49results about How to "Long waterproof life" patented technology

An organic Si-F water-proofing agent is composed of solvent and the organic Si-F resin prepolymer which is prepared from one or more alkyl siloxane coupling agents and hydroxy F-Si oil through catalytic hydrolysis reaction. Its preparing process is also disclosed. Its advantages are high water-proofing effect and high resistance to solvent, acid, alkali and ageing.

The invention discloses a novel process for producing a mortar concrete waterproofing agent. The process comprises the following steps of: diluting octadecanoic acid, silane, sodium abietic acid, sodium hydroxide, triethanolamine and water serving as major raw materials in the ratio of 100:(15-20):(0.9-1.6):(3-6):(0.21-0.36); adding in sequence; heating, and uniformly stirring; and cooling to obtain light yellow liquid. The invention has the advantages that: the produced waterproofing agent has high waterproofing performance and anti-seepage performance on mortar and concrete, the waterproofing service life is greatly prolonged, the ageing resistance of mortar and concrete is enhanced, the service life of an overall reinforced concrete building is prolonged, and the process is nontoxic and is environmentally-friendly in the producing and using processes.

The invention provides a constructing method for a flashing structure of a parapet wall. The constructing method comprises the construction steps of prefabricating flashing members, installing the flashing members, filling and compacting between the adjacent flashing members, coating a waterproof coating material and the like. The constructing method adopts a mode of prefabricating the flashing members, rapid pre-production of the flashing members is realized, the construction efficiency is improved, construction quality of the flashing members is convenient to control, and processing workshopconcentrated machining forming is achieved; construction pollution can be effectively reduced, construction materials are saved, and construction waste is reduced; phenomena of cracking and hollowingon the surfaces of the prefabricated flashing members cannot happen, and common technical problems are overcome; by using air permeability between the prefabricated members and a waterproof layer, the effect of heat resistance of the prefabricated members is good, deformation of the waterproof layer caused by water temperature changes is reduced, falling-off and water leakage of the waterproof layer can be effectively prevented, and the waterproof service life is prolonged; and the prefabricated flashing structure has a better appearance effect, the flashing height, width and radian are consistent, a later waterproof coating surface layer cannot fall off, and the long-term aesthetic effect can be achieved.

The invention discloses a passive building flat roof heat preservation and water prevention system which is composed of a steam isolation layer, a heat preservation layer, a self-adhesion waterproof layer and a hot melting waterproof layer which are arranged on a concrete base layer. A construction method comprises conducting construction preparation, brushing an interface agent, mounting drain lower fitting, conducting vapor barrier construction, conducting planar thermal insulation layer pavement, conducting planar adhesive coil material construction, conducting vertical face heat preservation layer construction, mounting a drain gully upper accessory, paving and pasting a vertical surface self-adhesive coiled material, and conducting hot-melt coiled material construction. The waterproofperformance of the roof is improved; the drying of the heat preservation layer can be effectively ensured; the quality is not influenced by cloudy and rainy weather; the construction is simple; joints are easy to process; the construction speed is high, and the roof of 1000 m <2> is taken as an example, the construction period is shortened by 15 days compared with that of traditional roof construction; the manufacturing cost of the passive building flat roof heat preservation and waterproof system is 30% lower than that of a common roof, an SD value is larger than or equal to 1500 m, and a heat conductivity coefficient is smaller than or equal to 0.015 [W/(m.K)].

The invention relates to the technical field of basements, in particular to a basement waterproof and drainage combined construction method. The construction method mainly includes the construction steps that S1, construction measurement is conducted; S2, foundation pit excavating is conducted; S3, drainage ditch and water collecting well construction is conducted; S4, basement body construction is conducted; S5, bottom plate leveling is conducted; S6, bottom plate waterproof and drainage construction is conducted; S7, wall body waterproof and drainage construction is conducted; S8, surface layer construction is conducted; and S9, drainage monitoring device installation is conducted. Waterproof and drainage plates adopted in a bottom plate and a wall body are PVC drainage plates, the characteristic that the service life of the PVC drainage plates is far longer than that of waterproof rolls in the prior art is utilized, and the phenomenon that the draining plates are aged, and water leakage happens is reduced; and meanwhile, the structure construction that the PVC drainage plates are uneven is utilized, drainage cavities are formed in the bottom plate and the wall body, leaking water can be prevented from being led out of the bottom plate and the wall body through upstream faces of the PVC drainage plates in the cavities, and the service life of buildings is further prolonged.

The invention relates to the technical field of waterproof coatings, in particular to a water-based polyurea composite modified single-component acrylic acid waterproof coating and a preparation method thereof. The method comprises the following steps: ultrasonically dispersing graphene in deionized water for 45-70 minutes to obtain a graphene water-based dispersion liquid; sequentially adding a dispersing agent, a defoaming agent and a mildew preventive into the graphene aqueous dispersion liquid, adding rutile titanium dioxide and an inorganic filler at a stirring speed of 800-1000r/min, and continuously stirring for 25-35 minutes; and sequentially adding the acrylic emulsion and the aqueous polyurea emulsion, reducing the stirring speed to 400-600r/min, continuously stirring for 25-35 minutes, and standing to obtain the aqueous polyurea composite modified single-component acrylic waterproof coating. The water-based polyurea emulsion is modified by the acrylic emulsion, and graphene and other ingredients are combined to play a synergistic effect, so that the mechanical property of the waterproof coating is greatly improved, and the problem of high water absorption rate of the waterproof coating is solved.

