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33results about How to "No side leakage" patented technology

Anti-side leakage degradable polylactic acid sanitary napkin and preparation method thereof

The invention provides an anti-side leakage sanitary napkin, which includes a surface non-woven fabric and a bottom impermeable membrane disposed from the inside out. The surface non-woven fabric has a three-piece structure, the intermediate piece of surface non-woven fabric and the two-wing surface non-woven fabrics are sticked together, and the space between the intermediate piece of surface non-woven fabric and the bottom impermeable membrane is filled with a toilet paper coated wood pulp cellulose absorption core. The surface of the sanitary napkin provided by the invention is composed of 100% polylactic acid fiber or PLA / PBHV fiber hot blast nonwoven fabric. The polylactic acid fiber retains the original characteristics and does not cause any damage. As polylactic acid is formed by polymerization of lactic acid molecules as monomers and spinning, polylactic acid molecules with short molecular chains possibly exist on the fiber surface, so that the pH value of a polylactic acid non-woven fabric surface shows weak acidity and is consistent with that of human body skin. Also an odor removal function is provided. The lateral two pieces of non-woven fabrics have greater gram weight and thickness than the intermediate piece, and side leakage cannot be caused.
Owner:马鞍山同杰良生物材料有限公司

Laser edge banding machine for plastic film, nonwoven cloth composite filter paper

The invention relates to a filter core manufacture field. The invention discloses a laser edge bonding machine used for plastic films and non-woven fabrics composite filter paper. The invention comprises a laser device, a composite filter paper transmission device, a bracket system, a smoke pumping device and a loading / unloading device. The laser device and the composite filter paper transmission device are supported by the bracket system; the laser device is arranged above the composite filter paper transmission device; the smoke pumping device is arranged above the composite filter paper transmission device and below the laser device; the loading / unloading device is arranged on the side surface of the bracket system. The edge bonding heating of the invention has the advantages of high efficiency, high processing speed and simple structure.
Owner:武汉楚天激光(集团)股份有限公司

Polymer composite core for paper diaper and preparation method of polymer composite core

The invention discloses a polymer composite core for a paper diaper and a preparation method of the polymer composite core, and relates to the polymer composite core. The polymer composite core is provided with a non-woven fabric surface layer, a non-woven fabric bottom layer and a bulky non-woven fabric layer, wherein the bulky non-woven fabric layer is arranged between the non-woven fabric surface layer and the non-woven fabric bottom layer, and is in composite connection with the non-woven fabric surface layer and the non-woven fabric bottom layer through hot-pressing or an adhesive and hot-pressing, water absorbing resins are permeated uniformly inside the bulky non-woven fabric layer, and surfaces of the non-woven fabric surface layer and the non-woven fabric bottom layer are both provided with knurling. Or the polymer composite core is provided with a non-woven fabric surface layer, a non-woven fabric bottom layer and a bulky non-woven fabric layer, wherein the bulky non-woven fabric layer is arranged between the non-woven fabric surface layer and the non-woven fabric bottom layer, and is in composite connection with the non-woven fabric surface layer and the non-woven fabric bottom layer through an adhesive, the water absorbing resins are permeated uniformly inside the bulky non-woven fabric layer, and the surfaces of the non-woven fabric surface layer and the non-woven fabric bottom layer are both provided with knurling.
Owner:厦门造福堂文化传媒有限公司

Transparent flexible GaN nanorod array light emitting diode device and manufacturing method thereof

The invention belongs to the field of light emitting diode devices and particularly relates to a transparent flexible GaN nanorod array light emitting diode device and a manufacturing method thereof.The transparent flexible GaN nanorod array light emitting diode device comprises a transparent flexible substrate, a graphene first transparent flexible electrode, a GaN nanorod array, a graphene second transparent flexible electrode and a transparent flexible material sequentially from bottom to top, wherein the GaN nanorod array comprises n-type GaN, an InGaN / GaN multilayer quantum well and p-type GaN sequentially from bottom to top. Due to the GaN nanorod array in a vertical structure, side leakage similar to a core / shell structure is not caused, and due to a graphic transfer technology forphotolithography, the light emitting nanorod array is regularly arranged and can be arranged to light emitting points of any graph; as the nanorods are vertical and have the uniform lengths, almost all light emitting points emit light, and the light emitting efficiency of the LED can be greatly improved; and the graphene is used as an electrode and a current diffusion layer, the GaN nanorod arrayLED can be bent and can be in a transparent state in a non working state.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI

