40 results about "Fluff pulp" patented technology

The invention relates to a hygienic product with a flow guide structure and production equipment and process thereof. The hygienic product comprises a bottom layer, an absorption layer and a surface layer, the absorbing layer is positioned between the bottom layer and the surface layer; the absorption layer comprises an absorption core body and a liquid permeable layer, the absorption core body is coated with the liquid permeable layer, the absorption core body is provided with a first liquid absorption area and a plurality of flow guide structures, and the flow guide structures are used for diffusing liquid absorbed by the absorption core body; the flow guide structure is integrally formed in the adsorption forming process of the absorption core body, the absorption core body comprises a second liquid absorption area, and the second liquid absorption area comprises the flow guide structure and the edge of the flow guide structure which extends outwards by 1 mm. The ratio of the fluff pulp density of the first liquid absorption area to the fluff pulp density of the second liquid absorption area ranges from 80% to 100%. The application has the effect of preventing the absorption core body from forming a high-density area.

The present invention provides a pulp sheet for producing fluff pulp that has excellent deodorizing properties, good crushability, and easily recovers its bulk after compression. [Solution] A pulp sheet for producing fluff pulp is prepared by blending (A) softener kraft pulp, (B) metal ion-containing cellulose fibers having ionic substituents and containing ions of one or more metal elements selected from Ag, Au, Pt, Pd, Ni, Mn, Fe, Ti, Al, Zn, or Cu, and (C) softener, such that (C) is 0.1 to 50 parts by mass per 100 parts by mass of the total of (A) and (B).

The utility model discloses an anti-pressure-sore urine isolation pad, and relates to the field of nursing materials, the anti-pressure-sore urine isolation pad comprises a PE waterproof bottom film, PE foam is bonded to the middle of the top surface of the PE waterproof bottom film, the PE foam is in a cross trapezoid shape, fluff pulp layers are bonded to the top surfaces of the PE waterproof bottom film and the PE foam, an SAP super absorbent resin layer is bonded to the top surface of the fluff pulp layer, and the SAP super absorbent resin layer is bonded to the top surface of the fluff pulp layer. PE foam of a cross-shaped trapezoidal structure is additionally arranged between the PE waterproof bottom film and the fluff pulp layer and between the fluff pulp layer and the hot air non-woven fabric surface layer, so that the fluff pulp layer, the fluff pulp layer and the hot air non-woven fabric surface layer form a form with the middle higher than the two sides; therefore, when urine leaks in the middle, the speed that the urine overflows towards the two sides can be increased, the urine absorption speed is increased, the time that the human body makes contact with the urine is shortened, bedsores are reduced, meanwhile, the flow guide grooves are formed in the surface of the PE foam, and the speed that the urine overflows towards the two sides can be increased through the flow guide grooves.

The invention discloses wood pulp defibrating equipment and a defibrating method thereof.The defibrating equipment comprises a shell, a rotor rotatably installed in the shell and a stator structure fixedly installed on the inner wall of the shell, the shell is provided with a feeding port and a cotton outlet, a plurality of movable tooth pieces are installed in the circumferential direction of the rotor, and the movable tooth pieces are arranged on the inner wall of the shell. The multiple movable tooth pieces are arranged on the circumferential surface of the rotor in a staggered mode to form a double-helix mode. And the stator structure comprises a pre-crushing part, a defibrating part and a homogenizing part which are sequentially distributed outside the circular arc of the rotor, and the pre-crushing part, the defibrating part, the homogenizing part and the movable tooth pieces correspondingly form a pre-crushing area, a defibrating area and a homogenizing area. According to the wood pulp defibrated by the method, fibers with the fiber length of 2.5 mm or above account for 95% or above, fibers with the fiber width of 35 microns or above account for 95% or above, the dust rate is within 4%, the high defibrating capacity of 500-1500 kg / h is achieved, and efficient defibrating, gentle carding and fiber protection are achieved.

The invention provides bamboo reed bleached fluff pulp as well as a preparation method and application thereof, and belongs to the field of papermaking. According to the characteristics of low bonding strength and small bursting strength of the arundo donax short fibers and parenchyma cells, the use of chemicals such as a debonding agent and the like is canceled, the preparation process is different from a traditional bamboo fluff pulp preparation process, the components of the arundo donax short fibers are reserved, the three-dimensional structure of the arundo donax bleached fluff pulp fibers is optimized, the water absorption and water retention capacity of the fluff pulp is improved, and meanwhile, the paper pulp yield is optimized. According to the raw material characteristics of the bamboo reed, the process conditions of prehydrolysis, cooking and bleaching are optimized, and an economical and efficient bleached fluff pulp product of the bamboo reed pulp is produced, so that the method has good practical application value.

