63 results about "Moisture transfer" patented technology

The invention provides a tobacco leaf drying kinetic model-based baking process parameter optimization method, and belongs to the technical field of electrical digital data process.The tobacco leaf drying kinetic model-based baking process parameter optimization method comprises the following steps of: firstly, establishing a tobacco leaf drying differential equation model and a curing barn computational fluid mechanics model; temperature and humidity field distribution is obtained through simulation analysis; calculating a tobacco leaf surface heat and mass transfer coefficient, and establishing a moisture migration prediction function; a moisture transfer optimization function is introduced to perform parameter preliminary screening, and a pre-trained quality evaluation neural network model is adopted to evaluate a parameter scheme; respectively optimizing three stages of a yellowing stage, a color fixing stage and a stem drying stage to form a parameter set; and finally, an optimal parameter combination is searched by applying a genetic algorithm, an optimization target is a comprehensive score of tobacco leaf quality consistency and energy consumption, real-time optimization of parameters in the baking process is realized, and the technical problem that tobacco leaf baking process parameters are difficult to accurately optimize aiming at different tobacco leaf characteristics in the prior art is solved.

The invention relates to a tea leaf fermentation device which comprises a fermentation box, and a fermentation cylinder driven by a driving motor is arranged in the fermentation box; the volume of the tea is smaller than half of that of the fermentation cylinder; a plurality of channels are arranged in the fermentation cylinder, and tea leaves flow from one end of each channel to the other end; the channel is in a bent shape, and tea leaves make contact with each inclined lower side face of the channel when falling down. The driving motor intermittently and circularly drives the fermentation cylinder to rotate by 180 degrees, so that the upper end and the lower end of the channel are switched; by arranging the closed fermentation cylinder internally provided with the bent channel and adopting an intermittent circulating rotation mode, tea leaves periodically flow from one end to the other end along the channel in the fermentation process. Due to the design of the bent channels, the tea leaves are in repeated contact with the inclined side surfaces in the falling process, the tea leaf stacking state is effectively broken, sufficient replacement of the tea leaves on the inner layer and the outer layer is promoted, and therefore the transfer efficiency of heat and moisture between the tea leaves is greatly improved, and the overall uniformity of the fermentation environment is improved.

The application discloses a clothes care cabinet, which comprises a care cabinet shell, a care chamber, a dehumidification chamber arranged in the care chamber and used for dehumidifying the care chamber, a first channel, a second channel, a moisture transfer member arranged in the dehumidification chamber and used for absorbing moisture in the dehumidification chamber and guiding dry air into the care chamber, and the moisture transfer member has an adsorption area communicated with an air inlet of the second channel and a desorption area used for discharging moisture adsorbed in the adsorption area. The clothes care cabinet is provided with the dehumidification chamber, the dehumidification module is integrated in the dehumidification chamber, the application space of the clothes treatment cabinet is improved, the power of the equipment is reduced, and energy is saved. In addition, the dehumidification is concentratedly treated, the efficiency of the clothes care cabinet is improved, and the production cost is saved.

The invention discloses a steel reinforced concrete shrinkage deformation calculation method based on the hindering effect of profile steel on concrete humidity transfer, and belongs to the technical field of concrete. In order to solve the problem that the contraction deformation of the steel reinforced concrete cannot be accurately predicted in the prior art, the invention provides an improved calculation method for the contraction deformation of the steel reinforced concrete. And performing shrinkage weighting on the section steel and non-section steel areas to obtain the overall shrinkage deformation of the steel reinforced concrete. According to the method, the influence area is divided, the shrinkage model is corrected through the shortest moisture transfer path, the profile steel inhibition coefficient is proposed to quantitatively describe the profile steel limiting effect, and accurate prediction of shrinkage of concrete in different profile steel forms is achieved. The method is suitable for the engineering fields of high-rise buildings, large-span structures and the like adopting steel reinforced concrete structures.