Black sanitary towel

ActiveCN107898560AWith adsorption and deodorizationAntibacterialBio-packagingSanitary towelsEngineeringMoisture absorption
The invention provides a black sanitary towel. The black sanitary towel comprises a sanitary towel body, and the sanitary towel body comprises a surface non-woven fabric layer, an absorption core anda bottom impermeable membrane from top to bottom in sequence; the surface non-woven fabric layer comprises a middle sheet, retaining walls and side wings; the middle sheet is arranged in the middle ofthe surface non-woven fabric layer and used for cooperating with the bottom impermeable membrane and completely wrapping the absorption core; the side wings are arranged at the two sides of the surface non-woven fabric layer and used for fixing the sanitary towel body; the retaining walls are arranged at the two sides of the middle sheet and used for preventing an absorbed material which is absorbed by the middle sheet or the middle core from leaking from the sides; the side wings are fixedly connected with the middle sheet through partial retaining walls; the surface non-woven layer and thebottom impermeable membrane are both black. The black sanitary towel can meet the basic requirement of sanitary towels and have the advantages of bacterial inhibition, odor removal, moisture absorption and ventilation, soft and comfortable performance and complete degradation.
Owner:上海贝睿斯生物科技有限公司

Hygiene product containing controllable local hydrophilic pure cotton non-woven fabric and preparation method of hygiene product

The invention relates to the field of hygiene products, and provides a hygiene product containing a controllable local hydrophilic pure cotton non-woven fabric and a preparation method of the hygieneproduct. The problems that a surface layer of a hygiene product in the prior art is strong in moist feeling, large in absorbed liquid retain amount and not dry and comfortable are solved. The preparation method comprises the steps of preparation of the surface layer, an absorbent body and a liquid-impermeable primer layer and integration of the obtained surface layer, the absorbent body and the liquid-impermeable primer layer into one body, and the surface layer is the controllable local hydrophilic pure cotton non-woven fabric; and the preparation steps of the controllable local hydrophilic pure cotton non-woven fabric are that (1) feeding of the pure cotton non-woven fabric is carried out, specifically, the pure cotton non-woven fabric is placed on a unwinding mechanism for feeding; (2)a hydrophobic oil agent is applied on the pure cotton non-woven fabric, theliquid applying amount is controlled at 0.5-3gsm; and (3) drying is carried out, and then the material is subjected to the next treatment process.
Owner:FUJIAN HENGAN HLDG CO LTD +2

Sealing method for impermeability test of concrete

The invention discloses a sealing method for impermeability test of concrete. The method comprises the following steps: step 1, maintaining a truncated-cone-shaped test block used for impermeability test, taking the test block in one hour before the impermeability test, cleaning the side surface of truncated-cone-shaped test block by wiping and removing burrs; step 2, uniformly smearing the side surface of truncated-cone-shaped test block with a weather-proof neutral silicone adhesive so as to form an annular sealing adhesive strip; step 3, cleaning a test block sleeve by wiping, sleeving the test block smeared with the weather-proof neutral silicone adhesive with the test block sleeve; step 4, spraying the weather-proof neutral silicone adhesive into gaps formed in joint of the test block and test block sleeve, flattening and compacting the gaps so as to form an annular adhesive ring on the surfaces of the gaps and carrying out indoor standing for 5.5 to 6.5 h until the annular adhesive ring on the surfaces of the gaps, thereby obtaining a treated test block; and step 5, loading the treated test block on an impermeability instrument for impermeability test. The method provided by the invention improves the efficiency of the impermeability test of concrete, reduces work intensity of testing personnel, saves cost and decreases environmental pollution.
Owner:SHANGHAI CONSTR BUILDING MATERIALS TECH GRP CO LTD

Sanitary towel with three-dimensional leakproof enclosures and manufacturing method thereof

