CN114031351A - Thin-layer ground sound-insulation ceramic tile adhesive and preparation method thereof - Google Patents
Thin-layer ground sound-insulation ceramic tile adhesive and preparation method thereof Download PDFInfo
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- CN114031351A CN114031351A CN202111501023.7A CN202111501023A CN114031351A CN 114031351 A CN114031351 A CN 114031351A CN 202111501023 A CN202111501023 A CN 202111501023A CN 114031351 A CN114031351 A CN 114031351A
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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
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- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
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- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Floor Finish (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a thin-layer ground sound insulation tile glue 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: 30.0-40.0 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 ash calcium, 4.4-9.3 parts of sepiolite, 0.6-1.0 part 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 terpolymer rubber powder and 0.2-0.4 part of wood fiber. The preparation method comprises the following steps: feeding materials in sequence at the rotating speed of 1000r/min, and mixing and stirring for 15 minutes. Compared with the prior art, the thin-layer ground sound-insulation 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-insulation and sound-reduction effects, good bearing capacity, high mechanical pressure resistance, strong cohesive force, good waterproof and anti-permeability 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
Along 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 a residential building and the household floor of a living room are less than 75 dB; high demand residences are less than 65 dB; in a school building, floor slabs between common classrooms are less than 75 dB; the floor between the language classroom, the reading room and the upper room is less than 65 dB. At present building floor ground mainly adopts the ceramic tile to spread the subsides, in order to reach the impact sound insulation effect of ideal before the ceramic tile is spread the subsides, on concrete floor earlier spraying or blade coating one deck 3 ~ 5 mm's soundproof coating or syllable-dividing mortar usually, then adopt 15 ~ 50mm thick cement mortar to spread the subsides, can make living space reduce in a large number like this, building decoration cost increases. Therefore, the living space is enlarged, the building decoration cost is reduced, and the thin-layer sound-insulation ceramic tile glue for the ground has wide market prospect.
The main components of the tile adhesive in the prior art are cement, lime, quartz sand, heavy calcium carbonate 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 can not meet the sound insulation design specifications of civil buildings.
CN 112279579A discloses a sound insulation tile adhesive and a preparation method thereof, and the sound insulation tile adhesive comprises the following components in parts by weight: 500-700 parts of base material; 60-70 parts of butylbenzene emulsion; 0.5-1 part of high-efficiency water reducing agent; 200-300 parts of chloroprene rubber; 100-150 parts of inorganic vitrified micro bubbles. As the floor tile needs to bear load and be trampled in daily walking, the tile adhesive is required to have higher mechanical strength, and the CN 112279579A adopts inorganic vitrified micro bubbles as aggregate, although the volume weight is light, 80-120 kg/m3However, the inorganic vitrified micro bubbles are not suitable for floor surfaces such as wet toilets, because the inorganic vitrified micro bubbles are easy to absorb water and expand, and the ceramic tiles are easy to loosen and fall off due to low strength and poor bearing capacity.
CN 112210159 a discloses a sound-insulating particle and a preparation method thereof, a tile glue and a preparation method and a use method thereof, wherein the structure of the sound-insulating particle comprises rubber particles and soluble silicate dispersed in the rubber particles. After the composite material is added into tile glue, soluble silicate in the sound insulation particles can be dissolved and permeated, and finally rubber particles with micropores are formed. Use in will give sound insulation granule adds ceramic tile glue, and the ceramic tile glue principal ingredients on the market is cement, grey calcium, quartz sand, triple superphosphate, polymer rubber powder, lack the separation adsorption effect to the noise, it is poor to lead to the whole syllable-dividing effect that the ceramic tile that gives sound insulation is glued, and soluble silicate among the rubber granule can promote the hydration reaction of cement, make tricalcium silicate in the cement, the quick hydration reaction of dicalcium silicate appears the phenomenon of condensing, make the operating time of ceramic tile glue that gives sound insulation short, it is poor to increase the construction degree of difficulty, construction thickness is 10 ~ 20mm simultaneously, be unfavorable for the thin construction of scribbling.
Disclosure of Invention
The invention aims to provide a thin-layer ground 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: the thin-layer ground sound insulation tile adhesive comprises the following raw materials in parts 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-cell expanded perlite, 5.0-10.0 parts of ash calcium, 4.4-9.3 parts of sepiolite, 0.6-1.0 part 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 terpolymer rubber powder and 0.2-0.4 part of wood fiber.
