51 results about "Macromolecular architecture" patented technology

The invention discloses a method for preparing a coal-based carbon material by finely regulating and controlling a coal macromolecular structure and application of the coal-based carbon material, and belongs to the technical field of electrochemical energy storage. The method comprises the following steps: crushing and deliming raw material coal to obtain ultralow-ash-content coal powder; the method comprises the following steps: uniformly mixing ultralow-ash-content coal powder with extraction solvents with different polarities according to a certain proportion, weakening intermolecular interaction force by applying a certain condition, and enriching similar chemical components; pre-oxidizing the obtained pulverized coal, mixing the pre-oxidized pulverized coal with a catalyst and an additive in an organic solvent, and carrying out deep oxidation in an oxidizing atmosphere to promote directional conversion of hydroxyl generated by pre-oxidation to carboxyl; and transferring the carboxylated coal powder into a carbonization furnace, and carrying out high-temperature carbonization under the protection of inert gas to obtain the amorphous carbon material with high closed pore content. The coal-based carbon material prepared by the method shows rich closed pore content and excellent pore connectivity, obtains ultrahigh reversible specific capacity when being used as a sodium ion battery negative electrode, and is easy to realize large-scale preparation of the high-performance coal-based carbon material.

This invention discloses a method and system for converting waste plastics into hydrogen based on microwave pretreatment and solar photocatalytic reforming, belonging to the field of solid waste resource utilization and clean energy technology. The method includes: mixing waste plastics with water for microwave pretreatment to destroy their macromolecular structure and generate a liquid-phase product rich in small-molecule organic matter; performing solid-liquid separation on the liquid-phase product; and conveying the separated liquid to a flat-plate photocatalytic reactor for photocatalytic reforming under sunlight irradiation and the action of a catalyst supported on a 3D-printed substrate to produce hydrogen and high-value chemicals. The system includes a microwave pretreatment unit, a filtration unit, and a flat-plate photocatalytic reaction unit connected in sequence. This invention achieves efficient, low-carbon, and high-value conversion of waste plastics through the synergy of microwave pretreatment and solar photocatalytic reforming, effectively overcoming the problems of high energy consumption, poor product selectivity, and low photocatalytic efficiency in existing technologies.

The application discloses a preparation method of organic garbage carbon source by composite enzyme combined with nitrogen precipitation. Firstly, enzyme pretreatment is performed on organic garbage materials, starch enzyme, cellulase and hemicellulase are used in cooperation to make macromolecular structure of organic matter be broken, so that preliminary release and partial dissolution of carbon source substances are realized; subsequently, sodium tetraphenylborate is added in the pretreatment system to selectively precipitate nitrogen substances in the solution, and centrifugal separation is performed to reduce nitrogen content of the system; on the basis, potassium persulfate and iron substances are added into the obtained suspension liquid to build a Fenton-like reaction system, residual organic macromolecules are further oxidized and degraded, and the structure is optimized, so that availability and stability of the carbon source are improved. In the whole process, each link cooperates, so that the organic garbage can be efficiently converted into high-quality carbon source with high C / N ratio and COD value, and can be used in a sewage treatment system as stable external carbon source.

The invention relates to a film material film processing device and method for a rotary kiln, the film material film processing device comprises a rotating shaft arranged in the center of the rotary kiln, a rotating shaft rotating speed adjusting mechanism and a plurality of film mechanisms vertically and fixedly arranged on the rotating shaft, the film mechanisms are rotationally arranged in the rotary kiln, and the rotating speed adjusting mechanism controls the rotating shaft to rotate; the adjusting rotation speed is related to the combustibility of the processed object; the solid waste and the hazardous waste in the furnace are pressed into a molten film state through the continuous rotary pushing and compacting effect of the film forming mechanism and are evenly distributed on the inner side wall face of the rotary kiln. By means of the material thinning mechanism, on one hand, the contact surface area of solid waste and hazardous waste and the wall face of the rotary kiln is increased, the heat exchange effect of the solid waste and hazardous waste and the rotary kiln is enhanced, and therefore the pyrolysis effect and combustion efficiency of the solid waste and hazardous waste are improved; and on the other hand, the fragmentation degree of macromolecular structures of solid waste and hazardous waste subjected to film treatment is more thorough, and pyrolysis is more thorough, so that the operation energy consumption of the secondary combustion chamber can be further reduced, and the overall operation efficiency of the system and the steam output quality are improved.

