1235results about "Cellulosic plastic layered products" patented technology

The invention discloses a hydrophobic-hydrophilic Janus water collecting film and an efficient preparation method thereof, and belongs to the field of water collecting materials. An electrostatic spinning process is adopted, and a hydrophobic polymer is accurately deposited on the surface of a hydrophilic substrate in the form of a nanofiber array, so that the Janus composite membrane with an asymmetric wetting gradient structure is successfully constructed. The unique double-sided wettability difference drives the liquid drops to realize directional transmission, and the core mechanism of the liquid drops is derived from capillary force regulation and control caused by interfacial wetting potential energy difference. The Janus membrane shows excellent performance in the aspect of air moisture trapping, the ultra-fast moisture absorption characteristic and the surface regeneration capacity are achieved, and compared with a traditional single-layer hydrophilic membrane, the water collecting efficiency is remarkably improved by 110%. A one-step forming process is adopted for preparation, the diameter of the nanofibers is controllable, complex post-treatment procedures are not needed, and energy consumption required by equipment is low. The high-performance water collecting film has important application value in the fields of atmospheric water taking in arid regions, dehumidification of precise instruments and the like.

The present invention relates to a nail sticker which is curable by ultraviolet ray and the lower surface of the nail sticker before being cured by the ultraviolet ray includes a curved surface that the center of the nail sticker is upwardly curved.

The invention relates to the field of cooling of human body protective clothing, in particular to a cooling fabric based on phase change microcapsules. The cooling fabric comprises a polyester fiber layer, a phase change microcapsule layer and a PTFE waterproof breathable film layer. The polyester fiber layer is made of skin-friendly polyester fibers, has excellent moisture absorption and sweat releasing performance and can improve wearing comfort. The phase-change microcapsule layer is formed by uniformly embedding microcapsules coated with a phase-change material into the textile structure, and absorbs heat and generates phase change when the environment temperature rises, so that the temperature of the fabric is reduced; the PTFE waterproof breathable film layer has waterproof and breathable functions, can prevent external liquid from permeating, allows water vapor to permeate, and enhances environmental adaptability. By optimizing the spinning method of the phase-change microcapsules, the phase-change heat exchange efficiency can be improved while the air permeability of the fabric is kept, and the cooling performance of the fabric at high temperature is ensured. The fabric can be widely applied to high-temperature work clothes, outdoor sportswear and intelligent temperature control textiles, and has the advantages of being high in temperature adjusting capacity, comfortable, breathable and the like.

The present invention is directed to a capsule (1) for beverage preparation, comprising a cup-shaped body (2) of moulded cellulose pulp and a closing membrane (5) attached to a peripheral rim (4) of said body (2). The capsule further comprises a multilayer polymeric liner (3) attached to the inner surface of the cellulose pulp body (2), said liner comprising: (i) an outermost polymeric layer (7), (ii) a first tie layer (8), (iii) a barrier layer (9), (iv) a second tie layer (10), (v) an innermost polymeric layer (11), In which liner, - the thickness of the outermost layer (7) and the thickness of the innermost layer (11) are comprised between 10 and 100 pm and are preferably identical; - the elongation at break of the outermost layer (7) is higher than the elongation at break of the innermost layer (11); - The melt flow rate (MFR) of the outermost layer (7) measured at 150°C during 10 minutes with a pressure of 2.16 kg, is lower than the melt flow rate (MFR) of the innermost layer (11), measured at 190°C during 10 minutes with a pressure of 2.16 kg; - The melting point temperature of the outermost layer (7) is lower than the melting point temperature of the innermost layer (11), and in which, the outermost layer serves as an adhesive to the cellulose pulp of the capsule body.

The invention provides a heat-storage warm-keeping down-locking layered fabric and a down jacket. The heat-storage warm-keeping down-locking layered fabric sequentially comprises a skin-friendly layer, a liner cloth layer and a heat-storage warm-keeping down-locking layer from inside to outside, and the heat-storage warm-keeping down-locking layer is prepared by napping a heat-storage warm-keeping fabric; yarns for weaving the heat-storage and warm-keeping fabric are heat-storage and warm-keeping fiber / hollow polyester fiber / wool fiber blended yarns; the heat-storage warm-keeping fiber comprises polyester and a heat storage agent, and the preparation method of the heat storage agent comprises the following steps: firstly loading a polyethylene glycol / nano molybdenum disulfide composite material by adopting porous silicon dioxide microspheres, then mixing with a mixture containing silica sol and nano metal silver, and performing vacuum drying to obtain the heat storage agent. The heat-storage warm-keeping down-locking layered fabric has excellent heat-storage warm-keeping effects, can lock down, has a good antibacterial effect, and has a very good application effect when being used as a lining fabric of a down jacket.

