912 results about "Chemical modification" patented technology

The invention relates to a high-strength stable solid waste-based composite cementing material and a preparation method and application thereof in the field of building materials. The high-strength stable solid waste-based composite cementing material is prepared from the following raw materials in parts by weight: 70-85 parts of composite solid waste micro powder; 10 to 20 parts of Portland cement clinker; 3-8 parts of a composite activator; 0.5 to 2 parts of a nano-scale function regulator; wherein the composite solid waste micro powder is prepared by mixing and grinding the following raw materials in parts by weight: 40-60 parts of blast furnace slag powder; 20 to 30 parts of fly ash; 10-20 parts of chemically modified electrolytic manganese residue powder; and 5-15 parts of steel slag powder. According to the preparation method, sodium metasilicate is adopted to assist medium-temperature calcination to chemically modify the electrolytic manganese residues, so that not only is the gelation activity of the electrolytic manganese residues effectively excited, but also free-state manganese, cadmium and other heavy metal ions in the electrolytic manganese residues are fixed in situ in newly formed zeolite-like silicate mineral lattices through thermochemical reconstruction; and a brand new technical path is opened up for safe and high-value utilization of the typical hazardous waste, namely the electrolytic manganese residues.

The invention belongs to the technical field of novel adsorption materials, and particularly relates to needle-punched cloth for extracting uranium from seawater based on dry-process PAN fibers and a preparation method and application of the needle-punched cloth. The needle-punched fabric for extracting uranium from seawater comprises chemical modified functional fibers and supporting fibers, the chemically modified functional fiber with amidoxime groups is obtained by chemically modifying a dry polyacrylonitrile short fiber. The invention discloses the needle punched cloth for extracting uranium from seawater based on the dry PAN fiber for the first time, the material has the advantages of low production cost, batch production and large-scale implementation, can be directly soaked in seawater, can be rolled into components such as a filter element and the like, and can be used for enriching and separating uranium from seawater in forms of single-layer filtration, multi-stage filtration and the like; the industrial popularization and application are easy.

The invention belongs to the field of oilfield chemistry, and discloses development and a method of a gel breaker for recycling drilling fluid, and the preparation method comprises the following steps: (1) contacting chitosan with a modifier under an alkaline condition for chemical modification to obtain O-carboxymethyl chitosan; and (2) carrying out radical polymerization on the obtained O-carboxymethyl chitosan and a quaternary ammonium salt monomer in an acid environment under the action of an initiator to obtain the gel breaker.

To provide a pressure-sensitive adhesive sheet capable of suppressing heavy peeling even when using an aqueous pressure-sensitive adhesive composition.SOLUTION: A pressure-sensitive adhesive sheet according to an embodiment of the present invention includes: a base material; and a pressure-sensitive adhesive layer formed of a water-dispersible pressure-sensitive adhesive composition containing a water-dispersible polymer, wherein a surface concentration of a carboxyl group on a surface of the pressure-sensitive adhesive layer obtained by an X-ray photoelectron spectroscopy (ESCA) gas phase chemical modification method is a detection limit value or less.SELECTED DRAWING: Figure 1

The invention relates to the technical field of material surface engineering, and discloses a plastic surface treatment process to solve the problems that in the prior art, a plastic surface coating is poor in adhesive force and single in function, and a traditional treatment method is not environmentally friendly. The process sequentially comprises the following steps: pre-treating a base material, and obtaining a clean and stress-free base material through ultrasonic cleaning and thermodynamic stress elimination; performing low-temperature plasma surface activation, performing physical bombardment and chemical modification on the plastic surface by utilizing plasma of specific process gas in a vacuum environment, introducing a large number of active functional groups, and remarkably improving the surface energy; and preparing and applying the functional nano coating, namely forming firm covalent bonds by using the coupling agent in a coating solution containing functional nano particles and a coupling agent and the anchor points, so that the chemical coupling of the functional coating and the plastic substrate is realized.

