220 results about "Macromolecular architecture" patented technology

The present invention provides methods and compositions that facilitate the identification of structures of a variety of macromolecules. For instance, the present invention provides methods for the selective immobilization of macromolecules in an extended or oriented state. The present invention also provides compositions comprising macromolecules selectively immobilized in extended or oriented states.

The present invention provides a method for manufacturing polycarbonate, which has a high conversion rate of a propylene oxide material into a polymer and can control stereoregularity of the macromolecular structure, and a catalytic compound for the manufacturing method.

The manufacturing method of the present invention is a method for manufacturing a polycarbonate copolymer by copolymerizing an epoxide compound as a monomer with carbon dioxide in the presence of a planar tetracoordinate-type cobalt-Schiff base complex, wherein a ligand of the Schiff base is N,N′-bis(2-hydroxybenzylidene)ethylenediamine, N,N′-bis(2-hydroxybenzylidene)phenylenediamine, or a derivative thereof, and a methyl group substituted with an amino group having an asymmetrical carbon atom or an asymmetrical axis is introduced to the 3- and/or 3′-position of the benzene ring derived from the salicyl group. In addition, the catalytic compound of the present invention is a cobalt-Schiff base complex, wherein a methyl group substituted with an amino group having an asymmetrical carbon atom or an asymmetrical axis is introduced to the 3- and/or 3′-position of the salicyl group.

A method of producing carbon macro-molecular structures includes dissolving a graphitic material in a solvent to provide a suspension of carbon-based macro-molecular structures in the solvent, and obtaining a plurality of the carbon macro-molecular structures from the suspension. The plurality of carbon macro-molecular structures obtained from the suspension each consists essentially of carbon. A material according to some embodiments of the current invention is produced according to the method of producing carbon macro-molecular structures. An electrical, electronic or electro-optic device includes material produced according to the methods of the current invention. A composite material according to some embodiments of the current invention has carbon macro-molecular structures produced according to methods of producing carbon macro-molecular structures according to some embodiments of the current invention. A hydrogen storage device according to some embodiments of the current invention has carbon macro-molecular structures produced according to methods of producing carbon macro-molecular structures according to some embodiments of the current invention. An electrode according to some embodiments of the current invention has carbon macro-molecular structures produced according to methods of producing carbon macro-molecular structures according to some embodiments of the current invention.

The invention discloses aproduction method of auricularia auricularmycelium for auricularia auricular polysaccharide extraction. The auricularia auricularmycelium is obtained through seven steps of weighing, base material pretreatment, mixing, bagging and sterilization, inoculation and culture, spawn running and management as well as bag removal and harvesting. Compared with the prior art, the production method has the advantages as follows: coarse lignocellulose adopting a macromolecular structure is converted into fine lignocellulose adopting a micromolecular structurethrough fermentation pretreatment of a base material, effective utilization of hyphae during culture of the mycelium is facilitated, the biological conversion and utilization rate at the culture stage of themycelium is increased to be about 70%, the culture time of the mycelium is shortened, the production efficiency is improved, the production cost is reduced, waste from industrial and agricultural production is utilized comprehensively, and the environment is protected.

There is a carbon-sulfur composite; and there is a composition comprising about 1 to 17.5 wt. % polymeric binder and about 50 to 99 wt. % carbon-sulfur composite comprising carbon powder having a surface area of about 50 to 4,000 square meters per gram and a pore volume of about 0.5 to 6 cubic centimeters per gram. The carbon powder comprises carbon having a macromolecular structure ordered in at least two dimensions and characterized by having two-dimensional carbon sheets which are stacked into carbon layers. The carbon-sulfur composite also comprises about 5 to 95 wt. % sulfur compound. There is also a layering comprising a plurality of coatings. Respective coatings in the plurality of coatings can comprise respective compositions. The respective coatings can comprise at least one polymeric binder and at least one carbon-sulfur composite comprising carbon powder and sulfur compound. There are also electrodes comprising a composition or a layering and methods of using such in cells.