The invention discloses a method for manufacturing a sanitary towel with three-dimensional leakproof enclosures. The method comprises the steps that S1: a first covering device bends the left enclosure and the right enclosure downwards along a first covering position A for primary covering; S2: an absorbent body is laid on a first uncovered section b1 of each enclosure; and S3: a third covering device bends the first uncovered sections b1 upwards along a third covering position C for ternary covering. Each three-dimensional leakproof enclosure manufactured with the method comprises an inner double-layer protection edge, an outer double-layer protection edge and a bent portion. The sanitary towel comprises the enclosures, the enclosures are arranged on the left side and the right side of the absorbed body of the sanitary towel, and the absorbent body comprises a leakproof bottom layer, an absorbent core and a liquid-pervious surface layer which are arranged from bottom to top in sequence. Compared with the prior art, the sanitary towel has the advantages of being good in leakproof effect, comfortable in use and the like.
Owner:ZUIKO (SHANGHAI) CORP

Traditional Chinese medicine compounded liquid sanitary napkin and preparation method therefor

The invention provides a traditional Chinese medicine compounded liquid sanitary napkin. An inner core of the sanitary napkin is prepared from a novel liquid material through curing, mold pressing andscissoring, wherein the novel liquid material is prepared through mixing purified water, a traditional Chinese medicine extract and a nano super-absorbent polymer according to a certain ratio, carrying out emulsifying and carrying out homogenizing; and the traditional Chinese medicine extract is prepared from the following raw materials: herba leonuri, aloe vera, radix astragali, rhizoma Chuanxiong, artemisia argyi, cortex phellodendri, radix sophorae flavescentis, herba houttuyniae and fructus cnidii. The liquid sanitary napkin provided by the invention is dryer and clearer in surface layer,more superior in absorption property and free of side leakage; the menstruation absorption time of the liquid sanitary napkin is relatively short and is only 3 seconds on an average, and a consumer has skin-fitting feeling, comfort feeling and non-foreign sense in wearing; and meanwhile, the liquid sanitary napkin further has the actions of resisting bacteria, diminishing inflammations, relievingitching, regulating turbulence of vaginal florae, relieving primary dysmenorrhea, increasing the quantity of vaginal lactobacilli and improving immunologic functions of organisms, thereby being lovedand pursued by extensive female consumers.
Owner:SHANGHAI SUNO ENTERPRISE DEV CO LTD

Three-dimensional punching mechanism and punching method of disposable sanitary material

The invention relates to a three-dimensional punching mechanism and a punching method of a disposable sanitary material. An air-draft shaping roll, a concave punching roll and a dragging roll are arranged in a linear shape, a convex punching roll is matched with the concave punching roll and positioned on the concave punching roll, electric heating pipes are positioned in the convex punching roll, the concave punching roll and the dragging roll which are supplied with power by conducting slide rings positioned at the ends of the electric heating pipes, plate type thermocouples are positioned in the convex punching roll, the concave punching roll and the dragging roll and are supplied with the power by conducting rings, and the electric heating pipes are controlled to work by a PLC (Programmable Logic Controller). The three-dimensional punching mechanism has the advantages that firstly, the mechanism can press the original flat non-woven fabric raw material into products with double-side three-dimensional through holes so that the thickness of the non-woven fabric raw material is increased by 20-30 times after punching and stretching; and secondly, the mechanism realizes point type contact of sanitary article surfaces and skin of human bodies, a formed three-dimensional through hole liquid storage tank has large storage capacity of menstrual liquid and urine without side leakage so that the skin of people still keeps dry and comfortable, and the comfortableness of the product is greatly improved.
Owner:湖州唯可新材料科技有限公司

Polymer compound core body and preparation method thereof

The invention discloses a polymer compound core body and a preparation method thereof and relates to a polymer compound core body. The invention provides a polymer compound core body which is mainly used for paper diapers and panty diapers, the polymer compound core body which cam not form lump and can not be broken or delaminated and a preparation method thereof. The compound core body is provided with an airlaid paper surface layer, an airlaid paper bottom layer and a bulking non-woven fabric layer, wherein the bulking non-woven fabric layer is arranged between the airlaid paper surface layer and the airlaid paper bottom layer and is adhered to the airlaid paper surface layer and the airlaid paper bottom layer by an adhesive; and water absorbent resin is uniformly penetrated in the bulking non-woven fabric layer. Urine can be rapidly and completely penetrated to the polymer compound core body; the airlaid paper surface layer of the compound core body can effectively absorb the urine; a polymer water absorbent resin of the polymer compound core body can effectively absorb and store the urine; and the bulking non-woven fabric layer can ensure that the urine rapidly penetrates towards the direction of the bottom layer, thus the water-absorbing quantity is large, the surface layer is kept in a drier state and a human feels comfortable.
Owner:厦门造福堂文化传媒有限公司