The invention discloses a camera lens waterproof automatic dispensing process, and belongs to the technical field of camera lens assembling. The process comprises a dispensing device and a dispensingmethod. The dispensing device comprises a dispensing jig with the interior used for placing a camera lens and a dispensing gland arranged above the dispensing jig, the dispensing jig is cylindrical, the size of the inner wall of the dispensing jig is matched with the size of the camera lens, three gaps are formed in the upper end of the dispensing jig, the dispensing gland is annular, and three convex angles are arranged on the dispensing gland. The dispensing device and the dispensing method are matched, in combination with special glue, operation and detection are convenient and rapid, a machined product is stable in structure performance, and the workpiece and the product yield are greatly improved.

The invention provides a special waterproof antibacterial adhesive for wooden products and a preparation method of the special waterproof antibacterial adhesive, and belongs to the technical field ofadhesive. The special waterproof antibacterial adhesive for wooden products is prepared from the following raw materials in parts by weight: 55 to 65 parts of glutinous rice flour, 20 to 28 parts of sweet potato starch, 10 to 15 parts of polyvinyl alcohol, 4 to 6 parts of an anti-corrosion agent, 2 to 3 parts of a waterproof agent, 2.7 to 3.5 parts of an antibacterial agent, 22 to 30 parts of a biological adhesive, and 360 to 380 parts of water. The special waterproof antibacterial adhesive is excellent in comprehensive performance, waterproof, corrosion-resistant, excellent in antibacterial effect and good in stability, and has a good inhibition effect on escherichia coli and staphylococcus aureus.

The present invention discloses an automatic adhesive dispensing process for lens waterproofing, and belongs to the technical field of lens assemblies. The process includes an adhesive dispensing device and an adhesive dispensing method. The adhesive dispensing device includes an adhesive dispensing jig for placing a lens therein and an adhesive dispensing gland disposed above the adhesive dispensing jig. The adhesive dispensing jig is cylindrical. A size of the inner wall of the adhesive dispensing jig matches a size of the lens. 3 notches are formed at the upper end of the adhesive dispensing jig. The adhesive dispensing jig is annular. 3 convex angles are formed on the adhesive dispensing gland. The adhesive dispensing device matches the adhesive dispensing method of the present invention; and with special glue, operation and detection are convenient and fast, the processed product has a stable structure property, and the working efficiency and the product qualified rate are greatlyimproved.

The invention discloses a cold spraying construction method for a waterborne uncured asphalt waterproof coating. The cold spraying construction method mainly comprises the following steps of 1 base surface pretreating, 2 waterborne uncured asphalt waterproof coating spraying, 3 waterborne uncured asphalt waterproof coating surface water evaporation waiting, 4 waterproof cloth covering, 5 waterborne uncured asphalt waterproof coating spraying and 6 protecting layer covering. According to the cold spraying construction method for the waterborne uncured asphalt waterproof coating, cold spraying construction is conducted on the position needing to be constructed by adopting the waterborne uncured asphalt waterproof coating, the waterborne uncured asphalt waterproof coating-polyethylene polypropylene fiber waterproof cloth-waterborne uncured asphalt waterproof coating three-layer structure is adopted and then covered with a protecting layer, and the cold spraying construction method has theadvantages that cracking is prevented, self healing is achieved, water channeling is prevented, the waterproof system is high in strength and long in life, and the waterproof effect is good.

The invention provides a polymer cement-based waterproof coating. The polymer cement-based waterproof coating comprises a composition A and a composition B. The composition A is prepared from nonionicvinyl acetate-ethylene copolymer emulsion, nonionic emulsified asphalt and zirconium dibutyl zirconocene dichloride; the composition B is prepared from heavy calcium powder, chromic sulfide and JX-Iwaterproof agent, and the weight ratio of the composition A to the composition B is 1:(1-2.5). The invention further provides a preparing method of the polymer cement-based waterproof coating. The preparing method comprises the steps of firstly, uniformly mixing all the components of the composition A, continuously stirring the components, adding a uniform mixture of the composition B, and continuing to uniformly stir the mixture to obtain the polymer cement-based waterproof coating. After being molded and cured, the polymer cement-based waterproof coating is free of gaps, cracks or lap joint,is good in weather fastness, does not get cracked at minus 25 DEG C or deform at 100 DEG C, and has good surface hydrophobicity. Waterproof components permeating a base layer have the performance of enhancing self-waterproofing for the base layer; meanwhile, the function of self-restoring tiny fractures of the base layer is achieved.

