CN114230252A - Self-compacting temperature-inhibiting waterproof composite material and preparation method thereof - Google Patents
Self-compacting temperature-inhibiting waterproof composite material and preparation method thereof Download PDFInfo
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- CN114230252A CN114230252A CN202111624370.9A CN202111624370A CN114230252A CN 114230252 A CN114230252 A CN 114230252A CN 202111624370 A CN202111624370 A CN 202111624370A CN 114230252 A CN114230252 A CN 114230252A
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- composite powder
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
Abstract
The invention relates to the technical field of waterproof composite materials, and discloses a self-compacting temperature-inhibiting waterproof composite material, which comprises anti-crack fibers and composite powder, wherein the weight ratio of the anti-crack fibers to the composite powder is 2: 3, wherein the anti-crack fiber and the composite powder comprise 20-30 parts of the anti-crack fiber and 40-60 parts of the composite powder according to parts by weight. The self-compacting temperature-inhibiting waterproof composite material and the preparation method thereof are characterized in that the composite material is composed of anti-cracking fibers and composite powder, wherein the anti-cracking fibers comprise one or two of polyester fibers, polypropylene fibers, polyethylene glycol fibers and polyacrylonitrile fibers, the composite powder comprises a component for reducing cement hydration heat, a silane waterproof agent, a nanometer material compacting and reinforcing component, an activated cementing material active component, a water-retaining internal curing component, a coupling agent component, an expansion component, a water reducing agent and a shrinkage reducing agent, and the composite material can play a role in avoiding or reducing concrete structure cracking and improving waterproof performance and impermeability.
Description
Technical Field
The invention relates to the technical field of waterproof composite materials, in particular to a self-compacting temperature-inhibiting waterproof composite material and a preparation method thereof.
Background
Along with the high-speed development of national economy of China, the rapid development of the building industry is driven, a plurality of problems are brought simultaneously, particularly the problem of building leakage which troubles the building industry is directly related to the quality of buildings, in recent years, basements of high-rise buildings are important waterproof parts, in addition, high waterproof capacity is needed for subways, tunnels, mines, civil air defense projects, underground sidewalks and the like, but concrete is a non-homogeneous material and has a plurality of pores inside, cement can be deformed during hardening, and the evaporation of excessive water can leave pores inside the concrete, so that the self-permeation resistance of common concrete is poor.
Along with the development of the building industry, the development and application of various waterproof coatings are rapidly developed, higher requirements are provided for the quality and performance of the building waterproof coatings, the existing waterproof composite materials on the market at present have the defect of poor waterproof and anti-permeability effects, and in the using process, the traditional building anti-seepage materials mainly adopt modified asphalt and non-woven fabrics as raw materials, so that the construction operation is complex, the anti-cracking performance is poor, the tensile strength is low, the waterproof requirement of a high-quality building cannot be met, the waterproof and anti-permeability effects are poor, and the use is inconvenient.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a self-compacting temperature-inhibiting waterproof composite material and a preparation method thereof, which have the advantages of good waterproof and anti-permeability effects and the like, and solve the problem of poor waterproof and anti-permeability effects of the existing waterproof composite material.
(II) technical scheme
In order to achieve the purpose of good waterproof and anti-permeability effects, the invention provides the following technical scheme: a self-compacting temperature-inhibiting waterproof composite material comprises anti-crack fibers and composite powder, wherein the weight ratio of the anti-crack fibers to the composite powder is 2: 3, wherein the anti-crack fiber and the composite powder comprise 20-30 parts of the anti-crack fiber and 40-60 parts of the composite powder and 10-20 parts of the composite powder according to parts by weight.
Preferably, the composite material comprises anti-crack fibers and composite powder, wherein the weight ratio of the anti-crack fibers to the composite powder is 2: and 3, wherein the anti-crack fiber and the composite powder comprise 20 parts of the anti-crack fiber and 40 parts of the composite powder by weight and 10 parts of the composite powder.
Preferably, the composite material comprises anti-crack fibers and composite powder, wherein the weight ratio of the anti-crack fibers to the composite powder is 2: and 3, wherein the anti-crack fiber and the composite powder comprise 25 parts by weight of anti-crack fiber and 50 parts by weight of composite powder and 15 parts by weight of composite powder.
