CN114031351B - Thin-layer floor sound-insulation tile adhesive and preparation method thereof - Google Patents
Thin-layer floor sound-insulation tile adhesive and preparation method thereof Download PDFInfo
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- CN114031351B CN114031351B CN202111501023.7A CN202111501023A CN114031351B CN 114031351 B CN114031351 B CN 114031351B CN 202111501023 A CN202111501023 A CN 202111501023A CN 114031351 B CN114031351 B CN 114031351B
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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
- C04B28/02—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 containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural materials
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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
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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
- C04B2111/52—Sound-insulating materials
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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
- C04B2111/60—Flooring materials
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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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
Abstract
The invention discloses a thin-layer floor sound-insulation tile adhesive and a preparation method thereof, and aims to solve the technical problems of enhancing the sound-insulation effect of a floor slab and reducing the cost. The invention comprises the following raw materials in parts by weight: 30.0 to 40.0 portions of cement, 30.0 to 35.0 portions of expanded slag or blast furnace slag, 10.0 to 15.0 portions of open-pore expanded perlite, 5.0 to 10.0 portions of gray calcium, 4.4 to 9.3 portions of sepiolite, 0.6 to 1.0 portions of porous starch, 0.5 to 1 portion of calcium formate, 0.3 to 0.5 portion of water-retaining agent, 1.5 to 3.0 portions of ethylene, vinyl laurate and vinyl chloride ternary polymerization rubber powder and 0.2 to 0.4 portions of wood fiber. The preparation method comprises the following steps: sequentially feeding materials at the rotating speed of 1000r/min, and mixing and stirring for 15 minutes. Compared with the prior art, the thin-layer floor sound-insulating ceramic tile adhesive prepared from the expanded slag or blast furnace slag, the perforated expanded perlite, the sepiolite, the porous starch and the wood fiber has the advantages of excellent sound-insulating and silencing effects, good bearing capacity, high mechanical pressure resistance, strong binding force, good waterproof and impervious effects and low building decoration cost.
Description
Technical Field
The invention relates to a building material and a preparation method thereof, in particular to a building decoration material and a preparation method thereof.
Background
With the improvement of living standard, the harm of noise makes people have higher requirements on the sound insulation effect of living environment, and according to the impact sound insulation standard of GB50118-2010 civil building sound insulation design Specification, the bedroom of the residential building and the individual floor of the living room are less than 75dB; the high-demand house is less than 65dB; the floor between the school buildings and the common classrooms is less than 75dB; floor between language classroom, reading room and upper room is less than 65dB. At present, the floor of a building is mainly paved by ceramic tiles, a layer of sound insulation paint or sound insulation mortar with the thickness of 3-5 mm is sprayed or scraped on a concrete floor slab before the ceramic tiles are paved so as to achieve the ideal impact sound insulation effect, and then the floor is paved by cement mortar with the thickness of 15-50 mm, so that the living space is greatly reduced, and the building decoration cost is increased. Therefore, the floor thin-layer sound-insulating ceramic tile adhesive has wide market prospect, and the living space is increased, and the building decoration cost is reduced.
The tile adhesive in the prior art mainly comprises cement, gray calcium, quartz sand, heavy calcium and polymer adhesive powder, and the tile adhesive prepared from the materials has high mechanical strength and good bonding strength, but has poor sound insulation performance, and cannot meet the sound insulation design specification of civil buildings.
CN 112279579A discloses a sound insulation tile adhesive and a preparation method, comprising the following components in percentage by weight: 500-700 parts of base material; 60-70 parts of butylbenzene emulsion; 0.5-1 part of high-efficiency water reducer; 200-300 parts of chloroprene rubber; 100-150 parts of inorganic vitrified microbeads. Because the floor tile needs to bear weight and tread in daily walking, the tile adhesive is required to have higher mechanical strength, and the CN 112279579A adopts inorganic vitrified microbeads as aggregate, although the volume weight is light, the weight is 80-120 kg/m 3 But the strength is low, the bearing capacity is poor, the loose falling of the ceramic tile is easy to cause, and meanwhile, the inorganic vitrified micro bubbles are easy to absorb water and expand, so that the ceramic tile is not suitable for being used on the ground such as a wet bathroom.
CN 112210159A discloses a soundproof particle and a preparation method thereof, a tile glue and a preparation method and a use method thereof, and the structure of the soundproof particle comprises rubber particles and soluble silicate dispersed in the rubber particles. After the water-soluble silicate is added to the tile glue, the soluble silicate in the sound-insulating particles can be dissolved and permeated, and finally the rubber particles with micropores are formed. The sound insulation particles are added into the tile adhesive for use, and the main components of the tile adhesive on the market are cement, gray calcium, quartz sand, heavy calcium and polymer rubber powder, so that the sound insulation tile adhesive lacks a barrier adsorption effect on noise, the whole sound insulation effect is poor, moreover, the soluble silicate in the rubber particles can promote hydration reaction of cement, the quick hydration reaction of tricalcium silicate and dicalcium silicate in the cement is caused to generate coagulation phenomenon, the operational time of the sound insulation tile adhesive is short, the construction difficulty is increased, and meanwhile, the construction thickness is 10-20 mm, so that the thin coating construction is not facilitated.
Disclosure of Invention
The invention aims to provide a thin-layer floor sound-insulation tile adhesive and a preparation method thereof, and aims to solve the technical problems of enhancing the sound-insulation effect of a floor slab and reducing the cost.
