CN111424729A - Waterproof basement bottom plate that row combination is prevented to cavity - Google Patents

Abstract

The invention relates to the field of building waterproofing, in particular to a hollow waterproof basement bottom plate which is combined with drainage and prevention, wherein a ground layer, a clearance layer and a drainage layer are sequentially arranged on the basement bottom plate from top to bottom; a support column is arranged in the gap layer and is used for fixedly connecting the drainage layer and the ground layer; the upper surface of the ground layer is sequentially provided with a heat insulation layer, a first waterproof layer and a first anticorrosive layer from bottom to top; the periphery of the drainage layer is provided with a drainage groove which leads to a drainage pipeline; the upper surface of the drainage layer is sequentially provided with a moisture-proof layer, a second waterproof layer and a second anticorrosive layer from bottom to top; the ground layer is also provided with a plurality of drainage ports. The invention has good ventilation effect, and the drainage system can quickly dry or drain away without continuously leaking to the ground layer, thereby having good waterproof effect.

Description

Waterproof basement bottom plate that row combination is prevented to cavity

Technical Field

The invention relates to the field of building waterproofing, in particular to a hollow waterproof basement bottom plate with combined drainage and prevention.

Background

Along with the needs of city construction development, the degree of depth and the width of basement also are increasing constantly, and basement is more and more common as people's air defense, parking area, but because underground water pressure is big or waterproof engineering construction is careless, basement ground infiltration phenomenon ubiquitous, and the leak stoppage is adopted repeatedly to the conventional method to repair, and is consuming time and power, makes engineering maintenance cost high, and groundwater infiltration hidden danger exists for a long time, influences the use of basement.

Disclosure of Invention

Aiming at the problems, the invention provides a hollow waterproof basement bottom plate with combination of prevention and drainage, wherein a ground layer, a gap layer and a drainage layer are sequentially arranged on the basement bottom plate from top to bottom; a support column is arranged in the gap layer and is used for fixedly connecting the drainage layer and the ground layer; the upper surface of the ground layer is sequentially provided with a heat insulation layer, a first waterproof layer and a first anticorrosive layer from bottom to top; the periphery of the drainage layer is provided with a drainage groove which leads to a drainage pipeline; the upper surface of the drainage layer is sequentially provided with a moisture-proof layer, a second waterproof layer and a second anticorrosive layer from bottom to top; the ground layer is also provided with a plurality of drainage ports.

Preferably, the water outlet and the drainage pipeline are arranged up and down correspondingly.

Preferably, the surface of the supporting column is coated with a third corrosion prevention layer.

Preferably, the height of the gap layer is set to be 5-20 cm.

Preferably, a filter screen is arranged above the water outlet and the water drainage pipeline.

Preferably, the first waterproof layer and the second waterproof layer are both made of waterproof materials; the waterproof coating comprises the following components in parts by weight:

60-80 parts of epoxy resin, 10-20 parts of nitrile rubber powder, 1-5 parts of plasticizer, 0.5-2 parts of heat stabilizer, 1-3 parts of anti-aging agent, 3-10 parts of modified boehmite powder, 6-8 parts of calcium stearate powder, 2-6 parts of nano titanium dioxide and 10-20 parts of curing agent.

Preferably, the epoxy resin is an inhibited or multiple of bisphenol a epoxy resin, novolac epoxy resin, and hydrogenated bisphenol a epoxy resin.

Preferably, the plasticizer is one or more of dioctyl phthalate, acetyl tributyl citrate and epoxidized soybean oil.

Preferably, the heat stabilizer is one or more of oxalyl chloride monoethyl ester, diphenyl phosphite and barium stearate.

Preferably, the aging resistant agent is one or more of 4,4' -dioctyldiphenylamine, 2-mercaptobenzimidazole and N-isopropyl-N-phenyl-p-phenylenediamine.

Preferably, the modified boehmite powder is obtained by grafting and loading treated dichroine hydrochloride on boehmite.

Preferably, the modified boehmite powder is prepared by the steps of:

s1, weighing dichroine hydrochloride, adding the dichroine hydrochloride into deionized water, and stirring the mixture uniformly to obtain a dichroine hydrochloride solution; weighing diethyl malonate, adding the diethyl malonate into N, N-dimethylacetamide, and stirring uniformly to obtain a diethyl malonate solution; slowly adding the dichroine hydrochloride solution into the diethyl malonate solution, dropwise adding cumene hydroperoxide, heating to 60-80 ℃, stirring for reaction for 5-8 h, removing the solvent by rotary evaporation, washing with dichloromethane for at least 3 times, and drying to obtain a product A;

wherein the solid-to-liquid ratio of the dichroine hydrochloride to the deionized water is 1: 50-100; the mass ratio of diethyl malonate to N, N-dimethylacetamide is 1: 10-20; the mass ratio of the cumene hydroperoxide to the diethyl malonate is 1: 60-80; the volume ratio of the dichroine hydrochloride solution to the diethyl malonate solution is 1: 2-5;

s2, weighing disodium ethylene diamine tetraacetate, adding the disodium ethylene diamine tetraacetate into deionized water, and stirring until the disodium ethylene diamine tetraacetate is dissolved to obtain a disodium ethylene diamine tetraacetate solution; adding the product A into the disodium ethylene diamine tetraacetate solution, adding trimellitic anhydride, heating to 80-120 ℃, carrying out condensation reflux reaction for 8-12 h, cooling, carrying out rotary evaporation to remove the solvent, washing with dichloromethane for at least 3 times, and drying to obtain a product B;