The invention discloses a cationic chromatographic filler preparation method based on RAFT (reversible addition-fragmentation chain transfer) polymerization, which comprises the following steps: synthesizing monodisperse linear polystyrene microsphere seeds by adopting a dispersion polymerization method, synthesizing polystyrene-divinyl benzene microspheres with high crosslinking degree by adopting a single-step seed swelling method, carrying out reversible addition-fragmentation chain transfer polymerization, and carrying out column packing by adopting a homogenization method. Compared with the traditional free radical polymerization, the preparation method not only retains the multifunctionality of the traditional free radical polymerization, but also solves the problem that the traditional free radical polymerization cannot well control the molecular weight and macromolecular structure, and is simple in process, convenient to operate and suitable for industrial production. The method has a potential application prospect in specific challenges of chromatographic separation and biomacromolecule separation.

The invention relates to a carbon molecular sieve and a preparation method thereof, and the preparation method of the carbon molecular sieve comprises the following steps: removing inorganic matters in biochar to less than 100 ppm; mixing the biochar and urea, and then putting the mixture into a reaction furnace to react and crosslink to form a macromolecular structure; grinding the macromolecular structure into biochar particles; mixing the biological coke particles with biological pyrolytic oil and water, and performing extrusion molding to obtain a carbon molecular sieve extrusion material; carbonizing the carbon molecular sieve extruded material in a rotary furnace; after carbonization is completed, water vapor is introduced into the rotary furnace for activation; after activation is completed, benzene is introduced into the rotary furnace for deposition, and the carbon molecular sieve is obtained. According to the carbon molecular sieve and the preparation method, the biochar is used as a carbon source, the raw material price is low, and the production cost is reduced.

The invention discloses a method that uses a measured density map of a molecule and related molecular model to improve the resolution of the molecule structure using fitness scores between conformers of models of the unresolved parts of the molecule and the density map.

The invention relates to a catalytic system based on at least one neodymocene borohydride, a co-catalyst which is a dialkylmagnesium compound of formula RB-Mg-RL, in which RB is a secondary alkyl of formula R2CH and RL is a primary alkyl of formula RCH2, the Rs, identical or different, being alkyls. The catalytic system addresses the objective of improved macrostructure control in a polymerization process of ethylene or a monomer mixture containing ethylene and a 1,3-diene.

The invention discloses a preparation method of a low-heat vacuum volatile epoxy adhesive, which is characterized in that liquid epoxy resin is epoxy resin NPEL-128R; the diluent is a diluent 1, 6-hexanediol diglycidyl ether; the curing agent is a polyether amine curing agent D-230; the ratio of the mole number of epoxy in the epoxy resin NPEL-128R and the diluent 1, 6-hexanediol diglycidyl ether to the mole number of active hydrogen in the polyether amine curing agent D-230 is 1: 1, the epoxy and the curing agent component are subjected to addition and chain extension through ring opening in the addition curing process, and then the reaction continues to form a stable macromolecular network structure. The addition curing mode has a strict raw material proportion, and a stable and large polymer molecule can be obtained according to an equal mole number reaction. In the reaction process, the epoxy resin and the curing agent amine can participate in the addition reaction strictly according to the equal mole ratio, and the reaction produces a stable macromolecular structure.