The invention adopts the following technical scheme: a thin-layer floor sound-insulation tile adhesive comprises the following raw materials in parts by weight: 30.0 to 40.0 portions of cement, 30.0 to 35.0 portions of expanded slag or blast furnace slag, 10.0 to 15.0 portions of open-pore expanded perlite, 5.0 to 10.0 portions of gray calcium, 4.4 to 9.3 portions of sepiolite, 0.6 to 1.0 portions of porous starch, 0.5 to 1 portion of calcium formate, 0.3 to 0.5 portion of water-retaining agent, 1.5 to 3.0 portions of ethylene, vinyl laurate and vinyl chloride ternary polymerization rubber powder and 0.2 to 0.4 portions of wood fiber.
The invention also comprises the following raw materials in parts by weight: starch ether 0.1-0.2 weight portions, polysilane powder 0.3-0.5 weight portions, and polypropylene fiber 0.2-0.5 weight portions.
The cement of the invention is early strength type ordinary Portland cement.
The sepiolite disclosed by the invention is alpha sepiolite.
The invention relates to a thin-layer floor sound-insulation tile adhesive which comprises the following raw materials in parts by weight: 40.0 parts of cement, 30.0 parts of expanded slag or blast furnace slag, 10.0 parts of open-cell expanded perlite, 5.0 parts of gray calcium, 9.3 parts of alpha sepiolite, 1.0 part of porous starch, 0.5 part of calcium formate, 0.3 part of water-retaining agent, 3.0 parts of ethylene, vinyl laurate and vinyl chloride ternary polymerization rubber powder, 0.2 part of starch ether, 0.3 part of polysilane powder, 0.2 part of wood fiber and 0.2 part of polypropylene fiber.
The invention relates to a thin-layer floor sound-insulation tile adhesive which comprises the following raw materials in parts by weight: 35.0 parts of cement, 34.0 parts of expanded slag or blast furnace slag, 12.0 parts of open-cell expanded perlite, 8.0 parts of gray calcium, 6.3 parts of alpha sepiolite, 0.8 part of porous starch, 0.7 part of calcium formate, 0.4 part of water-retaining agent, 1.5 parts of ethylene, vinyl laurate and vinyl chloride ternary copolymer rubber powder, 0.2 part of starch ether, 0.4 part of polysilane powder, 0.3 part of wood fiber and 0.4 part of polypropylene fiber.
The invention relates to a thin-layer floor sound-insulation tile adhesive which comprises the following raw materials in parts by weight: 33.0 parts of cement, 32.0 parts of expanded slag or blast furnace slag, 15.0 parts of open-cell expanded perlite, 10.0 parts of gray calcium, 4.4 parts of alpha sepiolite, 0.6 part of porous starch, 1.0 part of calcium formate, 0.5 part of water-retaining agent, 2.0 parts of ethylene, vinyl laurate and vinyl chloride ternary polymerization rubber powder, 0.1 part of starch ether, 0.5 part of polysilane powder, 0.4 part of wood fiber and 0.5 part of polypropylene fiber.
The invention relates to a thin-layer floor sound-insulation tile adhesive which comprises the following raw materials in parts by weight: 30.0 parts of cement, 35.0 parts of expanded slag or blast furnace slag, 15.0 parts of open-cell expanded perlite, 5.5 parts of gray calcium, 9.3 parts of alpha sepiolite, 1.0 part of porous starch, 0.8 part of calcium formate, 0.4 part of water-retaining agent, 2.0 parts of ethylene, vinyl laurate and vinyl chloride ternary polymerization rubber powder, 0.2 part of starch ether, 0.3 part of polysilane powder, 0.2 part of wood fiber and 0.3 part of polypropylene fiber.
A preparation method of a thin-layer floor sound-insulation tile adhesive comprises the following steps: at room temperature, 30.0 to 40.0 parts of cement, 30.0 to 35.0 parts of expansion slag or blast furnace slag, 10.0 to 15.0 parts of open-pore expansion perlite, 5.0 to 10.0 parts of ash calcium, 4.4 to 9.3 parts of sepiolite, 0.6 to 1.0 parts of porous starch, 0.5 to 1 part of calcium formate, 0.3 to 0.5 part of water-retaining agent, 1.5 to 3.0 parts of ethylene, vinyl laurate and vinyl chloride ternary polymerization rubber powder, 0.1 to 0.2 part of starch ether, 0.3 to 0.5 part of polysilane powder, 0.2 to 0.4 part of wood fiber and 0.2 to 0.5 part of polypropylene fiber are sequentially fed, mixed and stirred for 15 minutes to obtain the thin-layer ground tile adhesive.
The method adopts early-strength ordinary Portland cement as cement; the sepiolite is alpha sepiolite.
Compared with the prior art, the thin-layer ground sound-insulating tile adhesive obtained by selecting the expanded slag or the blast furnace slag, the perforated expanded perlite, the sepiolite, the porous starch and the wood fiber has excellent sound-insulating and silencing effects, and the thin-layer ground sound-insulating tile adhesive with excellent sound-insulating performance is directly used for paving tiles, so that the sound-insulating tile adhesive not only can better block sound volume, but also can achieve good sound-insulating effect by thin coating with 6-10 mm, and has good bearing capacity, high mechanical pressure resistance, strong binding power, good waterproof and impervious effects and low building decoration cost.
Detailed Description
The present invention will be described in further detail with reference to examples.
