CN114574018B - Silane modified waterproof coating non-exposed roof waterproof construction method - Google Patents

Silane modified waterproof coating non-exposed roof waterproof construction method Download PDF

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CN114574018B
CN114574018B CN202111596102.0A CN202111596102A CN114574018B CN 114574018 B CN114574018 B CN 114574018B CN 202111596102 A CN202111596102 A CN 202111596102A CN 114574018 B CN114574018 B CN 114574018B
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waterproof
silane modified
layer
parts
coating
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CN114574018A (en
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廖丽
黄鹭鹭
赵振兴
薛文军
李小亮
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Shanghai Sankeshu Waterproof Technology Co ltd
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Shanghai Sankeshu Waterproof Technology Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D201/00—Coating compositions based on unspecified macromolecular compounds
    • C09D201/02—Coating compositions based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D15/00—Apparatus or tools for roof working
    • E04D15/07—Apparatus or tools for roof working for handling roofing or sealing material in bulk form
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/254—Roof garden systems; Roof coverings with high solar reflectance

Abstract

The invention relates to a silane modified waterproof coating non-exposed roof waterproof construction method, which comprises the following steps of base layer treatment; coating a base layer treating agent on the surface of a base layer; constructing an additional waterproof layer on the foundation details; when large-surface coating is carried out, a plastic scraper is selected to alternately, vertically and uniformly scrape and coat the silane modified resin waterproof coating for 2-3 times; closing the head and sealing the edge; and constructing an isolation protection layer. The silane modified waterproof coating provided by the invention is simple and easy to operate in the non-exposed roof waterproof construction method, the prepared waterproof layer has good wettability with the non-exposed roof base surface, can effectively permeate into the base surface, and has excellent weather resistance, waterproofness, bonding durability and high bonding strength.

Description

Silane modified waterproof coating non-exposed roof waterproof construction method
Technical Field
The invention relates to the field of building waterproof construction, in particular to a silane modified waterproof coating non-exposed roof waterproof construction method.
Background
The problem of building infiltration is the more general quality common fault of building, and the user can appear the building of non-exposure environment such as kitchen, balcony, kitchen, parking area, ceiling after using a period often, appear infiltration, leak, phenomenon such as the interior wall whitewash layer large tracts of land is peeled off, still can take place to milden and rot at the wall, influences the healthy of resident family, damages indoor equipment, furniture, electrical equipment etc..
At present, the waterproof treatment of the non-exposed roof in China is mainly used for enhancing the waterproof capability, being affected by erosive media and the like, and is to paint a waterproof layer, such as a cement mortar waterproof layer, a coiled material waterproof layer, a coating waterproof layer, a metal waterproof layer and the like, on the non-exposed roof, and before the waterproof layer is painted, a base layer is pretreated by a base layer treating agent so as to improve the bonding effect of the base layer and the waterproof coating or the coiled material and the like.
Before the present waterproof coating is applied to non-exposed roof construction, a base layer treating agent is generally adopted to wet the roof so as to increase the permeability of the waterproof coating, but the actual effect is not ideal. The components and the performances of a plurality of different types of building waterproof coatings on the market are different, and the components and the performances of the building waterproof coatings are also different from those of a base layer and a base layer treating agent. Most enterprises in the market can prepare specific base layer treating agents aiming at base layers in different application environments and waterproof coatings with different components so as to improve the wettability and the bonding effect between the base layers and the waterproof coatings and prolong the service life of buildings.
The existing polyurethane waterproof coating is developed for decades, the product types are rich, and a coating film has the characteristics of high tensile strength, good extensibility, strong binding power, continuous, flexible and seamless waterproof layers, small volume shrinkage, strong adaptability to base layer crack expansion deformation, good water resistance, wear resistance, corrosion resistance, low temperature resistance and the like, and plays an important role in building waterproof coatings. However, the silane modified waterproof coating can be yellowed and aged in high and low temperature and long-term humid environments, is poor in weather resistance, cannot effectively prevent water and permeation for a long time, and is easy to strip from a substrate, so that the application of the coating in a room is greatly limited. In addition, with the rapid development of novel waterproof products and engineering application technologies thereof, silane modified polymer resin is gradually applied to the waterproof field, so that the novel waterproof coating becomes a novel waterproof coating, has excellent environmental protection property, low VOC and good bonding property to a base material, but is not ideal in strength, elongation and wettability with a matrix, is limited in application and cannot meet multiple requirements.
