90results about How to "Act as an adhesive" patented technology

The composite material is LiCoO2 powdered material with surface being coated by conductive glass layer. The method includes steps: (1) mixing the said powdered material with solution capable of generating oxide or conductive glass layer for coating surface of the powdered material; (2) adding solution of organic high molecular material to admixture in step (1) or after step (1); (3) after procedures of de-watering, firing and calcining the admixture so as to obtain coated LiCoO2. The battery includes positive pole made from the disclosed composite material. The organic high molecular material not only disperses material to be coated, but also plays function of binder so that oxide or conductive glass layer can be dispersed in solution evenly and can coat on surface of LiCoO2 powdered material evenly. The invention raises thermal stability and reserves good process performance.

The invention relates to fully-degraded disposable tableware and a manufacturing method thereof, in particular to the fully-degraded disposable tableware manufactured by taking vegetable fibers and vegetable starch as main raw materials and a manufacturing method. The fully-degraded disposable tableware is sanitary and nontoxic and is manufactured by utilizing underutilized vegetable fibers in the nature through a simple manufacturing process. After being used, the fully-degraded disposable tableware can be treated in the same mode as that of the leftover, and not only can be used as animal feeding stuffs, but also can be used as organic fertilizers to be naturalized so as to achieve a virtuous cycle of obtaining from the nature and serving for the nature truly. Moreover, the fully-degraded disposable tableware brings more convenient life style, and is good for constructing a conservation-minded society.

The invention discloses a magnesium aluminate spinel enhanced magnesia-based foamed ceramic filter with capability of realizing sintering at low temperature, excellent chemical stability and excellentthermal shock resistant performance, and a preparation method thereof. The preparation method comprises the following steps that (1) 10 to 20 percent of nanometer alumina sol, 0.8 to 1.5 percent of rheological agents and the balance of magnesium oxide ceramic powder containing a nanometer aluminum oxide sintering aid are proportioned; deionized water is added; ball milling and uniform mixing areperformed; then, through vacuum exhaust, ceramic slurry with the solid content being 60 to 70 percent is prepared; (2) a polyurethane foamed plastic template is soaked into the ceramic slurry; the polyurethane foamed plastic template is extruded through a roller press for removing the redundant leaching hanging slurry; then, biscuit is prepared; then, the biscuit is heated to 80 to 120 DEG C for drying; (3) the dried biscuit is put into a sintering furnace; the temperature is raised to 1400 to 1600 DEG C; high-temperature sintering is performed; cooling is performed along with the furnace to room temperature; the magnesia-based foamed ceramic filter is obtained.

The invention discloses a preparation method of a high-heat-conductive graphene / chopped carbon fiber composite material. By means of high heat-conductivity of graphene in in-plane direction and high heat-conductivity of carbon fibers in axial direction, the graphene layer and the chopped carbon fibers are subjected to deposition molding in a liquid phase, and by means of adhesion effect of polyimide, the carbon fibers and graphene are connected, and finally, through carbonization and graphitization, the polyimide is converted into graphene, thus manufacturing the whole-carbon high-heat-conductive composite material. A conventional graphene material has ultrahigh heat conductivity in horizontal plane due to the two-dimensional structure of graphene but is poor in heat conductivity since thegraphene is lack in heat conductive path in thickness direction; therefore, by means of the axial high heat-conductivity, the high heat-conductive paths are formed between the graphene layers, so that the heat-conductivity of the material in thickness direction is vertically improved, and the defect of poor heat conductivity in the thickness direction is overcome, thereby preparing the high-heat-conductive material.

The invention relates to the field of water and soil conservation, in particular to a growth and cultivation matrix used for the ecological remediation and a preparation method thereof. Every 1500kg of matrix comprises 30-40kg of urea formaldehyde foam particle, 60-70kg of peat soil, 20kg of organic matter, 0.5-1kg of probiotics powder, 5-10g of water-retaining agent, 5-10g of adhesive, 0.5-1g of plant growth conditioning agent and 3.203kg of trace element. The growth and cultivation matrix disclosed by the invention is favorable for remediating, improving and stabilizing bare rock and ecological fragility areas as well as other environment bad for plants to grow, and especially has an obvious remediation action on slopes, elevations and bare rock surfaces bad for the plants to grow. Meanwhile, the growth and cultivation matrix is favorable for a remediated surface to quickly form a self-supply microecosystem, and the whole curing condition and cost can be lowered.

