CN111534157A - Abrasion-resistant waterproof leakage repairing material for building - Google Patents

Abrasion-resistant waterproof leakage repairing material for building Download PDF

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CN111534157A
CN111534157A CN202010453184.2A CN202010453184A CN111534157A CN 111534157 A CN111534157 A CN 111534157A CN 202010453184 A CN202010453184 A CN 202010453184A CN 111534157 A CN111534157 A CN 111534157A
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parts
emulsion
abrasion
stirring
mass
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钟标
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Guangdong Hesheng Industry Ltd By Share Ltd
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Guangdong Hesheng Industry Ltd By Share 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
    • C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
    • C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D123/04—Homopolymers or copolymers of ethene
    • C09D123/08—Copolymers of ethene
    • C09D123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C09D123/0853—Vinylacetate
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Sealing Material Composition (AREA)

Abstract

The invention discloses an abrasion-resistant waterproof leak repairing material for a building, which relates to the technical field of building materials and comprises the following components in parts by mass: emulsified asphalt: 40-80 parts; VAE emulsion: 5-15 parts; NBR emulsion: 20-30 parts of a solvent; polymer cement: 120-240 parts; modifying the emulsion: 5-15 parts; PM109 advanced caulking factice: 15-30 parts of VAE emulsion, wherein the VAE emulsion is vinyl acetate-ethylene copolymer emulsion, the pH value of the VAE emulsion is 4-5.5, the NBR emulsion is butyronitrile emulsion, and the butyronitrile emulsion is prepared by copolymerizing 10-15 parts of acrylonitrile and 20-25 parts of butadiene in parts by mass. The material can be better fill the structural joint and the expansion joint, effectively avoids cracking caused by the structural joint, the expansion joint and some deeper joints on the outer surface of the building due to long time, has better water leakage effect, and has higher construction efficiency and more environment-friendly material.

Description

Abrasion-resistant waterproof leakage repairing material for building
Technical Field
The invention relates to the technical field of building materials, in particular to an abrasion-resistant waterproof leakage-repairing material for buildings.
Background
The peripheral waterproof function of building is crucial, especially to the top of building, because of the top of building exposes in the air, experiences effects such as wind blows the solarization, cold and hot change, and the top of building can appear phenomenons such as fracture, hollowing, spalling under natural environment's repeated erosion, and external rainwater can cause indoor destruction along the crack infiltration indoor of top, needs to carry out waterproof mending-leakage to the top of building.
The asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is one of high-viscosity organic liquids, is in a liquid state, has a black surface, is soluble in carbon disulfide, and is a waterproof, moistureproof and anticorrosive organic cementing material. Natural asphalt is stored underground, some forms a mineral layer or is accumulated on the surface of the crust, and the asphalt is mainly used for industries such as paint, plastics, rubber and the like and paving.
Carry out waterproof mending-leakage in-process to the building top, have more expansion joint and structural joint, traditional waterproof mending-leakage material is when mending the gap, can't deepen inside the building, mends expansion joint and structural joint, leads to repairing the completion back, and the building later stage still can produce the condition such as fracture and leak.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an abrasion-resistant waterproof leakage repairing material for a building, which solves the problems that the expansion joints and the structural joints exist in the building, and the expansion joints and the structural joints cannot be repaired by the traditional waterproof leakage repairing material when the joints are repaired, so that the expansion joints and the structural joints are cracked and leaked in the later period of the building after the repair is finished.
In order to achieve the purpose, the invention is realized by the following technical scheme: an abrasion-resistant waterproof leak repairing material for buildings comprises the following components in parts by mass:
emulsified asphalt: 40-80 parts;
VAE emulsion: 5-15 parts;
NBR emulsion: 20-30 parts of a solvent;
polymer cement: 120-240 parts;
modifying the emulsion: 5-15 parts;
PM109 advanced caulking factice: 15-30 parts.
Preferably, the VAE emulsion is a vinyl acetate-ethylene copolymer emulsion, and the pH value of the VAE emulsion is 4-5.5.
