884 results about "Functional polymers" patented technology

The invention discloses spherical aluminum oxide and a silicone rubber heat conduction composite material thereof, and belongs to the technical field of functional polymer materials. The spherical aluminum oxide is subjected to surface modification through an amphiphilic fluorosilicone heat conduction interface synergist; comprising the following raw materials in parts by weight: 100-200 parts of vinyl silicone oil, 1-6 parts of side hydrogen-containing silicone oil, 1-6 parts of end hydrogen-containing silicone oil, 0.2-2 parts of a platinum catalyst, 0.01-0.1 part of an inhibitor and 2500-6000 parts of amphiphilic fluorine-silicon heat-conducting interface synergistic spherical aluminum oxide powder. Through surface modification of spherical aluminum oxide, the prepared silicone rubber heat-conducting composite material realizes synergistic gain of heat conduction, insulation and flexibility, and can meet the requirements of multiple fields such as power battery pack heat dissipation gaskets, high-frequency circuit packaging and wearable equipment.

The invention discloses injectable hydrogel with redox activity and electroactivity as well as a preparation method and application of the injectable hydrogel, and belongs to the technical field of medical materials. The preparation method comprises the following steps: reacting methacrylic anhydride and polysaccharide molecules in a solvent to prepare a double-bond functional polymer; the preparation method comprises the following steps: firstly, pre-polymerizing dopamine in a solvent, and then adding MOF (Metal Organic Framework) to carry out polymerization reaction, so as to prepare dopamine modified MOF; reacting the dopamine modified MOF, EDOT and ferric salt in a solvent, and collecting the precipitate to prepare a nano filler; the preparation method comprises the following steps: jointly dispersing the double-bond functional polymer, active polypeptide, a photoinitiator and nano filler into a solvent, and carrying out photocuring cross-linking. The preparation condition is mild, gel forming is rapid, the method is simple, the prepared hydrogel has injectable performance and conductive performance, catalytic activity of natural enzyme can be simulated, active oxygen removal can be achieved in the early stage of myocardial ischemia, electrical conduction of infarction parts can be enhanced, and effective recovery of cardiac functions can be achieved.

The invention discloses a double-sterilization-anti-sticking composite cross-linked coating as well as a preparation method and application thereof, and belongs to the technical field of functional polymer materials. The coating comprises the following raw materials in parts by weight: 5-30 parts of a cross-linkable release type multifunctional branched polymer and 30-95 parts of a cross-linkable functional polymer. According to the double-sterilization-anti-adhesion composite cross-linked coating, the advantages of contact sterilization, antibacterial factor release and adhesion resistance can be combined together, on one hand, the super-hydrophilic component can effectively prevent initial adhesion of bacteria and protein, and even if a small amount of bacteria fall into the surface of the coating, the contact sterilization component can effectively kill a small amount of adhesion bacteria; the formation of bacteria and biological membranes is avoided; in addition, the introduction of releasable antibacterial molecules can effectively enhance the antibacterial effect, and the purpose of deeply killing pathogens is achieved.

The invention belongs to the technical field of functional polymer materials, and discloses MXene functionalized antibacterial self-healing hydrogel and application thereof. The hydrogel is obtained by mixing and reacting polydopamine modified MXene powder, modified chitosan and a polyvinyl alcohol solution in a first buffer solution. The dynamic network self-healing conductive hydrogel based on interaction of a dynamic boron ester bond, a Schiff base bond and a non-covalent bond is obtained and can be applied to a flexible strain sensor.