wherein the solid-to-liquid ratio of the disodium ethylene diamine tetraacetate to the deionized water is 1: 20-50; the mass ratio of the trimellitic anhydride to the ethylene diamine tetraacetic acid is 1: 35-80; the solid-liquid ratio of the product A to the ethylene diamine tetraacetic acid disodium solution is 1: 20-30;

s3, weighing nano boehmite powder, adding the nano boehmite powder into deionized water, adding octamethylcyclotetrasiloxane, stirring uniformly, adding a product B, stirring uniformly again, placing the mixture in a reaction kettle at a temperature of 80-120 ℃, reacting for 5-10 hours, filtering to obtain a solid, washing the solid for at least 3 times by using deionized water, washing the solid for at least 3 times by using acetone, and placing the solid in an oven at a temperature of 50-60 ℃ for drying treatment to obtain modified boehmite powder;

wherein the solid-to-liquid ratio of the nano boehmite powder to the deionized water is 1: 10-30; the mass ratio of the octamethylcyclotetrasiloxane to the nano boehmite powder is 1: 20-35; the mass ratio of the product B to the nano boehmite powder is 1: 1-3.

Preferably, the first anticorrosive layer, the second anticorrosive layer and the third anticorrosive layer are all prepared from anticorrosive materials, and the anticorrosive materials comprise the following components in parts by weight:

50-65 parts of epoxy resin, 30-45 parts of phenolic resin, 10-12 parts of modified diopside, 5-12 parts of bentonite, 8-15 parts of mica iron oxide, 3-8 parts of graphene powder, 10-20 parts of a dispersing agent, 2-4 parts of a coupling agent and 10-20 parts of a curing agent.

Preferably, the modified diopside is prepared by the following steps:

s1, weighing SrCl₂Dissolving in deionized water to obtain SrCl₂A solution; to the SrCl₂Adding NH into the solution₄HCO₃Uniformly stirring particles, heating to 60-80 ℃, stirring for reaction for 1-2 h, cooling to room temperature, standing for 2-5 h, filtering to obtain a solid, washing with saturated sodium carbonate, washing with deionized water, and drying at 80-120 DEG CDrying and crushing to obtain nano SrCO₃Particles;

wherein, SrCl₂The solid-liquid ratio of the deionized water to the deionized water is 1: 10-50; NH (NH)₄HCO₃Particles and SrCl₂The mass ratio of (A) to (B) is 1: 15-20;

s2, weighing diopside powder, and adding the diopside powder into deionized water to obtain diopside suspension; adding the nano SrCO to the diopside suspension₃Adding polyvinylpyrrolidone into the particles, stirring the mixture evenly, then carrying out ultrasonic treatment for 1-2 hours, pouring the mixture into a sealed reaction kettle, reacting the mixture for 6-10 hours at the temperature of 80-100 ℃, cooling the mixture to room temperature, filtering the mixture to obtain a solid, washing the solid for at least 3 times by using deionized water, washing the solid for at least 3 times by using acetone, and drying the solid at the temperature of 50-60 ℃ to obtain modified diopside;

wherein the solid-to-liquid ratio of the diopside powder to the deionized water is 1: 50-100; nano SrCO₃The mass ratio of the particles to the diopside powder is 1: 5-10; the mass ratio of the polyvinylpyrrolidone to the diopside powder is 1: 25-35.

Preferably, the coupling agent is one or more of a silane coupling agent KH550, a silane coupling agent KH560, a silane coupling agent KH570 and a silane coupling agent KH 792.

Preferably, the dispersant is used in one or more of the types S596, S606, WS4187 and DB 50.

The invention has the beneficial effects that:

1. the invention provides a hollow drainage-prevention combined waterproof basement bottom plate, which is arranged into a ground layer, a drainage layer and a void layer by adopting the idea of 'two-prevention one-drainage combined' of firstly blocking, then draining and then blocking, wherein the drainage layer is used as the first protection, the water quantity of seeped water to the ground layer is greatly reduced even if seepage occurs due to the arrangement of the void layer, and the hollow void layer is arranged between the ground layer and the drainage layer, so that when no water seeps out, the ventilation effect is good, and the drainage system is quickly dried or drained without continuously seeping to the ground layer, and the waterproof effect is excellent.

2. The first waterproof layer and the second waterproof layer used in the invention are both made of waterproof materials, the waterproof materials are mainly made of epoxy resin and nitrile rubber, and the epoxy resin is toughened while the property of the epoxy resin is maintained. Although the epoxy resin has certain water resistance, the water resistance is still insufficient when the epoxy resin is applied to underground dark and humid places, so that modified boehmite powder is added into a waterproof material formula, boehmite has strong water resistance and water resistance, and the water resistance can be enhanced when the modified boehmite powder is added into the resin; active free radicals on the surface of the treated dichroine are enhanced and can be combined with Al-OH groups on the surface of boehmite powder, and the combined boehmite not only has enhanced activity, but also has increased specific surface area, pore volume and pore diameter, so that the combination crosslinking capacity with resin and rubber is stronger, the combination is more stable, and the water resistance and weather resistance of the waterproof material can be greatly improved after the waterproof material is prepared.

