16382 results about "Cellulose" patented technology

The invention relates to the technical field of agricultural product quality detection, in particular to an agricultural product quality detection method and system. The method comprises the following steps: carrying out spectrum scanning on an apple through a near infrared spectrometer, and removing baseline drift to obtain an accurate reflection correction spectrum; spectral bands of sugar, acidity and cellulose are identified based on a reflection spectrum, peak shape variation structural strength analysis is carried out, furthermore, quantitative processing of background interference bands is carried out on peak shape variation structural strength data, and unnecessary interference signals are eliminated; and finally, according to the quantitative data of the background interference wave band, constructing a quality detection and identification model, and identifying the content distribution of sugar, acidity and cellulose of the apples through the model to obtain accurate component content distribution data. The process realizes efficient and accurate quality detection, and ensures the reliability and intelligence of agricultural product quality control. The agricultural product quality detection technology is optimized, so that the agricultural product quality detection technology is more perfect.

The invention discloses a repulpable and degradable PHA heat-seal barrier coating and a composition thereof, and belongs to the field of water-based functional coatings and cellulose-based packaging materials. The coating composition is prepared from the following components in percentage by non-volatile solids: 30 to 85 weight percent of polyhydroxyalkanoate emulsion, 5 to 60 weight percent of flaky natural inorganic matters, a water-based cross-linking agent and an auxiliary agent, and 1 to 20 weight percent of ethylene-acrylic acid or ethylene-methyl acrylate dispersion can be selected. The pH value of the composition is 6.5-9.0, and organic fluorine is not artificially added. When the dry weight is 6-20 g / m, the coating meets at least one of the following four items: the water vapor transmission rate (38 DEG C, 90% RH) is less than or equal to 80 g / m.d, Cobb60 is less than or equal to 15 g / m, the oil resistance grade is greater than or equal to 11, and the laboratory repulping rate is greater than or equal to 98%; and the heat-sealing peel strength is greater than or equal to 2.5 N / 15mm under the conditions of 150 DEG C, 0.2 MPa and 0.5 s. And the coating and the stripping film thereof meet the industrial composting standard.

The invention belongs to the technical field of architectural coating and particularly relates to an elastic thermal insulating coating. The elastic thermal insulating coating comprises the following components by weight percent: 40-50% of film forming agent, 10-20% of titanium dioxide, 4-10% of hollow glass bead, 5-7.5% of filler, 3-6% of dispersing agent, 1-3% of wetting agent, 1.6-4.0% of coalescing agent, 0.1-0.2% of cellulose, 0.1-0.5% of thickening agent, 0.2-0.5% of antifoaming agent and the balance of water. According to the technical scheme, all the materials are environment-friendly, and excellent thermal insulating effect and weather resistance are achieved due to the adoption of the hollow glass bead and rutile-type nanometer titanium dioxide. The hollow glass bead coating has a broad market space.

The invention relates to the technical field of nano ceramic materials, and discloses a high-strength nano aluminum oxide ceramic product and a preparation process thereof.The preparation process comprises the following preparation steps that aluminum oxide powder, a composite binder, composite gel, a plasticizer and a solvent are mixed and subjected to ball milling, and composite slurry is obtained; placing the composite slurry in a mold, and performing mold pressing and drying to obtain a green body; and putting the green body into a high-temperature sintering furnace, carrying out high-temperature sintering, and cooling to room temperature to obtain the nano aluminum oxide ceramic product. Nano zirconium oxide and nano magnesium oxide are formed on the surfaces of the pretreated silicon carbide whiskers, and can form a solid solution with nano aluminum oxide in the sintering process to serve as a bridge of the silicon carbide whiskers and nano aluminum oxide particles, so that the binding force of the silicon carbide whiskers in a nano aluminum oxide ceramic matrix is remarkably enhanced; phosphoric acid and aluminum ammonium sulfate are firmly combined on the surfaces of nanometer aluminum oxide particles through carboxymethyl cellulose, and the situation that phosphoric acid and aluminum ammonium sulfate are not firmly combined with the nanometer aluminum oxide particles is avoided.

