plate is arranged under the material cutting knife, a material cutting groove is formed in the top end of the material cutting plate, and the material cutting groove is located under the material cutting knife. The adjusting assembly comprises an adjusting motor, and the adjusting motor is electrically connected with the control switch. According to the material cutting device for plastic fiber processing, the continuous and rapid material cutting effect can be conveniently achieved in the using process of the material cutting device for plastic fiber processing, the working efficiency is improved, and therefore better practicability can be conveniently achieved.

The invention discloses a discrete element method for representing elastic-plastic fiber deformation, and belongs to the field of computational mechanics and numerical simulation. According to the method, to-be-analyzed elastic-plastic fibers are divided into ideal elastic-plastic fibers and damaged elastic-plastic fibers, for different types of elastic-plastic fibers, a bonded ball model is adopted to represent fiber dynamic characteristics, and a bending moment-bending angle analysis model of elastic-plastic bonds is established by integrating cross section stress of the bonds in the fibers; and further constructing a bending moment increment model at any bending angle, and simplifying by adopting a piecewise linear method to obtain a simplified model of the elastic-plastic key bending moment-bending angle relationship, so as to obtain the deformation characteristics of the to-be-analyzed elastic-plastic fiber. According to the discrete element model capable of representing the elastic-plastic bending deformation of the fibers, accurate description and piecewise linear simplification of nonlinear mechanical behaviors of the fiber materials are achieved, and the calculation efficiency is remarkably improved while the calculation precision is guaranteed.

The utility model discloses an e-commerce goods information pasting label, and particularly relates to the technical field of labels, the e-commerce goods information pasting label comprises a label roll material, the label roll material comprises rolled release body paper and a plurality of labels located on the release body paper, pasting glue is arranged on one side, close to the release body paper, of each label, and a separation strip is arranged at one end of one side, close to the pasting glue, of each label. Firstly, the label is conveniently taken down from the release body paper through the separation strip, the label is held by hand to be pasted on the cargo box body, the label can be conveniently used, the situation that fingers of a user are attached to pasting glue on one side of the label, and the pasting effect of the label is affected is avoided, the separation strip is made of plastic fiber materials, and the separation strip is convenient to use. The situation that the separation strip is torn and left on the label when the label is taken down, and the pasting use effect is affected is avoided, the strength of the label is improved through the fillets, the situation that the label is bent and the pasting effect is affected when the label is taken down from the release body paper is avoided, and the flatness of the taken-down label is improved.

The invention discloses a polishing device of a cabin cover for a wind driven generator, and belongs to the technical field of wind driven generator manufacturing, the polishing device comprises a body, a motor is fixedly arranged on the upper end face of the body, a friction plate is arranged below the body, and an output shaft of the motor penetrates through the body and is coaxially and fixedly arranged with the friction plate; a pumping device is arranged in the body, an output shaft of the motor drives the friction piece to rotate and drives the pumping device to rotate at the same time, a filtering device is arranged on the body, and the suction end of the pumping device is communicated with the peripheral space of the friction piece. When the device is used, the output shaft of the motor drives the friction plate to rotate and also drives the pumping device to rotate, so that the pumping device sucks air around the friction plate and then discharges the air to the filtering device, glass fiber reinforced plastic fibers in the air are retained in the filtering device, clean air is discharged, and the problem that in the using process, the friction plate is damaged is effectively solved. And glass fiber reinforced plastic fibers contained in the air are breathed into an airway by people, so that the human body is injured.

The invention relates to the technical field of polyurethane composite materials, in particular to a polyurethane pultrusion high-strength plate and a preparation method thereof. The plate comprises a base body and polyurethane resin for infiltrating the base body, wherein the base body comprises a central body, a first layer and a second layer; the central body is coated with the first layer; the first layer is coated or semi-coated with the second layer; the central body comprises a plurality of rigid continuous fibers which are directionally arranged, the first layer comprises rigid discontinuous fibers, and the second layer comprises plastic continuous fibers. According to the invention, continuous fibers are used for leading load, coated discontinuous fibers are used for providing multidirectional reinforcement, a rigid fiber network is used for inhibiting compression deformation, and plastic fibers are used for delaying fracture, so that a complementary enhancement effect is formed, and meanwhile, infiltration of polyurethane resin is matched to be combined with a strong interface of the fibers to ensure that a load is efficiently transmitted to a matrix; and finally, the bending strength of the material is effectively improved.

