CN113149512B - Moisture-proof deep active micro powder master batch for building bottom building - Google Patents
Moisture-proof deep active micro powder master batch for building bottom building Download PDFInfo
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- CN113149512B CN113149512B CN202110170892.XA CN202110170892A CN113149512B CN 113149512 B CN113149512 B CN 113149512B CN 202110170892 A CN202110170892 A CN 202110170892A CN 113149512 B CN113149512 B CN 113149512B
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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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/65—Water proofers or repellants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a moisture-proof deep active micro powder master batch for a building bottom building, which comprises the following components in parts by weight: 2 to 6 parts of acrylic polysiloxane, 2 to 6 parts of active silicone zirconium, 2 to 8 parts of magnesium calcium carbonate, 1 to 5 parts of methyl cellulose, 60 to 90 parts of silicon micropowder, 0.3 to 1 part of sodium silicate, 0.5 to 1 part of expanding agent, 0.3 to 0.6 part of water reducing agent and 0.3 to 0.8 part of defoaming agent.
Description
Technical Field
The invention relates to the field of building moisture-proof materials, in particular to a deep active micro powder master batch for moisture prevention of a building bottom.
Background
The ground surface gets damp, which is a common problem of a basement in a residential building or a home, particularly in the south, the damp phenomenon of the ground surface and the wall surface is very serious in the south, and the moisture generated by the damp phenomenon can corrode the floor, so that the floor is cracked, mildewed and bred with a lot of bacteria. The ground in places such as factory buildings gets damp again and causes the terrace to blister and crack, and the product can deteriorate. At present, people generally adopt corresponding moisture-proof treatment for moisture-proof phenomena. However, the concept of moisture and water resistance is easily confused, and water-proof materials and construction methods are often used to deal with the moisture resistance problem. The moisture-proof effect cannot be well achieved, and the result that the moisture-proof effect is difficult to compensate is finally caused; this is because the problem of preventing moisture or water vapor from entering the chamber is solved for moisture prevention, and the problem of preventing liquid water from penetrating into the chamber is solved for water prevention; the molecular compactness of the waterproof layer is difficult to prevent water vapor from passing through.
A Chinese patent with publication number CN107119728A discloses a basement construction process and a three-proofing microcrystal adding powder for basements, which comprises the following components in parts by weight: 2-4 parts of meteorological silica, 5-7 parts of expanding agent, 0.1-0.5 part of calcium formate, 1-3 parts of sodium sulfate, 0.1-0.5 part of water reducing agent and 0.1-0.3 part of water-retaining agent, effectively keeps the basement dry, avoids the phenomena of dampness, leakage and mildew of the basement, but has limited use conditions, and still cannot well solve the problem of ground tide permeation and uplink of the existing old house and newly-built residential bottom building. Thus, the search for a moisture barrier coating that effectively blocks the passage of moisture is a desideratum in the industry.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the moisture-proof deep active micro powder master batch for the building bottom floor, which has the advantages of preventing ground moisture, enabling the interior of a room to be comfortable and dry, preventing moisture and mildew of articles and prolonging the service life.
The above object of the present invention is achieved by the following technical solutions: a moisture-proof deep active micro powder master batch for a building bottom building comprises the following components in parts by weight: 2 to 6 parts of acrylic polysiloxane, 2 to 6 parts of active silicone zirconium, 2 to 8 parts of magnesium calcium carbonate, 1 to 5 parts of methyl cellulose, 60 to 90 parts of silicon micropowder, 0.3 to 1 part of sodium silicate, 0.5 to 1 part of expanding agent, 0.3 to 0.6 part of water reducing agent and 0.3 to 0.8 part of defoaming agent. The present invention in a preferred example may be further configured to: the micro powder master batch specifically comprises the following components in parts by weight: 6 parts of acrylic polysiloxane, 6 parts of active silicone zirconium, 4 parts of magnesium calcium carbonate, 2 parts of methyl cellulose, 80 parts of silicon micropowder, 0.2 part of sodium silicate, 0.6 part of an expanding agent, 0.3 part of a water reducing agent and 0.5 part of a defoaming agent.