The invention relates to a functional liquid metal-based temperature-responsive hydrogel material and a preparation method thereof, and belongs to the technical field of functional polymer hydrogel materials.The preparation method comprises the following steps that a temperature-responsive hydrogel composite material comprises a hydrophobic association polymer gel and a hydrogel monomer, the hydrophobic association polymer gel comprises a hydrophobic association polymer monomer, a functional filler and an initiator. The functional filler is liquid metal gallium with the edge modified by graphene oxide, and has triple functions: firstly, the functional filler is used as an electrostatic crosslinking node to form a crosslinking network with anionic ionic liquid; secondly, dynamic repair is promoted, and Ga < 3 + > is released to promote dynamic bond recombination. In addition, as a functional filler, the hydrogel is endowed with excellent photo-thermal and electro-thermal conversion performance, and the multi-stimulus response capability is enhanced. The composite material realizes structural assembly by means of hydrophobic association, shows reversible phase change and repeated self-assembly characteristics under various stimuli such as photo-thermal, electric heating, direct heating and the like, and has wide application potential.

The invention relates to the technical field of functional polymer composite materials, and provides diatomite modified composite super absorbent and rapid absorbent resin and a preparation method thereof. The preparation raw materials of the diatomite modified composite high-water-absorption and rapid-water-absorption resin provided by the invention comprise acrylic acid, acrylamide, sodium hydroxide, N, N '-methylene bisacrylamide, ammonium persulfate and modified diatomite. The diatomite is modified by the silane coupling agent, the agglomeration problem of the diatomite is solved, the compatibility with organic monomers is improved, and the modified diatomite, acrylic acid and acrylamide are utilized to construct an organic-inorganic synergistic three-dimensional porous network structure, so that the resin has ultrahigh water absorption rate, rapid water absorption performance and good water retention stability. Meanwhile, the preparation method disclosed by the invention does not need nitrogen protection, has the advantages of simple process, controllable raw material cost and easiness in industrial mass production, and is suitable for multiple fields such as water-saving agriculture, soil moisturizing, landscaping and the like.

The invention belongs to the technical field of composite material design, and discloses a polymer composite material design method based on LLM knowledge database construction and reasoning optimization, and the method comprises the following steps: S1, target performance setting; s2, constructing a knowledge database; s3, constructing a reverse design model; s4, constructing a performance verification module; and S5, performing multi-round test-verification design loop optimization. According to the method, an intelligent design method integrating target setting, semantic knowledge database construction, a design assistant, a performance verifier, a prompt engineering module and a language model material knowledge system is provided, closed-loop reasoning and feedback of structure-mechanism-performance are achieved through multiple rounds of DA-VM collaborative optimization, and the design efficiency is improved. The method has the advantages of high design efficiency, strong structure generation rationality, accurate performance prediction, knowledge evolvable and the like, and is suitable for intelligent rapid development of the high thermal conductivity-wave absorbing-shielding-mechanical integrated functional polymer composite material.

The invention relates to the technical field of lithium batteries, in particular to a binder composition and application thereof, a negative electrode material, a negative electrode plate and a lithium ion battery. The binder composition comprises the following components in parts by weight: 100 parts of a binder; 0.1 to 10 parts of conductor polymer; 0-20 parts of a functional polymer; the conductor polymer is selected from one or more of imine covalent organic framework polymers; the functional polymer is selected from one or more of polymers capable of forming dynamic hydrogen bonds with the binder and / or the conductor polymer. The binder composition is used for the silicon-based lithium ion battery, can maintain the complete structures of the negative electrode of the lithium ion battery and an SEI membrane, and can improve the electrochemical performance of the lithium ion battery.

The invention discloses a mesoscale phase separation tough gel material, and belongs to the technical field of functional polymer materials, the mesoscale phase separation tough gel material comprises an island phase structure with the size of 0.1-5 microns and a continuous sea phase structure; wherein the island phase structure is obtained by crosslinking a copolymer of a hydrophilic monomer and a pyridine organic ligand through metal ions, and the marine phase structure is polyurethane; the mesoscale phase separation gel material based on the sea-island structure has abundant metal coordination and hydrogen-bond interaction, so that the gel has excellent load resistance and energy dissipation resistance and provides higher tensile strength. The invention also discloses a preparation method of the mesoscale phase separation tough gel material, the mesoscale phase separation tough gel material is prepared by adopting physical blending and solvent evaporation, the synthesis operation is simple, and the mesoscale phase separation tough gel material has wide application prospects in the fields of flexible wearable equipment, soft drivers, artificial muscles and the like.

