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39results about How to "Prevent rewet" patented technology

PLA (polylactic acid) non-woven fabric diaper with high breathability and preparation method thereof

The invention discloses a PLA (polylactic acid) non-woven fabric diaper with high breathability. The PLA non-woven fabric diaper comprises a surface material, a water absorption core layer and a bottom membrane from inside to outside, wherein the surface material adopts a three-layer structure consisting of an upper layer, a middle layer and a lower layer, PLA short fiber webs are arranged on the upper layer and the lower layer, PLA long fiber non-woven fabric is arranged on the middle layer, and guide holes with pore diameters of 10-30 meshes are distributed on the PLA long fiber non-woven fabric. According to the diaper with the high breathability, upper-layer PLA short fiber non-woven fabric in three-layer PLA fiber webs is adopted as a surface layer, lower-layer PLA short fiber non-woven fabric is adopted as a guide layer, middle PLA filament non-woven fabric is adopts as an isolated layer, the three layers are bonded into integral non-woven fabric in a hot melting compound manner, the method for compounding the guide layer and the non-woven fabric on the surface layer through glue spraying in the production process of conventional diapers is not required, and the breathability between the surface layer and the non-woven fabric on the guide layer is greatly improved.
Owner:马鞍山同杰良生物材料有限公司

Paper diaper capable of rapidly absorbing liquid and keeping dry

The invention discloses a paper diaper capable of rapidly absorbing liquid and keeping dry. The paper diaper comprises a diaper main body, an elastic front waistline and an elastic rear waistline, wherein an absorbent core is longitudinally arranged in the middle of the diaper main body, and the absorbent core is manufactured by compression molding; a plurality of diversion bumps are distributed on the absorbent core; a long diversion slot is longitudinally pressed in the center of the absorbent core; the absorbent core is composed of a surface non-woven fabric layer, a diversion layer, a first high molecular water absorbent layer, a wood pulp layer, a second high molecular water absorbent layer and an anti-leakage bottom film, and the weight ratio of the first high molecular water absorbent layer to the second high molecular water absorbent layer is (3.5-4.5) to 1; the elastic front waistline is arranged at the longitudinal front end of the diaper main body; and the elastic rear waistline is arranged at the longitudinal rear end of the diaper main body. The paper diaper capable of rapidly absorbing liquid and keeping dry disclosed by the invention is reasonable in structure, high in liquid absorption speed and relatively good in thermal-wet comfort property, and the paper diaper is capable of greatly reducing a contact area between the core of the paper diaper and baby's skin and is capable of enhancing comfort thereof.
Owner:ZHEJIANG YOUQUAN CARE PROD TECH CO LTD

Antibacterial, leakage-proofing and side-slip preventing sanitary napkin

The invention discloses an antibacterial, leakage-proofing and side-slip preventing sanitary napkin. The sanitary napkin comprises a surface layer, a stream guidance groove, a side-leakage preventinggroove, a U-shaped bump, an arc-shaped groove, side wings, water retaining grooves, side-leakage preventing bumps, a stream guidance core, an absorbent layer, a bottom layer, a non-slip net, a first arc-shaped strip and a second arc-shaped strip, wherein the surface layer is the uppermost layer of a sanitary napkin main body; the absorbent layer is arranged at the lower side of the surface layer;the upper end face of the absorbent layer is glued to the lower end face of the stream guidance layer; the bottom layer is arranged at the lower side of the absorbent layer; the lower end face of theabsorbent layer is glued to the upper end face of the bottom layer; the stream guidance groove is kept in the surface layer; the stream guidance groove is represented as a sealed ring-closed curve; the stream guidance groove is of a symmetrical structure about the centerline of the sanitary napkin main body; the stream guidance groove is provided with a first flange part, a second flange part anda concave part; the first flange part and the second flange part have arc degrees facing outwards along the axial line of the sanitary napkin main body; and the concave part has an arc degree facing inwards along the axial line of the sanitary napkin main body. The sanitary napkin provided by the invention can prevent side leakage, and the sanitary napkin has bactericidal and bacteriostatic functions.
Owner:王游 +1

