CN114507469A - High-strength asparagus polyurea waterproof coating and preparation method thereof - Google Patents
High-strength asparagus polyurea waterproof coating and preparation method thereof Download PDFInfo
- Publication number
- CN114507469A CN114507469A CN202210070298.8A CN202210070298A CN114507469A CN 114507469 A CN114507469 A CN 114507469A CN 202210070298 A CN202210070298 A CN 202210070298A CN 114507469 A CN114507469 A CN 114507469A
- Authority
- CN
- China
- Prior art keywords
- parts
- stirring
- strength
- polyurea
- asparagus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/02—Polyureas
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Abstract
The invention discloses a high-strength asparagus polyurea waterproof coating and a preparation method thereof, wherein the high-strength asparagus polyurea waterproof coating comprises the following components in parts by weight: 65-85 parts of asparagus polyurea, 32-38 parts of propylene glycol monomethyl ether acetate, 35-40 parts of polyethylene wax, 12-16 parts of phenolic resin, 10-12 parts of polysiloxane defoamer, 1-4 parts of toluene diisocyanate, 1-3 parts of heavy calcium carbonate, 4-6 parts of zinc oxide, 0.5-2 parts of isoprene rubber, 1.2-5 parts of organic bismuth, 20-25 parts of polyoxyethylene polyoxypropylene pentaerythritol ether, 20-24 parts of polyether polyol, 5-8 parts of wollastonite, 2-6 parts of silicon-containing hydrophobic agent, 6-12 parts of hydroxyl polybutadiene, 10-16 parts of silane coupling agent, 9-16 parts of oxazolidine reactive diluent and 6-10 parts of polyethylene glycol. The invention has excellent tensile strength, curing effect and flame retardant effect.
Description
Technical Field
The invention belongs to the technical field of materials, and particularly relates to a high-strength asparagus polyurea waterproof coating.
Background
The waterproof coatings sold in the market at present are basically produced according to the national II type waterproof coating standard, have good waterproof effect and long service life when being used on buildings in the environment without vibratory interference, but if being used on railways, tunnels, bridges, expressways and other auxiliary buildings in the environment with frequent vehicle trips and relatively severe vibration influence, the conditions of coating film cracking and peeling are easy to occur, and the actual effective service life is very short. It has been demonstrated that there are unique demanding requirements for water-resistant coatings used on buildings that are subjected to vibration for extended periods of time. A large number of tests prove that the waterproof coating can be used for the buildings, the curing shrinkage rate is 0.08-0.10%, and the tensile strength is 4.0-4.5 MPa. The development and development of the coating with high strength requirement are difficult and high in cost, and the coating is still developed at present in China.
Disclosure of Invention
The invention mainly solves the technical problem of providing the high-strength asparagus polyurea waterproof coating and the preparation method thereof, and the high-strength asparagus polyurea waterproof coating has excellent tensile strength, curing effect and flame retardant effect.
In order to solve the technical problems, the invention adopts a technical scheme that: a high-strength asparagus polyurea waterproof coating comprises the following components in parts by weight: 65-85 parts of asparagus polyurea, 32-38 parts of propylene glycol monomethyl ether acetate, 35-40 parts of polyethylene wax, 12-16 parts of phenolic resin, 10-12 parts of polysiloxane defoamer, 1-4 parts of toluene diisocyanate, 1-3 parts of heavy calcium carbonate, 4-6 parts of zinc oxide, 0.5-2 parts of isoprene rubber, 1.2-5 parts of organic bismuth, 20-25 parts of polyoxyethylene polyoxypropylene pentaerythritol ether, 20-24 parts of polyether polyol, 5-8 parts of wollastonite, 2-6 parts of silicon-containing hydrophobic agent, 6-12 parts of hydroxyl polybutadiene, 10-16 parts of silane coupling agent, 9-16 parts of oxazolidine reactive diluent and 6-10 parts of polyethylene glycol.