3. The first anticorrosive layer, the second anticorrosive layer and the third anticorrosive layer are all prepared from anticorrosive materials, wherein the anticorrosive materials mainly comprise epoxy resin and phenolic resin, and the combination of the phenolic resin and the epoxy resin can greatly improve the anticorrosive performance of the anticorrosive materials. In addition, in order to further increase the wear resistance of the material, modified diopside is added, which has a high hardness and can withstand a high force without being worn, but belongs to the mono-chain silicate system, [ SiO ] SiO₄]O common in tetrahedron^2-Two, this easily causes defects of dislocation of the crystal, and the present invention prepares SrCO₃The particles are modified and added into the crystal form structure defects of the diopside, so that the crystal structure of the diopside is more uniform, a plurality of complex pore structures and regular stripe lines are formed, the corrosion resistance of the diopside is greatly improved while the diopside is more stable, and the diopside is more suitable for being used in an anticorrosive coating.

Drawings

The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.

FIG. 1 is a schematic structural view of a hollow drainage-prevention combined waterproof basement floor according to the present invention;

FIG. 2 is a plan view of the ground layer of the present invention;

FIG. 3 is a top view of the drainage layer of the present invention;

FIG. 4 is a schematic cross-sectional view of a ground layer of the present invention;

FIG. 5 is a schematic cross-sectional view of a drainage layer of the present invention;

reference numerals: the floor comprises a ground layer 1, a void layer 2, a drainage layer 3, a support column 4, a drainage channel 5, a drainage pipeline 6, a drainage port 7, a heat preservation layer 11, a first waterproof layer 12, a first anticorrosive layer 13, a moisture-resistant layer 31, a second waterproof layer 32, a second anticorrosive layer 33 and a third anticorrosive layer 41.

Detailed Description

The invention is described in further detail below with reference to the figures and specific examples.

Example 1

A hollow waterproof basement bottom plate with combination of prevention and drainage is disclosed, referring to attached figures 1-5, a ground floor 1, a gap floor 2 and a drainage floor 3 are sequentially arranged on the basement bottom plate from top to bottom; a support column 4 is arranged in the gap layer 2 and is used for fixedly connecting the drainage layer 3 and the ground layer 1; the upper surface of the ground layer 1 is sequentially provided with a heat insulation layer 11, a first waterproof layer 12 and a first anticorrosive layer 13 from bottom to top; the periphery of the drainage layer 3 is provided with a drainage groove 5, and the drainage groove 5 leads to a drainage pipeline 6; the upper surface of the drainage layer 3 is sequentially provided with a moisture-proof layer 31, a second waterproof layer 32 and a second anticorrosive layer 33 from bottom to top; the ground floor 1 is also provided with a plurality of water outlets 7.

The water outlet 7 and the drainage pipeline 6 are arranged up and down correspondingly.

The surface of the supporting column 4 is coated with a third anticorrosive layer 41.

The height of the void layer 2 is set to be 5-20 cm.

And filter screens are arranged above the sewage outlet 7 and the drainage pipeline 6.

The first waterproof layer 12 and the second waterproof layer 32 are both made of waterproof materials; the waterproof coating comprises the following components in parts by weight:

70 parts of epoxy resin, 15 parts of nitrile rubber powder, 3 parts of plasticizer, 1 part of heat stabilizer, 2 parts of anti-aging agent, 6 parts of modified boehmite powder, 7 parts of calcium stearate powder, 4 parts of nano titanium dioxide and 15 parts of curing agent.

The epoxy resin is one or more of bisphenol A epoxy resin, novolac epoxy resin and hydrogenated bisphenol A epoxy resin.

The plasticizer is one or more of dioctyl phthalate, acetyl tributyl citrate and epoxidized soybean oil.

The heat stabilizer is one or more of oxalyl chloride monoethyl ester, diphenyl phosphite and barium stearate.

The aging resistant agent is one or more of 4,4' -dioctyl diphenylamine, 2-mercaptobenzimidazole and N-isopropyl-N-phenyl-p-phenylenediamine.

The modified boehmite powder is obtained by processing and grafting dichroine hydrochloride on boehmite.

The modified boehmite powder is prepared by the following steps:

s1, weighing dichroine hydrochloride, adding the dichroine hydrochloride into deionized water, and stirring the mixture uniformly to obtain a dichroine hydrochloride solution; weighing diethyl malonate, adding the diethyl malonate into N, N-dimethylacetamide, and stirring uniformly to obtain a diethyl malonate solution; slowly adding the dichroine hydrochloride solution into the diethyl malonate solution, dropwise adding cumene hydroperoxide, heating to 60-80 ℃, stirring for reaction for 5-8 h, removing the solvent by rotary evaporation, washing with dichloromethane for at least 3 times, and drying to obtain a product A;

wherein the solid-to-liquid ratio of the dichroine hydrochloride to the deionized water is 1: 50-100; the mass ratio of diethyl malonate to N, N-dimethylacetamide is 1: 10-20; the mass ratio of the cumene hydroperoxide to the diethyl malonate is 1: 60-80; the volume ratio of the dichroine hydrochloride solution to the diethyl malonate solution is 1: 2-5;

s2, weighing disodium ethylene diamine tetraacetate, adding the disodium ethylene diamine tetraacetate into deionized water, and stirring until the disodium ethylene diamine tetraacetate is dissolved to obtain a disodium ethylene diamine tetraacetate solution; adding the product A into the disodium ethylene diamine tetraacetate solution, adding trimellitic anhydride, heating to 80-120 ℃, carrying out condensation reflux reaction for 8-12 h, cooling, carrying out rotary evaporation to remove the solvent, washing with dichloromethane for at least 3 times, and drying to obtain a product B;

