17 results about "Macromolecular Compounds" patented technology

The application discloses a heating transmission device suitable for in-situ detection of ultrahigh-temperature pyrolysis reaction, comprising a heating pipe and an adjusting assembly; a sample outlet end of the heating pipe is connectable to a detection device; the heating pipe is divided into a low-temperature zone, a high-temperature zone and an annealing zone; a first water-cooled electrode is arranged outside the low-temperature zone; and a second water-cooled electrode is arranged outside the annealing zone; the adjusting assembly comprises a guide rail and a sliding block; and the sliding block is connected with the first water-cooled electrode or not. The application forms a variable-diameter and variable-temperature zone through combination design of the heating pipe and the water-cooled electrode, guarantees contact between the heating pipe and the protective electrode, builds a relatively slow and uniform temperature gradient in the annealing zone, guarantees generation and dispersion of product molecules and improves transmission efficiency of macromolecular compounds. The application is convenient to connect with a mass spectrometer, can realize in-situ analysis of ultrahigh-temperature pyrolysis reaction and solves the problem that macromolecular products such as polycyclic aromatic hydrocarbons, fullerenes and the like cannot be detected in-situ due to aggregation caused by intermolecular forces in the pyrolysis reaction.

The invention discloses an organic monocyclic macromolecular compound electrode material, a preparation method and application of the organic monocyclic macromolecular compound electrode material in a lithium ion battery. The organic monocyclic macromolecular compound electrode material is a monocyclic polybenzoquinone derivative which is obtained by carrying out dehydration condensation reaction on tetraaminobenzoquinone and disodium rose acid. The organic monocyclic macromolecular compound has a relatively large conjugated system and a relatively large aperture structure, is beneficial to full exposure of active sites and rapid transmission of ions, and remarkably inhibits the dissolution behavior of a material in an organic electrolyte, so that the cycling stability and the rate capability of a battery are remarkably improved. The molecular structure of the material contains a plurality of redox active sites (C = O and C = N), and can be reversibly coordinated with lithium ions to realize efficient lithium storage. The organic monocyclic molecular compound electrode material has high capacity, high stability and excellent rate capability, shows excellent electrochemical performance in a lithium ion battery system, and has high energy density and long service life.

A hydrophobic latex polymer having a small particle size is disclosed. Polymerized via a reaction mixture including a hydrophobic monomer, a macromolecular organic compound having a hydrophobic cavity such as a cyclodextrin, a surfactant that is sterically hindered from complexing with the macromolecular compound, and an initiator, the resulting latex polymer has a small polymer size, lacks grit, and is producible without undesirable reactor deposits.

Provided are a tetrodotoxin conjugate, a method for preparing same, and use thereof. A carboxyl-containing macromolecular compound and tetrodotoxin are used as the starting materials, and after a catalyst and a solvent are added, the tetrodotoxin conjugate is obtained by means of a coupling reaction. The carboxyl-containing macromolecular compound is selected from carboxylated dextran, carboxylated β-cyclodextrin, alginic acid, and polyacrylic acid. The tetrodotoxin conjugate can be used in the preparation of a sodium channel blocker and a medicament for treating neuropathic pain caused by chemotherapy, and possesses an analgesic effect associated with tetrodotoxin (TTX). In addition, the therapeutic window is increased, thereby greatly improving the safety.

Provided is a macromolecular compound that, when used in a photoresist resin composition, has high sensitivity and excellent resolution, can accurately form a fine pattern, and can reduce the occurrence of development defects. Also provided is a photoresist resin composition that has high sensitivity and excellent resolution, can accurately form a fine pattern, and can reduce the occurrence of development defects.　The macromolecular compound contains at least a monomer unit a represented by formula (a) and a monomer unit b having an alicyclic skeleton that has a polar group (however, this does not include a monomer unit c represented by formula (c)). The monomer unit c content is less than 5 mol% relative to all of the monomer units constituting the macromolecular compound.

To provide an electric or electronic device having excellent heat resistance and moisture resistance. The electric or electronic device of the present disclosure having a configuration including a first electrode layer, a conductive material layer, and a second electrode layer that are layered in this order,the conductive material layer containing a conductive material having a configuration in which a conjugated macromolecular compound is doped with an anion selected from the group consisting of a nitrogen anion, a boron anion, a phosphorus anion, and an antimony anion. The anion is preferably an anion represented by Formula (a-1) or (a-2).