Preferably, the NBR emulsion is a butyronitrile emulsion, the butyronitrile emulsion is obtained by copolymerizing 10-15 parts by mass of acrylonitrile and 20-25 parts by mass of butadiene, and the average molecular weight inside the butyronitrile emulsion is 50-20 ten thousand.
Preferably, the emulsified asphalt is prepared by mixing asphalt and an emulsifier, and the polymer cement is prepared by mixing and copolymerizing 20-35 parts by mass of polyacrylate emulsion and 25-45 parts by mass of ethylene-vinyl acetate.
Preferably, the modified emulsion comprises the following components in parts by mass: 5-15 parts of vinyl acetate; 10-15 parts of acrylic acid; 25-30 parts of polyvinyl alcohol; 15-20 parts of dibutyl phthalate; 50-60 parts of deionized water; 5-10 parts of ammonium persulfate; 2-4 parts of octanol; 2-4 parts of ethylene glycol; 4-7 parts of NaHC03A buffering agent; 5-7 parts of Al (N0)3)3A modulator; 8-10 parts of 0P-10 emulsifier.
Preferably, the preparation method of the modified emulsion adopts a delayed feeding semi-continuous emulsion polymerization technology, PVA is prepared into about 11 percent aqueous solution, the aqueous solution is filtered by a filter and then added into a polymerization kettle, the temperature is controlled below 60 ℃, and stirring is started; adding a specified amount of OP-10 emulsifier, adding a certain amount of VAC from a monomer metering tank, adding 40% of APS, adding all octanol, stirring and emulsifying for 30min, heating to 70-80 ℃, starting polymerization reaction, and automatically heating the system to 85 ℃; observing the reflux amount, when the reflux amount is reduced and the temperature of the kettle is reduced to 75-80 ℃, beginning to dropwise add the residual monomers and the initiator, controlling the polymerization temperature to be about 85 ℃ by using the feeding speed, and finishing dropwise adding for about 6 hours; adding a proper amount of Al (N0)3)3Heating to 90-95 ℃, stirring for 30min under the condition of heat preservation, extracting the monomer, and adding a specified amount of NaHC03Adjusting the pH value, adding the rest DBP, stirring for 20min, finally adding ethylene glycol, cooling to 50 ℃, discharging, and filtering to obtain the modified emulsion product.
Preferably, the vinyl acetate-ethylene copolymer emulsion is a high-molecular emulsion prepared by copolymerizing vinyl acetate and ethylene monomers serving as basic raw materials and other auxiliary materials by an emulsion polymerization method.
Preferably, the preparation method of the abrasion-resistant waterproof leakage repairing material for the building comprises the following steps:
s1: recording emulsified asphalt, VAE emulsion and NBR emulsion as group A, and recording PM109 high-grade caulking factice and polymer cement as group B;
s2: preparing two containers, putting the group A into one container, adding water accounting for 35 percent of the total amount of the water into the container, stirring by using a stirring device with the rotating speed of 100-;
s3: placing the two groups of prepared liquids in the same container, then placing the modified emulsion, stirring by using a stirring device with the external rotating speed of 200-300r/min, and then standing for 5-10min to gradually solidify the colloid to obtain the abrasion-resistant waterproof leak-repairing material.
Advantageous effects
The invention provides an abrasion-resistant waterproof leak repairing material for buildings. Compared with the prior art, the method has the following beneficial effects:
1. this waterproof mending-leakage material of abrasion resistance for building, mix inside the waterproof mending-leakage material of abrasion resistance through the advanced caulking oleamen of PM109, lubrication system and embeddability through the oleamen body, can be better carry out the processing of caulking with the inside structure seam of building, expansion joint and some darker gaps, can be better fill up these gaps, effectively avoided because of the time is permanent, the building outer surface causes the fracture because of structure seam, expansion joint and some darker gaps, the condition of leaking appears, the effect of caulking that makes the material is better.
2. This waterproof mending-leakage material of abrasion resistance for building, through to the inside mix ratio polymer cement of waterproof mending-leakage material of abrasion resistance, polymer cement has environmental protection and the fast characteristic of drying, when the material is after the completion of caulking, can effectually dry fast, need not outside personnel and carry out drying process to the material through external device, has the environmental protection characteristic moreover, has reduced air pollution, makes the efficiency of construction higher, makes the material environmental protection more.