Punched and embossed non-woven fabric

The invention discloses punched and embossed non-woven fabric and belongs to the field of non-woven fabric. The punched and embossed non-woven fabric comprises a surface layer made of fine-denier fibers and a bottom layer made of thick-denier fibers and hot-rolled at the lower part of the surface layer, wherein bulges are uniformly distributed on the upper surface of the surface layer, and a downward conical drainage hole is formed between every two adjacent bulges and runs through the surface layer and the bottom layer. Through combination of the drainage holes and the round bulges, the air permeability of the surface layer of the non-woven fabric is enhanced, the affinity and softness are improved when the fabric is contacted with the skin, the surface layer keeps a certain interval with the human skin by means of the budges, liquid absorption and permeation speeds are increased, liquid back permeation is better eliminated, the surfaces of a diaper and a sanitary napkin are drier and cleaner and have good comfort, and red butt phenomena of babies are reduced; through combination of the fibers with different thicknesses, the surface layer is softer, the bottom layer has higher support performance, the forming ratio of the conical drainage holes with a flow guide function is kept more easily, and the cost is lower.
Owner:山东星地新材料股份有限公司 +1

Tridimensional stretching and perforating net surface

InactiveCN101438987AIncrease solid thicknessPrevent side leakageBandagesSlice thicknessEngineering
The invention discloses a solid stretched slotting mesh which is molded by nonwoven fabric or plastic film or the composite material of the nonwoven fabric and the plastic film by the mold stretching and slotting technology. The solid stretched slotting mesh is characterized in that the mesh is uniformly distributed with circular arc grooves which are arranged at intervals in a staggered way or are arranged at intervals transversely between the adjacent rows or in the same line; the bottoms of the circular arc grooves are provided with combined holes; the combined holes are N through holes; N through holes are arranged transversely in the same line; the through holes are separated from each other at intervals; the quantity of the through holes is one or two or N; a blank area between the circular arc grooves is an circular arc convex top; the circular arc grooves are connected with the circular arc convex top smoothly; and the thickness of the molded mesh is 5 to 10 times of the thickness of the material. The solid stretched slotting mesh is the high-grade plus material of one-off sanitary products such as feminine sanitary towel, protection pad, panty-shape diaper and medical mattress. The circular arc grooves are good for containing body fluid, and the body fluid permeates into a flow guidance layer fast through the combined holes, thereby being capable of effectively preventing the body fluid from side leakage and flowing back. The circular arc convex top reduces the contact area with human skin, and the solid thickness of the mesh is increased, so that the solid stretched slotting mesh is ventilative, can eliminate humidity and ensures that human body feels softer, drier and more comfortable.
Owner:冉和碧

Non-woven fabric capable of enabling liquid to quickly underflow and inhibiting backflow and preparation method of non-woven fabric

The invention discloses a non-woven fabric capable of enabling liquid to quickly underflow and inhibiting backflow. The non-woven fabric capable of enabling the liquid to quickly underflow and inhibiting backflow is characterized by comprising an upper-layer non-woven fabric and a lower-layer non-woven fabric, wherein the areal density of the upper-layer non-woven fabric is not less than 35 g/m <2>, and the areal density of the lower-layer non-woven fabric ranges from 20 g/m<2> to 40 g/m<2>. The preparation method comprises the following steps: preparing a fiber web A from ES single hydrophilic fibers is through a non-woven carding net-forming and cross-lapping process; preparing a fiber web B from ES multi-hydrophilic fibers through a non-woven direct lapping process; placing the fiber web A over the fiber web B and carrying out reinforced compounding through a needle punching or hot rolling bonding process. in an initial state, the non-woven fabric is hydrophilic, quick underflow ofliquid can be ensured, when the liquid penetrates through the non-woven fabric, the hydrophilic oil agent of the single hydrophilic fiber is washed and separated by the liquid, the fiber web of the layer is changed from hydrophilic to hydrophobic, the hydrophilic state of the multi-hydrophilic fibers is maintained, at the moment, by the upper hydrophobic layer, backflow of the liquid under the condition of compression can be prevented effectively, and dryness of an upper layer is ensured.
Owner:DONGHUA UNIV

