54 results about "Natural material" patented technology

The application discloses a kind of fluorite tailing material fatigue-resistant water-stable base and preparation method thereof.Belongs to the technical field of solid waste utilization.Preparation of the fluorite tailing material fatigue-resistant water-stable base aggregate ratio is as follows: gravel, river sand, fluorite tailing material and tap water quality ratio is as follows: 55-65 wt%, 30-35 wt%, 5-10 wt% and 40-45 wt% tap water.In the application, fluorite tailings are used as raw materials for building materials, which is a reasonable way of resource utilization, and is also an inevitable demand for promoting ecological protection and high-quality development in the Yellow River Basin.Compared with traditional natural materials, it can also reduce carbon emissions and production energy consumption.When applied to water-stable base, it improves its fatigue resistance, prolongs the service life of water-stable base and improves economic efficiency.

To provide decorative sheets, decorative panels, methods for manufacturing decorative sheets, and methods for manufacturing decorative panels that reproduce a texture similar to that of natural materials. [Solution] A decorative sheet comprising a sheet substrate, a pattern layer provided on one surface of the sheet substrate, a first surface protective layer provided on the surface of the pattern layer, and a second surface protective layer provided on the surface of the first surface protective layer, wherein the second surface protective layer has a thick film portion and a thin film portion, the thickness of the thin film portion is 20% to 65% of the maximum thickness of the second surface protective layer, the thick film portion has a first inclined portion provided at the boundary with the thin film portion in a cross section along the vertical direction, and a second inclined portion whose inclination with respect to the plate surface direction is greater than that of the first inclined portion, the area ratio of the thick film portion to the total area of ​​the second surface protective layer in a plan view, and the wire count ratio of the thick film portion to the thin film portion is 2:3 to 1:3.

[Solution] This disclosure relates to the composition of a cementitious material and a method for producing the same. The cementitious material may be a chemically activated concrete material utilizing industrial by-products and / or natural materials, and can provide an environmentally friendly alternative to Portland cement and other conventional cement materials. This cementitious material can form a construction material as a substitute for Portland cement or by adding it to Portland cement.

The application provides a high-mixing amount of construction waste runway structure suitable for a high-water-content silt ground, and can be applied to runways of different grades. The high-mixing amount of construction waste runway structure is located on the high-water-content silt ground and sequentially comprises, from bottom to top, a modified subgrade, a granular cushion, a water-stable lower base layer, a water-stable upper base layer, a composite seal layer and a cement concrete surface layer. Except for the composite seal layer, the materials of the structure layers all contain full replacement or high-mixing amount of construction waste recycled materials; the material types can include brick-concrete type construction waste and cement concrete type construction waste; and according to different structure layer positions, different particle size gradations and particle sizes are used. The airport runway surface structure provided by the application uses construction waste materials to replace natural stone materials such as mountain stone and limestone gravel, and meets the technical requirements of each layer of the runway surface through modification and other treatment methods, which has positive significance for saving natural materials, efficiently recycling solid waste and reducing the construction cost of the runway.

This invention provides a method for providing handicraft-based elderly care services to seniors living at home in the community using natural materials. The method includes a material pretreatment module, an age-friendly handicraft production module, a closed-loop service process module, and a business closed-loop module. The material pretreatment module is used to ensure the safety of natural materials. The age-friendly handicraft production module and the closed-loop service process module construct a six-step closed-loop service system covering senior ability assessment, handicraft instruction and companionship, artwork display, psychological feedback, and financial settlement. The business closed-loop module establishes a sustainable business model. This invention solves the problems of material safety risks, fragmented service processes, and the lack of age-friendly and economically beneficial aspects of handicraft-based elderly care business models in existing technologies. It has the advantages of improving operational safety, promoting full participation of seniors, providing comprehensive community-based elderly care service support, and empowering seniors economically, thereby reducing the cost of elderly care.

This application relates to the field of natural materials technology, specifically to a flame-retardant wood-plastic composite material and its preparation method. The method includes: S1: drying natural wood fiber materials; S2: mixing the dried natural wood fiber materials with various raw materials to obtain a raw material mixture; S3: melt-extruding the raw material mixture in a twin-screw extruder to obtain flame-retardant wood-plastic composite material particles, wherein the proportional coefficient of the temperature control process for each barrel heating section is adjusted based on the temperature changes in each barrel heating section during the melt extrusion process; S4: cooling the flame-retardant wood-plastic composite material particles to obtain the flame-retardant wood-plastic composite material. This application solves the temperature lag and fluctuation problems by dynamically adjusting the proportional coefficient of each heating section of the extruder, thereby improving the mechanical properties and appearance quality of the flame-retardant wood-plastic composite material.