Further, the composition comprises the following components in parts by weight: 85 parts of asparagus polyurea, 38 parts of propylene glycol methyl ether acetate, 36 parts of polyethylene wax, 13 parts of phenolic resin, 11 parts of polysiloxane defoaming agent, 3 parts of toluene diisocyanate, 2 parts of heavy calcium carbonate, 5 parts of zinc oxide, 1.5 parts of isoprene rubber, 1.5 parts of organic bismuth, 23 parts of polyoxyethylene polyoxypropylene pentaerythritol ether, 22 parts of polyether polyol, 7 parts of wollastonite, 4 parts of silicon-containing hydrophobic agent, 8 parts of hydroxyl polybutadiene, 11 parts of silane coupling agent, 10 parts of oxazolidine reactive diluent and 9 parts of polyethylene glycol.
Further, the organic bismuth is BICAT8118, wherein the bismuth content is 18%.
Further, the silicon-containing hydrophobic agent is triethoxysilanol and/or silicon-containing polyether polyol.
Furthermore, the silane coupling agent is of a type kh550, the main component of the silane coupling agent is 3-aminopropyl triethoxysilane, the flash point is 104 ℃, and the content is more than or equal to 97%.
Further, the polyether polyol is polyether glycol with a hydroxyl value of 54-60 mg KOH/g.
Further, the hydroxyl polybutadiene has a number average molecular weight of 1000-3000 and an average functionality of 2-2.4.
A preparation method of high-strength aspartic polyurea waterproof paint comprises the following steps:
(1) weighing the raw materials in parts by weight;
(2) taking the asparagus polyurea, the oxazolidine reactive diluent, the polyethylene glycol and the propylene glycol monomethyl ether acetate to be put in a closed reaction kettle, mixing uniformly, and then gradually raising the temperature;
(3) adding phenolic resin, a polysiloxane defoaming agent, polyoxyethylene polyoxypropylene pentaerythritol ether, polyether polyol, wollastonite and a silicon-containing hydrophobic agent into a reactor when the temperature reaches 100 ℃, stirring and controlling the temperature of the system to be less than 200 ℃, then sequentially adding hydroxyl polybutadiene and organic bismuth while stirring, controlling the adding time to be within 45min, and stirring for 20 min;
(4) taking polyethylene wax, toluene diisocyanate, zinc oxide and isoprene rubber, adding deionized water with the mass 2 times of the total mass, stirring and mixing uniformly at 1000r/min, keeping the temperature, cooling to 120 ℃, adding heavy calcium carbonate and a silane coupling agent, and stirring for 50min at 1000r/min to obtain a mixture;
(5) and (3) adding the mixture obtained in the step (4) into the reaction kettle obtained in the step (3), stirring, heating to 200 ℃, stirring for 25min, rapidly cooling to 70 ℃, cooling at the speed of 5 ℃/min, pre-dispersing for 30min under the action of ultrasonic waves, stirring until no particles are agglomerated, and discharging.
Further, in the step (2), the pressure of the closed reaction kettle is controlled to be 0.20-0.30 MPa.
Further, in the step (5), the pressure of the reaction kettle is controlled to be 0.5-0.8 MPa.
The invention has at least the following advantages:
(1) the high-strength asparagus polyurea waterproof coating disclosed by the invention is low in curing shrinkage rate, small in generated internal stress, 0.08-0.10% in curing shrinkage rate, and also has excellent tensile strength, wherein the tensile strength is 24.0-24.5 MPa.
(2) The high-strength asparagus polyurea waterproof coating disclosed by the invention is low in curing condition, can be cured within a temperature range of 0-180 ℃, is improved in weather resistance, and is expanded in application range.
(3) The high-strength asparagus polyurea waterproof coating has strong bonding strength, particularly the bonding strength of a wet base surface, wherein the bonding strength of the wet base surface is 2.68-2.73 MPa.
(4) The high-strength asparagus polyurea waterproof coating has a good flame-retardant effect, and the oxygen index is 28.3-29.2%.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention, and to clearly and unequivocally define the scope of the present invention.