The invention discloses a waterproofing agent with long-lasting water resistance for walls. The waterproofing agent comprises the following components, in percentages by weight: 3%-5% of stearic acid,0.1%-0.3% of sodium carbonate, 0.7%-0.9% of potassium hydroxide, 25%-27% of ferric chloride, 22%-24% of calcium chloride, 2%-4% of ammonia water and 42%-44% of water. A processing technology comprises the following steps: preparing the raw materials, melting the raw materials, performing primary mixing on the raw materials, performing secondary mixing on the raw materials, and performing sievingto obtain the finished-product filtrate. According to the waterproofing agent for the walls provided by the invention, the stearic acid is added, so that the waterproofing agent has the advantages ofgood water resistance, long waterproof service life, low process difficulty and low costs; the alkali metal compound sodium carbonate is added, the compound has a plasticizing effect, so that a water-ash ratio can be reduced, water seepage channels can be cut off and reduced, compactness of mortar can be increased, and the mortar has a waterproof property; and the ferric chloride is added, oxidized iron sheets and powder are used as main raw materials, and the ferric chloride waterproofing agent has the functions of strengthening and early strengthening, can continuously improve the compressive strength of concrete and has relatively high impermeability in the early stage.

The invention discloses an underground assembly type building waterproof structure. The structure comprises a first splicing plate and a second splicing plate; a damp-proof assembly is arranged between the first splicing plate and the second splicing plate; a supporting assembly is arranged on the inner side of the second splicing plate; and a groove is formed in the lower side of the second splicing plate. By the adoption of the structure, an engaged structure is formed by arranging a bearing block and a bearing groove which are making contact with the first splicing plate and the second splicing plate, meanwhile, a waterproof felt in the bearing groove is utilized, the waterproof performance is further improved, and the waterproof felt is good in anti-aging and anti-corrosion effect and not prone to breakage; and after butt joint is completed, sealing holes are filled with sealing waterproof glue to block gaps, the durability of the connecting structure is improved, the overall waterproof service life is prolonged, the situation that water seepage is prone to occurring due to vertical penetration is avoided, and the situation of collapse caused by water seepage of plate connection is reduced.

The invention discloses a concrete retaining wall foot waterproof treatment method. The treatment method comprises the following steps that firstly, a wall foot is cleaned, and a first rubber belt isattached; secondly, the first rubber belt is covered with a PE film; thirdly, a second rubber belt is attached to the PE film; fourthly, an iron plate is pressed on the second rubber belt; fifthly, anexpansion bolt is used for fixing; and sixthly, the edge position of the PE film is coated with waterproof glass cement. According to the concrete retaining wall foot waterproof treatment method, construction is convenient, through sequential arrangement of the first rubber belt, the PE film, the second rubber belt and the iron plate, the expansion bolt tightly presses the iron plate so as to press the upper edge of the PE film for fixing, waterproof performance is improved through the two layers of rubber belts, and when the expansion bolt is used for fixing, the deformation of the first rubber belt offsets the uneven surface between the retaining wall face and the PE film, and tight combination is achieved; and the waterproof glass cement is applied to the top end of the PE film according to the shape of the equilateral right triangle, the waterproof effect can be better, the service life is longer, and the concrete retaining wall foot waterproof treatment method is suitable for wide-range popularization and application.

The invention provides a thermal-insulation and water-proof tile slab, a thermal-insulation and water-proof tile slab composite structure and a construction method of the thermal-insulation and water-proof tile slab composite structure. By adoption of the thermal-insulation and water-proof tile slab, the thermal-insulation and water-proof tile slab composite structure and the construction method of the thermal-insulation and water-proof tile slab composite structure, the problem that sealing at joints of adjacent board bodies of a water-proof and thermal-insulation composite board and a water-proof and thermal-insulation composite board combined structure is poor is solved. Longitudinal strip-shaped notches used for being filled with polyurethane foamed adhesives are formed in the upper portions of the end faces of the two sides of a thermal-insulation layer of a slab body of the tile slab, and a boss is arranged on the lower portion of the rear end face of the thermal-insulation layer. Strip-shaped grooves of the composite structure are filled with polyurethane foamed adhesives used for sealing, and an aluminum foil water-proof layer is glued to the outer side of a groove opening of each strip-shaped groove in a sealing and covering mode. The construction method comprises the step of transverse laying and the step of longitudinal laying, so that the side edge of the aluminum foil layer is glued to the outer surface of a wavy fiber tile for sealing; a traditional construction method is simplified, the water-proof performance is reliable and lasting, the drain function is powerful, and the thermal-insulation performance is good; and the fire-proof performance is excellent, the damage resistance is high, and the water-proof and thermal-insulation effects are outstanding.

The invention discloses a multifunctional armor protective coating material and application thereof. The coating material comprises a first mixture and a second mixture, wherein the first mixture is prepared from the following components: amino-terminated polyoxypropylene ether (amino-terminated polyether), a liquid amine chain extender, a pigment, a filler and an auxiliary agent; and the second mixture is prepared from the following components: isocyanate and oligomer dihydric alcohol, or isocyanate and trihydric alcohol. The multifunctional armor protective coating material has the functions of super corrosion resistance, water resistance, explosion resistance, structure enhancement and the like, the appearance and quality are greatly improved after spraying is completed, the corrosion resistance and water resistance life is longer than 30-70 years, the internal construction connection is tighter, and the overall impact resistance of the product is greatly improved.