This invention presents a novel and sustainable approach for engineering highperformance electronic substrates derived from goat-based textiles, traditionally referred to as Brana. By using a carefully organized sequence of eco-friendly chemical, mechanical, and nanotechnological processes, the textile becomes 8 biodegradable, flexible, and electronically functional platform. This method incorporates active nanoink materials like graphene oxide, carbon nanotubes, and conductive and coordination polymers through scalable deposition techniques such as chemical vapor deposition, electrochemical coating, and screen printing. Consequently, the resulting substrate demonstrates outstanding electrical conductivity, mechanical strength, and thermal stability, making it perfect for next-generation flexible electronics applications. These include wearable biosensors, environmental monitoring devices, flexible printed circuit boards (PCBs), and energy storage components like supercapacitors and battery electrodes. Designed with both ecological impact and industrial scalability [ባ mind, this invention bridges indigenous natural materials with state-of-the-art nanomaterials and fabrication strategies, thereby setting a new benchmark [በ the development of sustainable, multifunctional electronic platforms

The invention relates to the technical field of construction engineering foundation treatment, in particular to a foundation structure based on a high-saturation brine crystallization technology and a construction method of the foundation structure. The foundation structure comprises a basic primary salt rock bearing layer, a bottom framework cementing layer and a surface sand gravel compensation layer. As the magmatic rocks are very hard, high in density and enough in salt lake chemical environment resistance, the magmatic rocks are directly put into a hypersalinity brine area to form a rigid framework, framework building-in, gap filling and overall cementing are achieved through natural crystallization of salt lake hypersalinity brine, and a core rigid framework of the foundation is formed; the structure can be connected with a primary salt rock bearing layer of a lower foundation to form a stress transmission system, can resist soaking erosion caused by conventional fluctuation of the brine water level, has anti-floating and anti-seepage dual performance, can improve the foundation bearing capacity and the anti-settling capacity, and enables a building newly built on a salt lake to be more stable. Meanwhile, the magmatic rocks are natural materials, so that the salt lake environment is not polluted, and the environmental protection property is good.

This invention provides a thread-like component for hand-woven baskets that can reproduce the texture of natural materials, and a hand-woven basket made using this component. [Solution] The yarn-like member for the hand-knitted basket comprises a first yarn-like portion formed from a first material, and a second portion formed from a second material that partially covers the outer surface of the first portion. The second portion is provided at multiple locations along the longitudinal direction of the first portion at irregular intervals. The first material contains polypropylene, polyethylene, an antibacterial material, and a first pigment. The second material contains a part of the first material and a second pigment. The color tone of the second portion is different from that of the first portion.

The invention relates to a preparation method of low-cytotoxicity ecological leather based on all-natural materials. Comprising the following steps of batch grouping, pre-soaking, fleshing and trimming, main soaking, fleshing and trimming, enzyme unhairing, liming, splitting and trimming, deliming, softening, pickling, tanning by combining tara tannin extract, tea polyphenol and zeolite, wringing, shaving and buffing, rewetting, primary neutralizing, fat liquoring, drying and finishing, and finishing. According to the tanning method, a tanning agent can be better combined with leather fibers by adopting a tanning extract-tea polyphenol-zeolite combined tanning method, so that the shrinkage temperature and the damp-heat resistance stability of the leather are improved, and the strength and the wear resistance of the leather are enhanced. Meanwhile, the tea polyphenol has the effects of resisting oxidation, resisting bacteria and the like, the aging resistance and the antibacterial performance of the leather can be improved, and the service life of the leather is prolonged.

To provide a natural wood decorative panel with a self-adhesive layer capable of being simply executed without irregularity by putting a natural material to practical use, and an execution method.SOLUTION: A non-carrier double-sided adhesive sheet having an adhesive layer 6 protected by a release sheet 7 is adhered in advance to "a reinforced sliced veneer 2 having a sliced veneer 3 obtained by slicing natural wood, an adhesive layer 4, and a base material 5" outside a construction site to manufacture a natural wood decorative plate 1 with an adhesive layer protected by the release sheet 7, and the natural wood decorative plate 1 is attached to a target surface while peeling off the release sheet 7 at the construction site. The adhesive layer 6 contains a (meth) acrylic ester, a polymerizable monomer other than the (meth) acrylic ester, a polymerization initiator, an adhesiveness-imparting compound, and fine particles and has a thickness of 10 μm or more and 500 μm or less, and a primer is applied in advance to a target surface having a large area in which two or more rectangles having a short side of 30cm or more and 303cm or less are arranged, and the decorative plate 1 is bonded thereon.SELECTED DRAWING: Figure 1