Example 1A high-Strength Asparagus polyurea waterproofing paint
Comprises the following components in parts by weight: 65 parts of asparagus polyurea, 38 parts of propylene glycol methyl ether acetate, 35 parts of polyethylene wax, 16 parts of phenolic resin, 10 parts of polysiloxane defoaming agent, 4 parts of toluene diisocyanate, 1 part of heavy calcium carbonate, 4 parts of zinc oxide, 2 parts of isoprene rubber, 1.2 parts of organic bismuth, 20 parts of polyoxyethylene polyoxypropylene pentaerythritol ether, 24 parts of polyether polyol, 5 parts of wollastonite, 6 parts of silicon-containing hydrophobic agent, 6 parts of hydroxyl polybutadiene, 10 parts of silane coupling agent, 16 parts of oxazolidine reactive diluent and 6 parts of polyethylene glycol.
The organic bismuth is BICAT8118, wherein the bismuth content is 18 percent;
the silicon-containing hydrophobic agent is triethoxysilanol;
the silane coupling agent is of the type kh550, the main component of the silane coupling agent is 3-aminopropyl triethoxysilane, the flash point is 104 ℃, and the content is more than or equal to 97 percent;
the polyether glycol is polyether glycol with a hydroxyl value of 54-60 mg KOH/g;
the hydroxyl polybutadiene has a number average molecular weight of 1000-3000 and an average functionality of 2-2.4.
Example 2 high-Strength Asparagus polyurea waterproofing paint
The difference is the same as in example 1, only in parts by weight: specifically, the high-strength aspartic polyurea waterproof coating of the embodiment comprises the following components in parts by weight: 85 parts of asparagus polyurea, 38 parts of propylene glycol methyl ether acetate, 36 parts of polyethylene wax, 13 parts of phenolic resin, 11 parts of polysiloxane defoaming agent, 3 parts of toluene diisocyanate, 2 parts of heavy calcium carbonate, 5 parts of zinc oxide, 1.5 parts of isoprene rubber, 1.5 parts of organic bismuth, 23 parts of polyoxyethylene polyoxypropylene pentaerythritol ether, 22 parts of polyether polyol, 7 parts of wollastonite, 4 parts of silicon-containing hydrophobic agent, 8 parts of hydroxyl polybutadiene, 11 parts of silane coupling agent, 10 parts of oxazolidine reactive diluent and 9 parts of polyethylene glycol.
Example 3 high-Strength Aspartame polyurea waterproofing paint
The difference is the same as in example 1, only in parts by weight: specifically, the high-strength aspartic polyurea waterproof coating of the embodiment comprises the following components in parts by weight: 80 parts of asparagus polyurea, 32 parts of propylene glycol methyl ether acetate, 40 parts of polyethylene wax, 12 parts of phenolic resin, 12 parts of polysiloxane defoaming agent, 3 parts of toluene diisocyanate, 3 parts of heavy calcium carbonate, 6 parts of zinc oxide, 0.5 part of isoprene rubber, 5 parts of organic bismuth, 25 parts of polyoxyethylene polyoxypropylene pentaerythritol ether, 20 parts of polyether polyol, 8 parts of wollastonite, 2 parts of silicon-containing hydrophobic agent, 12 parts of hydroxyl polybutadiene, 16 parts of silane coupling agent, 9 parts of oxazolidine reactive diluent and 10 parts of polyethylene glycol.
Embodiment 4 a method for preparing a high-strength aspartic polyurea waterproof coating, comprising the following steps:
(1) the raw materials are weighed according to the parts by weight in the examples.
(2) Taking the asparagus polyurea, the oxazolidine reactive diluent, the polyethylene glycol and the propylene glycol monomethyl ether acetate to be put in a closed reaction kettle, mixing uniformly, and then gradually raising the temperature;
the pressure of the closed reaction kettle is controlled to be 0.20-0.30 MPa.