Disclosure of Invention
Technical problem to be solved
In order to solve the problems in the prior art, the invention provides a silane modified waterproof coating non-exposed roof waterproof construction method, which is simple and easy to operate, the prepared waterproof layer has good wettability with a non-exposed roof base surface, can effectively permeate into the base surface, and has excellent weather resistance, waterproofness, bonding durability and high bonding strength.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
a silane modified waterproof coating non-exposed roof waterproof construction method comprises the following steps:
step 1), base layer treatment: removing sharp concave-convex, oil stain, cracks and grooves on the surface of the base layer, and ensuring that the surface of the base layer is smooth, firm, clean and free of open water;
step 2), base layer surface pretreatment: coating a base layer treating agent on the surface of the base layer to seal pores of the base layer;
step 3), construction of a detailed additional waterproof layer: the construction of an additional waterproof layer is firstly carried out on the foundation details such as internal and external corners, pipe roots and deformation joints, namely, silane modified resin waterproof paint is coated for 2-4 times, so that the thickness of the additional waterproof layer is more than or equal to 1mm;
step 4), large-surface coating waterproof layer construction: when the base layer treating agent in the step 2) is fully cured until the finger touch is basically non-stick, selecting a silane modified resin waterproof coating with plastic scrapers which are crossed, vertical and uniformly coated for 2-3 times;
step 5), head closing and edge sealing: sealing the waterproof connecting part or edge of the foundation detail part and the large surface part by coating silane modified resin waterproof paint to form a waterproof layer;
step 6), construction of an isolation protection layer: after the waterproof layer is finished and qualified through quality inspection, constructing an isolation layer and a protective layer respectively; firstly, coating two layers of mutually vertical high polymer modified asphalt waterproof coating films on a waterproof layer, wherein the thickness of each layer is 1.5-2mm, and the joint between the coating layers is 50-100mm to form an isolation layer, and then paving a cement mortar protective layer or a block surface layer protective layer on the isolation layer.
Further, in the step 3), a layer of polyester non-woven fabric is additionally laid at the deformation joint part of the basic detail, and then the silane modified resin waterproof coating is coated to form an additional waterproof layer air-laid structure.
Further, in the step 4), after the silane modified resin waterproof paint is coated for one time, the silane modified resin waterproof paint is coated for the second time at an interval of 2-5 hours.
Further, the base layer treating agent in the step 2) is prepared from the following raw materials in parts by weight: 25-45 parts of styrene-acrylic emulsion, 5-8 parts of lauramidopropyl betaine, 20010-20 parts of polyethylene glycol (PEG) -20010, 3-5 parts of castor oil polyglycidyl ether and 90-150 parts of water.
Further, the silane modified resin waterproof coating is prepared from the following raw materials in parts by weight: 30-50 parts of silane modified polymer resin, 3-5 parts of active diluent, 10-15 parts of silane modified aliphatic epoxy resin, 2-3 parts of penetrating agent, 15-25 parts of polyether alcohol, 40-60 parts of carbon black, 1-2 parts of SH-6030 coupling agent, 0.3-0.4 part of dibutyltin dilaurate catalyst and 1-2 parts of ultraviolet absorbent UV-9;
the silane modified resin waterproof coating is prepared by the following steps:
p1, weighing the required raw material components in parts by weight;
p2, adding polyether alcohol and carbon black into a container, stirring for 2-3 hours at the temperature of 110-120 ℃ and the vacuum degree of-0.08 MPa to-0.09 MPa, then cooling to 40 ℃ and relieving vacuum;
p3, then adding the silane modified polymer resin, the reactive diluent and the silane modified aliphatic epoxy resin, and continuously stirring and mixing for 20-30 min at normal temperature and normal pressure;
and P4, then adding an SH-6030 coupling agent, an ultraviolet absorbent UV-9, a penetrating agent and a dibutyltin dilaurate catalyst, dispersing and mixing for 20-30 min, stirring for 5-10 min under the vacuum degree of-0.08 MPa to-0.09 MPa, and finally releasing the vacuum to obtain the silane modified resin waterproof coating.
Further, the silane modified aliphatic epoxy resin is prepared by the following steps:
s1, adding methanol and tetrafluoroboric acid into a reaction kettle, heating to 50-60 ℃, then slowly adding aliphatic epoxy resin, reacting for 45-60 min, then adding epoxypropane polyether and boron trifluoride diethyl etherate serving as a catalyst, reacting for 2-3 h at 70-80 ℃, adjusting the pH value to be neutral by using 35% sodium hydroxide solution, and cooling to room temperature to obtain an aliphatic epoxy resin prepolymer;
s2, adding methyldimethoxysilane into the aliphatic epoxy resin prepolymer, adding an acetone solvent, reacting at the constant temperature of 50-60 ℃ for 3-5h, naturally cooling to room temperature, and vacuumizing for 10min at the same time to obtain silane modified aliphatic epoxy resin;
the mass ratio of the aliphatic epoxy resin to the methanol is 1:9, the mass ratio of the aliphatic epoxy resin to the tetrafluoroboric acid is 1:0.007, the mass ratio of the aliphatic epoxy resin to the propylene oxide polyether is 1:0.3, wherein the mass ratio of the aliphatic epoxy resin to the boron trifluoride diethyl etherate serving as the catalyst is 1:0.01, wherein the mass ratio of the aliphatic epoxy resin to the methyldimethoxysilane is 1:0.3, wherein the mass ratio of the aliphatic epoxy resin to the acetone solvent is 1:2.
further, the reactive diluent is a compound of alkylene glycidyl ether and trimethylolpropane triglycidyl ether, and the mass ratio of the compound to the reactive diluent is 3:1.
further, the penetrating agent is a compound of a rapid penetrating agent T and lecithin, and the mass ratio of the quick penetrating agent T to the lecithin is 1:1.