[Problem] To provide a novel polarizing plate that inhibits a poor external appearance of a polarizing film due to thermal contraction, and that excels in durability. [Solution] This polarizing plate comprises a polarizing film composed of a polyvinyl alcohol–based resin, and a supporting base material layered on at least one of the surfaces of the polarizing film with a bonding layer therebetween, said supporting base material being light-transmitting, and is characterized in that the bonding layer is composed of a molecular bonding agent that binds the polarizing film and the supporting base material together via a chemical bond.

The invention belongs to the field of battery diaphragms, and particularly provides a preparation method of a solid electrolyte composite material, which comprises the following steps: (S1) mixing a polymer, a plasticizer and a lithium salt, adding into a second solvent, dissolving and stirring to obtain an electrostatic spinning precursor solution; (S2) depositing the electrostatic spinning precursor solution on the surface of a receiver through electrostatic spinning to obtain a fiber membrane, and separating the fiber membrane from the receiver; and (S3) soaking the fiber membrane in a dispersion liquid, and performing dispersion treatment to obtain the nanofiber composite material, specifically, a battery prepared from the solid electrolyte composite material provided by the invention has excellent electrochemical performance, can still maintain a high capacity retention ratio after multiple cycles, has excellent rate capability, and can be applied to the field of lithium ion batteries, such as lithium ion batteries, lithium ion batteries, lithium ion batteries, lithium ion batteries, lithium ion batteries, lithium ion batteries, lithium ion batteries, lithium ion batteries, lithium ion batteries, lithium ion batteries, lithium ion batteries, lithium ion batteries, lithium ion batteries and lithium ion batteries. And the long-term stability and safety of the operation of the battery can be ensured.

The present invention relates to a lid film for airtight sealing of beverage capsules, in particular coffee capsules, comprising excellent barrier properties against gas ingress, water or humidity and oxygen: i.) at least one layer of paper, ii.) at least one layer containing polylactic acid, iii.) at least one layer of metallization, iv.) at least one sealing layer containing at least one thermoplastic polymer made from glucose, lignin or cellulose.

The utility model provides a fabric and a textile, and relates to the technical field of textiles. The fabric comprises a first functional layer and a second functional layer, the first functional layer is arranged on one side of the second functional layer, the first functional layer is formed by first yarns, the first yarns comprise functional fibers, the functional fibers comprise a core layer and a sheath layer, the sheath layer is arranged on the periphery of the core layer, and the surface of the sheath layer comprises a plurality of diffuse reflection parts; the second functional layer is formed by second yarns, and the second yarns have at least one of a quick-drying function, a ventilation function and a cool feeling function. The functional fiber surface of the first functional layer comprises a plurality of diffuse reflection parts, and the diffuse reflection parts can reduce specular reflection on the surface of the fabric, so that the sweat mark hiding capability of the fabric is improved.

An object of the present invention is to provide a cover film having more excellent adhesiveness to a base material in a case where a bonded body of the cover film and the base material is stored for a long period of time. The cover film of the present invention includes a support and a polymer layer containing a polymer, in which the support contains a cellulose triacetate derived from wood pulp, and the polymer layer satisfies the following requirement 1. Requirement 1: residual rate of the polymer layer is 10% to 50% by mass before and after the polymer layer is immersed in xylene at 25°C after being peeled off from the cover film.