The utility model relates to a disposable transfer nursing drawsheet which comprises a composite polymer drawsheet assembly and a handle assembly. The composite polymer drawsheet assembly and the handle assemblies are rectangular, the handle assemblies are connected to the edge openings of the long edges of the two sides of the composite polymer drawsheet assembly, a plurality of handle holes are formed in the handle assemblies at equal intervals, and the handle holes are 8-shaped; the composite polymer drawsheet assembly comprises a surface skin-friendly non-woven fabric layer, a hot melt adhesive layer, an upper tissue layer, a polymer water-absorbent resin layer, a fluff pulp layer, a lower tissue layer and a bottom lamination non-woven fabric layer. The surface skin-friendly non-woven fabric layer, the upper paper towel layer, the high-molecular water-absorbent resin layer, the fluff pulp layer, the lower paper towel layer and the bottom laminated non-woven fabric layer are sequentially connected in a laminated manner; a hot melt adhesive layer is arranged between the surface skin-friendly non-woven fabric layer and the upper tissue layer, and a hot melt adhesive layer is arranged between the lower tissue layer and the bottom lamination non-woven fabric layer.

The invention relates to the technical field of hygienic products, in particular to an air-laid glue-free core body for solidifying fluff pulp and SAP (Super Absorbent Polymer) by using superfine melt-blown fibers. The preparation method comprises the following steps: forming fluff pulp fibers into a base material layer through air laying; applying the modified SAP material to the substrate layer; the polymer melt forms melt-blown fibers through a melt-blowing process, and the melt-blown fibers directly deposit and penetrate into the SAP-containing base material layer when the melt-blown fibers have thermal viscosity to form a three-dimensional intertwining structure; and finally, carrying out hot pressing treatment on the structure, and realizing integral solidification under the condition of no additional adhesive by utilizing the thermal viscosity of the melt-blown fibers. The modified SAP material is obtained through pretreatment of an epoxy compound and coating treatment of mixed slurry of nanocrystalline cellulose and a functional additive. The problems that SAP particles in a traditional core body are prone to migration, powder falling and gel blocking are effectively solved through the glue-free solidification technology, and the obtained core body is high in absorption speed, low in back seepage amount, stable in structure and suitable for sanitary products such as paper diapers and sanitary napkins.

This invention discloses a method for modifying fluff pulp, which can effectively increase the porosity between fibers, thereby improving its liquid conductivity. The preparation method includes the following steps: treating different types of softwood pulp boards with ultrasonic waves and 1,2,3,4-butanetetracarboxylic acid (BTCA) crosslinking. Ultrasonic pulverization effectively reduces the bonding force between fibers, while the polycarboxylic acid crosslinking method gives the fibers a large number of pores, improving fiber bulk and fixing fiber morphology. After this treatment, the fiber morphology shows significant curling, twisting, and indentation, thus affecting its liquid conductivity. The fluff pulp modification method of this invention uses commercial softwood pulp boards as raw materials. Through a simple and easy modification method, it effectively overcomes the shortcomings of domestically produced fluff pulp, such as slow absorption rate, long liquid absorption time, and low bulk, thus improving production efficiency.

The utility model discloses a dry and comfortable low-back-seepage composite non-woven fabric, which relates to the technical field of non-woven fabrics and comprises a non-woven fabric surface layer, a charcoal paper pulp layer, a fluff pulp layer, an SAP (super absorbent polymer) high-molecular layer, a tissue and a backing. After water enters the non-woven fabric surface layer and permeates into the non-woven fabric surface layer, the charcoal paper pulp layer and the fluff pulp layer directly absorb water and settle to the SAP polymer layer, so that the operation effect of absorbing cores one by one to lock and draw water is achieved, and the paper towel and the back lining are applied to the skin in a dry and comfortable mode; the operation effect of blocking low back seepage of water infiltrated from the diaphragm and the fluff slots is achieved through the arc-shaped diaphragm surface and the corrugated layer surface, so that the absorption core body draws and locks water under the centripetal guide of the corrugated sector and the round edge of the ball core; and the water flow which cannot be locked can pass through the absorption core pipe between the convex arc-shaped layer surface and the concave arc-shaped layer surface to achieve the pipe ring spherical surface water locking effect of the absorption core, so that the absorption ball cores in the round edge array matrix of the ball cores one by one can fully absorb water one by one to achieve the dry and comfortable effect on the paper towel and the backing.