The invention discloses a method for preparing micro-nano fibers through needle-free electrostatic spinning equipment assisted by an ion blower gun, and belongs to the technical field of spinning. The method specifically comprises the following steps: S1, dissolving a high-molecular polymer in a proper solvent to prepare a spinning precursor solution; and S2, preparing the micro-nano fiber from the spinning solution on a suitable collection surface by using an ion blower gun assisted needleless electrostatic spinning device. Through the synergistic effect of directional airflow generated by the ion blower gun and a controllable electric field, fiber surface charges are effectively neutralized, the jet instability is inhibited, and the controllability of a fiber flight path is improved. Meanwhile, the ionic wind assists in enhancing interface attachment between the fiber and the collector, uniform deposition is promoted, and the compactness and adhesive force of the fiber membrane are remarkably improved. According to the method, chemical modification does not need to be carried out on a material system, the intrinsic performance of the fiber is kept, universality and expandability are achieved, and a new path is provided for continuous preparation of the high-performance micro-nano fiber.

The embodiment of the invention provides a connecting unit for chemical modification of a nucleic acid end group, a preparation method of the connecting unit and a nucleic acid probe. The connecting unit for chemical modification of the nucleic acid end group has a triethylene glycol structure, and the connecting unit has the following structure. Therefore, the connecting unit with the triethylene glycol structure is relatively simple in synthesis process, relatively high in yield, efficient in synthesis, good in nucleic acid end group chemical modification effect, applicable to connection of various types of probe molecules and nucleic acid molecules, capable of simply and efficiently preparing nucleic acid probes and wide in application range.

The present disclosure provides double stranded oligonucleotides, compositions, and methods relating thereto. The present disclosure encompasses the recognition that structural elements of double stranded oligonucleotides, such as base sequence, chemical modifications (e.g., modifications of sugar, base, and / or internucleotidic linkages) or patterns thereof, and / or stereochemistry (e.g., stereochemistry of backbone chiral centers (chiral internucleotidic linkages), and / or patterns thereof, can have significant impact on oligonucleotide properties and activities, e.g., RNA interference (RNAi) activity, Ago2 loading, thermal stability, in vivo stability, delivery to tissues and into cells, etc. The present disclosure also provides methods for treatment of diseases, e.g., hepatic diseases, central nervous system (CNS) diseases, etc., using provided double stranded oligonucleotide compositions, for example, in RNA interference.

The invention provides an influenza vaccine adjuvant based on lentinan as well as a preparation method and application thereof. The active ingredient of the vaccine adjuvant is lentinan, the lentinan is extracted from fresh lentinus edodes through a water extraction and alcohol precipitation method, no additional chemical modification is needed, the vaccine adjuvant can be used for preparing the influenza virus vaccine, and the influenza virus vaccine at least contains one of three inactivated influenza virus antigens, namely H1N1 A, H3N2 A and Victoria B. The invention also provides a vaccine preparation and a preparation method thereof, the vaccine preparation comprises the vaccine adjuvant and an influenza virus vaccine, the content of lentinan in the vaccine preparation is 4 mg / mL, and the vaccine preparation has an immunological enhancement effect.

The invention discloses a surface lipophilic modified barite weighting material as well as a preparation method and application thereof, and belongs to the technical field of drilling fluids. The surface lipophilic modified barite weighting material comprises barite and a surface modifier, and the surface modifier comprises a copolymer formed by polymerizing a monomer A, a monomer B, a monomer C and a monomer D. According to the invention, the lipophilicity of the barite is chemically modified by the surface modifier, and all monomers have a synergistic effect, so that when the grafted and modified barite weighting material is used as the weighting agent of the oil-based drilling fluid, the dispersity and the stability of particles in the oil-based drilling fluid can be improved, and the rheological property, the plugging property and the high-temperature resistance of the drilling fluid can be adjusted.