The invention also comprises the following raw materials in parts by weight: 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.
The cement of the invention is early strength type ordinary portland cement.
The sepiolite provided by the invention is alpha sepiolite.
The thin-layer ground sound insulation tile adhesive disclosed by the invention is composed of the following raw materials in parts 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 water-retaining agent, 3.0 parts of ethylene, vinyl laurate and vinyl chloride ternary copolymer 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 thin-layer ground sound insulation tile adhesive disclosed by the invention is composed of the following raw materials in parts 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 ash 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 thin-layer ground sound insulation tile adhesive disclosed by the invention is composed of the following raw materials in parts 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 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 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.
The thin-layer ground sound insulation tile adhesive disclosed by the invention is composed of the following raw materials in parts 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 water-retaining agent, 2.0 parts of ethylene, vinyl laurate and vinyl chloride ternary copolymer 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 thin-layer ground sound insulation tile glue comprises the following steps: at room temperature, at the rotating speed of 1000r/min, 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 ash calcium, 4.4-9.3 parts of sepiolite, 0.6-1.0 part 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 terpolymer 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, mixing and stirring for 15 minutes to obtain the thin-layer ground sound-insulating tile adhesive.
The cement of the method of the invention is early strength type ordinary Portland cement; the sepiolite is alpha sepiolite.
Compared with the prior art, the thin-layer ground sound-insulation 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-insulation and sound-reduction effects, can be directly used for paving tiles, has better sound-insulation resistance, can achieve good sound-insulation effect by thin coating for 6-10 mm, and has good bearing capacity, high mechanical pressure resistance, strong bonding force, good waterproof and anti-permeability 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 ground sound insulation tile adhesive, which is prepared from the following raw materials in parts 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 perforated expanded perlite, 5.0-10.0 parts of ash calcium, 4.4-9.3 parts of sepiolite, 0.6-1.0 part 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 terpolymer 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.
The preparation method of the thin-layer ground sound insulation tile adhesive comprises the following steps:
at room temperature (25 ℃), at the rotating speed of 1000r/min, 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 ash calcium, 4.4-9.3 parts of sepiolite, 0.6-1.0 part 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 terpolymer 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, mixing and stirring for 15 minutes to obtain the thin-layer ground sound-insulating tile adhesive.
In the thin layer floor sound-insulating tile glue and the preparation method thereof of the invention,
the cement is used as an inorganic cementing material, the early-strength type ordinary portland cement is used as the cementing material, so that the thin-layer ground sound-insulation ceramic tile adhesive has early strength, can be solidified in 3 days, has the strength reaching 80 percent of the strength of 28 days of cement maintenance, is convenient for construction in a rush hour and prevents early strength from being insufficient and damaged by artificial treading, and meanwhile, the early-strength cement contains gypsum, thereby being beneficial to further exciting the potential cementing property of expansion slag or blast furnace slag together with ash calcium.
In the examples, P.O42.5R gray cement from Fushan conch cement GmbH or 42.5# white cement from Guangxi Yunyan Special cement construction materials GmbH is used as the cement.
The expanded slag or blast furnace slag is used as hard aggregate, and the hard aggregate is used as the hard aggregate of the thin-layer ground sound insulation tile glue, and has higher compressive strength and good sound insulation performance. The hydraulic property of the dicalcium silicate in the expansion slag or blast furnace slag component is excited by the ash calcium, and the hydraulic property and the hydration reaction of cement act together, so that the overall bonding strength and the mechanical strength of the thin-layer ground sound-insulation tile adhesive are improved. The expanded slag or blast furnace slag selects slag particles with the particle size of 1-3 mm and the volume weight of 600-700 kg/m3The surface is hard glass, the mechanical strength is high, the cylinder pressure strength can reach 1000kPa, and is far greater than the cylinder pressure strength of the inorganic vitrified micro bubbles by 50-200 kPa, so that the compression-resistant bearing strength of the thin-layer ground sound-insulation ceramic tile adhesive is improved; meanwhile, the interior of the floor is porous and hollow, so that the impact force of the floor is favorably relieved, and the generation of impact sound is effectively reduced; moreover, the surface structure of the material is honeycomb-shaped, so that the vibration propagation of the generated impact sound can be weakened to a certain degree.
