31results about How to "Anti-sagging" patented technology

The invention discloses an efficient-spraying type dry-mixing and wet-mixing mortar plasticizer composition as well as a preparation method and an application method thereof. The composition comprises the following components in percentage by weight (100% in total): 1%-5% of a plasticizer, 15%-30% of a thickening agent, 30%-50% of a retarder, 10%-25% of an anti-cracking agent, 1-5% of a water-retaining agent, 5%-10% of an enhancer, and 1%-5% of a binding agent. By utilizing the composition, the workability, water-retaining property, adhesive property and cracking resistance of coating mortar can be remarkably improved, the cracking, hollowing and falling of the mortar are avoided, and various performance indexes such as the strength and permeability resistance of the mortar can be improved; and furthermore, cement can be saved, and the disadvantages of easiness in ash blasting, high shrinkage, low strength and the like of the cement mixed mortar are overcome.

The invention provides a mechanical spraying plastering mortar and an additive. The mechanical spraying plastering mortar comprises: by weight, cement 10%-18%, fly ash 5%-10%, sand 75%-80%, and additive 0.5%. The additive comprises, by weight, cellulose ether 0.02%, montmorillonite powder 0.01%, starch ether 0.01%, water reducing agent 0.05%, air-entraining agent 0.0035%, and wood fibre 0.1%. The product optimizes the mix ratio of the plastering mortar, and mixes a certain ratio of additive, so that the plastering mortar has sag resistance, good lubricity, water-retaining property and fluidity, and strong binding power, and the performance requirements of mechanical pumping and spraying construction of the plastering mortar is realized. And thus, labor intensity is reduced, construction efficiency is enhanced, and the construction efficiency is more than two times of that of manual plastering. The wall plastering using mechanical spraying construction has high pressure and is uniform, avoids empty drum and crack of the plaster layer, and improves the engineering quality of the additive.

The invention discloses a novel sculpture mortar. The novel sculpture mortar comprises the following components: 40-50% of 32.5R ordinary Portland cement, 45%-55% of 40-80 mesh sand ( quartz sands), 1-2% of 50-70 mesh light-weight aggregates, 0.01-0.1% of cellulose ether, 0.02-0.2% of dispersible latex powder, 0.2-0.4% of a water-reducing agent, 2-3% of silica powder, 0.3-0.4% of lignin fiber and 0-0.04% of polyropylene fiber. The component composition is to fulfill the following purposes: the operation is simple; no other materials are required for adding and the sculpture mortar can be directly utilized; the novel sculpture mortar facilitates the construction and has excellent workability; the sag resistance of the novel sculpture mortar enables the thickness of the troweling at one time to be more than 5 cm; a more stereoscopic and richer sculptural effect can be created; the construction efficiency is improved; cracks are rarely found on the sculpture and the simulation effect is improved; the structure is compact; the matching is reasonable and the service life can be prolonged; industrialized production is realized, so that the quality is stable and guaranteed.

The invention belongs to the technical field of coating preparation, discloses a polysulfide rubber modified epoxy resin anti-corrosion and anti-sewage coating, a preparation method and a system thereof. The preparation system includes a dosing module, a polyurethane prepolymer synthesis module, a polysulfide rubber synthesis module, an epoxy resin modification module and a mixing module. According to the invention, the epoxy resin modification module obtains the high-performance epoxy resin, which has excellent ageing resistance and corrosion resistance and long service life; meanwhile, nanosilicon dioxide is added to increase the strength of the coating; Additionally, preservative is added, so that the corrosion resistance of the coating in the oxidizing acidic environment and the alkaline environment is obviously improved, and the coating is suitable for the corrosion prevention coating of equipment in severe corrosive environments, such as pipelines and concrete in environments such as acid-base tanks, waste water tanks, sewage treatment and the like.

The invention discloses a special impermeable modified epoxy coating for a denitrating device and a preparation method thereof. The impermeable modified epoxy coating comprises a component A and a component B in a weight ratio of (6: 1)-(5: 1); the component A comprises the following substances: epoxy resin, an inert flaky material, a plasticizer, precipitated barium sulfate, an auxiliary agent, an anti-sagging agent, pigment, a filler and a modifying additive; the component B comprises the following substances: a curing agent, a solvent, an accelerant and a toughening agent. The special modified epoxy coating for the denitrating device, provided by the invention, is high in bonding power, is unlikely to fall off, is good in impermeability and good in chemical agent resistance; the overall protective capability of the coating is improved; the service life of the denitrating device is prolonged; the preparation method has the advantages of simple operation, low cost and the like.

