50results about How to "Achieve room temperature curing" patented technology

The invention discloses a dual-component epoxy zinc-rich primer with excellent mechanical performance of a coating layer, low construction cost, high efficiency and prominent anti-corrosion performance. The dual-component epoxy zinc-rich primer comprises A and B components; wherein, the A component comprises the following components by parts by weight: 14 parts of epoxy resin, 54 to 71 parts of zinc powder, 4 to 20 parts of filler, 1 to 3 parts of anti-settlement auxiliary agent and 9 parts of solvent; the B component comprises the following components by weight percentage: 40 percent curing agent and 60 percent solvent; and the mixture ratio by weight of the A component to the B component is 8:1 to 15:1. The dual-component epoxy zinc-rich primer has the advantages of low content of the zinc powder in a paint film, low cost, simple technology and no need of special equipment; the use of the dual-component epoxy zinc-rich primer can realize the curing at room temperature, the paint film has excellent adhesion, flexibility and anti-corrosion effect, the applicable period is long and can achieve 4 hours, the construction is convenient, and the dual-component epoxy zinc-rich primer can be applied in anti-corrosion primers of pipelines, plant facilities, ships, bridges and other steel structures.

The invention discloses a polyurethane heat-insulation structural adhesive, which comprises components A and B, wherein the mass ratio of A to B is (90-110):(70-90); the component A comprises polyether polyol and auxiliaries; on the basis of the mass ratio of the auxiliaries to the polyether polyol, the auxiliaries comprise following components by weight percent: 0.1-0.3% of catalyst, 0.1-0.5% offlatting agent, 0.1-0.5% of de-foaming agent, 0.5-1.5% of chain extender, 0.1-5% of padding, 0.3-5% of plasticizer, 0.1-0.3% of anti-oxygen, and 0.1-0.3% of ultraviolet absorber; and the component B is isocyanate of MDI (methyl diphenylene diisocyanate) or TDI (toluene di-isocyanate). The invention also discloses a method for using the structural adhesive to prepare a heat-insulation aluminum profile. The polyurethane heat-insulation structural adhesive provided by the invention has advantages of excellent mechanical property, fatigue resistance, shock resistance, wear-resisting property, andstability. Room-temperature pouring and room-temperature solidifying processes are realized through the molding production; the pouring period is long; the molding production is not limited by temperature and the shape of aluminum profile; the operation is easily controlled; the rejection rate is low; and the molding production is beneficial to the popularization and application of the pouring type heat-insulation aluminum profile technique.

The antifouling paint is prepared with core-shell type fluorous acrylate emulsion as base material, heavy CaCO3 stuffing, pigment, densifier, dispersant, glycol filming assistant, lubricant, leveling agent, preservative, defoaming agent, deionized water and ammonia water. Its preparation process includes semi-continuous polymerization to synthesize core-shell fluorous emulsion, mixing the emulsion with filming assistant, mixing with other components and filtering. The antifouling paint has low surface energy and indexes meeting the requirement for environment protection, and is soluble in common organic solvent.

The invention provides a desulfurization chimney anticorrosive paint and a preparation method of the desulfurization chimney anticorrosive paint. The desulfurization chimney anticorrosive paint comprises a first component formed by dissolving, dispersing and mixing fluoroelastomer, a solvent, padding and an assistant according to certain proportion and a second component formed by mixing a solidification agent and the solvent according to certain proportion. The first component and the second component are stirred and mixed according to certain proportion for 10min-30min to conduct painting construction. The desulfurization chimney anticorrosive paint has the advantages of excellent elasticity, adhesive force, strong acid strong base corrosion resistance, thermostability aging performance, high/low temperature change resistance and wear-resisting property, and can meet desulfurization chimney anticorrosive requirements under various operation conditions on the premise of guaranteeing construction quality.