The invention belongs to the field of coatings, and discloses a broad-spectrum ultraviolet absorbent with a sandwich structure as well as a preparation method and application of the broad-spectrum ultraviolet absorbent. An ultraviolet absorbent is adsorbed on the upper surface and the lower surface of graphene oxide through the action of a hydrogen bond and a pi-pi bond to form a compact ultraviolet absorbent layer, then the surface of graphene oxide is chemically modified through a diamine compound, amino is grafted, and the wide-spectrum ultraviolet absorbent of a'discrete point / surface / discrete point 'sandwich structure is obtained. The ultraviolet absorbent filler, the cardanol-based reactive diluent and the epoxy resin are compounded, so that the ultraviolet aging resistance, the barrier corrosion resistance and the hydrophobicity of the prepared composite coating are synergistically enhanced and exceed those of an anti-ultraviolet epoxy coating material reported at present.

The invention relates to the cross technical field of industrial solid waste resource utilization and environmental pollution abatement, and discloses a modified fly ash environmental remediation material as well as a preparation method and application thereof. According to the material, industrial solid waste fly ash is used as a raw material, a glass body structure is destroyed through physical or chemical modification treatment, the specific surface area is increased, active functional groups such as surface hydroxyl groups are enriched, and the adsorption and fixation capacity on heavy metal lead (Pb < 2 + >) and cadmium (Cd < 2 + >) is remarkably improved. The chemical modification adopts an acid solution or an alkali solution, and the preparation method comprises the steps of raw material pretreatment, modification reaction, solid-liquid separation and washing, and drying and screening. When the material is applied to heavy metal contaminated soil remediation, heavy metal in an ion exchange state is promoted to be converted into a stable residue state, the bioavailability and the leaching risk of the heavy metal are remarkably reduced, meanwhile, high-added-value resource utilization of the fly ash is achieved, and the material has environmental, economic and social benefits and is suitable for large-scale remediation of Pb and Cd single or combined contaminated soil.

The invention discloses an ultrahigh-temperature and high-salinity water-based guanidine gum fracturing fluid and a preparation method thereof. The guanidine gum fracturing fluid is prepared from a base fluid, a buffering agent, a cage-shaped molecule composite cross-linking agent and a gel breaker according to the mass ratio of 100: (0.1 to 0.6): (0.2 to 0.8): (0.01 to 0.08), the base solution is prepared from the following components in percentage by weight: 0.55 to 0.6 percent of a cyclodextrin modified thickening agent, 0.1 to 0.6 percent of a composite antioxidant, 0.4 to 0.8 percent of a multi-effect auxiliary agent, 0.1 to 0.2 percent of a sterilizing agent and the balance of hypersalinity water. According to the ultrahigh-temperature hypersalinity water-based guanidine gum fracturing fluid, through chemical modification of the guanidine gum thickening agent and synergistic interaction of various additives, the ultrahigh-temperature hypersalinity water-based guanidine gum fracturing fluid can resist the temperature of 200 DEG C, can be directly prepared by using hypersalinity water, realizes good fracture forming, sand carrying, temperature resistance and shearing resistance, and is low in filtration loss and damage; and the requirements of fracturing construction of ultra-deep ultra-high-temperature low-permeability reservoirs of offshore and onshore oil fields are met.

The invention discloses a preparation method of a shape memory polymer nanorod array, and belongs to the technical field of bionic adhesive materials. According to the method, on the basis of an anodic aluminum oxide template, hydrophilic or hydrophobic chemical modification is carried out on the surface of the anodic aluminum oxide template, the surface wettability of a template pore channel is adjusted, and then the permeation behavior of an epoxy resin precursor in the pore channel is controlled. The preparation method comprises the following specific steps: modifying an AAO template, preparing and defoaming an epoxy resin mixture, filling the template, curing, removing an aluminum substrate, dissolving an aluminum oxide layer, and finally obtaining the shape memory polymer nanorod array with high Young modulus (1-20 GPa). According to the method, a template method is combined with chemical modification, the process steps are clear, the conditions are mild, the method is particularly suitable for preparing a hard micro-nano composite structure matched with the mechanical property of a gecko script characteristic material, and an effective technical support is provided for research of a high-performance dry adhesive material.