The invention relates to a diaphragm, a preparation method thereof, a battery and an electric device, the diaphragm comprises a functional polymer, the polymer has a functional group, the functional group can anchor transition metal ions, and the anchoring is realized through complexation and / or charge attraction. In the charging and discharging process of the battery adopting the diaphragm, transition metal ions such as iron, nickel, copper and zinc migrate along with electrolyte, and in the diaphragm penetrating process, the transition metal ions can be complexed with functional groups in the functional polymer, so that the transition metal ions are intercepted and bound by the functional polymer layer in the diaphragm and cannot be diffused to the negative electrode side, and the service life of the battery is prolonged. Therefore, the battery performance is protected.

The invention relates to a high-temperature-resistant low-dielectric high-strength benzoxazine intermediate and a preparation method of benzoxazine, and belongs to the field of functional polymer materials. The method comprises the following steps: adding paraformaldehyde, unsaturated bond-containing dihydric phenol, a monohydric phenol compound and a diamine compound into a reactor, adding a solvent, reacting at 85-110 DEG C for 8-12 hours, after the reaction is finished, obtaining a benzoxazine intermediate through a purification process, and fully drying the benzoxazine intermediate for later use; and reacting the benzoxazine intermediate at 120-230 DEG C for 8-20 hours to obtain the polybenzoxazine resin.

The invention relates to the technical field of preparation of water-based functional polymer materials, in particular to a preparation method of water-based polyurethane slurry for sports shoe leather, which comprises the following steps: mixing polycarbonate diol, core-shell structure graphene oxide-polycaprolactone hybrid nanoparticles and dimethylolpropionic acid, and carrying out vacuum dehydration treatment, isophorone diisocyanate is added for a reaction, and a polyurethane prepolymer is obtained; after the polyurethane prepolymer is cooled, triethylamine is added for a neutralization reaction; under violent stirring, adding a mixture composed of 1, 4-butanediol and a hyperbranched organosilicon amino chain extender serving as a flexible functional core into the neutralized prepolymer to carry out chain extension reaction, and adding deionized water to carry out reversed-phase emulsification, so as to obtain a waterborne polyurethane emulsion; standing and curing the waterborne polyurethane emulsion at a preset temperature to obtain waterborne polyurethane slurry; the finally prepared shoe leather material has excellent wear resistance and excellent low-temperature bending durability.

The invention discloses a preparation method and application of a membrane separation material based on external field enhanced water isotope separation. The preparation method comprises the following steps: firstly, pre-enriching a precursor component containing a polymerizable monomer, a cross-linking agent and a photoinitiator in a confinement pore channel of a nano-porous carrier through an impregnation-encapsulation strategy; and then, through in-situ photo-initiation polymerization, a covalent cross-linked functional polymer network is constructed in the pore channel, and stable packaging of the polymer is realized. In the water isotope separation period, external field conditions are regulated and controlled, the molecular conformation of a polymer chain is accurately controlled, and the separation performance is optimized. According to the invention, by virtue of an external field strengthening technology, the intramolecular / intermolecular interaction is destroyed, and the macromolecular chain is converted from contraction to stretching, so that more functional sites are exposed, and the water isotope separation material designed by the invention has a huge practical application prospect.