The utility model relates to the field of fabrics, in particular to a moisture-absorbing and sweat-releasing blended fabric. The moisture-absorbing and sweat-releasing blended fabric comprises a moisture-absorbing layer and a breathable layer, wherein the moisture absorption layer is formed by weaving a plurality of first yarns and a plurality of second yarns; the first yarns comprise polyester fibers and multi-strand yarns wrapping the polyester fibers; the multi-strand yarn is formed by twisting tencel fibers and silver ion antibacterial fibers; the breathable layer is formed by weaving a plurality of third yarns, and the third yarns are formed by twisting linen fibers and cashmere fibers; a plurality of ventilation holes are formed in the ventilation layer; the first yarns have high elasticity, comfort, hygroscopicity and antibacterial activity, and the second yarns also endow the moisture absorption layer with excellent moisture conductivity; the breathable layer formed by weaving the third yarns is provided with a plurality of breathable holes, so that the moisture absorption layer after moisture absorption can be quickly dried, and the blended fabric has the excellent effects of moisture absorption, sweat releasing and quick drying.

The invention discloses a high-comfort-degree pillowcase blended fabric, and particularly relates to the field of articles for daily use, the high-comfort-degree pillowcase blended fabric comprises an outer fabric layer, a middle spacing layer and an inner fabric layer, and the outer fabric layer and the inner fabric layer are connected through the middle spacing layer; and the outer fabric layer, the middle spacing layer and the inner fabric layer jointly form a three-dimensional spacer fabric with a multi-layer structure. According to the invention, through the multi-layer structure design, a three-dimensional pore structure is formed, air flow and heat dissipation are promoted, the moisture-permeable and air-permeable performance is excellent, and comfort and hygiene in the use process are ensured; the outer layer, making contact with the skin, of the cloth is made of cool fibers, the middle spacing layer achieves dynamic supporting and long-term shape stability through the composite design of a rigid framework and elastic driving, and the use comfort is remarkably improved; by means of the moisture and air permeability design of the pillowcase, the use experience is further improved, stuffiness and discomfort are avoided, and the air permeability, the moisture permeability, the cool feeling and the supporting performance are comprehensively improved in combination with the synergistic effect of specific fiber materials.

The invention provides photo-thermal moisture absorption gel and a preparation method thereof, and belongs to the field of moisture absorption gel. The photo-thermal moisture absorption gel provided by the invention comprises an aerogel carrier and moisture absorption salt loaded on the aerogel carrier, the aerogel carrier comprises a first photo-thermal aerogel layer, a cellulose network aerogel layer and a second photo-thermal aerogel layer which are arranged in sequence; each of the first photo-thermal aerogel layer and the second photo-thermal aerogel layer comprises cellulose network aerogel and a photo-thermal conversion material loaded on the cellulose network aerogel; pore channels penetrating through the first photo-thermal aerogel layer, the cellulose network aerogel layer and the second photo-thermal aerogel layer are formed in the aerogel carrier. The photo-thermal moisture absorption gel provided by the invention is high in reproducibility, environment-friendly and pollution-free, and has high moisture absorption capacity and rapid moisture absorption capacity.

The present invention addresses the problem of providing: a display device having both visibility and folding resistance after a key test; an optical film; and a method for manufacturing the optical film. This display device has at least a light-emitting element and a color filter, and is characterized in that the display device has an optical film containing cellulose acetate and a filler of a metal oxide or a metal salt, the degree of substitution of acetyl groups in the cellulose acetate is within the range of 2.3-3.0, and the degree of substitution of acetyl groups in the cellulose acetate is within the range of 2.3-3.0. The metal oxide or metal salt filler has an aspect ratio in the range of 110-2000.

The invention relates to a method for producing a multilayer structure comprising an organic barrier layer, adhesive layer and substrate, comprising the following steps (a) providing a carrier film, (b) wherein a major part of the surface of the carrier film is provided with a release agent chosen from (i) an organic release layer, which organic release layer has the capacity to effect a releasable bond from the surface of the carrier film and a non-releasable bond with the surface of an organic barrier layer to be applied on the release layer and / or (ii) a metal layer on the carrier film which adheres stronger to the carrier film than to the organic barrier layer, (c) providing an organic barrier layer on the release agent, (d) providing an adhesive layer on the organic barrier layer, and bonding the organic barrier layer with said adhesive to a substrate, and (e) stripping said carrier film from the multilayer structure.

