89results about How to "Curing time controllable" patented technology

The invention relates to an electromagnetic shielding paint for the surface of a silicone rubber and a preparation method thereof. The electromagnetic shielding paint for the surface of the silicone rubber comprises a solute part and a solvent part, and the solute part comprises the following components: 15-27% of a film forming resin, 1-6% of a curing agent, 40-65% of a conductive filler, 0.2-0.6% of a coupling agent, 0.2-0.6% of an anti-settling agent, and 0.5-6% of a catalyst. The electromagnetic shielding paint of the invention has a very excellent adhesion effect on the surface of the silicone rubber, so the preparative conductive silicone rubber has a good electromagnetic shielding performance.

The invention discloses a pressure bearing and leakage blocking agent, which solves the problems of difficult retention, easy mixing, poor caking property and pollution of a drilling fluid of the routine leakage blocking agents. The pressure bearing and leakage blocking agent comprises the following components: an amorphous form aluminosilicate curing agent, an activator, a retarder and an inertia filling material; a ratio of components is calculated according to a following mode: modulus is 1.0-1.4, the activator with mass concentration being 10-20% is taken as a liquid phase, a mass ratio (water cement ratio) of the liquid phase to the curing agent is 0.8-1.2; the addition of the retarder accounts for 0-1% of total amount of the above slurry. The pressure bearing and leakage blocking agent has the advantages of adjustable solidification time, high solidification intensity, large bearing, is not restricted by a leakage channel, so that effective plugging is formed to a leakage layer.

A fly ash solidification foamed material for preventing coal spontaneous combustion and a preparation method thereof. The fly ash solidification foamed material comprises the following ingredients, by weight: 40-60 parts of water, 100 parts of fly ash, 25 parts of complex powder for chemically self-producing gas, 1-5 parts of an accelerator, 1-4 parts of an activator, 0.6-1.5 parts of a water reducer, and 0.5-1 parts of a foam stabilizer. The preparing method comprises: adding the foam stabilizer in water and stirring to form a uniform foam solution; adding the fly ash, the complex powder for chemically self-producing gas, the accelerator, the activator, and the water reducer in a dry-blending mixer to form a blended powder; and finally adding the blended powder into the uniform foam solution to obtain the fly ash solidification foamed material. The material of the invention is light in weight, safe and low in costs, and has strong crack penetration capability, adjustable solidification time, great compressive strength, low heat conductivity coefficient, and a good heat insulation effect; foam fluid can uniformly cover loose coal-rock mass; carbon dioxide is released during a foaming reaction process to well dilute the oxygen concentration in residual coal space; and the operation technique is simple.

The invention discloses a heat-resistant and salt-resistant profile controlling agent, comprising waste slurry, a slurry curing agent, a strength modifier, a dispersant, a retarder and water. Based on the weight of the waste slurry as 100%, the profile controlling agent comprises 6-12 wt% of the slurry curing agent, 6-12 wt% of the strength modifier, 0.1-1.5 wt% of the dispersant, 0.02-0.15 wt% of the retarder and 6-12 wt% of water. The invention also relates to a preparation method of the heat-resistant and salt-resistant profile controlling agent. The heat-resistant and salt-resistant profile controlling agent is obtained by the steps of adding the slurry curing agent, the strength modifier, the dispersant, the retarder and water in the waste slurry, based on the weight of the waste slurry, and standing for 66-78 hours. The invention also provides an application of the waste slurry in preparing the heat-resistant and salt-resistant profile controlling agent.

The invention discloses a low-temperature antistatic grouting solidifying material and a preparation method thereof. The grouting solidifying material, which is low in heat storage temperature and antistatic, comprises, by weight, 100 parts of isocyanate, 70-100 parts of polymer polyatomic alcohol, 0.5-2 parts of tin catalyst, 10-50 parts of flame-retardant diluent, and 10-30 parts of graphite. With the graphite modified polyurethane grouting material, antistatic performance of the grouting composite can be optimized utilizing conductivity and heat conduction of graphite, and heat transfer in the grouting solid is promoted in the mean time. Heat storage temperature of the grouting material is remarkably lowered, and potential risks are reduced.