This invention provides a bird safety glass film, its preparation method, and a bird safety glass assembly. By introducing specific types of silicon-containing monomers with a conjugated π-electron structure, liquid polysiloxane is prepared. Then, through cross-linking and curing, solid siloxane polymers are obtained from the liquid polysiloxane, forming a transparent macromolecular polymer film with a network structure. This film absorbs ultraviolet rays from sunlight while keeping visible light unaffected, thus achieving a visual effect that is visible to birds but transparent to humans. The network macromolecular structure results in a more uniform distribution of functional monomers and a more stable chemical state of functional groups, significantly improving the stability of the film or glass assembly and extending its service life, making it suitable for large-scale application.

The invention discloses a preparation method of castor oil-based biomass lubricant base oil, and belongs to the technical field of base oil. The preparation method comprises the following steps: ester exchange reaction, esterification reaction, epoxidation reaction, ring-opening reaction and bridging esterification reaction. The prepared base oil constructs a macromolecular structure through bridging esterification, so that the base oil is endowed with high viscosity; unstable carbon-carbon double bonds in the raw materials are eliminated through the epoxidation step, the flash point of the base oil is increased, and the service life of the oil product is prolonged; the introduced long-chain alkyl side chain effectively prevents molecules from crystallizing at low temperature, and the pour point is reduced; castor oil is used as an initial raw material, and the source is renewable; the final ester structure is easily decomposed by microorganisms and is environment-friendly; in a word, the biomass raw material is successfully converted into the base oil with'high viscosity index, low pour point, high flash point and good biodegradability 'through an innovative synthesis route, and the base oil has important application value in the technical field of base oil.

The application discloses a nanoscale organosilicon cluster phosphinic acid flame retardant and a preparation method thereof. The flame retardant is a reticular macromolecular structure flame retardant with group synergistic effect, which is prepared based on hypophosphorous acid, siloxane compound and free radical initiator. The flame retardant realizes the combination of siloxane and hypophosphorous acid in the same structure unit, and improves the flame retardant efficiency. Meanwhile, the structure unit contains hydroxyl functional groups, crosslinking with a matrix such as epoxy resin to improve the crosslinking density. The polymer particle size reaches the nanoscale through a physical method, and the mechanical properties of the material are improved. In addition, the application has high yield, and the preparation process and product post-processing process operation are simple. The flame retardant has the characteristics of high flame retardant efficiency and excellent compatibility, and is a halogen-free high-efficiency phosphorus-silicon synergistic flame retardant.

The preparation method comprises the following steps: adding 5-30 parts of tannic acid into a low-boiling-point polar solvent, adding 2-40 parts of isocyanate under stirring and nitrogen protection, carrying out a stirring reaction at room temperature to 70 DEG C for 0.5-10 h, adding 1-20 parts of hydroxyethyl acrylate, continuously carrying out a reaction at room temperature to 70 DEG C for 0.5-10 h, and carrying out a reaction at room temperature to 70 DEG C for 0.5-10 h so as to obtain the delayed-light-curing environment-friendly adhesive composition. The preparation method comprises the following steps: adding 5-30 parts of epoxidized soybean oil acrylic resin, 1-30 parts of bisphenol epoxy acrylate and 1-20 parts of a diluent, uniformly stirring, adding 1-6 parts of a cationic photoinitiator and 0.5-4 parts of a free radical photoinitiator, stirring, and evaporating to remove a solvent under reduced pressure to obtain the adhesive. The property of a natural material tannic acid is utilized, isocyanate is used for blocking to form a macromolecular structure containing isocyanate, the bonding strength of the adhesive is enhanced through introduction of an isocyanate group and bisphenol epoxy acrylate, the epoxidized soybean oil acrylic resin has the characteristics of being green and low in toxicity, and as one of the components of the adhesive, the epoxy soybean oil acrylic resin has the advantages of being environmentally friendly and low in toxicity. And the safety of the product can be obviously improved.