The invention relates to the technical field of functional polymer materials and environmental pollution control, in particular to hydrogen bond self-assembled bio-based aerogel as well as a preparation method and application thereof. Quaternized chitosan and tannic acid are self-assembled in a water phase through hydrogen bonds and electrostatic interaction to form a three-dimensional network structure, no cross-linking agent or organic solvent is added, the specific surface area of the bio-based aerogel BET is 2-10 m / g, and through the strong electrostatic adsorption effect between cationic groups in the quaternized chitosan and anionic dye molecules (such as Congo red), the cationic groups in the quaternized chitosan and the anionic dye molecules (such as Congo red) are separated from the anionic dye molecules. The material shows excellent dye removal efficiency and adsorption capacity under the conditions of normal temperature and normal pressure and hydrogen bonds provided by rich phenolic hydroxyl groups in tannic acid molecules and a pi-pi accumulation effect, the aerogel can quickly adsorb anionic dye, the adsorption process is efficient, the selectivity is high, the structure is stable, and the aerogel is degradable and can be applied to the field of dye adsorption. And the method has good reproducibility and repeated use stability, and has wide practical application and popularization prospects.

The invention provides a conjugated frame encapsulated graphene functionalized polymer anti-corrosion anti-impact double-effect heat-conducting coating and a preparation method thereof, the method comprises the following steps: step S1, mixing graphene with a bromine source to prepare brominated graphene; step S2, adding a halogen monomer, a conjugated alkyne monomer, a catalyst and the brominated graphene obtained in the step S1 into a mixed solution, and inducing a conjugated frame to perform in-situ packaging on the surface of the graphene in an inert gas atmosphere to prepare conjugated frame packaged graphene; s3, performing high-temperature carbonization treatment on the conjugated frame packaged graphene obtained in the step S2, and permeating a corrosion-resistant matrix to prepare a conjugated frame packaged graphene functional polymer; and step S4, loading a heat conduction material and a thickening agent on the graphene functionalized polymer obtained in the step S3 to prepare the graphene functionalized polymer coating. The coating prepared by the invention has the characteristics of continuous conjugate frame, hierarchical pore structure and corrosion resistance and impact resistance, and is suitable for the field of protection of efficient heat exchange equipment.

The invention relates to a thiourea-based aromatic porous organic polymer as well as a preparation method and application thereof, and belongs to the technical field of functional polymer adsorption materials. The preparation method comprises the following steps: respectively dissolving a plurality of ternary aromatic amine monomers with different electron pushing (electron donating) effects and cheap binary isothiocyanate monomers, mixing, uniformly shaking, and reacting to obtain a porous organic polymer network which is shown as organogel; and grinding the organogel into powder, then carrying out solvent exchange in dichloromethane, treating in methanol by using a Soxhlet extractor, and finally drying to obtain the product. The thiourea-based aromatic porous organic polymer provided by the invention has good adsorptive selectivity to Au, high adsorption capacity, wide pH adaptation range, good cyclic adsorption performance, simple preparation method and relatively high practical application value.

The invention discloses a functionalized polystyrene composite microsphere and a preparation method thereof, and belongs to the technical field of high polymer chemistry and high polymer materials. The functionalized polystyrene composite microspheres are prepared by adopting a one-pot method. A dispersing agent is dissolved in a mixed solution of deionized water and ethyl alcohol to form a dispersion medium, and the dispersion medium and the dispersion medium are mixed uniformly through mechanical stirring; the preparation method comprises the following steps: adding an initiator, a cross-linking agent, a functional polymer or / and a functional monomer into styrene, ultrasonically mixing uniformly, pouring into a dispersion medium, continuously mechanically mixing to obtain a stable reaction system, and starting a heating reaction; after the reaction is finished, filtering, washing and drying a sample after the sample is cooled to room temperature, so as to obtain the functionalized polystyrene composite microspheres. The microspheres prepared by the invention not only have good stability, but also solve the problems of complex preparation process, low functionalization degree and high price of functionalized polystyrene microspheres, and are beneficial to subsequent popularization and application of the functionalized polystyrene composite microspheres.

