87results about How to "Anti-corrosion has" patented technology

The invention belongs to the technical field of preparation of nano materials, and in particular relates to a super hydrophobic self-cleaning coating and a preparation method thereof. The method comprises the following steps of: dispersing hydrophobic silicon resin and hydrophilic nano SiO2 particles into an organic solvent to obtain dispersion; and spraying the dispersion on a clean and dry glass sheet substrate, drying, and thus obtaining the super hydrophobic self-cleaning coating. The coating has a hierarchical structure compounded by using organic and inorganic components, namely the hydrophobic silicon resin and the hydrophilic nano SiO2 particles, and the structure has compound micro-nano surface topography; and the compound micro-nano hierarchical structure is constructed by spheroid-like protrusions with the diameters of 1 to 10 microns and agglomerate spheres with the diameters of 20 to 100 nanometers on the surface of the coating, wherein the spheroid-like protrusions are constructed by agglomerate spheres with the diameters of 20 to 100 nanometers. The contact angle between the coating and water is 140 to 155 degrees, and the rolling angles of water drops on the surface of the coating are less than 2 degrees.

The invention relates to a preservative composition containing Chinese medicinal herbs and application thereof, belonging to the technical field of preservatives. The preservative composition is prepared by adopting the steps of: 1, weighting 0.1-0.78 percent of goldthread, 0-1 percent of the tuber of stemona, 0.1-0.84 percent of golden cypress, 0-0.58 percent of liquorice root, 0.1-1.5 percent of liquorice, 0-0.8 percent of poria cocos and 94.6-99.6 percent of water according to the weight proportion, uniformly stirring, soaking for 6-8h, heating to 110-130 DEG C, preserving the temperature for 30-50min, decocting, press-filtering, and collecting filtrate for later use; and 2, adding alcohol, which is 1.5-2.5 times the volume of the filtrate, in the filtrate, standing at a temperature of4 DEG C for 24-26h, filtering out sediment, decompressing and recycling the alcohol at a temperature of 75 DEG C, carrying out rotary distillation and condensation at a temperature of 85 DEG C until the volume is 8-15 percent of the original volume. The prepared preservative is natural and non-toxic, has no residual, good rot proofing effect on the foods, refreshing efficacy, low production cost and wide application range, and is safe in use.

The invention relates to a waterproof anti-corrosion flame retardant coating for an airplane and a preparation method thereof. The coating is prepared from tung oil, ethylene-vinyl acetatecopolymer emulsion, decabromodiphenyl oxide and magnesium hydroxide according to the weight ratio of 60-80:10-30:5-10:5-10. The waterproof anti-corrosion flame retardant coating for the airplane uses the tung oilhaving the characteristics of waterproof property, anticorrosion, high temperature resistance, and the like as the main material, matches the decabromodiphenyl oxide and magnesium hydroxide with theflame retardant function and uses the ethylene-vinyl acetatecopolymer emulsion as the adhesive. Therefore, when applied on the surface of a structural component of the airplane to form an adhesive film with the waterproof, anti-corrosion and flame retardant effects, the waterproof anti-corrosion flame retardant coating can prevent material lamination or even damage caused when the external moisture and corrosive substances enter the inside of the structural component and has flame retardant effect, thereby prolonging the service life of the structural component and ensuring good safety.

The invention comprises the following steps: (1) Stirring cement, stone dust, rock ballast and water to form base stock according to a certain weight proportion. (2) Putting the base stock in the lower mould frame of a mould, and prepressing the base stock in a hydraulic pressure moulding machine to form a base stock layer. (3) Stirring the solution mixed by cement, silver sand, colourful paint, water repellent and water according to a certain weight proportion to form a colourful material. (4) Filling the colourful material in the lower mould frame of the base stock layer, and pressing the colourful material with the hydraulic pressure moulding machine to form colourful decorated basso-relievo bricks. (5) Ejecting the basso-relievo bricks from the mould frame waiting to be used. (6) Stirring stone dust, rock ballast, cement and water separately according to a certain weight proportion to form a mixed material. (7) Pouring the mixed material in an air brick mould, shaking and pressing the mixed material to form a certain form. (8) Dipping the basso-relievo bricks in water and then taking out, putting the basso-relievo bricks on the air bricks, knocking and pressing the basso-relievo bricks, the grout flows in the flutes on the back of the basso-relievo bricks to make the basso-relievo bricks combine with the air bricks firmly. (9) Disassembling the mould, watering and maintaining the bricks after the bricks solidified.

