41results about How to "Improved gelling ability" patented technology

The invention provides dry-mixed mortar prepared from industrial solid waste. The dry-mixed mortar is characterized by being prepared from materials in parts by weight as follows: 100 parts of cement, 300-400 parts of river sand, 50-100 parts of steel slag, 0-50 parts of iron mine tailings, 0-50 parts of glass powder, 1-2 parts of an interface reinforcing agent, 1-2 parts of an exciting agent, 0.1-0.5 parts of a water retaining agent, 1-2 parts of a water reducing agent and 0.1-0.3 parts of reinforcing fibers. According to the dry-mixed mortar, the industrial solid waste is fully utilized as aggregate to replace natural river sand, environmental protection is facilitated, resource recycling is realized, and meanwhile, performance such as the freezing resistance, the permeability resistance and the like of the dry-mixed mortar is improved through addition of the industrial solid waste.

The invention discloses a super-hydrophobic surface formed on the basis of dihydrazide derivative molecular gel. A dihydrazide derivative BPH-8 with relatively high gelatinization performance is taken as a gelator, and the surface appearance of a material is controlled in a way of adjusting types and a proportion of solvents, so that the aim of regulating the hydrophobicity is fulfilled. The super-hydrophobic surface has the advantages of use of simple raw materials, simple experiment conditions, high yield and low cost. The prepared super-hydrophobic surface is uniform, dense and flat.

The invention discloses preparation methods of an organic chromium cross-linking agent and an organic chromium gel profile controlling system. The preparation method of the organic chromium cross-linking agent comprises the steps of adding 2 parts of glacial acetic acid to 7 parts of water; adding 1 part of potassium dichromate while stirring; finally, adding 4 parts of sodium thiosulfate slowly while stirring to obtain a solution which is an organic chromium cross-linking agent. The preparation method of the organic chromium gel profile controlling system comprises the steps of preparing a 0.5% sodium chloride solution in a container; uniformly adding polyacrylamide uniformly, wherein mass ratio of polyacrylamide to sodium chloride is 3: 5; adding the organic chromium cross-linking agent, wherein concentration of the organic chromium cross-linking agent is 0.3%. The organic chromium gel profile controlling system disclosed by the invention is stable in performance, good in anti-swelling effect, low in pollution on oil reservoir, low in corrosion, good in temperature resistance and convenient for field use.

The invention belongs to the field of supramolecular gel, and particularly relates to fragrance-carrying supramolecular gel based on a citric acid nicotine salt gelling agent. The gel comprises a citric acid nicotine salt gelling agent, and a flavor substance and an organic solvent dispersed in the citric acid nicotine salt gelling agent. Different from conventional polybasic carboxylic acid nicotine salt, in the citric acid nicotine salt gelling agent, carboxyl groups, pyridine nitrogen and pyrrole nitrogen form heterogeneous synthons, besides, carboxylic acid dimer (hydrogen bond ring) homogeneous synthons (shown in figure 1) are also formed among the carboxyl groups, and supramolecular structure units formed by the synthons are self-assembled into a stable fiber network, so that the number of free carboxyl groups is reduced or even free carboxyl groups do not exist, the chance of generating volatile monocarboxylic acid due to dehydration and decarboxylation in a preheating stage or a low-temperature heating stage of the heated cigarette is inhibited, and the phenomena of small smoke amount, mouth scalding by smoke, obvious sour feeling and the like caused by slow accumulation of moisture and acidity at the front section of smoking are reduced.

A process for preparing the phosphatide skeleton particles includes such steps as proportionally mixing the alkalized or hydrated foots of vegetative oil with the liquid mixture of gelatin and sodium alginate, stirring, granulating, solidifying and drying.

The invention discloses bletilla glucomannan self-assembled nano particles, and a preparation method and applications thereof. According to the preparation method, bletilla glucomannan dry powder with a molecular weight ranging from 20 to 150kDa is extracted from bletilla striata tuber, and the bletilla glucomannan self-assembled nano particles are obtained via a plurality of steps. According to the bletilla glucomannan self-assembled nano particles, the porosity, the gelling capacity, and the stability of bletilla glucomannan are maintained and improved; no toxic or side effect is caused; the bletilla glucomannan self-assembled nano particles possess excellent biocompatibility, is capable of stopping bleeding, promoting wound healing, and stopping overflow of exudate, and can be used for tissue haemostasis, tissue sealing, and tissue bonding in surgical fields such as general surgery department, orthopedics department, cardiothoracic surgery department, neurosurgery department, and gynaecology and obstetrics.

The invention discloses a preparation method and application of a medium/low-temperature environment-friendly crosslinking agent, belonging to the technical field of oilfield chemistry. The preparation method of the crosslinking agent comprises the following steps: adding an aldehyde solution into a reaction vessel, and regulating the pH value of the solution to 8-9; adding a stabilizer, and performing uniform stirring; and finally, adding melamine, performing heating to 70-75 DEG C, and performing a sufficient reaction while keeping at such temperature, thereby obtaining the medium/low-temperature environment-friendly crosslinking agent, wherein the mass percents of the aldehyde solution, stabilizer and melamine are respectively 20-25%, 20-25% and 50-60%. When being used for preparing a crosslinked polymer gel profile control agent, the medium/low-temperature environment-friendly crosslinking agent prepared by the method can form a gel at 40-60 DEG C, and the gel formation time is controllable within the range of 12 hours to 7 days; the formed gel system is stable, and the gel viscosity can reach 8000 mPa.s or above; and the crosslinking agent is safe and nontoxic, has small pollution to the oil reservoir, and satisfies the requirements for safety and environment friendliness in the production process.

