CN115785709A - Composite waterproof material and blending method thereof - Google Patents
Composite waterproof material and blending method thereof Download PDFInfo
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- CN115785709A CN115785709A CN202211662722.4A CN202211662722A CN115785709A CN 115785709 A CN115785709 A CN 115785709A CN 202211662722 A CN202211662722 A CN 202211662722A CN 115785709 A CN115785709 A CN 115785709A
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- 239000000463 material Substances 0.000 title claims abstract description 85
- 239000002131 composite material Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims description 16
- 238000002156 mixing Methods 0.000 title claims description 12
- 239000000843 powder Substances 0.000 claims abstract description 51
- 239000000839 emulsion Substances 0.000 claims abstract description 42
- 239000000203 mixture Substances 0.000 claims abstract description 32
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 32
- 229920005989 resin Polymers 0.000 claims abstract description 29
- 239000011347 resin Substances 0.000 claims abstract description 29
- 229920002635 polyurethane Polymers 0.000 claims abstract description 27
- 239000004814 polyurethane Substances 0.000 claims abstract description 27
- 239000004593 Epoxy Substances 0.000 claims abstract description 26
- 239000004568 cement Substances 0.000 claims abstract description 25
- 235000013871 bee wax Nutrition 0.000 claims abstract description 20
- 239000012166 beeswax Substances 0.000 claims abstract description 20
- 239000012188 paraffin wax Substances 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 239000011159 matrix material Substances 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims abstract description 6
- 239000003094 microcapsule Substances 0.000 claims description 49
- 239000004816 latex Substances 0.000 claims description 24
- 229920000126 latex Polymers 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 23
- 239000004094 surface-active agent Substances 0.000 claims description 23
- 239000011521 glass Substances 0.000 claims description 17
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 14
- 239000011118 polyvinyl acetate Substances 0.000 claims description 14
- 239000011324 bead Substances 0.000 claims description 11
- 229920001558 organosilicon polymer Polymers 0.000 claims description 11
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 claims description 6
- 239000004005 microsphere Substances 0.000 claims description 6
- 229920005646 polycarboxylate Polymers 0.000 claims description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- 229920005573 silicon-containing polymer Polymers 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-M octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC([O-])=O QIQXTHQIDYTFRH-UHFFFAOYSA-M 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 3
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 239000004567 concrete Substances 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 6
- 238000002360 preparation method Methods 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 239000000701 coagulant Substances 0.000 abstract description 3
- 230000037303 wrinkles Effects 0.000 abstract description 3
- 239000012466 permeate Substances 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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- Curing Cements, Concrete, And Artificial Stone (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a composite waterproof material and a preparation method thereof, wherein the composite waterproof material comprises a waterproof material formula and a corresponding preparation method, wherein the waterproof material formula comprises a mixture of paraffin, beeswax and nano cement-based powder as a matrix material of the waterproof material, and a material mixture of polyacrylate emulsion, epoxy modified resin and the like as a blended emulsion; the polyurethane is modified by the polyacrylate emulsion to improve the flexibility of resin, and then the polyurethane modified polyacrylate emulsion is fully mixed with the penetrating agent and the nano cement-based powder, so that the penetrating capability of the mixture is effectively improved, the polyurethane modified polyacrylate emulsion is convenient to permeate into a concrete base after construction, and then the polyurethane modified polyacrylate emulsion is cured under the action of the slow-release low-temperature coagulant, so that the bonding strength of the waterproof material and the concrete base material is effectively improved, and the problems that a composite waterproof coating is easy to wrinkle and crack a film layer due to overhigh temperature, the film speed is slow due to overlow temperature and the like in the prior art are solved.
Description
Technical Field
The invention belongs to the technical field of composite waterproof materials, and particularly relates to a composite waterproof material and a blending method thereof.