The invention relates to the technical field of paint, and in particular relates to functional modified epoxy anticorrosive paint and a preparation method thereof. The functional modified epoxy anticorrosive paint comprises constituents A, constituents B and constituents C, wherein constituents A comprise low molecular weight epoxy resin, anticorrosive pigment, titanium dioxide, environmental protection solvent, dispersant, defoamer, leveling agent and packing; constituents B comprise titanate, polyamide curing agent and environment-friendly solvent; and constituents C comprise polybasic divalent esters, S100# solvent and n-butanol. During use, the mass ratio of constituents A to B to C is 4:1:3. The functional modified epoxy anticorrosive paint has the advantages of alkali resistance, high and low temperature resistance, anticorrosion, strong adhesiveness to hot melting adhesive membranes and good paint film adhesiveness, is non-toxic, non-pollution, environment-friendly, safe to use and easy to operate; the paint film is fast to dry, can resist high temperature above 200 DEG C and low temperature above -30 DEG C; and the preparation method is simple, and is easy to realize mass production.

The invention discloses an oil-resisting, waterproof, anticorrosive and mildew resistant paint and a production process thereof. The paint comprises the following raw materials in parts by weight: 20 to 30 parts of polystyrene, 20 to 30 parts of acrylic emulsion, 5 to 10 parts of epoxy resin, 1 to 3 parts of preservative, 1 to 3 parts of mildew resistant antibacterial agent, 5 to 10 parts of pigment, 1 to 3 parts of dispersing agent, 5 to 8 parts of thickener, 1 to 3 parts of antioxidant, 5 to 8 parts of paraffin wax and 50 to 80 parts of water. The production process comprises the following steps of: at the temperature of between 50 and 80 DEG C, adding the raw materials in sequence, stirring at an intermediate speed, mixing uniformly, and adding an appropriate quantity of a pH regulator during stirring to ensure that the pH value is between 8.5 and 8.8. Therefore, the paint has the performance of oil resistance, anticorrosion, mildew resistance, waterproofness and the like.

The invention belongs to the technical field of waterborne coatings, and in particular relates to an amphiphilic graphene oxide and a preparation method thereof and an application in a waterborne coating thereof. The amphiphilic graphene oxide is composed of modified graphene oxide and titanium dioxide, the modified graphene oxide is composed of graphene oxide and 3-isocyanatopropyltrimethoxysilane, and titanium dioxide and graphene oxide are grafted together by 3-isocyanatopropyltrimethoxysilane. The application in a waterborne coating of the amphiphilic graphene oxide is as follows: adding the amphiphilic graphene oxide into a waterborne epoxy resin coating, and then adding a curing agent and auxiliary agents to obtain the waterborne coating. 3-isocyanatopropyltrimethoxysilane is used as a bridge to graft amphiphilic nano titanium dioxide on the surface of graphene oxide, graphene oxide is introduced into epoxy resin while dispersibility is improved, and thus anti-corrosion properties of the waterborne coating is improved.

The invention belongs to the technical field of plastic pipes, in particular to a wear-resistant and anti-corrosion double-layer plastic pipe, comprising an inner layer made of corrosion-resistant materials and an outer layer made of wear-resistant materials, the inner layer and the outer layer The inner layer is connected as a whole by injection molding, the inner layer is a nylon layer, polytetrafluoroethylene layer, polypropylene layer, polyether polyurethane layer or PVC layer, and the outer layer is a PU layer or a PE layer. Because the pipeline of the present invention has the above-mentioned structure, the pipeline of the present invention has the characteristics of explosion-proof, corrosion-resistant, wear-resistant, labor-saving, convenient to install, and easy to clean. In addition, the invention also discloses a forming method of a wear-resistant and anti-corrosion double-layer plastic pipe.