(III) advantageous effects
The invention has the beneficial effects that: 1. the invention adopts the specific base layer treating agent to pretreat the non-exposed roof, increases the permeability of the non-exposed roof, improves the interface bonding force between the non-exposed roof and the silane modified resin waterproof coating, and further increases the bonding effect between the waterproof coating and the non-exposed roof.
2. The base layer treating agent is prepared by mixing styrene-acrylic emulsion, lauramidopropyl betaine, PEG-200 and castor oil polyglycidyl ether. In the base layer treating agent, the PEG-200 is added, so that the components can be mixed and dissolved with water in any proportion, can be uniformly dispersed in the water, cannot generate agglomeration, has good interface binding force with the silane modified resin waterproof coating, and increases the binding force between a substrate and the waterproof coating (the silane modified resin waterproof coating in the invention); the addition of the lauramidopropyl betaine increases the wettability of the base layer treating agent to a non-exposed roof (roof for short), is beneficial to the components of the base layer treating agent to permeate into the roof, thereby improving the binding force between the roof and the waterproof coating, and can also generate a synergistic effect with a penetrant in the waterproof coating to ensure that the base layer treating agent and the waterproof coating are mutually permeated, thereby further improving the interaction force between a substrate and the waterproof coating, ensuring that the binding force between the substrate and the waterproof coating is stronger, and further ensuring that the waterproof layer has better binding strength and binding durability; the addition of the castor oil triglycidyl ether improves the wettability between the castor oil triglycidyl ether and the waterproof coating due to good compatibility with epoxy groups in the waterproof coating, improves the binding power of the waterproof coating contacted with the castor oil triglycidyl ether, enables the waterproof coating to have better impact resistance, and can further reduce the curing time of the waterproof coating, thereby shortening the waterproof construction time of a roof, reducing the cost and improving the construction efficiency. The components in the base layer treating agent cannot generate conflict effect and can generate mutual synergistic effect, so that the wetting and penetrating effects of the base layer treating agent cannot be reduced, the permeability of the base layer treating agent can be further enhanced, the interface binding force of a substrate and a waterproof coating is improved, and the substrate and the waterproof coating have stronger bonding strength and better bonding durability.
3. The silane modified resin waterproof coating is added with silane modified aliphatic epoxy resin, and the silane modified resin waterproof coating is prepared by ring opening of the aliphatic epoxy resin in a catalyst of tetrafluoroboric acid and a solvent of methanol, then reacting with epoxypropane polyether to prepare aliphatic epoxy resin prepolymer containing ether bonds, and then modifying by organosilane. The aliphatic epoxy resin and the silane modified polymer resin introduced into the waterproof coating are mixed for use, so that the viscosity of the waterproof coating is reduced, the flexibility of the waterproof layer is improved, and the bonding strength between the coating and the substrate is improved; according to the invention, the propylene oxide polyether chain segment is introduced into the chain segment of the aliphatic epoxy resin, so that the crystallization behavior and structural order of the main chain of the aliphatic epoxy resin are damaged, and the hardness of the material is relatively reduced, thereby improving the toughness of the waterproof coating; the methyldimethoxysilane is a chain structure formed by connecting Si-O bonds, silicon atoms are mainly connected with methyl, a small amount of unsaturated groups are introduced into a side chain, the intermolecular force is small, molecules are in a spiral structure, and the methyl is arranged outwards and can rotate freely, so that a siloxane product has better heat resistance, weather resistance, electric insulation, chemical stability and the like, and therefore, the methyldimethoxysilane is introduced into an aliphatic epoxy resin structure, the weather resistance of the silane modified aliphatic epoxy resin is greatly improved, and the weather resistance of the waterproof layer is further improved.
4. The silane modified resin waterproof coating improves the strength, toughness and weather resistance of the silane modified resin waterproof coating by adding the alkane modified aliphatic epoxy resin, improves the activity among all components by adding the active diluent, increases the permeability to a substrate by adding the penetrating agent, and has excellent tensile strength, elongation at break and low-temperature flexibility by the interaction among all components through adding the auxiliary agents such as the plasticizer, the powder filler, the coupling agent, the catalyst and the like, so that the waterproof coating has good adhesion with a base layer, excellent stripping resistance, slip resistance and good sagging resistance.
5. The penetrant added into the silane modified resin waterproof coating can permeate the surface of the substrate through the base layer treating agent to permeate the substrate to the inside, form a new crystallization product in the substrate to fill the pores of the substrate structure so as to improve the pore size distribution and reduce the porosity, so that water or other harmful substances are prevented from permeating the substrate, the durable waterproof effect is further enhanced, the occurrence of degradation phenomena such as freeze-thaw damage, corrosion and the like of the substrate structure is effectively inhibited, and the waterproofness and the weather resistance of the substrate material are improved.