The invention relates to a thin-layer floor sound-insulation tile adhesive which comprises the following raw materials in parts by weight: 30.0 to 40.0 portions of cement, 30.0 to 35.0 portions of expanded slag or blast furnace slag, 10.0 to 15.0 portions of open-pore expanded perlite, 5.0 to 10.0 portions of gray calcium, 4.4 to 9.3 portions of sepiolite, 0.6 to 1.0 portions of porous starch, 0.5 to 1 portion of calcium formate, 0.3 to 0.5 portion of water-retaining agent, 1.5 to 3.0 portions of ethylene, vinyl laurate and vinyl chloride ternary copolymer rubber powder, 0.1 to 0.2 portions of starch ether, 0.3 to 0.5 portions of polysilane powder, 0.2 to 0.4 portions of wood fiber and 0.2 to 0.5 portions of polypropylene fiber.
The preparation method of the thin-layer floor sound-insulation tile adhesive comprises the following steps:
at room temperature (25 ℃) and at the rotating speed of 1000r/min, 30.0 to 40.0 parts of cement, 30.0 to 35.0 parts of expansion slag or blast furnace slag, 10.0 to 15.0 parts of open-pore expansion perlite, 5.0 to 10.0 parts of gray calcium, 4.4 to 9.3 parts of sepiolite, 0.6 to 1.0 parts of porous starch, 0.5 to 1 part of calcium formate, 0.3 to 0.5 part of water-retaining agent, 1.5 to 3.0 parts of ethylene, vinyl laurate and vinyl chloride ternary copolymer rubber powder, 0.1 to 0.2 parts of starch ether, 0.3 to 0.5 parts of polysilane powder, 0.2 to 0.4 parts of wood fiber and 0.2 to 0.5 parts of polypropylene fiber are sequentially fed, and mixed and stirred for 15 minutes to obtain the thin-layer floor sound-insulating ceramic tile adhesive.
In the thin-layer floor sound-insulating tile adhesive and the preparation method thereof,
the cement is used as inorganic cementing material, and the early-strength ordinary silicate cement is used as the cementing material, so that the thin-layer floor sound-insulation ceramic tile adhesive has early strength, can be coagulated in 3 days, has strength reaching 80% of 28-day strength of cement maintenance, is convenient for construction in a rush period and prevents the early-strength from being damaged by manual treading, and meanwhile, the early-strength cement contains gypsum, thereby being beneficial to further exciting the potential cementing performance of the expansion slag or blast furnace slag together with the gray calcium.
In the examples, the cement used was P.O42.5R gray cement from Buddha conch Cement Limited or 42.5# white cement from Guangxi cloud swallow specialty cement building materials Co.
The expanded slag or blast furnace slag is used as hard aggregate, and is used as hard aggregate of the thin-layer floor sound-insulation tile glue, and has higher compressive strength and good sound-insulation performance. The hydraulic gelation property of dicalcium silicate in the components of the ash-calcium activated expansion slag or blast furnace slag is combined with the hydration reaction of cement, so that the overall bonding strength and mechanical strength of the thin-layer floor sound-insulation tile adhesive are improved. The expanded slag or blast furnace slag adopts slag particles with the particle size of 1-3 mm, and the volume weight is 600-700 kg/m 3 The surface is hard glass, the mechanical strength is high, the barrel pressure strength can reach 1000kPa, and is far greater than that of inorganic vitrified micro bubbles by 50-200 kPa, thereby being beneficial to improving the compression resistance and bearing strength of the sound insulation ceramic tile adhesive for the thin floor; meanwhile, the inside of the hollow porous floor slab is porous, so that the impact force of the floor slab is reduced, and the generation of impact sound is effectively reduced; the surface structure of the material is honeycomb-shaped, and propagation of generated impact sound oscillation can be reduced to a certain extent.
In the examples, the expanded slag was blast furnace slag having a grain size of 1 to 3mm from Guangxi-source slag comprehensive utilization Co.
The open-pore expanded perlite is used as soft aggregate, and the physical characteristics of the open-pore expanded perlite, such as softness, hollowness and light weight, can be effectively mutually meshed and piled with the expanded slag or blast furnace slag with the surface in a honeycomb structure, so as to buffer the impact force of a floor slab, thereby reducing the generation of impact sound.
The invention mainly plays roles of buffering impact force and reducing impact sound, but the expanded slag or the blast furnace slag is hard aggregate, the open pore expanded perlite is soft aggregate, the two aggregates cannot react with each other and are in a loose state, the two aggregates are tightly connected, the bonding strength between the two aggregates is improved, the aggregate stacking gap is filled, and the penetration of sound waves is effectively prevented.
In an embodiment, the open pore expanded perlite is 50-80 mesh open pore expanded perlite of Xinyang Jun adult mineral industry Co.
The gray calcium is used for alkaline excitation of cementing materials in the components of the expanded slag or the blast furnace slag to generate ettringite and C-S-H gel, the ettringite crystal effectively fills gaps between the expanded slag or the blast furnace slag and the expanded perlite, and the C-S-H gel can effectively wrap and connect the expanded slag or the blast furnace slag and the expanded perlite tightly to form a tight whole, so that the integral bonding performance of the sound-insulation tile adhesive for the thin floor is improved. The specific reaction mechanism is as follows: since the mass of the calcium oxide, the silicon dioxide and the aluminum oxide contained in the expansion slag or the blast furnace slag is more than 90%, the calcium oxide and the aluminum oxide have good potential gel activity; while the main component of the gray calcium is CaO 2 And Ca (OH) 2 The early strength cement selected by the invention contains gypsum, and when the thin-layer floor sound-insulation tile glue is added with water and stirred for use, the gray calcium provides a large amount of OH under the hydration effect — As hydration proceeds, activated silicon and activated aluminum in the expanded slag or blast furnace slag are in the OH group — Is dissolved out continuously under the alkaline action to form free unsaturated bond, and is combined with a large amount of Ca in a gelling system 2+ And gypsum-supplied SO 4 2- Ettringite and C-S-H gels are produced.