Provided is a novel sulfur-containing polymer and a method for producing the same, a composition comprising the novel sulfur-containing polymer, and a sulfur-containing compound. The sulfur-containing macromolecular compound of the present invention has a structural unit represented by, for example, the following formula (1):wherein in formula (1), n represents a number of 1 or more, R represents an organic group, and R1 represents a divalent organic group derived from a polycondensable functional group. The method for producing a sulfur-containing macromolecular compound of the present invention comprises reacting a linear sulfur polymer and compound C having two polycondensable functional groups to obtain a sulfur-containing macromolecular compound.

The present disclosure relates to a bioflavonoid composition comprising a bioflavonoid, at least one surfactant with a molecular weight between 300 and 1500 g / mol, and optionally a macromeric compound. The composition exhibits enhanced solubility and bioavailability and may be formulated into various delivery formats, including hard gelatin capsules and nutraceutical food products. The present disclosure also relates to a process for preparing the composition involves mixing the bioflavonoid with optional polysaccharides and suspending agents, followed by the addition of an aqueous surfactant and binder solution. The composition of the present disclosure is suitable for use in dietary supplements or medicaments and may be administered to manage various health conditions or disorders.

The application belongs to the technical field of polymer synthesis, and relates to a polyester macromolecular compound and a synthesis method thereof. The method uses a heterocyclic lactone of formula 1 as raw material, uses an organic base as a catalyst, and performs ring-opening polymerization under the condition of an initiator to obtain the polyester macromolecular compound. The application first realizes the preparation of the polyester macromolecular compound. The raw material heterocyclic lactone used in the method has a simple preparation method, is widely sourced, the catalyst used has a simple preparation method, is low in cost and good in activity, and the application can effectively alleviate the harm caused by the greenhouse effect. The application also discloses application of the polyester macromolecular compound. The polyester macromolecular compound has good physical and chemical properties and recyclability, and has a wide application prospect.

The present application relates to a kind of methods for screening active ingredients of salvia miltiorrhiza and chuanxiong as tissue factor inhibitors and purposes, comprising: according to the requirement of pharmacophore model construction, obtain small molecule compounds with inhibiting TF coagulation activity as data set, data set is split into training set and test set, construct pharmacophore with activity prediction ability;With the pharmacophore with activity prediction ability constructed from multiple active ingredients of salvia miltiorrhiza and chuanxiong Virtual screening active molecule, multiple small molecule compounds with inhibiting TF coagulation activity are screened;Determine the macromolecular compound of TF related protein from PDB database;Using molecular docking software, small molecule compounds with inhibiting TF coagulation activity are screened, and docking is carried out with the macromolecular compound of TF protein, the docking result is combined to form complex, and the result is visualized using Schrodinger, the purpose is to find new small molecule inhibitors, obtain TF inhibitor with good bioavailability.

The invention discloses a preparation method for synthesizing a biological conjugate (ConA-MB) of methylene blue (MB) and concanavalin A (ConA) and application of the biological conjugate. According to the preparation route, methylene blue reacts with sarcosine to generate a compound II, and the compound II is coupled with ConA to form the ConA-MB macromolecular compound. The ConA-MB can effectively target periodontal pathogenic bacteria such as fusobacterium nucleatum and porphyromonas gingivalis, and the mechanism of the ConA-MB is that the ConA can specifically recognize lipopolysaccharide of an outer membrane of the bacteria and destroy bacterial cells, so that methylene blue enters the bodies of the bacteria, the targeted enrichment of the MB in the bacteria is improved, and the antibacterial effect is achieved. A photodynamic experiment proves that compared with pure MB, ConA-MB shows a higher combination speed and a stronger sterilization effect.

The application discloses a method for photoinduced deconstruction of waste and old rubber, and utilizes the chemical reaction principle that nitroaromatic compounds can occur radical cycloaddition with carbon-carbon double bond under ultraviolet light induction to generate "N-doped" ozonide, and further generate terminal carbonyl compounds through hydrolytic ring cleavage, so as to deconstruct the waste and old rubber. The photoinduced deconstruction method has the advantages of mild reaction condition, low energy consumption, high safety, green environmental protection and the like, and the deconstruction product containing active terminal carbonyl can be obtained after rubber cracking, which lays an important structural foundation for further molecular design, functional group modification and synthesis of novel organic small molecules and macromolecular compounds, and can effectively realize molecular level regeneration and resource recycling of the waste and old rubber, and opens up a new path for low-carbon and sustainable development of the rubber industry.