wherein the solid-to-liquid ratio of the disodium ethylene diamine tetraacetate to the deionized water is 1: 20-50; the mass ratio of the trimellitic anhydride to the ethylene diamine tetraacetic acid is 1: 35-80; the solid-liquid ratio of the product A to the ethylene diamine tetraacetic acid disodium solution is 1: 20-30;

s3, weighing nano boehmite powder, adding the nano boehmite powder into deionized water, adding octamethylcyclotetrasiloxane, stirring uniformly, adding a product B, stirring uniformly again, placing the mixture in a reaction kettle at a temperature of 80-120 ℃, reacting for 5-10 hours, filtering to obtain a solid, washing the solid for at least 3 times by using deionized water, washing the solid for at least 3 times by using acetone, and placing the solid in an oven at a temperature of 50-60 ℃ for drying treatment to obtain modified boehmite powder;

wherein the solid-to-liquid ratio of the nano boehmite powder to the deionized water is 1: 10-30; the mass ratio of the octamethylcyclotetrasiloxane to the nano boehmite powder is 1: 20-35; the mass ratio of the product B to the nano boehmite powder is 1: 1-3.

The first anticorrosive layer 13, the second anticorrosive layer 33 and the third anticorrosive layer 41 are all prepared from anticorrosive materials, and the anticorrosive materials comprise the following components in parts by weight:

60 parts of epoxy resin, 35 parts of phenolic resin, 11 parts of modified diopside, 8 parts of bentonite, 10 parts of mica iron oxide, 5 parts of graphene powder, 15 parts of a dispersing agent, 3 parts of a coupling agent and 15 parts of a curing agent.

The coupling agent is one or more of a silane coupling agent KH550, a silane coupling agent KH560, a silane coupling agent KH570 and a silane coupling agent KH 792.

The used type of the dispersant is one or more of S596, S606, WS4187 and DB 50.

The preparation steps of the modified diopside are as follows:

s1, weighing SrCl₂Dissolving in deionized water to obtain SrCl₂A solution; to the SrCl₂Adding NH into the solution₄HCO₃Uniformly stirring particles, heating to 60-80 ℃, stirring for reaction for 1-2 h, cooling to room temperature, standing for 2-5 h, filtering to obtain a solid, washing with saturated sodium carbonate, washing with deionized water, drying at 80-120 ℃, and crushing to obtain nano SrCO₃Particles;

wherein, SrCl₂The solid-liquid ratio of the deionized water to the deionized water is 1: 10-50; NH (NH)₄HCO₃Particles and SrCl₂The mass ratio of (A) to (B) is 1: 15-20;

s2, weighing diopside powder, and adding the diopside powder into deionized water to obtain diopside suspension; adding the nano SrCO to the diopside suspension₃Adding polyvinylpyrrolidone into the particles, stirring the mixture evenly, then carrying out ultrasonic treatment for 1-2 hours, pouring the mixture into a sealed reaction kettle, reacting the mixture for 6-10 hours at the temperature of 80-100 ℃, cooling the mixture to room temperature, filtering the mixture to obtain a solid, washing the solid for at least 3 times by using deionized water, washing the solid for at least 3 times by using acetone, and drying the solid at the temperature of 50-60 ℃ to obtain modified diopside;

wherein the solid-to-liquid ratio of the diopside powder to the deionized water is 1: 50-100; nano SrCO₃The mass ratio of the particles to the diopside powder is 1: 5-10; the mass ratio of the polyvinylpyrrolidone to the diopside powder is 1: 25-35.

Example 2

A hollow waterproof basement bottom plate with combination of prevention and drainage is disclosed, referring to attached figures 1-5, a ground floor 1, a gap floor 2 and a drainage floor 3 are sequentially arranged on the basement bottom plate from top to bottom; a support column 4 is arranged in the gap layer 2 and is used for fixedly connecting the drainage layer 3 and the ground layer 1; the upper surface of the ground layer 1 is sequentially provided with a heat insulation layer 11, a first waterproof layer 12 and a first anticorrosive layer 13 from bottom to top; the periphery of the drainage layer 3 is provided with a drainage groove 5, and the drainage groove 5 leads to a drainage pipeline 6; the upper surface of the drainage layer 3 is sequentially provided with a moisture-proof layer 31, a second waterproof layer 32 and a second anticorrosive layer 33 from bottom to top; the ground floor 1 is also provided with a plurality of water outlets 7.

The water outlet 7 and the drainage pipeline 6 are arranged up and down correspondingly.

The surface of the supporting column 4 is coated with a third anticorrosive layer 41.

The height of the void layer 2 is set to be 5-20 cm.

And filter screens are arranged above the sewage outlet 7 and the drainage pipeline 6.

The first waterproof layer 12 and the second waterproof layer 32 are both made of waterproof materials; the waterproof coating comprises the following components in parts by weight:

60 parts of epoxy resin, 10 parts of nitrile rubber powder, 1 part of plasticizer, 0.5 part of heat stabilizer, 1 part of anti-aging agent, 3 parts of modified boehmite powder, 6 parts of calcium stearate powder, 2 parts of nano titanium dioxide and 10 parts of curing agent.

The epoxy resin is one or more of bisphenol A epoxy resin, novolac epoxy resin and hydrogenated bisphenol A epoxy resin.

The plasticizer is one or more of dioctyl phthalate, acetyl tributyl citrate and epoxidized soybean oil.