In the embodiment, the gray calcium is selected from gray calcium powder produced by a calcium lime powder plant in the hong Kong area of the Gui Kong market.
The invention is characterized in that the invention is a floor sound insulation tile adhesive for thin layer construction, and has the capability of effectively damping and blocking the generated impact sound waves while effectively buffering the impact force of a floor slab.
In the embodiment, the sepiolite is selected from alpha sepiolite with the fiber length of 1-5 mm of Hebei-mineral products limited company, and is fibrous, also called fibrous sepiolite, and the sepiolite is in an octahedral structure and has large specific surface area.
In order to further strengthen the noise elimination and isolation of gaps generated by stacking the expanded slag or the blast furnace slag and the open-pore expanded perlite, the invention selects the porous starch which is porous honeycomb and is covered with micro-scale small holes on the surface, thereby being beneficial to weakening the vibration penetration of sound, the porous starch and wood fiber are in a three-dimensional reticular structure, the capillary action noise elimination performance is good, the porous starch and the wood fiber and the alpha sepiolite together fill gaps between aggregates, the vibration of sound can be effectively reduced, and the porous starch is applied to the sound insulation tile glue for thin-layer floors and has good noise absorption performance.
In the embodiment, the porous starch is microporous starch or porous starch of Liaoning Liida biotechnology Co., ltd, and the porous starch or the porous starch is porous honeycomb, and the surface of the porous starch or the porous starch is covered with pores of about 1 μm.
The calcium formate can promote the hydration reaction of cement, and improve the early strength of the thin-layer floor sound-insulation tile adhesive on the premise of not affecting the construction difficulty. The calcium formate can increase the concentration of calcium ions in the liquid phase, so that the dissolution speed of calcium silicate is increased, thereby being beneficial to the generation of vitriol calcium stone crystals in cement, therefore, the calcium formate has the accelerating and early strength effect on cement, and furthermore, the calcium formate can promote the reaction of calcium silicate in blast furnace slag or expansion slag components by utilizing the mechanism that the diffusion speed of formate ions is higher than that of calcium ions, thus, the calcium formate can permeate into hydration layers of tricalcium silicate and dicalcium silicate, and accelerate Ca (OH) 2 At the same time as the formate ion is able to bind the silicon atom further to OH by chemical action - The reaction is carried out, thereby crosslinking adjacent silicate groups in the components of the expanded slag or the blast furnace slag, promoting the formation of C-S-H gel, thereby being beneficial to the expanded slag or the blast furnace slag to wrap the cartilage open pore expanded perlite into a whole body and improvingHigh overall hardening strength of the tile glue.
The calcium formate is calcium formate of Henan Jiarun New Material Co.
The water-retaining agent is 10-20 ten thousand viscosity cellulose ether with moderate viscosity, the construction property is good, and meanwhile, the superior water-retaining property enables the thin-layer floor sound-insulating tile adhesive to maintain longer construction operation time.
In the embodiment, the water-retaining agent is hydroxypropyl methyl cellulose ether with the viscosity of 10-20 ten thousand of Shandong Guangdong developing technologies.
Ethylene, vinyl laurate and vinyl chloride ternary polymerization rubber powder has repellency to water, and as ethylene, vinyl laurate and vinyl chloride ternary polymerization rubber powder are hydrophobic monomers and do not contain vinyl acetate and hydroxyethyl hydrophilic monomers, the rubber powder has stronger hydrophobic performance, the rubber powder is mixed with water and then emulsified, and a continuous compact hydrophobic polymer film is formed in a gap between the aggregate of the thin-layer ground sound-insulation tile adhesive, so that external moisture can be effectively prevented from penetrating into the thin-layer ground sound-insulation tile adhesive, and the thin-layer ground sound-insulation tile adhesive has strong integral impermeability and good waterproof performance, and is endowed with good waterproof performance.
In the examples, the ethylene, vinyl laurate and vinyl chloride terpolymer powder was a hydrophobically modified ethylene/vinyl laurate/vinyl chloride terpolymer powder of the type 8034H from Wake chemical Co., ltd.
The starch ether is used as a common thickener, has a rapid thickening function, and can effectively prevent the sagging phenomenon of thick-layer mortar, so that the starch ether is used for improving the initial yield value of the thin-layer floor sound-insulation tile adhesive, and the thin-layer floor sound-insulation tile adhesive can obtain anti-slip performance.
In the embodiment, the starch ether is selected from the starch ether with the model number S301 of Evelbex Netherlands.
The polysilane powder is organic silicon powder resin, has good water repellency after solidification and stronger hydrophobicity and durability, so that the thin-layer floor sound-insulation tile adhesive avoids expansion and contraction caused by a water-absorbing material, further improves the defect that open-pore expanded perlite, alpha sepiolite, porous starch and wood fiber are easy to absorb water and expand, and has excellent hydrophobicity and water resistance.
In an example, polysilane powder is selected from the polysilane powder of model SEAL80 from Achilles, inc.