The utility model discloses a double -faced PVC artificial leather, this double -faced PVC artificial leather includes: intermediate moisture transfer layer, first surface layer and second surface layer, first surface layer sets up in one side surface of intermediate moisture transfer layer, and second surface layer is opposite first surface layer and sets up in the other side surface of intermediate moisture transfer layer, the surface of intermediate moisture transfer layer is provided with the Y type groove of uniform direction arrangement and intercommunication, forms the moisture transfer channel, and first surface layer is provided with the micropore structure of dense arrangement, second surface layer sets up as porous structure layer, and, based on the internal aperture of second surface layer, the one side of second surface layer towards intermediate moisture transfer layer sets up as first gradient area, and the one side of second surface layer away from intermediate moisture transfer layer sets up as second gradient area, to make second surface layer whole formation aperture gradient structure. Double -faced PVC artificial leather is through the Y type groove of uniform direction arrangement and intercommunication and is provided with in intermediate moisture transfer layer surface, forms the moisture transfer channel, to accelerate moisture and airflow conduction through capillary effect.

This article relates to a bath mat. The bath mat of this article is a rectangular sheet-like body as shown in the front view, rear view, right side view, left side view, top view, and bottom view. Its vertical dimension is approximately 45 centimeters, and its horizontal dimension is approximately 59 centimeters. And the thickness is about 1.5 millimeters, which is an extremely thin form compared to a general bath mat. This thin form appears in the right side view, left side view, top view, and bottom view. The fact that the thickness is extremely thin compared to the vertical and horizontal dimensions is prominently shown in the reference three-dimensional view for representing the thickness of this article and the enlarged view of the C-D reference part. The bath mat of this article is a laminate of a polyester pile fabric, a cotton fabric, and a laminated resin layer. The polyester pile fabric is in the form of a pile using polyester texturized yarn as shown in the front view and the enlarged view of the A-A part, and forms the front side of the bath mat of this article. The laminated resin layer is made of polyurethane resin and has a smooth form as shown in the rear view and the enlarged view of the B-B part, and forms the back side of the bath mat of this article. The bath mat of this article receives water droplets and the like from the human body during use, and these water droplets and the like penetrate through the polyester pile fabric on the front side and reach the cotton fabric under the polyester pile fabric. The cotton fabric quickly absorbs moisture by capillary action and diffuses the absorbed moisture in the surface direction. For this reason, the front side has quick-drying properties. The laminated resin layer on the back side exhibits a waterproof function so that the moisture diffused by the cotton fabric does not transfer to the floor surface. As a result, the bath mat of this article, as described above, although its thickness is about 1.5 millimeters and is extremely thin compared to a general bath mat, fully performs the function of a bath mat.

The invention discloses a composite polyamide protective fabric and a preparation method thereof. The polyamide protective fabric comprises a protective layer, a moisture transfer layer and a moisture absorption breathable layer which are sequentially arranged from outside to inside, the protective layer is formed by fasciated yarns, the aramid fiber filaments are core yarns, and the long carbon chain polyamide filaments are outer-layer fasciated yarns; the long carbon chain polyamide filaments are pre-oriented polyamide fibers containing gamma crystal forms; the moisture-absorbing breathable layer is formed by yarns made of cotton, hemp and polyester fibers; the moisture transfer layer is formed from long carbon chain polyamide filaments having a continuously helically deformed profiled cross-sectional structure. The protective layer is formed by wrapping long carbon chain polyamide filaments outside aramid filaments, and the long carbon chain polyamide filaments contain gamma crystal forms, so that the fastness and wearing comfort of the fabric are both considered, the moisture absorption and ventilation layer has sweat guiding and ventilation effects, moisture can be more effectively conducted to the outer side through the moisture transfer layer, and the moisture absorption and ventilation effects are improved. The wearing comfort of the protective fabric is further improved.