The heat stabilizer is one or more of oxalyl chloride monoethyl ester, diphenyl phosphite and barium stearate.

The aging resistant agent is one or more of 4,4' -dioctyl diphenylamine, 2-mercaptobenzimidazole and N-isopropyl-N-phenyl-p-phenylenediamine.

The modified boehmite powder is obtained by processing and grafting dichroine hydrochloride on boehmite.

The modified boehmite powder is prepared by the following steps:

s1, weighing dichroine hydrochloride, adding the dichroine hydrochloride into deionized water, and stirring the mixture uniformly to obtain a dichroine hydrochloride solution; weighing diethyl malonate, adding the diethyl malonate into N, N-dimethylacetamide, and stirring uniformly to obtain a diethyl malonate solution; slowly adding the dichroine hydrochloride solution into the diethyl malonate solution, dropwise adding cumene hydroperoxide, heating to 60-80 ℃, stirring for reaction for 5-8 h, removing the solvent by rotary evaporation, washing with dichloromethane for at least 3 times, and drying to obtain a product A;

wherein the solid-to-liquid ratio of the dichroine hydrochloride to the deionized water is 1: 50-100; the mass ratio of diethyl malonate to N, N-dimethylacetamide is 1: 10-20; the mass ratio of the cumene hydroperoxide to the diethyl malonate is 1: 60-80; the volume ratio of the dichroine hydrochloride solution to the diethyl malonate solution is 1: 2-5;

s2, weighing disodium ethylene diamine tetraacetate, adding the disodium ethylene diamine tetraacetate into deionized water, and stirring until the disodium ethylene diamine tetraacetate is dissolved to obtain a disodium ethylene diamine tetraacetate solution; adding the product A into the disodium ethylene diamine tetraacetate solution, adding trimellitic anhydride, heating to 80-120 ℃, carrying out condensation reflux reaction for 8-12 h, cooling, carrying out rotary evaporation to remove the solvent, washing with dichloromethane for at least 3 times, and drying to obtain a product B;

wherein the solid-to-liquid ratio of the disodium ethylene diamine tetraacetate to the deionized water is 1: 20-50; the mass ratio of the trimellitic anhydride to the ethylene diamine tetraacetic acid is 1: 35-80; the solid-liquid ratio of the product A to the ethylene diamine tetraacetic acid disodium solution is 1: 20-30;

s3, weighing nano boehmite powder, adding the nano boehmite powder into deionized water, adding octamethylcyclotetrasiloxane, stirring uniformly, adding a product B, stirring uniformly again, placing the mixture in a reaction kettle at a temperature of 80-120 ℃, reacting for 5-10 hours, filtering to obtain a solid, washing the solid for at least 3 times by using deionized water, washing the solid for at least 3 times by using acetone, and placing the solid in an oven at a temperature of 50-60 ℃ for drying treatment to obtain modified boehmite powder;

wherein the solid-to-liquid ratio of the nano boehmite powder to the deionized water is 1: 10-30; the mass ratio of the octamethylcyclotetrasiloxane to the nano boehmite powder is 1: 20-35; the mass ratio of the product B to the nano boehmite powder is 1: 1-3.

The first anticorrosive layer 13, the second anticorrosive layer 33 and the third anticorrosive layer 41 are all prepared from anticorrosive materials, and the anticorrosive materials comprise the following components in parts by weight:

50 parts of epoxy resin, 30 parts of phenolic resin, 10 parts of modified diopside, 5 parts of bentonite, 8 parts of mica iron oxide, 3 parts of graphene powder, 10 parts of a dispersing agent, 2 parts of a coupling agent and 10 parts of a curing agent.

The coupling agent is one or more of a silane coupling agent KH550, a silane coupling agent KH560, a silane coupling agent KH570 and a silane coupling agent KH 792.

The used type of the dispersant is one or more of S596, S606, WS4187 and DB 50.

The preparation steps of the modified diopside are as follows:

s1, weighing SrCl₂Dissolving in deionized water to obtain SrCl₂A solution; to the SrCl₂Adding NH into the solution₄HCO₃Uniformly stirring particles, heating to 60-80 ℃, stirring for reaction for 1-2 h, cooling to room temperature, standing for 2-5 h, filtering to obtain a solid, washing with saturated sodium carbonate, washing with deionized water, drying at 80-120 ℃, and crushing to obtain nano SrCO₃Particles;

wherein, SrCl₂The solid-liquid ratio of the deionized water to the deionized water is 1: 10-50; NH (NH)₄HCO₃Particles and SrCl₂The mass ratio of (A) to (B) is 1: 15-20;

s2, weighing diopside powder, and adding the diopside powder into deionized water to obtain diopside suspension; adding the nano SrCO to the diopside suspension₃Adding polyvinylpyrrolidone into the particles, stirring the mixture evenly, then carrying out ultrasonic treatment for 1-2 hours, pouring the mixture into a sealed reaction kettle, reacting the mixture for 6-10 hours at the temperature of 80-100 ℃, cooling the mixture to room temperature, filtering the mixture to obtain a solid, washing the solid for at least 3 times by using deionized water, washing the solid for at least 3 times by using acetone, and drying the solid at the temperature of 50-60 ℃ to obtain modified diopside;

wherein the solid-to-liquid ratio of the diopside powder to the deionized water is 1: 50-100; nano SrCO₃The mass ratio of the particles to the diopside powder is 1: 5-10; the mass ratio of the polyvinylpyrrolidone to the diopside powder is 1: 25-35.