The wood fiber has the advantages of small specific gravity, large specific surface area, good flexibility, three-dimensional reticular structure, hollow capillary inside, effective filling and covering of gaps among aggregates in the thin-layer ground sound-insulation tile adhesive system, effective weakening of vibration penetration of sound, good silencing performance, and meanwhile, the capillary of the wood fiber structure can rapidly transmit moisture in the thin-layer ground sound-insulation tile adhesive slurry to the surface and interface of the slurry, so that the internal and external moisture of the slurry is uniformly distributed, tension in the drying process is small, and the crack resistance is obviously realized.
In an embodiment, the wood fiber is selected from wood fiber of Shijia Tianyuan mining Co., ltd.
The polypropylene fiber has the characteristics of high strength, good toughness and wear resistance, is used for increasing the toughness of the thin-layer floor sound-insulation tile adhesive, preventing the thin-layer floor sound-insulation tile adhesive from cracking, and integrally improving the impermeability of the thin-layer floor sound-insulation tile adhesive. The polypropylene fiber and the proportion thereof are selected, so that the thin-layer floor sound-insulation tile adhesive can be used on wet basal planes such as a bathroom and a kitchen, and the application range of the sound-insulation tile adhesive is wider.
In the embodiment, the polypropylene fiber is selected from polypropylene fiber of ancient cooking vessel economic development Limited liability company in Wuhan.
When the thin-layer floor sound-insulation tile adhesive is used, the mass ratio of the thin-layer floor sound-insulation tile adhesive to water is 1: mixing 0.24-0.28, stirring for 3 min to slurry state by using an electric stirrer at the rotating speed of 380r/min, standing for 2 min, curing the slurry, then using the slurry, scraping the slurry on the ground or the back of the ceramic tile by using a tooth-shaped scraper to form a thickness of 6-10 mm, and paving the ceramic tile to achieve the expected sound insulation effect.
Performance tests were performed on examples and comparisons:
the impact sound insulation performance is evaluated according to the second-level specification of the impact sound insulation standard of the floor slabs between 4.27 bedrooms and living rooms, 5.24 common classrooms and 7.24 common classrooms in the GB50118-2010 civil building sound insulation design Specification.
According to a prescribed test Ln, W in the sound insulation of impact sound in chapter 4 of GB/T50121-2005 building sound insulation evaluation standard, the impact sound pressure level and the delta Lw impact sound pressure improvement quantity are normalized.
Part 8 measured in terms of acoustical building and construction element insulation according to GB/T19889.8-2006/ISO 140-8:1997: experimental measurements of impact sound improvement for heavy standard floor sheathing.
Tensile bond strength was tested as specified in JC/T547-2017 ceramic tile adhesive 6.1 for the C1-type ordinary cement-based adhesive.
Compressive strength was tested as specified in GB/T17671-1999 cement mortar strength test method 4.2.7.
Example 1
40.0 parts of cement, 30.0 parts of expanded slag or blast furnace slag, 10.0 parts of open-cell expanded perlite, 5.0 parts of gray calcium, 9.3 parts of alpha sepiolite, 1.0 part of porous starch, 0.5 part of calcium formate, 0.3 part of water-retaining agent, 3.0 parts of ethylene, vinyl laurate and vinyl chloride ternary polymerization rubber powder, 0.2 part of starch ether, 0.3 part of polysilane powder, 0.2 part of wood fiber and 0.2 part of polypropylene fiber.
At the rotating speed of 1000r/min, cement, expanded slag or blast furnace slag, perforated expanded perlite, gray calcium, sepiolite, porous starch, calcium formate, water-retaining agent, ternary copolymer rubber powder of ethylene, vinyl laurate and vinyl chloride, starch ether, polysilane powder, wood fiber and polypropylene fiber are sequentially fed, mixed and stirred for 15 minutes, and the thin-layer floor sound-insulation tile glue is obtained.
The thin-layer floor sound-insulation tile adhesive obtained in the example 1 is mixed with water according to the mass ratio of 1:0.28, stirring for 3 min to paste by an electric stirrer at a rotating speed of 380r/min, standing for 2 min, and scraping the paste on the ground by a toothed scraper to a thickness of 6mm. Tensile bond strength and compressive strength were measured and the test results are shown in Table 1. The impact sound insulation performance test is carried out under the condition that the paving thickness is 6mm, and the test result is shown in table 2.
Example 2
35.0 parts of cement, 34.0 parts of expanded slag or blast furnace slag, 12.0 parts of open-cell expanded perlite, 8.0 parts of gray calcium, 6.3 parts of alpha sepiolite, 0.8 part of porous starch, 0.7 part of calcium formate, 0.4 part of water-retaining agent, 1.5 parts of ethylene, vinyl laurate and vinyl chloride ternary copolymer rubber powder, 0.2 part of starch ether, 0.4 part of polysilane powder, 0.3 part of wood fiber and 0.4 part of polypropylene fiber.
At the rotating speed of 1000r/min, cement, expanded slag or blast furnace slag, perforated expanded perlite, gray calcium, sepiolite, porous starch, calcium formate, water-retaining agent, ternary copolymer rubber powder of ethylene, vinyl laurate and vinyl chloride, starch ether, polysilane powder, wood fiber and polypropylene fiber are sequentially fed, mixed and stirred for 15 minutes, and the thin-layer floor sound-insulation tile glue is obtained.
The thin-layer floor sound-insulation tile adhesive obtained in the example 2 and water are mixed according to the mass ratio of 1:0.28, stirring for 3 min to paste by an electric stirrer at a rotating speed of 380r/min, standing for 2 min, and scraping the paste on the ground by a toothed scraper to obtain a thickness of 10mm. Tensile bond strength and compressive strength were measured and the test results are shown in Table 1. The impact sound insulation performance test is carried out under the condition that the paving thickness is 10mm, and the test result is shown in table 2.