The invention relates to a formula of water dispersing compounding sand consolidation agent. It is made up from modified phenol-formaldehyde resin 5-8%, organic silicon resin 0.02-0.25%, furfural compounding 5-15%, alcohol compounding 0.5-5%, phosphoric acid series compounding 0.05-0.15% and water 89.43-81.6%. The benefit is that the sand consolidation agent has low viscosity, low usage quantity, low cost, etc.

The invention discloses a waterproof construction method of a basement foundation cast-in-place pile head. The waterproof construction method particularly comprises the steps of base plane cleaning, pile head root grooving, vertical face capillary crystalline type waterproof coating and waterproof mortar smearing, base layer treating agent smearing, sealant smearing, reinforcing layer coiling, reinforcing layer shearing position sealing, large face waterproof construction, sealing of the combining portion of a large face and the pile head, pile head waterproof closing and fixing and high-permeability epoxy resin waterproof coating smearing. High-permeability epoxy resin waterproof coating, sealants, capillary crystalline type waterproof coating and waterproof mortar are smeared, waterproof rolls are laid, and rigid waterproofing and flexible waterproofing are achieved. Waterproofness of a foundation platform and waterproofneses of a bearing platform and the pile head are combined into one, and leakage points are prevented from happening to the pile head to guarantee project quality. The construction process is easy and convenient to operate, construction speed is high, no water moving layer exists, energy saving and consumption reducing are achieved, and the waterproofing term is prolonged.

The invention relates anti-static coating for a photo-curing nanometer polyaniline-epoxy acrylic resin interpenetrating network, which is prepared by interpenetrating polyaniline and an epoxy acrylic resin system under the action of an initiator and a catalytic agent. Aniline is subjected to in-situ emulsion polymerization in epoxy acrylic resin to obtain doped nanometer polyaniline particles, and a dilute monomer, a catalytic agent, an initiator, a polymerization inhibitor and fillers are further added into the doped nanometer polyaniline particles to be stirred evenly. The anti-static coating is simple in process device, convenient to operate and quick in curing speed. The anti-static coating for the photo-curing nanometer polyaniline-epoxy acrylic resin interpenetrating network has good glossiness, stable electric conduction performance, good mechanical property, ageing-resistant performance and chemical erosion resistance performance, not only can serve as the anti-static coating, but also has the price and environment-friendly advantages. Products can be used in the inner walls of oil transmission pipelines, electronic machines, electrostatic dust preventing floors, bridges, railways and other places and have wide application range and good economic and social benefits.

The invention relates to the field of oil and gas well cementing, and relates to a high-temperature magnesium oxychloride thermosetting resin gel system as well as a solidified body and preparation method of the system. The high-temperature magnesium oxychloride thermosetting resin gel system comprises an epoxy resin emulsion, an epoxy resin curing agent, a magnesium oxychloride skeleton materialand a high-temperature adjustable solidification agent, wherein the epoxy resin emulsion is at least one selected from the group consisting of glycidyl ether type epoxy resin, glycidyl ester type epoxy resin, cycloaliphatic type epoxy resin, glycidyl amine type epoxy resin, and linear aliphatic type epoxy resin; and the epoxy resin curing agent is at least one selected from the group consisting ofan anhydride, a carboxylic acid, an amine compound, a phenol compound, and a polyhydric alcohol. The high-temperature magnesium oxychloride thermosetting resin gel system provided by the invention can be cross-linked and cured to form an organic polymer material with a three-dimensional net-shaped structure under the conditions of heating, pressing and the like, and realizes annulus long-term sealing performance of cementing cement in the high-temperature environment of 90-120 DEG C relying on the advantages of excellent heat resistance, good compressive strength and toughness, excellent adhesion and the like.