Example 3

A hollow waterproof basement bottom plate with combination of prevention and drainage is disclosed, referring to attached figures 1-5, a ground floor 1, a gap floor 2 and a drainage floor 3 are sequentially arranged on the basement bottom plate from top to bottom; a support column 4 is arranged in the gap layer 2 and is used for fixedly connecting the drainage layer 3 and the ground layer 1; the upper surface of the ground layer 1 is sequentially provided with a heat insulation layer 11, a first waterproof layer 12 and a first anticorrosive layer 13 from bottom to top; the periphery of the drainage layer 3 is provided with a drainage groove 5, and the drainage groove 5 leads to a drainage pipeline 6; the upper surface of the drainage layer 3 is sequentially provided with a moisture-proof layer 31, a second waterproof layer 32 and a second anticorrosive layer 33 from bottom to top; the ground floor 1 is also provided with a plurality of water outlets 7.

The water outlet 7 and the drainage pipeline 6 are arranged up and down correspondingly.

The surface of the supporting column 4 is coated with a third anticorrosive layer 41.

The height of the void layer 2 is set to be 5-20 cm.

And filter screens are arranged above the sewage outlet 7 and the drainage pipeline 6.

The first waterproof layer 12 and the second waterproof layer 32 are both made of waterproof materials; the waterproof coating comprises the following components in parts by weight:

80 parts of epoxy resin, 20 parts of nitrile rubber powder, 5 parts of plasticizer, 2 parts of heat stabilizer, 3 parts of anti-aging agent, 10 parts of modified boehmite powder, 8 parts of calcium stearate powder, 6 parts of nano titanium dioxide and 20 parts of curing agent.

The epoxy resin is one or more of bisphenol A epoxy resin, novolac epoxy resin and hydrogenated bisphenol A epoxy resin.

The plasticizer is one or more of dioctyl phthalate, acetyl tributyl citrate and epoxidized soybean oil.

The heat stabilizer is one or more of oxalyl chloride monoethyl ester, diphenyl phosphite and barium stearate.

The aging resistant agent is one or more of 4,4' -dioctyl diphenylamine, 2-mercaptobenzimidazole and N-isopropyl-N-phenyl-p-phenylenediamine.

The modified boehmite powder is obtained by processing and grafting dichroine hydrochloride on boehmite.

The modified boehmite powder is prepared by the following steps:

s1, weighing dichroine hydrochloride, adding the dichroine hydrochloride into deionized water, and stirring the mixture uniformly to obtain a dichroine hydrochloride solution; weighing diethyl malonate, adding the diethyl malonate into N, N-dimethylacetamide, and stirring uniformly to obtain a diethyl malonate solution; slowly adding the dichroine hydrochloride solution into the diethyl malonate solution, dropwise adding cumene hydroperoxide, heating to 60-80 ℃, stirring for reaction for 5-8 h, removing the solvent by rotary evaporation, washing with dichloromethane for at least 3 times, and drying to obtain a product A;

wherein the solid-to-liquid ratio of the dichroine hydrochloride to the deionized water is 1: 50-100; the mass ratio of diethyl malonate to N, N-dimethylacetamide is 1: 10-20; the mass ratio of the cumene hydroperoxide to the diethyl malonate is 1: 60-80; the volume ratio of the dichroine hydrochloride solution to the diethyl malonate solution is 1: 2-5;

s2, weighing disodium ethylene diamine tetraacetate, adding the disodium ethylene diamine tetraacetate into deionized water, and stirring until the disodium ethylene diamine tetraacetate is dissolved to obtain a disodium ethylene diamine tetraacetate solution; adding the product A into the disodium ethylene diamine tetraacetate solution, adding trimellitic anhydride, heating to 80-120 ℃, carrying out condensation reflux reaction for 8-12 h, cooling, carrying out rotary evaporation to remove the solvent, washing with dichloromethane for at least 3 times, and drying to obtain a product B;

wherein the solid-to-liquid ratio of the disodium ethylene diamine tetraacetate to the deionized water is 1: 20-50; the mass ratio of the trimellitic anhydride to the ethylene diamine tetraacetic acid is 1: 35-80; the solid-liquid ratio of the product A to the ethylene diamine tetraacetic acid disodium solution is 1: 20-30;

s3, weighing nano boehmite powder, adding the nano boehmite powder into deionized water, adding octamethylcyclotetrasiloxane, stirring uniformly, adding a product B, stirring uniformly again, placing the mixture in a reaction kettle at a temperature of 80-120 ℃, reacting for 5-10 hours, filtering to obtain a solid, washing the solid for at least 3 times by using deionized water, washing the solid for at least 3 times by using acetone, and placing the solid in an oven at a temperature of 50-60 ℃ for drying treatment to obtain modified boehmite powder;

wherein the solid-to-liquid ratio of the nano boehmite powder to the deionized water is 1: 10-30; the mass ratio of the octamethylcyclotetrasiloxane to the nano boehmite powder is 1: 20-35; the mass ratio of the product B to the nano boehmite powder is 1: 1-3.

The first anticorrosive layer 13, the second anticorrosive layer 33 and the third anticorrosive layer 41 are all prepared from anticorrosive materials, and the anticorrosive materials comprise the following components in parts by weight:

65 parts of epoxy resin, 45 parts of phenolic resin, 12 parts of modified diopside, 12 parts of bentonite, 15 parts of mica iron oxide, 8 parts of graphene powder, 20 parts of a dispersing agent, 4 parts of a coupling agent and 20 parts of a curing agent.