The invention provides a preparation method of an accurate miktoarm star polymer for forming a close packing spherical phase, and belongs to the technical field of high polymer materials. Based on an iterative growth method and a modular synthesis strategy, a series of discrete miktoarm star-shaped polymer libraries which have accurate chemical structures and single molecular weight and are based on polyhedral oligomeric silsesquioxane (POSS) are constructed; the miktoarm star polymer can form a hexagonal close packed spherical phase (HCP) with stable thermodynamics in the body self-assembly process. A series of isomerism polymers are designed for specific molecular parameters (such as volume fraction, topological structure, regional configuration and block number) to eliminate interference of other variables, and an ideal platform is provided for quantitatively researching the function of the molecular parameters in the self-assembly process. According to the method, the difference between experimental exploration and theoretical research can be bridged, the basic principle of self-assembly of the block copolymer can be deeply understood, and guidance is provided for reasonable design of novel functional polymer materials.

The invention relates to the technical field of rubber and its processing technology, and discloses a regenerated perfluoroether rubber and its processing technology. The invention recovers polymer materials in waste perfluoroether rubber, and adds bio-based or degradable polymer materials, surface-modified nanoparticles, functional polymer additives and environmentally friendly cross-linking agents therein to re-prepare regenerated perfluoroether rubber with excellent performance, thereby reducing environmental pollution, realizing the recycling of resources, effectively coping with the problem of resource waste, and reducing the use cost.

The invention relates to an industrial method, in particular to a method for preparing a universal functional protein nano-film on the surface of a base material, which comprises the following steps: (1) mixing a protein solution, an optional functional monomer and a photoinitiator solution to prepare a mixed solution; (2) soaking a base material in the mixed solution; and (3) irradiating with ultraviolet rays to obtain the protein nano-film on the surface of the base material. According to the universal method for continuously preparing the functional protein nano-film on the surface of the base material, rapid self-assembly aggregation and monomer polymerization of the protein can be carried out at the same time under ultraviolet induction, and the protein-functional polymer two-dimensional nano-film prepared on the surface of the base material is compact, low in roughness, high in transparency and good in application prospect. The biocompatibility is good.

The invention belongs to the technical field of thermoelectric materials and functional polymer materials, and particularly relates to thermoelectric hydrogel based on synergistic enhancement of zwitterions and a polar solvent as well as a method and application of the thermoelectric hydrogel. The thermoelectric hydrogel is obtained through the steps that a precursor solution is subjected to a polymerization reaction to form a gel matrix, then the gel matrix is soaked in a soaking solution, potassium ferricyanide / potassium ferrocyanide redox couple is introduced, and the thermoelectric hydrogel is obtained, and the precursor solution is prepared from acrylamide, N-isopropylacrylamide, dimethyl sulfoxide, N, N-dimethylformamide, N, N-dimethylformamide, N, N-dimethylformamide, N, N-dimethylformamide, N, N-dimethylformamide and N, N-dimethylformamide. The photoinitiator is prepared by mixing N, N-dimethylformamide, 1-ethyl-3-methylimidazolium tetrafluoroborate, a zwitterionic monomer [2-(methylacryloyloxy) ethyl] dimethyl-(3-sulfopropyl) ammonium hydroxide, a cross-linking agent N, N '-methylene bisacrylamide, a photoinitiator and deionized water. The thermoelectric hydrogel prepared by the invention has high mechanical strength, high ductility and high Seebeck coefficient, and has better temperature resistance.

The invention discloses a hydrogen energy fuel cell catalyst carrier based on a graphene graft polymer, which is characterized in that two-dimensional graphene is used as a substrate, the surface of the two-dimensional graphene is modified with an oxygen-containing functional group, and a functional polymer branch chain containing nitrogen, sulfur or phosphorus heteroatoms is covalently grafted to form a local three-dimensional network winding structure; the carrier is loaded with platinum, palladium, ruthenium and other metal or alloy nanoparticles, the particle size is 2-8 nm, the loading capacity is 10%-40%, and the particles are anchored to polymer functional sites or reduced in situ to a graphene defect area through coordination. A polymer branch chain has pH responsiveness and can adjust the local proton transmission efficiency; the grafting density is 3-15 grafting points per 100 carbon atoms, so that high dispersion and stable anchoring of metal particles are effectively realized; the specific surface area of the carrier is 400-800m < 2 > / g, the electrochemical active area is not less than 80m < 2 > / g, and the activity retention rate is greater than 80% after 5000 circles of accelerated durability tests. The activity, the stability and the proton conduction performance of the catalyst are remarkably improved, and the catalyst is suitable for high-performance fuel cells.