6. The invention is convenient for subsequent laying by flattening the roof, and the roof is wetted and primed to increase the permeability and the caking property with the silane modified resin waterproof coating; the waterproof layer of the foundation details can be stably fixed with the foundation details, rainwater leakage is prevented, leakage of joints of the waterproof layer and the foundation details is avoided, the waterproof performance of the roof is further integrally improved, and the problem that the waterproof performance of the non-exposed roof foundation details is poor in the prior art is solved; the base layer treating agent and the waterproof coating have good permeability and cohesiveness, so that the waterproof layer and the roof have excellent cohesive strength and cohesiveness under the mutual synergistic action, and the roof is ensured to have better waterproofness. The waterproof layer prepared by the construction method has no construction bubbles with a roof, is firm in bonding, is not easy to bulge and warp, has excellent weather resistance, waterproofness and ageing resistance, and is long in service life.
7. The construction method is simple, short in construction period, high in construction efficiency and low in construction cost.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention by way of specific embodiments thereof.
A silane modified waterproof coating non-exposed roof waterproof construction method comprises the following steps:
step 1) base layer treatment:
a. the non-exposed roof base layer surface has no defects of laitance, cavities, holes, cracks, base layer deformation joints, grooves reserved at pipe roots and the like, if yes, sealing materials are required to be embedded, and then detailed waterproof layer adding construction is carried out.
b. The surface of the base layer does not have sharp concave-convex, oil stain, honeycomb, pitted surface, peeling and the like which are not required to be generated in the design of the base layer, thereby ensuring that the surface of the base layer is smooth, firm, clean and free of open water.
Step 2) base layer surface pretreatment: coating a base layer treating agent on the surface of the base layer to increase the permeability of the base layer; the roof is wetted and primed, so that the permeability of the roof is increased; and the pores of the roof base layer can be sealed.
Step 3) construction of detailed additional waterproof layers: the construction of an additional waterproof layer is firstly carried out on the foundation details such as the internal and external corners, the pipe root part, the deformation joint and the like, namely, the silane modified resin waterproof coating is coated for 2-4 times, so that the thickness of the additional waterproof layer is more than or equal to 1mm. When the tyre body reinforcing material needs to be laid, the tyre body reinforcing material is soaked by the silane modified resin waterproof coating; a layer of polyester non-woven fabric is additionally laid at the deformation joint part of the foundation detail part, and then silane modified resin waterproof paint is coated to form an additional waterproof layer air-laid structure.
Step 4), large-surface coating waterproof layer construction: and (3) when the base layer treating agent in the step 2) is fully cured until the finger touch is basically non-stick, selecting a plastic scraper blade to cross, vertically and uniformly scrape and coating the silane modified resin waterproof coating for 2-3 times. After the first time of coating the silane modified resin waterproof coating, the coating is fully cured until the touch is basically not sticky, and then the second time of coating is carried out, wherein the interval time is 2-5h, the first time of coating is vertical to the second time of coating, and if the carcass reinforcing material needs to be laid, the coating is carried out again, and the reinforcing material is laid again. If 3 passes are to be made, the third pass is made to reverse direction perpendicular to the second pass for a period of 2-5 hours, based on the second pass being sufficiently cured that the finger touch is substantially tack free.
Step 5), head collection and edge sealing: and (3) sealing the waterproof connecting part or edge of the basic detail part and the large-surface part by coating the silane modified resin waterproof coating once or twice to form a waterproof layer.
Step 6) construction of an isolation protection layer: after the waterproof layer is finished and qualified through quality inspection, constructing an isolation layer and a protective layer respectively; firstly, coating two layers of mutually vertical high polymer modified asphalt waterproof coating films on a waterproof layer, wherein the thickness of each layer is 1.5-2mm, and the joint between the coating layers is 50-100mm to form an isolation layer, and then paving a cement mortar protective layer or a block surface layer protective layer on the isolation layer.
It is worth noting that the invention is constructedIn the process, the usage amount of the silane modified resin waterproof coating is 1.6-1.9kg/m per millimeter of thick coating (namely coating formed after the silane modified resin waterproof coating is coated) 3 。
Further, in the step 3), a layer of polyester non-woven fabric is additionally laid at the deformation joint part of the basic details, and then silane modified resin waterproof paint is coated to form an additional waterproof layer empty laying structure.
Further, in the step 4), after the silane modified resin waterproof paint is coated for one time, the silane modified resin waterproof paint is coated for the second time at an interval of 2-5 hours.
Further, the base layer treating agent in the step 2) is prepared from the following raw materials in parts by weight: 25-45 parts of styrene-acrylic emulsion, 5-8 parts of lauramidopropyl betaine, 20010-20 parts of polyethylene glycol (PEG), 3-5 parts of castor oil polyglycidyl ether and 90-150 parts of water.