The invention relates to a special compound enzymic preparation for softening areca nut, which is characterized by comprising the following components by weight percent: 15-20 percent of hemicellulase, 10-15 percent of cellulose, 10-15 percent of pectinase, 25-45 percent of beta- glucanase and 20-25 percent of purified water. The special compound enzymic preparation for softening areca nut can cause decentralization and defibrination of the areca nut cellulose by applying a biotechnology via the action of the biological enzyme so that the cellulose microcrystalline structure is disorganized resulting in denaturation, the macromolecule structure of the areca nut fibre is hydrolyzed into micromolecule to cause fibrous fracture, and the aim of softening areca nut fibre and improving the mastication and mouth feel is achieved. The invention achieves the softening effect by adopting the biotechnology to substitute the traditional process which uses chemical measures such as lime water and the like, ensures safety and no peculiar smell, keeps the pleasant sensation of mastication and does not damage the oral cavity.

The invention relates to a method for removing a trace amount of toxic pollutants in water by enzyme-loading magnetic particle reinforced flocculation. The method comprises the following steps that 1, enzyme-loading magnetic particles are used, an enzymatic cross-coupling polymerization reaction is controlled so that a trace amount of toxic pollutants enter into an organic macro-molecule structure by covalent binding, and after the reaction, the hydrophobicity and molecular weight of the organic structure are improved; 2, the enzyme-loading magnetic particles are subjected to magnetic recovery; and 3, the recovered enzyme-loading magnetic particles are added with a flocculating agent, and the pollutants obtained by enzymatic polymerization are easily precipitated and removed by coacervation/flocculation processes such as double electrode layer compression, adsorption electrical neutralization and precipitation net-capturing and thus a trace amount of the toxic pollutants in water are removed by enzyme-loading magnetic particle reinforced flocculation. The method has good selectivity and good treatment effects on low-concentration toxic pollutants, realizes recovery and use of an enzyme, has a low cost and a wide application range and is suitable for treatment on natural water, drinking water and waste water containing low-concentration toxic pollutants.

The invention relates to biodegradability high molecular weight aliphatics/ aromatic copolymer. Its chemical constitution general formula is [OOCR1COOR2O]m [OOCC6H4COOCR3CO]n whose R1 is saturated or unsaturated linear chain alkylidene groups or alicyclic ring base group with 0-8 alpha carbon atom; R2 and R3 is the saturated or unsaturated linear chain alkylidene groups or alicyclic ring base group with 2-10 alpha carbon atom; n is 100-1000; m is 100-1000; weight-average molecular weight is 100-350 thousand. It can be used as environment amiable material such as textile fiber, plastic etc.

The invention discloses a novel non-cement-based inorganic artificial stone slab and a preparation method thereof. The novel non-cement-based inorganic artificial stone slab consists of inorganic micropowder, emulsion, an inorganic pigment and an aggregate. The preparation method comprises the following steps of: stirring and mixing the components uniformly, sealing, vacuumizing, releasing into amold when the vacuum degree reaches a certain value, vibrating and pressing in the vacuum state to form a big blank, demolding, processing by procedures such as dragsaw cutting, polishing and protecting, and preparing the inorganic artificial stone facing slab at normal temperature. The gelling system of the non-cement-based inorganic artificial stone slab has a three-dimensional netty macromolecular structure with certain gelling performance and main Al-O-Si bonds, which is formed under the coaction of the inorganic micropowder and emulsion. Through data detection, the non-cement-based inorganic artificial stone slab has the advantages of stable structure, no combustion, ageing resistance, and resistance to corrosion of salt mist, salinization, seawater and other chemical media, has the appearance and texture of resin artificial stones after polishment, also has the advantages of good decoration effect, no toxin, environmental protection and long service life, and can be widely applied to various interior and exterior decoration projects related to natural stones and resin artificial stones.

A polymeric dendrimer-like structure with four branches of monomethoxy-polyethylene glycol that can be represented as:

The carboxylic group of the previous structure can be functionalized for the production of conjugates of pharmaceutical interest. The binding of this dendrimer-like polyethylene glycol to therapeutic proteins improves their in vitro and in vivo stability.