In a further refinement, said silicone zirconium is mixed with said acrylic polysiloxane in a ratio of 1: 1 in a mass ratio.
In a further improvement, the silicone zirconium and the acrylic polysiloxane respectively account for 6% of the mass of the micro powder master batch.
In a further refinement, the methylcellulose is blended with the acrylic polysiloxane in a ratio of 1: 3 in a mass ratio.
In a further improvement, the silica powder is 3000-mesh ultrafine silica powder.
In a further improvement, the expanding agent comprises a calcium sulphoaluminate type concrete expanding agent.
Further improved, the water reducing agent is a modified calcium lignosulfonate water reducing agent.
After the technical scheme of the application is adopted, 1, through adding and mixing deep active miropowder masterbatch to the mortar, the miropowder masterbatch can carry out hydration with cement, and then go deep into the mortar deep layer and go to absorb and complex calcium hydroxide, generate the calcium silicate crystal body that is insoluble in water, and then seal the tiny crack and capillary channel in mortar and the concrete, make concrete structure more closely knit, terminate the siphon effect of capillary channel, prevent the ground tide to go upward, and prevent calcium hydroxide from absorbing damp at the wall, terminate the "respiratory effect" of wall body steam, prevent the condensation, thereby realize better dampproofing mould proof effect. 2. Zirconium silicone with acrylic polysiloxane according to 1: the proportion of 1 is simultaneously mixed into cement mortar, the content of silicone zirconium is increased to 6 percent, and the effects of cracking prevention, seepage prevention and siphon prevention are better. 3. Acrylic polysiloxane and silicone zirconium 1: 1 proportion is used, the moisture-proof mortar layer can be protected from cracking when being directly irradiated by sunlight, so that the inherent easy cracking common fault of the rigid waterproof mortar is changed, the rigid waterproof mortar is suitable for being applied to buildings with the surface plus or minus zero or more, and has a special decorative surface artistic effect.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below.
Implementation mode one
A moisture-proof deep active micro powder master batch for a building bottom building comprises the following components in parts by weight: 6 parts of acrylic polysiloxane, 6 parts of active silicone zirconium, 4 parts of magnesium calcium carbonate, 2 parts of methyl cellulose, 80 parts of 3000-mesh superfine silicon powder, 0.2 part of sodium silicate, 0.6 part of an expanding agent, 0.3 part of a water reducing agent and 0.5 part of a defoaming agent. Wherein, the expanding agent adopts calcium sulphoaluminate type concrete expanding agent which does not contain sodium salt and can not cause the reaction of concrete alkali aggregate. The water reducing agent is a modified calcium lignosulphonate (GCL1) high-efficiency water reducing agent.
Second embodiment
A moisture-proof deep active micro powder master batch for a building bottom building comprises the following components in parts by weight: 6 parts of acrylic polysiloxane, 6 parts of active silicone zirconium, 4 parts of magnesium calcium carbonate, 1 part of methyl cellulose, 90 parts of 3000-mesh superfine silicon powder, 0.1 part of sodium silicate, 0.8 part of an expanding agent, 0.5 part of a water reducing agent and 0.5 part of a defoaming agent. Wherein, the expanding agent adopts calcium sulphoaluminate type concrete expanding agent which does not contain sodium salt and can not cause the reaction of concrete alkali aggregate. The water reducing agent is a modified calcium lignosulphonate (GCL1) high-efficiency water reducing agent.
Third embodiment
A moisture-proof deep active micro powder master batch for a building bottom building comprises the following components in parts by weight: 6 parts of acrylic polysiloxane, 6 parts of active silicone zirconium, 5 parts of magnesium calcium carbonate, 2 parts of methyl cellulose, 70 parts of 3000-mesh superfine silicon powder, 1 part of sodium silicate, 0.5 part of an expanding agent, 0.3 part of a water reducing agent and 0.8 part of a defoaming agent. Wherein, the expanding agent adopts calcium sulphoaluminate type concrete expanding agent which does not contain sodium salt and can not cause the reaction of concrete alkali aggregate. The water reducing agent is a modified calcium lignosulphonate (GCL1) high-efficiency water reducing agent.