The invention discloses an oil drill pipe intercoat powder coating without using a phenolic primer for bottoming. Raw materials include epoxy resin KR104L, epoxy resin KD2012H, epoxy resin KD2012H, inorganic pigments titanium dioxide and carbon black, a secondary film-forming filler and a thixotropic agent. The secondary film-forming filler includes a flaky filler. The invention also discloses a preparation method of an oil drill pipe intercoat powder coating without using a phenolic primer for bottoming. The powder coating obtained by the invention has good chemical resistance and heat resistance.

Provided is a multifunctional thickener for waterborne paint. The multifunctional thickener for the waterborne paint is prepared through the steps that 620-640 parts by weight of propylene glycol is added into a vessel, 18-22 parts by weight of pure water is added into the vessel, and stirring is conducted for 8 min to 15 min under the stirring condition of 400 revolutions/minute to 600 revolutions/minute; 11-15 parts by weight of wetting dispersant is added into the vessel, and stirring is conducted for 12 min to 18 min under the stirring condition of 400 revolutions/minute to 600 revolutions/minute; 340-360 parts by weight of xanthan gum is added into the vessel, and stirring is conducted for 25 min to 35 min under the stirring condition of 800 revolutions/minute to 1,000 revolutions/minute. The multifunctional thickener for the waterborne paint can achieve the anti-settling, anti-layering and anti-sagging effects in the production and use processes of the waterborne paint and can achieve thickening in paint with different pH values.

The invention relates to the field of building materials, particularly to a formula and a construction process of exterior wall thermal insulation putty-free plastering mortar. The exterior wall thermal insulation putty-free plastering mortar comprises bottom-layer plastering mortar and surface-layer plastering mortar, wherein the bottom-layer plastering mortar comprises the following components:30-50 parts of white cement, 5-11 parts of ash calcium, 50-65 parts of white marble machine-made sand, 0.2-0.5 part of hydroxypropyl methyl cellulose, 0.1-0.3 part of wood fiber, 0.1-0.2 part of polypropylene fiber and 0.5-1.5 part of latex powder, and the surface-layer plastering mortar comprises the following components: 40-60 parts of white cement, 5-10 parts of ash calcium, 35-45 parts of white marble machine-made sand, 0.2-0.5 part of hydroxypropyl methyl cellulose, 0.1-0.3 part of wood fiber, 0.1-0.2 part of polypropylene fiber, 0.5-1.5 parts of latex powder and 0.05-0.1 part of cellulose ether. According to the exterior wall thermal insulation putty-free plastering mortar prepared by the formula, materials, procedures and time of a putty layer are saved, and the cost can be better saved.

The invention discloses a preparation method of a silica gel flatting agent used for paint. The preparation method comprises following steps: 1, a gel is prepared; 2, spherical silica sol shrinkage moulding is carried out; 3, acid immersing and water washing are carried out; 4, ammonia immersing and drying are carried out; 5, high temperature activation is carried out; and 6, grinding sieving arecarried out. The silica gel micro powder flatting agent is white or milk white powder, is nontoxic, is odourless, contains no volatile substance, is large in pore volume, is narrow in pore diameter distribution range, is high in transparency; the average particle size ranges from 6 to 10 <mu>m; the pore volume is 1.95mL/g; the refractive index is 1.4 to 1.5; the oil suction value is 300g/100g; thesilica gel flatting agent can be widely used in finishing paint, woodenware paint, furniture paint, and solvent type color paint, and possesses controlled rheological performance, bright light shielding performance, sagging resistance, settlement resistance, and improved corrosion resistance.

The invention discloses a composite coating layer material, which comprises a component A and a component B, wherein the component A is composed of epoxy resin, anti-wear and anti-corrosion micro powder, a coupling agent, a reactive diluent, a thixotropic agent and a defoaming agent, and the component B consists of the following components: a curing agent, a curing accelerator and an adhesion promoter. According to the invention, the composite coating layer material has the advantages of high flexibility, mechanical strength, bonding strength, corrosion resistance, wear resistance, weather resistance, long storage stability, low viscosity, no warping, no shedding, no cracking, and long service life; the composite coating layer material does not contain volatile organic solvents, and the cured coating has no pinholes, does not shrink, is hard, and is relatively safe to the environment and constructors; the preparation process is simple, construction operation is easy and convenient, construction can be conducted at the normal temperature, curing can be conducted at the normal temperature, shape suitability is high, the thickness of the coating is controllable, machining can be achieved, and the coating can be applied to various base materials; and the raw materials are easily available and low in cost.

