16results about How to "Stable network structure" patented technology

The invention relates to an electrode adhesive as well as a preparation method and application thereof. The electrode adhesive comprises a water-soluble high-molecular polymer and an amino-containing polymer, the water-soluble high-molecular polymer is obtained by sequentially carrying out polymerization reaction and alcoholysis reaction on monomers; the monomers comprise a type I monomer, a type II monomer and a type III monomer; the monomer I comprises vinyl acetate and / or vinyl propionate; the monomer II comprises methacrylate containing short-chain alkane and / or acrylate containing short-chain alkane; and the III type monomer contains cyano groups. The electrode adhesive provided by the invention has good adhesive property, flexibility and temperature stability, is resistant to electrolyte swelling, and is suitable for an electrode material of a lithium ion battery.

The invention relates to a waterproof anti-cracking composite coiled material and a preparation method and application thereof. The composite coiled material comprises a paper base layer and a waterproof coating coated on the surface of the paper base layer, and the waterproof coating is formed by curing a waterproof finishing agent. The waterproof finishing agent comprises the following raw materials in parts by mass: 60-75 parts of epoxy resin, 2-5 parts of a hardening agent, 5-20 parts of rubber particles, 8-15 parts of modified bacterial cellulose, 20-30 parts of polylactic acid, 10-20 parts of polyethylene glycol and 5-10 parts of a silane coupling agent. The composite coiled material can serve as a decorative material to be attached to the surface of furniture, and due to the good flexibility, crack resistance and tensile effect, the technical problems that when traditional furniture decorative paper is attached, corners are prone to being bent and broken, and the waterproof performance is poor are solved.

The present invention relates to a package substrate solder resist dry film and a preparation method thereof, wherein the package substrate solder resist dry film comprises the following components by mass: 10-20 parts of acrylic resin, 1-10 parts of active monomer, 5-15 parts of modified polyacrylate, 10-20 parts of epoxy resin, 5-15 parts of filler, 1-10 parts of auxiliary agent, and 20-60 parts of solvent; wherein the modified polyacrylate is obtained by reacting polysaccharide, acrylic anhydride, and phenyl acrylate. The present invention adopts modified polyacrylate to compound with epoxy resin, acrylic resin, filler and other components, thereby improving the strength, adhesion and stability of the dry film, being able to be stably used for a long time under various conditions, providing a protection function for the circuit, and having good application prospects.

This application relates to an 8B cold-rolled precision steel strip and its manufacturing method, comprising a steel strip body and a high-strength coating. The high-strength coating is formed by applying a high-strength coating material to the surface of the steel strip body. The high-strength coating material comprises the following components in parts by weight: 85-105 parts resin matrix, 13-17 parts graphene dispersion system, 6-8 parts nano boron nitride, 0.5-1.5 parts leveling agent, 0.8-1.2 parts dispersant, and 4-6 parts coupling agent. This application has the effect of improving the overall hardness and corrosion resistance of the steel strip.

The invention relates to the technical field of high polymer materials, and discloses a pressure-sensitive adhesive protective film and a preparation method thereof. According to the pressure-sensitive adhesive protective film disclosed by the invention, high-density polyethylene is taken as a main matrix, and various functional aids are added, so that the comprehensive performance of a polyethylene film is improved; wherein the maleic anhydride grafted low-density polyethylene improves the compatibility among the raw materials of the components of the matrix; hyperbranched polyimide is added, so that the heat resistance and the mechanical strength of the adhesive are improved; the reinforcing filler is added, so that the ultraviolet resistance and transparency of the matrix are improved. Therefore, the polyethylene film provided by the invention has a wider application prospect when being used as a protective film of the pressure-sensitive adhesive.

The application relates to the field of food preparation, in particular to konjac meat processing technology, comprising the following steps: konjac is cleaned and ground, then the ground konjac paddle is poured into an ethanol-citric acid solution and soaked for 3-5h, during the soaking process, microwave treatment is carried out, then centrifugation, washing, drying obtains pre-treated konjac flour; water is added to the pre-treated konjac flour, and complex enzyme is added for enzymolysis after mixing, and enzymolysis konjac is obtained; soy protein powder, gluten powder, fermented starch, mulberry leaf powder, flavoring agent are added to the enzymolysis konjac, stirring and mixing are uniform, and a mixture is obtained; the mixture is heated, and continuously stirred to molding during heating to obtain a semi-finished vegetarian meat; the semi-finished vegetarian meat is cut into strips, and konjac meat is obtained after frying. The present invention is in the processing process of konjac meat, effectively improves the prebiotic effect of konjac glucomannan in the intestinal tract, and improves the health value of konjac meat.