Pixel structure and liquid crystal display panel

The invention discloses a pixel structure and a liquid crystal display panel. The pixel structure includes a substrate, a first metallic layer, a first insulation layer and a transparent electrode layer; the first metallic layer is formed on the substrate, and includes patterns of gate lines; the first insulation layer is formed on the first metallic layer; the transparent electrode layer is formed on the first insulation layer; the transparent electrode layer includes first transparent electrodes; projections of the first transparent electrodes on the gate lines are positioned in local regions of the gate lines, i.e., parts corresponding to the gate lines, of the first transparent electrodes do not completely cover the gate lines. The liquid crystal display panel is a liquid crystal display screen having the pixel structure. The pixel structure can reduce the RC load of the gate lines, the voltage provided by the gate lines is more stable, and influence on the pixel charging rate is reduced. Influence of high-low potential generated by the powered-on gate lines on the transparent electrodes is reduced, lateral light leakage of the gate lines of the pixel structure is avoided, the aperture opening ratio of pixels is improved, and the display quality of the liquid crystal display screen having the pixel structure is improved.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Enema Kit Device

The invention relates to an enema member device and an enema method. A fecal storing bag is communicated with a buffer bag, an infusion tube guiding hole is formed in the back of the buffer bag, and a fistulation hole is formed in the front of the buffer bag; one end of an infusion tube penetrates through the infusion tube guiding hole in the back of the buffer bag to extend out from the fistulation hole, and an air sac sleeve is arranged on the outer wall of the infusion tube extending out of the fistulation hole; a double-side adhesion ring is sleeved with the heel of the air sac sleeve, one side of the double-side adhesion ring is stuck to the fistulation hole in the buffer bag or skin all around an anus, and the other end of the infusion tube is a liquid inlet. The enema member device has the advantages that firstly, the fistulation hole in the buffer bag is in seal combination with the stoma of the skin of a human body or the anus, so that excrement and urine in returned liquid with pressure after enema can be effectively controlled and collected, and the phenomena that the excrement and urine and soiling solutions thereof are leaked and are splashed from the side surface are avoided; secondly, the device has a simple structure, low cost and lighter weight; thirdly, the device is convenient to carry for a patient; fourthly, the device has the function of enema, and has the functions of receiving and storing enema excrement and the effect of drug treatment.
Owner:杭州倍麦科技有限公司

Enema member device and enema method

The invention relates to an enema member device and an enema method. A fecal storing bag is communicated with a buffer bag, an infusion tube guiding hole is formed in the back of the buffer bag, and a fistulation hole is formed in the front of the buffer bag; one end of an infusion tube penetrates through the infusion tube guiding hole in the back of the buffer bag to extend out from the fistulation hole, and an air sac sleeve is arranged on the outer wall of the infusion tube extending out of the fistulation hole; a double-side adhesion ring is sleeved with the heel of the air sac sleeve, one side of the double-side adhesion ring is stuck to the fistulation hole in the buffer bag or skin all around an anus, and the other end of the infusion tube is a liquid inlet. The enema member device has the advantages that firstly, the fistulation hole in the buffer bag is in seal combination with the stoma of the skin of a human body or the anus, so that excrement and urine in returned liquid with pressure after enema can be effectively controlled and collected, and the phenomena that the excrement and urine and soiling solutions thereof are leaked and are splashed from the side surface are avoided; secondly, the device has a simple structure, low cost and lighter weight; thirdly, the device is convenient to carry for a patient; fourthly, the device has the function of enema, and has the functions of receiving and storing enema excrement and the effect of drug treatment.
Owner:杭州倍麦科技有限公司