The invention relates to the technical field of adsorption materials, and discloses a preparation method and application of a hydrogel adsorption material prepared by copolymerizing cellulose with acrylic acid and acrylamide. The method comprises the following steps: extracting cellulose from corn straws; placing cellulose in a sodium hydroxide / urea / water system, stirring and dissolving; the preparation method comprises the following steps: uniformly mixing acrylamide and acrylic acid in water to prepare a modified solution; sequentially adding the modified solution, N, N '-methylene bisacrylamide and potassium persulfate into the cellulose solution, and stirring and mixing; putting the mixed solution into a drying oven for gelation to obtain the cellulose co-polyacrylamide and acrylic acid hydrogel adsorption material. A large number of groups such as hydroxyl and carboxyl are introduced to the surface of the hydrogel adsorption material prepared by the method, the adsorption capacities of heavy metals such as lead, cadmium and copper reach 434.8 mg / g, 277.7 mg / g and 261.8 mg / g respectively, and heavy metal ions in a water body can be effectively and quickly removed.

To provide a test method for mechanical characteristics of combined electrical, thermal and mechanical deterioration of insulating oil-paper.SOLUTION: The present invention comprises: constructing an AC and DC / thermal / mechanical stress combined deterioration experimental platform; preparing insulating oil-paper samples with different deterioration states; measuring a degree of polymerization and tensile strength test of the insulating oil-paper samples with different deterioration states; acquiring change rules of mechanical characteristics after deterioration; observing microscopic morphology diagrams and XRD spectra of the insulating oil-paper samples with different deterioration states; constructing an amorphous unit cell of a cellulose molecular chain; optimizing a structure; acquiring a cellulose model; constructing an oil-paper mixed model; performing molecular dynamics simulation on the oil-paper samples with different deterioration states based on the cellulose model and the oil-paper mixed model; and constructing the relation between the deterioration of macroscopic mechanical characteristics of insulating oil-paper and changes in microscopic physical and chemical characteristics, where a data basis and theoretical support for prediction of a life of insulating paper are provided.SELECTED DRAWING: Figure 19

The invention relates to the technical field of drilling fluids, and discloses a lignite-based modified filtrate reducer for a drilling fluid and a preparation method of the lignite-based modified filtrate reducer. The lignite-based modified filtrate reducer for the drilling fluid is obtained by stirring and mixing the lignite grafted copolymer, the hydroxy propyl cellulose and the graphene oxide, drying and crushing. The steric effect generated by an oxazine ring, a pyridine ring, a triazine ring, a benzene ring and a pyrrole ring grafted into the lignite improves the temperature resistance and salt resistance of the filtrate reducer; the dispersing capacity of clay particles in a drilling fluid system is improved through sulfonic acid hydrated groups, and high-temperature coalescence of drilling fluid clay due to the high-temperature effect is avoided; a sulfonic acid anion group and a quaternary ammonium salt cation group are introduced into the filtrate reducer at the same time, so that the filtrate reducer can form a salt internal bond under the action of electrostatic force, and the salt resistance of the filtrate reducer is improved; the nano silicon dioxide increases the rigidity of the filtrate reducer, so that the filtrate reducer is not easy to curl under the conditions of high temperature and high salt.

The invention relates to the technical field of biological medicines, and discloses a high-activity lactobacillus rhamnosus probiotic microcapsule, which comprises the following components in parts by weight: lactobacillus rhamnosus: each gram of formula contains 1010 CFU; bifidobacterium: each gram of the formula contains 109 CFU; 10% to 20% of sodium alginate; 5%-15% of chitosan; 3%-8% of hydroxypropyl methyl cellulose; 3%-7% of pectin; 5% to 10% of fructo-oligosaccharide; 5%-10% of inulin; 0.1%-0.5% of vitamin C; and 0.1%-0.3% of vitamin E. Through double-layer and three-layer embedding technologies (such as compound use of sodium alginate and chitosan and compound use of pectin and gelatin), the tolerance of the probiotics in gastric acid and bile environments is remarkably improved, the probiotics are effectively protected through a multi-layer embedding structure, the survival rate of the probiotics in the gastric environment reaches up to 90%, and the release rate in the small intestine exceeds 75%.