The application discloses polyacrylonitrile primary fiber, polyacrylonitrile fiber and a preparation method and application thereof, and belongs to the technical field of high polymer materials and fiber manufacturing. A part of cyano groups on a molecular chain is converted into carboxylic acid salt by performing a partial hydrolysis reaction on polyacrylonitrile in a mixed system of an organic solvent and an inorganic alkali aqueous solution through ultrasonic assistance; the hydrolysis product is dissolved to prepare a spinning solution, and after jetting, in-situ acidification and coagulation and stretching in a coagulation bath containing a protonic acid, a polyacrylonitrile primary fiber containing a carboxyl group is obtained. After washing and stretching, the primary fiber is crosslinked and heat-drawn under high-temperature and negative-pressure conditions, so that the carboxyl groups between the molecular chains are dehydrated to form anhydride bonds, a three-dimensional network macromolecular structure is constructed, and a high-strength polyacrylonitrile fiber is obtained through relaxation and heat setting. The polyacrylonitrile fiber has a breaking strength greater than 9.0 cN / dtex, has the advantages of high strength, stable structure and strong controllability of process, and can be suitable for industrialized production of high-strength polyacrylonitrile fiber.

Provided herein are macromolecular structures comprising a surface, tethered moiety, and a macromolecular chain, compositions thereof, and methods of making the same. Also provided herein are systems and kits comprising the macromolecular structures.

The invention relates to the technical field of food processing, and discloses tremella aurantialba and blueberry anthocyanin synergistic antioxidant jelly and a preparation method thereof.The jelly is prepared from, by weight, tremella aurantialba polysaccharide, blueberry anthocyanin extract, a sweetening agent, a pH regulator and water. The beverage is prepared from the following raw material components: 2.0 to 5.0 percent of tremella aurantialba polysaccharide, 0.1 to 0.5 percent of blueberry anthocyanin extract, 5.0 to 10.0 percent of sweetening agent, 0.05 to 0.2 percent of pH (Potential of Hydrogen) regulator and the balance of water. Hydroxyl of tremella aurantialba polysaccharide can remove part of free radicals, meanwhile, the macromolecular structure of the tremella aurantialba polysaccharide can serve as a carrier to wrap anthocyanin molecules and promote dispersion and absorption of anthocyanin, blueberry anthocyanin efficiently removes the free radicals through electron transfer of phenolic hydroxyl, and under the synergistic effect of the tremella aurantialba polysaccharide and the blueberry anthocyanin, the DPPH free radical scavenging rate of the jelly is larger than 90%. Compared with single tremella aurantialba polysaccharide jelly, the removal rate is increased by 50-60%, and compared with single blueberry anthocyanin jelly, the removal rate is increased by more than three%, and the antioxidant function is remarkably enhanced.

The invention discloses a method for preparing an organic garbage carbon source by combining compound enzyme with nitrogen precipitation. The method comprises the following steps: firstly, carrying out enzyme pretreatment on an organic garbage material, and breaking a macromolecular structure of an organic matter by adopting a synergistic effect of amylase, cellulase and hemicellulase, so as to realize primary release and partial dissolution of a carbon source substance; then, sodium tetraphenylborate is added into the pretreatment system, nitrogen substances in the solution are selectively precipitated, and the nitrogen content of the system is reduced through centrifugal separation; on the basis, potassium persulfate and iron substances are added into the obtained turbid liquid, a Fenton-like reaction system is constructed, residual organic macromolecules are further oxidized and degraded, and the structure of the residual organic macromolecules is optimized, so that the availability and the stability of a carbon source are improved. In the whole technological process, all links have a synergistic effect, so that the organic garbage can be efficiently converted into a high-quality carbon source with a relatively high C / N ratio and a relatively high COD value, and the carbon source can be used as a stable exogenous carbon source in a sewage treatment system.