In the embodiment, the expanded slag is blast furnace slag with the particle size of 1-3 mm, which is obtained by Guangxi source slag comprehensive utilization limited company.
Trompil expanded perlite is as soft aggregate, its soft, cavity, the light physical characteristic can be effectively with the surface be the expanded slag of honeycomb structure or blast furnace slay interlock each other and pile up, cushion the floor impact, thereby reduce the production of impact sound, and simultaneously, the obturator pearlite or inorganic vitrified micro ball are compared to the trompil perlite, more be favorable to the sound wave to get into the inside vibration of the pearlite of loose hollow honeycomb structure and pierce through, further eliminate the produced impact sound of object striking floor, thereby reach better noise cancelling effect.
The expanded slag or blast furnace slag and the open-pore expanded perlite have the advantages that two kinds of internal hollow aggregates mainly play roles in buffering impact force and reducing impact sound, but the expanded slag or blast furnace slag is hard aggregate, the open-pore expanded perlite is soft aggregate, the two kinds of aggregates do not react with each other and are often in a loose state, the expanded slag or blast furnace slag and the open-pore expanded perlite are tightly connected, the bonding strength between the expanded slag and the blast furnace slag is improved, aggregate stacking gaps are filled, and sound wave penetration is effectively prevented.
In the embodiment, the open-pore expanded perlite is 50-80 mesh open-pore expanded perlite of Xinyang Jun mineral industry Co.
The lime is used for alkali excitation of a cementing material in the expanded slag or blast furnace slag component to generate ettringite and C-S-H gel, the ettringite crystal effectively fills up the gap between the expanded slag or blast furnace slag and the expanded perlite, and the C-S-H gel can effectively wrap and connect the expanded slag or blast furnace slag and the expanded perlite tightly to form a tight whole, so that the integral bonding property of the thin-layer ground sound insulation tile adhesive is improved. The specific reaction mechanism is as follows: because the mass of calcium oxide, silicon dioxide and aluminum oxide contained in the expanded slag or blast furnace slag is more than 90 percent, the calcium oxide and the aluminum oxide have good potential gel activity; the main component of the lime calcium is CaO2And Ca (OH)2The early strength cement of the invention contains gypsum, and when the thin-layer floor sound-insulation tile glue is used by adding water and stirring, under the action of hydration, a large amount of lime and calcium are providedOH—With the continuation of hydration, the active silicon and active aluminum in the expanded slag or blast furnace slag are in OH—Is continuously dissolved out under the alkaline action of the acid, forms free unsaturated bonds and combines a large amount of Ca in a gelling system2+And SO provided by gypsum4 2-Producing ettringite and C-S-H gel.
In the examples, the ash calcium is prepared from the ash calcium powder produced by hong Kong Shuixi lime calcium powder factory in the area of the pond in Guihong City.
The floor sound-insulation tile glue for thin-layer construction has the advantages that the floor impact force is effectively buffered, and meanwhile, the floor sound-insulation tile glue has the capability of effectively silencing and blocking generated impact sound waves.
In the embodiment, the sepiolite is alpha sepiolite with a fiber length of 1-5 mm, which is from hebei mineral products limited company, and is fibrous, also called fibrous sepiolite, and the sepiolite is octahedral and has a large specific surface area.
In order to further strengthen the noise reduction and separation of gaps generated by the accumulation of expanded slag or blast furnace slag and open-pore expanded perlite, the invention selects porous starch which is porous honeycomb and is full of micron-sized pores on the surface, thus being beneficial to reducing the vibration penetration of sound, the porous starch and wood fiber are in a three-dimensional reticular structure, the capillary action noise reduction performance is good, the porous starch and alpha sepiolite together fill the gaps between aggregates, the vibration of sound can be effectively reduced, and the sound absorption performance is good when the porous starch and the wood fiber are applied to thin-layer ground sound insulation tile glue.
In the embodiment, the porous starch is microporous starch or porous starch of Liaoning Lianta Biotechnology Limited, and the porous starch or the microporous starch is in porous honeycomb shape and has pores with the diameter of about 1 μm distributed on the surface.