The invention relates to the technical field of preparation of functional polymer materials, in particular to organic-inorganic hybrid self-repairing polyurethane and a preparation method thereof, and the organic-inorganic hybrid self-repairing polyurethane comprises the following components in parts by weight: 20-40 parts of polytetrahydrofuran glycol; 10 to 20 parts of modified polytetrahydrofuran glycol; 1-5 parts of a hydrophilic chain extender; 20 to 45 parts of isophorone diisocyanate; 1-10 parts of a chain extender I; 2-10 parts of a chain extender II and the like. An organic-inorganic hybridization method is adopted, a polysiloxane structure is introduced into a polyurethane cross-linked network, a polysiloxane area and polyurethane polyol macromolecules are connected through covalent bonds through interface modification, and phase separation is effectively avoided; besides, a chain extender with polyfunctional groups is adopted to prepare waterborne polyurethane which has a cross-linked structure and contains dynamic covalent bonds and dynamic non-covalent bonds, the hybrid polyurethane material is finally cured to form an organic-inorganic hybrid cross-linked structure, and the organic-inorganic hybrid polyurethane material has the characteristics of high strength and high self-repairing performance; wide application prospects are realized.

The invention discloses a high-weather-resistance fluorocarbon powder coating as well as a preparation method and application thereof in the field of functional polymer materials. The coating disclosed by the invention takes a fluorine-containing polyurethane grafted polytetrafluoroethylene copolymer and phosphorus-silicon synergistic modified nano clay as core modification components. Wherein the fluorine-containing polyurethane grafted polytetrafluoroethylene copolymer is polymerized with monomers such as fluorine-containing diol and isocyanate through a polytetrafluoroethylene emulsion under the protection of nitrogen to form a fluorocarbon-polyurethane double-main-chain structure, so that the crosslinking density and the photooxidation resistance are improved; phosphorus-silicon synergistic modified nano clay is subjected to interlayer intercalation, phosphorus source modification and silane coupling agent treatment to form a physical barrier layer, enhance interface bonding and hinder water vapor permeation. The formula of the coating further comprises an HDI tripolymer curing agent, rutile type titanium dioxide and other pigments and fillers and auxiliaries. The preparation method comprises the following steps: premixing all the components, extruding by double screws, tabletting and crushing, and carrying out jet milling. The product can be applied to the surface of a metal workpiece, and the weather resistance of the product in an extreme environment is remarkably improved.

The present disclosure provides a novel type of fiber monofilament for use in place of non-sustainable cotton. The fiber monofilaments comprise at least 50% by weight of non-regenerated microfibrillated cellulose (MFC), an amino-functional polymer component, and an epoxy-functional crosslinker. In addition, the present disclosure provides a product comprising the fiber monofilament and a method of making the fiber monofilament.

The invention belongs to the technical field of functional polymer composite caulking materials, and relates to a polyurethane caulking material based on shape memory assisted self-repairing and a preparation method thereof. The polyurethane caulking material is prepared from the following raw materials in parts by mass: a component A and a component B, the component A is prepared from 20 to 30 parts of isocyanate and 100 parts of polyhydric alcohol; and the component B comprises 1-13 parts of a sulfur-containing chain extender for providing dynamic disulfide bonds, 1-5.4 parts of a common chain extender, 0-30 parts of a plasticizer, 0.5-1.5 parts of a water removal agent and 20-40 parts of a solvent. During preparation, the component B and the component A are mixed at the temperature of 40-60 DEG C, defoamed at the temperature of 30-50 DEG C and then injected into a mold, and the polyurethane caulking material based on shape memory assisted self-repairing is obtained after curing. The problem that an existing polyurethane caulking material lacks self-repairing capacity after cracks are generated is solved.