Preferably, the composite material comprises anti-crack fibers and composite powder, wherein the weight ratio of the anti-crack fibers to the composite powder is 2: 3, wherein the anti-crack fiber and the composite powder comprise 30 parts of the anti-crack fiber and 60 parts of the composite powder by weight and 20 parts of the composite powder by weight.
Preferably, the anti-crack fiber comprises one or two of polyester fiber, polypropylene fiber, polyethylene glycol fiber and polyacrylonitrile fiber.
Preferably, the composite powder comprises a component for reducing cement hydration heat, a silane waterproof agent, a nano material compaction reinforcing component, an activated cementing material activating component, a water-retention internal curing component, a coupling agent component, an expansion component, a water reducing agent and a shrinkage reducing agent.
The invention aims to solve another technical problem of providing a preparation method of a self-compacting temperature-inhibiting waterproof composite material, which comprises the following steps:
1) preparing materials: selecting 20-30 parts of anti-crack fibers, simultaneously selecting a component for reducing cement hydration heat, a silane waterproof agent, a nano material compaction reinforcing component, an activated cementing material active component, a water-retention internal curing component, a coupling agent component, an expansion component, a water reducing agent and a shrinkage reducing agent, and mechanically mixing the materials to obtain 40-60 parts of composite powder;
2) primary stirring: stirring 20-30 parts of anti-crack fiber and 40-60 parts of composite powder in a stirrer for 5-10 min;
3) and (3) secondary stirring: continuously stirring the materials in a stirrer for 10-15min, heating the materials at 50-60 ℃ until the kinematic viscosity and the pour point reach the standard, preserving the heat of the whole body, and cooling to obtain the composite material.
(III) advantageous effects
Compared with the prior art, the invention provides a self-compacting temperature-inhibiting waterproof composite material and a preparation method thereof, and the self-compacting temperature-inhibiting waterproof composite material has the following beneficial effects:
1. the self-compacting temperature-inhibiting waterproof composite material and the preparation method thereof are characterized in that the composite material is composed of anti-cracking fibers and composite powder, wherein the anti-cracking fibers comprise one or two of polyester fibers, polypropylene fibers, polyethylene glycol fibers and polyacrylonitrile fibers, the composite powder comprises a component for reducing cement hydration heat, a silane waterproof agent, a nanometer material compacting and reinforcing component, an activated cementing material active component, a water-retaining internal curing component, a coupling agent component, an expansion component, a water reducing agent and a shrinkage reducing agent, and the composite material can play a role in avoiding or reducing concrete structure cracking and improving waterproof performance and impermeability.
2. According to the self-compacting temperature-inhibiting waterproof composite material and the preparation method thereof, the anti-cracking fiber and the composite powder are prepared through material preparation, primary stirring and secondary stirring, so that the composite material is obtained, the preparation method is simple and efficient, the yield is high, and the industrial production is facilitated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
The first embodiment is as follows: a self-compacting temperature-inhibiting waterproof composite material comprises anti-crack fibers and composite powder, wherein the weight ratio of the anti-crack fibers to the composite powder is 2: and 3, wherein the anti-crack fiber and the composite powder comprise 20 parts by weight of anti-crack fiber and 40 parts by weight of composite powder, the anti-crack fiber comprises one or two of polyester fiber, polypropylene fiber, polyethylene glycol fiber and polyacrylonitrile fiber, and the composite powder comprises a component for reducing hydration heat of cement, a silane waterproof agent, a nanometer material compaction reinforcing component, an activated cementing material active component, a water-retention internal curing component, a coupling agent component, an expansion component, a water reducing agent and a shrinkage reducing agent.
The invention aims to solve another technical problem of providing a preparation method of a self-compacting temperature-inhibiting waterproof composite material, which comprises the following steps:
1) preparing materials: selecting 20 parts of anti-crack fibers, simultaneously selecting a component for reducing cement hydration heat, a silane waterproof agent, a nano material compaction reinforcing component, an activated cementing material active component, a water-retention internal curing component, a coupling agent component, an expansion component, a water reducing agent and a shrinkage reducing agent, and mechanically mixing the materials to obtain 40 parts of composite powder;
2) primary stirring: stirring 20 parts of anti-crack fiber and 40 parts of composite powder in a stirrer for 5 min;
3) and (3) secondary stirring: continuously stirring the materials in a stirrer for 10min, heating the materials at 50 ℃ until the kinematic viscosity and the pour point reach the standard, preserving the heat of the whole body, and cooling to obtain the composite material.