The invention provides an epoxy resin curing agent and a preparation method thereof, and belongs to the technical field of curing agents, the preparation method comprises the following steps: S1, adding nonyl phenol and polybasic primary amine into a three-necked flask with a stirring device and a dropping funnel, stirring, and heating to 50-65 DEG C to obtain a dissolved solution; s2, a formaldehyde solution with the mass concentration of 37% is added into the dissolved solution obtained in the S1, the reaction temperature is 80-95 DEG C, the reaction time is 2-3 h, and first reaction liquid is obtained; s3, amino cardanol is added into the first reaction liquid obtained in the S2, the reaction temperature is reduced by 10-15 DEG C on the basis of the reaction temperature in the S2, the reaction time is 1-2 h, and second reaction liquid is obtained; and S4, cooling the reaction liquid II obtained in S3 to 20-30 DEG C, adding a modifier containing active groups, and reacting for 0.5 h to obtain the epoxy resin curing agent. According to the invention, hydrophobic groups are introduced into the prepared epoxy resin curing agent, and excellent curing capability is still maintained under a low-temperature condition.

The present invention discloses a method for preparing a light matrix fertilizer for cultivating indocalamus container seedlings. The matrix fertilizer raw materials are calculated by weight and include: 10-15 parts of peat soil, 10-15 parts of forest surface soil, 40-50 parts of fermented bamboo residues, 10-20 parts of mushroom stick waste, 5-10 parts of manure, 5-10 parts of coal slag powder, 10-15 parts of expanded perlite particles, and 5-10 parts of cross-linked microcrystalline cellulose super absorbent resin. The light matrix fertilizer raw materials of the present invention are simple to prepare and low in cost. The indocalamus ramet container seedlings cultivated by using the matrix have high survival rate and new bamboo germination rate, strong new whip germination ability, and vigorous plant growth. At the same time, the seedling culture matrix has the characteristics of loose texture, light weight, good water retention and excellent anti-collapse performance, which is convenient for seedling transportation and mountain planting.

The invention relates to the technical field of sealing materials, in particular to a high-stability epoxy sealing material and a preparation method thereof. The epoxy sealing material comprises the following raw materials in parts by weight: 80-100 parts of epoxy resin, 5-30 parts of filler and 35-52 parts of curing agent. Wherein the epoxy resin is at least one of glycidyl amine type epoxy resin, alicyclic epoxy resin, bisphenol A type epoxy resin or fatty acid type epoxy resin. The invention aims to improve the thermal properties and electrical properties of the epoxy sealing material from the aspects of filler design and modification and material curing process optimization, so that the epoxy sealing material obtained by selecting and modifying the epoxy resin and matching the filler with the curing agent has good temperature resistance and dielectric properties, and can be applied to the field of sealing materials. And the device can be applied to machining under different working conditions and is wide in application range.

The invention relates to insect oil bio-based water-based paint and a preparation method thereof. The insect oil bio-based water-based paint is prepared from components in parts by mass as follows: 80-150 parts of high-performance renewable insect oil resin, 100-300 parts of modified bentonite, 20-50 parts of polyvinyl alcohol, 5-20 parts of titanium dioxide, 10-30 parts of a curing agent, 1-20 parts of an auxiliary and a solvent, wherein the modified bentonite is obtained by reacting polyethylene glycol, acrylic acid, hermetia illucens insect grease and bentonite. According to the invention, the compatibility among various components is effectively improved, a cross-linked structure can be formed among the components to generate a synergistic effect, the stability of the coating is improved, the strength of the product is improved, the coating has the effects of bacteriostasis, environmental protection and the like, the problems existing in the prior art are solved, and the coating has a good application prospect.

This application provides a tubing thread sealant for shallow coalbed methane wells, its preparation method, and its application, belonging to the field of oilfield development. The tubing thread sealant comprises: component A, component B, and component C; wherein, by weight, component A includes the following chemical components: 41-61 parts of polymer matrix, 15-23 parts of 5-methylthio-7-fluoro-1H-indene, and 23-37 parts of excipients; component B includes the following chemical components by weight: 80-90 parts of epoxy curing agent and 10-25 parts of epoxy curing accelerator; and component C is an additive. In component A, a polymer matrix is ​​used as the matrix. By introducing molecularly designed active substances containing fluorine and sulfur elements, such as 5-methylthio-7-fluoro-1H-indene, the material combines the weather resistance and toughness of rubber while maintaining stable performance at high temperatures, making it less prone to deformation or failure.