The invention relates to a preparation method of high-comfort ecological leather based on all-natural materials. Comprising the following steps of batch grouping, pre-soaking, fleshing and trimming, main soaking, fleshing and trimming, enzyme unhairing, liming, splitting and trimming, deliming, softening, pickling, tanning in a tara tannin extract-tea polyphenol polymer (tea pigment)-zeolite combination, wringing, shaving and buffing, rewetting and filling, fat liquoring and finishing. By adding natural and modified fatliquoring agents such as the sulfated tea oil, the sulfated cattle hoof oil and the lecithin fatliquoring agent, as well as the natural dye and the filler, the leather can obtain good softness, full hand feeling and good comfort.

The present application relates to a kind of biodegradable medical mask and its preparation method, using gelatin as main raw material to prepare the filter core of mask instead of melt-blown cloth, to prepare biodegradable medical mask.The intermediate layer of the medical mask is gelatin-based nanofiber membrane, wherein the support layer is located on both sides of the intermediate layer, which is a napkin made of natural materials, with porous structure.The biodegradable medical mask of the present application has the following advantages: (1) biodegradable, environmental protection, and the materials used are all natural materials; (2) electrostatic spinning is used to give the gelatin fiber membrane static electricity, not only providing the ability to block viruses, but also improving the ability to ventilate; (3) gelatin is a protein, non-toxic and safe, and because its raw material is derived from food processing by-products, it is low in price; (4) gelatin elastomer is prepared as a mask belt, solving the problem of non-degradable mask belt at present; (5) the outer layer is a degradable cellulose porous napkin, realizing the characteristics of pure natural materials of the mask, and facilitating use.

The invention discloses a method for in-situ regulation and control of hydroxysulfate secondary mineral passivated pyrite in acid mine water. The method comprises the steps that a mine is blocked in a segmented mode and divided into a plurality of packing sections, the two ends of each section are each provided with a blocking wall, a closed space is defined by the two blocking walls, and the closed space is filled with clay and rock blocks; each section of blocking wall is completely combined with the top and the two side walls of the hole wall and adopts an inverted trapezoidal design, so that the packing effect of the packing section is ensured; an interval space is formed between every two adjacent packing sections, and the interval spaces are filled with corn straw powder. Through the collaborative design of in-situ segmented plugging and interval space filling, a large number of chemical agents do not need to be additionally added, and long-acting inhibition of pyrite oxidation can be achieved through the mine structure and natural materials.

This invention relates to the field of natural material emulsification and discloses a natural material emulsification process for processing personal care products. The process includes: injecting a dispersed aqueous phase of tea saponin and soybean lecithin into the oil phase at a gradually decreasing pump flow rate at a temperature ranging from 30°C to 42°C, while simultaneously increasing the stirring speed; applying an ultrasonic pulse after the oil phase injection is complete; lowering the stirring speed to stabilize the interfacial film; and reducing the temperature in two stages. This invention matches the interfacial expansion rate with the molecular adsorption rate to eliminate localized oil phase overload, resulting in a uniform monodisperse state of the droplets. Simultaneously, it avoids the peeling and damage of the interfacial film by continuous strong shear fields, locks the lattice arrangement of hydrophobic hydrocarbon segments in the interfacial film, and forms a three-dimensional steric network, thereby increasing the interfacial yield stress, enhancing long-term thermodynamic stability, and suppressing stratification and phase coalescence during long-term storage.

The invention discloses a preparation method of a multi-scale skin-friendly wood grain texture mold, which comprises the steps of wood grain feature acquisition and digital modeling, preparation of a micron-sized main grain glass female mold, mold transfer printing, construction of a skin-friendly nano wrinkle layer and the like. The mold not only can reproduce visual textures of natural materials, but also can present soft and fine experience in touch. According to the multi-scale structural design, the surface performance is closer to a natural state, attractiveness and practicability are taken into consideration, the composite material is suitable for being applied to decoration, electronic shells, interiors and other occasions needing comfortable touch feeling, meanwhile, laser direct writing, wet etching, nanoimprint and the like are combined in the technological method, high-fidelity copying of complex textures can be effectively achieved, and high-fidelity copying of the textures is achieved. And certain stability and repeatability are realized in subsequent use. The process route gives consideration to the requirements of experimental feasibility and large-scale production, and can be suitable for different application scenes.