An array type heat exchange tube wall thickness on-line ultrasonic monitoring device

The invention discloses an array type heat exchange tube wall thickness online ultrasonic monitoring device, relates to the technical field of online measurement of the wall thickness of a heat exchange tube of a radiator, and solves the problem that the existing liquid-cooling small-radius pipeline wall thickness detection adopts manual detection, and the labor intensity is high, the efficiency is low, the environment is wet and hot, the precision is low, and the information management and maintenance are not facilitated. The array type heat exchange tube wall thickness online ultrasonic monitoring device comprises an ultrasonic thickness measurement device, a fastening position assembly and an automatic coupling agent circulation assembly, wherein the fastening position assembly enablesa probe to be in close contact with a heat exchange tube; the automatic coupling agent circulation assembly ensures that the air between the probe and the heat exchange tube is emptied, and corrosionto the heat exchange tube is reduced to the maximum extent; the probe of the ultrasonic thickness measurement device is a high-frequency probe, and can continuously send out and receive ultrasonic waves; the measuring method adopts the principle of a pulse echo method, the measured data is returned to an external host to be monitored in real time, and the external host processes the data. The device is used for online ultrasonic monitoring of the wall thickness of the heat exchange tube.
Owner:陈亚林

Leak-proof straw

A leak-proof straw mainly comprises a pipe body, the lower end of the pipe body is inserted into a milk box, a suction opening corresponding to the pipe body is formed in the upper end of the milk box, a vertical inner ring plate is connected with the upper end of the suction opening in the circumferential direction in a sleeving mode, the inner ring plate is fixed to the milk box and sleeved withan outer ring plate. An opening gap is reserved between the outer ring plate and the inner ring plate, the outer ring plate is connected with the circumference at the upper end of the inner ring plate through an annular slide-in ring plate, a screw cap is connected with the outer end of the outer ring plate, the pipe body is sleeved with a rubber sleeve, and the lower end of the rubber sleeve isfixed to the screw cap. In use, the pipe body is sleeved with the screw cap and the rubber sleeve, the lower end of the pipe body is inserted into the milk box from the suction opening, the pipe bodyis convenient inserted into the milk box due to the arrangement of the annular slide-in ring plate, the pipe body continues to move downwards, then the outer ring plate is sleeved with the screw cap,the screw cap is screwed, so that the screw cap is tightly squeezed on the pipe body under the elastic force of the rubber sleeve, and when the milk box is squeezed, the side leakage phenomenon of milk cannot occur.
Owner:刘乐凝

Paper diaper absorption core body and preparation method thereof

The invention relates to a paper diaper absorption core body. The paper diaper absorption core body sequentially comprises a core body upper layer, a first macromolecule layer, fluffy cotton, a second macromolecule layer and a core body lower layer from top to bottom, and is characterized in that grooves without macromolecule absorption particles are formed in the first macromolecule layer and the second macromolecule layer correspondingly. The paper diaper absorption core body has the advantages of being high in instant absorption effect and capable of effectively preventing side leakage, the problems that an existing paper diaper absorption core body is prone to breakage, poor in diffusivity, prone to side leakage and the like are solved, the gel blocking phenomenon is reduced, and the utilization rate of the macromolecule absorption particles is increased. The invention further provides a preparation method of the paper diaper absorption core body.
Owner:北京纯粹主义科技有限公司

A medical waste transfer and dumping device

The invention relates to a medical waste transfer and dumping device, which includes a forklift and a support lifting mechanism: the mechanism includes a support frame connected to the bottom of the two forklift inserts and vertical lifting guide rails symmetrically arranged on both sides of the front end of the support frame, and through The first transmission assembly is slidingly connected to the lifting platform of the two lifting guide rails; and the handling and dumping mechanism: the mechanism includes a second transmission assembly arranged on the front side of the lower surface of the lifting platform and a transmission connection on both sides of the front end of the second transmission assembly. The clamping assembly, and the third transmission assembly arranged on the front side of the upper surface of the lifting platform, and the inner sides of the clamping assembly are respectively provided with mutually symmetrical overturning assemblies, and the third transmission assembly passes through the clamping assembly and the overturning assembly respectively. Drive connection. The device can transport the medical waste bins to the designated place for dumping, which can greatly reduce the labor intensity of personnel, improve work efficiency, and effectively avoid direct contact between cleaning personnel and medical waste, ensuring the health and safety of cleaning personnel.
Owner:YANSHAN UNIV