Drawings
FIG. 1 is a schematic flow chart of the preparation method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides three technical solutions:
example 1
An abrasion-resistant waterproof leak repairing material for buildings comprises the following components in parts by mass:
emulsified asphalt: 40 parts of a mixture;
VAE emulsion: 5 parts of a mixture;
NBR emulsion: 20 parts of (1);
polymer cement: 120 parts of (A);
modifying the emulsion: 5 parts of a mixture;
PM109 advanced caulking factice: 15 parts.
Furthermore, the VAE emulsion is vinyl acetate-ethylene copolymer emulsion, and the pH value of the VAE emulsion is 4.
Further, the NBR emulsion is butyronitrile emulsion, the butyronitrile emulsion is obtained by copolymerizing 10 parts by mass of acrylonitrile and 20 parts by mass of butadiene, and the average molecular weight inside the butyronitrile emulsion is 50 ten thousand.
Further, the emulsified asphalt is prepared by mixing asphalt and an emulsifier, and the polymer cement is prepared by mixing and copolymerizing 20 parts by mass of polyacrylate emulsion and 25 parts by mass of ethylene-vinyl acetate.
Further, the modified emulsion comprises the following components in parts by mass: 5 parts of vinyl acetate; 10 parts of acrylic acid; 25 parts of polyvinyl alcohol; 15 parts of dibutyl phthalate; 50 parts of deionized water; 5 parts of ammonium persulfate; 2 parts of octanol; 2 parts of ethylene glycol; 4 parts of NaHC03A buffering agent; 5 parts of Al (N0)3)3A modulator; 8 parts of 0P-10 emulsifier.
Further, the preparation method of the modified emulsion adopts a semi-continuous emulsion polymerization technology of delayed feeding, PVA is prepared into about 11 percent of aqueous solution, the aqueous solution is filtered by a filter and then is added into a polymerization kettle, the temperature is controlled below 60 ℃, and stirring is started; adding a specified amount of OP-10 emulsifier, adding a certain amount of VAC from a monomer metering tank, adding 40% of APS, adding all octanol, stirring and emulsifying for 30min, heating to 70 ℃, starting polymerization reaction, and automatically heating the system to 85 ℃; observing the reflux amount, when the reflux amount is reduced and the temperature of the kettle is reduced to 75 ℃, beginning to dropwise add the residual monomers and the initiator, controlling the polymerization temperature to be about 85 ℃ by using the feeding speed, and finishing dropwise adding within about 6 hours; adding a proper amount of Al (N0)3)3Heating to 90 deg.C, stirring for 30min, extracting monomer, adding NaHC03Adjusting the pH value, adding the rest DBP, stirring for 20min, finally adding ethylene glycol, cooling to 50 ℃, discharging, and filtering to obtain the modified emulsion product.
Furthermore, the vinyl acetate-ethylene copolymer emulsion is a high molecular emulsion prepared by copolymerizing vinyl acetate and ethylene monomers serving as basic raw materials and other auxiliary materials by an emulsion polymerization method.
Further, the preparation method of the abrasion-resistant waterproof leak-repairing material for the building comprises the following steps:
s1: recording emulsified asphalt, VAE emulsion and NBR emulsion as group A, and recording PM109 high-grade caulking factice and polymer cement as group B;
s2: preparing two containers, putting the group A into one container, adding water accounting for 35% of the total amount of water into the container, stirring by using a stirring device with the rotating speed of 100r/min, simultaneously putting the group B into the other container, adding water accounting for 40% of the total amount of water into the container where the group B is positioned, stirring by using the stirring device with the rotating speed of 100r/min, and respectively standing for 5min after stirring;
s3: and placing the two groups of prepared liquids in the same container, then placing the modified emulsion, stirring by using a stirring device with the external rotating speed of 200r/min, and standing for 5min to gradually solidify the colloid to obtain the abrasion-resistant waterproof leak-repairing material.