The present application relates to a kind of multilayer knitted fabric with lasting cool feeling and its preparation method, and the knitted fabric includes three-layer structure from top to bottom in turn: upper surface layer, connecting layer and lower surface layer, upper surface layer is formed by the continuous knitting mode of yarn a and yarn b in each course alternately spaced loop, connecting layer is formed by the alternate tuck knitting of yarn b between upper surface layer and lower surface layer, lower surface layer is formed by the continuous knitting mode of yarn a and yarn b in each course alternately spaced loop, the porosity between the yarn of upper surface layer is lower than the porosity between the yarn of lower surface layer, the yarn tension of yarn a of upper surface layer, lower surface layer is all less than the yarn tension of yarn b, and the loop height formed by yarn a is higher than the loop height formed by yarn b.The present application is simple, easy to operate, and the multilayer knitted fabric formed by knitting has good contact instantaneous cool feeling, no stuffy feeling, sweat evaporation heat dissipation speed is fast, and the effect of moisture absorption and moisture transfer is good.

The present application relates to a kind of functional tubular composite fabrics of heat and moisture transfer, including the core layer of high modulus and heat insulation by high modulus heat insulation rigid composite material and heat insulation thermal cotton;Highly elastic cladding layer is formed by continuous silica gel, spiral structure yarn that can be filled with liquid and gas;Transport layer of liquid is formed by waterproof and moisture-permeable porous membrane that is engraved with micropore on surface, water delivery hose, heat conducting film, heating wire;Waterproof and moisture-permeable skin layer is formed by elastic woven fabric layer, hydrophobic porous film layer and porous nonwoven fabric layer.The tubular composite fabric of the present application can be used to make warm body dummy artificial limb, such as warm body dummy arm, warm body dummy leg, etc., simple to make, when used as warm body dummy artificial limb, it is more convenient to test by partition, can be used for silk stockings, jumpsuit, socks, gloves, ice sleeve and other clothing comfort test.

The utility model discloses an internal circulation type clothes drying device and relates to the technical field of drying, an inner barrel is arranged in an outer barrel in a suspended mode, the top and the bottom of the inner barrel are each of an open structure, a bearing part for bearing clothes is arranged in the inner barrel, and a fan is arranged in the inner barrel and is close to the bottom of the inner barrel; the moisture absorption part is arranged around the periphery of the inner barrel by a circle, the edge of the moisture absorption part abuts against the inner wall of the outer barrel, moisture absorption materials are contained in the moisture absorption part, and a plurality of through holes are formed in the moisture absorption part. Air is pushed by the fan to move upwards from the bottom of the inner barrel body, moisture in wet objects is taken away to become wet air, the wet air rises to the top of the outer barrel body, then disperses and sinks towards the periphery, moisture absorption is conducted through the moisture absorption component to become dry air, then the air is pushed upwards by the fan, and the moisture in the wet objects is transferred in a circulating mode to achieve drying of clothes. A closed space air internal circulation mode can prevent the drying effect from being influenced by regions and climate; low energy consumption of clothes drying can be achieved without heating, and the risk of clothes damage is reduced.

The invention relates to a dynamic heat and humidity comfort measuring device and method. The measuring device comprises a bionic trunk system, a driving system and a temperature and humidity control monitoring system. The bionic trunk system is of a multi-layer sleeve type coating structure and is used for simulating the dynamic sweating and heat supply process of a human body; the driving system is used for providing motion power for the bionic trunk system; and the temperature and humidity control monitoring system is used for detecting and feeding back temperature and humidity, air pressure, heat flow and pressure parameters of the bionic trunk system. Through the combined design of the bionic trunk system, the driving system and the temperature and humidity control monitoring system, the testing device which can simulate the dynamic movement of a human body, integrate a bionic heat supply perspiration mechanism and accurately measure dynamic heat and humidity transfer parameters is formed; the thermal resistance Rct, the moisture resistance Ret and the pressure distribution uniformity index PDU, which are obtained by calculating the dynamic heat and moisture transfer parameters, can comprehensively and accurately reflect the heat and moisture transfer performance of the fabric under the actual dynamic wearing condition.