An epoxy resin modified VAE composite waterproof material and a preparation method thereof. The composite waterproof material is composed of a component A and a component B. A preparation method of the component A is as below: adding a vinyl acetate-ethylene copolymer emulsion into a material canister, then adding an epoxy resin emulsion and a defoaming agent, stirring, then adding aluminum hydroxide, phosphoric acid tris(2-chloroethyl) ester, talcum powder, a polytetrafluoroethylene fine powder, tetra [beta-(3,5-di-t-butyl-4-hydroxy phenyl) propionic acid] pentaerythritol ester, 2-(2H-benzo triazoles-2-yl)-6-dodecyl-4-methylphenol and water, and stirring to obtain the component A. A preparation method of the component B is as below: under the protection of nitrogen, adding tetraethylenepentamine into a reactor, dropwise adding ethylene glycol diglycidylether and butyl glycidol ether for a thermal reaction, then adding water to dilute and stirring to obtain the B component. The component A and the component B are stirred according to a part ratio of 100: 5-8 and applied; and after curing, a flame retardant antifouling self-cleaning composite waterproof material with a semi-interpenetrating network macro-molecular structure is obtained.

The invention provides a preparation method of macromolecular plasticizer. The macromolecular plasticizer is of a hyperbranched macromolecular structure and has the advantages of being stable and not easy to precipitate. The invention also provides a preparation method of modified polylactic acid. The macromolecular plasticizer and the polylactic acid are melted and mixed so as to modify the polylactic acid. The prepared macromolecular plasticizer and the prepared polylactic acid are good in compatibility and accordingly the tangling effect of molecular chains of the polylactic acid can be increased through the branched structure, the melt strength is improved, and the melt flow characteristics are improved, and the blow forming machining performance of the polylactic acid is improved. Meanwhile the plasticizer is stable and not easy to precipitate and accordingly the mechanical properties of the polylactic acid can be significantly improved.

The invention relates to a grape skin dreg and apple composite superfine powder nutrient cake and a manufacturing method thereof, and belongs to the technical field of fruit cake processing. In the preparation method of the cake, superfine powder which is formed by dry grape skin dregs and dried apple which are mixed in a mass ratio of 1:1 and crushed to 300-600 meshes is added, so the prepared grape skin dreg and apple composite superfine powder nutrient cake is soft and fine in taste and rich in nutrition, and has fragrance of grapes. Additionally, the cake has the advantages that the color is bright purple and attractive, nutrient content is rich, and the cake is beneficial to protecting the heart and blood vessels, reducing blood lipid cholesterin, delaying ageing and preventing heart diseases, does not contain cellulose and other molecule structures, is beneficial to digestion and absorption of an organism, and improves bioavailability.

A metallic damping pad is made up of very fine stainless steel wire through winding to obtain many compact springs, crossely winding the springs around die in longitudinal and transverse directions, taking the wound object from die, and die pressing. Its advantages include 3D cellular structure, and high damping effect.

Modelling a molecule by means of a graph, said graph comprising vertices and edges, each edge having a specific type, and said graph having cyclic orderings on the half-edges about at least one of the vertices, said system comprising means for determining the cyclic orderings on the half-edges about said at least one vertex by means of the spatial coordinates of the constituent atoms of the molecule, and means for determining the type of each edge of the graph by means of the relative spatial location of the constituent atoms of the molecule. Thereby automatic classification, comparison, specification, analysis and/or prediction of molecular structures can be provided because these molecular structures are represented by explicit combinatorial objects, and descriptors can be derived from the graph constructed in this manner. The descriptors are automatically computable from molecular databases, such as PDB or CATH, with no qualitative human intervention or subjective criteria. The invention can be applied to macromolecular structures such as proteins, protein globules, ligands, polymers, nucleotides, nucleic acids, RNA and DNA.