To provide an absorbent article and a bodily fluid detection method that can repeatedly detect even mild urinary incontinence. [Solution] The present disclosure provides a light incontinence pad 2 comprising a liquid-permeable skin-side sheet 21, a liquid-impermeable non-skin-side sheet 23, and an absorbent body 22 disposed between the skin-side sheet 21 and the non-skin-side sheet 23, wherein the light incontinence pad 2 is provided with at least one conductive member 24c on one side and at least one conductive member 24c on the other side, spaced apart in the width direction with respect to the center line in the width direction of the light incontinence pad 2, and the proportion of fluff pulp in the absorbent body 22 is 15% by weight or less.

The present application relates to the technical field of sanitary products, and particularly relates to a biodegradable nursing pad and a preparation process thereof. The nursing pad comprises a skin-friendly top layer, a composite core absorption layer and a gas-impermeable bottom layer from top to bottom. The composite core absorption layer comprises a gel-embedded skeleton composed of an air-laid wood pulp fiber web and a composite antibacterial hydrogel in-situ cross-linked and embedded in the pores of the web, and a fluff pulp fiber layer fixed to at least one surface of the skeleton. The composite antibacterial hydrogel comprises hydrophilic reinforcing fibers modified by a silane coupling agent with a hydrophilic group, a sodium alginate matrix and zinc ions. The nursing pad prepared by the present application has excellent rapid absorption, high antibacterial efficiency and high biodegradability, and solves the problem that traditional products are difficult to have both performance and environmental protection.

The utility model relates to sanitary article technical field especially, more particularly to a kind of foam cotton composite core structure, from top to bottom sequentially include surface non-woven fabric, PU foam cotton layer and absorbent core, the absorbent core includes lower water absorption layer and second high molecular absorbent resin applied on lower water absorption layer, surface non-woven fabric and absorbent core between place PU foam cotton layer promote the softness of core body, compared with existing core body, it is more light, experience is better, SAP is embedded in absorbent core, without wrapping SAP also can not scatter, water-absorbing resin has certain weight and is applied on certain density fluff pulp, when contact with skin, it is thick and hard stiff, and comfort is low.

The invention relates to the technical field of hygienic products, in particular to a biodegradable nursing pad and a preparation process thereof. The nursing pad comprises a skin-friendly top layer, a composite core absorption layer and an anti-seepage breathable bottom layer from top to bottom. The composite core absorption layer comprises a gel embedded framework and a fluff pulp fiber layer, wherein the gel embedded framework is composed of an air-laid wood pulp fiber net and composite antibacterial hydrogel which is cross-linked in situ and embedded in pores of the air-laid wood pulp fiber net, and the fluff pulp fiber layer is fixed to at least one surface of the framework. The composite antibacterial hydrogel comprises hydrophilic reinforced fibers modified by a silane coupling agent with hydrophilic groups, a sodium alginate matrix and zinc ions. The prepared nursing pad has excellent rapid absorption, efficient antibacterial and high biodegradability, and the problem that performance and environmental protection of a traditional product are difficult to consider at the same time is solved.

This utility model discloses a fluff pulp molding device for the production of sanitary products, including a workbench. A heating box is fixedly connected to the top of the workbench, and a molding die is inserted into the inner wall of the heating box. A stirring head is arranged above the molding die, and a fixing shell is installed on the outer wall of the stirring head. This utility model relates to the technical field of sanitary napkin production equipment. Through the cooperation of the heating box, stirring head, and fixing shell, the fluff pulp is added into the molding die during the molding process. The stirring head stirs the fluff pulp in the molding die, and after complete stirring, an extrusion plate extrudes the fluff pulp in the molding die, allowing the fluff pulp to be molded quickly. This makes the fluff pulp more stable after molding, solving the problem of uneven distribution of fluff pulp during the molding process, which leads to unstable product quality and affects the performance of sanitary products. It also addresses the problem that some devices have low molding efficiency and cannot meet the needs of large-scale production.