(3) Adding phenolic resin, a polysiloxane defoaming agent, polyoxyethylene polyoxypropylene pentaerythritol ether, polyether polyol, wollastonite and a silicon-containing hydrophobic agent into a reactor when the temperature reaches 100 ℃, stirring and controlling the temperature of the system to be less than 200 ℃, then sequentially adding hydroxyl polybutadiene and organic bismuth while stirring, controlling the adding time to be within 45min, and stirring for 20 min.
(4) The polyethylene wax, the toluene diisocyanate, the zinc oxide and the isoprene rubber are taken, deionized water with the total mass being 2 times of the total mass is added, the mixture is stirred and mixed evenly at 1000r/min, the temperature is reduced to 120 ℃ after heat preservation, the ground limestone and the silane coupling agent are added, and the mixture is stirred for 50min at 1000r/min to obtain a mixture.
(5) And (3) adding the mixture obtained in the step (4) into the reaction kettle obtained in the step (3), controlling the pressure of the reaction kettle to be 0.5-0.8MPa, stirring, heating to 200 ℃, stirring for 25min, rapidly cooling to 70 ℃, wherein the cooling rate is 5 ℃/min, pre-dispersing for 30min under the action of ultrasonic waves, stirring until no particles aggregate, and discharging to obtain the high-strength aspartic polyurea waterproof coating.
Comparative example 1 a method for preparing an aspartic polyurea waterproofing coating, comprising the steps of:
(1) weighing the following raw materials in parts by weight: 80 parts of asparagus polyurea, 40 parts of polyethylene wax, 12 parts of phenolic resin, 12 parts of polysiloxane defoamer, 3 parts of toluene diisocyanate, 3 parts of heavy calcium carbonate, 6 parts of zinc oxide, 0.5 part of isoprene rubber, 5 parts of organic bismuth, 25 parts of polyoxyethylene polyoxypropylene pentaerythritol ether, 20 parts of polyether polyol, 8 parts of wollastonite, 2 parts of silicon-containing hydrophobic agent, 12 parts of hydroxyl polybutadiene, 16 parts of silane coupling agent and 9 parts of oxazolidine reactive diluent.
(2) Taking the asparagus polyurea and the oxazolidine reactive diluent, putting the asparagus polyurea and the oxazolidine reactive diluent into a closed reaction kettle, uniformly mixing, and gradually raising the temperature;
the pressure of the closed reaction kettle is controlled to be 0.20-0.30 MPa.
(3) Adding phenolic resin, a polysiloxane defoaming agent, polyoxyethylene polyoxypropylene pentaerythritol ether, polyether polyol, wollastonite and a silicon-containing hydrophobic agent into a reactor when the temperature reaches 100 ℃, stirring and controlling the temperature of the system to be less than 200 ℃, then sequentially adding hydroxyl polybutadiene and organic bismuth while stirring, controlling the adding time to be within 45min, and stirring for 20 min.
(4) Taking polyethylene wax, toluene diisocyanate, zinc oxide and isoprene rubber, adding deionized water with the mass being 2 times of the total mass, stirring and mixing uniformly at 1000r/min, keeping the temperature, cooling to 120 ℃, adding ground limestone and a silane coupling agent, and stirring for 50min at 1000r/min to obtain a mixture.
(5) And (3) adding the mixture obtained in the step (4) into the reaction kettle obtained in the step (3), controlling the pressure of the reaction kettle to be 0.5-0.8MPa, stirring, heating to 200 ℃, stirring for 25min, rapidly cooling to 70 ℃, wherein the cooling rate is 5 ℃/min, pre-dispersing for 30min under the action of ultrasonic waves, stirring until no particles aggregate, and discharging to obtain the asparagus polyurea waterproof coating.