The invention relates to the technical field of sewage treatment, in particular to a sulfur removal agent for sulfur-containing gas field produced water. The sulfur removal agent for the sulfur-containing gas field produced water, provided by the invention, is double interpenetrating network aerogel formed by double interpenetrating cross-linking of molecular chain phases of polyacrylamide and sulfonyl hydrazone modified guar gum. By interpenetrating molecular chains of polyacrylamide and modified guar gum, the obtained double interpenetrating network aerogel not only has the characteristics of polyhydroxy, carbonyl, good salt tolerance and macromolecular structure of guar gum, but also has the characteristics of rigid skeleton and abundant network structure of polyacrylamide; according to the present invention, the electrostatic acting force, the hydrogen-bond interaction, the intermolecular acting force and the adsorption effect among different functional groups such as the amino group, the hydroxyl group and the carbonyl group cooperate with each other, such that the S < 2-> in the weakly acidic or weakly alkaline (pH value is 6.5-9.5) sulfur-containing sewage can be effectively treated, the corrosion to the equipment cannot be caused, and the desulfurization agent is suitable for the desulfurization treatment of the sulfur-containing gas field produced water in different acid-base environments;

The invention discloses a reusable clean fracturing fluid system and a preparation method thereof. When the emulsion is mixed with water, a strong association effect is generated, a high-viscosity weak-elasticity sand-carrying fluid with a net structure is formed, and the proppant is brought into a crack. Under the action of formation temperature, pressure and a gel breaker, the fracturing fluid breaks gel, original macromolecular aggregates cannot be mutually entangled, and a viscoelastic macromolecular structure can be degraded into a micromolecular structure and then flows back to the ground. Therefore, dual protection significance of reservoir protection, environmental protection and the like is realized, and the method has a relatively good application prospect.

The invention provides acne-removing essence cream based on plant extraction components and a preparation method thereof. A macromolecular emulsifier 1 and a macromolecular emulsifier 2 are added into the acne-removing essence cream. The macromolecular emulsifier 1 is a product obtained by esterifying PEG100 stearate and acrylic acid and then carrying out free radical polymerization; the macromolecular emulsifier 2 is a product obtained by esterifying cetearyl glucoside and acrylic acid and then carrying out free radical polymerization on the esterified cetearyl glucoside and acrylic acid. Both the macromolecular emulsifier 1 and the macromolecular emulsifier 2 have macromolecular structures, so that the viscosity of the system can be improved, and meanwhile, a mutually wound network structure is easily formed among macromolecular chains, so that the cohesion of the system can be improved, and the viscosity of the system can be maintained. And on the other hand, a polymerization unit of the macromolecular emulsifier 2 contains a large number of hydroxyl groups, the density of hydrogen bonds after polymerization can be greatly improved, and the macromolecular emulsifier 2 can be more tightly combined with other components, so that the stability of the system is enhanced, and the viscosity of the system can be further stabilized.

The present application belongs to the technical field of one-component moisture-cured polyurethane sealant, and relates to a weather-resistant polyurethane plasticizer, a polyurethane bonding sealant for rail transit window glass, and a preparation method and application thereof.A weather-resistant polyurethane plasticizer is obtained by carrying out a first-step polymerization reaction of a diisocyanate compound and a polyether diol, and then adding an excess of 1,2,2,6,6-pentamethylpiperidinol to carry out a second-step polymerization reaction to completely cap the isocyanate groups.The polyurethane bonding sealant for rail transit window glass prepared by using the weather-resistant polyurethane plasticizer can continuously remove harmful free radicals generated by material aging, block photo-oxygen aging chain reactions, and thus improve weather resistance.In addition, the weather-resistant plasticizer has a macromolecular structure, is difficult to migrate, has excellent environmental protection, and can remain stable in a long-term fatigue vibration environment, and is not prone to problems such as mechanical property attenuation, hardness increase, or elongation rate decrease.

The application relates to the technical field of paint, and discloses a waterproof coating for buildings and a manufacturing method thereof. The waterproof coating is formed by mixing epoxy resin as a film-forming material and palygorskite modified material as an auxiliary material. The palygorskite modified material is prepared by grafting a polymer macromolecule with an ether bond on the surface of palygorskite and the polymer macromolecule has a long fatty chain-benzene fluoride alternating structure. The benzene ring structure in the polymer macromolecule structure can form a pi-pi conjugation effect with the benzene ring in the epoxy resin structure, so that the interface effect between the palygorskite and the epoxy resin can be improved, the palygorskite can efficiently play its own effect, the strength of the coating can be enhanced, the existence of the molecular chain of the polymer macromolecule structure can endow the coating with a super-hydrophobic effect similar to that of a lotus leaf, and thus the permeation of water can be effectively prevented and the waterproof performance of the coating can be improved.