Embodiment IV
A moisture-proof deep active micro powder master batch for a building bottom building comprises the following components in parts by weight: 4 parts of acrylic polysiloxane, 4 parts of active silicone zirconium, 5 parts of magnesium calcium carbonate, 1 part of methyl cellulose, 80 parts of 3000-mesh superfine silicon powder, 0.6 part of sodium silicate, 0.9 part of an expanding agent, 0.4 part of a water reducing agent and 0.3 part of a defoaming agent. Wherein, the expanding agent adopts calcium sulphoaluminate type concrete expanding agent which does not contain sodium salt and can not cause the reaction of concrete alkali aggregate. The water reducing agent is a modified calcium lignosulphonate (GCL1) high-efficiency water reducing agent.
Fifth embodiment
A moisture-proof deep active micro powder master batch for a building bottom building comprises the following components in parts by weight: 4 parts of acrylic polysiloxane, 4 parts of active silicone zirconium, 4 parts of magnesium calcium carbonate, 3 parts of methyl cellulose, 70 parts of 3000-mesh superfine silicon powder, 0.8 part of sodium silicate, 0.6 part of an expanding agent, 0.5 part of a water reducing agent and 0.5 part of a defoaming agent. Wherein, the expanding agent adopts calcium sulphoaluminate type concrete expanding agent which does not contain sodium salt and can not cause the reaction of concrete alkali aggregate. The water reducing agent is a modified calcium lignosulphonate (GCL1) high-efficiency water reducing agent.
Sixth embodiment
A moisture-proof deep active micro powder master batch for a building bottom building comprises the following components in parts by weight: 4 parts of acrylic polysiloxane, 4 parts of active silicone zirconium, 3 parts of magnesium calcium carbonate, 2 parts of methyl cellulose, 90 parts of 3000-mesh superfine silicon powder, 0.3 part of sodium silicate, 1 part of an expanding agent, 0.3 part of a water reducing agent and 0.4 part of a defoaming agent. Wherein, the expanding agent adopts calcium sulphoaluminate type concrete expanding agent which does not contain sodium salt and can not cause the reaction of concrete alkali aggregate. The water reducing agent is a modified calcium lignosulphonate (GCL1) high-efficiency water reducing agent.
Seventh embodiment
A moisture-proof deep active micro powder master batch for a building bottom building comprises the following components in parts by weight: 2 parts of acrylic polysiloxane, 2 parts of active silicone zirconium, 5 parts of magnesium calcium carbonate, 3 parts of methyl cellulose, 90 parts of 3000-mesh superfine silicon powder, 0.3 part of sodium silicate, 1 part of an expanding agent, 0.3 part of a water reducing agent and 0.4 part of a defoaming agent. Wherein, the expanding agent adopts calcium sulphoaluminate type concrete expanding agent which does not contain sodium salt and can not cause the reaction of concrete alkali aggregate. The water reducing agent is a modified calcium lignosulphonate (GCL1) high-efficiency water reducing agent.
Embodiment eight
A moisture-proof deep active micro powder master batch for a building bottom building comprises the following components in parts by weight: 2 parts of acrylic polysiloxane, 2 parts of active silicone zirconium, 4 parts of magnesium calcium carbonate, 2 parts of methyl cellulose, 80 parts of 3000-mesh superfine silicon powder, 0.8 part of sodium silicate, 0.7 part of an expanding agent, 0.4 part of a water reducing agent and 0.5 part of a defoaming agent. Wherein, the expanding agent adopts calcium sulphoaluminate type concrete expanding agent which does not contain sodium salt and can not cause the reaction of concrete alkali aggregate. The water reducing agent is a modified calcium lignosulphonate (GCL1) high-efficiency water reducing agent.