The invention provides a water-based environment-friendly anti-corrosion composite material and a preparation method thereof. The material comprises the following components in percentage by mass: 5-20% of curing agent, 10-40% of anti-corrosion filler, 20-70% of liquid silicate, 0-15% of water-based emulsion and 0.1-2% of material additive. The preparation method comprises the following steps: firstly, preparing a composite filler from a curing agent and an anti-corrosion filler to obtain a solid composition A, then preparing a liquid composition B from liquid silicate, a water-based emulsionand a material additive, and uniformly mixing the solid composition A and the liquid composition B in proportion to obtain the material. A coating is prepared by spraying, brush coating, dip-coating or roller coating, and is cured for 24 hours or more at normal temperature, so that a long-acting anti-corrosion coating can be obtained. The material reduces the content of zinc powder, is excellent in corrosion resistance, and can effectively solve the problem of corrosion of a metal component in a corrosive environment.

The invention discloses a blast furnace bottom joint filler. The joint filler comprises, by weight, 100 parts of dry materials and 10-25 parts of a binder, wherein 100 parts of the dry materials include silicon carbide particles, fine silicon carbide powder, carbon, a metal-nonmetal composite powder, a silicon dioxide micro-powder, a clay micro-powder, an aluminum oxide micro-powder, a dispersantand a curing agent. The invention further discloses a preparation method of the blast furnace bottom joint filler. The blast furnace bottom joint filler has a high heat conductivity coefficient, can effectively transfer heat, has a high strength index and a high density, has no pollution to the environment, is easy to construct, can fully fill joints, can closely combine with a material for filling the area, can be constructed at a high temperature, also can be constructed and solidified at normal temperature, has a small linear change rate and a good thermal shock stability in a use temperature interval, and improves the resource utilization rate by using wastes in other industries.

The invention discloses a grouting material and a preparation method thereof. The grouting material comprises the following raw materials by weight: 100 parts of hydroxyl terminated polybutadiene, 0.45 part of a cross-linking agent, 30 parts of filler, 0.1-0.5 part of a catalyst and a curing agent. The preparation method includes: firstly sieving filler, taking the siftage and performing drying; then mixing hydroxyl terminated polybutadiene and the cross-linking agent evenly, adding the curing agent, the filler and the catalyst in order, and mixing the substances evenly after each adding; and finally conducting vacuum pumping treatment, thus obtaining the grouting material. The grouting material provided by the invention has good body, bonding performance and technological properties, and can repair the defect space of solid rocket engine charge combustion chamber third interfacial debonding. The system of the grouting material is consistent with the lining and grain, has good compatibility, can improve the aging performance and prolong the service life, has good fluidity, and can realize room temperature curing.

The invention relates to a preparation method of a golden yellow ceramic paint for subway stations. The preparation method comprises the following steps: (1) preparing a functional polysiloxane prepolymer; (2) preparing modified conductive functional power bodies; (3) preparing the golden yellow ceramic paint, under a stirring condition, adding the functional polysiloxane prepolymer, a solvent, the modified conductive functional powder bodies and an addition agent in proportion by weight for mixing, and eliminating bubbles by a supersonic antifoaming method so as to obtain the desired golden ceramic paint for the subway stations. According to the invention, the modified conductive powder bodies are acetified and adsorbed and fixed by carbon black, so that the surface of the carbon black is coated with copper ions; besides, the color of the copper is golden yellow, by an adsorbing and reducing method, not only the electric conductivity of single carbon black can be improved, but also the traditional conductive paint can be enabled to be transformed into golden yellow from single black, as for simple metal addition, the addition level of metal can be reduced, and the high unification of the electric conductivity and the color of the paint is realized.

The invention discloses a water-based graphene acrylic acid-polysiloxane coating and a preparation method thereof. Raw materials of the coating comprise main agents and a curing agent, wherein the main agents include 60 to 60 70 parts by mass of a water-based resin emulsion; 15 to 20 parts by mass of pigment; 10-15 parts by mass of a filler; 0.1 to 1.0 part by mass of a nanometer material; 0.5 to1.0 part by mass of an anti-settling agent, 1.0-1.5 parts of a coalescing agent, 0.1-0.2 part of a pH regulator, 2-4 parts of deionized water, 0.05-0.10 part of a defoaming agent I, 0.5-1 part of a wetting dispersant and 0.1-0.6 part of a defoaming agent II. The curing agent is a water-based curing agent containing an epoxy group and an alkoxy group; wherein the water-based resin emulsion is water-based acrylic acid graft modified polysiloxane resin, and the nano material is surface modified graphene oxide. By applying the technical scheme, the coating can be cured at normal temperature, the energy consumption is reduced, the adhesive force of the prepared coating is enhanced, the water resistance is improved, the weather resistance is excellent, and the mechanical properties such as the flexibility and the impact resistance of the coating are further improved.

