59 results about "Supramolecular polymers" patented technology

This invention discloses a method for preparing a single-component room-temperature phosphorescent / fluorescent dual-emission polymer film, comprising: reacting a terminal amino-substituted alkane with halogen-modified naphthalenecarboxylic anhydride to synthesize an organic light-emitting small molecule with phosphorescent / fluorescent dual-emission function; and mixing the obtained organic light-emitting small molecule into a dynamically cross-linked supramolecular polymer to obtain a single-component room-temperature phosphorescent / fluorescent dual-emission polymer film. This invention also discloses the single-component room-temperature phosphorescent / fluorescent dual-emission polymer film prepared by the above method and its applications. The preparation method of this invention is simple and low-cost. The polymer film prepared with only a single component can generate a phosphorescent / fluorescent dual-emission ratio light signal with stable emission. The film color changes with changes in ambient humidity, and the film can sense ambient humidity in the range of 1–100%, showing broad application prospects in sensing, anti-counterfeiting, and bioimaging fields.

The invention provides a supramolecular polymer composition capable of co-assembly to maintain a three dimensional (3-D) macrostructural form after 3-D printing, made of a solvent, a template molecule; and a reactive component. The reactive component can be at least one monomer that is capable of hydrogen bonding with the template molecule to form a 1D supramolecular structure. The template may be an amphiphilic polymer. The monomer has at least two pendant groups capable of covalent crosslinking. The invention also includes a 3-D structure formed by crosslinking a 3-D printed supramolecular polymer composition, which optionally has a mesoporous structure. Also included is a method of manufacturing a 3-D structure by delivering a supramolecular polymer composition onto a surface of a substrate to form the 3-D structure.

The invention discloses a symmetric dipeptide supramolecular monomer based on bipyridine as well as a preparation method and application of the symmetric dipeptide supramolecular monomer based on bipyridine, and the symmetric dipeptide supramolecular monomer based on bipyridine is formed by connecting glycine-alanine dipeptide and chain alkoxy ether or dendronized alkoxy ether to bipyridine by taking bipyridine as a skeleton, and carrying out self-assembly in an aqueous solution to form the supramolecular polymer. The supramolecular polymer can realize polypeptide supramolecular self-assembly and dynamic regulation and control of supramolecular chirality through coordination and de-coordination with different metal ions, and also can realize adjustment of the average particle size of an assembly system through structural change of metal ion coordination so as to change the fluorescence property of the assembly system; meanwhile, the reversible temperature-sensitive phenomenon of the assembly in an aqueous solution is realized by adjusting the dendronized alkoxy ether, and the influence of temperature response on the chirality of the assembly is investigated.

The application discloses a kind of dynamic slip ring supramolecular polymer network and preparation method and application thereof, belong to supramolecular polymer technical field, preparation method is: acrylic ester monomer, initiator, accelerator and poly (caprolactone) single propylene modified column [5] areocenes The polyrotaxane of initiator and accelerator occurs RAFT polymerization under inert gas atmosphere, and the dynamic slip ring supramolecular polymer network of the preparation method is obtained;This method is simple, and reaction condition is mild, easy to implement;Compared with traditional covalent polymer network, the supramolecular polymer network prepared by the method has dynamic, more excellent mechanical mechanical property and energy dissipation, and has application potential in preparation of adhesive and / or toughening agent.

The invention provides unilateral functionalized column [5] arene, a metal supramolecular polymer constructed by coordination and orthogonal assembly of the unilateral functionalized column [5] arene and metal through host-guest interaction and application of the unilateral functionalized column [5] arene. The invention designs and synthesizes a unilateral functionalized column [5] arene DNBP5 with a novel structure. The molecule simultaneously contains a column [5] arene cavity capable of generating subject-object interaction with a guest molecule and a pyridine group capable of generating coordination interaction with metal ions. DNBP5 is used as a subject, disulfide bond connected bilateral secondary ammonium salt modified G-2SNHP is used as an object, silver ions are used as metal ions, and the metal supramolecular polymer is obtained through orthogonal assembly in a chloroform solution through subject-object interaction and metal coordination interaction. The polymer can form thermal response type gel when the concentration in chloroform is greater than or equal to 100 mM, the phase transition temperature is 45-50 DEG C, and the polymer has a reversible sol-gel conversion behavior, so that the polymer has a wide application prospect in the field of stimulation response intelligent materials.