This invention relates to a low-carbon preparation method for antibacterial eco-leather based on all-natural materials, comprising the following steps: batching → pre-soaking → fleshing and trimming → main soaking → fleshing and trimming → enzymatic hair removal → liming → splitting and trimming → deliming → softening → acid soaking → tanning with yellow collagen aldehyde-aluminum combined → standing, squeezing, and smoothing → rewetting → neutralization → filling with waste leather collagen modifiers and dyeing with plant dyes → fatliquoring with modified rapeseed oil → dyeing with plant dyes → drying and finishing → vanillin finishing. The innovative feature of this invention is the use of a yellow collagen aldehyde-Al(III) combined tanning process, resulting in a leather shrinkage temperature ≥90℃, far exceeding the industry standard (≥75℃); an antibacterial rate >99% against Staphylococcus aureus, Klebsiella pneumoniae, and Candida albicans; a tear strength of 62N, a bursting force of 220N, and a bursting height of 9mm, exhibiting high mechanical strength and good structural stability.

Provided herein are highly porous electrode structures made from natural materials and retaining natural architecture, which are highly permeable and find use in capacitive deionization desalination systems and methods. The porous electrode includes an electrode body including an architecturally intact carbonized organic material having a hydraulic permeability of at least 0.5×10−13 m2 as determined by application of Darcy's Law, and optionally having hierarchical porosity and a non-metal conductor attached to the electrode body. Also provided herein are methods of making the porous electrodes, desalination systems including the porous electrodes, and methods of desalinating water using the desalination systems including the porous electrodes.

The invention provides an anti-condensation air purification two-component coating and a preparation method thereof, and belongs to the technical field of building coatings. The coating aims to overcome the defect that an existing interior wall coating is difficult to give consideration to environmental friendliness, functionality and physical properties. The coating is composed of a component A liquid material and a component B powder material. The component A comprises a self-made soil modifier prepared from polyvinyl alcohol resin, a treated leftover rice mixture and the like; the component B comprises a modified soil mixture which is treated by a soil foaming agent to form porous particles and borax serving as a cross-linking agent. Through cross-linking reaction of polyvinyl alcohol in the component A and borax in the component B, the bonding strength and cracking resistance of a coating film are improved. In addition, the coating system further comprises a photocatalyst, a physical adsorbent and a negative ion generation material. According to the present invention, by modifying the natural material and the two-component cross-linking system, the coating material is endowed with excellent anti-condensation performance, efficient air purification function and good thick coating cracking resistance on the basis of the environmental protection target.

Provided herein is an absorbent article comprising a liquid permeable topsheet (1), a liquid impermeable backsheet (4), an absorbent core (3) arranged between the topsheet (1) and the backsheet (4), and a fluid flow control structure (2) arranged between the topsheet (1) and the absorbent core (3), wherein the fluid flow control structure (2) comprises at least a first nonwoven layer (21) comprising natural materials such as regenerated cellulose, cotton, lyocell, kapok and / or hemp in an amount of at least 90% by weight of the first nonwoven layer (21), wherein the first nonwoven layer (21) is a three-dimensionally formed layer having a plurality of apertures (213) and comprising a stiffening member.

Provided is a method for producing a decorative sheet which has a texture closer to that of a natural material, exhibits a good color close to that of the natural material, and has excellent post-processing resistance to post-processing such as V-groove bending. To this end, a pattern layer (5) having a pattern, a transparent thermoplastic resin layer (6) containing a nano-sized nucleating agent, and a surface protection layer (7) are laminated in this order on one surface of a colored thermoplastic resin layer (2), and colorless or light-colored ink and a material that absorbs light of a predetermined wavelength compared to the colored thermoplastic resin layer (2) are used. After forming a pattern layer (8a) by arranging a bright matte appearance pattern part (3) as a region having light absorptivity on the other surface of the colored thermoplastic resin layer in synchronization with the pattern, the pattern layer (8a) is irradiated with irradiation light of which the power of the light of the predetermined wavelength is greater than the power of the light of the other wavelengths, and then the light of the predetermined wavelength is irradiated with irradiation light of which the power is greater than the power of the light of the other wavelengths. An embossed part (7a) is formed by embossing an embossed plate for forming an embossed shape on the surface protective layer (7).