The invention relates to the technical field of materials, and discloses an antistatic PBT composite material and a preparation method thereof.The PBT composite material is added with auxiliary materials such as a compatilizer, chopped glass fibers and a modified carbon black additive; wherein the modified carbon black additive is prepared by modifying the surface of carbon black with a macromolecular structure substance which contains a large number of quaternary ammonium substituent groups and is alternately linked with tetramethylpropanediamine-polyphenyl ether, and the macromolecular structure substance can form a pi-pi conjugation effect with PBT (Polybutylene Terephthalate), so that the compatibility between the carbon black and a polybutylene terephthalate matrix can be improved; and the quaternary ammonium salt structure of the macromolecular structure substance can form a bridge between carbon black particles, and cooperates with the carbon black particles to form a perfect conductive path, so that the antistatic performance of the composite material is improved, and the carbon black exists in the form of crosslinking points, so that the antistatic property of the composite material is improved. The effect of carbon black serving as an inorganic additive can be efficiently utilized, and the mechanical strength of the composite material is enhanced.

The subject matter described herein is directed to molecularly engineered brush-like graft copolymer elastomers and applications thereof. The developed formulation platform is based on the synthesis of brush-like graft copolymer networks with engineered macromolecular architecture composed of brush-like polymers, such as combs and bottlebrush polymers, and block copolymers composed of combinations of brush and linear blocks, with capability of bearing desired chemical functionalities, for example, brush side-chains, chain-ends, and / or brush backbone.

The invention discloses a method for producing nitro-humic acid by nitric acid-ozone combined oxidation of lignite, which comprises the following steps: adding dilute nitric acid into ground pulverized coal, carrying out water bath treatment, and carrying out ozone oxidation experiments twice to obtain nitro-humic acid; nitric acid can attack aromatic rings and fat side chains in a coal macromolecular structure, so that a macromolecular net structure in the coal is preliminarily degraded, and then oxygen free radicals generated by ozone attack relatively strong bridged bonds in the coal to further crack the bridged bonds, so that the macromolecular structure of the coal is deeply depolymerized; according to the ozone oxidation experiment, acetic acid is used as a solvent, nitric acid modified Shengli lignite (NASL) is subjected to ozone oxidation twice to obtain oxidized solid residues and oxidation products, and the organic matter conversion rate of ozone oxidation depolymerization of NASL is 81.55% and the solvent soluble substance yield is 82.38%; the Shengli lignite is degraded step by step in a nitric acid and ozone combined oxidation mode, so that nitric acid and ozone combined oxidation depolymerization is a promising method for efficiently extracting nitro humic acid from coal.

A neurotransmitter moiety, dopamine, was chemically modified with a nitro-group to explore its influence on synthesizing a multifunctional biomaterial for therapeutic applications. Chemically, by manipulating the aromatic-electron density. while nitro-group prevented the self-oxidation of catecholic domain. this facilitated the aromatic suturing of nitrocatechol moieties, forming a novel macromolecular structure. Incorporation of the sutured-nitrocatecholic moieties in a gelatin-based hydrogel introduced extended pi-electron delocalization mediated electroconductive microenvironment and maintained its adhesive properties originated from the catecholic domains, forming a multi-functional bioadhesive for tissue repairing. Embodiments of the invention include engineered hydrogels enriched with multi-mode noncovalent interactions and excellent mechano-physical properties that are useful for diverse biomedical applications.