Example two: a self-compacting temperature-inhibiting waterproof composite material comprises anti-crack fibers and composite powder, wherein the weight ratio of the anti-crack fibers to the composite powder is 2: and 3, wherein the anti-crack fiber and the composite powder comprise 25 parts by weight of anti-crack fiber and 50 parts by weight of composite powder, the anti-crack fiber comprises one or two of polyester fiber, polypropylene fiber, polyethylene glycol fiber and polyacrylonitrile fiber, and the composite powder comprises a component for reducing hydration heat of cement, a silane waterproof agent, a nanometer material compaction reinforcing component, an activated cementing material active component, a water-retention internal curing component, a coupling agent component, an expansion component, a water reducing agent and a shrinkage reducing agent.
The invention aims to solve another technical problem of providing a preparation method of a self-compacting temperature-inhibiting waterproof composite material, which comprises the following steps:
1) preparing materials: selecting 25 parts of anti-crack fibers, simultaneously selecting a component for reducing cement hydration heat, a silane waterproof agent, a nano material compaction reinforcing component, an activated cementing material active component, a water-retention internal curing component, a coupling agent component, an expansion component, a water reducing agent and a shrinkage reducing agent, and mechanically mixing the materials to obtain 50 parts of composite powder;
2) primary stirring: stirring 25 parts of anti-crack fiber and 50 parts of composite powder in a stirrer for 8 min;
3) and (3) secondary stirring: continuously stirring the materials in a stirrer for 12min, heating the materials at 55 ℃ until the kinematic viscosity and the pour point reach the standard, preserving the heat of the whole body, and cooling to obtain the composite material.
Example three: a self-compacting temperature-inhibiting waterproof composite material comprises anti-crack fibers and composite powder, wherein the weight ratio of the anti-crack fibers to the composite powder is 2: and 3, wherein the anti-crack fiber and the composite powder comprise 30 parts by weight of anti-crack fiber and 60 parts by weight of composite powder, the anti-crack fiber comprises one or two of polyester fiber, polypropylene fiber, polyethylene glycol fiber and polyacrylonitrile fiber, and the composite powder comprises a component for reducing hydration heat of cement, a silane waterproof agent, a nanometer material compaction reinforcing component, an activated cementing material active component, a water-retention internal curing component, a coupling agent component, an expansion component, a water reducing agent and a shrinkage reducing agent.
The invention aims to solve another technical problem of providing a preparation method of a self-compacting temperature-inhibiting waterproof composite material, which comprises the following steps:
1) preparing materials: selecting 30 parts of anti-crack fibers, simultaneously selecting a component for reducing cement hydration heat, a silane waterproof agent, a nano material compaction reinforcing component, an activated cementing material active component, a water-retention internal curing component, a coupling agent component, an expansion component, a water reducing agent and a shrinkage reducing agent, and mechanically mixing the materials to obtain 60 parts of composite powder;
2) primary stirring: stirring 30 parts of anti-crack fiber and 60 parts of composite powder in a stirrer for 10 min;
3) and (3) secondary stirring: continuously stirring the materials in a stirrer for 15min, heating the materials at 60 ℃ until the kinematic viscosity and the pour point reach the standard, preserving the heat of the whole body, and cooling to obtain the composite material.
The invention has the beneficial effects that:
the composite material is composed of anti-crack fibers and composite powder, wherein the anti-crack fibers comprise one or two of polyester fibers, polypropylene fibers, polyethylene glycol fibers and polyacrylonitrile fibers, the composite powder comprises a component for reducing hydration heat of cement, a silane waterproof agent, a nano material compaction reinforcing component, an activated cementing material active component, a water-retention internal curing component, a coupling agent component, an expansion component, a water reducing agent and a shrinkage reducing agent, and the composite material can play a role in avoiding or reducing cracking of a concrete structure and improving the waterproof performance and the impermeability.
And the anti-crack fiber and the composite powder are prepared by material preparation, primary stirring and secondary stirring, so that the composite material is obtained, the preparation method is simple and efficient, the yield is high, and the industrial production is facilitated.
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 (7)
1. The self-compacting temperature-inhibiting waterproof composite material is characterized by comprising anti-crack fibers and composite powder, wherein the weight ratio of the anti-crack fibers to the composite powder is 2: 3, wherein the anti-crack fiber and the composite powder comprise 20-30 parts of the anti-crack fiber and 40-60 parts of the composite powder according to parts by weight.