The invention belongs to the technical field of natural textile material modification, and particularly relates to a preparation method of bio-enzyme synergistic microorganism modified high-toughness mudar floss, which comprises the following steps: taking mudar floss as a raw material matrix, specifically providing clean mudar floss, and performing opening and activating treatment; performing solid-state fermentation treatment on the mudar floss by using brown rot fungi, specifically, inoculating activated brown rot fungi into the mudar floss for solid-state fermentation, and selectively degrading non-lignin impurities such as hemicellulose and the like; according to the preparation method of the high-toughness calotropis gigantea fiber modified by the bio-enzyme and the microorganisms, a biological method is adopted in the whole process, environmental pollution and fiber damage caused by traditional chemical modification are avoided, the process is mild and clean, a three-step synergistic strategy of brown rot fungus pretreatment, compound enzyme fine trimming and tannic acid toughening is innovatively adopted, and the method is suitable for industrial production. The brown rot fungi create a channel for subsequent enzyme reaction, enzyme treatment exposes active sites for tannic acid cross-linking, progressive layer by layer, high efficiency and remarkable effect are achieved.

The invention relates to the technical field of sound insulation materials, in particular to flame-retardant epoxy resin composite diatomite sound insulation cotton and a preparation method thereof. The flame-retardant epoxy resin composite diatomite sound insulation cotton is prepared from epoxy resin, diatomite, a composite flame retardant, a coupling agent, a curing agent, a diluent, a foaming agent and a charring agent. The composite flame retardant at least comprises ammonium polyphosphate and melamine; the coupling agent is a silane coupling agent or a titanate coupling agent; the curing agent is methyl tetrahydrophthalic anhydride; the diluent is n-butyl glycidyl ether; the foaming agent is azodicarbonamide; the charring agent is pentaerythritol. By optimizing the diatomite modification process and combining physical dispersion and chemical modification means, the compatibility of the diatomite and the epoxy resin is greatly improved, the pain point of filler agglomeration in the traditional process is thoroughly solved, the porous sound insulation potential of the diatomite is fully released, and the sound absorption and sound insulation performance of the material is qualitatively improved.

The invention discloses a modified fly ash adsorbent for carbon dioxide capture and a preparation method and application thereof.The preparation method comprises the steps that original fly ash is ground into fly ash fine powder, the fly ash fine powder is subjected to stepped heating fluidization calcination in the N2 atmosphere containing water vapor, then microwave crushing treatment is conducted, and fly ash subjected to physical reaming treatment is obtained; carrying out alkali fusion reaction on the coal ash subjected to physical chambering treatment and alkali at high temperature, then alternately pickling by using two different acids to remove impurities, and carrying out oxidation treatment by using an oxidizing solution to increase surface alkaline sites and chemical activity so as to obtain chemically modified coal ash; loading a functional reagent on the chemically modified fly ash, reacting at a preset temperature, then adding a metal ion solution to carry out ion exchange, and then drying and carrying out hydrophobic modification to obtain the modified fly ash adsorbent. According to the invention, physical-chemical synergistic modification of fly ash is adopted to prepare the adsorbent with high adsorption performance, and the adsorbent is applied to capture of carbon dioxide.

The invention relates to the technical field of pavement materials, in particular to a regenerated cement stabilized macadam mixture and a preparation method thereof. The mixture is prepared from chemical enhanced recycled coarse aggregate, basalt fiber and other raw materials, and the chemical enhanced recycled coarse aggregate is prepared through the steps of hydrochloric acid solution treatment, chemical modification solution soaking and the like. The preparation method comprises the following steps: weighing the raw materials according to the ratio, mechanically stirring part of the raw materials uniformly, adding the polycarboxylate superplasticizer, stirring, adding water, and stirring. The mixture has remarkable advantages, realizes efficient recycling and reusing of waste resources, improves the resource utilization rate, improves the pavement performance, reduces the maintenance cost, reduces ecological damage and environmental pollution, meets the environmental protection requirements, reduces the raw material and road maintenance and repair cost, has good economic benefits, and provides an effective scheme for sustainable development of related fields.