The invention is applicable to the field of fabrics, and provides a composite one-way moisture-conducting fabric based on differential capillary effect, which comprises a base layer, a moisture-conducting layer and a functional layer which are sequentially laminated and connected, the base layer is formed by interweaving hydrophilic fibers, forms a first capillary channel and has excellent liquid absorption capacity; the moisture guiding layer is composed of micro-nano fibers with the diameter changing in a gradient mode, a second capillary channel with the differential capillary effect is formed, and efficient directional liquid transmission is achieved; the surface of the functional layer is provided with a micro-nano structure and is subjected to hydrophobization treatment to form a third capillary channel, so that efficient reverse osmosis prevention and accelerated evaporation are realized; the three layers of structures are communicated with one another to form a one-way liquid transmission path from the base layer to the functional layer; according to the method, the liquid transmission process is accurately described through the Young-Laplace equation, the Washburn equation and the Cassie-Baxter model, the triple effects of rapid moisture conduction, directional transmission and effective reverse osmosis prevention are achieved, and the wearing comfort and functionality of the fabric are remarkably improved.

The present disclosure is directed to a bonded structure comprising: a first substrate provided with a first electrically conductive surface; a second substrate provided with a second electrically conductive surface; and, an adhesive interposed between said first and second electrically conductive surfaces, wherein at least one of said first and second electrically conductive surfaces is provided by a dried ink film comprising: a matrix of a polymeric resin (FR); and, electrically conductive particles, further wherein said adhesive is electrochemically debondable and is obtained by applying a curable liquid-state composition to at least one of said first and second electrically conductive surfaces followed by the curing of said composition, wherein the curable composition comprises a non-polymerizable electrolyte and a polymeric resin (AR).

The present invention relates to sandwich-structured, planar molded bodies for use in the interiors of buildings or in the interiors of means of transport, comprising a) a central core layer with a plurality of hollow bodies, b) a fiber braid on both sides of the core layer, and c) a substantially inorganic binder, comprising a geopolymer, applied at least partially foamed to both sides of the fiber braid. The invention further relates to a method for producing sandwich-structured, planar molded bodies according to the invention and to their use.

The invention provides a directional moisture absorption and sweat releasing functional fabric and a preparation method thereof.The fabric comprises a sweat releasing and drying layer, a capillary moisture guiding layer and a hydrophilic moisture absorption layer from outside to inside, the hydrophilic moisture absorption layer is a cellulose acetate electrostatic spinning super-hydrophilic modified layer, the capillary moisture guiding layer is formed by weaving porous polyester yarn, and the hydrophilic moisture absorption layer is a super-hydrophilic modified cellulose acetate electrostatic spinning super-hydrophilic modified cellulose acetate electrostatic spinning super-hydrophilic modified cellulose acetate electrostatic spinning super-hydrophilic modified cellulose acetate electrostatic spinning super-hydrophilic modified fiber. The perspiration drying layer is a silane super-hydrophobic modified layer. Porous cross-section polyester fibers are prepared by adopting a washable template method, the moisture conductivity is improved, an electrostatic spinning cellulose acetate nanofiber membrane is subjected to super-hydrophilic modification, the sweat absorption rate is increased, the skin-friendly performance is improved, a sweat-releasing and drying layer is subjected to silane hydrolysis spraying and then heat treatment to form a super-hydrophobic siloxane coating, the surface dryness is enhanced, and the moisture absorption rate is increased. Unidirectional migration and rapid evaporation of sweat from inside to outside are achieved.

The embodiment of the invention provides a dispersible non-woven fabric which comprises a body, the body comprises at least two base layers combined through embossing, the weight of each base layer is smaller than or equal to 50 g / m < 2 >, each base layer comprises inner surfaces facing each other, embossing units are formed on the inner surfaces, and the embossing units are arranged on the inner surfaces. Each embossing unit comprises first linear embossments and second linear embossments which are alternately arranged, the first linear embossments and the second linear embossments are wavy, the first linear embossments on the adjacent base layers are staggered in arrangement, the second linear embossments on the adjacent base layers are staggered in arrangement, and the first linear embossments on the adjacent base layers are staggered in arrangement. By means of the arrangement, on one hand, the effect of a high-gram-weight non-woven fabric can be achieved through an existing low-gram-weight non-woven fabric, and on the other hand, by means of the arrangement mode, the dispersing performance of the non-woven fabric capable of being dispersed can be greatly improved, and the non-woven fabric capable of being dispersed is equivalent in strength and larger in thickness.