Further, the silane modified resin waterproof coating is prepared from the following raw materials in parts by weight: 30-50 parts of silane modified polymer resin, 3-5 parts of active diluent, 10-15 parts of silane modified aliphatic epoxy resin, 2-3 parts of penetrating agent, 15-25 parts of polyether alcohol, 40-60 parts of carbon black, 1-2 parts of SH-6030 coupling agent, 0.3-0.4 part of dibutyltin dilaurate catalyst and 1-2 parts of ultraviolet absorbent UV-9;
the silane modified resin waterproof coating is prepared by the following steps:
p1, weighing the required raw material components in parts by weight;
p2, adding polyether alcohol and carbon black into a container, stirring for 2-3 h at the temperature of 110-120 ℃ and the vacuum degree of-0.08 MPa-0.09 MPa, then cooling to 40 ℃ and relieving vacuum;
p3, then adding the silane modified polymer resin, the reactive diluent and the silane modified aliphatic epoxy resin, and continuously stirring and mixing for 20-30 min at normal temperature and normal pressure;
and P4, then adding an SH-6030 coupling agent, an ultraviolet absorbent UV-9, a penetrating agent and a dibutyltin dilaurate catalyst, dispersing and mixing for 20-30 min, stirring for 5-10 min under the vacuum degree of-0.08 MPa to-0.09 MPa, and finally relieving the vacuum to obtain the silane modified resin waterproof coating.
Further, the silane modified aliphatic epoxy resin is prepared by the following steps:
s1, adding methanol and tetrafluoroboric acid into a reaction kettle, heating to 50-60 ℃, then slowly adding aliphatic epoxy resin, reacting for 45-60 min, then adding epoxypropane polyether and boron trifluoride diethyl etherate serving as a catalyst, reacting for 2-3 h at 70-80 ℃, adjusting the pH value to be neutral by using 35% sodium hydroxide solution, and cooling to room temperature to obtain an aliphatic epoxy resin prepolymer;
s2, adding methyldimethoxysilane into the aliphatic epoxy resin prepolymer, adding an acetone solvent, reacting at a constant temperature of 50-60 ℃ for 3-5h, naturally cooling to room temperature, and vacuumizing for 10min at the same time to obtain silane modified aliphatic epoxy resin;
the mass ratio of the aliphatic epoxy resin to the methanol is 1:9, the mass ratio of the aliphatic epoxy resin to the tetrafluoroboric acid is 1:0.007, the mass ratio of the aliphatic epoxy resin to the propylene oxide polyether is 1:0.3, wherein the mass ratio of the aliphatic epoxy resin to the catalyst boron trifluoride diethyl etherate is 1:0.01, wherein the mass ratio of the aliphatic epoxy resin to the methyldimethoxysilane is 1:0.3, wherein the mass ratio of the aliphatic epoxy resin to the acetone solvent is 1:2.
further, the reactive diluent is a compound of alkylene glycidyl ether and trimethylolpropane triglycidyl ether, and the mass ratio of the compound to the reactive diluent is 3:1.
further, the penetrating agent is a compound of a rapid penetrating agent T and lecithin, and the mass ratio of the quick penetrating agent T to the lecithin is 1:1.
example 1
A construction method of a silane modified waterproof coating non-exposed roof waterproof layer comprises the following steps:
step 1) base layer treatment: removing sharp concave-convex, oil stain, cracks and grooves on the surface of the base layer to ensure that the surface of the base layer is flat, firm, clean and free of open water;
step 2) base layer surface pretreatment: coating a base layer treating agent on the surface of a base layer;
step 3) construction of detailed additional waterproof layers: the foundation details such as internal and external corners, pipe root and deformation joint are subjected to additional waterproof layer construction, namely 2 times of coating with the silane modified resin waterproof coating, and the thickness of a coating film (referred to as a coating film for short) of each layer of the silane modified resin waterproof coating is 1mm.
Step 4), large-surface coating waterproof layer construction: when the base layer treating agent in the step 2) is fully cured until the finger touch is basically not sticky, selecting a silane modified resin waterproof coating with plastic scrapers which are crossed, vertical and uniformly coated for 2 times, wherein the thickness of each coating is 1mm.
Step 5), head collection and edge sealing: and (3) sealing the waterproof connecting part or edge of the thin part and the large surface part of the foundation by coating 1 time of silane modified resin waterproof coating with the thickness of 1mm to form a waterproof layer.
The preparation method of the base layer treating agent comprises the following steps: and (2) uniformly mixing 25 parts of styrene-acrylic emulsion and 10 parts of PEG-200, then sequentially adding 5 parts of lauramidopropyl betaine and 3 parts of castor oil triglycidyl ether, stirring for 5min, finally adding 90 parts of water, and stirring for 30 min.