The application discloses a human body dressing recommendation method based on environment temperature, comprising the following steps: S1, a human body physiological heat regulation mathematical model is established, a human body active regulation and passive regulation heat transfer process under different indoor and outdoor environments is simulated, and human body heat feeling change rules under different indoor and outdoor environments are revealed; S2, a clothing porous medium heat and mass transfer mechanism and an air layer distribution rule under clothes are analyzed, a clothing and air layer heat and moisture transfer coupling model is established, a human body skin surface heat and moisture transfer boundary condition is constructed, and a human body heat and moisture transfer mechanism under different indoor and outdoor environments is revealed; S3, finite difference method is used for discrete solution of the above numerical model, and the established numerical model is verified and optimized; and S4, a clothing basic style visual database is established in combination with the human body heat transfer model. The application provides the human body dressing recommendation method based on the environment temperature, and provides more scientific decision for clothing collocation of consumers under different environments.

The utility model relates to the technical field of textile, in particular to a multilayer jacquard pure cotton fabric which comprises a surface layer and an inner layer which are sequentially arranged from outside to inside, a hollow layer is formed between the surface layer and the inner layer, the surface layer is provided with protruding layers, first air holes are formed between every two adjacent protruding layers, and second air holes are formed between every two adjacent protruding layers. Air holes II are formed in the inner layer; the connecting tissue penetrates through the hollow layer and is connected to the convex layer and the inner layer respectively; the tuck stitch is arranged on the hollow layer and used for supporting the hollow layer. The space between the surface layer and the inner layer is supported through the tuck stitch to form the hollow layer, the inner layer can absorb sweat on the skin surface more rapidly through rapid moisture conduction of the connecting tissue, and the sweat is rapidly diffused to the protruding layer through the connecting tissue; a plurality of small air passages are formed among the first air holes, the second air holes and the tuck stitches, so that air can quickly flow in the hollow layer, and a wearer can feel a stronger cool feeling.

According to an example aspect of the present invention, there is provided a composite membrane for moisture transport, and a method for producing such, wherein the composite membrane comprises a layered structure of at least one porous base layer and a functional layer, and has high moisture transfer rate and low air permeance.

The invention discloses a multi-class meteorological year synthesis and verification method suitable for building heat and humidity transfer analysis. The method comprises the steps that historical meteorological year data and meteorological year synthesis judgment indexes are acquired; taking a month as a time scale, and drawing hourly I value probability accumulation curves of each historical meteorological year in a certain month one by one; combining the hourly I values of all historical years in the month, and drawing a probability accumulation curve; for extreme meteorological years, screening curves conforming to characteristics, and marking the curves as extreme months; for a typical meteorological year, screening a curve with the highest coincidence degree with the curve L, and marking the curve as a typical month; connecting the meteorological parameters corresponding to the typical months and the extreme months according to a month sequence to obtain a typical meteorological year and an extreme meteorological year; and verifying whether the meteorological year obtained by synthesis has corresponding characteristics through a wet balance coefficient and a parameter full-year curve graph. The meteorological years synthesized and verified by the method have representativeness and typicality, so that typical characteristics of different types of meteorological years are fully reflected in building heat and humidity transfer analysis.

The invention discloses a prediction method for a passive humidity control effect of an urban underground space, a medium and a program product. The prediction method comprises the following steps: acquiring a pre-constructed humidity control material heat and humidity dynamic transfer calculation model; obtaining a pre-constructed underground soil dynamic heat transfer calculation model and an underground space indoor heat and humidity balance calculation model; and coupling the dynamic heat and humidity transfer calculation model of the humidity control material, the dynamic heat transfer calculation model of the underground soil and the indoor heat and humidity balance calculation model of the underground space, and predicting the passive humidity control effect of the urban underground space. According to the invention, the dynamic moisture absorption and desorption process of the moisture conditioning material in the actual underground engineering can be reflected more accurately.

This invention discloses a spiderweb-like multi-microporous waterproof and breathable coated fabric, its preparation method, and its application, belonging to the field of fabric finishing technology. The preparation of the spiderweb-like multi-microporous waterproof and breathable coated fabric involves immersing the fabric in a low surface energy polymer coating liquid; then transferring the immersed fabric to a constant temperature and humidity chamber for pore structure cultivation under the following conditions: relative humidity (RH) of 70%–99%, temperature of 15℃–50℃, and time of 0.5–5 hours; afterwards, the fabric is removed and allowed to dry at room temperature, thus obtaining the spiderweb-like multi-microporous waterproof and breathable coated fabric. The coated fabric obtained by this method has interconnected pores resembling a spiderweb morphology, with a large number of pores, enabling rapid moisture transfer and exhibiting high waterproofness, breathability, and air permeability. It is expected to meet the high protection and high comfort requirements of medical protective clothing, outdoor sports equipment, and wound dressings.