The invention belongs to the related technical field of microbiological treatment of soil, and discloses a method for improving microbiological sand consolidation strength based on modified plant fibers. Natural plant fibers are subjected to alkali treatment modification, so that non-cellulose components on the surfaces of the natural plant fibers are removed, the roughness and the specific surface area are remarkably improved, the interface friction force and the mechanical connection capacity between the fibers and sand particles are enhanced, more nucleation sites are provided for microorganisms to induce calcium carbonate precipitation, and the content of calcium carbonate is increased. The strength of the solidified sandy soil can be effectively improved, and the biomineralization period is greatly shortened. Meanwhile, after the modified fibers are doped into the sandy soil, a three-dimensional interlaced fiber network structure can be formed in the material in combination with a microorganism induced calcium carbonate deposition (MICP) technology, and the cohesiveness among sand grains and the mechanical property of the overall structure are effectively improved. According to the solidification method, the solidification strength of the sand column is remarkably improved, the technology is simple, green and environment-friendly, and good engineering adaptability and popularization value are achieved in the field of sand solidification.

The invention belongs to the field of paper products, and particularly relates to a heat-sealing coating composition for paper products and application of the heat-sealing coating composition, the coating composition comprises a component A, a component B, a component C and a component D, the component A is one or two of a biomass material with a dendritic or network structure or a cationized biomass material with a dendritic or network structure; the component B is selected from one, two or more of polyhydroxyalkanoate, alkyl ketene dimer, polyglycolide, polylactide, copolymer of butylene adipate and butylene terephthalate, cellulose ester and cellulose ether; and the component C is selected from one, two or more of thermoplastic cellulose and derivatives thereof, thermoplastic starch, rosin, cardanol-based epoxy resin, epoxidized soybean oil, epoxidized castor oil, tannic acid and malic acid. The coating composition is simple in preparation process and easy to industrialize, a target mixture can be obtained through physical blending, and the coating composition is low in production cost, energy-saving and environment-friendly.

The invention discloses sound-insulation and heat-insulation building mortar and a preparation method thereof, and relates to the technical field of building materials, the sound-insulation and heat-insulation building mortar comprises, by weight, 42-48 parts of a cementing material, 15-25 parts of an auxiliary material, 17-22 parts of lightweight aggregate, 30-35 parts of a functional filler, and 1-2 parts of an additive; the cementing material is a mixture of sulphoaluminate cement and Portland cement; the auxiliary material is a mixture of fly ash and quartz sand, the lightweight aggregate is a mixture of 20-40-mesh hollow vitrified microbeads and 70-90-mesh hollow vitrified microbeads, and the mass ratio of the hollow vitrified microbeads to the hollow vitrified microbeads is 1: (2-3); the functional filler is a mixture of modified waste rubber particles and modified fibers; the additive is a mixture of a polycarboxylate superplasticizer and hydroxypropyl methyl cellulose ether. The mortar disclosed by the invention is good in thermal insulation performance and excellent in mechanical property, the method disclosed by the invention is simple to operate and low in cost, and the prepared mortar is excellent in performance.

The invention relates to the field of agricultural soil improvement and ecological fertilization, and discloses an ecological fertilization method for improving the organic matter content of soil in a dry-hot valley region, and the method comprises the following steps: soil matrix improvement: improving the porosity and water binding capacity of the soil by adding charcoal and humic acid particles; the functional microbial preparation is put, and the activity of soil microorganisms is activated through the combined effect of cellulose decomposition bacteria, stabilization promoting flora and water retention flora; green manure crop planting and covering management: planting sweet clover and other leguminous crops to provide a carbon source and a nitrogen source for soil, and meanwhile, utilizing straw covering to inhibit water evaporation; turning over and stabilizing the green manure crops, namely turning over and stabilizing the organic matters in a blooming period of the green manure crops and combining with a stabilization promoting bacterial liquid and an adsorptive carrier; dynamic balance is maintained, and dynamic balance of decomposition, conversion and accumulation of organic matter is achieved step by step through multi-cycle planting and turning and pressing. The organic matter content and fertility of the soil can be improved, and the water-retaining property and microbial ecosystem of the soil are improved.

The invention relates to the technical field of multi-layer composite fabrics, and discloses a waterproof moisture-permeable composite fabric based on a bio-based material and a preparation method of the waterproof moisture-permeable composite fabric. The preparation method comprises the following steps: preparing an amino silanized zinc oxide / cellulose nanocrystal composite material, and carrying out mixed condensation polymerization on the amino silanized zinc oxide / cellulose nanocrystal composite material and vanillin cyclic carbonate to obtain an antibacterial agent; castor oil-based polyurethane, an antibacterial agent and a solvent are mixed and then subjected to electrostatic spinning, and after the electrostatic spinning and the pretreated polyester fabric are subjected to hot-pressing compounding, the obtained composite fabric has excellent waterproof and moisture permeable performance and good antibacterial performance.