Example 2
An abrasion-resistant waterproof leak repairing material for buildings comprises the following components in parts by mass:
emulsified asphalt: 60 parts;
VAE emulsion: 10 parts of (A);
NBR emulsion: 25 parts of (1);
polymer cement: 180 parts of (A);
modifying the emulsion: 10 parts of (A);
PM109 advanced caulking factice: 23 parts.
Furthermore, the VAE emulsion is vinyl acetate-ethylene copolymer emulsion, and the pH value of the VAE emulsion is 5.
Further, the NBR emulsion is butyronitrile emulsion, the butyronitrile emulsion is obtained by copolymerizing 13 parts by mass of acrylonitrile and 23 parts by mass of butadiene, and the average molecular weight inside the butyronitrile emulsion is 30 ten thousand.
Further, the emulsified asphalt is prepared by mixing asphalt and an emulsifier, and the polymer cement is prepared by mixing and copolymerizing 27 parts by mass of polyacrylate emulsion and 35 parts by mass of ethylene-vinyl acetate respectively.
Further, the modified emulsion comprises the following components in parts by mass: 10 parts of vinyl acetate; 13 parts of acrylic acid; 27 parts of polyvinyl alcohol; 17 parts of dibutyl phthalate; 55 parts of deionized water; 7 parts of ammonium persulfate; 3 parts of octanol; 3 parts of ethylene glycol; 5 parts of NaHC03A buffering agent; 6 parts of Al (N0)3)3A modulator; 9 parts of 0P-10 emulsifier.
Further, the preparation method of the modified emulsion adopts a semi-continuous emulsion polymerization technology of delayed feeding, PVA is prepared into about 11 percent of aqueous solution, the aqueous solution is filtered by a filter and then is added into a polymerization kettle, the temperature is controlled below 60 ℃, and stirring is started; adding a specified amount of OP-10 emulsifier, adding a certain amount of VAC from a monomer metering tank, adding 40% of APS, adding all octanol, stirring and emulsifying for 30min, heating to 75 ℃, starting polymerization reaction, and automatically heating the system to 85 ℃; observing the reflux amount, when the reflux amount is reduced, reducing the temperature of the kettle to 77 ℃, beginning to dropwise add the residual monomers and the initiator, controlling the polymerization temperature to be about 85 ℃ by using the feeding speed, and finishing dropwise adding within about 6 hours; adding a proper amount of Al (N0)3)3Heating to 93 deg.C, stirring for 30min, extracting monomer, adding NaHC03Adjusting the pH value, adding the rest DBP, stirring for 20min, finally adding ethylene glycol, cooling to 50 ℃, discharging, and filtering to obtain the modified emulsion product.
Furthermore, the vinyl acetate-ethylene copolymer emulsion is a high molecular emulsion prepared by copolymerizing vinyl acetate and ethylene monomers serving as basic raw materials and other auxiliary materials by an emulsion polymerization method.
Further, the preparation method of the abrasion-resistant waterproof leak-repairing material for the building comprises the following steps:
s1: recording emulsified asphalt, VAE emulsion and NBR emulsion as group A, and recording PM109 high-grade caulking factice and polymer cement as group B;
s2: preparing two containers, putting the group A into one container, adding water accounting for 35% of the total amount of water into the container, stirring by using a stirring device with the rotating speed of 150r/min, simultaneously putting the group B into the other container, adding water accounting for 40% of the total amount of water into the container where the group B is positioned, stirring by using the stirring device with the rotating speed of 150r/min, and respectively standing for 7min after stirring;
s3: and placing the two groups of prepared liquids in the same container, then placing the modified emulsion, stirring by using a stirring device with the external rotating speed of 250r/min, and standing for 7min to gradually solidify the colloid to obtain the abrasion-resistant waterproof leak-repairing material.
Example 3
An abrasion-resistant waterproof leak repairing material for buildings comprises the following components in parts by mass:
emulsified asphalt: 80 parts of a mixture;
VAE emulsion: 15 parts of (1);
NBR emulsion: 30 parts of (1);
polymer cement: 240 parts of a mixture;
modifying the emulsion: 15 parts of (1);
PM109 advanced caulking factice: 30 parts of.