The invention discloses modified biochar as well as a preparation method and application thereof, and belongs to the technical field of aerobic composting additives, the preparation method of the modified biochar comprises the following steps: adding corn straw biochar into a Na2HPO4 solution according to a solid-to-liquid ratio of 1g: (5-10) mL by adopting an impregnation method, adjusting the pH value of a mixed system to 10.8-11.2 by adopting an alkali liquor, and stirring to obtain a mixed solution; then carrying out magnetic stirring reaction, and after the reaction is finished, carrying out centrifugal separation, washing and drying to obtain the modified biochar. The prepared modified biochar is used as an aerobic composting additive, so that greenhouse gas emission can be remarkably reduced, nitrogen retention and compost nutrient content are improved, compost maturity is promoted, plant toxicity is reduced, and a microbial community structure is directionally regulated and controlled. According to the invention, the functionality of the biochar is enhanced through chemical modification, the synergism of pollution reduction, synergism, carbon sequestration and decay promotion is realized, and an effective technical path is provided for realizing low-carbon, efficient and sustainable organic waste resource utilization.

The invention relates to the technical field of cement admixtures, in particular to a preparation process of an environment-friendly cement raw material grinding-aid grinding agent. According to the process, electrolytic manganese residues and industrial waste alkali liquor are used as raw materials, and the core is that multi-step synergistic chemical modification is performed: firstly, the electrolytic manganese residues are subjected to low-temperature plasma activation pretreatment to increase surface active sites; secondly, carrying out graft copolymerization on lignin in the industrial waste alkali liquor by utilizing an RAFT (Reversible Addition-Fragmentation Chain Transfer) polymerization technology, and introducing carboxyl and amide groups to synthesize a zwitterionic polymer; then, mixing the modified electrolytic manganese residues with modified alkali liquor, and inducing to generate a nano precursor with a core-shell structure through a supramolecular self-assembly and bionic silicification principle; and finally, carrying out spray drying to obtain a final product. According to the mineralizer disclosed by the invention, the grindability and the burnability of cement raw materials can be remarkably improved, the clinker burning coal consumption can be reduced, more importantly, marine cement can be endowed with excellent chloride ion penetration resistance, and meanwhile, high-added-value resource utilization of solid wastes is realized.

The invention discloses a modification method and application of double-layer impregnated modified aramid fiber, and the double-layer impregnated modified aramid fiber is prepared by the following steps: reacting hexamethylene diisocyanate and glycerol triglycidyl ether in a water phase to form a first-layer impregnation liquid, and carrying out first-layer impregnation modification on aramid fiber; and forming a second-layer impregnation liquid from ethylene glycol diglycidyl ether, diethylenetriamine, glycidyl methacrylate and butadiene-vinylpyridine rubber latex, performing second-layer impregnation modification on the aramid fibers, drying after double-layer modification to obtain double-layer impregnation modified aramid fibers, and blending and vulcanizing the double-layer impregnation modified aramid fibers and rubber to obtain the rubber-modified aramid fibers. The modified aramid fiber reinforced butadiene styrene rubber composite material can be prepared. By designing a two-step dipping treatment system containing isocyanate and epoxy bifunctional groups, efficient chemical modification of the aramid fiber surface is realized, and a good reaction interface with a rubber matrix is endowed.