The utility model relates to the technical field of clothing type quick-dry fabrics, and discloses an easy-to-clean moisture-absorbing quick-dry fabric which comprises a fabric body, a sweat-absorbing lining is arranged at the top end of the fabric body, a modal fiber layer is connected to the outer wall of the top end of the sweat-absorbing lining through a sweat-absorbing assembly, a breathable inner layer is arranged at the bottom end of the sweat-absorbing lining, and the breathable inner layer is connected with a moisture-absorbing layer through a moisture-absorbing assembly. The outer wall of the top end of the breathable inner layer is connected with a spandex fiber layer through a breathable assembly, the bottom end of the breathable inner layer is provided with a wear-resistant outer layer, and the outer wall of the top end of the wear-resistant outer layer is connected with a hollow fiber layer through a wear-resistant assembly. According to the utility model, the fabric can quickly absorb and release moisture, keep dry and ventilated, provide comfortable wearing experience, is particularly suitable for being worn in summer, enhances the wear-resistant effect, is more durable, is not easy to wear and deform, is suitable for long-time use and frequent washing, and provides higher performance requirements.

The invention relates to a blended yarn and a preparation method thereof, the blended yarn comprises a three-layer composite structure: a surface layer comprises a single-sided single jersey weave woven by 50D-150D supercritical CO2 waterless dyed polyester filament yarn, and the single-sided single jersey weave accounts for 30%-70% of the total mass of the blended yarn; the middle layer comprises lyocell colored spun yarn which is connected through tuck loops, the lyocell colored spun yarn comprises 5wt%-15wt% of black lyocell fibers and 85wt%-95wt% of fibril which are blended, and the surface of the lyocell colored spun yarn is coated with a chitosan / sodium alginate ion cross-linked composite layer; the inner layer comprises looped pile weaves woven by lyocell colored spun yarns, the looped pile weaves are subjected to crosslinking treatment through a CaCl2 solution to form a calcium alginate flame-retardant layer, and the surface resistivity is smaller than or equal to 1 * 10 < 9 > omega.cm. The blended yarn provided by the invention is self-assembled through chitosan / sodium alginate ions, so that flame retardance, antibacterial property and antistatic property are synchronously realized; the water consumption is reduced by supercritical CO2 dyeing, and the fiber strength is protected by low-temperature setting.

The invention relates to the field of functional fabrics, in particular to an antistatic warm-keeping rabbit wool silk fabric. Which comprises a body, the body comprises a surface layer and a bottom layer connected with the surface layer, and is characterized in that the surface layer comprises 40-50% of regenerated cellulose fibers, 8-15% of spandex, 2-5% of rabbit wool and the balance acrylic fibers; the fiber content of the bottom layer is as follows: 22-30% of regenerated cellulose fiber, 3-5% of silk, 8-15% of spandex and the balance of acrylic fiber. The bottom layer containing silk and the surface layer containing rabbit wool are formed, so that the fabric has better antistatic property, heat preservation property and pilling resistance.

The invention discloses a functional fabric capable of synchronously achieving electric heating and infrared stealth and a preparation method and application thereof.The fabric is of a sandwich structure, the outer layer is an infrared stealth layer, cellulose is used for modifying the fabric, the porosity is reduced, the capillary action is improved, a low-emissivity material and the fabric are tightly combined, the surface is smooth, the problem that inorganic materials fall off is solved, and the fabric has the function of infrared stealth. The infrared stealth effect is enhanced; the interlayer is a heat insulation layer, the aerogel is subjected to silanization modification, rigid chain segments are introduced to form a rigid-flexible physical cross-linked network, the hydrogen bond strength and mechanical performance are improved, heat loss of the inner layer is slowed down, collaborative stealth is achieved, and infrared stealth of the thin aerogel under heating is achieved; the inner layer is an electric heating layer, PEDOT: PSS and CF are compounded, and the pi-pi conjugation action of the PEDOT: PSS and the CF changes the arrangement of macromolecular chains, reduces the contact resistance of the CF, improves the conductivity of the PEDOT: PSS and enhances the electric heating performance.