The invention discloses an anti-theft well cover with a wooden core coated with a compound material. The anti-theft well cover comprises a well cover body and a frame, wherein the well cover body comprises a wooden core and a compound material layer covering the outer surface of the wooden core, wherein a built-in locking device capable of locking the well cover body onto the frame is arranged on the well cover body. A crossly-laminated solid wood plate is adopted as the wooden core, and the compound material with a certain thickness covers the outer surface of the wooden core, so that the anti-theft well cover is endowed with good corrosion resistance, aging resistance and slip resistance; and the anti-theft well cover comprises the frame with an insert hole and a built-in locking hole as well as a well cover with a built-in lock part and a special lock remover, so that compared with the conventional cement product and cast iron material, the anti-theft well cover has the advantages of high strength, light weight, corrosion resistance, long service life and the like, and the problem that the well cover is lost is also radically solved.

The invention relates to a modified polyaspartic acid ester DTM anticorrosive paint. The paint comprises a component A and a component B. The component A comprises the following components in parts by weight: 40-60 parts of polyaspartic acid ester, 30-40 parts of an antirust base material, 4-8 parts of an auxiliary agent A and 5-15 parts of a solvent A. The component B is hydrophilic modified polyisocyanate and comprises 80 to 110 parts of HDI tripolymer, 1 to 3 parts of an auxiliary agent B and 1 to 5 parts of a solvent B. The invention also relates to a preparation method of the modified polyaspartic acid ester DTM anticorrosive paint. The paint is simple in preparation process, and has the advantages of environmental protection, easy construction, corrosion resistance, curing at normal temperature and the like; the solid content of the paint is 100%, and zero emission of VOC is achieved; raw materials do not need to be subjected to dehumidification, environmental humidity does not need to be controlled in a construction process, the activation period of the paint is long, and a construction window is wide; and the paint has large adhesive force to a metal surface, has good waterproof and anti-corrosion performance, can directly coats the metal surface, and does not need to be matched with primer.

The invention belongs to the PVC floor, especially relates to a novel anti-corrosion plastic coating floor. The novel anti-corrosion plastic coating floor is characterized in that: the formula of the novel anti-corrosion plastic coating floor comprises, by weight, 100-120 parts of polyvinyl chloride resin, 50-100 parts of nano-scale quartz sand, 8-10 parts of a rare earth stabilizer R108A and 25-30 parts of dipentaerythritol. According to the present invention, the novel anti-corrosion plastic coating floor is provided, and the floor has advantages of anti-corrosion, wear resistance and the like.

The invention provides a fabrication technology for a PVC plastic floor. The fabrication technology comprises the steps that raw materials are weighed, the raw materials comprise, by weight, 50-100 parts of resin powder, 10-30 parts of light calcium carbonate, 1-2 parts of stearic acid, 2-6 parts of GB-101 titanium dioxide, 0.8-1.2 parts of polyethylene wax, 1-3 parts of barium stearate, 2-6 parts of antioxidants, 5-10 parts of epoxidized soybean oil, 2-6 parts of rare earth, 3-6 parts of modified heat stabilizers, 2-4 parts of filling matrix and 0.4-0.8 part of foaming agents, and the weighed raw materials are mixed in a high speed mixer at 160 DEG C; the mixed raw materials are subjected to one-time extrusion molding in a high pressure double-screw extruder with the temperature controlled at 210 DEG C; extrusion-molded materials are leveled in a vacuum environment; vacuum-leveled materials are forcedly cooled to obtain a floor substrate; the forcedly-cooled products are subjected to multicolor printing; multicolor-printed floor substrate is obtained; a 3D printed solid-wood-imitating stripe layer is installed on the multicolor-printed floor substrate; and UV high-abrasion-resistance paint is painted on the floor substrate with the installed solid-wood-imitating stripe layer to obtain the PVC plastic floor. According to the fabrication technology for the PVC plastic floor, the shortages and defects of laminate floors and vitrified floors are overcome.