The application discloses a boiler ash and coking removing agent, a preparation method and application thereof, and belongs to the technical field of coking removing agents. The application is used for solving the technical problems of slow coking removing effect of solid coking removing agents and poor coking removing effect of liquid coking removing agents in the prior art. The boiler ash and coking removing agent comprises aluminum nitrate, potassium nitrate, magnesium nitrate, composite catalyst microspheres, mixed organic acid and water. A multi-amino polyphenyl polycondensate solution and toluene diisocyanate are reacted to obtain a supramolecular polymer solution; sodium hydroxide, dodecyl dimethyl betaine, paraffin wax, copper oxide and iron oxide are uniformly mixed to obtain a mixture; and the composite catalyst microspheres are prepared by coating the mixture with the supramolecular polymer solution; and the composite catalyst microspheres can realize fixed-point blasting under high-temperature conditions. The prepared boiler ash and coking removing agent is sprayed into a boiler in a atomizing mode for coking removing, and has the advantages of rapid coking removing reaction and good coking removing effect.

The application provides a monomer for constructing a supramolecular polymer network, a toughened epoxy resin containing the monomer, and a preparation method and application thereof, and belongs to the technical field of supramolecular polymers.The monomer is composed of an ethoxy columnar arene and a cyano long alkyl chain, and forms a supramolecular polymer network through self-assembly; an epoxy resin monomer and a curing agent polyether amine are cured to form an epoxy resin network; and the supramolecular polymer network and the epoxy resin network are intertwined to obtain a toughened epoxy resin based on a double-network structure.The toughened epoxy resin dissipates energy through dissociation and recombination of host-guest interaction in the supramolecular polymer network, so that the strength and toughness are simultaneously improved, the mechanical properties of the epoxy resin are enhanced, and the toughened epoxy resin has great application potential in the field of high-performance polymer materials.

The application discloses a lignin nanobottle-based photothermal super-hydrophobic deicing coating composition, a coating and a preparation method and application thereof, and belongs to the technical field of coating materials. The coating composition comprises, in mass fractions, 1-20 parts of matured modified lignin nanobottle, 1-10 parts of aminopropyl-terminated polydimethylsiloxane, 1-10 parts of trimesaldehyde, 10-100 parts of hexadecyl trimethylsilane, 10-70 parts of methyl trimethoxysilane and 3000-3500 parts of a solvent. The lignin nanobottle is modified by maturation to enhance the stability and photothermal performance, the aminopropyl-terminated polydimethylsiloxane and the trimesaldehyde are subjected to Schiff base reaction to form an imine bond cross-linked hydrophobic supramolecular polymer, so that the coating has excellent self-healing property and the stability of the coating is enhanced. The various components cooperate with each other, greatly improve the hydrophobic property, weather resistance and deicing property of the coating, and prolong the service life of the coating.

The present application relates to oil and gas field development reservoir reconstruction technical field, specifically, it relates to a kind of slow acid system for high temperature stratum oil well exploitation, by weight percentage, the slow acid system is made of the following raw material components: hydrochloric acid: 15%-25%; Thickening agent: 0.5%-4.0%; High-temperature corrosion inhibitor: 3.0%-4.0%; Corrosion inhibitor synergist: 0%-2.0%; Iron ion stabilizer: 0.5%-1.5%; Assistant: 0.5%-1.5%; Clay stabilizer: 0.5%-1.5%; Gel breaker: 0.1%-2.0%; The rest is water;Wherein, the thickening agent is emulsion type supramolecular polymer.The emulsion type supramolecular polymer can effectively hinder the mass transfer diffusion of hydrogen ion to rock surface, ensure the feasibility of deep well large capacity construction, and ensure that acid liquid has very strong fracture width capacity and sand carrying capacity in fracture.