Example 3
33.0 parts of cement, 32.0 parts of expanded slag or blast furnace slag, 15.0 parts of open-cell expanded perlite, 10.0 parts of gray calcium, 4.4 parts of alpha sepiolite, 0.6 part of porous starch, 1.0 part of calcium formate, 0.5 part of water-retaining agent, 2.0 parts of ethylene, vinyl laurate and vinyl chloride ternary polymerization rubber powder, 0.1 part of starch ether, 0.5 part of polysilane powder, 0.4 part of wood fiber and 0.5 part of polypropylene fiber.
At the rotating speed of 1000r/min, cement, expanded slag or blast furnace slag, perforated expanded perlite, gray calcium, sepiolite, porous starch, calcium formate, water-retaining agent, ternary copolymer rubber powder of ethylene, vinyl laurate and vinyl chloride, starch ether, polysilane powder, wood fiber and polypropylene fiber are sequentially fed, mixed and stirred for 15 minutes, and the thin-layer floor sound-insulation tile glue is obtained.
The thin-layer floor sound-insulation tile adhesive obtained in the example 3 is mixed with water according to the mass ratio of 1:0.28, stirring for 3 min to paste by an electric stirrer at a rotating speed of 380r/min, standing for 2 min, and scraping the paste on the ground by a toothed scraper to a thickness of 6mm. Tensile bond strength and compressive strength were measured and the test results are shown in Table 1. The impact sound insulation performance test is carried out under the condition that the paving thickness is 6mm, and the test result is shown in table 2.
Example 4
30.0 parts of cement, 35.0 parts of expanded slag or blast furnace slag, 15.0 parts of open-cell expanded perlite, 5.5 parts of gray calcium, 9.3 parts of alpha sepiolite, 1.0 part of porous starch, 0.8 part of calcium formate, 0.4 part of water-retaining agent, 2.0 parts of ethylene, vinyl laurate and vinyl chloride ternary polymerization rubber powder, 0.2 part of starch ether, 0.3 part of polysilane powder, 0.2 part of wood fiber and 0.3 part of polypropylene fiber.
At the rotating speed of 1000r/min, cement, expanded slag or blast furnace slag, perforated expanded perlite, gray calcium, sepiolite, porous starch, calcium formate, water-retaining agent, ternary copolymer rubber powder of ethylene, vinyl laurate and vinyl chloride, starch ether, polysilane powder, wood fiber and polypropylene fiber are sequentially fed, mixed and stirred for 15 minutes, and the thin-layer floor sound-insulation tile glue is obtained.
The thin-layer floor sound-insulation tile adhesive obtained in the example 2 and water are mixed according to the mass ratio of 1:0.28, stirring for 3 min to paste by an electric stirrer at a rotating speed of 380r/min, standing for 2 min, and scraping the paste on the ground by a toothed scraper to obtain a thickness of 10mm. Tensile bond strength and compressive strength were measured and the test results are shown in Table 1. The impact sound insulation performance test is carried out under the condition that the paving thickness is 10mm, and the test result is shown in table 2.
Comparative example 1
Comparative example 1 differs from example 1: the expanded slag or blast furnace slag was changed to quartz sand having a particle size of 50 to 100 mesh, and the perforated expanded perlite, alpha sepiolite and porous starch were changed to heavy calcium carbonate having a particle size of 400 mesh, and the remaining components were the same as in example 1.
40.0 parts of cement, 30.0 parts of 50-100 mesh quartz sand, 20.3 parts of 400 mesh heavy calcium carbonate, 5.0 parts of gray calcium carbonate, 0.5 parts of calcium formate, 0.3 part of water-retaining agent, 3.0 parts of ethylene, vinyl laurate and vinyl chloride ternary polymerization rubber powder, 0.2 parts of starch ether, 0.3 parts of polysilane powder, 0.2 parts of wood fiber and 0.2 parts of polypropylene fiber.
And (3) at the rotating speed of 1000r/min, sequentially feeding cement, 50-100 quartz sand, 400-mesh heavy calcium, gray calcium, calcium formate, a water-retaining agent, ethylene, vinyl laurate and vinyl chloride ternary polymerization rubber powder, starch ether, polysilane powder, wood fiber and polypropylene fiber, mixing and stirring for 15 minutes to obtain the tile adhesive.
The tile adhesive obtained in the comparative example 1 is mixed with water according to the mass ratio of 1:0.28, stirring for 3 min to paste by an electric stirrer at a rotating speed of 380r/min, standing for 2 min, and scraping the paste on the ground by a toothed scraper to a thickness of 6mm. Tensile bond strength and compressive strength were measured and the test results are shown in Table 1. The impact sound insulation performance test is carried out under the condition that the paving thickness is 6mm, and the test result is shown in table 2.
Comparative example 2
The components and the proportion thereof, the preparation method and the mixing process parameters of the tile glue and the water are the same in comparative example 2 and comparative example 1. The difference is that: the thickness of the coating on the ground was 10mm by means of a toothed doctor blade. Tensile bond strength and compressive strength were measured and the test results are shown in Table 1. The impact sound insulation performance test is carried out under the condition that the paving thickness is 10mm, and the test result is shown in table 2.
Comparative example 3
Comparative example 3 differs from example 1: the expanded slag or blast furnace slag is replaced by non-spherical neoprene, the open-pore expanded perlite is replaced by inorganic vitrified microbeads, and ethylene, vinyl laurate and vinyl chloride ternary copolymer rubber powder and polysilane powder are replaced by non-hydrophobic redispersible ethylene-vinyl acetate copolymer resin EVA polymer rubber powder.