Background
With the continuous progress of modern life and the continuous improvement of living standard, the increasing of waterproof engineering of roofs, basements, toilets and the like of industrial and civil buildings and the increasing of waterproof engineering of roof gardens, roads, bridges, tunnels, parking lots, swimming pools and the like gradually become the focus of attention of people. At present, the waterproof material is mainly asphalt-based waterproof material, and accounts for 65% of the whole waterproof material, the macromolecular waterproof coiled material accounts for about 15%, and other waterproof materials account for about 20%. The waterproof material developed and used at present is a lot of waterproof materials, and generally can be divided into two categories, namely a flexible waterproof material and a rigid waterproof material. The traditional flexible waterproof materials such as high polymer coiled materials and coatings have the advantages of flexibility, convenient construction and the like, but have weak bonding force with base surface concrete, can not be used particularly under the condition that the base surface is wet or has water seepage, and are not suitable for waterproofing of a back water surface and a wet base surface. On the other hand, the flexible waterproof material is a high polymer and is easy to age, decompose and degrade, so that the service life of the flexible waterproof material is shorter than that of a rigid waterproof material. Meanwhile, most of flexible waterproof materials are harmful to the environment and cannot be used as green building materials.
In recent years, a composite waterproof material which is developed very rapidly is a waterproof material compounded by an organic liquid material and an inorganic powder material, has the advantages of both high elasticity of the organic material and durability of the inorganic material, and can form a high-elasticity and high-strength waterproof coating after coating.
Disclosure of Invention
The present invention aims to provide a composite waterproof material and a blending method thereof, so as to solve the problems in the prior art in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the composite waterproof material comprises the following components in parts by weight: 29.6 to 46.3 portions of paraffin; 10.4-16.3 parts of beeswax; 6.4-10.0 parts of organic silicon polymer; 8-12.5 parts of polyvinyl acetate; 9.6 to 15.0 portions of polyacrylate emulsion; 12-18.8 parts of epoxy modified resin; 2.4-3.8 parts of glass beads; 4-6.3 parts of curing microcapsules; 4.8-7.5 parts of self-repairing microcapsules; 9.6 to 15.0 portions of polyurethane; 3.2-5.0 parts of penetrant; 80-125.0 parts of nano cement-based powder; 40-62.5 parts of redispersible latex powder; 2.4 to 3.8 portions of surfactant.
Further, the composite waterproof material comprises the following formula in parts by weight: 29.6 parts of paraffin; 10.4 parts of beeswax; 6.4 parts of a silicone polymer; 8 parts of polyvinyl acetate; 9.6 parts of polyacrylate emulsion; 12 parts of epoxy modified resin; 2.4 parts of glass beads; 4 parts of curing microcapsules; 4.8 parts of self-repairing microcapsules; 9.6 parts of polyurethane; 3.2 parts of a penetrating agent; 80 parts of nano cement-based powder; 40 parts of redispersible latex powder; and 2.4 parts of a surfactant.
Further, the composite waterproof material comprises the following formula in parts by mass: 37 parts of paraffin; 13 parts of beeswax; 8 parts of a silicone polymer; 10 parts of polyvinyl acetate; 12 parts of polyacrylate emulsion; 15 parts of epoxy modified resin; 3 parts of glass beads; 5 parts of curing microcapsule; 6 parts of self-repairing microcapsules; 12 parts of polyurethane; 4 parts of a penetrating agent; 100 parts of nano cement-based powder; 50 parts of redispersible latex powder; and 3 parts of a surfactant.
Further, the composite waterproof material comprises the following formula in parts by weight: 46.3 parts of paraffin; 16.3 parts of beeswax; 10.0 parts of organosilicon polymer; 12.5 parts of polyvinyl acetate; 15.0 parts of polyacrylate emulsion; 18.8 parts of epoxy modified resin; 3.8 parts of glass beads; 6.3 parts of cured microcapsules; 7.5 parts of self-repairing microcapsules; 15.0 parts of polyurethane; 5.0 parts of a penetrating agent; 125.0 parts of nano cement-based powder; 62.5 parts of redispersible latex powder; 3.8 parts of a surfactant.