The invention discloses a method for preparing an unsaturated carboxylate solution modified concrete compound material. The method comprises the following steps of: mixing and stirring 20-60 parts of water and 100-150 parts of a magnesium acrylate solution for 2 minutes; respectively and sequentially adding 0.1-0.15 part of sodium persulfate and 5-12 parts of polypropylene fibers until the materials are uniformly dispersed to prepare a mixed solution A; mixing and stirring 300-400 parts of aggregates, 100 parts of cement, 0-40 parts of pulverized fuel ash, 0-10 parts of silica fume, 5-50 parts of sericite powder and 0-50 parts of white carbon black until the materials are uniformly dispersed, adding half mixed solution A, stirring for 2 minutes, adding the rest half mixed solution A, and stirring until the materials are uniformly dispersed. Compared with the prior art, the material has the advantages of convenience in construction, controllable curing time, good elastoplasticity, short construction time and the like and has a wide application prospect in the fields of expansion joints of highway, roads, bridges and other construction structures.

The invention provides concrete thin-layer repairing polymer mortar and a preparation method thereof and relates to the field of mortar. The concrete thin-layer repairing polymer mortar is prepared from the following raw materials in weight ratio: two-component slow reaction type polyurea waterproof coating and a sand material, wherein the weight ratio of the two-component slow reaction type polyurea waterproof coating to the sand material is 1:(1-3). By utilizing the concrete thin-layer repairing polymer mortar, the problem that polymer mortar in the prior art cannot well repair a concrete building component can be solved, and the concrete thin-layer repairing polymer mortar has the advantages of good bonding performance, corrosion resistance and scour and wear resistance.

The invention relates to a rubber plug for stabilizing a well wall of a limestone deep well and a preparation method thereof. The rubber plug is prepared from raw materials of epoxy resin, diluents, curing agents, modifying agents and coupling agents; the diluents account for 20 to 30 mass percent of the resin; the curing agents account for 15 to 40 mass percent of the resin; the modifying agentsaccount for 2 to 3 mass percent of the resin; the coupling agents account for 1 to 5 mass percent of the resin. The rubber plug provided by the invention is adjustable at the temperature of 100 to 150DEG C within 4 to 9 hours; the high pressure-resistant intensity and the well wall stabilizing effects are achieved; the long-time stability is high; the rubber plug is applicable to the well wall stabilizing operation of well wall collapse wells.

The invention provides a furan resin material based on multi-arm cross-linking agent and starch nanocrystal modification as well as a preparation method and application of the furan resin material. The furan resin material is prepared from the following raw materials in parts by weight: 20-40 parts of furan resin and 20-40 parts of filler, 70-95 parts of furan resin, 5-20 parts of a curing agent,0-5 parts of a multi-arm cross-linking agent and 0-5 parts of starch nanocrystals. The furan resin has the characteristics of controllable curing plugging time and long-term stability in acid and alkali resistance and can be used as a matrix of a high-strength permanent plugging material; meanwhile, the mechanical properties and heat resistance of the furan resin material are enhanced by using themulti-arm crosslinking agent and starch nanocrystals. The modified furan resin type plugging material can improve the waterflooding development effect and realize the function of permanently pluggingan underground water outlet layer.

The invention discloses a plugging material and a preparation method thereof. The plugging material comprises the following components in percentage by mass: 0.1-0.5% of a surfactant, 3-10% of oil, 0.1-0.5% of a tackifier, 20-50% of a curing agent, 12-0% of a curing reaction aid, 5-50% of a structural strength aid, 1-25% of a filtrate reducer, 1-20% of a retarder and the balance of water. The surfactant comprises an oil-soluble surfactant and a water-soluble surfactant, and the retarder comprises a retarder I and a retarder II; the plugging material is of a water-in-oil-in-water type structure, an inner water-in-oil structure is composed of part of water, a first retarder, an oil-soluble surfactant and oil, and the water-in-oil structure and other components form an oil-in-water structure.The plugging material is adjustable in curing time, has good flow characteristics and thixotropy, does not depend on identification of the width of a leakage crack, has the advantages of high strength of a cured plugging belt, capability of being removed by acid dissolution and no damage to a reservoir, can be used for leakage control of a non-reservoir section and leakage control of a reservoirsection, and is wide in application range.