2. The self-compacting temperature-inhibiting waterproof composite material as claimed in claim 1, which comprises anti-crack fibers and composite powder, wherein the weight ratio of the anti-crack fibers to the composite powder is 2: and 3, wherein the anti-crack fiber and the composite powder comprise 20 parts of the anti-crack fiber and 40 parts of the composite powder according to parts by weight.
3. The self-compacting temperature-inhibiting waterproof composite material as claimed in claim 1, which comprises anti-crack fibers and composite powder, wherein the weight ratio of the anti-crack fibers to the composite powder is 2: and 3, wherein the anti-crack fiber and the composite powder comprise 25 parts by weight of anti-crack fiber and 50 parts by weight of composite powder.
4. The self-compacting temperature-inhibiting waterproof composite material as claimed in claim 1, which comprises anti-crack fibers and composite powder, wherein the weight ratio of the anti-crack fibers to the composite powder is 2: and 3, wherein the anti-crack fiber and the composite powder comprise 30 parts of the anti-crack fiber and 60 parts of the composite powder according to parts by weight.
5. The self-compacting, temperature-inhibiting and waterproof composite material as claimed in claim 1, wherein the crack-resistant fibers comprise one or two of polyester fibers, polypropylene fibers, polyethylene glycol fibers and polyacrylonitrile fibers.
6. The self-compacting temperature-inhibiting waterproof composite material as claimed in claim 1, wherein the composite powder comprises a cement hydration heat reducing component, a silane waterproof agent, a nano material compacting and reinforcing component, an activated cementitious material activating component, a water retention internal curing component, a coupling agent component, an expansion component, a water reducing agent and a shrinkage reducing agent.
7. A preparation method of a self-compacting temperature-inhibiting waterproof composite material is characterized by comprising the following steps:
1) preparing materials: selecting 20-30 parts of anti-crack fibers, simultaneously selecting a component for reducing cement hydration heat, a silane waterproof agent, a nano material compaction reinforcing component, an activated cementing material active component, a water-retention internal curing component, a coupling agent component, an expansion component, a water reducing agent and a shrinkage reducing agent, and mechanically mixing the materials to obtain 40-60 parts of composite powder;
2) primary stirring: stirring 20-30 parts of anti-crack fiber and 40-60 parts of composite powder in a stirrer for 5-10 min;
3) and (3) secondary stirring: continuously stirring the materials in a stirrer for 10-15min, heating the materials at 50-60 ℃ until the kinematic viscosity and the pour point reach the standard, preserving the heat of the whole body, and cooling to obtain the composite material.
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| CN202111624370.9A CN114230252A (en) | 2021-12-28 | 2021-12-28 | Self-compacting temperature-inhibiting waterproof composite material and preparation method thereof |
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| CN202111624370.9A CN114230252A (en) | 2021-12-28 | 2021-12-28 | Self-compacting temperature-inhibiting waterproof composite material and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058499A (en) * | 2007-05-16 | 2007-10-24 | 肖燎 | Concrete light silicon fibre crack-proof intensifier |
| CN103864340A (en) * | 2014-03-24 | 2014-06-18 | 成都理工大学 | Water-repellent admixture for mortar and concrete |
| CN109553327A (en) * | 2019-01-15 | 2019-04-02 | 刘金标 | Concrete additive and the preparation method and application thereof |
| CN112408842A (en) * | 2020-12-23 | 2021-02-26 | 上海亚地鸿新材料科技有限公司 | Nano waterproof agent applied to concrete and preparation method thereof |
-
2021
- 2021-12-28 CN CN202111624370.9A patent/CN114230252A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058499A (en) * | 2007-05-16 | 2007-10-24 | 肖燎 | Concrete light silicon fibre crack-proof intensifier |
| CN103864340A (en) * | 2014-03-24 | 2014-06-18 | 成都理工大学 | Water-repellent admixture for mortar and concrete |
| CN109553327A (en) * | 2019-01-15 | 2019-04-02 | 刘金标 | Concrete additive and the preparation method and application thereof |
| CN112408842A (en) * | 2020-12-23 | 2021-02-26 | 上海亚地鸿新材料科技有限公司 | Nano waterproof agent applied to concrete and preparation method thereof |
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Application publication date: 20220325 |
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