The invention discloses a liquid coal combustion improver which is prepared from the following raw materials in proportion: carboxymethyl ferrocene, methylcyclopentadienyl manganese tricarbonyl, acerdol, cerous nitrate, aluminum nitrate, magnesium nitrate, tween and absolute ethyl alcohol. In the liquid combustion improver, the carboxymethyl ferrocene and the methylcyclopentadienyl manganese tricarbonyl are taken as combustion-supporting synergist, the acerdol, the cerous nitrate and the magnesium nitrate are taken as oxidant, the aluminum nitrate is taken as adsorbent, the tween is taken as penetration dispersant, and the absolute ethyl alcohol is taken as complex solubilizer. When the combustion improver is added into coal, chemical substances with macromolecular structures in raw coal can be destroyed; when the liquid coal combustion improver is reacted with coal powder under the action of a high temperature, bonds among connecting structure units of the coal powder can be ruptured, so that the reaction activity of the coal powder can be enhanced, the thermolysis process of the coal powder can be promoted, active oxygen and oxygen gas can be released, the function of catalysis and combustion support can be achieved, pyrolysis products can increase, and the combustion performance can be better; and by virtue of catalytic cracking on the coal, the coal powder can be quickly and completely combusted, so that the aims of increasing coal powder quantity and decreasing coke ratio can be achieved.

The invention discloses a method for preparing a coke-making briquette, which comprises the following main steps: 1. waste rubber particles and waste plastic particles are added into anthracene oil according to the proportion and are heated and dissolved, then tar slag and road construction oil are added according to the proportion and are heated and stirred to produce briquette adhesive; 2. the briquette adhesive is added into mixed coal according to the proportion, and a small amount of water is added to be mixed and stirred to produce briquette pug containing certain moisture; and 3. the briquette pug is sent to a briquette machine and is pressed into briquette blocks, and a finished product of the coke-making briquette can be obtained when the briquette blocks are air-dried until the content of the moisture is between 8 and 10 percent. The method utilizes the tar slag, waste rubber, and waste plastic to produce the briquette adhesive, and provides a new way for the reasonable utilization of the tar slag, the waste rubber and the waste plastic; and the tar slag, the waste rubber, the waste plastic and coal all have macromolecular structures consisting of C and H elements and have better cosolvency, thereby contributing to improving the quality and yield of coke after the co-carbonization.

The invention relates to a preparation method of mushroom polysaccharide oral liquid, which comprises the following steps: slicing mushroom, heating extraction, concentration, alcohol precipitation, high-speed centrifugation, concentration and getting small molecular weight mushroom polysaccharide oral liquid. The oral liquid is characterized in that the obtained mushroom polysaccharide oral liquid removes big molecular structure unsuitable for absorption, therefore, the preparation method has the advantages of preventing gastrointestinal inflation, promoting gastrointestinal absorption, enhancing effect of the product and generating no side effect, facilitating the use, and guaranteeing the quality.

A process of manufacturing a protein-polysaccharide macromolecular complex product containing encapsulated ethyl alcohol and/or other spirits serving to serve as an entertaining and novel non-beverage method of consuming alcohol. The process encapsulates ethyl alcohol and/or other spirits in the amorphous regions of a complex macromolecular structure releasing it only upon chewing and exposure to the environment of the oral cavity. The resulting product is stable and capable of retaining shape and form for extended periods of time at ambient temperature allowing for relatively low-cost commercial manufacture and distribution.

Disclosed herein are glycidol-based polymers, nanoparticles, and methods related thereto useful for drug delivery. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

The invention discloses a nutritional cake and a processing method thereof. The nutritional cake comprises the following raw materials in part by weight: 40-50 parts of grape skin, 50-60 parts of egg white, 100-200 parts of flour, 60-80 parts of milk, 10-20 parts of honey, 10-20 parts of cane sugar, 20-30 parts of smoked plum, 30-40 parts of granulated sugar, 4-7 parts of sweet-scented osmanthus, 10-30 parts of butter, 10-20 parts of cake flour, 10-20 parts of cream incense powder, 10-20 parts of baking powder, 5-10 parts of salt and 300-400 parts of water. The processing method comprises the following steps of grinding, concocting and baking. The color of the nutritional cake is glitter purple; the nutritional cake has attractive color, is rich in nutritional ingredient and does not contain macromolecular structures such as celluloses; people can assimilate easily after eating the nutritional cake; and the bioavailability is improved.