Excrement drainage device

InactiveCN108744085AAvoid ischemic necrosisAvoid damageBalloon catheterMulti-lumen catheterFecesEngineering
The invention discloses an excrement drainage device and belongs to the field of medical nursing apparatus. The excrement drainage device comprises a drainage hose, inflated balloons, balloon inflating one-way valves and an excrement collection bag, and is characterized in that the drainage hose is made of silica gel, elastic reinforcing rings are respectively mounted at the top and the bottom ofan inner ring of each of the inflated balloons, so that the drainage hose is kept open to guarantee smooth defecation; according to usage time and difference in placed positions of the balloons, the excrement drainage device can be of a structure with double inflated balloons or of a structure with a single inflated balloon; the excrement collection bag is provided with a tubular excrement sampling scoop and a sealing sleeve.
Owner:江苏康百年医疗科技有限公司

Processing method of anticancer blood-circulation activating and mass disintegrating ointment

The invention relates to the field of medicine, and in particular relates to a processing method of an anticancer blood-circulation activating and mass disintegrating ointment. The formula of 100 mass disintegrating pastes comprises the following components: 15-20g of short-pedicel aconite root, 15-25g of pyrolusite, 15-25g of Yunan panax notoginseng, 10-15g of unprocessed radix aconiti, 10-15g of raw kusnezoff monkshood root, 8-10g of angelica, 5-10g of chuanxiong rhizome, 8-10g of clematis root and 8-10g of safflower, which are weighed according to the formula, crushed by a machine and then processed into an ointment for external use. In combination with a transdermal therapy and a channels-collaterals therapy, the ointment is externally pasted on focuses and points to internally treat difficult miscellaneous diseases including tumor, rachitis, osteonecrosis and the like, and accords with the modern direction for safely and effectively treating tumor, rachitis and osteonecrosis. The processing method is scientific, advanced and practical.
Owner:盛翔

A liquid metal with anti-melting properties for heat dissipation at 54-61°C

The invention discloses liquid metal with the anti-fusion feature and for under the temperature of 54-61 DEG C. The metal is composed of, by weight, 4-28% of Sb, 1-10% of Bi, 1-30% of Sn, 0.2-0.4% of Ag, 2-3% of Zn, 0.2-6% of La and the balance In. Within the range of the temperature 54-61 DEG C, the liquid metal is in a solid-liquid state and has enough viscosity. When the temperature is higher than 62-64 DEG C, the anti-fusion phenomenon occurs due to the fact that the content of a solid phase is increased, and thus solidification is generated. Based on the effect that the heat transfer property and thermodynamic property of liquid metal for an existing computer chip with the temperature being about 59 DEG C are ensured, the feature of multi-phase alloy generating anti-fusion behaviors after the temperature is increased again is introduced to liquid metal design, and the range of alloy components suitable for heat dissipation within the range of 54-61 DEG C is appointed. After the temperature is higher than 62-64 DEG C, the liquid metal conducts the anti-fusion behaviors due to the fact that the content of the solid phase is increased. Therefore, it is ensured that the liquid metal cannot laterally leak in the using process of the computer chip, and thus safety of heat dissipation is improved.
Owner:NINGBO SYRNMA METAL MATERIALS CO LTD

A component that automatically detects the fluidity of rubber

A component for automatically detecting the fluidity of rubber materials, including: a test belt conveying device, a punch, a centering mechanism, a constant temperature test cavity, an automatic sample delivery device, an automatic sample delivery device installed above the constant temperature test cavity, and an automatic sample delivery device The conveyor belt is provided with a magnetic ring for probe induction, the upper surface of the test belt of the automatic sample delivery device is provided with a sample, the upper side of the constant temperature test cavity is equipped with a centering mechanism, and the upper end of the material sample is provided with a Test belt conveying device; there is a punch above the test belt conveying device, and an induction probe is installed at the bottom of the punch. When the sample reaches the test position, the induction probe senses the magnetic ring on the conveyor belt of the automatic sample conveying device, and the The electric cylinder, servo motor and weighing sensor jointly control the positioning of the pre-compression and heat preservation position of the sample and the test action of constant pressure or constant speed. The actions of the test belt conveying device and the automatic sample conveying device are controlled by PLC in real time.
Owner:QINGDAO LIHE CHEM TECH