The invention discloses a chiral gold-copper nanocluster oligomer as well as a preparation method and application thereof. The preparation method comprises the following steps: enabling chiral six-membered ring oxazinyl thione to react with triethylamine and chlorogold in methanol by virtue of a ligand-induced self-assembly strategy, synthesizing a gold-cluster-based supramolecular polymer in situ by virtue of a one-pot method, and then coordinating the gold-cluster-based supramolecular polymer with copper tetraacetonitrile hexafluorophosphate to construct a chiral Au-Cu alloy nanocluster oligomer. The oligomer can trigger the generation of reactive oxygen species (ROS) through a glutathione responsive ligand exchange mechanism, and significantly destroys the redox steady state in bacterial cells. The broad-spectrum antibacterial efficiency on gram-positive bacteria and gram-negative bacteria reaches 100%. The chiral metal oligomer provides a new strategy for developing an anti-infection-healing promoting integrated medical material, and has application potential in the fields of chronic wound dressings and anti-biofilm instruments.

The invention belongs to the technical field of functional material preparation, and particularly relates to a self-healing material and a preparation method and application thereof. The self-healing material has a specific structural formula, can automatically repair the damage of the ice-resistant coating at room temperature without external stimulation, and the repaired ice-resistant coating still has high mechanical strength and tensile property. A polymer chain in the self-healing material spontaneously forms a dynamic supramolecular polymer, strong hydrogen bond interaction force and weak hydrogen bond interaction force exist in a polymer chain segment, a composite hydrogen bond network is formed, the hydrogen bond density is remarkably improved, the number of hydrogen bond donors or acceptors is increased, the hydrogen bonds can be self-healed after being damaged due to reversibility of the hydrogen bonds, and the self-healing effect is good. The repairing efficiency and the self-healing capability are improved.

The present disclosure provides a supramolecular polymer comprising phosphate and a organic ammonium. The organic ammonium may be HNR3 + where each R is independently selected from hydrogen or an organic substituent and at least one R is the organic substituent. Each R may be independently selected from optionally substituted aliphatic or benzyl groups. The present disclosure also provides methods for making and using the same.

A makeup composition, which may be used, e.g., as a primer or setter for another composition, may be an emulsion having an aqueous discrete phase, a fatty continuous phase, and 10%-20% by weight of silica. The fatty phase may include an alkane present in an amount of 5%-30% by weight of the makeup composition. The makeup composition may be a solid emulsion. The makeup composition may be free of UV-absorbing composite particles. The makeup composition may be free of supramolecular polymers.

The invention discloses a flexible impact-resistant supramolecular polymer as well as a preparation method and application thereof. The supramolecular polymer is a polydisulfide / quaternary ammonium base supramolecular polymer obtained by polymerizing disulfide with carboxyl and quaternary ammonium base with structural water. The flexible impact-resistant supramolecular polymer has high impact resistance and good flexibility, realizes soft and hard switching in a single polymer, has good protection performance for human bodies and objects, and forms a multi-stage energy dissipation system by a strong hydrogen bond network and a salt bridge, so that the energy dissipation efficiency is improved. Therefore, the polymer has excellent impact resistance, and also has good self-healing performance and strong adhesion performance.

The application discloses a multifunctional transparent display and dark color dimming composite film and a preparation method thereof, and belongs to the technical field of dimming films. The multifunctional transparent display and dark color dimming composite film comprises, from top to bottom, an upper layer of conductive base material, a dark color dimming composite layer, a photochromic layer and a lower layer of conductive base material which are sequentially stacked. The preparation method of the composite film comprises the following steps: 1) preparing a dark color dimming composite layer slurry and a photochromic layer slurry; 2) assembling the dimming film; and 3) post-processing. In the application, the photochromic spirooxazine unit is in the form of a secondary ammonium salt, and is assembled with a supramolecular polymer matrix with a side chain hanging calabash [6] urea, and a dynamic and reversible non-covalent bond cross-linking and molecular inclusion protection mechanism is used, so that the key technical bottlenecks of traditional photochromic materials in the aspects of cycle stability, single function and processing compatibility are successfully solved, and the construction of a high-performance, multiple-stimulus-response intelligent material is realized.