The preparation method of the silane modified resin waterproof coating comprises the following steps: adding 15 parts of polyether alcohol and 40 parts of carbon black into a container, stirring for 2 hours at the temperature of 110 ℃ and the vacuum degree of-0.08 MPa, then cooling to 40 ℃ and releasing the vacuum; then adding 30 parts of silane modified polymer resin, 3 parts of reactive diluent and 10 parts of silane modified aliphatic epoxy resin, and continuously stirring and mixing for 30min at normal temperature and normal pressure; then adding 1 part of SH-6030 coupling agent, 1 part of ultraviolet absorbent UV-9, 2 parts of penetrating agent and 0.3 part of dibutyltin dilaurate catalyst, dispersing and mixing for 20min, stirring for 10min under the vacuum degree of-0.08 MPa, and finally relieving the vacuum to obtain the nano-silver/zinc oxide composite material.
The preparation method of the silane modified aliphatic epoxy resin comprises the following steps:
s1, adding 900 parts of methanol and 0.7 part of tetrafluoroboric acid into a reaction kettle, heating to 60 ℃, then slowly adding 100 parts of aliphatic epoxy resin, reacting for 45min, then adding 30 parts of epoxypropane polyether and 1 part of catalyst boron trifluoride diethyl etherate, reacting for 2h at 80 ℃, adjusting the pH value to be neutral by using 35% sodium hydroxide solution, and cooling to room temperature to obtain an aliphatic epoxy resin prepolymer;
s2, adding 30 parts of methyldimethoxysilane into the aliphatic epoxy resin prepolymer, adding 200 parts of acetone solvent, reacting at the constant temperature of 50 ℃ for 5 hours, naturally cooling to the room temperature, and vacuumizing for 10min at the same time to obtain the epoxy resin prepolymer.
The reactive diluent is a compound of alkylene glycidyl ether and trimethylolpropane triglycidyl ether, and the mass ratio of the compound to the reactive diluent is 3:1.
the penetrating agent is a compound of a rapid penetrating agent T and lecithin, and the mass ratio of the penetrating agent T to the lecithin is 1:1. wherein the rapid penetrating agent T is sodium dioctyl sulfosuccinate, and is produced by Wan New materials Co., ltd in Guangzhou city; the lecithin is soybean lecithin produced by ADM company of America.
The silane modified polymer resin used in the invention is silane modified polymer resin, and SPUR 1015LM from mikul high-new material group is selected.
The aliphatic epoxy resin used in the invention is 3, 4-epoxy cyclohexyl formate, CAS No. 2386-87-0, which is produced by the scientific and biological technology Limited company of Han Hua.
Example 2
The construction method of the non-exposed roof waterproof layer of the silane modified waterproof coating of the embodiment 2 is the same as that of the embodiment 1, and the concrete implementation steps refer to the embodiment 1. Except as follows:
the preparation method of the base layer treating agent in the embodiment comprises the following steps: and (2) uniformly mixing 45 parts of styrene-acrylic emulsion and 20 parts of PEG-200, then sequentially adding 8 parts of lauramidopropyl betaine and 5 parts of castor oil triglycidyl ether, stirring for 10min, finally adding 150 parts of water, and stirring for 45 min.
The preparation method of the silane modified resin waterproof coating in the embodiment comprises the following steps: adding 25 parts of polyether alcohol and 60 parts of carbon black into a container, stirring for 3 hours at the temperature of 120 ℃ and the vacuum degree of-0.09 MPa, cooling to 40 ℃, and releasing vacuum; then adding 50 parts of silane modified polymer resin, 5 parts of reactive diluent and 15 parts of silane modified aliphatic epoxy resin, and continuously stirring and mixing for 20min at normal temperature and normal pressure; then 2 parts of SH-6030 coupling agent, 2 parts of ultraviolet absorbent UV-9, 3 parts of penetrating agent and 0.4 part of dibutyltin dilaurate catalyst are added, dispersing and mixing for 30min, stirring under vacuum degree of-0.09 MPa for 10min, and removing vacuum.
Example 3
The construction method of the non-exposed roof waterproof layer of the silane modified waterproof coating of the embodiment 3 is the same as that of the embodiment 1, and the concrete implementation steps refer to the embodiment 1. Except as follows:
the preparation method of the base layer treating agent in the embodiment comprises the following steps: and (2) uniformly mixing 30 parts of phenylpropyl emulsion and 15 parts of PEG-200, then sequentially adding 6 parts of lauramidopropyl betaine and 4 parts of castor oil triglycidyl ether, stirring for 10min, finally adding 120 parts of water, and stirring for 45 min.
The preparation method of the silane modified resin waterproof coating in the embodiment comprises the following steps: adding 20 parts of polyether alcohol and 50 parts of carbon black into a container, stirring for 3 hours at the temperature of 120 ℃ and the vacuum degree of-0.09 MPa, cooling to 40 ℃, and releasing vacuum; then adding 40 parts of silane modified polymer resin, 4 parts of reactive diluent and 15 parts of silane modified aliphatic epoxy resin, and continuously stirring and mixing for 30min at normal temperature and normal pressure; then adding 1 part of SH-6030 coupling agent, 2 parts of ultraviolet absorbent UV-9, 3 parts of penetrating agent and 0.4 part of dibutyltin dilaurate catalyst, dispersing and mixing for 30min, stirring under vacuum degree of-0.09 MPa for 10min, and removing vacuum.