40.0 parts of cement, 30.0 parts of non-spherical neoprene, 10.0 parts of inorganic vitrified microbeads, 5.0 parts of gray calcium, 9.3 parts of alpha sepiolite, 1.0 part of porous starch, 0.5 part of calcium formate, 0.3 part of water-retaining agent, 3.3 parts of redispersible EVA polymer rubber powder, 0.2 part of starch ether, 0.2 part of wood fiber and 0.2 part of polypropylene fiber.
At the rotating speed of 1000r/min, cement, non-spherical chloroprene rubber, inorganic vitrified microbeads, gray calcium, alpha sepiolite, porous starch, calcium formate and water-retaining agent can be sequentially added with EVA polymer rubber powder, starch ether, wood fiber and polypropylene fiber, and the materials are mixed and stirred for 15 minutes to obtain the sound insulation material.
The sound insulation material obtained in comparative example 3 was mixed with water in a mass ratio of 1:0.28, stirring for 3 min to paste by an electric stirrer at a rotating speed of 380r/min, standing for 2 min, and scraping the paste on the ground by a toothed scraper to a thickness of 6mm. Tensile bond strength and compressive strength were measured and the test results are shown in Table 1. The impact sound insulation performance test is carried out under the condition that the paving thickness is 6mm, and the test result is shown in table 2.
Comparative example 4
The components and proportion of comparative example 4 and comparative example 3, the preparation method and the mixing process parameters of the sound insulation material and water are the same. The difference is that: the thickness of the coating on the ground was 10mm by means of a toothed doctor blade. Tensile bond strength and compressive strength were measured and the test results are shown in Table 1. The impact sound insulation performance test is carried out under the condition that the paving thickness is 10mm, and the test result is shown in table 2.
Table 1 tensile bond strength and compressive strength test results for examples and comparative examples.
Table 2 the impact sound insulation performance test results of the examples and comparative examples.
As can be seen from Table 1, the tensile bond strengths of examples 1 to 4 all meet the C1 type requirement of JC/T547-2017 ceramic tile adhesive, and are equivalent to the bonding performance of ceramic tile adhesives with quartz stone and heavy calcium as aggregates in comparative examples 1 and 2, the sound insulation materials of comparative examples 3 and 4, which are free of ethylene, vinyl laurate and vinyl chloride ternary copolymer rubber powder and polysilane powder, are poor in water resistance, and the tensile bond performance after soaking is not satisfactory to the C1 type requirement of JC/T547-2017 ceramic tile adhesive, so that the adhesive is not suitable for bonding wet base surfaces such as toilets and kitchens.
It can be seen from Table 1 that the compressive strength of examples 1 to 4 is significantly better than that of comparative example 3 and comparative example 4 using the soundproofing material using the non-spherical chloroprene rubber and the inorganic vitrified microbead as the aggregate. The compressive strength of examples 1 to 4 is equivalent to that of the tile adhesives of comparative examples 1 and 2 using quartz sand and heavy calcium carbonate as aggregate, and the bearing capacity is good.
From Ln and W weight normalized impact sound pressure level data in Table 2, it is known that tile adhesives with quartz sand and heavy calcium as aggregates in comparative examples 1 and 2 have poor sound insulation performance, and that the floor impact sound insulation standards in examples 1 to 4 and comparative examples 3 to 4 all reach corresponding grade standards of residential buildings, school buildings and hotel buildings according to GB50118-2010 civil building sound insulation design Specification; when the construction thickness reaches 10mm, the embodiment 2 and the embodiment 4 reach the primary standard of the impact sound insulation of the guest room floor slab of the hotel building.
The invention has the following technical effects:
according to the invention, the expanded slag or the blast furnace slag is selected, and the porous expanded perlite, the alpha sepiolite, the porous starch and the wood fiber have excellent sound insulation and noise reduction functions. Wherein, the expansion slag or blast furnace slag is used as hard aggregate, the internal porous is favorable for blocking sound, the surface can reach Mohs hardness of 5-6, the hydraulic gelation property of dicalcium silicate in the expansion slag or blast furnace slag can be stimulated by the introduction of gray calcium, and the cement gelation and hydration combined action ensures that the sound-insulation tile adhesive has good bonding strength and mechanical strength. The open-pore expanded perlite is used as the soft aggregate, so that sound waves can be more favorably oscillated and penetrated in the hollow loose perlite, and the silencing effect is achieved. After the alpha sepiolite absorbs water and expands, gaps among aggregates can be effectively plugged, the sepiolite is in an octahedral structure, the specific surface area is large, and the porous loose structure of the sepiolite is applied to the sound insulation tile adhesive and has strong adsorptivity and good sound insulation performance. Meanwhile, the cellular structure of the porous starch and the three-dimensional structure of the wood fiber have good damping and silencing functions, and sound can be further eliminated.
According to the invention, the hydrophobically modified ethylene, vinyl laurate and vinyl chloride ternary copolymer rubber powder and polysilane powder are selected for overcoming the defect that open-pore expanded perlite, alpha sepiolite, porous starch and wood fiber are easy to absorb water and expand, so that the thin-layer floor sound-insulation tile adhesive has excellent water resistance and water resistance, can be used on wet basal planes such as toilets and kitchens, and has a wider application range.