The invention discloses an aryl acetylene supramolecular polymer with adjustable circular polarization luminescence, preparation and application, and relates to the technical field of circular polarization luminescent materials, and the specific preparation method comprises the following steps: reacting methyl gallate with bromododecane to obtain a compound A; reacting the compound A with sodium hydroxide to obtain a compound B; the compound B, 1-(4-bromophenyl) ethylamine, 1-ethyl-(3-dimethylaminopropyl) carbodiimide and 4-dimethylaminopyridine are subjected to a reaction, and a first intermediate is prepared; reacting the first intermediate, dichlorobis (triphenylphosphine) palladium, copper iodide and trimethylsilylacetylene to prepare a second intermediate; reacting the second intermediate, dichlorobis (triphenylphosphine) palladium, copper iodide and a diiodo-substituted aromatic compound to prepare aryl acetylene; and S6, dissolving aryl acetylene in an organic solvent to obtain the aryl acetylene supramolecular polymer with adjustable circular polarization luminescence. The invention develops a CPL material with tunable properties.

The invention discloses a star-shaped hyperbranched compatilizer and a preparation method thereof, and a PC / PMMA / SPs alloy material and a preparation method thereof. The preparation method of the star-shaped hyperbranched compatilizer comprises the following steps: preparing alkyl Gu2 by taking an aqueous solution of 1, 7-diaminoheptane and methylisourea hemi-sulfate salt as a main raw material; the preparation method comprises the following steps: mixing an aqueous solution of sodium hexametaphosphate and an aqueous solution of alkyl Gu2, carrying out spontaneous liquid-liquid phase separation under the action of a salt bridge to form a condensation body, concentrating a lower-layer phase to obtain a 3D cross-linked supramolecular polymer network between sodium hexametaphosphate and alkyl Gu2, and carrying out rotary evaporation and drying to obtain a final product, namely the star-shaped hyperbranched compatilizer SPs. The compatilizer SPs disclosed by the invention is applied to a PC / PMMA system alloy, so that the difficulties of phase separation and optical performance of the PC / PMMA system are broken through, the transparency of the alloy material is ensured, and meanwhile, the mechanical property of the alloy material is improved.

The application relates to a high-temperature-resistant and organic-solvent-resistant supramolecular polymer adhesive and a preparation method. The preparation method of the high-temperature-resistant and organic-solvent-resistant supramolecular polymer adhesive comprises the following steps: dissolving an inorganic salt in a solvent to obtain an inorganic salt solution, then adding a regulator and an organic ligand to obtain a polymer precursor solution; dissolving a dynamic covalent bond ligand in the solvent to obtain a dynamic covalent bond ligand solution; adding the polymer precursor solution into the dynamic covalent bond ligand solution to react, and drying to obtain the high-temperature-resistant and organic-solvent-resistant supramolecular polymer adhesive. Under the action of the regulator, the inorganic salt is first coordinated with the organic ligand, then the dynamic covalent bond ligand is added, and the high-temperature-resistant and organic-solvent-resistant supramolecular polymer adhesive with high strength and good dynamic reversibility is constructed in situ.

The application belongs to the field of polymer composite membranes and preparation thereof, and relates to a preparation method of a supramolecular polymer composite membrane. The supramolecular polymer composite membrane is prepared by the following steps: forming a supramolecular film at a water-oil liquid-liquid interface in an interfacial polymerization manner through a supramolecular crosslinking agent in a water phase and an amino polymer in an oil phase, and transferring the supramolecular film to a porous support membrane to prepare the supramolecular polymer composite membrane by the method of immersing the porous support membrane in the bottom water phase in advance. The obtained supramolecular polymer composite membrane has good mechanical properties, a complete structure without defects, a thickness of about 300 nm and a certain roughness, and exhibits excellent separation performance in the field of dye molecule separation.