Comparative example 2 a method for preparing an aspartic polyurea waterproofing coating, comprising the steps of:
(1) weighing the following raw materials in parts by weight: 80 parts of asparagus polyurea, 32 parts of propylene glycol methyl ether acetate, 40 parts of polyethylene wax, 12 parts of phenolic resin, 12 parts of polysiloxane defoaming agent, 3 parts of toluene diisocyanate, 3 parts of heavy calcium carbonate, 6 parts of zinc oxide, 0.5 part of isoprene rubber, 5 parts of organic bismuth, 8 parts of wollastonite, 2 parts of silicon-containing hydrophobic agent, 12 parts of hydroxyl polybutadiene, 16 parts of silane coupling agent, 9 parts of oxazolidine reactive diluent and 10 parts of polyethylene glycol.
(2) Taking the asparagus polyurea, the oxazolidine reactive diluent, the polyethylene glycol and the propylene glycol monomethyl ether acetate to be put in a closed reaction kettle, and gradually raising the temperature after uniformly mixing;
the pressure of the closed reaction kettle is controlled to be 0.20-0.30 MPa.
(3) Adding phenolic resin, polysiloxane antifoaming agent, wollastonite and silicon-containing hydrophobic agent into a reactor when the temperature reaches 100 ℃, stirring, controlling the temperature of the system to be less than 200 ℃, then sequentially adding hydroxyl polybutadiene and organic bismuth, stirring while adding, controlling the adding time within 45min, and stirring for 20 min.
(4) The polyethylene wax, the toluene diisocyanate, the zinc oxide and the isoprene rubber are taken, deionized water with the total mass being 2 times of the total mass is added, the mixture is stirred and mixed evenly at 1000r/min, the temperature is reduced to 120 ℃ after heat preservation, the ground limestone and the silane coupling agent are added, and the mixture is stirred for 50min at 1000r/min to obtain a mixture.
(5) And (3) adding the mixture obtained in the step (4) into the reaction kettle obtained in the step (3), controlling the pressure of the reaction kettle to be 0.5-0.8MPa, stirring, heating to 200 ℃, stirring for 25min, rapidly cooling to 70 ℃, wherein the cooling rate is 5 ℃/min, pre-dispersing for 30min under the action of ultrasonic waves, stirring until no particles aggregate, and discharging to obtain the asparagus polyurea waterproof coating.
Comparative example 3 a method for preparing an aspartic polyurea waterproofing coating, comprising the steps of:
(1) weighing the following raw materials in parts by weight according to the embodiments: 80 parts of asparagus polyurea, 32 parts of propylene glycol methyl ether acetate, 40 parts of polyethylene wax, 12 parts of phenolic resin, 12 parts of polysiloxane defoaming agent, 3 parts of heavy calcium carbonate, 6 parts of zinc oxide, 5 parts of organic bismuth, 25 parts of polyoxyethylene polyoxypropylene pentaerythritol ether, 20 parts of polyether polyol, 8 parts of wollastonite, 2 parts of silicon-containing hydrophobic agent, 12 parts of hydroxyl polybutadiene, 16 parts of silane coupling agent, 9 parts of oxazolidine reactive diluent and 10 parts of polyethylene glycol.
(2) Taking the asparagus polyurea, the oxazolidine reactive diluent, the polyethylene glycol and the propylene glycol monomethyl ether acetate to be put in a closed reaction kettle, mixing uniformly, and then gradually raising the temperature;
the pressure of the closed reaction kettle is controlled to be 0.20-0.30 MPa.
(3) Adding phenolic resin, a polysiloxane defoaming agent, polyoxyethylene polyoxypropylene pentaerythritol ether, polyether polyol, wollastonite and a silicon-containing hydrophobic agent into a reactor when the temperature reaches 100 ℃, stirring and controlling the temperature of the system to be less than 200 ℃, then sequentially adding hydroxyl polybutadiene and organic bismuth while stirring, controlling the adding time to be within 45min, and stirring for 20 min.
(4) And adding polyethylene wax and zinc oxide into deionized water with the mass 2 times of the total mass, stirring and mixing uniformly at 1000r/min, keeping the temperature, cooling to 120 ℃, adding heavy calcium carbonate and a silane coupling agent, and stirring at 1000r/min for 50min to obtain a mixture.