Comparative example 1
The construction method of the non-exposed roof waterproof layer of the silane modified waterproof coating of the comparative example 1 is the same as that of the example 3, and the specific implementation steps refer to the example 3. Except that the pretreatment of the surface of the base layer was not performed using the base layer treating agent in comparative example 1.
Comparative example 2
The construction method of the non-exposed roof waterproof layer of the silane modified waterproof coating of the comparative example 2 is the same as that of the example 3, and the specific implementation steps refer to the example 3. Except that the base layer treating agent in this comparative example 2 did not contain castor oil triglycidyl ether.
Comparative example 3
The construction method of the non-exposed roof waterproof layer of the silane modified waterproof coating of the comparative example 3 is the same as that of the example 3, and the specific implementation steps refer to the example 3. Except that the silane-modified resin waterproof coating material in comparative example 3 did not contain a silane-modified aliphatic epoxy resin.
Comparative example 4
The preparation method of the non-exposed roof waterproof layer of the silane modified waterproof coating of the comparative example 3 is the same as that of the example 3, and the specific implementation steps refer to the example 3. Except that the penetrant of the silane-modified resin waterproofing paint in this comparative example 3 is a fast penetrant T.
The waterproof layers manufactured according to the constructions of examples 1 to 3 and comparative examples 1 to 4 were cured under standard test conditions of 7, and then tested for adhesive strength, tear strength, heat resistance, weather resistance, etc., and the results thereof are shown in table 1 below.
The test method of the physical and mechanical properties refers to GB/T19250-2013 silane modified waterproof paint; the test method of the bonding strength is carried out according to GB/T16777-2008; the tearing strength test method refers to GB/T529-2008; the weather resistance is tested according to the regulation of 6.6 method A cycle 1 in GB/T16422.3-2014; the water penetration depth is tested according to JG/T349-2011 standard, and the test data are shown in the following table 1.
Table 1 performance test data for water barrier
Figure BDA0003431192760000131
As can be seen from the test results in the table above, the invention has excellent waterproofness, high and low temperature resistance and weather resistance, and has excellent bonding strength and tear resistance. After the base layer treating agent is added, the bonding strength and the water resistance of the invention are obviously improved; the addition of the silane modified aliphatic epoxy resin obviously improves the bonding strength, the waterproofness, the tearing strength and the weather resistance of the invention.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.

Claims (7)

1. A silane modified waterproof coating non-exposed roof waterproof construction method is characterized by comprising the following steps:
step 1), base layer treatment: removing sharp concave-convex, oil stain, cracks and grooves on the surface of the base layer, and ensuring that the surface of the base layer is smooth, firm, clean and free of open water;
step 2), base layer surface pretreatment: coating a base layer treating agent on the surface of the base layer to seal pores of the base layer;
step 3), construction of a detailed additional waterproof layer: the construction of an additional waterproof layer is firstly carried out on the foundation details such as internal and external corners, pipe roots and deformation joints, namely, the silane modified resin waterproof coating is coated for 2-4 times, so that the thickness of the additional waterproof layer is more than or equal to 1mm;
step 4), large-surface coating waterproof layer construction: when the base layer treating agent in the step 2) is fully cured until the finger touch is basically non-stick, selecting a silane modified resin waterproof coating with plastic scrapers which are crossed, vertical and uniformly coated for 2-3 times;
step 5), closing the head and sealing the edge: sealing the waterproof connecting part or edge of the foundation detail part and the large surface part by coating silane modified resin waterproof paint to form a waterproof layer;
step 6), construction of an isolation protective layer: after the waterproof layer is finished and qualified through quality inspection, constructing an isolation layer and a protective layer respectively; firstly, coating two layers of high polymer modified asphalt waterproof coating films which are vertical to each other on a waterproof layer, wherein the thickness of each layer is 1.5-2mm, the joint between the coating layers is 50-100mm, forming an isolation layer, and then paving a cement mortar protective layer or a block surface layer protective layer on the isolation layer;
the silane modified resin waterproof coating is prepared from the following raw materials in parts by weight: 30-50 parts of silane modified polymer resin, 3-5 parts of active diluent, 10-15 parts of silane modified aliphatic epoxy resin, 2-3 parts of penetrating agent, 15-25 parts of polyether alcohol, 40-60 parts of carbon black, 1-2 parts of SH-6030 coupling agent, 0.3-0.4 part of dibutyltin dilaurate catalyst and 1-2 parts of ultraviolet absorbent UV-9;
the silane modified resin waterproof coating is prepared by the following steps:
p1, weighing the required raw material components in parts by weight;
p2, adding polyether alcohol and carbon black into a container, stirring for 2-3 hours at the temperature of 110-120 ℃ and the vacuum degree of-0.08 MPa to-0.09 MPa, then cooling to 40 ℃ and relieving vacuum;
p3, then adding the silane modified polymer resin, the reactive diluent and the silane modified aliphatic epoxy resin, and continuously stirring and mixing for 20-30 min at normal temperature and normal pressure;
and P4, then adding an SH-6030 coupling agent, an ultraviolet absorbent UV-9, a penetrating agent and a dibutyltin dilaurate catalyst, dispersing and mixing for 20-30 min, stirring for 5-10 min under the vacuum degree of-0.08 MPa to-0.09 MPa, and finally relieving the vacuum to obtain the silane modified resin waterproof coating.