The present invention refers to a disposable absorbent hygiene article with high sensitivity to nitrites that comprises a nitrite indicator hot-melt adhesive (5) that detects nitrites in urine. The disposable absorbent hygiene article of the present invention is comprised of an inner layer or topsheet (1) comprising a non-woven, an acquisition distribution layer (ADL) (2), an absorbent core (3) comprising a super absorbent polymer (SAP) + fluff pulp, and an outer layer or backsheet (4) comprising a polyethylene or polypropylene film with a nitrite indicator hot-melt adhesive (5) which is applied in the inner side. The disposable absorbent hygiene article of the present invention is particularly but not exclusively, a diaper, an incontinence pad or a sanitary napkin.

The utility model relates to the technical field of maternal and child products, in particular to a moisture absorption object capable of preventing displacement and side leakage, a protection pad, a sanitary towel and menstrual period trousers, which comprises a high-molecular water-absorbent resin layer and a fluff pulp layer coated outside the high-molecular water-absorbent resin layer, an opening is integrally formed in the upper surface of the fluff pulp layer, a deformation groove integrally formed with the high-molecular water-absorbent resin layer is formed below the opening, a weak groove is further integrally formed in the position, corresponding to the deformation groove, of the lower surface of the fluff pulp layer, and side guardrails made of sisal fiber materials are arranged on the two sides of the upper surface of the fluff pulp layer. When the clothes penetrate through the moisture absorption object, the upper surface of the moisture absorption object is turned upwards along the deformation grooves to expand through extrusion force of the clothes on the moisture absorption object, and liquid flowing out towards the two sides is absorbed through the side guardrails.

The invention discloses a melt-blown cloth absorption core and a preparation method thereof, and relates to the field of hygienic products. The melt-blown cloth absorption core comprises an upper coating layer, an SAPO / fluff pulp absorber and a lower coating layer which are sequentially arranged, the upper coating layer and the lower coating layer are both made of melt-blown non-woven cloth subjected to hydrophilic finishing, and the SAPO / fluff pulp absorber is obtained by evenly mixing modified wood pulp fibers and super absorbent resin according to the weight ratio of (10-30): (20-80). The melt-blown non-woven fabric is subjected to hydrophilic modification by grafting acrylamide and chitosan, and the modified wood pulp fibers are obtained by grafting wood pulp fibers and carboxymethyl cellulose. The absorption core body prepared by the invention keeps good liquid absorption speed and softness, does not lump, does not leak powder, and reduces back seepage.

The invention relates to the technical field of core forming, in particular to a fluff pulp layer forming device for paper diaper core production. An air channel in the device sequentially comprises a flow dividing assembly and an oscillation assembly from top to bottom. The oscillation assembly comprises an elasticity enhancing set and a screen, the elasticity enhancing set comprises a first elastic rope, a second elastic rope and a stirring piece, and the stirring piece conducts reciprocating motion to enable the second elastic rope to vibrate. The two elasticizing sets are symmetrically arranged up and down, and the screen is arranged between the two elasticizing sets. According to the invention, the shunting assembly is arranged in the air duct, carding and dispersion are carried out in the falling process of piled fluff pulp, and the fluff pulp falling controllability is improved while uniform falling of the fluff pulp is ensured; and by arranging the oscillation assembly, two elastic groups are matched with the screen in the middle, so that the fluffiness of fluff pulp is improved.

The application provides a shoe press felt for papermaking process reconstituted tobacco and a preparation method and application thereof, which comprises an upper surface layer, a middle fiber layer and a lower surface layer; the upper surface layer and the lower surface layer independently comprise a mixture of acrylonitrile-butadiene-styrene copolymer (ABS) and polylactic acid (PLA) with a volume ratio of (5:1) to (3:1); and the middle fiber layer is prepared from conifer fiber fluff pulp. The felt surface layer prepared from the mixture of ABS and PLA can block the direct contact between the pollutants of the papermaking process reconstituted tobacco and the water-absorbing fiber layer (the middle fiber layer), avoid the blockage of the felt caused by the direct contact between the pollutants and the fiber layer, and further improve the dehydration efficiency of the felt; the fiber layer prepared from the conifer fiber fluff pulp has good water absorption, and can greatly improve the dehydration efficiency of the felt.

Sanitizing and disinfecting substrates loaded with, or to be loaded with a stable liquid HOCl solution are disclosed. The substrates may be a multi-ply laminate of a nonwoven fabric material having first and second outer layers of a normally hydrophobic synthetic polymer polypropylene (PP), polyethylene (PE) and / or polyester (PET) fibers, and an inner layer of synthetic polymer PET fibers and / or organic polymer fluff pulp. The layers may be bonded together by adhesive bonding, chemical bonding or thermal bonding. A container is provided for receiving and storing the substrates and for subsequently dispensing the substrates. A combination container and substrates is provided for receiving and storing the substrates and subsequently dispensing substrates loaded with the HOCl solution or to be loaded with the HOCl solution. Substrates may be pre-moistened with the HOCl solution and disposed within the container, or alternatively, disposed within the container and subsequently moistened with the HOCl solution.