The invention relates to a rapid conductive coating for newly changed anode of an aluminum electrolysis cell and a coating method thereof. The bottom of an aluminum electrolysis newly changed anode is coated by a layer of rapid conductive coating, and the coating comprises the following main formula components: 2-60wt% of an adhesive, 10-60wt% of an additive, 2-20wt% of an enhancer and 2-60wt% of functional particles. According to the rapid conductive coating disclosed by the invention, the initial crystallization temperature of electrolyte in a newly changed anode area can be properly reduced, so that the electrolyte is difficultly condensed on the bottom of the anode. Meanwhile, the coating has the effect of rapidly separating a condensed electrolyte layer at the bottom of the anode from the bottom of the anode, the conductive speed of the newly changed anode is greatly improved, and the aims of saving the energy and improving the efficiency during aluminum electrolysis are achieved.

The invention discloses a water-based high-temperature-resistant coating for high-temperature coating, and a preparation method thereof, and belongs to the technical field of water-based coatings. Thecoating is prepared from, by weight, 30-60 parts of a high-temperature-resistant emulsion, 0.05-2 parts of an organic silicon defoaming agent, 0.5-3 parts of an amine neutralizer, 0.3-3 parts of a silane coupling agent, 0.3-3 parts of a phosphate coupling agent, 0.1-2 parts of a base material wetting agent, 1-15 parts of a coalescing agent, 0.5-6 parts of a pigment, 20-40 parts of a filler, 5-25parts of distilled water I, 0.1-4 parts of a thickening agent and 0.1-4 parts of distilled water II. The water-based high-temperature-resistant coating for high-temperature coating has excellent waterresistance and salt spray resistance, can be directly applied to a high-temperature substrate in a coating manner, and can be directly used for treating some high-temperature parts which are in a high-temperature state for a long time due to special reasons without shutdown for cooling.

The invention discloses an epoxy-acid anhydride coating capable of being cured at room temperature and a preparation method of the coating. The formula of the coating comprises the following raw materials in parts by weight: 70-80 parts of epoxy resin, 20-30 parts of episulfide resin, a sulfydryl compound with a sulfydryl mole number of 0.10-0.30 of an epoxy mole number of the epoxy resin, an acidanhydride with an acid anhydride mole number of 0.7-1.0 of a sum of the epoxy mole number of the epoxy resin and the episulfide mole number of the episulfide resin, 20-50 parts of a toughening agent,and 100-300 parts of a solvent. According to the coating provided by the invention, the problem that an epoxy acid anhydride coating needs to be cured at a high temperature is solved, the tensile strength of a room-temperature cured coating layer is greater than 60 MPa, the binding force of the room-temperature cured coating layer on a Ly12 aluminum alloy substrate is greater than 12 MPa, the coating has good adhesive force on materials such as metals and engineering plastics, and the application range of the epoxy-acid anhydride coating is expanded.

The invention relates to a high-toughness hand lay-up epoxy resin composition for wind turbine blades and a preparation method thereof. The resin is prepared from component A and component B, wherein the component A is prepared from bisphenol A epoxy resin and epoxy terminated polyether elastomer; the component B is prepared from alicyclic amine, aromatic amine, benzyl alcohol, phenolic resin and an amino silane coupling agent; traditional diluent is replaced by the epoxy terminated polyether elastomer in the component A; the alicyclic amine, the aromatic amine and the high-softening-point phenolic resin in the component B can produce condensation reaction to jointly toughen epoxy resin with epoxy terminated polyether; the hand lay-up epoxy resin cure product with higher impact toughness and elongation at break is prepared. The cure product prepared through the method has appropriate operable time, gelation time and curing time, also can be cured in the temperature of 25 +/- 3 DEG C, can meet the manufacture and reinforcement requirements of varieties of large components in different environments, can be widely applied to the field of manufacturing and reinforcing the large compound material components, sports equipment, varieties of moulds and adhesives.