Calcium formate energyCan promote the hydration reaction of cement and improve the early strength of the thin-layer ground sound-insulation ceramic tile glue on the premise of not influencing the construction difficulty. The calcium formate can improve the concentration of calcium ions in a liquid phase, so that the dissolution speed of calcium silicate is increased, calcium alum crystals in cement can be generated, the calcium formate has the coagulation accelerating and early strength effects on the cement, and further, the calcium formate can promote the calcium silicate reaction in blast furnace slag or expanded slag components by utilizing the mechanism that the calcium formate can promote the calcium silicate reaction in the blast furnace slag or expanded slag components, because the diffusion speed of the formate ions is higher than that of the calcium ions, the formate ions can permeate into a hydration layer of tricalcium silicate and dicalcium silicate, and the Ca (OH) is accelerated2While the formate ions can further bind the silicon atoms with OH by chemical action-And reacting to crosslink adjacent silicate groups in the expanded slag or blast furnace slag, and promoting the formation of C-S-H gel, so that the expanded slag or blast furnace slag is favorable for wrapping the soft aggregate open-cell expanded perlite into a whole, and the integral hardening strength of the tile adhesive is improved.
The calcium formate is calcium formate from Henan Jiarun New Material Co.
The water-retaining agent is cellulose ether with moderate viscosity of 10-20 ten thousand, so that the construction performance is good, and the excellent water-retaining property ensures that the thin-layer ground sound-insulation tile adhesive can maintain longer construction operation time.
In the embodiment, the water-retaining agent is hydroxypropyl methyl cellulose ether with a viscosity of 10-20 ten thousand from Shandong optical science and technology development Limited.
The vinyl acetate and hydroxyethyl ester hydrophilic monomers are not contained in the ethylene, vinyl laurate and vinyl chloride terpolymer rubber powder, so the rubber powder has stronger hydrophobic performance, the rubber powder is mixed with water and then emulsified, a continuous and compact hydrophobic polymer film is formed inside gaps of the thin-layer ground sound-insulation tile rubber, and the external moisture can be effectively prevented from permeating into the thin-layer ground sound-insulation tile rubber, so that the thin-layer ground sound-insulation tile rubber has strong integral impermeability and good waterproofness, and the thin-layer ground sound-insulation tile rubber is endowed with good water resistance.
In the examples, the ethylene, vinyl laurate and vinyl chloride terpolymer rubber powder is hydrophobically modified ethylene/vinyl laurate/vinyl chloride terpolymer rubber powder of 8034H available from Wake chemical Co., Ltd.
The starch ether is used as a common thickener, has a quick thickening function, and can effectively prevent the thick-layer mortar from sagging, so that the starch ether is used for improving the initial yield value of the thin-layer ground sound-insulation tile adhesive, and the thin-layer ground sound-insulation tile adhesive can obtain the anti-sliding performance.
In the examples, the starch ether is selected from starch ether with model S301 of Iverbe, Netherlands.
The polysilane powder is organic silicon powder resin, is good in water repellency after being cured, has strong hydrophobicity and durability, enables the thin-layer ground sound insulation tile adhesive to avoid expansion and shrinkage caused by a water absorbing material, further overcomes the defect that the open pore expanded perlite, the alpha sepiolite, the porous starch and the wood fiber are easy to absorb water and expand, and enables the thin-layer ground sound insulation tile adhesive to have excellent hydrophobicity and water resistance.
In the examples, the polysilane powder is selected from the polysilane powder of the Aksunobel company with the model number SEAL 80.
Wood fiber proportion is little, specific surface area is big, self pliability is good, be three-dimensional network structure, inside is hollow capillary, can effectively fill the clearance that covers between the aggregate in thin layer ground sound insulation ceramic tile glue system, thereby effectively weaken the vibration of sound and pierce through, noise cancelling performance is good, wood fiber structure's capillary can transmit the surface and the interface of thick liquids rapidly with the moisture in the thin layer ground sound insulation ceramic tile adhesive mortar simultaneously, make the inside and outside moisture distribution of thick liquids even, tension is less in drying process, obviously play anti-crack effect.
In the examples, the wood fiber is wood fiber from Shijia Tianyuan mining Co.