The invention relates to the field of automobile plastic and discloses a flame-retardant high-temperature modified nylon material for automobile plastic. The material is prepared from 100-120 parts of nylon resin, 4-6 parts of inorganic filler A, 4-6 parts of inorganic filler B, 10-12 parts of polyurethane-graphene composite light foam filler, 1-2 parts of coupling agent, 1-3 parts of polyethylene wax, 0.5-1.5 parts of antioxidant, 2-4 parts of nano bamboo fiber and 1-2 parts of calcium sulfate whiskers. The inorganic filler A is selected from at least one of mullite powder, spinel powder, white corundum powder and magnesite powder. The inorganic filler B is selected from at least one of hollow glass microspheres, sepiolite powder, halloysite powder, shell powder and vermiculite powder. The prepared modified nylon material has excellent flame retardancy, high temperate resistance and physical properties, density is not obviously increased, and the nylon material has excellent denoising and heat-isolation effects and antistatic performance.

The invention provides a preparation method of a tungsten carbide-aluminum hard alloy sintering body, which comprises the following steps: evenly mixing tungsten-aluminum alloy powder, carbon powder and cobalt powder to obtain a power mixing material; pressing and forming the power mixing material to obtain a pressed blank at a pressure between 400Mpa and 500Mpa; and sintering the pressed blank under the condition that the temperature is between 1,350DEG C and 1,550DEG C and the vacuum degree is less than 1*10<-3>Pa to obtain the tungsten carbide-aluminum hard alloy sintering body. By adopting the method for preparing the tungsten carbide-aluminum hard alloy sintering body, the reaction time is shortened to 2-3 hours and further the cost is reduced; the prepared tungsten carbide-aluminum hard alloy sintering body has relatively-high density up to over 98 percent, wherein a tungsten carbide-aluminum phase and a cobalt phase are evenly distributed; and in addition, the tungsten carbide-aluminum hard alloy sintering body has high microhardness and bending strength.

The present invention provides a silver nanowire transparent conductive thin film and a preparation method thereof. The silver nanowire transparent conductive thin film comprises a substrate as well as a silver nanowire coating and a titanium oxide coating sequentially covering the substrate; and the titanium oxide coating and silver in the silver nanowire layer form a structure similar to Ag-Ti alloy valence bond. According to the silver nanowire transparent conductive thin film and the preparation method thereof, the titanium oxide layer (TiOx) is introduced, and the titanium oxide layer and the silver in the silver nanowire layer form the structure similar to the Ag-Ti alloy valence bond, and therefore, on the one hand, electrical effective connections between silver nanowires can be enhanced, and the functions of a binder are realized, and the uniformity of the electric conduction of the transparent conductive thin film can be increased, and on the other hand, the optical transmittance of the TiOx layer is excellent, the transmittance of the thin film will not be decreased significantly; and the TiOx layer can protect the silver nanowire transparent conductive film thin from being oxidized, so that the stability of the thin film can be improved.

The invention discloses a lithium battery current collector and a preparation method thereof. The lithium battery current collector comprises a metal foil and a chelating agent layer which is coated on at least one surface of the metal foil; the specific preparation method of the novel current collector comprises the following steps of dispersing the chelating agent in a solvent to prepare a chelating agent dispersion liquid, and then coating the dispersion liquid on at least one surface of the metal foil, and carrying out heat treatment to prepare the novel lithium battery current collector;the chelating agent has a carboxyl group, an amino group and other functional groups, and can interact with a carboxyl group or a hydroxyl functional group on the surface of a binder and the surface of an active substance, and meanwhile, a relatively strong complexting effect is achieved between the chelating agent and the foil material metal surface (residual metal ions), so that the effect of the binder is achieved; a small amount of chelating agent is coated on the surface of the metal foil, so that the bonding force between the electrode slurry and the current collector foil can be greatlyimproved, and the cycle life and the rate performance of the battery can be prolonged and improved under the condition that the energy density of the battery is kept unchanged.