Furthermore, the VAE emulsion is vinyl acetate-ethylene copolymer emulsion, and the pH value of the VAE emulsion is 5.5.
Further, the NBR emulsion is butyronitrile emulsion, the butyronitrile emulsion is obtained by copolymerizing 15 parts by mass of acrylonitrile and 25 parts by mass of butadiene, and the average molecular weight inside the butyronitrile emulsion is 20 ten thousand.
Further, the emulsified asphalt is prepared by mixing asphalt and an emulsifier, and the polymer cement is prepared by mixing and copolymerizing 35 parts by mass of polyacrylate emulsion and 45 parts by mass of ethylene-vinyl acetate.
Further, the modified emulsion comprises the following components in parts by mass: 15 parts of vinyl acetate; 15 parts of acrylic acid; 30 parts of polyvinyl alcohol; 20 parts of dibutyl phthalate; 60 parts of deionized water; 10 parts of ammonium persulfate; 4 parts of octanol; 4 parts of ethylene glycol; 7 parts of NaHC03A buffering agent; 7 parts of Al (N0)3)3A modulator; 10 portions of 0P-10 emulsifier.
Further, the preparation method of the modified emulsion adopts a semi-continuous emulsion polymerization technology of delayed feeding, PVA is prepared into about 11 percent of aqueous solution, the aqueous solution is filtered by a filter and then is added into a polymerization kettle, the temperature is controlled below 60 ℃, and stirring is started; adding a specified amount of OP-10 emulsifier, adding a certain amount of VAC from a monomer metering tank, adding 40% of APS, adding all octanol, stirring and emulsifying for 30min, heating to 80 ℃, starting polymerization reaction, and automatically heating the system to 85 ℃; observing the reflux amount, and when the reflux amount is reduced, keeping the temperature of the kettleCooling to 80 ℃, beginning to dropwise add the residual monomers and the initiator, controlling the polymerization temperature to be about 85 ℃ by using the feeding speed, and finishing dropwise adding within about 6 hours; adding a proper amount of Al (N0)3)3Heating to 95 deg.C, stirring for 30min, extracting monomer, adding NaHC03Adjusting the pH value, adding the rest DBP, stirring for 20min, finally adding ethylene glycol, cooling to 50 ℃, discharging, and filtering to obtain the modified emulsion product.
Furthermore, the vinyl acetate-ethylene copolymer emulsion is a high molecular emulsion prepared by copolymerizing vinyl acetate and ethylene monomers serving as basic raw materials and other auxiliary materials by an emulsion polymerization method.
Further, the preparation method of the abrasion-resistant waterproof leak-repairing material for the building comprises the following steps:
s1: recording emulsified asphalt, VAE emulsion and NBR emulsion as group A, and recording PM109 high-grade caulking factice and polymer cement as group B;
s2: preparing two containers, putting the group A into one container, adding water accounting for 35% of the total amount of water into the container, stirring by using a stirring device with the rotating speed of 200r/min, simultaneously putting the group B into the other container, adding water accounting for 40% of the total amount of water into the container where the group B is positioned, stirring by using the stirring device with the rotating speed of 200r/min, and respectively standing for 10min after stirring;
s3: and placing the two groups of prepared liquids in the same container, then placing the modified emulsion, stirring by using a stirring device with the external rotating speed of 300r/min, and standing for 10min to gradually solidify the colloid to obtain the abrasion-resistant waterproof leak-repairing material.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. An abrasion-resistant waterproof leak repairing material for buildings is characterized by comprising the following components in parts by mass:
emulsified asphalt: 40-80 parts;
VAE emulsion: 5-15 parts;
NBR emulsion: 20-30 parts of a solvent;
polymer cement: 120-240 parts;
modifying the emulsion: 5-15 parts;
PM109 advanced caulking factice: 15-30 parts.
2. The abrasion-resistant, waterproof and leak-stopping material for buildings according to claim 1, wherein the VAE emulsion is a vinyl acetate-ethylene copolymer emulsion, and the pH value of the VAE emulsion is in the range of 4 to 5.5.