The invention belongs to the technical field of polyurethane, and particularly relates to bio-based flame-retardant polyurethane polystyrene foam. The bio-based flame-retardant polyurethane polystyrene foam is prepared from the following raw materials in parts by weight: 60 to 75 parts of amino acid-based modified polyether polyol; 25-40 parts of a nitrogen and phosphorus-containing hydroxyl-terminated modified polymer; 380 to 440 parts of modified isocyanate; 100 to 130 parts of chlorinated paraffin; 40 to 60 parts of filler; 8-10 parts of silicone oil; 80 to 100 parts of a propellant; and 3-5 parts of a catalyst. Bio-based raw materials such as castor oil and amino acid are introduced into the molecular structure of the polyurethane polystyrene foam through chemical modification, so that the biodegradability of the material is improved; a proper polymeric monomer is screened, and a flame-retardant element chlorine is introduced into a polyether molecular structure through chemical polymerization and forms multi-element synergy with nitrogen and phosphorus elements bridged through ester bonds, so that the content of the flame-retardant element in the polystyrene foam material is effectively increased, and the flame retardance is improved.

The invention relates to a beta-cyclodextrin-based composite adsorption material with high selectivity as well as a preparation method and application of the beta-cyclodextrin-based composite adsorption material. The preparation method comprises the following steps: dissolving beta-cyclodextrin, an acrylamide monomer and a sodium p-styrenesulfonate monomer in water, and adjusting the pH value of the mixed solution to 6-8; adding an initiator into the obtained mixed solution, carrying out ultrasonic initiation polymerization reaction in an oxygen-free environment, and standing and curing overnight to obtain functional modified beta-cyclodextrin; dissolving the obtained functional modified beta-cyclodextrin, citric acid serving as a cross-linking agent and monopotassium phosphate serving as a catalyst in water, and heating for cross-linking reaction to obtain the beta-cyclodextrin-based composite adsorption material with high selectivity. Acrylamide and sodium p-styrenesulfonate monomers are grafted on beta-cyclodextrin through ultrasonic polymerization for chemical modification, then the characteristic that beta-cyclodextrin is easy to dissolve in water is changed through citric acid crosslinking, and the selective adsorption capacity of the obtained composite adsorption material to fluoroquinolone antibiotics is greatly enhanced.

The disclosure relates to saRNAs useful in upregulating the expression of a target gene and therapeutic compositions comprising the saRNAs, wherein the saRNAs are chemically modified. Methods of using the saRNAs and the therapeutic compositions are also provided.

The invention belongs to the technical field of renewable resource utilization and new energy, and relates to a wood-based water photovoltaic power generation material and a preparation method and application thereof.The wood-based water photovoltaic power generation material is prepared by taking natural wood as a raw material, performing chemical modification treatment and combining directional freeze drying and salting-out treatment. The wood-based water photovoltaic power generation material with relatively good mechanical strength is prepared by using the wood-based material as a raw material, the wood-based material has a highly-oriented porous structure, and under the conditions of 25 DEG C, standard atmospheric pressure and relative air humidity RH 30%, a 200-mesh copper mesh is used as an electrode, and the open-circuit voltage of a nano power generation device obtained by assembling in deionized water reaches 110 mV, and the short-circuit circuit reaches 0.74 mA. The material is simple in preparation process and wide in application scene, adopts natural high polymer materials as raw materials, has the environment-friendly advantages of reproducibility and biodegradability, and has a wide application prospect in the field of new energy materials.

The invention discloses a diamine monomer based on lignin chemical modification, a polyimide material and a preparation method and application thereof. The invention provides a diamine monomer based on lignin chemical modification and a preparation method thereof. The diamine is used for synthesizing polyimide. And copolymerizing the diamine monomer with an aromatic diamine monomer and a dianhydride monomer to prepare the polyimide material. Due to the addition of diamine, the free volume between polyimide molecular chains can be increased, so that the obtained polyimide material shows considerable dielectric properties in high frequency under the condition that the polyimide material does not contain fluorine, and the polyimide material has good insulating properties, which provides possibility for application to the field of microelectronics.