(5) And (3) adding the mixture obtained in the step (4) into the reaction kettle obtained in the step (3), controlling the pressure of the reaction kettle to be 0.5-0.8MPa, stirring, heating to 200 ℃, stirring for 25min, rapidly cooling to 70 ℃, wherein the cooling rate is 5 ℃/min, pre-dispersing for 30min under the action of ultrasonic waves, stirring until no particles aggregate, and discharging to obtain the asparagus polyurea waterproof coating.
The brushing tests of the high-strength aspartic polyurea waterproof coating obtained in the embodiment 1-3 according to the preparation method in the embodiment 4 and the aspartic polyurea waterproof coating obtained in the comparative example 1-3 are carried out, the thickness of the coating is 1mm, the coating is in accordance with the group mark T/CWA204-2021 of 'polyaspartate waterproof coating' issued by the China Association for building waterproofing, and the detection results are shown in the following table:
the above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification, or any other related technical fields directly or indirectly, are included in the scope of the present invention.
Claims (10)
1. A high-strength asparagus polyurea waterproof coating is characterized in that: comprises the following components in parts by weight: 65-85 parts of asparagus polyurea, 32-38 parts of propylene glycol monomethyl ether acetate, 35-40 parts of polyethylene wax, 12-16 parts of phenolic resin, 10-12 parts of polysiloxane defoamer, 1-4 parts of toluene diisocyanate, 1-3 parts of heavy calcium carbonate, 4-6 parts of zinc oxide, 0.5-2 parts of isoprene rubber, 1.2-5 parts of organic bismuth, 20-25 parts of polyoxyethylene polyoxypropylene pentaerythritol ether, 20-24 parts of polyether polyol, 5-8 parts of wollastonite, 2-6 parts of silicon-containing hydrophobic agent, 6-12 parts of hydroxyl polybutadiene, 10-16 parts of silane coupling agent, 9-16 parts of oxazolidine reactive diluent and 6-10 parts of polyethylene glycol.
2. The high strength aspartic polyurea waterproofing coating according to claim 1, wherein: comprises the following components in parts by weight: 85 parts of asparagus polyurea, 38 parts of propylene glycol methyl ether acetate, 36 parts of polyethylene wax, 13 parts of phenolic resin, 11 parts of polysiloxane defoaming agent, 3 parts of toluene diisocyanate, 2 parts of heavy calcium carbonate, 5 parts of zinc oxide, 1.5 parts of isoprene rubber, 1.5 parts of organic bismuth, 23 parts of polyoxyethylene polyoxypropylene pentaerythritol ether, 22 parts of polyether polyol, 7 parts of wollastonite, 4 parts of silicon-containing hydrophobic agent, 8 parts of hydroxyl polybutadiene, 11 parts of silane coupling agent, 10 parts of oxazolidine reactive diluent and 9 parts of polyethylene glycol.
3. The high strength aspartic polyurea waterproofing coating according to claim 1, wherein: the organic bismuth is BICAT8118, wherein the bismuth content is 18%.
4. The high strength aspartic polyurea waterproofing coating according to claim 1, wherein: the silicon-containing hydrophobic agent is triethoxysilanol and/or silicon-containing polyether polyol.
5. The high strength aspartic polyurea waterproofing coating according to claim 1, wherein: the silane coupling agent is of the type kh550, the main component of the silane coupling agent is 3-aminopropyl triethoxysilane, the flash point is 104 ℃, and the content is more than or equal to 97%.
6. The high strength aspartic polyurea waterproofing coating according to claim 1, wherein: the polyether glycol is polyether glycol with a hydroxyl value of 54-60 mg KOH/g.
7. The high strength aspartic polyurea waterproofing coating according to claim 1, wherein: the hydroxyl polybutadiene has a number average molecular weight of 1000-3000 and an average functionality of 2-2.4.