The present disclosure relates to inhibition of platelet absorption. Cardiovascular grafts with highly reduced thrombosis are provided. The cardiovascular graft is an electrospun nonwoven web produced from a supramolecular polymer of large diameter fibers. The cardiovascular graft can be implanted in a human body as a vascular graft to allow blood vessel bypass / reconstruction, or repeated venous access for dialysis treatment, as well as other small diameter vascular disorders.

The invention discloses intrinsic flame-retardant EVM composite rubber and a preparation method, and relates to the field of high polymer materials, and the composite rubber is prepared by mechanically mixing raw materials including EVM raw rubber and supramolecular polymers and then hot-pressing and vulcanizing; the supramolecular polymer is a flowable substance prepared by mixing a polyphosphonic acid compound, tertiary nitrogen-containing acrylate and a polyamine compound in an aqueous solution in multiple steps and then dehydrating; through in-situ grafting of the supramolecular polymer and EVM in the vulcanization process, an intrinsic flame-retardant dynamic reversible supramolecular network is constructed, and the processability, the flame retardant property and the mechanical property of the material are remarkably improved.

The application discloses a supramolecular polymer porous material PTP3, which is formed by cross-linking a triphenyl macrocycle with a large cavity to form a supramolecular polymer porous material PTP3, and the complex polymer network structure is formed by the cross-linking mode, so that the triphenyl macrocycle TP3 with a large cavity becomes the supramolecular polymer porous material PTP3 with a larger specific surface area, and the combination capacity for dye molecules is improved. Due to the rich cavity and network structure of the polymer porous material, the supramolecular polymer porous material PTP3 has a faster removal rate and a smaller adsorbent dosage when adsorbing and removing multi-component dyes in water. The application provides a new idea for a new supramolecular adsorbent for removing dyes in a water solution.

A makeup composition, which can be used, for example, as a makeup base or as a fixative for another composition, may be an emulsion having a discrete aqueous phase, a continuous oily phase, and 10% to 20% by weight of silica. The oily phase may include an alkane present in an amount of 5% to 30% by weight of the makeup composition. The makeup composition may be a solid emulsion. The makeup composition may be free of UV-absorbing composite particles. The makeup composition may be free of supramolecular polymers. Figure for abbreviation: none

The invention relates to a preparation method of a high-stretchability organosilicon supramolecular elastomer, which comprises the following steps of: forming a pseudorotaxane structure by aldehyde group modified crown ether and secondary ammonium salt through subject-guest interaction, and introducing the pseudorotaxane structure into a polydimethylsiloxane prepolymer to obtain the high-stretchability organosilicon supramolecular elastomer. The invention provides the crown ether supramolecular polymer network which is excellent in performance, easy to synthesize and mild in synthesis condition, and the host-guest interaction of crown ether and secondary ammonium salt enables the supramolecular polymer network to have good dynamic property. And when being used as a toughening agent to be added into the organic silicon elastomer, the organic silicon elastomer has better mechanical property and energy dissipation, and the maximum elongation and ductility of the organic silicon elastomer are greatly enhanced under the condition that the mechanical strength is not sacrificed.

The invention provides a crystalline-state supramolecular polymer based on snap ring aromatic hydrocarbon charge transfer and application of the crystalline-state supramolecular polymer. The polymer is formed by self-assembly of electron-rich snap ring aromatic hydrocarbon (CLP) and electron-deficient 7, 7, 8, 8-tetracyano p-benzoquinone dimethane (TCNQ) through host-guest charge transfer (CT). The crystalline supramolecular polymer constructed by CT can be used as a good photothermal conversion material. Due to the strong pi-pi accumulation effect between the CLP and the TCNQ, the crystalline supramolecular polymer is converted from radiative transition to non-radiative transition under illumination, so that the crystalline supramolecular polymer has the photothermal conversion performance. The temperature is raised to 110.4 DEG C under simulated sunlight (0.35 W / cm) and is raised to 160.4 DEG C under 808 nm laser (0.70 W / cm), and the cycling stability is excellent. According to the invention, the problem of limited selection of existing charge transfer eutectic electron pairs is solved, and a novel material basis is provided for solar energy capture and heat energy conversion.