Furthermore, the penetrant is set to be fatty alcohol-polyoxyethylene ether, the waterproof material is damaged under the action of external force, the nano cement-based powder is damaged, the outer walls of the self-repairing microcapsule and the curing microcapsule are damaged, the self-repairing microcapsule releases epoxy resin, the curing microcapsule releases m-xylylenediamine, the m-xylylenediamine can cure the epoxy resin at normal temperature to repair gaps, and the intermediate contained in the outer wall of the self-repairing microcapsule and the maleimide functionalized silicone oil can form a self-repairing group.
Further, the surfactant comprises polycarboxylate, polyethylene glycol and stearate, and the surfactant comprises the following components in parts by weight: polycarboxylate salt: polyethylene glycol: octadecanoate = 6-8: 15-20: 70-80, and the viscosity of the redispersible latex powder is 500-1300 mPa.
The invention also provides a preparation method of the composite waterproof material, which comprises the following steps:
weighing and proportioning paraffin, beeswax, an organic silicon polymer, polyvinyl acetate, polyacrylate emulsion, epoxy modified resin, glass microspheres, cured microcapsules, self-repairing microcapsules, polyurethane, a penetrating agent, nano cement-based powder, redispersible latex powder and a surfactant according to a formula of the composite waterproof material;
selecting a mixture of paraffin, beeswax and nano cement-based powder as a matrix material of the waterproof material, and selecting a mixture of polyacrylate emulsion, epoxy modified resin, polyurethane and redispersible latex powder as a blend emulsion; the mixture of polyacrylate emulsion, epoxy modified resin and redispersible emulsion powder is adopted to carry out mixed wrapping operation on the glass microspheres, the cured microcapsules and the self-repairing microcapsules;
after the waterproof material base material and the blended emulsion are mixed, adding the organic silicon polymer, the penetrating agent and the surfactant for uniform stirring and mixing, controlling the temperature to rise, then continuously stirring, controlling the temperature to maintain for a period of time, then cooling to the normal temperature, and continuously stirring to obtain the composite waterproof material.
Furthermore, the epoxy modified resin is low molecular epoxy resin with the molecular weight of 200-400.
Further, controlling the temperature rise and then continuously stirring, wherein the temperature rise process is that the temperature is gradually increased to 130-150 ℃ from the normal temperature, the stirring time in the process is 8-10h, the temperature is controlled to be maintained for a period of time and then is reduced to the normal temperature for continuously stirring, the stirring time in the process is 3-5h, and the stirring speed of a stirring device for preparing and mixing the waterproof material matrix material is set to be 500-800r/min.
The invention has the technical effects and advantages that: compared with the prior art, the composite waterproof material and the preparation method thereof provided by the invention have the following advantages:
the invention provides a formula of a waterproof material taking a mixture of paraffin, beeswax and nano cement-based powder as a base material of the waterproof material and a mixture of polyacrylate emulsion, epoxy modified resin, polyurethane and redispersible latex powder as a blended emulsion, and also provides a corresponding blending method of the waterproof material; the polyurethane is modified by the polyacrylate emulsion to improve the flexibility and tensile resistance of the resin, and the polyacrylate emulsion modified by the polyurethane is fully mixed with the penetrant and the nano cement-based powder, so that the permeability of the mixture is effectively improved, the mixture is convenient to infiltrate into a concrete matrix after construction, and then the mixture is cured under the action of the slow-release low-temperature coagulant, so that the bonding strength of the waterproof material and the concrete base material is effectively improved, and the problems that a film layer is easy to wrinkle and crack due to overhigh temperature, the film speed is slow due to overlow temperature and the like in the composite waterproof coating in the prior art are solved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
FIG. 1 is a schematic flow chart of a method for preparing the composite waterproof material 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. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. 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.
The invention provides example 1 as shown in figure 1:
the composite waterproof material comprises the following components in parts by weight: 29.6 parts of paraffin; 10.4 parts of beeswax; 6.4 parts of a silicone polymer; 8 parts of polyvinyl acetate; 9.6 parts of polyacrylate emulsion; 12 parts of epoxy modified resin; 2.4 parts of glass beads; 4 parts of cured microcapsule; 4.8 parts of self-repairing microcapsules; 9.6 parts of polyurethane; 3.2 parts of a penetrating agent; 80 parts of nano cement-based powder; 40 parts of redispersible latex powder; and 2.4 parts of a surfactant.