The invention discloses a guar gum-added internal wall heat-insulating putty which is prepared from the following raw materials: cement, hollow glass bead, tetraethyl orthosilicate, absolute ethyl alcohol, 1mol/L hydrochloric acid, 8-10 parts of template F127 sand, guar gum, shellac resin, nano-zinc oxide, paper pulp powder, nanometer aluminum hydroxide, lauryl sodium sulfate, stannous octoate, sodium dihydrogen phosphate and a defined amount of deionized water. The putty powder prepared according to the invention has the advantages of high thickening property, high adhesive property, high strength, cracking resistance, drooping resistance, strong waterproof property, and the like, is excellent in heat insulation and simple in preparation process, is low in cost, is excellent in decorative effect for the internal wall and is worthy of popularization.

The invention discloses a wall decoration coating, which is prepared from the following ingredients in parts by mass: 30 to 65 parts of a filling agent, 10 to 35 parts of superfine slag powder, 0.2 to 3 parts of magnesium aluminum silicate, 0.02 to 0.8 part of poly high-energy latex powder, 10 to 35 parts of white cement, 0.05 to 0.5 part of a water reducing agent, 0.1 to 1.5 parts of a water retaining agent, 0.1 to 1.5 parts of waterproof powder and 0.05 to 1 part of an anti-alkali agent. The wall decoration coating has the excellent properties of no yellowing and discoloration, environmental protection, permanent alkali resistance, water resistance, mildew resistance, difficult shedding and the like, and the product has the advantages of low comprehensive cost and long service life; and the coating has the advantages of no caking, uniformity, no barrier in blade coating during construction, no crack in early dry crack resistance, manual polishing, no bubbling, cracking and powder falling phenomena within 48 hours, and environmental protection indexes exceeding national standards. The invention also discloses a preparation method and application of the wall decoration coating, the preparation is simple, the construction is simple and convenient, the comprehensive cost is low, and the wall decoration coating can replace putty wall surfaces and latex paint.

The invention provides a high-rheological-property heat insulated mortar for an outer wall of a building and a manufacturing method thereof. The high-rheological-property heat insulated mortar for theouter wall of the building comprises the following components in parts by weight: 200-240 parts of cement, 10-15 parts of ultrafine phosphorus slag powder, 5-10 parts of quick lime, 100-120 parts ofsand, 50-120 parts of modified expanded lightweight aggregate, 20-25 parts of a rheological agent, 5-10 parts of hydroxy propyl cellulose, 2-6 parts of a polycarboxylic acid high-performance water reducing agent, and 70-90 parts of water. According to the preparation method, the lightweight aggregate is subjected to ball milling through a modified ball mill agent, and the surface is modified, so that the lightweight aggregate is uniform in granule size; the surface wettability is improved; the aggregate with uniform surface wettability can be uniformly distributed in the mortar.

The invention provides a method for preparing an anti-corrosion and wear-resistant coating by utilizing secondary aluminum ash, and particularly relates to the technical field of treatment by utilizing the secondary aluminum ash, the method comprises the following steps: firstly, adding the secondary aluminum ash into water to prepare a mixed solution; filtering the mixed solution to obtain filter residues, and washing and drying the filter residues to obtain secondary aluminum ash pretreatment powder; adding the secondary aluminum ash pretreatment powder and silicon carbide into a planetary ball mill for ball milling to obtain mixed fine powder; then putting the mixed fine powder, high chlorinated polyethylene resin, an organic solvent and deionized water into a stirring kettle to be mixed and stirred to prepare pug; and adding the anti-corrosion pigment and the auxiliary agent into the stirring kettle, stirring until the mixture is viscous, and adding the inorganic flame retardant to obtain the anti-corrosion and wear-resistant coating. According to the invention, efficient recycling of the secondary aluminum ash is realized, the production cost is relatively low, the production process is simple, and the prepared anti-corrosion and wear-resistant coating has excellent performance.