Graphene panty liner

The invention belongs to the technical field of panty liner, in particular to a graphene panty liner, which comprises a panty liner body, wherein the panty liner body comprises a bottom layer, an absorption layer, an anti-reverse osmosis layer, a flow guiding layer, an absorption core and a graphene uterine warming layer; wherein the absorption layer is arranged on the front side of the bottom layer; the anti-reverse osmosis layer is arranged on the front side of the absorption layer; by adoption of the invention, a first hot melt adhesive layer and a second hot melt adhesive layer are connected with the panty liner body through a velcro, so that the panty liner body can be folded and bonded after use; by means of the velcro, the first hot melt adhesive layer and a second hot melt adhesivelayer, the purpose of folding and bonding of the panty liner body after use is achieved, which greatly saves the space saving and looks more elegant at the same time, , by means of setting the material of absorbing core as grain fiber, the double advantages of dry and soft are achieved, which abandons the shortcomings of traditional single mesh and cotton surface, greatly increases the using comfort and ensures women's health, and the panty liner has characteristics of reasonable structure, healthy material and strong practicability.
Owner:大连桃花传媒有限公司

Extrusion system and extrusion method for harmless swill separation

ActiveCN111037974ASolve the technical problem that the moisture content of the extruded material cannot be adjusted and controlledImprove extrusion efficiencyPressesWater storageElectric machine
The invention discloses an extrusion system and extrusion method for harmless swill separation. The system comprises an extrusion frame, an extrusion shell, a feeding mechanism, an extrusion device, adetection device, an automatic discharging device and an extrusion controller. An extrusion cavity and a water storage space which are coaxially arranged are formed in the extrusion shell. The extrusion device comprises an extrusion motor, a stud, an extrusion block and at least one set of stirring blades. The detection device comprises a moisture sensor I and a moisture sensor II, wherein the moisture sensor I is used for detecting the moisture content of the kitchen swill located in the feeding mechanism; and the moisture sensor II is used for detecting the water content of the kitchen swill in the side, away from the extrusion block, of the extrusion cavity. The automatic discharging device comprises a discharging switch, a liquid outlet pipe and a liquid outlet switch. The extrusion controller controls the discharging switch and the liquid outlet switch according to the moisture content I, the moisture content II and a difference value, and adjusts the rotating speed of the extrusion motor. According to the system, the extrusion efficiency and the extrusion effect are improved, the energy utilization rate is high, and full-automatic discharging and dehydration are realized.
Owner:ANHUI TIANJIAN ENVIRONMENTAL PROTECTION

Auxiliary water seepage deodorant floor drain

InactiveCN101936034AEmissions are reliable and efficientReliable exclusionSewerage structuresPondingDeodorant
The invention discloses an auxiliary water seepage deodorant floor drain comprising a floor drain body, wherein a deodorant bowl is arranged on the upper part of the floor drain body; an inserting part is arranged on the lower part of the floor drain body; the inserting part is sheathed with a connecting tube connected with a drainage pipeline; a gap is arranged between the inserting part and the connecting tube; an opening part is arranged on the upper end of the connecting tube and matched and connected with the inserting part in a sealing way; a water seepage structure is arranged on the upper part of the connecting tube; a water guide body for guiding water seepage is arranged on the outside wall of the connecting tube; the arrangement position of the water guide body is positioned below the water seepage structure; and the lower end surface of the inserting part is lower than the arrangement position of the water guide body. The invention can ensure that the structure is simple; the installation is convenient; standing water outside the floor drain effectively seeps to the floor drain through a permeable layer and is drained through the drainage pipeline; the grounds of washrooms, kitchens and balconies usually having standing water can be quickly dried; the pasting time of tiles can be ensured to be long; the water in the floor drain can be prevented from returning to the gap of the tiles and the ground; and the floor drain is specially suitable to be used in southern moist environment.
Owner:徐彬