8. A preparation method of high-strength asparagus polyurea waterproof paint is characterized by comprising the following steps: the method comprises the following steps:
(1) weighing the raw materials in parts by weight;
(2) taking the asparagus polyurea, the oxazolidine reactive diluent, the polyethylene glycol and the propylene glycol monomethyl ether acetate to be put in a closed reaction kettle, mixing uniformly, and then gradually raising the temperature;
(3) adding phenolic resin, a polysiloxane defoaming agent, polyoxyethylene polyoxypropylene pentaerythritol ether, polyether polyol, wollastonite and a silicon-containing hydrophobic agent into a reactor when the temperature reaches 100 ℃, stirring and controlling the temperature of the system to be less than 200 ℃, then sequentially adding hydroxyl polybutadiene and organic bismuth while stirring, controlling the adding time to be within 45min, and stirring for 20 min;
(4) taking polyethylene wax, toluene diisocyanate, zinc oxide and isoprene rubber, adding deionized water with the mass 2 times of the total mass, stirring and mixing uniformly at 1000r/min, keeping the temperature, cooling to 120 ℃, adding heavy calcium carbonate and a silane coupling agent, and stirring for 50min at 1000r/min to obtain a mixture;
(5) and (3) adding the mixture obtained in the step (4) into the reaction kettle obtained in the step (3), stirring, heating to 200 ℃, stirring for 25min, rapidly cooling to 70 ℃, cooling at the speed of 5 ℃/min, pre-dispersing for 30min under the action of ultrasonic waves, stirring until no particles are agglomerated, and discharging.
9. The high strength aspartic polyurea waterproofing coating according to claim 1, wherein: in the step (2), the pressure of the closed reaction kettle is controlled to be 0.20-0.30 MPa.
10. The high strength aspartic polyurea waterproofing coating according to claim 1, wherein: in the step (5), the pressure of the reaction kettle is controlled to be 0.5-0.8 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210070298.8A CN114507469A (en) | 2022-01-21 | 2022-01-21 | High-strength asparagus polyurea waterproof coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210070298.8A CN114507469A (en) | 2022-01-21 | 2022-01-21 | High-strength asparagus polyurea waterproof coating and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114507469A true CN114507469A (en) | 2022-05-17 |
Family
ID=81550609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210070298.8A Pending CN114507469A (en) | 2022-01-21 | 2022-01-21 | High-strength asparagus polyurea waterproof coating and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114507469A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115725218A (en) * | 2022-11-14 | 2023-03-03 | 广东台实实业有限公司 | Environment-friendly energy-saving waterborne epoxy floor coating and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999028125A1 (en) * | 1997-12-03 | 1999-06-10 | Innovative Coatings Corporation | Novel synthetic finishing and coating systems |
| WO2008153951A1 (en) * | 2007-06-06 | 2008-12-18 | E. I. Du Pont De Nemours And Company | A protective coating composition and a process for applying same |
| CN107474712A (en) * | 2017-08-18 | 2017-12-15 | 深圳飞扬骏研新材料股份有限公司 | A kind of asparagus fern polyurea waterproof coating material of high intensity and preparation method thereof |
| CN108300232A (en) * | 2017-09-29 | 2018-07-20 | 山东天汇防水股份有限公司 | High-strength polyurethane waterproof coating material and preparation method thereof |
| CN110128946A (en) * | 2018-03-13 | 2019-08-16 | 西牛皮防水科技有限公司 | Bi-component Rubber Modified Asphalt Waterproof Coating and its preparation method and application |
| CN110295005A (en) * | 2018-07-28 | 2019-10-01 | 潍坊市晨鸣新型防水材料有限公司 | A kind of high-strength polyurethane waterproof coating material and preparation method thereof |
-
2022
- 2022-01-21 CN CN202210070298.8A patent/CN114507469A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999028125A1 (en) * | 1997-12-03 | 1999-06-10 | Innovative Coatings Corporation | Novel synthetic finishing and coating systems |