A kind of anti-side leakage degradable polylactic acid sanitary napkin and preparation method thereof

The invention provides an anti-side leakage sanitary napkin, which includes a surface non-woven fabric and a bottom impermeable membrane disposed from the inside out. The surface non-woven fabric has a three-piece structure, the intermediate piece of surface non-woven fabric and the two-wing surface non-woven fabrics are sticked together, and the space between the intermediate piece of surface non-woven fabric and the bottom impermeable membrane is filled with a toilet paper coated wood pulp cellulose absorption core. The surface of the sanitary napkin provided by the invention is composed of 100% polylactic acid fiber or PLA / PBHV fiber hot blast nonwoven fabric. The polylactic acid fiber retains the original characteristics and does not cause any damage. As polylactic acid is formed by polymerization of lactic acid molecules as monomers and spinning, polylactic acid molecules with short molecular chains possibly exist on the fiber surface, so that the pH value of a polylactic acid non-woven fabric surface shows weak acidity and is consistent with that of human body skin. Also an odor removal function is provided. The lateral two pieces of non-woven fabrics have greater gram weight and thickness than the intermediate piece, and side leakage cannot be caused.
Owner:马鞍山同杰良生物材料有限公司

Filter for filtering synthetic produced liquid in production process of dimethylformamide and filtering method thereof

The invention relates to a filter for filtering synthetic produced liquid in the production process of dimethylformamide, comprising a filter cylinder body (1), a filter head cover (13), a synthetic produced liquid input pipe (2) and a synthetic produced liquid output pipe (3), wherein the bottom of the filter cylinder body (1) is provided with a settling chamber (4); the settling chamber (4) is connected with the synthetic produced liquid input pipe (2); the bottom end of the settling chamber (4) is provided with a sediment discharge valve (5); the filter cylinder body (1) is internally provided with more than one vertically placed filtering pipe (6); the lower end of the filtering pipe (6) is a filter pipe outlet end (8); the filter pipe outlet end (8) is connected with a collector (9);and the synthetic produced liquid output pipe (3) is connected with the collector (9). The invention can not generate lateral leakage and enhances the filtering effect because the bottom of the filter cylinder body (1) is provided with the settling chamber (4); and in addition, the invention increases the pressure of the inlet end of the filtering pipe (6) during filtration, thereby enhancing thework efficiency of the filter.
Owner:ANHUI HUAIHUA

A sealing protection device for transmission shaft roller products

The invention relates to a sealing protection device for transmission shaft roller products. The two ends of a transmission shaft are each provided with one sealing protection device. The sealing protection device comprises close-fitting sealing rubber rings, a slotting liquid partition plate and a sealing baffle. The end of the transmission shaft is sleeved with one close-fitting sealing rubber ring, the slotting liquid partition plate, the other close-fitting sealing rubber ring and the sealing baffle in sequence from interior to exterior. The sealing baffle and a rack wallboard are welded through a plastic welding gun. The two close-fit sealing rubber rings, the slotting liquid partition plate and the sealing baffle are adopted for forming four layers of sealing protection, the PVC plastic welding technology is adopted, operation is easy, the adopted material has the advantages of being low in cost and good in antiseptic effect, transmission of the transmission shaft is not affected, liquid cannot be leaked from the side edge, assembling and disassembling are convenient, the overall structure will not be affected, and application and popularization are convenient.
Owner:江苏鑫玛斯机械科技有限公司