This invention discloses a protective mask with synergistic cooling functions of radiation and evaporation, and its preparation method. The mask consists of inner and outer functional support layers and a core filter layer. The inner and outer functional support layers are made of polylactic acid (PLA) spunbond nonwoven material and spunlace nonwoven material, respectively. The core filter layer is an electrospun Janus PLA micro / nanofiber membrane with unidirectional moisture-wicking function. The core filter layer is composed of a hydrophobic PLA fiber layer and a hydrophilic modified PLA@PEO fiber layer, forming an inner and outer hydrophobic gradient to achieve rapid unidirectional moisture transfer from the inside to the outside and moisture evaporation cooling. In addition, the protective mask utilizes the high infrared emissivity of PLA material and the strong solar reflection characteristics of the electrospun micro / nanofiber structure to achieve radiative cooling. This invention can achieve synergistic cooling effects of radiation and evaporation while ensuring high filtration efficiency and particulate matter protection, improving thermal and humidity comfort when wearing the protective mask for extended periods.

A humidifier for a fuel cell is configured to humidify dry air to be supplied to a fuel cell stack with wet air discharged from the fuel cell stack. The humidifier includes a housing provided such that the dry air and the wet air pass therethrough, a moisture transfer member provided in the housing to transfer moisture in the wet air to the dry air, a bypass flow path provided to guide a part of the dry air to bypass the housing, and a flow regulating valve provided to be driven using a pressure difference between the inside and outside of the housing as a power source to adjust a flow rate of the dry air passing through the bypass flow path.

The invention relates to a moisture content-driven building envelope heat and humidity distribution simulation and artificial intelligence prediction method, which comprises the following steps of: 1) obtaining basic data of a building envelope and collecting early-stage information, including parameters such as a construction drawing, building material heat and humidity physical properties and indoor and outdoor environments; 2) constructing a heat and moisture coupling transfer theoretical model based on moisture content driving potential, including establishment of a control equation, processing of a material interface and setting of boundary conditions; 3) performing numerical solution of the theoretical model based on a finite element method, and verifying precision and efficiency; 4) changing or combining the basic information of the building, carrying out multiple rounds of numerical solution, generating a large number of heat and humidity distribution nephograms, and taking the heat and humidity distribution nephograms as a training set; and 5) evaluating and applying the heat and humidity distribution of the building envelope based on the artificial intelligence model. According to the method, real-time prediction of heat and humidity distribution in the enclosure structure in the building operation stage is achieved, and technical support is provided for energy consumption optimization, humidity risk early warning and intelligent regulation and control.

A water-resistant, air-permeable multilayer material that allows moisture transfer to prevent moisture accumulation and maintains its resistance to liquid water penetration when the inner surface of the multilayer material is exposed to surface tension reducing substances, the multilayer material comprising: a flexible textile layer, and at least one ultra high molecular weight polyethylene (UHMWPE) porous film, the present invention relates to a porous membrane disposed to block liquid water permeation and permit moisture to permeate through the porous membrane having a moisture transmission rate of more than 4,000-20,000 g / m2 * 24 h and a front water inlet contact angle of more than 90 degrees. The porous membrane has a thickness from 5 microns to 500 microns, a porosity of at least 50%, and an average pore size of less than 1.0 microns. The porous film forms a barrier to prevent surface tension reducing substances from passing through and from entering the textile layer.

A multilayer knitted component is disclosed. The multi-layer knitted component includes a first side adapted to contact a skin surface of a user, the first side including a plurality of yarns of a first type and a plurality of yarns of a second type. The plurality of yarns of the first type in the first side are dominant than the plurality of yarns of the second type in the first side. Further, a second side opposite the first side, the second side comprising at least a portion of the plurality of yarns of the second type. Further, the first side of the multi-layer knitted component is knitted with the second side of the multi-layer knitted component to facilitate moisture transfer from the first side of the multi-layer knitted component to the second side of the multi-layer knitted component.