Deep water seepage deodorization floor drain

The invention discloses a deep water seepage deodorization floor drain comprising a body, wherein a sump tank is arranged at the upper part of the body, a deodorization bowl is arranged above the sump tank, the lower edge of the deodorization bowl is immersed into accumulated water in the sump tank, a plug-in mounting part with a closed lower end is arranged at the lower part of the body, a connecting pipe connected with a drainage pipeline is sheathed on the plug-in mounting part, a water seepage structure for draining the accumulated water between ceramic tiles and the ground is arranged at the upper part of the connecting pipe, a water outlet communicated with the drainage pipeline is arranged on the side wall of the lower end of the plug-in mounting part, and a water seal structure is further arranged in the plug-in mounting part. The deep water seepage deodorization floor drain is simple in structure and convenient to mount, can not only effectively drain the accumulated water between the ceramic tiles and the ground but also effectively prevent the water in the floor drain from seeping back to the ground, and can further enhance the deodorization capability, prolong the existence time of a water seal and effectively prevent odor in the sewage drainage pipeline from overflowing to the outside of the floor drain.
Owner:徐彬

Zero-emission environment-friendly henhouse

InactiveCN105230528AAvoid the problem of prone to groundwater seepagePrevent rewetBird housingsWater drinkingMoisture
The invention discloses a zero-emission environment-friendly henhouse. The zero-emission environment-friendly henhouse is provided with a henhouse body. A moisture-proof pad and a waterproof cement layer are laid on the horizontal ground in the henhouse body. A workbench with the height of 2.0 m to 2.4 m is built on the waterproof cement layer, 2-4 rows of cage frames are arranged on the workbench, manure tanks are arranged below the cage frames, discharge doors are formed in the positions, right opposite to the manure tanks, of one side wall of the henhouse body, centrifugal fans are installed on the discharge doors, wet curtain fans are arranged at the portions, above the discharge doors, of the wall, and a wall, opposite to the wet curtain fans, on the other side is designed into a composite wall. The composite wall is divided into an inner layer and an outer layer. An air outlet is formed in the inner layer of the wall, a wet curtain is arranged on the outer layer of the wall, and a water collecting tank is arranged between the inner layer of the wall and the outer layer of the wall. Multiple flow guide windows with adjustable opening angles are further arranged on the upper portion of one side wall of the henhouse body, and automatic waterers with anti-leakage water drinking nipples are further arranged on the cage frames. It is only needed to remove chicken manure one time in a centralized mode when laying hens are knocked out and delivered out of the frames in about 600 days when a batch of laying hens are bred in the henhouse.
Owner:湖北龙俊禽业有限公司

Diaper core body capable of quickly conducting fluid, preventing side leakage and preventing reverse osmosis

The invention discloses a diaper core body capable of quickly conducting a liquid, preventing side leakage and preventing reverse osmosis. The diaper core body includes a core body, which includes a surface layer and a bottom layer. Both sides of the surface layer and the bottom layer are fixedly provided with connecting pieces. The two connecting pieces are bonded by an adhesive. There are several liquid-absorbing bags between the surface layer and the bottom layer. The several liquid-absorbing bags are filled with liquid-absorbing resin spheres. The several liquid-absorbing bags are fixedlyconnected to the connecting pieces through a connecting rope. According to the diaper core body capable of quickly conducting a liquid, preventing side leakage and preventing reverse osmosis, an openchannel is arranged to prevent a liquid from flowing between the surface layer and the bottom layer. The side leakage prevention effect is good, and the probability of the liquid flowing to both sidesis reduced. By introducing the liquid rapidly into the surface layer and the bottom layer through diversion holes and absorbing the liquid through the liquid-absorbing resin spheres and liquid-absorbing cotton inside the liquid-absorbing bags, the diaper is kept dry. The connecting pieces are fixedly connected to the outside diaper, thus effectively preventing the core body from being displaced in the diaper.
Owner:东莞市常兴纸业有限公司