| WO2008153951A1 (en) * | 2007-06-06 | 2008-12-18 | E. I. Du Pont De Nemours And Company | A protective coating composition and a process for applying same |
| CN107474712A (en) * | 2017-08-18 | 2017-12-15 | 深圳飞扬骏研新材料股份有限公司 | A kind of asparagus fern polyurea waterproof coating material of high intensity and preparation method thereof |
| CN108300232A (en) * | 2017-09-29 | 2018-07-20 | 山东天汇防水股份有限公司 | High-strength polyurethane waterproof coating material and preparation method thereof |
| CN110128946A (en) * | 2018-03-13 | 2019-08-16 | 西牛皮防水科技有限公司 | Bi-component Rubber Modified Asphalt Waterproof Coating and its preparation method and application |
| CN110295005A (en) * | 2018-07-28 | 2019-10-01 | 潍坊市晨鸣新型防水材料有限公司 | A kind of high-strength polyurethane waterproof coating material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115725218A (en) * | 2022-11-14 | 2023-03-03 | 广东台实实业有限公司 | Environment-friendly energy-saving waterborne epoxy floor coating and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107840626B (en) | Double-doped grouting material for road surface restoration and preparation method thereof | |
| CN111471155B (en) | Silane-terminated modified polyurethane resin, high-strength low-modulus modified polyurethane sealant and preparation method thereof | |
| CN109988538B (en) | Preparation method of solvent-free polyurethane adhesive | |
| CN110256994B (en) | High-adhesion silane modified polyether sealant for prefabricated building and preparation method thereof | |
| CN113354792B (en) | Low-viscosity high-permeability polyaspartic ester | |
| CN114507469A (en) | High-strength asparagus polyurea waterproof coating and preparation method thereof | |
| CN112521719B (en) | Water-based epoxy resin cement-based slurry, and preparation method and application thereof | |
| CN112143442A (en) | Water-resistant high-temperature-resistant mixed acrylate flexible ultraviolet curing adhesive and preparation method thereof | |
| CN106833503A (en) | A kind of single-component ketoxime removing type room temperature vulcanized silicone sealant of low modulus and preparation method thereof | |
| CN114085585A (en) | Basalt fiber modified polymer cement waterproof coating | |
| CN112574663A (en) | Environment-friendly weather-resistant modified single-component polyurethane waterproof coating and preparation method thereof | |
| CN111763298A (en) | Nano modified high-molecular polymer protective material, preparation method and application thereof | |
| CN113684003B (en) | Two-component room temperature vulcanized silicone rubber composition | |
| CN110845938B (en) | Toughening modified water-based epoxy resin waterproof coating and preparation method thereof | |
| CN112409911A (en) | Polyurethane waterproof coating capable of being used on wet base surface and preparation method thereof | |
| CN110937921A (en) | Method for improving seepage prevention and freeze thawing resistance of concrete surface by using water-based waterproof agent | |
| CN105385333A (en) | Ultraviolet curing coating and preparation method thereof | |
| CN116200155A (en) | Single-component epoxy structural adhesive for nickel metal bonding and preparation method thereof | |
| CN113265222B (en) | Polymer moisture-proof fireproof plugging composite material and use method thereof | |
| CN108997964B (en) | Water-blocking oxygen-blocking adhesive, and preparation method and use method thereof | |
| CN113652182A (en) | Macromolecule butyl self-adhesive waterproof coiled material and preparation method thereof | |
| CN102634262B (en) | Modified epoxy ballast tank paint | |
| CN115449337B (en) | Cleaning agent corrosion-resistant silicone structural adhesive and preparation method thereof | |
| CN115895430B (en) | Water-based composite resin bi-component polyurethane waterproof coating | |
| CN116285559B (en) | Water-based preservative applied to neodymium-iron-boron chamfering corrosion prevention and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220517 |
|
| RJ01 | Rejection of invention patent application after publication |