The invention belongs to the technical field of sodium ion battery negative electrode materials, and particularly relates to an amylocellulose composite hard carbon material as well as a preparation method and application thereof. Pre-oxidation and pre-carbonization are carried out step by step, the starch cellulose composite hard carbon material is prepared through low-temperature pre-oxidation, a ball milling method, low-temperature pre-carbonization and a high-temperature pyrolysis method in sequence, the obtained starch cellulose composite hard carbon material is used for preparing the negative electrode of the sodium-ion battery, and then the sodium-ion battery is further constructed. An electrochemical performance test result shows that the obtained sodium ion battery has excellent first-circle coulombic efficiency, cycle performance and rate capability; moreover, the preparation method of the starch cellulose composite hard carbon material is simple to operate, can perform a pre-oxidation process in an air atmosphere, does not need additional oxidation treatment, is environment-friendly, can prevent the starch cellulose composite material from melting and foaming in high-temperature pyrolysis, improves the cycling stability of the material, and is suitable for industrial production.

To provide a label which improves recyclability of an adherent after the label is adhered, and is capable of adjusting peeling of a dummy adhesive layer and an intermediate substrate.SOLUTION: A label comprises a surface substrate, an intermediate substrate and an adhesive layer. In the label, between the surface substrate and the intermediate substrate, a first thermally curable resin layer and a second thermally curable resin layer are disposed in this order. The second thermally curable resin layer and the intermediate substrate can be peeled, and the intermediate substrate is a paper substrate. An adhesive agent constituting the adhesive layer is a re-moistened adhesive agent containing at least one selected from a group consisting of a polyvinyl alcohol-based adhesive agent, a starch-based adhesive agent, a cellulose-based adhesive agent and a polyvinyl acetate-based adhesive agent.SELECTED DRAWING: None

The invention relates to the technical field of filling materials, and particularly discloses an ardealite-based high-strength anti-seepage filling material and a preparation process thereof, the ardealite-based high-strength anti-seepage filling material comprises 50%-65% of pretreated ardealite, 15%-25% of Portland cement, 5%-15% of superfine slag powder, 5%-10% of electrolytic manganese residues, 5%-8% of silica fume, 3%-6% of metakaolin, 2%-4% of a composite alkali activator and 0.5%-1.2% of a polycarboxylic acid water reducer, 0.3%-0.8% of an organic silicon water repellent and 0.05%-0.1% of cellulose ether; according to the invention, through chemical reaction of Mn < 2 + > in the electrolytic manganese residue and SO4 < 2-> in the phosphogypsum, micron-sized manganite crystals (MnAl2 (SO4) 4. 22H2O) are generated to actively fill internal micro-cracks of the material, so that a filling body is endowed with a self-repairing function and the impermeability is improved, and a composite alkali activator composed of NaOH and water glass is used for synergistically activating potential gelling activity of the superfine slag powder and the silica fume, so that the self-repairing filling material is prepared. And the formation of hydration products is accelerated, and 0.3-0.5 T of pulsed magnetic field is applied in the stirring process, so that the manganite crystals are guided to orderly grow along the expected stress direction of the filling body, and the compressive strength is improved.

The invention provides sulfonated cellulose. The sulfonated cellulose is obtained by etherifying alkalized cellulose with water-soluble halogenated sulfonate. Compared with the prior art, the sulfonated cellulose provided by the invention contains sulfonic acid groups, hydroxyl groups and other groups, so that when the sulfonated cellulose is used in the drilling fluid, the filter loss of the drilling fluid can be effectively controlled, and meanwhile, the salt pollution resistance, especially the calcium ion pollution resistance, of the drilling fluid can be improved; in addition, sulfonic groups in the product are also beneficial to improving the thermal stability of the drilling fluid, and the application range is expanded. In a word, compared with carboxymethyl cellulose for drilling fluid, sulfonated cellulose provided by the invention has obvious temperature resistance and high-valence metal ion resistance.