The invention relates to a preparation method of a novel high-selectivity acetone gas sensitive sensor and is suitable for the field of preparing a gas sensing apparatus with a high selective characteristic on acetone steam. The preparation method comprises the following steps: by adopting a sol-gel method, adding hexadecyl trimethyl ammonium bromide in a process of preparing Zn(OH)2 colloid; thendrying and grinding the colloid, cleaning the colloid and carrying out annealing at high temperature; coating a ceramic tube with the prepared material through hexadecyl trimethyl ammonium bromide; and preparing a gas sensitive sensor after low-temperature annealing; and then carrying out aging. In the colloid preparation process, hexadecyl trimethyl ammonium bromide is added to generate a stablecolloid favorably; the ceramic tube is coated with the mateiral by using hexadecyl trimethyl ammonium bromide which plays a binding role; moreover, through low-temperature annealing, the selectivityof the gas sensitive element can be improved by means of hexadecyl trimethyl ammonium bromide. The gas sensitive element prepared by the method has a sensitive characteristic on acetone steam, and candetect the acetone steam from much organic steam.

The invention relates to a preparation method of melbinum osmotic pump controlled release tablets for treating type 2 diabetes. The preparation method comprises the steps of preparing tablet cores, coating semi-permeable membrane layers, perforating, drying and coating damp-proof layers, characterized in that when the tablet cores are prepared, a medicinal salt of melbinum and a nonionic surfactant are added, and the nonionic surfactant accounts for 2-20wt.% of the medicinal salt of melbinum. The medicament disclosed by the invention has stable release, no irritation on intestinal tracts and few times of administration, is acceptable by patients, and greatly improves the compliance of patients.

The invention discloses a basic magnesium sulfate whisker in-situ synthesized magnesium-aluminum spinel reinforced magnesium oxide based foamed ceramic filter that can realize sintering at lower temperature and has excellent chemical stability and thermal shock resistance and a preparation method thereof. The preparation method comprises the steps of: (1) by mass percentage, blending 15%-25% of nano-aluminum sol, 0.8%-1.5% of a rheological agent, and the balance magnesium oxide ceramic powder containing basic magnesium sulfate whisker, adding anhydrous ethanol, performing ball-milling and uniform mixing to obtain a ceramic slurry with a solid content of 60%-70%; (2) immersing a polyurethane foam plastic template into the ceramic slurry, extruding the polyurethane foam plastic template by aroller press to remove redundant hung slurry for making a green body, then removing an ethanol solvent in a 40DEG C-50DEG C ventilation room, and drying the green body; and (3) putting the dried green body into a sintering furnace, performing heating to 1350DEG C-1550DEG C for high temperature sintering, and conducting furnace cooling to room temperature, thus obtaining the magnesium oxide basedfoamed ceramic filter.

The invention discloses an alumina short fiber-reinforced magnesium oxide-based crucible which is excellent in chemical stability and thermal shock resistance, and can realize sintering at a low temperature and a preparation method thereof, the method comprises the following steps: (1) proportioning, by mass, 15% to 25% of nano-aluminum sol, 0.8% to 1.5% of a rheological agent, and balance of electro-fused magnesium oxide ceramic powder containing nano-lanthana and alumina short fiber, adding an appropriate amount of deionized water, uniformly mixing by ball milling, and vacuum degassing to obtain a ceramic slurry having a solid content of 70% to 80%; (2) preparing a crucible biscuit; (3) preparing a crucible blank; and (4) putting the magnesium oxide-based crucible blank in the aluminum sol for vacuum impregnation treatment, grinding the surface, drying, performing high-temperature secondary sintering at a temperature of 1400 to 1600 DEG C, and cooling in a furnace to room temperatureto obtain the magnesia-based crucible.

The invention discloses a MA-MF composite spinel reinforced magnesium oxide based foam ceramic filter capable of realizing low temperature sintering and excellent chemical stability and thermal shockresistance and a preparation method thereof, the preparation method comprises the following steps: (1) proportioning 15% to 25% by mass of nano-aluminum sol, 0.8% to 1.5% by mass of a rheological agent, and balance of magnesium oxide ceramic powder containing a nano-ferric oxide sintering aid, and adding anhydrous ethanol for even mixing by ball milling to obtain ceramic slurry having a solid content of 60% to 70%; (2) immersing a polyurethane foam plastic template into the ceramic slurry, extruding the polyurethane foam plastic template by a roll press to remove excess immersing slurry to obtain a green body, and removing an ethanol solvent in a ventilating chamber at 40 DEG C to 50 DEG C to dry the green body; and (3) putting the dried green body in a sintering furnace, heating to 1350 to 1550 DEG C for high temperature sintering, and cooling in the furnace to room temperature to obtain the magnesium oxide based ceramic foam filter.