The coupling agent is one or more of a silane coupling agent KH550, a silane coupling agent KH560, a silane coupling agent KH570 and a silane coupling agent KH 792.

The used type of the dispersant is one or more of S596, S606, WS4187 and DB 50.

The preparation steps of the modified diopside are as follows:

s1, weighing SrCl₂Dissolving in deionized water to obtain SrCl₂A solution; to the SrCl₂Adding NH into the solution₄HCO₃Uniformly stirring particles, heating to 60-80 ℃, stirring for reaction for 1-2 h, cooling to room temperature, standing for 2-5 h, filtering to obtain a solid, washing with saturated sodium carbonate, washing with deionized water, drying at 80-120 ℃, and crushing to obtain nano SrCO₃Particles;

wherein, SrCl₂The solid-liquid ratio of the deionized water to the deionized water is 1: 10-50; NH (NH)₄HCO₃Particles and SrCl₂The mass ratio of (A) to (B) is 1: 15-20;

s2, weighing diopside powder, and adding the diopside powder into deionized water to obtain diopside suspension; adding the nano SrCO to the diopside suspension₃Adding polyvinylpyrrolidone into the particles, stirring the mixture evenly, then carrying out ultrasonic treatment for 1-2 hours, pouring the mixture into a sealed reaction kettle, reacting the mixture for 6-10 hours at the temperature of 80-100 ℃, cooling the mixture to room temperature, filtering the mixture to obtain a solid, washing the solid for at least 3 times by using deionized water, washing the solid for at least 3 times by using acetone, and drying the solid at the temperature of 50-60 ℃ to obtain modified diopside;

wherein the solid-to-liquid ratio of the diopside powder to the deionized water is 1: 50-100; nano SrCO₃The mass ratio of the particles to the diopside powder is 1: 5-10; of polyvinylpyrrolidone with diopside powderThe mass ratio is 1: 25-35.

Comparative example

A hollow waterproof basement bottom plate with combination of prevention and drainage is disclosed, referring to attached figures 1-5, a ground floor 1, a gap floor 2 and a drainage floor 3 are sequentially arranged on the basement bottom plate from top to bottom; a support column 4 is arranged in the gap layer 2 and is used for fixedly connecting the drainage layer 3 and the ground layer 1; the upper surface of the ground layer 1 is sequentially provided with a heat insulation layer 11, a first waterproof layer 12 and a first anticorrosive layer 13 from bottom to top; the periphery of the drainage layer 3 is provided with a drainage groove 5, and the drainage groove 5 leads to a drainage pipeline 6; the upper surface of the drainage layer 3 is sequentially provided with a moisture-proof layer 31, a second waterproof layer 32 and a second anticorrosive layer 33 from bottom to top; the ground floor 1 is also provided with a plurality of water outlets 7.

The water outlet 7 and the drainage pipeline 6 are arranged up and down correspondingly.

The surface of the supporting column 4 is coated with a third anticorrosive layer 41.

The height of the void layer 2 is set to be 5-20 cm.

And filter screens are arranged above the sewage outlet 7 and the drainage pipeline 6.

The first waterproof layer 12 and the second waterproof layer 32 are both made of waterproof materials; the waterproof coating comprises the following components in parts by weight:

70 parts of epoxy resin, 15 parts of nitrile rubber powder, 3 parts of plasticizer, 1 part of heat stabilizer, 2 parts of anti-aging agent, 7 parts of calcium stearate powder, 4 parts of nano titanium dioxide and 15 parts of curing agent.

The epoxy resin is one or more of bisphenol A epoxy resin, novolac epoxy resin and hydrogenated bisphenol A epoxy resin.

The plasticizer is one or more of dioctyl phthalate, acetyl tributyl citrate and epoxidized soybean oil.

The heat stabilizer is one or more of oxalyl chloride monoethyl ester, diphenyl phosphite and barium stearate.

The aging resistant agent is one or more of 4,4' -dioctyl diphenylamine, 2-mercaptobenzimidazole and N-isopropyl-N-phenyl-p-phenylenediamine.

The first anticorrosive layer 13, the second anticorrosive layer 33 and the third anticorrosive layer 41 are all prepared from anticorrosive materials, and the anticorrosive materials comprise the following components in parts by weight:

60 parts of epoxy resin, 35 parts of phenolic resin, 8 parts of bentonite, 10 parts of mica iron oxide, 5 parts of graphene powder, 15 parts of a dispersing agent, 3 parts of a coupling agent and 15 parts of a curing agent.

The coupling agent is one or more of a silane coupling agent KH550, a silane coupling agent KH560, a silane coupling agent KH570 and a silane coupling agent KH 792.

The used type of the dispersant is one or more of S596, S606, WS4187 and DB 50.

In order to more clearly illustrate the invention, the basement floors prepared in the embodiments 1 to 3 and the comparative example of the invention were subjected to corrosion resistance and water resistance tests, wherein the tests were all performed at room temperature 3 days after the construction of the basement floor was completed, and the results are shown in table 1:

table 1 basement floor performance testing

As can be seen from table 1, the basement floors prepared in examples 1 to 3 of the present invention are excellent in both corrosion resistance and water resistance, and suitable for use in a large area, compared to the comparative examples.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. A hollow waterproof basement bottom plate with combination of prevention and drainage is characterized in that a ground layer, a gap layer and a drainage layer are sequentially arranged on the basement bottom plate from top to bottom; a support column is arranged in the gap layer and is used for fixedly connecting the drainage layer and the ground layer; the upper surface of the ground layer is sequentially provided with a heat insulation layer, a first waterproof layer and a first anticorrosive layer from bottom to top; the periphery of the drainage layer is provided with a drainage groove which leads to a drainage pipeline; the upper surface of the drainage layer is sequentially provided with a moisture-proof layer, a second waterproof layer and a second anticorrosive layer from bottom to top; the ground layer is also provided with a plurality of drainage ports.