Ninth embodiment
A moisture-proof deep active micro powder master batch for a building bottom building comprises the following components in parts by weight: 2 parts of acrylic polysiloxane, 2 parts of active silicone zirconium, 3 parts of magnesium calcium carbonate, 1 part of methyl cellulose, 70 parts of 3000-mesh superfine silicon powder, 1 part of sodium silicate, 0.5 part of an expanding agent, 0.6 part of a water reducing agent and 0.6 part of a defoaming agent. Wherein, the expanding agent adopts calcium sulphoaluminate type concrete expanding agent which does not contain sodium salt and can not cause the reaction of concrete alkali aggregate. The water reducing agent is a modified calcium lignosulphonate (GCL1) high-efficiency water reducing agent.
Experimental data:
the experimental results are as follows:
the experimental data take the 28d impervious strength of the mortar experimental block as a comparison index, and the compared impervious pressure of the mortar block without the additive is 0.44MPa, so that the additive formula is higher than that of the mortar block without the additive.
According to the experiment, after the ingredients of the first embodiment are adopted, the impermeability of the cement mortar can be greatly improved, and the experimental data shows that the reorganized average osmotic pressure can reach 2.3MPa at most and is 520% of the impermeability of the common silicate cement mortar.
Methyl cellulose and acrylic polysiloxane in a ratio of 1: 3, the adhesive strength of the mortar is increased after the mixture is fully mixed, the waterproof mortar is prevented from cracking, the veneer is prevented from cracking, the direct irradiation of ultraviolet rays in sunlight can be resisted, and the mortar is suitable for buildings above the ground surface.
The addition of silicone zirconium to cement mortar is generally 2% to 4% of the whole, and should not be too high, but in experiments it was found that silicone zirconium and acrylic polysiloxane are added according to a ratio of 1: 1, the silicone zirconium can be increased to 6 percent, and the anti-cracking, anti-seepage and anti-siphon effects are optimal, so that the moisture-proof mortar layer can be protected from cracking when being directly irradiated by sunlight, the inherent easy-cracking common fault of the rigid waterproof mortar is changed, the rigid waterproof mortar is suitable for being applied to buildings with the surface plus or minus zero or more, and the special decorative effect is achieved.
The content of the acrylic polysiloxane accounts for 6 percent of the mortar, and the acrylic polysiloxane is oil stain resistant and corrosion resistant, so that the acrylic polysiloxane waterproof mortar is particularly suitable for preventing water vapor permeation of walls outside a toilet partition wall and a kitchen room, and experiments show that when the content of the acrylic polysiloxane accounts for 6 percent of the mortar, the moisture absorption effect and the anti-cracking toughness of the mortar are optimal.
The sodium silicate accounts for 0.2 percent of the whole mortar, plays a more prominent auxiliary role in absorbing calcium hydroxide, generates water-insoluble calcium silicate crystals, and fills the water-insoluble calcium silicate crystals into substrate microcracks and sand holes, so that the compactness and the impermeability of the material can be improved, and cracking is prevented.
In the invention, the nano-silicon dioxide contained in the silicon micropowder has silicon hydroxyl activity, can be fully mixed with cement to react, absorbs a hydration product calcium hydroxide, generates hydraulic calcium silicate hydrate gel (3CaO 2SiO 2.3H 2O) in capillary pores, and makes a mortar structure more compact, wherein the equation is xCa (OH)2+SiO2+mH2O→xCaO·SiO2·nH2O, silicon base has four molecular bonds, the quantity of complex calcium hydroxide and water molecules is not determined, but the complex calcium hydroxide and the water molecules have hydrate properties, and the moisture absorption and hydration process is completely different from that of the sugar salt chicken essenceAgain, the state of free water, and the hydrate is not free water and therefore feels dry.
When the deep active moisture-proof mortar layer generates micro cracks smaller than 0.2mm, the two sides of the cracks are fully filled with calcium hydroxide, moisture-proof micro powder master batch is activated in a water environment, the hydration is continued to generate new crystals insoluble in water, the micro cracks are automatically repaired, the siphon effect of capillary channels is stopped, the water vapor on the ground surface is effectively prevented from permeating and going upwards, the problem of alkali return and mildew is solved by the reaction between the wall surface and the calcium hydroxide, so that the dryness and the comfort degree of a room are improved, and the self-repairing performance also makes up the disadvantages of the traditional water-proof moisture-proof material.