The invention discloses an intercalated coal gangue based surface molecularly imprinted adsorption material and a preparation method thereof. The preparation method comprises the following steps: firstly, by taking intercalated coal gangue as a carrier, phenol as a template molecule, methacrylic acid as a functional monomer, ethylene glycol dimethacrylate as a cross-linking agent and azodiisobutyronitrile as an initiator, preparing an intercalated coal gangue based surface molecularly imprinted adsorption material; and carrying out surface molecular imprinting reaction on the surface of the intercalated coal gangue to form a polymer layer. And the template molecules and the functional monomer assembly are fixed together by the layer. And eluting to remove phenol template molecules to finally obtain the intercalated coal gangue-based surface molecularly imprinted adsorption material with a specific adsorption aperture structure. The coal gangue is used as a raw material, treated and then mixed with an intercalator solution with a certain concentration to prepare the coal gangue intercalator. The intercalation process comprises direct intercalation of dimethyl sulfoxide, two-time intercalation of dimethyl sulfoxide and methanol and macromolecule intercalation of cetyltrimethylammonium bromide, the intercalation process and the imprinting effect are optimized, and the phenol adsorption performance and specific adsorption of phenol are improved.

The invention discloses a low-carbon building material, which is characterized by comprising the following raw materials: river sand or mineral residue as aggregate, cation modified micro-nano waste paper fiber and silica sol. According to the invention, the surface of the waste paper fiber is positively charged through cation modification, and the waste paper fiber and the siliceous aggregate with negatively charged surface generate an electrostatic adsorption effect, so that the fiber-aggregate interface bonding force is remarkably enhanced. The addition of the silica sol further promotes the cross-linking reaction of aggregate-fiber to form a stable network structure. In the preparation process, cement clinker, high-temperature sintering or high-pressure curing are not needed, forming can be performed at normal temperature and normal pressure, resource utilization of waste is achieved, carbon emission is remarkably reduced, and meanwhile cement is replaced.

The application provides a hectorite-polymer large-temperature-difference constant-flow rheological modifier and a preparation method and application thereof. The rheological modifier comprises the following raw materials in parts by weight: 2-5 parts of nano hectorite, 4-10 parts of a silane coupling agent, 8-12 parts of a monomer containing an adsorption group, 10-15 parts of an anionic monomer, 5-8 parts of a cationic monomer, 2-5 parts of a temperature-sensitive monomer and 0.14-0.18 parts of an initiator. The preparation method of the rheological modifier is as follows: the nano hectorite is modified by using the silane coupling agent first, and then the modified nano hectorite is subjected to a copolymerization reaction with a mixed solution of various monomers under vacuum and in the presence of the initiator to prepare the hectorite-polymer large-temperature-difference constant-flow rheological modifier. The application also provides the application of the rheological modifier in a natural gas hydrate drilling fluid. The hectorite-polymer large-temperature-difference constant-flow rheological modifier provided by the application has good temperature resistance and salt resistance, excellent low-temperature regulation capacity and a wide temperature application range.

The invention discloses a method for improving the deep-frying deformation resistance of a fish recombinant product, and belongs to the technical field of aquatic product processing. According to the method for improving the deep-frying deformation resistance of the fish recombinant product, starch with low amylose content is added in the preparation process of the recombinant minced fillet, the starch is fully swelled and filled in gel pores in the minced fillet, protein conformation change is regulated and controlled, formation of a more compact and stable network structure is facilitated, and the deep-frying deformation resistance of the fish recombinant product is improved. And the problem of deformation caused by thermal expansion and cold contraction in the frying process of the recombinant fish product can be effectively solved, so that the frying deformation resistance of the recombinant fish product is improved. Theoretical support and technical practice are provided for high-value development of minced fillet products and accurate application of starch in a fried gel system.

The invention discloses a zwitterionic polymer hydrogel, belonging to the technical field of hydrogels, wherein the zwitterionic polymer hydrogel is cross-linked by ureido imidazole nitrogen heterocyclic carbene, zwitterionic monomer, and amide compounds through dynamic covalent bonds and non-covalent bonds. The invention improves the mechanical strength of the hydrogel by constructing a more stable network structure, while increasing the adhesion of the material; and imparts stretchability and self-repairing properties to the hydrogel.