This invention relates to the field of fluff pulp technology, specifically to an antibacterial and deodorizing fluff pulp based on plant extracts and its preparation process. The pulp comprises activated wood pulp fiber, plant extract antibacterial and deodorizing material, and bamboo extract. The plant extract antibacterial and deodorizing material is composed of a composite coating material formed by cross-linking γ-cyclodextrin and oligochitosan, which coats tea polyphenols, berberine, and artemisia argyi extract. The steps include: S1 preparing the plant extract antibacterial and deodorizing material; S2 activating the wood pulp fiber to obtain activated wood pulp fiber; and S3 mixing the activated wood pulp fiber, the plant extract antibacterial and deodorizing material, and bamboo extract with water, followed by homogenization, shaping, filtration, pressing, and drying to obtain the antibacterial and deodorizing fluff pulp. This invention achieves stable and long-lasting antibacterial and deodorizing functions in fluff pulp by covalently grafting activated wood pulp fiber with the antibacterial material, enhancing the stability of the plant extract through the composite coating material, and regulating the reaction environment and synergistically inhibiting bacteria with bamboo extract.

The invention provides a high-water-absorption quick-drying sanitary material and a preparation method thereof, and belongs to the technical field of water-absorption sanitary materials. Soybean protein isolate and tannic acid are compounded under the weakly alkaline condition, a protein-polyphenol three-dimensional network with hydrogen bonds, static electricity and hydrophobic effects as main effects is constructed in situ in emulsion droplets, the polyphenol-protein composite microgel with water absorption swelling capacity and mechanical strength is obtained, moisture can be bound after liquid absorption, and pressed back seepage is reduced; meanwhile, porous cellulose long fibers with communicated multistage pore channels are introduced, capillary diversion of the core body and diffusion of liquid in the plane and thickness direction are enhanced, framework support is provided in a wet state, and collapse and lump shrinkage of a fluff pulp / super absorbent resin system are slowed down; the two components and the super absorbent resin cooperate to form a'diversion skeleton-water locking infinitesimal-super absorbent unit 'liquid management structure, the liquid absorption amount is maintained, liquid migration and storage behaviors are optimized, and instantaneous absorption, distribution uniformity and pressed back-seepage prevention performance are considered.

The present application relates to the technical field of disposable sanitary products, and particularly relates to a preparation method of a low reverse osmosis baby diaper, and a preparation method of an absorbent body comprising the following steps: a, taking two hydrophilic non-woven fabrics as upper and lower surface layers of a core body and continuously conveying them respectively; b, applying glue on the upper surface of the lower surface layer and continuously conveying; c, applying liquid absorbing material on the upper surface of the lower surface layer, so that the liquid absorbing material is bonded with the glued lower surface layer, the liquid absorbing material is composed of fluff pulp and SAP, and after being laid, a single fluff pulp layer and SAP layer are formed; d, folding the lower surface layer on the two sides of the lower surface layer to which the liquid absorbing material is applied in step c inward, so that the two sides of the continuously conveyed lower surface layer form multiple folding parts, the inner side surface of the folding part is bonded with the fluff pulp layer, and the lower surface layer between the two folding parts is distributed with the fluff pulp layer and the SAP layer. The present application solves the problem of the existing sanitary product that the anti-reverse osmosis product has a large thickness and poor comfort.

One aspect of the present invention is a pulp sheet that is for fluff pulp and contains: starting material pulp formed from conifer bleached kraft pulp; and a surfactant. The starting material wood for the conifer bleached kraft pulp includes cedar, and the surfactant includes a non-ionic surfactant and a cationic surfactant. The percentage of pulp fibers that have a fiber length of greater than 0.2 mm but less than 0.6 mm on a length-weighted fiber length distribution for the pulp fibers is at least 8 mass%, and the mass ratio of the cationic surfactant to the non-ionic surfactant is 0.25–4.00. The non-ionic surfactant is preferably a polyoxyalkylene alkyl ether, and the cationic surfactant content is preferably 0.075–2.250 kg / t.