Meanwhile, acrylic polysiloxane and sodium silicate in the micro powder master batch enable the wall surface to be flat and smooth after the mortar is glazed, have an attractive effect, and prevent the phenomena of general powder falling and cracking of the moistureproof mortar.
Claims (7)
1. The moisture-proof deep active micro powder master batch for the building bottom floor is characterized by comprising the following components in parts by weight: 2-6 parts of acrylic polysiloxane, 2-6 parts of active silicone zirconium, 2-8 parts of magnesium calcium carbonate, 1-5 parts of methyl cellulose, 60-90 parts of silicon micropowder, 0.3-1 part of sodium silicate, 0.5-1 part of expanding agent, 0.3-0.6 part of water reducing agent and 0.3-0.8 part of defoaming agent; the silicone zirconium is mixed with the acrylic polysiloxane in a ratio of 1: 1 in a mass ratio.
2. The moisture-proof deep active micro powder master batch for the building bottom building of claim 1, which is characterized by comprising the following components in parts by weight: 6 parts of acrylic polysiloxane, 6 parts of active silicone zirconium, 4 parts of magnesium calcium carbonate, 2 parts of methyl cellulose, 80 parts of silicon micropowder, 0.2 part of sodium silicate, 0.6 part of an expanding agent, 0.3 part of a water reducing agent and 0.5 part of a defoaming agent.
3. The deeply active micro powder masterbatch for moisture protection of the basement of a building as claimed in claim 1, wherein the silicone zirconium and the acrylic polysiloxane respectively account for 6% of the mass of the micro powder masterbatch.
4. The deep reactive micro powder masterbatch for moisture protection of building attic as claimed in claim 1, wherein said methylcellulose and said acrylic polysiloxane are present in a ratio of 1: 3 in a mass ratio.
5. The moisture-proof deep active micro powder master batch for the building bottom floor as claimed in any one of claims 1 to 4, wherein 3000-mesh ultra-fine silicon powder is adopted as the silicon micro powder.
6. The deep active micro powder master batch for moisture protection of building bottom floors as claimed in claim 5, wherein the expanding agent is calcium sulfoaluminate type concrete expanding agent.
7. The deep active micro powder master batch for moisture prevention of building bottom stairs of claim 6, wherein the water reducing agent is a modified calcium lignosulfonate water reducing agent.
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| JPH05321139A (en) * | 1992-05-20 | 1993-12-07 | Asahi Chem Ind Co Ltd | Oil-absorbing cellulose yarn |
| CN104961425A (en) * | 2015-06-26 | 2015-10-07 | 青岛文创科技有限公司 | Efficient waterproof agent for building |
| CN105732909B (en) * | 2016-04-15 | 2018-02-23 | 武汉赫斯特涂层材料股份有限公司 | A kind of preparation method of acrylic polysiloxane water-based emulsion |
| CN107226633B (en) * | 2017-06-20 | 2019-06-18 | 上海微晶防水材料有限公司 | Three proofings micro-crystal and cement and villa basement waterproofing moistureproof and mildewproof method |
| CN107522450B (en) * | 2017-09-04 | 2020-07-31 | 东南大学 | High-flexibility anti-permeability waterproof mortar |
| CN108585661B (en) * | 2018-05-28 | 2021-04-20 | 石家庄金隅旭成混凝土有限公司 | Sulfate-resistant concrete and preparation method thereof |
| CN110423045A (en) * | 2019-08-29 | 2019-11-08 | 湖南加美乐素新材料股份有限公司 | One kind being used for the dedicated external wall waterproof agent of prefabricated components concrete |
| CN111825410A (en) * | 2020-06-11 | 2020-10-27 | 苏州佳固士新材料科技有限公司 | Waterproof material capable of forming film and permeating, and preparation method and application thereof |
| CN112110675B (en) * | 2020-08-11 | 2022-07-08 | 重庆源锦锦兴新材料科技有限公司 | Environment-friendly anti-cracking waterproof agent for concrete and preparation method thereof |
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