The invention relates to the field of membrane material preparation, in particular to an amino acid derivative polymer membrane material and a preparation method thereof. The preparation method provided by the invention comprises the following steps: S1, preparing a polymer solution; S2, forming and depositing a membrane; S3, carrying out surface modification on the membrane; and S4, carrying out crosslinking treatment. The functional polymer membrane material is synthesized through the amino acid derivative, selective separation of specific ions or molecules can be achieved, and good biocompatibility, stability and application prospects are achieved. The technology can be widely applied to multiple fields of biological separation, environment purification, drug delivery and the like, and has remarkable innovativeness and practical value.

The invention discloses a high-color-fastness washable polyethylene fabric and a preparation process thereof in the field of functional polymer materials. The high-color-fastness washable polyethylene fabric is prepared from the following raw materials: polyethylene resin, maleic anhydride-acrylic acid copolymer grafted polyethylene, dopamine-silane composite modified polyethylene, magnesium stearate and an antioxidant. Wherein the maleic anhydride-acrylic acid copolymer grafted polyethylene is prepared by copolymerizing maleic anhydride and acrylic acid and then blending and granulating with polyethylene, and carboxyl and acrylate groups are introduced to enhance the binding force with dye; the dopamine-silane composite modified polyethylene is prepared through polyethylene surface hydroxylation, dopamine self-polymerization modification and silane grafting reaction, and the acting force and hydrophobicity between fibers are doubly improved through a catechol group and an epoxy group. According to the prepared fabric, the color fastness and the washing resistance are remarkably improved, meanwhile, the original characteristics of light weight and chemical corrosion resistance of polyethylene are kept, and the application scene is expanded.

The invention discloses silicon-free fluorine-free hydrophobic bactericidal water-based polyacrylic resin as well as a preparation method and application thereof, and belongs to the technical field of water-based functional polymer coating materials. The resin is prepared from the following raw materials: deionized water, a non-special acrylic functional monomer component, a special acrylic functional monomer component, a polyvinyl alcohol modified nano zinc oxide component, an emulsifier component and an initiator component. On the basis of a'molecular bridge crosslinking-nanostructure coupling 'strategy, 1, 6-hexanediol diacrylate of a hydrophobic long alkyl chain is introduced into polyacrylic resin containing a tert-butyl chain to construct a crosslinking molecular bridge, so that synergistic hydrophobicity of tert-butyl and long-chain alkyl is promoted, and meanwhile, a polyvinyl alcohol modified nano zinc oxide component is designed and introduced; the efficient integration of hydrophobic barrier and antibacterial site functions is synergistically realized, a more environment-friendly multifunctional solution is provided for the field of functional finishing and protection of textiles such as medical protection, outdoor sports and household textiles, and the application prospect is wide.

The invention relates to the technical field of functional polymer composite materials, in particular to an intermediate film for laminated glass based on color generation of a photonic crystal structure and a preparation method of the intermediate film. The intermediate film comprises a thermoplastic resin matrix and a three-dimensional photonic crystal structure region dispersed in the thermoplastic resin matrix, wherein the three-dimensional photonic crystal structure region is formed by self-assembly of monodisperse microspheres, and the central wavelength of a photonic forbidden band of the region is located in a visible light range. According to the invention, a three-dimensional photonic crystal structure is constructed in the intermediate film, and structural color generation is generated by utilizing selective reflection of the photonic band gap effect on visible light with a specific wavelength. According to the laminated glass, the color is generated by interference of light instead of absorption of chemical pigments, so that the color can be continuously and regularly changed along with the change of an observation angle or an incident light angle, the dynamic and changing visual aesthetic feeling is given to the laminated glass, and the higher requirements of the fields of modern buildings, automobiles and the like on dynamic aesthetics and personalized appearance are met.