Preparation method of anti-yellowing silver-containing dressing

InactiveCN109276747AImprove adsorption speed and adsorption capacityKeep the wound moistPharmaceutical delivery mechanismAbsorbent padsChemistryExudate
The invention relates to a preparation method of anti-yellowing silver-containing dressing, and belongs to the technical field of medical dressing preparation. The method comprises the following stepsof performing adhesion performance improving treatment on a silver ion carrier to obtain a modified silver ion carrier; adding anti-yellowing agents with the mass percentage ratio concentration being0.1 to 5 percent into a silver ion solution with the concentration being 10 to 500ppm; performing uniform stirring; obtaining the silver ion solution containing an anti-yellowing agent; putting the obtained modified silver ion carrier into the obtained silver ion solution containing the anti-yellowing agent to be soaked; after the soaking completion, taking out the carrier; draining the carrier so as to obtain a silver-ion-containing carrier adsorbed with the silver ions; firstly exerting a pregel solution onto the surface of the obtained silver-ion-containing carrier adsorbed with the silverions; then, performing curing and shaping; and finally performing cutting and packaging to obtain the anti-yellowing silver-containing dressing. The adsorption speed of the silver ion carrier on polar substances is accelerated; the adsorption capability of the silver ion carrier on the polar substance is improved; the yellowing or even blackening of the anti-yellowing silver-containing dressing can be avoided; the moist state of the wound is maintained; the wound conglutination is avoided; and the backward seepage of exudate is prevented.
Owner:苏州汇涵医用科技发展有限公司

Seepage-assisted and odor-resistant floor drain

The invention discloses a seepage-assisted and odor-resistant floor drain, comprising a floor drain body, the upper part of which is provided with an odor-resistant bowl and the lower part of which is provided with an inserting section, a connecting pipe installed on the inserting section and connected to a drainage pipeline, a gap between the inserting section and the connecting pipe, an openingarranged on the upper end of the connecting pipe and connected to the inserting section in sealing fit, a seepage structure positioned on the upper part of the connecting pipe, a water-guiding body positioned on the lateral wall of the connecting pipe and under the seepage structure for guiding water seepage, with the lower end face of the inserting section below the water-guiding body. Characterized by simple structure and convenient installation, floor drain of the invention can make accumulated water outside seep into the floor drain through a seepage layer and discharged by the drainage pipeline, so that floors easy to accumulate water in toilets, kitchens and balconies can dry rapidly, tiles can be pasted for a longer time and water in the floor drain can be prevented from seeping back to the place between tiles and the floors. Therefore, the floor drain provided in the invention is very suitable for use in southern humid environment.
Owner:徐彬

A non-woven material with asymmetric transmission properties and its preparation process

ActiveCN106087244BHas an asymmetric transmission characteristicRealization of asymmetric transfer characteristicsNon-woven fabricsLevel structureLiquid water
The invention discloses a nonwoven material with asymmetric transmission characteristics, and is suitable for the technical field of nonwoven materials. The nonwoven material is of a multi-level structure, comprising a moisture absorption layer, a transition moisture conducting layer and a moisture resistance layer, wherein the transition moisture conducting layer is arranged between the moisture absorption layer and the moisture resistance layer, and is compounded with the moisture absorption layer and the moisture resistance layer, the moisture absorption layer is composed of a variety of water absorbent fibers according to a certain proportion, the transition moisture conducting layer is of a mixed fiber layer formed by the interpenetration of the water absorbent fibers and PLA (poly lactic acid) filaments, and the moisture resistance layer is of a fluffy fiber layer formed by the PLA filaments. The invention also provides a preparation process of the nonwoven material with asymmetric transmission characteristics, the compounded nonwoven material formed by the PLA fiber layer and the the moisture absorption layer is obtained by preparing the fiber layer and compounding the fiber layer; the nonwoven material with asymmetric transmission characteristics and the preparation process thereof are green, environmentally friendly, biodegradable, meanwhile, the asymmetric transmission of the liquid water or the vapour water is realized in the nonwoven material.
Owner:ZHEJIANG KEDEBANG NONWOVEN CLOTH