The invention provides a preparation method and application of a modified PVC adsorbent for gold extraction of carbonaceous gold ore, and belongs to the technical field of organic polymer materials and resource utilization. Based on construction of a hydroxylation-xanthate esterification reaction and bifunctional adsorption sites, a series of chemical modification paths of acetate nucleophilic substitution-hydrolysis-carbon disulfide alkali treatment are established, and xanthate functional groups with high reaction activity are accurately constructed on an inert PVC framework. Sulfur atoms in xanthate groups of the modified PVC are excellent electron donors and can generate strong chemical adsorption with metal impurities or polar sites on the surface of carbon, meanwhile, Van der Waals interaction between a main chain of the modified PVC and the carbon is reserved, and unmodified PVC or single hydroxylated PVC does not have the synergism of chemical adsorption and physical adsorption, so that the modified PVC can be used for preparing the carbon-modified PVC composite material, and the carbon-modified PVC composite material can be used for preparing the carbon-modified PVC composite material. And leap-type improvement of the adsorption capacity and selectivity of organic carbonaceous in minerals is realized.

The invention belongs to the technical field of daily chemicals, and particularly relates to high-temperature and neutral alkyl glycoside sulfonate as well as a preparation method and application thereof. The alkyl glucoside sulfonate provided by the invention is obtained by utilizing hydroxyl activity on a glucoside sugar unit to perform chemical modification, and specifically, 1, 3-dichloro-2-propanol is firstly adopted to perform intramolecular crosslinking on alkyl glucoside, and then 3-chloro-2-hydroxy sodium propanesulfonate is adopted to perform anionic modification. The prepared alkyl glycoside sulfonate has the advantages of being mild, low in irritation, high in hard water resistance, good in foaming performance, low in permeation amount on skin and small in residual amount, and can effectively overcome the defects that alkyl glucoside is high in permeability, high in deproteinization and degreasing capacity, large in damage to skin barriers, weak in thickening effect and the like in personal cleaning products; the method is very suitable for being widely used and popularized in daily chemicals.

The invention provides a preparation method of solid waste ceramsite for sequestration of carbon dioxide, and relates to the technical field of carbon dioxide absorption and sequestration. The preparation method of the solid waste ceramsite for sequestration of carbon dioxide comprises the following steps: S1, raw material preparation; S2, granulation; S3, firing; S4, surface modification; the preparation method comprises the following steps: chemically modifying ceramsite by adopting amino silane, reacting at 60 DEG C for 4 hours, cleaning with deionized water, and drying at 80 DEG C; performance tests show that the modified solid waste ceramsite is beneficial to adsorption of carbon dioxide, and after the solid waste ceramsite is physically mixed with a certain proportion of zeolite, when the mass ratio of the ceramsite to the zeolite is 3: 1, the adsorption effect of the carbon dioxide can be further improved; when the addition amount is 3% of the mass of the raw materials, the carbon dioxide sealing performance of the ceramsite is remarkably improved.

The invention discloses a water-based environment-friendly peelable coating for a glass substrate and a preparation method of the water-based environment-friendly peelable coating, and belongs to the technical field of water-based coatings. The preparation method comprises the following steps: firstly, carrying out chemical modification on polydimethylsiloxane (PDMS) by utilizing a silane coupling agent to prepare K-PDMS with polymerizable double bonds; then carrying out copolymerization on the K-PDMS and an acrylate monomer through an emulsion polymerization method to prepare a water-based acrylic resin emulsion; and finally, mixing the emulsion with deionized water, an auxiliary agent and color paste to prepare a water-based strippable coating, applying the water-based strippable coating to the surface of a glass substrate, and drying to form a strippable coating. According to the present invention, the compatibility problem of PDMS and acrylic resin is fundamentally solved through the chemical bonding manner, such that the obtained coating has advantages of excellent peelability, high mechanical strength, prominent hydrophobicity and good heat resistance, and is especially suitable for the efficient demolding of the glass mold and the temporary surface protection of the glass product.