Polylactic acid fiber and application thereof in adult incontinence nursing pad

The invention discloses a polylactic acid fiber and an application thereof in an adult incontinence nursing pad, and belongs to the technical field of hygienic materials. The polylactic acid fiber is specifically prepared by the steps: firstly, using dibenzoyl tartaric acid and 4-(2,3-epoxypropoxy)indole for modifying chitosan to obtain a chitosan derivative; blending and modifying polylactic acid by utilizing chitosan to prepare the polylactic acid fiber; and finally, mixing, opening, feeding cotton, carding, directly forming a net, hot-rolling and reinforcing to prepare a non-woven fabric material. The non-woven fabric material is used as a surface layer of the adult incontinence nursing pad, has the advantages of high strength, good toughness, high moisture permeability, soft hand feeling, fluffiness and air permeability, is high in degradation rate, and reduces pollution to environmental resources.
Owner:千芝雅(湖北)卫生用品有限公司

Three-dimensional punching equipment for disposable hygienic material and punching method thereof

The invention relates to three-dimensional punching equipment for a disposable hygienic material and a punching method thereof. An air-draft shaping roll, a concave punching roll and a pull roll are arranged on the horizontal straight line; a convex punching roll and the concave punching roll are matched, and the convex punching roll is arranged on the concave punching roll; electrical heated tubes are respectively arranged in the convex punching roll, the concave punching roll and the pull roll and are electrified by a conductive slip ring on the end part of the electrical heated tube; a plate-type thermocouple is respectively positioned in the concave punching roll, the concave punching roll and the pull roll and is electrified by a conductive ring; and the electrical heated tube is controlled by a PLC (programmable logic controller) to work. The three-dimensional punching equipment has the advantages that a flat nonwoven raw material is pressed into a three-dimensional trepanning product with double faces; the thickness of the nonwoven raw material is increased to 20-30 times after the nonwoven raw material is punched and stretched; the surface of a hygienic product carries outpunctuate contact with the skin of a human body; a shaped three-dimensional trepanning liquid storage tank can store a great quantity of menstruation liquid and urea liquid without lateral leakage, so that the skin of the human body still keeps dry and comfortable; and the comfort degree of the product is greatly improved.
Owner:郯城县港丰合线厂

A three-phase permanent magnet synchronous motor for injection molding

The invention discloses a three-phase permanent magnet synchronous motor for injection molding. According to the three-phase permanent magnet synchronous motor, a permanent magnet is installed in a rotor and squirrel cage guide bar, end ring, fan blade and balance column structures are designed for asynchronous starting, control drive devices such as a frequency converter do not need to be added,a traditional three-phase asynchronous motor of the same specification can completely replaced, and the problem of low efficiency of an injection molding machine during a whole operating period, especially during light load and no-load operation are solved; and meanwhile, the three-phase permanent magnet synchronous motor adopts the measures that single-and-double-layer unequal-turn low harmonic windings are adopted to greatly reduce the high harmonic content except tooth harmonic, the tooth harmonic is reduced by being matched with a skewed stator slot and an air gap between a stator and a rotor is appropriately increased to further eliminate the unilateral magnetic tension noise caused by the decentraction of the stator and the rotor, so that the motor has low noise throughout the operating period, and especially eliminates the harsh electromagnetic noise during overload, and the motor noise is lower than the Chinese national standard requirements of 5-10dB (A).
Owner:浙江创新电机有限公司

Filter for filtering synthetic produced liquid in production process of dimethylformamide and filtering method thereof

The invention relates to a filter for filtering synthetic produced liquid in the production process of dimethylformamide, comprising a filter cylinder body (1), a filter head cover (13), a synthetic produced liquid input pipe (2) and a synthetic produced liquid output pipe (3), wherein the bottom of the filter cylinder body (1) is provided with a settling chamber (4); the settling chamber (4) is connected with the synthetic produced liquid input pipe (2); the bottom end of the settling chamber (4) is provided with a sediment discharge valve (5); the filter cylinder body (1) is internally provided with more than one vertically placed filtering pipe (6); the lower end of the filtering pipe (6) is a filter pipe outlet end (8); the filter pipe outlet end (8) is connected with a collector (9); and the synthetic produced liquid output pipe (3) is connected with the collector (9). The invention can not generate lateral leakage and enhances the filtering effect because the bottom of the filter cylinder body (1) is provided with the settling chamber (4); and in addition, the invention increases the pressure of the inlet end of the filtering pipe (6) during filtration, thereby enhancing the work efficiency of the filter.
Owner:ANHUI HUAIHUA
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