The invention relates to a chemical fiber cloth production method. The method comprises the following steps: yarn selection and weaving, bleaching and dipping, dyeing liquid burdening, fabric dyeing,hot setting, and cleaning and removal of impurities. By using acrylic fiber as the warp yarn and cotton yarn as weft yarn, and the warp and weft yarns are knitted into the fabric through a knitting machine, the water absorption performance at the later stage is improved, sweat can be better absorbed, In the production process, the chemical fiber fabric produced by the production process has the advantage of preventing corrosion by adding an anticorrosive agent. The preparation method of the invention is used to produce the chemical fiber fabric by steps of yarn selection and weaving, bleachingand dipping, dyeing liquid burdening, fabric dyeing, hot setting, and cleaning and removal of impurities, and the surface of the chemical fiber cloth is free from excess wool and impurities, and thequality of the chemical fiber cloth can be improved.

The invention discloses anti-corrosive paint and belongs to the field of fine chemical engineering. The paint is prepared from raw materials in parts by weight as follows: 1.2-2.4 parts of feldspar powder, 0.8-1.6 parts of tribenzyl phenol polyoxyethylene ether, 1.4-2.9 parts of zinc phosphate, 2.6-4.7 parts of polysiloxane, 6-12 parts of epoxy grafted aacrylic resin, 1.8-3.9 parts of polyether sulfone, 1.6-3.2 parts of sodium thiocyanate and 1.2-2.9 parts of sodium diisopropyl naphthalene sulphonate. Compared with existing anti-corrosive paint, the paint has the advantages of corrosion resistance, aging resistance, high/low-temperature resistance, good ductility and high elongation at break, is suitable to be applied to surfaces of multiple base materials, has good friction resistance and has excellent storage stability.

The invention discloses durable anti-corrosion printing ink which comprises a binder, a filler, an anti-corrosion agent, an anti-oxidant, a slipping agent, a pigment and a solvent, wherein the binder is nitrile butadiene rubber; the binder is pentaerythritol polymerized rosin resin; the filler is aluminum hydroxide powder; the anti-corrosion agent is chlorophenol; the anti-oxidant is 2,6-di-tert-butyl-4-methylphenol; the slipping agent is high density polyethylene polyethylene wax; the pigment is phthalocyanine blue; the solvent is isopropyl alcohol. As the printing ink comprises the binder, the filler, the anti-corrosion agent, the anti-oxidant, the slipping agent, the pigment and the solvent, the printing ink is resistant to oxidation, abrasion and corrosion, low in cost, long in service life, and good in using effect.

The invention aims to provide a photocuring skin wound adhesive. The photocuring skin wound adhesive is prepared from the following raw materials: n-butyl alpha-cyanoacrylate, fumed silica, polymethyl methacrylate, a stabilizer, a photoinitiator and an accelerant. Compared with the prior art, the skin can be tightly attached to the product, wound infection can be effectively prevented, wound healing is accelerated, and the wound can be immediately soaked in water, bathed, subjected to field work and the like after being glued and cured, so that the wound can be effectively protected.

A colorful tension rope made of waste galvanic aluminum and method of preparation thereof, wherein the base material of the galvanic aluminum thin film is PET macromolecular plastic, a pellumina is obtained with a spraying surface layer having a different color, and possessing the advantages of strong tension force, acid resistance and corrosion resistance, the multi-ply colored tension force rope is manufactured through collecting, selecting, cleaning, airing, cutting, second rope-strand machine forming, checking and packing. The rope can be used to substitute nylon cord and twine.