The invention discloses chemical stirring equipment for natural materials, and belongs to the field of chemical production, the chemical stirring equipment comprises a first protection box, the upper surface of the first protection box is connected with a second protection box, the inner bottom wall of the first protection box is provided with a hydraulic cylinder, and the bottom surface of the second protection box is connected with a plurality of sliding rods; the outer surfaces of the multiple sliding rods are jointly connected with a sliding plate in a sliding mode, and the output end of the hydraulic cylinder sequentially penetrates through the first protection box and the second protection box and then is connected with the bottom face of the sliding plate. The conical block can guide the sliding block to be accurately sleeved with the threaded rod during installation, the alignment efficiency during replacement is improved, the problem that a stirring barrel of traditional equipment cannot be independently replaced is solved through the design, when the stirring barrel is damaged, only the stirring barrel needs to be replaced, and the cost is reduced. And the maintenance cost and the equipment rejection rate are reduced.

We provide resin molded products that have improved long-term stability and durability, prevent structural defects, and improve aesthetics. [Solution] This is a resin molded product made by encapsulating natural materials such as hair, skin, nails, or baby teeth in resin, and has the following characteristics (A) and (B) to ensure long-term stability: (A) The encapsulated pretreated natural material has a matte surface with oil removed, improving adhesion to the resin; (B) The encapsulated pretreated natural material has been completely dried and sterilized / deodorized, so it maintains a state in which the occurrence of mold and decay due to residual moisture is suppressed.

A retaining piece (3) for food (2) suspended on a skewer (1) during transport from the kitchen to the customer's table to prevent it from slipping, characterized in that it consists of a deformable piece removably attached to the end of the skewer. The retaining piece (3) is elastically deformable and made of plastic, metal, or a natural material. The retaining piece (3) includes a hole slightly smaller than the cross-section of the skewer (1) into which the skewer is inserted and locked.

The invention relates to the field of architectural ceramics, and discloses a full-body travertine-imitating ceramic tile and a preparation method thereof.The preparation method comprises the following steps that S1, after green body powder and a pore forming agent are evenly mixed according to the mass ratio of 97-99: 1-3, the mixture is pressed into a green body; s2, drying the green body, wherein the drying temperature is 150-200 DEG C; and S3, feeding the dried green body into a kiln for firing, brushing and polishing, and edging, so as to obtain the full-body travertine-imitating ceramic tile. Wherein in the step S1, the raw materials of the pore-forming agent comprise paraffin, polyvinyl alcohol, low-melting-point glass powder and high-temperature frit; wherein the mass ratio of the paraffin to the polyvinyl alcohol to the low-melting-point glass powder to the high-temperature frit is (8-9.5): (0.1-0.5): (0.1-0.5): (0.1-1); and the melting temperature of the low-melting-point glass powder is 300-1000 DEG C. The travertine-imitated ceramic tile prepared by the invention successfully simulates a pore structure of a natural material, and artificial carving traces are avoided. Meanwhile, the proportion of all the components of the pore-forming agent is regulated and controlled, so that the low-melting-point glass powder and the high-temperature frit form a compact vitreous layer on the inner wall of a hole, and excellent stain resistance is obtained.

The utility model discloses a manual table for nature education, which comprises a base, a transmission cavity is arranged in the base, a double-thread transmission rod is rotatably arranged in the transmission cavity, two sides of the outer part of the double-thread transmission rod are in threaded connection with supporting blocks, one end of each supporting block extends to the outer part of the transmission cavity, and the other end of each supporting block extends to the inner part of the transmission cavity. Second table plates are arranged at the ends, located outside the transmission cavity, of the supporting blocks, a first table plate is arranged between the second table plates, the first table plate is attached to the second table plates, storage boxes are arranged at the four corners of the lower end of the first table plate, and butt joint boxes are arranged on the front sides and the rear sides of the lower ends of the second table plates. According to the hand-made table for nature education, the area of the hand-made table top can be increased, so that more natural materials and tools can be contained, the natural materials and the tools are prevented from being stacked together, and it is guaranteed that the sight line and operation of learners are not affected.

Flexible multilayer material (1), comprising a decorative layer (10) made of a renewable natural material and / or a textile material, a flexible base layer (20) onto which the decorative layer (10) is applied, and a support structure layer (30) made of a polymer material, which is molded onto the side of the base layer (20) opposite the decorative layer (10), wherein the support structure layer (30) consists of a plurality of adjacent but unconnected rigid segments (31), and wherein the flexible load-bearing layer (20) forms joints between the rigid segments (31) of the support structure layer (30).