The invention discloses cellulose hybrid aerogel for adsorbing microplastics as well as a preparation method and application of the cellulose hybrid aerogel. Cellulose is extracted from agricultural solid wastes, and the cellulose surface contains abundant hydroxyl groups, so that a network structure can be formed through crosslinking, and the cellulose can be used as a matrix of aerogel; vermiculite with a layered structure is used as a reinforcing component, the structural stability of the aerogel is improved through uniform dispersion in the aerogel, the specific surface area of the vermiculite is large, hydroxyl is contained in a crystal structure, hydrogen bonds can be formed for interaction, and adsorption is facilitated; polyethyleneimine is adopted as a cellulose modifier, and a large number of amino groups beneficial to adsorption are introduced, so that the adsorption performance of the aerogel can be effectively improved. According to the method, agricultural solid wastes and vermiculite are taken as raw materials, and the prepared cellulose hybrid aerogel has the advantages of high porosity, large specific surface area, convenience in recovery and the like, can form hydrogen-bond interaction and electrostatic adsorption with micro-plastics, and not only has excellent adsorption performance, but also has relatively good repeated recycling performance.

The invention discloses a complex microbial inoculant for coupling straw decomposition and soil carbon sequestration and a preparation method thereof, the complex microbial inoculant can rapidly promote degradation of lignocellulose of straw in soil by compounding bacillus subtilis, bacillus licheniformis, pseudomonas aeruginosa and the like, provides a basic material energy source for activity of soil microorganisms, and has the advantages of simple preparation process and low cost. Meanwhile, corresponding microorganisms achieve long-term storage of organic carbon through humus stabilization and mineral substance combined carbon (MAOC) stabilization, the storage efficiency of the organic carbon is remarkably improved through nano Fe3O4, and under the synergistic effect of all strains in the complex microbial inoculant, the carbon loss of straw returning can be effectively reduced, the carbon immobilization capacity of soil is improved, and the soil quality is improved. The organic carbon content in the soil is increased.

The invention discloses an absorbable suture line for surgical suture and a preparation method thereof, and relates to the technical field of medical materials. The absorbable suture line for surgical suture is prepared from the following raw materials in parts by weight: 50 to 65 parts of polylactic acid, 15 to 20 parts of polyglycolic acid, 3 to 5 parts of sodium carboxymethyl cellulose, 3 to 8 parts of a toughening agent, 3 to 6 parts of an antibacterial agent, 0.3 to 0.8 part of a lubricating agent, 1 to 2 parts of sodium hyaluronate and 5 to 10 parts of polyvinyl alcohol. The toughening agent is obtained by reacting hydroxyethyl acrylate with ethylenediamine to generate a four-arm compound and then reacting with 6-caprolactone and DL-lactide. The absorbable suture line for surgical suture prepared by the invention has excellent tensile property and antibacterial property, and can meet the application requirements of clinical medical treatment.

The invention relates to the technical field of inorganic nonmetal ceramic materials, in particular to a ceramic tile and a preparation method thereof. The ceramic tile comprises the following raw materials: 40-50 parts of waste residues, 1-5 parts of barium carbonate, 5-8 parts of feldspar powder, 0.5-3 parts of zinc oxide, 2-7 parts of pigment, 15-20 parts of modified kaolin and 1-5 parts of water. The preparation process of the modified kaolin comprises the following steps: (1) adding kaolin into deionized water, then adding octadecyl bis (hydroxyethyl) methyl ammonium chloride, stirring, filtering and drying to obtain pretreated kaolin; and (2) adding the kaolin pretreated in the step (1) into deionized water, then adding cellulose and manganous nitrate, carrying out heating reaction, and then filtering, washing and drying to obtain the modified kaolin. Cellulose is carbonized on the surface of kaolin through a hydrothermal carbonization reaction, the heat conduction efficiency of the ceramic tile is reduced, the hybridization degree of the surface structure of kaolin is further improved by adding manganous nitrate, and the strength of the ceramic tile is improved.