The utility model provides a temperature and humidity keeping device for a skid-mounted heat exchange system, and belongs to the field of skid-mounted energy supply and protection. The problems that the temperature span of a skid-mounted energy supply and protection system is large, the humidity and the temperature are difficult to control, and a hysteresis effect exists in mode switching of a traditional adjusting module are solved. The air box is provided with an air inlet and an air outlet, and an air outlet assembly capable of blowing hot air or cold air to the air outlet is arranged in the air inlet. The water tank is arranged below the air box and keeps communicating; the moisture transfer part, the first part and the second part are driven by the drying assembly to circularly exchange positions, the first part at least comprises two opposite faces, each face is provided with a plurality of open grooves, and the open grooves in the two adjacent faces are arranged in a staggered mode; the drying assembly is used for enabling water of the second part of the water transfer part to stay in the water tank; and the humidifying assembly is used for humidifying or spraying air to the second part of the water transfer part. The device is mainly used for adjusting the temperature and the humidity of the skid-mounted heat exchange system.

This application relates to a spunbond nonwoven fabric with a smooth feel and long-lasting unidirectional moisture wicking properties, and its preparation method. It belongs to the technical field of unidirectional moisture-wicking spunbond nonwoven fabrics. The fabric includes: a skin-adhering inner layer, an intermediate layer, and an evaporating outer layer. The skin-adhering inner layer comprises 98.5-99.8% matrix resin and 0.2-1.5% first masterbatch. The intermediate layer comprises 96-98.5% matrix resin, 0.5-1% second masterbatch, and 1-3% graft-modified resin. The total mass of the raw material components in the evaporating outer layer is 100%. The evaporating outer layer comprises 95-98% matrix resin and 2-5% second masterbatch. The first masterbatch is a fluorinated compound, and the second masterbatch is a mixture of nano-titanium dioxide and a polyoxyethylene-polypropylene-polyoxyethylene triblock copolymer. The graft-modified resin is a mixture of polyethylene grafted with maleic anhydride and an ionomer. The spunbond nonwoven fabric prepared by this application can simultaneously achieve smoothness, adhesion, and long-lasting unidirectional moisture wicking properties.

The invention relates to the technical field of underground space heat and humidity environments, in particular to an engineering calculation method for annual dynamic heat and humidity transfer quantity of underground space surrounding rock, which comprises the following steps of: establishing a surrounding rock heat and humidity coupling transfer mathematical model, solving the internal temperature and relative humidity of the surrounding rock at any moment, and dynamically calculating a surrounding rock heat and humidity coupling transfer process by taking a year as a unit; counting the annual average heat absorption capacity, heat release capacity, heat absorption time and heat release time of the surrounding rock wall surface; determining sensitive factors influencing the heat transfer capacity and the moisture transfer capacity of the surrounding rock; and by taking the sensitive factors of the heat transfer capacity and the moisture transfer capacity of the surrounding rock obtained by sensitivity analysis as independent variables, fitting calculation formulas of the annual average moisture absorption capacity, the moisture liberation capacity, the moisture absorption time and the moisture liberation time of the surrounding rock, and generating an annual dynamic load prediction result of the surrounding rock. The method solves the problem that current underground space surrounding rock heat transfer and heat transfer quantity engineering calculation is too rough, and meanwhile, compared with a traditional dynamic numerical calculation method, the calculation process can be simplified, and the calculation time can be shortened.