This invention provides a biochar-based Fe single-atom catalyst, its preparation method, and its application. The preparation method includes the following steps: calcining shrimp shells under a nitrogen or inert gas atmosphere to obtain biochar, followed by acid washing, cleaning, and drying to obtain biochar SO; dissolving melamine and cyanuric acid in DMSO to obtain solution A and solution B; dissolving ferric citrate in solution A and then adding it to solution B; stirring and reacting; filtering, washing, and drying to obtain supramolecular polymer MCA; mixing the obtained SO and MCA at a mass ratio of 1:0.25~1, grinding, and then co-pyrolyzing at 450-750℃ for 1-5 hours under a nitrogen or inert gas atmosphere, followed by cooling. The technical solution of this invention exhibits high catalytic activity, can efficiently catalyze the rapid degradation of aniline by PMS, is low in cost, has minimal environmental impact, and is safe, showing great application potential in the treatment of aniline-related wastewater.

A supramolecular material comprising a 2:2:2 assembly, the 2:2:2 assembly comprising a pair of macrocycles, two anionic species dimerized within the pair of macrocycles, each anionic species is a conjugate base of an organophosphoric acid moiety or a conjugate base of an organophosphonic acid moiety, and two cationic species, wherein each of the cationic species comprise a protonated nitrogen and each of the cationic species are hydrogen bonded by a N+—H···O salt bridge to an oxygen of the anionic species. Supramolecular polymers comprising a plurality of 2:2:2 assemblies are also provided. Methods for preparing the supramolecular materials are also provided.

The invention relates to the field of biomedical engineering, in particular to a preparation method of a developable intelligent response lacrimal ductule embolism. The preparation method of the developable intelligent response lacrimal ductule embolism comprises the following specific steps: (1) taking cyclodextrin and a hydrophilic polymer, adding water for dissolving and mixing, adding a nucleating agent to prepare a water response supramolecular polymer system, and drying; (2) dissolving the dried intelligent response supramolecular polymer and an iodine-containing compound in an organic solvent, then dropwise adding into water, self-assembling to obtain an iodine-containing intelligent polymer material, and preparing a film through a casting method; the iodine-containing compound is an inorganic iodide, an organic iodide, iodate or other iodine compounds; (3) processing the film into a lacrimal ductule embolism material suitable for lacrimal duct implantation through a micromachining technology; the micromachining technology is a photoetching technology or an etching technology, and the lacrimal ductule embolism implanted into the lacrimal duct is a cylinder with the diameter of 0.2-1.0 mm and the length of 4-8 mm.

The invention belongs to the technical field of biological medicine, and particularly relates to a magnesium oxide nanoparticle drug delivery system as well as a preparation method and application thereof. MgO is used as a drug-loading core, the outer layer of MgO is coated with the polydopamine organic coating and the modified hyaluronic acid supramolecular polymer, meanwhile, copper ions are introduced, and the obtained magnesium oxide drug-loading nanoparticle drug delivery system shows an excellent effect in an anti-atherosclerosis experiment. According to the invention, the magnesium oxide nano-particle drug delivery system is used for treating atherosclerosis for the first time, and a new thought and a new direction are provided for constructing a novel anti-atherosclerosis treatment drug.

The application belongs to the technical field of supramolecular polymers and inorganic-organic hybrid materials, and particularly relates to a supramolecular oxygen-rich glass as well as a preparation method and application thereof. Compared with the prior art, the application integrates cyclodextrin as a functional building unit into a silane-polymer hybrid network through a covalent bond, successfully constructs a glass material with rigidity, amorphous characteristics and inherent microporous structure, and the inherent cavity of the cyclodextrin, the silane micropore and the free volume of the polymer network synergistically act to give the material excellent oxygen permeability, the material has the screening ability of oxygen and nitrogen, and the unification of high transparency, high mechanical strength and significant gas permeability is successfully realized, and the technical bottlenecks of traditional porous materials, such as large brittleness and non-breathable polymer glass, are broken.