The invention relates to the technical field of fine chemicals, in particular to crosslinking-agent-free Pickering emulsion oil gel and a preparation method and application thereof.The preparation method comprises the following steps that S1, cellulose is subjected to TEMPO oxidation treatment and then subjected to high-pressure homogenization, and TEMPO oxidized nano cellulose is obtained; s2, mixing the TEMPO oxidized nanocellulose and lemon essential oil in proportion, and homogenizing to obtain Pickering emulsion; s3, carrying out heat preservation on the Pickering emulsion at the temperature of 70-90 DEG C for 6-12 hours to obtain Pickering emulsion gel, freezing the Pickering emulsion gel at the temperature of-80 + / -5 DEG C for 30-40 minutes until the Pickering emulsion gel is completely frozen, and carrying out freeze drying for 24-48 hours to obtain Pickering emulsion oil gel; and S4, soaking the Pickering emulsion oil gel in acetone for 6-12 hours, taking out the Pickering emulsion oil gel, and freeze-drying the Pickering emulsion oil gel for 24-48 hours to obtain the Pickering emulsion aerogel. The Pickering emulsion aerogel has better thermal stability, larger specific surface area, cumulative pore volume and average pore size, and is prepared without using a cross-linking agent for cross-linking.

The invention relates to a salt-tolerant bacillus and application thereof, and belongs to the technical field of microbial fertilizers, the salt-tolerant bacillus is preserved in China General Microbiological Culture Collection Center (CGMCC) on July 10, 2024, and the preservation number is CGMCC No.31260; the strain is relatively strong in saline-alkaline tolerance, has the capabilities of dissolving potassium, decomposing cellulose, degrading protein and dissolving organophosphorus, can antagonize various plant pathogenic bacteria such as Erwinia persicae, fusarium oxysporum and fusarium fusiforme, can generate a good growth promoting effect on corn in a salt-free or salt-containing environment, and is very wide in application prospect.

The invention discloses a high-performance green and environment-friendly single-component polymer cement waterproof dry blend and a preparation method thereof, and relates to the technical field of building materials, the high-performance green and environment-friendly single-component polymer cement waterproof dry blend comprises the following components: an inorganic cementing material, latex powder, graded quartz sand, a functional filler, cellulose ether, an organic silicon defoamer, a polycarboxylic acid water reducer and compound fibers; the functional filler is modified waste glass powder prepared through mechanical activation and silanization modification; the compound fiber is a mixture of modified glass fiber and modified polypropylene fiber; the preparation of the modified glass fiber comprises tannic acid and polyethyleneimine combined modification and graphene oxide modification, and the preparation of the modified polypropylene fiber comprises plasma activation. The polymer cement waterproof dry blend prepared by the method adopts the glass powder to replace natural mineral filler, is energy-saving and environment-friendly, and the cement matrix is modified by various fibers, so that the prepared polymer cement dry blend is excellent in comprehensive performance.

The invention discloses roe polypeptide essence water, which is prepared from a water phase component, an active component, an oil phase component, a stabilizer and a thickening agent, the water phase component is prepared from the following components in parts by mass: 60 to 150 parts of purified water, 3 to 7 parts of glycerol, 2 to 5 parts of propylene glycol, 1 to 2 parts of panthenol and 0.1 to 0.3 part of sodium hyaluronate; the oil phase component is prepared from the following components in parts by mass: 2 to 4 parts of squalane, 1 to 3 parts of jojoba oil and 0.5 to 2 parts of shea butter; the active components comprise the following components in parts by mass: 2 to 5 parts of roe extract, 0.5 to 2 parts of argireline, 0.1 to 0.5 part of oligopeptide-1, 1 to 3 parts of collagen, 0.5 to 2 parts of elastin and 2 to 5 parts of nicotinamide; 0.1 to 0.3 part of hydroxyethyl cellulose is adopted as the stabilizer; 0.2 to 0.5 part of carbomer is adopted as the thickening agent. The roe extract is rich in proteins, amino acids, fatty acids, vitamins and trace elements, and is helpful for nourishing the skin so as to provide the effects of nourishing, resisting aging, moisturizing, brightening the skin color and repairing the skin.

The invention relates to the technical field of environmental microorganisms, in particular to high-temperature-resistant bacillus subtilis and application thereof. The invention discloses a high-temperature-resistant bacillus, which is named as bacillus subtilis HY-1, has been preserved in China General Microbiological Culture Collection Center (CGMCC) on October 17, 2024, and has a preservation number of CGMCC No.32250. The invention further discloses a preparation method of the high-temperature-resistant bacillus. The invention further discloses a culture method of the bacillus, a liquid fungicide prepared from the bacillus and application of the bacillus in kitchen waste biogas residue compost and straw degradation. The high-temperature-resistant bacillus disclosed by the invention is derived from a compost indigenous strain, can reduce the inhibition effect of other indigenous bacteria, and has relatively good degradation capability and high-temperature-resistant performance on cellulose. The method has a wide application prospect in the field of kitchen waste biogas residue resourceful treatment.

