9 results about "Macromolecule complex" patented technology

The invention discloses a special medicament for purified cotton wastewater pollution treatment. The special medicament comprises the following components in parts by weight: 40-60 parts of modified attapulgite powder, 15-25 parts of a persulfate activator, 10-20 parts of an organic polymer compound, 8-15 parts of a mineral regulator, 2-5 parts of anhydrous sodium silicate and 3-6 parts of a hydroxyapatite whisker and calcium sulfate whisker compound. The invention also discloses a preparation method and application of the compound. According to the agent disclosed by the invention, through the synergistic effect of various functional components, the functions of advanced oxidation, adsorption bridging and flocculation settling assisting are integrated, COD (Chemical Oxygen Demand), lignin and short fiber suspended matters in the refined cotton wastewater can be efficiently removed, the formed floc is dense and high in settling speed, and the treated effluent can be recycled.

Described herein are Methods, systems, compositions, and macromolecule complexes, for detecting, analyzing, evaluating, screening for, prognosing, diagnosing, and / or monitoring, pre-cancerous and cancerous conditions with abnormal cell growth in a patient, including patients having Minimal Residual Disease (MRD).

The application discloses a SOD-containing patch for protecting bone joints and cartilage tissue and belongs to the fields of biological medicine and medical devices. The patch is in the form of a polymer microneedle, comprising a base layer and a needle tip layer; the needle tip layer comprises microneedles arranged in an array on the base layer, and the microneedles are loaded with SOD; and the base material of the microneedles is a high-molecular compound containing sodium hyaluronate and chondroitin sulfate. The patch has good anti-inflammatory, repairing and pain-relieving effects, all active ingredients in the patch are substances contained in the human body, the safety is extremely good, and the SOD is wrapped with sodium hyaluronate-chondroitin sulfate composite hydrogel, so that the SOD can be prevented from softening due to moisture absorption, thereby guaranteeing the treatment effect.

The invention discloses a method, a system and a device for screening a conductive network structure of a polymer composite, and relates to the technical field of conductive polymer nano composites.The method comprises the steps that molecular dynamics simulation trajectory data of a polymer composite system of carbon nano tubes with different concentrations is obtained, particle nodes are sequentially coded, and the particle nodes are obtained; carrying out one-hot coding according to particle types and molecule IDs to which the particles belong, generating a node attribute matrix, and meanwhile, generating an adjacent matrix according to a bonding relationship among the particles so as to construct a corresponding graph structure data set; inputting the graph structure data set into a prediction model based on a graph attention network, and training by adopting an incremental learning method; according to the trained prediction model, the optimal polymer composite conductive network structure is screened out, and the method can capture complex multilevel structure information and better predict the polymer properties affected by the complex multilevel structure information.

A nanocomposite layer includes a nanocarbon tube composite and a lithium salt polymer composite. The nanocarbon tube composite includes surface-modified nanocarbon tubes with positive electric groups and a plurality of nanoparticles with negative electric groups, wherein the plurality of nanoparticles are adsorbed to the surface-modified nanocarbon tubes. The lithium salt polymer composite coats the nanocarbon tube composite and includes a first polymer, a second polymer, and a lithium salt. The nanocomposite layer can improve the lithium ion conductivity of a battery.

The invention relates to the technical field of polymer compounds, in particular to a chitosan polymer compound and a preparation method thereof, and the chitosan polymer compound is prepared from the following raw materials in parts by weight: 80-100 parts of polypropylene resin, 15-20 parts of filler, 15-20 parts of glass fiber, 8-10 parts of additive, 4-6 parts of compatilizer, 0.2-0.4 part of coupling agent, 0.2-0.4 part of antioxidant, 0.3-0.5 part of lubricant and 0.2-0.4 part of nucleating agent. In the invention, the reinforcing material takes rice hull powder as a raw material, a porous carbon matrix is formed through hydrochloric acid activation and potassium hydroxide roasting, then ferriferrous oxide particles are loaded step by step and a copper-based coordination polymer is generated in situ, the auxiliary material takes calcium sulfate whiskers as a matrix, surface modification is carried out through a silane coupling agent KH550, and then composite treatment is carried out with a mixed solution composed of an SEBS block copolymer and the like. And the interface bonding force between the filler and the matrix is obviously improved, so that the composite material shows excellent mechanical properties.

The invention belongs to the technical field of composite leather, and discloses bacteriophage medical antibacterial composite leather as well as a preparation method and application thereof. The composite leather is prepared from the following raw materials: a polymer compound phase, bacteriophage microorganisms and polymer fiber grey cloth, or comprises a polymer complex phase and a bacteriophage microorganism. The polymer compound phase comprises a polyelectrolyte compound and / or a polymer hydrogen bond compound. The bacteriophage protein capsid contains rich polar functional groups such as amino groups, carboxyl groups and hydroxyl groups, and can form a composite structure with a polymer composite material through electrostatic interaction and hydrogen-bond interaction, so that the antibacterial composite leather with the characteristic of high stability is prepared. The bacteriophage medical antibacterial composite leather provided by the invention can be compounded with various bacteriophages, so that the antibacterial purpose of various bacteria and good biological safety are realized.

This invention relates to the field of polymer composite materials technology, and discloses a high-temperature resistant PPS and its preparation method. The PPS prepared by this invention comprises the following raw materials in parts by weight: 40-60 parts PPS resin, 8-15 parts PPO resin, 15-25 parts glass fiber, 2-5 parts modified montmorillonite, 0.5-0.8 parts compatibilizer, 1-2 parts lubricant, and 0.2-0.5 parts nucleating agent. The modified montmorillonite introduced into this PPS differs from traditional small-molecule antioxidants. It is synthesized by surface grafting copolymerization based on montmorillonite. The introduction of this modified montmorillonite into the PPS results in good heat and oxygen aging resistance at high temperatures.

The invention relates to a drug depot using liquid-liquid phase separation (LLPS) by a macromolecule or macromolecule complex comprising an intrinsically disordered region (IDR) and at least one therapeutically active substance.