The penetrant is fatty alcohol-polyoxyethylene ether, the waterproof material is damaged under the action of external force, the self-repairing microcapsule and the outer wall of the curing microcapsule are damaged, the self-repairing microcapsule releases epoxy resin, the curing microcapsule releases m-xylylenediamine, the m-xylylenediamine can cure the epoxy resin at normal temperature to repair gaps, and the intermediate contained in the outer wall of the self-repairing microcapsule and maleimide functionalized silicone oil can form a self-repairing group.
The surfactant comprises polycarboxylate, polyethylene glycol and stearate, and the surfactant comprises the following components in parts by weight: polycarboxylate salt: polyethylene glycol: octadecanoate = 6-8: 15-20: 70-80, and the viscosity of the redispersible latex powder is 500-1300 mPa.
The invention also provides a preparation method of the composite waterproof material, which comprises the following steps:
weighing and proportioning paraffin wax, beeswax, an organic silicon polymer, polyvinyl acetate, polyacrylate emulsion, epoxy modified resin, glass microspheres, cured microcapsules, self-repairing microcapsules, polyurethane, a penetrating agent, nano cement-based powder, re-dispersible latex powder and a surfactant according to the formula of the composite waterproof material;
selecting a mixture of paraffin, beeswax and nano cement-based powder as a matrix material of a waterproof material, and selecting a mixture of polyacrylate emulsion, epoxy modified resin, polyurethane and redispersible latex powder as a blend emulsion; the method comprises the following steps of performing mixed wrapping operation on glass microspheres, cured microcapsules and self-repairing microcapsules by adopting a mixture of polyacrylate emulsion, epoxy modified resin and redispersible latex powder;
and after the waterproof material base material and the blended emulsion are mixed, adding the organic silicon polymer, the penetrating agent and the surfactant into the mixture to be uniformly stirred and mixed, controlling the temperature to rise, then continuously stirring the mixture, controlling the temperature to maintain for a period of time, then cooling the mixture to the normal temperature, and continuously stirring the mixture to obtain the composite waterproof material.
The epoxy modified resin is low molecular epoxy resin with the molecular weight of 200-400; controlling the temperature to rise gradually from the normal temperature to 130-150 ℃, stirring for 8-10h, controlling the temperature to maintain for a period of time, then cooling to the normal temperature, and continuing stirring, wherein the stirring time is 3-5h, and the stirring speed of the stirring equipment for preparing and mixing the waterproof material matrix material is set to be 500-800r/min.
Example 2: different from the embodiment 1, the composite waterproof material comprises the following components in parts by weight: 37 parts of paraffin; 13 parts of beeswax; 8 parts of a silicone polymer; 10 parts of polyvinyl acetate; 12 parts of polyacrylate emulsion; 15 parts of epoxy modified resin; 3 parts of glass beads; 5 parts of curing microcapsules; 6 parts of self-repairing microcapsules; 12 parts of polyurethane; 4 parts of a penetrating agent; 100 parts of nano cement-based powder; 50 parts of redispersible latex powder; and 3 parts of a surfactant.
Example 3: different from the embodiment 1, the composite waterproof material comprises the following components in parts by weight: 46.3 parts of paraffin; 16.3 parts of beeswax; 10.0 parts of organosilicon polymer; 12.5 parts of polyvinyl acetate; 15.0 parts of polyacrylate emulsion; 18.8 parts of epoxy modified resin; 3.8 parts of glass beads; 6.3 parts of curing microcapsules; 7.5 parts of self-repairing microcapsules; 15.0 parts of polyurethane; 5.0 parts of a penetrating agent; 125.0 parts of nano cement-based powder; 62.5 parts of redispersible latex powder; 3.8 parts of a surfactant.