The invention relates to the technical field of rubber materials, in particular to a high-wear-resistance EPDM rubber material and a preparation method thereof. The composite lignocellulose is obtained by adding lignocellulose, a sodium hydroxide solution and a tetraethoxysilane solution. And mixing the composite lignocellulose with 3-mercaptopropyltriethoxysilane, so as to obtain the modified lignocellulose. And mixing the nano silicon dioxide filler with 3-mercaptopropyltriethoxysilane, so as to obtain the modified SiO2 filler. Graphene oxide and a silane coupling agent KH570 are mixed, and the modified graphene filler is obtained. Mixing ethylene propylene diene monomer (EPDM), the modified lignocellulose and the modified SiO2 filler in advance to obtain pretreated rubber; and further mixing the pretreated rubber, the modified graphene filler and various auxiliaries to obtain a finished product. The finished product obtained by the invention has good wear resistance and mechanical properties, thereby having wide application prospects in the technical field of rubber materials.

The invention provides a thick electrode and a preparation method thereof, and a lithium battery, the thick electrode comprises a current collector and an active coating, the active coating comprises an active material, a conductive agent, a dispersant and a composite binder, the composite binder comprises a binder A and a binder B, the binder A comprises at least two of sodium carboxymethyl cellulose, a polyacrylic acid binder and an acrylonitrile multipolymer, and the binder B comprises at least one of polytetrafluoroethylene and butadiene styrene rubber. The thick electrode has the characteristics of stable structure, good conductivity and high ion transmission efficiency, and the cycling stability of the battery using the thick electrode can be improved.

The invention provides a super-hydrophobic / super-oleophylic degradable photo-thermal aerogel adsorption material and demulsification performance thereof, and belongs to the technical field of oil-water separation materials, and the super-hydrophobic / super-oleophylic degradable photo-thermal aerogel adsorption material is prepared by the following steps: (1) extracting cellulose from waste cartons and performing ultrasonic dispersion to prepare a cellulose suspension; (2) preparing a chitosan solution; (3) mixing the cellulose suspension and the chitosan solution to obtain a cellulose / chitosan composite solution, adding nano carbon black particles, glutaraldehyde and a methyltrimethoxysilane aqueous solution into the cellulose / chitosan composite solution, and stirring; (4) injecting the mixed solution into a mold, and performing directional freezing on a semiconductor refrigeration platform; and (5) performing freeze drying on the frozen sample, and then putting the frozen sample into a drying oven for cross-linking to obtain the aerogel. The aerogel is obtained by taking cellulose extracted from waste cartons and chitosan as organic frameworks, carrying out chemical crosslinking through glutaraldehyde, introducing nano carbon black particles as photo-thermal components and carrying out hydrophobic modification through methyltrimethoxysilane, and has an excellent pore structure, super-hydrophobicity-super-lipophilicity and excellent mechanical properties; the adsorbent has efficient adsorption capacity on high-viscosity crude oil; and the device can be repeatedly used and is biodegradable, so that the burden on the environment is reduced.

The invention discloses an environment-friendly slow release fertilizer and a preparation method thereof, and belongs to the technical field of fertilizer mixture preparation. The preparation method comprises the following steps: mixing and stirring a mussel extract-polysaccharide-nitrogen fertilizer complex, an inorganic fertilizer and water according to a weight part ratio of (1-2): (5-7): (15-23), heating to 50-60 DEG C to form a dispersion solution, mixing and stirring the dispersion solution and a calcium salt according to a weight part ratio of 1: (0.005-0.01), cooling to 20-25 DEG C, and reacting for 20-24 hours to obtain a viscous mixture; and drying, dewatering and crushing the viscous mixture to obtain the environment-friendly slow-release fertilizer. According to the environment-friendly slow-release fertilizer, the mussel extract with a good adhesion effect and the carboxymethyl cellulose or the hyaluronic acid with biocompatibility are used as carriers, through the synergistic cooperation of an amide structure, an imine structure and metal coordination, wrapping of a nitrogen fertilizer and an inorganic fertilizer is achieved, and finally the environment-friendly slow-release fertilizer is obtained.