The invention discloses a magnesium oxide whisker in-situ synthesized spinel reinforced magnesium oxide-based crucible which can be sintered under low temperature and is outstanding in chemical stability and thermal shock resistance and a preparation method of the crucible. The method comprises the following steps: (1) mixing 15-25% by mass of nano alumina sol, 0.8-1.5% by mass of a rheological agent, and the balance of nanometer titania sintering additive containing magnesium oxide ceramic powder; adding absolute ethyl alcohol; performing ball milling; uniformly mixing to obtain ceramic sizing containing 65-75% of solid content; (2) preparing a crucible biscuit; (3) preparing a crucible blank; (4) preparing vacuum infiltration on the magnesium oxide-based crucible blank in the aluminum sol; polishing the surface; drying; then sintering for the second time under high temperature of 1350-1550 DEG C; then cooling along with the furnace until room temperature so as to obtain the magnesiumoxide-based crucible.

The invention provides a frost crack preventive pavement construction material, comprising the following materials according to parts by weight: cement, weathered quartz sand, quick lime, aluminum paste, gypsum, a stone cracking agent, an inhibitor and a water reducing agent, wherein dry components of this material further include water. The specific preparing steps include: mixing the weathered quartz sand and the gypsum, conveying a mixture to a ball mill, adding water, and ball milling to obtain pulp; crushing and ball milling to the quick lime to obtain quick lime powder; mixing the water and the aluminum paste according to a mass ratio of 8-10:1, and stirring to obtain aluminum slurry; adding the cement, the quick lime powder, the pulp, the stone cracking agent and the water into a stirring tank, mixing and stirring, heating to 40-50 DEG C, adding the aluminum slurry into the stirring tank, continuing to stir, standing in a pre-curing room at room temperature of 40-50 DEG C, and after slurry coagulates, controlling expansion rate of coagulum to 12-15% so as to finish the preparation of this material. This material of the invention is easy to obtain and low in price, the process is simple, and the material is readily prepared for use.

The present invention discloses a hyaluronic acid-containing pet molar rod composition as well as a preparation method and applications thereof. The hyaluronic acid-containing pet molar rod composition comprises meat powder and hyaluronic acid containing thallus crushing substances or salts thereof; the composition uses viscosity of hyaluronic acid and thallus crushing substances to replace starch, gel and other adhesives or forming agents, and after the molar rod is prepared, due to rich hyaluronic acid, the molar rod can inhibit bacteria, diminish inflammation, remove halitosis, protect gingiva and oral mucosa and also has the health-care effects of brightening hair and strengthening bones after being digested and absorbed, the unicity of the function of a traditional molar rod is improved, thalli are not removed in the preparation process, cost is saved, resources are fully utilized, and the molar rod has better nutrition and palatability; the effect of an adhesive can be achieved;and more importantly, the crushed thallus can form relatively hard particles after being dried, so that residues, tartar or dental plaque on the teeth of the pet can be effectively removed.

The invention discloses a thermoplastic polyurethane elastomer and a preparation method thereof. The thermoplastic polyurethane elastomer is prepared from the following components in parts by weight:22 to 45 parts of diisocyanate, 45 to 63 parts of polyester polyol, 5 to 12 parts of chain extender, 2 to 5 parts of anti-aging agent, 20 to 28 parts of EPDM (ethylene-propylene-diene monomer), 10 to17 parts of elastic modifying group, 2 to 4 parts of white carbon black, 1 to 6 parts of vinyl silicone oil, and 3 to 5 parts of crosslinking agent, wherein the number-average molecular weight of theEPDM is 150000 to 200000, and the Mooney viscosity ML+4 is 48 at the temperature of 125 DEG C. The preparation method comprises the following steps of mixing and stirring the components for 1 to 2h; uniformly mixing the pre-stirred mixture, ash antimony powder and vulcanized nickel power mixture, and anti-cracking fiber group, adding into a double-screw extruder for extruding, and granulating, soas to obtain the thermoplastic elastomer. The thermoplastic polyurethane elastomer has the advantages that the anti-abrasion property, tensile strength and anti-tearing property are excellent; the thermoplastic polyurethane elastomer is suitable for meeting different working environment requirements; the effective resistance to scratch and damage of the product is improved, and the service life ofthe product is prolonged.