The utility model discloses an elastic quick-dry polyester fabric, which relates to the field of woven fabrics, and is characterized in that the elastic quick-dry polyester fabric comprises a base layer, the base layer comprises a first system and a second system, the first system is formed by weaving first warp yarns and first weft yarns, and the second system is formed by weaving second warp yarns and second weft yarns; the first system and the second system form double-layer weaves and surface and inner layer exchange weaves which are alternately arranged at intervals in the warp direction, and the first system and the second system are twill weaves on one side of the base layer. Moisture on the plain weave is transferred to the twill weave, due to the fact that the moisture is transferred in the same system through the surface and inner layer changing weave, the moisture transfer speed is improved by matching with the moisture transfer effect of the first warp yarn and the second warp yarn, and the special-shaped polyester fiber filaments form a plurality of moisture transfer grooves in the surface of the moisture transfer yarn, so that the moisture transfer effect is improved. And the cellulose acetate fibers have the characteristic of fast moisture absorption and dissipation, so that the moisture dissipation speed of the quick-dry yarn is increased.

The invention discloses a multi-layer co-extrusion cast film with a one-way moisture guiding function and a preparation method of the multi-layer co-extrusion cast film, and belongs to the technical field of layered film materials, the key point of the technical scheme is that the multi-layer co-extrusion cast film is composed of an outer hydrophilic layer, a middle transition layer and an inner hydrophobic layer, and the pore diameters of the outer hydrophilic layer, the middle transition layer and the inner hydrophobic layer are sequentially decreased from the outer layer to the inner layer, the inner-layer mixture is prepared from LDPE, LLDPE, modified calcium carbonate, nano calcium carbonate and a processing aid; the middle layer mixture is HDPE, POE and modified calcium carbonate, the outer layer mixture is mLLDPE, PP, PEG, modified calcium carbonate and an anti-blocking agent, the three kinds of mixtures are fed into three different feeding ports respectively, and the multi-layer co-extrusion cast film with the one-way moisture guiding function is obtained through extrusion of an extruder, stretching, cooling, aftertreatment or functionalization. A hydrophobic-hydrophilic wet gradient and a pore diameter gradient are constructed through a multi-layer co-extrusion method, the process is simple, and excellent moisture transfer rate and durability are achieved.

This invention discloses a cooling, fluorine-free, one-way moisture-wicking finishing process for woven fabrics, belonging to the field of one-way moisture-wicking technology for fabrics. The technical solution involves dyeing or whitening the pre-treated woven fabric, followed by printing, baking, stretching, and pre-shrinking to obtain the finished product. The working solution for the printing process includes the following additives by weight percentage: 10-15% fluorine-free waterproofing agent ZELAN R3, 1-1.5% waterproof crosslinking agent, 2-4% thickener, with the balance being softened water. The stretching process uses: 30-50 g / L of functional additive HSD, 20-30 g / L of functional additive HeiQ Adaptive AC-06, a drying oven temperature of 130-140℃, and a baking time of 24-40 seconds. This invention uses the fluorine-free waterproofing agent ZELAN R3 instead of fluorine-containing waterproofing agents, meeting the requirements of environmental protection, green health, and sustainable development.

A package (10) for arranging a plurality of smoking articles is disclosed. The package includes a substantially cubic pouch (32) having a front major portion (110), a rear major portion (112), a top minor portion (114), a bottom minor portion (116), a first side portion (118), and a second side portion (120). The pouch is made of a material configured and sealed to prevent moisture transfer into and out of the pouch. The pouch is formed from a wrapper (122) that is folded and sealed at the front major portion along a lap seal (48) between an overlap portion (34) and an underlap portion (36) of the wrapper, the lap seal extending across the width of the front major portion. An edge region (37) of the overlap portion is configured to be pulled so that the lap seal ruptures along at least a portion of the width of the front major portion, thereby opening the pouch.

A package (10) for sorting a plurality of smoking articles is disclosed. The package comprises a substantially cubic pouch (32), the pouch comprising: a front main portion (110); a rear main portion (112); a top secondary portion (114); a bottom secondary portion (116); a first side portion (118); and a second side portion (120). The pouch is made of a material configured and sealed to prevent transfer of moisture into and out of the pouch. The pouch is formed from a wrap (122) that is folded and sealed along a lap seal (48) between an upper lap section (34) and a lower lap section (36) of the wrap at the front main portion that extends across a width of the front main portion. An edge region (37) of the upper lap section is configured to be pulled such that the lap seal breaks open along at least a portion of the width of the front main portion, thereby opening the pouch.