The utility model provides a system for filtering, adsorbing and removing foaming factors in organic amine, which comprises a three-stage filtering unit, the three-stage filtering unit comprises a coarse filter, an activated carbon filter and a fine filter, and an outlet of the three-stage filtering unit is provided with a powdered activated carbon adsorption unit; the powdered activated carbon adsorption unit comprises a first mixing tank and a second mixing tank which are communicated with the outlet of the fine filter, and separators communicated with the first mixing tank and the second mixing tank are arranged at the outlets of the first mixing tank and the second mixing tank; according to the utility model, through the first mixing tank and the second mixing tank, an organic amine liquid which is discharged from the outlet of the filter and is subjected to preliminary filtration is efficiently reacted with powdered activated carbon introduced into the first mixing tank and the second mixing tank, so that high-efficiency adsorption operation on hydrocarbons and macromolecular compounds is realized; the purification effect on the organic amine liquid is better, and the purification efficiency is higher.

The invention discloses a method for preparing an HZ beta composite molecular sieve supported nickel catalyst through self-depolymerization-hydrothermal synthesis, and relates to the technical field of composite molecular sieves, the method comprises the following steps: preparing a core-shell structure ZSM-5 and beta composite molecular sieve (Zbeta) by using a ZSM-5 molecular sieve partial self-depolymerization and programmed hydrothermal synthesis method, and obtaining Nix / HZ beta through ion exchange, a modified deposition-precipitation method and the like. The preparation method provided by the invention is simple, the synthesis time is short, the use and recycling effects of the catalyst are good, and the problems that metal active components are easy to lose in the use process of a supported catalyst and the contact and conversion efficiency of macromolecular compounds is relatively low due to the narrow aperture of a single molecular sieve are solved. When the HZbeta composite molecular sieve supported nickel catalyst is applied to a catalytic hydrogenation conversion process of aromatic compound related model compounds and separation of aromatic compound-rich components from coal tar residues, aromatic rings can be efficiently hydrogenated, and gt can be cracked; c-X bridged bonds are adopted, so that the purpose of converting aromatic compounds into cycloalkanes is achieved.

This invention relates to a method for deep regeneration of macroporous resin that adsorbs waste gas, belonging to the technical field of resin regeneration. The regeneration method includes adding an organic solvent, an aqueous sodium hydroxide solution, and a phase transfer catalyst to the resin to be regenerated; heating and stirring followed by solid-liquid separation; and washing the resin to obtain regenerated macroporous resin. This invention uses an organic solvent to elute adsorbates from the macroporous resin, while simultaneously using a phase transfer catalyst to promote the separation of macromolecular compounds from the macroporous resin. This allows for the deep removal of macromolecular compounds that are difficult to remove with organic solvents, enabling deep regeneration of the resin and extending its service life.

This invention belongs to the interdisciplinary technical field of chemistry, pharmacy, and medicine. More specifically, it relates to a hydroxyalkyl starch-photosensitizer macromolecular compound encapsulating anthraquinone drugs, a nanoparticle drug delivery system, and its preparation and application. The macromolecular compound has a hydrophilic end of hydroxyalkyl starch and a hydrophobic end of a hydrophobic organic cyanine dye molecule. This invention uses a hydrophobic organic cyanine dye molecule photosensitizer with photodynamic and photodetector properties as the hydrophobic end. After coupling with hydroxyalkyl starch, the constructed amphiphilic macromolecule can maintain the stability of the original photosensitizer and improve its water solubility. Furthermore, it can optimize its UV-Vis absorption peak to match the 660nm near-infrared laser irradiation used in photodynamic therapy. The oil-in-water nanosystem constructed through emulsification can also maintain the photodynamic and photodetector properties of the photosensitizer, successfully encapsulating hydrophobic antitumor drugs and achieving tumor-targeted combination therapy while improving the biocompatibility of the photosensitizer.

The present invention is in the field of organic macromolecular compounds, their preparation, and compositions based thereon, in particular biobased extracellular polymeric substances, a method of forming said biobased extracellular polymeric substances, and a composite material comprising said biobased extracellular polymeric substances.