The invention discloses a method for preparing humic acid through ultrasonic-enhanced ozone oxidation depolymerization of lignite. An ultrasonic enhanced ozone oxidation depolymerization experiment is carried out on three types of lignite, including Shengli lignite (SL), Xiaolong Tan coal (XLT) and Mongdong lignite (MD), under mild conditions, so that the oxidation efficiency of the lignite can be effectively improved, and coal macromolecular structures are promoted to be cracked and converted into humic acid. Methanol is used as a solvent, the organic matter conversion rates of the three kinds of lignite SL, MD and XLT subjected to ultrasonic enhanced ozonation are 82.5%, 84.9% and 92.3% respectively, and the humic acid yields are 51.1%, 36.0% and 46.2% respectively; compared with single ultrasonic treatment and single ozone treatment, the organic matter conversion rate and the humic acid product yield of the ultrasonic enhanced ozone oxidation depolymerization SL are respectively increased by 69.0 / 42.9% and 44.7 / 36.4%. The method for preparing the humic acid through ultrasonic-enhanced ozone oxidation depolymerization of Shengli lignite provides a new thought for clean and efficient utilization of coal.

The invention provides a gel electrode suitable for training in plateau cold regions and a preparation method of the gel electrode, and belongs to the technical field of gel electrodes. The method comprises the following steps: dip-coating a fiber base material in a hydrogel precursor solution, crosslinking, dehydrating, and immersing in a hydrophobic composite electrolyte solution to obtain a target electrode. The hydrophobic composite electrolyte solution is formed by compounding fluorinated ionic liquid and hydrophobic fluorosilicone oil or perfluoropolyether, and by dehydrating a gel matrix and adopting a hydrophobic electrolyte system, the electrode does not swell and is prevented from adsorbing condensed water; due to the macromolecular structure characteristic of the electrolyte system, the electrolyte system can still keep stable form and performance in low-pressure, low-temperature and high-temperature environments; carbodiimide and transglutaminase are used for carrying out double crosslinking on biomass colloid, the biocompatibility is good, and the obtained crosslinked gel network has the characteristics of no dissolution and no melting. The method provides a key technical guarantee for long-term reliable monitoring in complex environments such as plateau alpine regions, low pressure and oxygen deficit.

The invention discloses a cationic polymer and a preparation method thereof. The molecular formula of the cationic polymer is as follows: # imgabs0 #; wherein n is 5-30, x is 8-15, y is 10-25, z is 3-5, and X is Cl, Br or I; r, R1, R2, R3, R4 and R5 are respectively any one of C1-C5 alkyl groups. The comb-type macromolecular structure is large in steric hindrance and has electrostatic repulsion; a macromolecular structure,-OH and-NH have relatively strong hydrogen-bond interaction, so that the adhesive force is increased; the active group can be covalently combined with-OH on the cotton fiber at a high temperature, and can form multipoint anchoring with the dye to form a color lake to play a color fixing role. A good chlorine fastness improving effect is achieved;-NH is contained in the structure; the method is suitable for medical dressings, and solves the influence of NaClO on colored medical dressings.

The invention discloses a system and a method for producing hydrogen through plasma synergistic adsorbent and microbial fermentation, and relates to the technical field of biomass energy, the system comprises a crushing and drying module, a degradation and fermentation module and a purification and collection module, the crushing and drying module is used for crushing and drying organic matters; the degradation and fermentation module is used for destroying macromolecular structures of the dried and crushed organic matters through plasmas to improve the biodegradability of the organic matters, and then conveying a generated degradation mixture containing small molecular structures of the organic matters to the fermentation hydrogen production chamber for fermentation hydrogen production; the purification and collection module is used for removing impurity gas through an acidic adsorbate and a carbon dioxide adsorbent, and finally rich hydrogen is obtained. According to the invention, the substrate is degraded by plasmas, the generation of impurity gases is inhibited, and the fermentation microenvironment is regulated by using the adsorbent, so that efficient hydrogen production of microorganisms is realized, a cooperative work system of plasma, adsorbent and microorganism fermentation hydrogen production is formed, and the hydrogen production efficiency and purity can be remarkably improved.