The utility model belongs to the technical field of fiber refining devices, and particularly relates to an extrusion type plastic fiber refining device which comprises an outer barrel and a refining mold, the refining mold is connected to the bottom of the outer barrel in a clamped mode, a filter screen used for filtering molten plastic is arranged at the top end of the refining mold, a pressing plate is arranged at the top end of the filter screen, and a pressing plate is arranged at the bottom end of the pressing plate. A filter assembly for coarsely filtering molten plastic is arranged at the top end of the pressing plate, a top cover is arranged at the top end of the filter assembly and is in threaded connection with the top end of the outer cylinder, a connecting pipe is arranged in the middle of the top cover, and a bottom edge is fixedly connected to the bottom end of the outer cylinder. The device is of a split type structure, after the device is used, when internal residues need to be cleaned, the top cover is screwed off from the outer cylinder, and then the filtering assembly, the pressing plate, the filtering net and the refining mold can be taken out from the interior of the outer cylinder, so that the device is convenient to clean.

This invention relates to the field of permeable concrete technology, specifically to a permeable plastic composite permeable concrete, comprising a permeable plastic layer, an interface transition layer, and a permeable concrete layer arranged from top to bottom; wherein, the permeable plastic layer comprises the following components in parts by weight: 700-750 parts TPU granules, 250-300 parts recycled EPDM granules, 300-400 parts titanium dioxide coated aggregate, 80-120 parts phase change microcapsules, and 5-8 parts crosslinking agent; this invention achieves instantaneous water permeability through the high porosity of the permeable plastic layer, capable of withstanding 50mm / h rainstorms; simultaneously, the permeable plastic layer absorbs vehicle noise, and the PET plastic fibers within the permeable concrete layer form stress bridges, inhibiting microcrack propagation and increasing fatigue life to more than twice that of ordinary permeable concrete. Compared with the traditional single structure of permeable concrete, this structure achieves functional zoning synergy.

To obtain a new agent for reducing microplastic fibers for fibers, capable of reducing the amount of the microplastic fibers generated when fibers or fiber products containing synthetic fibers are washed, etc., and to provide a method for reducing the microplastic fibers.SOLUTION: Fibers and fiber products containing synthetic fibers are treated with a microplastic fiber reducing agent for fibers containing a cationic polymer having a storage modulus of 4. 1Hz or more at a strain of 1% when a 1 mass% aqueous solution is subjected to dynamic viscoelasticity measurement at a strain of 0.01% to 1000% under conditions of 25 °C and a frequency of 0Pa.SELECTED DRAWING: None

The invention provides a bacterial fiber matrix purifier, which integrates a bag type fiber biological filtration matrix and a synchronous nitrification and denitrification mechanism, and has triple advantages of simple structure, efficient decontamination and resource circulation; a modified plastic fiber cloth bag is adopted to synchronously complete physical filtration, biological reaction and microbial film treatment, a vertical flow precipitator, a microfilter, a protein separator and a biological fluidized bed are completely replaced, and the equipment investment is reduced; through the back flushing design of the bottom of the central water inlet pipe, sewage is distributed in a fluidization mode in the bag, macromolecular organic matter is decomposed into biological floccules capable of being eaten by fishes in combination with bacterium-carbon coupling targeted control, the recycling rate of residual feed and excrement is high, meanwhile, high-energy-consumption equipment is omitted, and energy consumption of the system is reduced; the system not only can independently operate in land-based industrial aquaculture to realize a zero-emission carbon sink fishery mode, but also can be used as a front-end pretreatment unit of an existing RAS or an advanced treatment module of a sewage treatment plant, so that the load of a subsequent ecological pool is greatly reduced, and the standard recycling of aquaculture tail water is promoted.