The invention relates to a thin film packaging structure, a device packaging method and an application. The thin film packaging structure includes an inorganic packaging layer, an organic packaging layer, and a barrier layer. The method of combining the organic packaging layer and the inorganic packaging layer by attaching and hot pressing can replace a traditional method for manufacturing the organic packaging layer by inkjet printing, not only avoid various defects caused by abnormal inkjet and improves the process stability and the product yield of film packaging, but also saves consumables, reduce equipment, process and raw material costs. In addition, because there is no need to consider the wettability between the organic ink and the inorganic packaging layer, multiple organic packaging materials can be selected, for example, a material with a better water-oxygen barrier effect and lower cost can be selected to improve product performance and further reduce costs.

The invention provides a color enhancing feed for guppies, and a preparation method of the color enhancing feed. The color enhancing feed is prepared from the following components by mass percent: 45-50% of fish meal, 10-20% of corn flour, 10-15% of soybean meal, 5-8% of yeast powder, 10-12% of starch, 2-3% of fish oil, 5-8% of flour, 0.5-0.8% of multivitamins, 1-1.2% of minerals, 0.01% of xanthophyll and 0.01% of astaxanthin. According to a formula of the color enhancing feed for the guppies, the yeast powder is added into the feed, so that the growth and development of the guppies are promoted; the starch and the flour are added into the feed, thus not only providing energy for the guppies, but also playing a role of an adhesive in a granulating process of the feed; the xanthophyll is added into the feed, so that the activity of digestive enzyme is improved, and the feed is promoted to be digested; the astaxanthin is added into the feed, thus not only enabling the appearance of the guppies to be brighter, but also reducing the morbidity of the guppies and enhancing the stress resistance of the guppies; furthermore, the xanthophyll is combined with the astaxanthin, so that the effect of enhancing the color of the guppies is more obvious.

The invention discloses a method for recycling desilication wastewater by produced capacitance carbon, and belongs to the field of biomass energy chemical industry. The method includes the steps: (1)performing thermolysis on a biomass to generate thermolysis gas and thermolysis carbon; (2) dissolving out silicon dioxide by the thermolysis carbon, adsorbing pale yellow wastewater containing sodiumsilicate by the thermolysis carbon, adding acid to precipitate to prepare a C / SiO2 composite material precursor, and crushing and modifying the precursor to prepare a C / SiO2 composite material. The desilication wastewater is adsorbed by the thermolysis carbon, the acid is added, the acid and the silicon dioxide are co-precipitated to prepare uniformly dispersed non-agglomerated C / SiO2 composite material precursor, and the precursor is crushed and modified to prepare the C / SiO2 composite material. The method solves the problem that the environments are polluted by the desilication wastewater,and biomass chemical products with high additional values are prepared.

The invention discloses a double fungus particle suspending beverage and a preparation method and application thereof, belonging to the technical field of beverage processing. The double fungus particle suspending beverage comprises the following components in percentage by weight: 50%-90% of a black fungus extracting solution, 0.2%-1.0% of black fungus particles, 0.2%-1.0% of white fungus particles, 2%-10% of white granulated sugar or 0.01%-0.05% of a sweetening agent, 0.03%-0.11% of citric acid, 2%-6% of honey, 0.04%-0.06% of carrageenan, 0.015%-0.035% of xanthan gum, and the balance of water. The double fungus particle suspending beverage is colorless and transparent, is in a state of suspension, is uniform in texture, has natural aroma of honey and cool and refreshing mouthfeel and tastes slightly sweet.

The invention discloses a traditional Chinese medicine composition, and in particular discloses a fuming drug for treating frostbite. The fuming drug for treating frostbite is characterized by comprising main ingredients and auxiliary ingredients, wherein the main ingredients comprise Atractylis ovata, Agastache rugosa, Eupatorium fortunei, Cyrtomium fortunei, Folium Artemisiae argyi, Asarum sieboldii, Magnolia officinalis, Gleditsia sinensis, Aconitum carmichaeli and potassium nitrate; and the auxiliary ingredients include Siberian elm bark and carbon black. The fuming drug provided by the invention is specialized in frostbite treatment, the treatment effect of the fuming drug is improved on the basis of the mutual synergistic action or resistance of the drugs which are appropriately matched, so as to meet the treatment requirements of complex patient conditions and reduce adverse effects. The fuming drug has significant effect and functions of invigorating blood circulation, removing blood stasis, realizing detumescence, relieving pain and relieving itching, exerts treatment effect quickly when applied externally, is convenient to use, and has a better treatment effect on frostbite. The total effective rate is 98% in total 560 cases.