The invention discloses a waste crop bast raw material resource utilization method. The waste crop bast raw material resource utilization method includes the steps that S1, an ionic type extraction agent is used for extracting the waste crop bast raw materials, and a pectin solution and bast fibrous residue can be obtained after separating solid and liquid; S2, ethyl alcohol is added after the pectin solution is condensed, static settlement is carried out after stirring, washing and drying are carried out, and finished pectin can be obtained; S3, acidizing is acted to the bast fibrous residue,and glass fiber is added to mix evenly, a binding agent and a curing agent are added, and fiberboards are obtained by compressing. According to the waste crop bast raw material resource utilization method, the bast fibrous residue is used for preparing the fiberboards after the pectin is extracted, the waste crop bast raw materials can be recycled to the maximum, the obtained pectin is green foodwithout pesticide pollution, transgenic ingredients are not contained, and the heat stability is high; and the performance of the fiberboards produced by the bast fibrous residue replacing portion ofthe glass fiber, the economic benefit of integrated utilization is better, and the practical significance is important.

The invention discloses high-protein-content compound flour. The high-protein-content compound flour is prepared from the following raw materials in parts by weight: 150-200 parts of wheat, 25-50 parts of soybean protein, 30-50 parts of walnut protein, 5-15 parts of cocoa powder, 50-70 parts of red dates, 15-30 parts of red beans, 5-15 parts of butter, and 3-5 parts of a conditioner. The inventionfurther discloses a preparation method of the high-protein-content compound flour. The preparation method of the high-protein-content compound flour comprises the following steps: mixing wheat flourground by a wheat grinding apparatus with the conditioner, the soybean protein and the like; and the grinding process is free of other processing treatments such as heating and the like, so that, nutrients, including protein, carbohydrate and the like, in the wheat can be relatively well preserved. The conditioner comprises modified corn starch granules which are porous, smoother in granule morphology, reduced in particle size and relatively uniformly distributed. Thus, the finally prepared high-protein-content compound flour has stronger gluten network; so that, dough prepared by using the flour is tougher and improved in mouth feel.

The invention discloses salty and fragrant yoghurt sauce and a preparation method thereof. The yoghurt sauce is prepared from the following raw materials: salts, a protein supplement, compound stabilizers, a flavor regulator, a sweetening agent, 150-250U/ton of strains and raw milk. The compound stabilizers comprise acetylated distarch oxalate, gelatin, sodium caseinate and pectin. The salts comprise edible salt, an emulsifying salt and a mineral salt. The protein supplement is an animal protein or a vegetable protein. When the yoghurt sauce is prepared, the materials are mixed and homogenized, then pasteurization is carried out, then strains are inoculated and fermented, and finally filling and after-ripening are carried out. The salty and fragrant yoghourt sauce disclosed by the invention is prepared from the raw materials of the raw milk, the salts, the protein supplement, the compound stabilizers, the flavor regulator and the sweetening agent, is moderate in salty and fragrant taste, rich in fragrance and good in water binding capacity, can stably meet smearing requirements, and is deeply loved by consumers.

The invention discloses small-molecule gel, a method for preparing the same and a gynecological solid-liquid mutual transformation type gel preparation. The structure of the small-molecule gel comprises structural units of sterol, flavone or coumarin and the like. The small-molecule gel is synthesized by means of classic reaction such as esterification reaction, etherification reaction and the like. The small-molecule gel, the method and the gynecological solid-liquid mutual transformation type gel preparation have the advantages that the small-molecule gel is good in stability and can stablyexist in acidic and alkaline environments; the small-molecule gel is high in gelling power and can be compounded with gynecological medicines, so that the gynecological solid-liquid mutual transformation type gel preparation can be prepared, can be uniformly distributed in integral tracts and is easy to prepare, good in safety and low in cost, medicine administration can be facilitated, and medicine liquid loss can be prevented.

The invention relates to the technical field of building materials, in particular to a high-strength alkali-resistant composite brick based on waste reutilization and a preparation method of the high-strength alkali-resistant composite brick. Electrolytic manganese residues and solid waste generated by house demolition are selected as main raw materials, and silicon-calcium resources in the electrolytic manganese residues and the solid waste are fully utilized; solid waste is subjected to grinding and grading treatment, electrolytic manganese residues are ground to expose siliceous components, then manganese residue powder and powder are used for preparing calcined aggregate, the manganese residue powder and fine particles are mixed to form a mixture, the manganese residue powder and coarse particles are ground to form mixed powder, and an additive is added as a gelatinizing agent, so that the consumption of the electrolytic manganese residues and the solid waste is increased; the silicon components in the electrolytic manganese residues interact with materials with different silicon and calcium components in the solid waste, and calcined aggregate, a mixture and a gelling agent are formed respectively. And through extrusion forming, drying maintenance and calcination maintenance, the compression resistance and breaking strength of the composite brick are improved, and the alkali corrosion resistance is enhanced.