The present invention is directed to sheet material comprising at least a first layer, a second layer, and a third layer, wherein the first layer is arranged in between the second layer and the third layer, wherein the first layer consists of a first material, the first material comprising at least 50 wt% of a functional component based on the weight of the first material, the functional component consisting of one or more water-soluble polymers and / or one or more water-swellable polymers, such that the first layer is a water-soluble layer or a water-disintegrating layer; and wherein the first layer comprises a transmission haze ≥ 1.5 % determined according to ASTM D 1003, and / or the first material comprises a coloring agent. Furthermore, the invention is directed to a packaging container or flexible composite comprising the above sheet material. Additionally, the present invention is directed to a method for recycling the above sheet material, the above packaging container, or the above flexible composite, comprising the steps of: - shredding the sheet material, the packaging container, or the flexible composite to flakes, granulates and / or a powder, - exposing the flakes, granulates and / or or powder to an aqueous washing solution; - separating solid components from the aqueous washing solution.

The invention provides a multi-stage synergistic wound repair nanofiber membrane and a preparation method thereof. The composite fiber membrane sequentially comprises an electrostatic spinning pullulan / tannic acid / tranexamic acid nanofiber membrane for promoting the formation of blood clots, a polydopamine / calcium chloride modified electrostatic spinning cellulose acetate membrane with coagulating, antibacterial and repairing effects, and a chitosan composite cellulose non-woven fabric, and the electrostatic spinning pullulan / tannic acid / tranexamic acid nanofiber membrane is a wound surface contact layer. The nanofiber membrane has the functions of a physical hemostasis barrier and continuously releasing regeneration promoting biological signals, and a dynamic hemostasis healing process is formed.

The utility model discloses a dry method and wet method melt spinning on-line material structure. The dry method and wet method melt spinning on-line material structure sequentially comprises a melt spinning supporting layer, a wet method absorbing layer and a dry method anti-falling layer from bottom to top. The polypropylene fiber web on the bottom layer and the synthetic fiber and regenerated fiber mixed spinning fiber web on the surface layer have oleophylic groups, and the cellulose fiber web on the middle layer has hydrophilic groups, so that the material has double characteristics of water absorption and oil absorption; the wet-process layer is wrapped by the upper layer and the lower layer, even if hardwood pulp is used, the situations of desquamation, hair slip and the like cannot occur, and the raw material cost can be reduced on the premise that the application performance of the wet-process layer in the field of medical treatment and public health is guaranteed. The wet process net is transferred to the melt spinning net on line, heat energy of the melt spinning net is effectively utilized, and energy conservation is facilitated. Meanwhile, the wet process net enables the fibers in the melt spinning net to form a fiber shape gradient due to the temperature gradient, that is, the fibers in contact with the wet process net become flat, the coverage area is increased, and the fibers close to the bottom curtain keep circular sections.

The present invention relates to a solid cellulose foam object comprising a first solid cellulose foam portion attached to a second solid cellulose foam portion. optionally at least one additional solid cellulose foam portion may be attached to the first and / or the second solid cellulose foam portion. The invention also relates to a method for producing said solid cellulose foam object.

The invention provides a biomass multi-layer fabric, a preparation method and clothes made of the biomass multi-layer fabric, and belongs to the technical field of fabric clothes. The preparation process comprises the following steps: preparing the antibacterial bamboo fibers; preparing the cool composite doped fiber; preparing a skin-friendly inner layer fabric; constructing a gradient one-way moisture conducting layer; and preparing the biomass multi-layer fabric. The antibacterial effect is achieved through acetic acid ball milling pretreatment, carboxymethylation modification of bamboo fibers and embedding of zinc ions, hydroxylated boron nitride, nano shell powder and silicon dioxide are combined to construct a core-shell structure, the fabric is endowed with double cool feelings of heat conduction and radiation cooling, and through the design of the gradient one-way moisture guiding layer, the fabric has the antibacterial performance, the lasting cool feeling and the moisture absorption and quick-drying performance.

A protective packaging insert comprising a substrate and a solid cellulose foam plank; wherein said substrate comprising at least two sections and at least one folding line separating said at least two sections, wherein said at least one folding line is arranged to allow said insert to be folded into a folded state; said solid cellulose foam plank comprising two or more portions; wherein a first portion of said solid cellulose foam plank comprising at least one through-going hole, and wherein at least one second portion of said solid cellulose foam plank has a shape corresponding to a shape of said at least one through-going hole; wherein a bottom surface of said first portion of said solid cellulose foam plank is fixedly arranged on a top surface of a first section of said substrate, and an upper surface of said at least one second portion of said solid cellulose foam plank is fixedly arranged on a top surface of a second section of said substrate.