2. The hollow drainage-prevention combined waterproof basement bottom plate according to claim 1, wherein the drainage port and the drainage pipeline are arranged in an up-down corresponding manner; and a filter screen is arranged above the sewage outlet and the drainage pipeline.

3. The hollow drainage-proof combined waterproof basement floor according to claim 1, characterized in that the surface of the supporting columns is coated with a third corrosion-proof layer.

4. The hollow waterproof basement bottom plate with the combination of the drainage prevention and the drainage prevention of the claim 1, wherein the height of the gap layer is set to be 5-20 cm.

5. The hollow drainage-prevention combined waterproof basement floor according to claim 1, wherein the first waterproof layer and the second waterproof layer are both made of waterproof materials; the waterproof coating comprises the following components in parts by weight:

60-80 parts of epoxy resin, 10-20 parts of nitrile rubber powder, 1-5 parts of plasticizer, 0.5-2 parts of heat stabilizer, 1-3 parts of anti-aging agent, 3-10 parts of modified boehmite powder, 6-8 parts of calcium stearate powder, 2-6 parts of nano titanium dioxide and 10-20 parts of curing agent.

6. The hollow drainage-resistant combined waterproof basement floor according to claim 5, wherein said epoxy resin is one or more of bisphenol A epoxy resin, novolac epoxy resin and hydrogenated bisphenol A epoxy resin.

7. The hollow drainage-proof combined waterproof basement floor according to claim 5, characterized in that the plasticizer is one or more of dioctyl phthalate, acetyl tributyl citrate and epoxidized soybean oil.

8. The hollow, drainage-proof, combined and waterproof basement floor according to claim 5, wherein said heat stabilizer is one or more of oxalyl chloride monoethyl ester, diphenyl phosphite and barium stearate.

9. The hollow drainage-resistant combined waterproof basement floor according to claim 5, wherein the aging-resistant agent is one or more of 4,4' -dioctyldiphenylamine, 2-mercaptobenzimidazole and N-isopropyl-N-phenyl-p-phenylenediamine.

10. The hollow drainage-prevention combined waterproof basement bottom plate according to claim 5, wherein the modified boehmite powder is obtained by processing halofuginine hydrochloride and grafting and loading the halofuginine hydrochloride on boehmite, and the modified boehmite powder is prepared by the following steps:

s1, weighing dichroine hydrochloride, adding the dichroine hydrochloride into deionized water, and stirring the mixture uniformly to obtain a dichroine hydrochloride solution; weighing diethyl malonate, adding the diethyl malonate into N, N-dimethylacetamide, and stirring uniformly to obtain a diethyl malonate solution; slowly adding the dichroine hydrochloride solution into the diethyl malonate solution, dropwise adding cumene hydroperoxide, heating to 60-80 ℃, stirring for reaction for 5-8 h, removing the solvent by rotary evaporation, washing with dichloromethane for at least 3 times, and drying to obtain a product A;

wherein the solid-to-liquid ratio of the dichroine hydrochloride to the deionized water is 1: 50-100; the mass ratio of diethyl malonate to N, N-dimethylacetamide is 1: 10-20; the mass ratio of the cumene hydroperoxide to the diethyl malonate is 1: 60-80; the volume ratio of the dichroine hydrochloride solution to the diethyl malonate solution is 1: 2-5;

s2, weighing disodium ethylene diamine tetraacetate, adding the disodium ethylene diamine tetraacetate into deionized water, and stirring until the disodium ethylene diamine tetraacetate is dissolved to obtain a disodium ethylene diamine tetraacetate solution; adding the product A into the disodium ethylene diamine tetraacetate solution, adding trimellitic anhydride, heating to 80-120 ℃, carrying out condensation reflux reaction for 8-12 h, cooling, carrying out rotary evaporation to remove the solvent, washing with dichloromethane for at least 3 times, and drying to obtain a product B;

wherein the solid-to-liquid ratio of the disodium ethylene diamine tetraacetate to the deionized water is 1: 20-50; the mass ratio of the trimellitic anhydride to the ethylene diamine tetraacetic acid is 1: 35-80; the solid-liquid ratio of the product A to the ethylene diamine tetraacetic acid disodium solution is 1: 20-30;

s3, weighing nano boehmite powder, adding the nano boehmite powder into deionized water, adding octamethylcyclotetrasiloxane, stirring uniformly, adding a product B, stirring uniformly again, placing the mixture in a reaction kettle at a temperature of 80-120 ℃, reacting for 5-10 hours, filtering to obtain a solid, washing the solid for at least 3 times by using deionized water, washing the solid for at least 3 times by using acetone, and placing the solid in an oven at a temperature of 50-60 ℃ for drying treatment to obtain modified boehmite powder;

wherein the solid-to-liquid ratio of the nano boehmite powder to the deionized water is 1: 10-30; the mass ratio of the octamethylcyclotetrasiloxane to the nano boehmite powder is 1: 20-35; the mass ratio of the product B to the nano boehmite powder is 1: 1-3.

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