A preparation method of a magnesium phosphate medical bone adhesive concretely comprises the following steps: 1, calcining medical MgO, and carrying out dry grinding to obtain powder having a granularity of 0-20mum; 2, placing KH2PO4 in a drying box, drying at 120DEG C for above 24h, and carrying out dry grinding to obtain powder having a granularity of 0-20mum; 3, processing an additive to prepare a dilute solution having a concentration of 1.0-10.0%, and uniformly stirring to obtain a solid phase mixed solution A; and 4, uniformly mixing the MgO powder obtained in step 1 with the KH2PO4 powder obtained in step 2 to obtain a mixture B, adding the mixture B to the solid phase mixed solution A while stirring to obtain a slurry C, and continuously stirring the slurry C for 1min to obtain the magnesium phosphate medical bone adhesive. The preparation which allows the additive to be added into the solid phase mixed solution obviously improves the adhesive strength of the prepared magnesium phosphate medical bone adhesive.

The invention relates to a new method for manufacturing a paper-based micro-fluidic chip. According to the method, a chip pattern is directly printed on filtering paper by utilizing a photocuring material and combining a stamp technology while the material is cured by utilizing ultraviolet lamp irradiation so as to generate a hydrophobic solid material on the filtering paper in situ, and the hydrophobic solid material as a hydrophobic dam blocks an aqueous solution flowing through the middle to finally form a patterned hydrophilic channel on the filtering paper so as to obtain the paper-basedmicro-fluidic chip. According to the invention, the manufacturing method has the advantages of low price and easily available raw materials and simple and rapid manufacturing process, can be used formanufacturing a paper-based micro-fluidic chip to achieve on-site analysis and detection, and can also be directly used for manufacturing science popularization teaching aids, implementing classroom experiments and the like.

The invention discloses organic-inorganic hybrid cross-linked heat-conducting silica gel, which is prepared from the following raw materials: vinyl silicone oil, hydrogen-containing silicone oil, dimethyl silicone oil, chemically modified inorganic filler, copper powder, white carbon black, graphene, a catalyst and an inhibitor. The organic-inorganic hybrid cross-linked heat-conducting silica gel comprises the following components in percentage by weight: 30%-35% of vinyl silicone oil, 5%-8% of hydrogen-containing silicone oil, 2%-5% of dimethyl silicone oil, 35%-40% of chemically modified inorganic filler, 15%-20% of copper powder, 1%-5% of white carbon black, 0.1%-0.3% of graphene, 0.02%-0.06% of a catalyst and 0.005%-0.01% of an inhibitor, wherein the chemically modified inorganic filler is obtained by modifying a to-be-modified inorganic filler with a coupling agent. The to-be-modified inorganic filler is modified through the coupling agent, the surface of the to-be-modified inorganic filler is modified to enable the to-be-modified inorganic filler to have double-bond functional groups the same as those of a matrix, the filler and the matrix are connected together in a chemical bond mode through the hydrosilylation effect, through connection of the chemical formula, sedimentation of the filler can be effectively improved, and the construction of a whole heat-conducting passage of the system is facilitated.

The invention discloses heavy oil thermal recovery high-temperature channeling blocking composite plugging-adjusting liquid and a preparing method and application thereof. The components of the liquid comprise, by weight, 1000 parts of water, 200-500 parts of water glass, 10-30 parts of flyash, 1-10 parts of lignosulfonate, 10-20 parts of modified starch, 0.3-0.5 part of foaming agent and 0.3-0.5 part of foam stabilizer. In-well fluid of the heavy oil thermal recovery high-temperature channeling blocking composite plugging-adjusting liquid is pure liquid, mobility and injection efficiency are good, and the liquid has small harm on a stratum; curing time is controllable, and can be adjusted according to a construction situation; the liquid has a strong high-temperature resistance, and can endure temperature of 300 DEG C or above; validity period for blocking is long, and can last for more than several years, thus effectively avoiding repetitive operation on the same channeling layer; after blockage, residual resistance factor remains large, and thus blockage of the channeling layer and a water yield layer is effectively achieved.