The invention discloses a preparation method of a zirconium dioxide short fiber and basic magnesium sulfate whisker composite enhanced magnesia-based crucible which can be sintered at the low temperature and has excellent chemical stability and thermal shock resistance. The method comprises steps as follows: (1) 15%-25% of nano aluminum sol, 0.8%-1.5% of a rheological agent and the balance of fused magnesia ceramic powder containing nano lanthanum oxide, zirconium dioxide short fiber and basic magnesium sulfate whisker are prepared in percentage by mass, deionized water is added, the mixture is subjected to ball milling and mixed uniformly, then, vacuum exhausting is performed, and ceramic slurry with the solid content of 70%-80% is prepared; (2) a crucible biscuit is prepared; (3) the dried biscuit is put in a sintering furnace to be sintered at the high temperature and then cooled with the furnace, and a magnesia-based crucible blank is obtained; (4) the magnesia-based crucible blankis subjected to vacuum impregnation treatment in aluminum sol, then, surface polishing treatment is performed, high-temperature secondary sintering is performed after drying, a product is cooled withthe furnace to the room temperature, and the magnesia-based crucible is obtained.

The invention discloses a ceramic product with lasting fragrance. High-aluminum fine powder serves as a main raw material, and fly ash, shell powder and other cheap and readily available raw materials are added, so that not only can the environmental pollution be reduced, but also the cost is greatly reduced. Due to the added waste glass, a glass core is formed in the sintering process and achieves an adhesive effect, so that the smooth performance, cracking resistance and impact resistance on the ceramic surface are improved; incense, medical stone powder, white glaze balls and the like are glazed on the ceramic surface, so that the fragrance of the ceramic and the lasting fragrance are improved, and the incense has the effects of helping sleeping and repelling mosquitoes, so that the human sleep is promoted; moreover, the ceramic product is simple in preparation method, low in cost, environmentally friendly and non-toxic, and any harmful substance polluting the environment is not produced.

The invention discloses a preparation method of a high-strength protective fabric with quantitative tension. The preparation method comprises the following steps of 1, taking bamboo pulp fiber and flax fiber, putting the bamboo pulp fiber and the flax fiber into a 10 g / L sodium periodate solution, and oxidizing for 1 h in a dark place at 40 DEG C to obtain oxidized bamboo fiber, wherein the mass ratio of the bamboo pulp fiber to the flax fiber to the sodium periodate solution is 1: 1: 4; and 2, putting the oxidized bamboo pulp and flax fiber into a 0.1 mol / L lycerol solution to be soaked for 30 min, then washing the soaked oxidized bamboo pulp and flax fiber with 100 g of deionized water for 3-5 times, and drying to obtain the oxidized bamboo pulp and flax fiber. According to the preparation method, the bamboo pulp fiber has a long fiber mesoporous structure, has many pores, has strong air permeability, hygroscopicity and wear resistance, can rapidly absorb sweat steam discharged by ahuman body and discharge the sweat steam to the outside, adjusts the microclimate between clothes and the human body and improves the comfort; and in addition, the flax fiber is added, the advantage that flax cloth is high fiber strength and not prone to being worn is used for improving the mechanical property of the textile fabric, and meanwhile, the higher tensile property is also ensured.

The invention discloses a layered elastomer. A thermoplastic polyester elastomer is used as a raw material to extrude a long fiber yarn, the layered elastomer with a certain thickness after being crimped and bonded is formed, the front and back surfaces of the layered elastomer are respectively high-hardness and low-hardness fiber layers, the middle in the thickness direction is a staggered layerin which different-hardness fibers are interpenetrated and bonded, and a supporting factor testing with a low-hardness surface is 4.0 or more. Compared with high-hardness polyester elastomer fibers, low-hardness polyester elastomer fibers have higher resilience, flexibility and durability, parts with insufficient indentation hardness rely on the high-hardness polyester elastomer as a support layerto improve the overall hardness of the whole product, in the case of the low-hardness fiber layer facing upward, the low-hardness fiber layer in the initial stage of compression can give a user a softer contact experience, after a user sits stably in compression later state, the staggered layer can give a customer a soft and moderate experience, the high-hardness fiber layer can give the user a harder and more supportive experience, and the user experience is comfortable.