3. The abrasion-resistant, waterproof and leak-stopping material for buildings as claimed in claim 1, wherein the NBR emulsion is a nitrile emulsion obtained by copolymerizing 10-15 parts by mass of acrylonitrile and 20-25 parts by mass of butadiene, and the nitrile emulsion has an average molecular weight of 50-20 ten thousand.
4. The abrasion-resistant, water-resistant and leakage-repairing material for building according to claim 1, wherein said emulsified asphalt is prepared by mixing asphalt with emulsifier, and said polymer cement is prepared by mixing and copolymerizing 20-35 parts by mass of polyacrylate emulsion and 25-45 parts by mass of ethylene-vinyl acetate.
5. The abrasion-resistant waterproof leakage-repairing material for buildings according to claim 1, wherein the modified emulsion comprises the following components by mass: 5-15 parts of vinyl acetate; 10-15 parts of acrylic acid; 25-30 parts of polyvinyl alcohol; 15-20 parts of dibutyl phthalate; 50-60 parts of deionized water; 5-10 parts of ammonium persulfate; 2-4 parts of octanol; 2-4 parts of ethylene glycol; 4-7 parts of NaHC03A buffering agent; 5-7 parts of Al (N0)3)3A modulator; 8-10 parts of 0P-10 emulsifier.
6. The abrasion-resistant waterproof leakage-repairing material for buildings according to claim 1, wherein the modified emulsion is prepared by a semi-continuous emulsion polymerization technology of delayed feeding, PVA is prepared into about 11% aqueous solution, the aqueous solution is filtered by a filter and then is added into a polymerization kettle, the temperature is controlled below 60 ℃, and stirring is started; adding a specified amount of OP-10 emulsifier, adding a certain amount of VAC from a monomer metering tank, adding 40% of APS, adding all octanol, stirring and emulsifying for 30min, heating to 70-80 ℃, starting polymerization reaction, and automatically heating the system to 85 ℃; observing the reflux amount, when the reflux amount is reduced and the temperature of the kettle is reduced to 75-80 ℃, beginning to dropwise add the residual monomers and the initiator, controlling the polymerization temperature to be about 85 ℃ by using the feeding speed, and finishing dropwise adding for about 6 hours; adding a proper amount of Al (N0)3)3Heating to 90-95 ℃, stirring for 30min under the condition of heat preservation, extracting the monomer, and adding a specified amount of NaHC03Adjusting the pH value, adding the rest DBP, stirring for 20min, finally adding ethylene glycol, cooling to 50 ℃, discharging, and filtering to obtain the modified emulsion product.
7. The abrasion-resistant, water-resistant and leak-stopping material as claimed in claim 2, wherein the vinyl acetate-ethylene copolymer emulsion is a polymer emulsion obtained by copolymerizing vinyl acetate and ethylene monomers as basic raw materials with other auxiliary materials by an emulsion polymerization method.
8. An abrasion-resistant waterproof leakage-repairing material for construction according to claims 1-7, which is prepared by the following steps:
s1: recording emulsified asphalt, VAE emulsion and NBR emulsion as group A, and recording PM109 high-grade caulking factice and polymer cement as group B;
s2: preparing two containers, putting the group A into one container, adding water accounting for 35 percent of the total amount of the water into the container, stirring by using a stirring device with the rotating speed of 100-;
s3: placing the two groups of prepared liquids in the same container, then placing the modified emulsion, stirring by using a stirring device with the external rotating speed of 200-300r/min, and then standing for 5-10min to gradually solidify the colloid to obtain the abrasion-resistant waterproof leak-repairing material.
CN202010453184.2A 2020-05-25 2020-05-25 Abrasion-resistant waterproof leakage repairing material for building Pending CN111534157A (en)

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Publication number Priority date Publication date Assignee Title
CN115403935A (en) * 2021-05-28 2022-11-29 中国石油化工股份有限公司 Micro-block nitrile butadiene rubber modified asphalt emulsion and preparation method thereof
CN115403935B (en) * 2021-05-28 2024-04-12 中国石油化工股份有限公司 Micro-block nitrile rubber modified asphalt emulsion and preparation method thereof

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Application publication date: 20200814