2. The method for constructing a non-exposed roof with silane modified waterproof paint according to claim 1, wherein in the step 3), a layer of polyester non-woven fabric is additionally laid at the deformation joint part of the foundation detail part, and then the silane modified resin waterproof paint is coated to form a structure of additional waterproof layer and air laying.
3. The method for waterproofing a non-exposed roof with silane modified waterproof coating according to claim 1, wherein in step 4), after the silane modified resin waterproof coating is coated once, the silane modified resin waterproof coating is coated for a second time at an interval of 2-5 h.
4. The method for constructing the non-exposed roof with the silane modified waterproof coating according to claim 1, wherein the base layer treating agent in the step 2) is prepared from the following raw materials in parts by weight: 25-45 parts of styrene-acrylic emulsion, 5-8 parts of lauramidopropyl betaine, 10-20 parts of polyethylene glycol (PEG) -200, 3-5 parts of castor oil polyglycidyl ether and 90-150 parts of water.
5. The method for constructing a non-exposed roof with the silane-modified waterproof coating according to claim 1, wherein the silane-modified aliphatic epoxy resin is prepared by the following steps:
s1, adding methanol and tetrafluoroboric acid into a reaction kettle, heating to 50-60 ℃, then slowly adding aliphatic epoxy resin, reacting for 45-60 min, then adding epoxypropane polyether and boron trifluoride diethyl etherate serving as a catalyst, reacting for 2-3 h at 70-80 ℃, adjusting the pH value to be neutral by using 35% sodium hydroxide solution, and cooling to room temperature to obtain an aliphatic epoxy resin prepolymer;
s2, adding methyldimethoxysilane into the aliphatic epoxy resin prepolymer, adding an acetone solvent, reacting at a constant temperature of 50-60 ℃ for 3-5h, naturally cooling to room temperature, and vacuumizing for 10min at the same time to obtain silane modified aliphatic epoxy resin;
the mass ratio of the aliphatic epoxy resin to the methanol is 1:9, the mass ratio of the aliphatic epoxy resin to the tetrafluoroboric acid is 1:0.007, the mass ratio of the aliphatic epoxy resin to the propylene oxide polyether is 1:0.3, wherein the mass ratio of the aliphatic epoxy resin to the catalyst boron trifluoride diethyl etherate is 1:0.01, wherein the mass ratio of the aliphatic epoxy resin to the methyldimethoxysilane is 1:0.3, wherein the mass ratio of the aliphatic epoxy resin to the acetone solvent is 1:2.
6. the method for waterproofing a non-exposed roof with silane modified waterproof coating according to claim 1, wherein the reactive diluent is a compound of alkylene glycidyl ether and trimethylolpropane triglycidyl ether, and the mass ratio of the compound to the reactive diluent is 3:1.
7. the method for waterproof construction of a non-exposed roof of silane modified waterproof coating of claim 1, wherein the penetrating agent is a compound of a rapid penetrating agent T and lecithin, and the mass ratio of the penetrating agent T to the lecithin is 1:1.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010174229A (en) * 2009-02-02 2010-08-12 Emulsion Technology Co Ltd Modified asphalt composition, hardened film using the same, and waterproofing method
EP3546541A1 (en) * 2018-03-27 2019-10-02 Sika Technology Ag A waterproofing membrane with a functional layer
CN111763469A (en) * 2020-07-24 2020-10-13 上海三棵树防水技术有限公司 High-strength self-leveling silane modified waterproof coating and preparation method thereof
CN113462293A (en) * 2021-07-02 2021-10-01 河北三棵树涂料有限公司 Silane modified resin waterproof coating and preparation method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101035904B1 (en) * 2009-10-12 2011-05-23 한토산업 (주) Paint Composition Including Nano-Ceramic and Polymer Resin Against Neutralization and Salt Damage of Concrete and Method for Waterproof and Anticorrosion Using the Same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010174229A (en) * 2009-02-02 2010-08-12 Emulsion Technology Co Ltd Modified asphalt composition, hardened film using the same, and waterproofing method
EP3546541A1 (en) * 2018-03-27 2019-10-02 Sika Technology Ag A waterproofing membrane with a functional layer
CN111763469A (en) * 2020-07-24 2020-10-13 上海三棵树防水技术有限公司 High-strength self-leveling silane modified waterproof coating and preparation method thereof
CN113462293A (en) * 2021-07-02 2021-10-01 河北三棵树涂料有限公司 Silane modified resin waterproof coating and preparation method thereof

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