Flue gas drying equipment used for bagasse

The invention discloses flue gas drying equipment used for bagasse. The equipment comprises a dehydration device, a material scraping device, a crushing device and a drying cabinet, wherein the dehydration device comprises a rolling unit and a suction unit arranged in the rolling unit, the rolling unit comprises a first pin roller and a second pin roller which are the same in size, a first gap allowing materials to be rolled therein exists between the first pin roller and the second pin roller, a first groove is formed in the outer surface of each pin roller and spirally surrounds the outer surface of a barrel of each pin roller, the distances between the adjacent rings of each groove are the same, and the adjacent rings of each groove are parallel; the material scraping device comprises atensioning mechanism and a material scraping line, the material scraping line is arranged on the tensioning mechanism and tensioned, the material scraping device is arranged below the first pin roller and the second pin roller, and the material scraping line is tightly attached to the lower surfaces of the first pin roller and the second pin roller; the crushing device is arranged below the dehydration device and comprises a funnel-shaped stock bin and a crusher; and the drying cabinet is arranged below the crushing device, and an air inlet used for leading flue gas or hot air in is further formed in the lower portion of the drying cabinet.
Owner:陈志周

A kind of method of cultivating evergreen Rhododendron in alkaline soil area

The invention discloses a method for planting evergreen rhododendron in alkaline soil areas and belongs to the technical field of flower planting. The method includes the steps of 1), digging a drainage ditch 50-100cm in depth in the range 200cm away from a rhododendron planting hole; 2), digging the planting hole deeply according to the height of a rhododendron seedling to enable the hole depth to be 20cm greater than the hole diameter, selecting a root control container with the diameter identical or slightly smaller than that of the planting hole and removing the bottom of the container, downwardly wrapping a plastic film on the position 20cm away from the upper edge of the container, and clamping the film in the planting hole to enable the upper edge of the container to be 20cm higher than the ground; 3), sequentially paving stones about 5cm in diameter, pebbles about 2cm in diameter and rough sand from top to bottom with the total thickness ranging from 50cm to 70cm; 4), fixedly planting the rhododendron with a soil ball with improved soil in the planting hole and the root control container, compacting the soil and enabling the soil layer in the container to be 20cm higher than the ground in during planting. With the method, the rhododendron can be transplanted in survival in the alkaline soil, vigorous growth and exuberant flowering are achieved, the rhododendron can be possibly planted in the open field in the alkaline soil, and application market of the rhododendron in botanical garden afforestation is broadened.
Owner:武汉市林业果树科学研究所

Auxiliary water seepage deodorant floor drain

InactiveCN101936034BEmissions are reliable and efficientReliable exclusionSewerage structuresDomestic plumbingPondingDeodorant
The invention discloses an auxiliary water seepage deodorant floor drain comprising a floor drain body, wherein a deodorant bowl is arranged on the upper part of the floor drain body; an inserting part is arranged on the lower part of the floor drain body; the inserting part is sheathed with a connecting tube connected with a drainage pipeline; a gap is arranged between the inserting part and theconnecting tube; an opening part is arranged on the upper end of the connecting tube and matched and connected with the inserting part in a sealing way; a water seepage structure is arranged on the upper part of the connecting tube; a water guide body for guiding water seepage is arranged on the outside wall of the connecting tube; the arrangement position of the water guide body is positioned below the water seepage structure; and the lower end surface of the inserting part is lower than the arrangement position of the water guide body. The invention can ensure that the structure is simple; the installation is convenient; standing water outside the floor drain effectively seeps to the floor drain through a permeable layer and is drained through the drainage pipeline; the grounds of washrooms, kitchens and balconies usually having standing water can be quickly dried; the pasting time of tiles can be ensured to be long; the water in the floor drain can be prevented from returning to the gap of the tiles and the ground; and the floor drain is specially suitable to be used in southern moist environment.
Owner:徐彬
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