In conclusion, the invention provides a formula of the waterproof material which takes the mixture of paraffin, beeswax and nano cement-based powder as the matrix material of the waterproof material and takes the mixture of polyacrylate emulsion, epoxy modified resin, polyurethane and redispersible latex powder as the blended emulsion, and also provides a corresponding preparation method of the waterproof material; the polyurethane is modified by the polyacrylate emulsion to improve the flexibility and tensile resistance of the resin, and the polyacrylate emulsion modified by the polyurethane is fully mixed with the penetrating agent and the nano cement-based powder, so that the penetrating capability of the mixture is effectively improved, the polyacrylate emulsion is convenient to infiltrate into a concrete base after construction, and the mixture is cured under the action of the slow-release low-temperature coagulant, so that the bonding strength of the waterproof material and the concrete base material is effectively improved, and the problems that a composite waterproof coating is easy to wrinkle and crack a film layer due to overhigh temperature, and the film speed is slow due to overlow temperature in the prior art are solved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The composite waterproof material is characterized by comprising the following components in parts by weight: 29.6 to 46.3 portions of paraffin; 10.4-16.3 parts of beeswax; 6.4-10.0 parts of organic silicon polymer; 8-12.5 parts of polyvinyl acetate; 9.6 to 15.0 portions of polyacrylate emulsion; 12-18.8 parts of epoxy modified resin; 2.4-3.8 parts of glass beads; 4-6.3 parts of curing microcapsules; 4.8-7.5 parts of self-repairing microcapsules; 9.6-15.0 parts of polyurethane; 3.2-5.0 parts of penetrant; 80-125.0 parts of nano cement-based powder; 40-62.5 parts of redispersible latex powder; 2.4-3.8 parts of a surfactant.
2. A composite waterproof material according to claim 1, characterized in that: the composite waterproof material comprises the following components in parts by weight: 29.6 parts of paraffin; 10.4 parts of beeswax; 6.4 parts of a silicone polymer; 8 parts of polyvinyl acetate; 9.6 parts of polyacrylate emulsion; 12 parts of epoxy modified resin; 2.4 parts of glass beads; 4 parts of curing microcapsules; 4.8 parts of self-repairing microcapsules; 9.6 parts of polyurethane; 3.2 parts of a penetrating agent; 80 parts of nano cement-based powder; 40 parts of redispersible latex powder; and 2.4 parts of a surfactant.
3. A composite waterproof material according to claim 1, wherein: the composite waterproof material comprises the following components in parts by weight: 37 parts of paraffin; 13 parts of beeswax; 8 parts of a silicone polymer; 10 parts of polyvinyl acetate; 12 parts of polyacrylate emulsion; 15 parts of epoxy modified resin; 3 parts of glass beads; 5 parts of curing microcapsule; 6 parts of self-repairing microcapsules; 12 parts of polyurethane; 4 parts of a penetrating agent; 100 parts of nano cement-based powder; 50 parts of redispersible latex powder; and 3 parts of a surfactant.
4. A composite waterproof material according to claim 1, wherein: the composite waterproof material comprises the following components in parts by weight: 46.3 parts of paraffin; 16.3 parts of beeswax; 10.0 parts of organic silicon polymer; 12.5 parts of polyvinyl acetate; 15.0 parts of polyacrylate emulsion; 18.8 parts of epoxy modified resin; 3.8 parts of glass beads; 6.3 parts of curing microcapsules; 7.5 parts of self-repairing microcapsules; 15.0 parts of polyurethane; 5.0 parts of a penetrating agent; 125.0 parts of nano cement-based powder; 62.5 parts of redispersible latex powder; 3.8 parts of a surfactant.
5. A composite waterproof material according to claim 1, wherein: the penetrant is fatty alcohol-polyoxyethylene ether, the waterproof material is damaged under the action of external force, the nano cement-based powder is damaged, the outer walls of the self-repairing microcapsule and the curing microcapsule are damaged, the self-repairing microcapsule releases epoxy resin, the curing microcapsule releases m-xylylenediamine, the m-xylylenediamine can cure the epoxy resin at normal temperature to repair gaps, and the intermediate contained in the outer wall of the self-repairing microcapsule and maleimide functionalized silicone oil can form a self-repairing group.
6. A composite waterproof material according to claim 5, characterized in that: the surfactant comprises polycarboxylate, polyethylene glycol and stearate, and the surfactant comprises the following components in parts by weight: polycarboxylate salts: polyethylene glycol: octadecanoate = 6-8: 15-20: 70-80, and the viscosity of the redispersible latex powder is 500-1300 mPa · s.