The invention discloses a deodorization paper diaper with a warning function, and belongs to the technical field of adult paper diapers. The technical problem that in the prior art, an adult paper diaper cannot have the dual functions of deodorization and warning at the same time is solved. The invention discloses a deodorization paper diaper with a warning function. The deodorization paper diaper with the warning function structurally comprises a surface layer, a flow guide layer, an absorption core layer and a bottom film in sequence from top to bottom, the surface layer fabric is obtained by adding a composite indicator into an EVA hot melt adhesive, then coating the EVA hot melt adhesive to the surface of a cotton fabric, and cooling and curing; the composite indicator is trivalent cobalt / chitosan ligand / glycine o-cresol red. The absorption core layer is obtained by paving a deodorant on fluff pulp, and the deodorant is spherical weakly alkaline resin grafted with a monomer. The deodorizing paper diaper prepared by the invention has the advantages of warning amide and absorbing sulfide.

The present invention discloses a carbon fiber core including a carbon fiber core body, the carbon fiber core body comprising a flow guide layer, adhesive layer I, coating layer I, adhesive layer II, carbon fiber layer, fluff pulp layer, water-absorbent resin layer, adhesive layer III, and coating layer II arranged in order from top to bottom, with liquid permeable and ventilated holes provided in the coating layer and core layer. The present invention has a rational structure and, while guaranteeing absorption and penetration prevention performance, further possesses excellent deodorizing and antibacterial properties, and can be applied to incontinence pads and sanitary napkin products. The manufacturing process of the present invention enables mass production of cores and applied products, solving the problems of low production quality and slow production speed that exist in conventional sanitary products made with activated carbon.

The invention discloses a gradient distribution absorption core body and a disposable hygienic product. Comprising at least a rapid absorption liquid storage layer; the rapid absorption liquid storage layer comprises a first layer, a second layer and a third layer, wherein the first layer is a rapid flow guide absorption layer prepared from two-component coarse denier core shift three-dimensional ES fibers; the second layer is a bamboo fluff pulp rapid absorption layer which absorbs a large amount of rapid flow guide infiltration liquid on the upper layer, and liquid longitudinal gradient distribution and smooth transition effects are achieved; the third layer is a needlebush fluff pulp absorption liquid storage layer which is used for absorbing liquid dispersed by the bamboo fluff pulp layer, driving the liquid to diffuse in the plane and the longitudinal direction, effectively locking the liquid, preventing the liquid from quickly permeating back and realizing longitudinal gradient distribution of the liquid; the fourth layer is a broadleaf wood fluff pulp water-locking supporting layer; and the bottom layer of the fifth layer is a liquid-locking seepage-proofing absorption layer. A highly collaborative liquid management system is constructed, smooth transmission of liquid is ensured through gradient design among the layers, the liquid absorption capacity is improved step by step, the layers are linked with one another, the structural strength is supported with one another, and the whole core body is soft, light and thin.

The invention discloses a carbon fiber core, which includes a carbon fiber core body. The carbon fiber core body comprises, from top to bottom, a diversion layer, an adhesive layer I, a wrapping layer I, an adhesive layer II, a carbon fiber layer, a fluff pulp layer, a water-absorbent resin layer, an adhesive layer III, and a wrapping layer II. The wrapping layers and the core layer are provided with liquid-permeable and air-permeable holes. On the premise of having a reasonable structure and ensuring absorption performance and anti-reflux performance, the present invention also has excellent deodorizing performance and bacteriostatic performance, and can be applied to incontinence pads and sanitary napkins. In addition, the preparation process of the present invention can realize mass production of the core and applied products, solving the problems of poor production quality and slow production speed existing in the previous sanitary products made of activated carbon.

This invention relates to the field of core forming technology, and in particular to a fluff pulp layer forming device for diaper core production. The device's air duct, from top to bottom, includes a flow-diverting component and an oscillation component. The oscillation component includes a texturing group and a screen. The texturing group includes an elastic rope one, an elastic rope two, and a lifting element. The lifting element reciprocates, causing the elastic rope two to vibrate. The two texturing groups are symmetrically arranged vertically, with the screen positioned between the two elastic groups. This invention, by setting a flow-diverting component inside the air duct, combs and disperses the fluff pulp during its fall, ensuring uniform pulp fall while increasing the controllability of the fall. By setting an oscillation component, utilizing the two elastic groups in conjunction with the intermediate screen, the fluff pulp's fluffiness is improved.