The thin-layer floor sound-insulation tile adhesive can obtain excellent sound insulation performance through thin coating of 6-10 mm, meets the floor impact sound insulation standard specified in GB50118-2010 civil building sound insulation design Specification, and is high in bonding strength, strong in aggregate pressure resistance and high in mechanical strength, so that the whole bearing capacity of the thin-layer floor sound-insulation tile adhesive is good and is not easy to deform.
The thin-layer floor sound-insulation tile adhesive can be prepared only by simple mixing and stirring, is suitable for industrial mass production, has simple construction process, and can be used only by adding water and stirring uniformly on site.
Claims (9)
1. The thin-layer floor sound-insulating tile adhesive is characterized by comprising, by mass, 30.0-40.0 parts of cement, 30.0-35.0 parts of expanded slag or blast furnace slag, 10.0-15.0 parts of open-pore expanded perlite, 5.0-10.0 parts of gray calcium, 4.4-9.3 parts of sepiolite, 0.6-1.0 parts of porous starch, 0.5-1 part of calcium formate, 0.3-0.5 part of water-retaining agent, 1.5-3.0 parts of ethylene, vinyl laurate and vinyl chloride ternary copolymer rubber powder, 0.2-0.4 part of wood fiber, 0.1-0.2 part of starch ether, 0.3-0.5 part of polysilane powder and 0.2-0.5 part of polypropylene fiber.
2. The thin-layer floor sound-insulating tile adhesive according to claim 1, wherein the cement is early-strength Portland cement.
3. The thin-layer floor sound-insulating tile adhesive according to claim 2, wherein the sepiolite is alpha sepiolite.
4. The thin-layer floor sound-insulating tile glue according to claim 3, wherein the thin-layer floor sound-insulating tile glue is composed of the following raw materials, by mass, 40.0 parts of cement, 30.0 parts of expanded slag or blast furnace slag, 10.0 parts of open-cell expanded perlite, 5.0 parts of gray calcium, 9.3 parts of alpha sepiolite, 1.0 part of porous starch, 0.5 part of calcium formate, 0.3 part of a water-retaining agent, 3.0 parts of ethylene, vinyl laurate and vinyl chloride ternary copolymer rubber powder, 0.2 parts of starch ether, 0.3 parts of polysilane powder, 0.2 parts of wood fiber and 0.2 parts of polypropylene fiber.
5. The thin-layer floor sound-insulating tile glue according to claim 4, wherein the thin-layer floor sound-insulating tile glue is composed of the following raw materials, by mass, 35.0 parts of cement, 34.0 parts of expanded slag or blast furnace slag, 12.0 parts of open-cell expanded perlite, 8.0 parts of gray calcium, 6.3 parts of alpha sepiolite, 0.8 parts of porous starch, 0.7 parts of calcium formate, 0.4 parts of a water-retaining agent, 1.5 parts of ethylene, vinyl laurate and vinyl chloride ternary copolymer rubber powder, 0.2 parts of starch ether, 0.4 parts of polysilane powder, 0.3 parts of wood fiber and 0.4 parts of polypropylene fiber.
6. The thin-layer floor sound-insulating tile glue according to claim 3, wherein the thin-layer floor sound-insulating tile glue is composed of the following raw materials, by mass, 33.0 parts of cement, 32.0 parts of expanded slag or blast furnace slag, 15.0 parts of open-cell expanded perlite, 10.0 parts of gray calcium, 4.4 parts of alpha sepiolite, 0.6 parts of porous starch, 1.0 part of calcium formate, 0.5 part of a water-retaining agent, 2.0 parts of ethylene, vinyl laurate and vinyl chloride ternary copolymer rubber powder, 0.1 part of starch ether, 0.5 part of polysilane powder, 0.4 part of wood fiber and 0.5 part of polypropylene fiber.
7. The thin-layer floor sound-insulating tile glue according to claim 3, wherein the thin-layer floor sound-insulating tile glue is composed of the following raw materials, by mass, 30.0 parts of cement, 35.0 parts of expanded slag or blast furnace slag, 15.0 parts of open-cell expanded perlite, 5.5 parts of gray calcium, 9.3 parts of alpha sepiolite, 1.0 part of porous starch, 0.8 part of calcium formate, 0.4 part of a water-retaining agent, 2.0 parts of ethylene, vinyl laurate and vinyl chloride ternary copolymer rubber powder, 0.2 parts of starch ether, 0.3 part of polysilane powder, 0.2 parts of wood fiber and 0.3 part of polypropylene fiber.
8. A method for preparing the thin-layer floor sound-insulating tile adhesive according to claim 1, which comprises the following steps of sequentially feeding 30.0-40.0 parts of cement, 30.0-35.0 parts of expanded slag or blast furnace slag, 10.0-15.0 parts of open-cell expanded perlite, 5.0-10.0 parts of gray calcium, 4.4-9.3 parts of sepiolite, 0.6-1.0 parts of porous starch, 0.5-1 part of calcium formate, 0.3-0.5 part of water-retaining agent, 1.5-3.0 parts of ethylene, vinyl laurate and vinyl chloride ternary copolymer rubber powder, 0.1-0.2 part of starch ether, 0.3-0.5 part of polysilane powder, 0.2-0.4 part of wood fiber and 0.2-0.5 part of polypropylene fiber at room temperature, mixing and stirring for 15 minutes to obtain the thin-layer floor sound-insulating tile adhesive.
9. The method for preparing the thin-layer floor sound-insulating tile adhesive according to claim 8, wherein the cement is early-strength Portland cement; the sepiolite is alpha sepiolite.
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