7. The blending method of the composite waterproof material according to claim 1, comprising the following steps:
weighing and proportioning paraffin wax, beeswax, an organic silicon polymer, polyvinyl acetate, polyacrylate emulsion, epoxy modified resin, glass microspheres, cured microcapsules, self-repairing microcapsules, polyurethane, a penetrating agent, nano cement-based powder, re-dispersible latex powder and a surfactant according to the formula of the composite waterproof material;
selecting a mixture of paraffin, beeswax and nano cement-based powder as a matrix material of the waterproof material, and selecting a mixture of polyacrylate emulsion, epoxy modified resin, polyurethane and redispersible latex powder as a blend emulsion; the method comprises the following steps of performing mixed wrapping operation on glass microspheres, cured microcapsules and self-repairing microcapsules by adopting a mixture of polyacrylate emulsion, epoxy modified resin and redispersible latex powder;
and after the waterproof material base material and the blended emulsion are mixed, adding the organic silicon polymer, the penetrating agent and the surfactant into the mixture to be uniformly stirred and mixed, controlling the temperature to rise, then continuously stirring the mixture, controlling the temperature to maintain for a period of time, then cooling the mixture to the normal temperature, and continuously stirring the mixture to obtain the composite waterproof material.
8. The blending method of the composite waterproof material according to claim 7, wherein the blending method comprises the following steps: the epoxy modified resin is low molecular epoxy resin with molecular weight of 200-400.
9. A method for preparing a composite waterproof material according to claim 8, wherein the method comprises the following steps: controlling the temperature to rise gradually from the normal temperature to 130-150 ℃, stirring for 8-10h, controlling the temperature to maintain for a period of time, then cooling to the normal temperature, and continuing stirring, wherein the stirring time is 3-5h, and the stirring speed of the stirring equipment for preparing and mixing the waterproof material matrix material is set to be 500-800r/min.
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| CN1278569A (en) * | 2000-06-27 | 2001-01-03 | 华东理工大学 | Composite waterproof material for fabric and leather |
| CN107540304A (en) * | 2017-08-17 | 2018-01-05 | 科顺防水科技股份有限公司 | A kind of composite cement base osmotic crystalline waterproof material |
| CN110467851A (en) * | 2018-05-09 | 2019-11-19 | 陈磊 | Polymeric water repellent material for building |
| CN111592827A (en) * | 2020-05-25 | 2020-08-28 | 潍坊石花化工建材有限公司 | High-strength nanoscale polymer cement waterproof coating and preparation method thereof |
| CN112358831A (en) * | 2020-10-24 | 2021-02-12 | 湖南圣人防水材料有限公司 | Method for improving adhesive property of composite waterproof material |
| CN113527900A (en) * | 2021-08-09 | 2021-10-22 | 深圳润符新材料科技有限公司 | High-performance composite waterproof material and preparation method thereof |
-
2022
- 2022-12-23 CN CN202211662722.4A patent/CN115785709A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1278569A (en) * | 2000-06-27 | 2001-01-03 | 华东理工大学 | Composite waterproof material for fabric and leather |
| CN107540304A (en) * | 2017-08-17 | 2018-01-05 | 科顺防水科技股份有限公司 | A kind of composite cement base osmotic crystalline waterproof material |
| CN110467851A (en) * | 2018-05-09 | 2019-11-19 | 陈磊 | Polymeric water repellent material for building |
| CN111592827A (en) * | 2020-05-25 | 2020-08-28 | 潍坊石花化工建材有限公司 | High-strength nanoscale polymer cement waterproof coating and preparation method thereof |
| CN112358831A (en) * | 2020-10-24 | 2021-02-12 | 湖南圣人防水材料有限公司 | Method for improving adhesive property of composite waterproof material |
| CN113527900A (en) * | 2021-08-09 | 2021-10-22 | 深圳润符新材料科技有限公司 | High-performance composite waterproof material and preparation method thereof |
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Application publication date: 20230314 |