The polypropylene fiber has the characteristics of high strength, good toughness and wear resistance, and is used for increasing the toughness of the thin-layer ground sound-insulation ceramic tile glue, preventing the thin-layer ground sound-insulation ceramic tile glue from cracking and integrally improving the impermeability of the thin-layer ground sound-insulation ceramic tile glue. By selecting the polypropylene fiber and the proportion thereof, the thin-layer ground sound-insulation ceramic tile adhesive can be used on wet base surfaces such as toilets and kitchens, and the application range of the sound-insulation ceramic tile adhesive is wider.
In the embodiment, the polypropylene fiber is polypropylene fiber of Ding economic development Limited liability company in Wuhan city.
When the thin-layer ground sound insulation tile glue is used, the thin-layer ground sound insulation tile glue and water are mixed according to the mass ratio of 1: 0.24-0.28, stirring for 3 minutes by using an electric stirrer at the rotating speed of 380r/min to form slurry, standing for 2 minutes, curing the slurry, using a toothed scraper to scrape 6-10 mm thick on the ground or the back of the ceramic tile, and paving the ceramic tile to achieve the expected sound insulation effect.
The examples and the comparison were tested for performance:
impact sound insulation performance is evaluated according to the secondary regulations of impact sound insulation standards of 4.27 family floors of bedrooms and living rooms, 5.24 floors between common classrooms and 7.24 passenger room floors in GB50118-2010 civil building sound insulation design Specification.
And testing Ln and W weighting normalization impact sound pressure level and delta Lw weighting impact sound pressure improvement according to the regulation in Chapter 4 impact sound insulation of GB/T50121-2005 building sound insulation evaluation Standard.
Part 8 of the Acoustic building and construction Components measurement according to GB/T19889.8-2006/ISO140-8:1997 part 8: and (4) testing the improvement of impact sound of the covering layer of the heavy standard floor.
The tensile bond strength was tested as specified in JC/T547-2017 ceramic tile adhesive 6.1, type C1 general cement-based adhesive.
The 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 copolymer 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.
Sequentially feeding cement, expanded slag or blast furnace slag, open-cell expanded perlite, gray calcium, sepiolite, porous starch, calcium formate, a water-retaining agent, ethylene, vinyl laurate and vinyl chloride terpolymer rubber powder, starch ether, polysilane powder, wood fiber and polypropylene fiber at the rotating speed of 1000r/min, and mixing and stirring for 15 minutes to obtain the thin-layer ground sound-insulation tile adhesive.
The thin-layer ground sound insulation tile glue obtained in the example 1 and water are mixed according to the mass ratio of 1: 0.28, stirring the mixture for 3 minutes to be pasty by using an electric stirrer at the rotating speed of 380r/min, standing the mixture for 2 minutes, and then scraping and coating the mixture on the ground by using a tooth-shaped scraper to form a layer with the thickness of 6 mm. Tensile bond strength and compressive strength were measured and the results are shown in table 1. And (3) carrying out impact sound insulation performance test under the condition that the pavement thickness is 6mm, wherein the test result is shown in a 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 ash 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.
Sequentially feeding cement, expanded slag or blast furnace slag, open-cell expanded perlite, gray calcium, sepiolite, porous starch, calcium formate, a water-retaining agent, ethylene, vinyl laurate and vinyl chloride terpolymer rubber powder, starch ether, polysilane powder, wood fiber and polypropylene fiber at the rotating speed of 1000r/min, and mixing and stirring for 15 minutes to obtain the thin-layer ground sound-insulation tile adhesive.
The thin-layer ground sound insulation tile glue obtained in the example 2 and water are mixed according to the mass ratio of 1: 0.28, stirring the mixture for 3 minutes to be pasty by using an electric stirrer at the rotating speed of 380r/min, standing the mixture for 2 minutes, and then scraping and coating the mixture on the ground by using a tooth-shaped scraper to form a layer with the thickness of 10 mm. Tensile bond strength and compressive strength were measured and the results are shown in table 1. And (3) performing impact sound insulation performance test under the condition that the pavement thickness is 10mm, wherein the test result is shown in a 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 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.
Sequentially feeding cement, expanded slag or blast furnace slag, open-cell expanded perlite, gray calcium, sepiolite, porous starch, calcium formate, a water-retaining agent, ethylene, vinyl laurate and vinyl chloride terpolymer rubber powder, starch ether, polysilane powder, wood fiber and polypropylene fiber at the rotating speed of 1000r/min, and mixing and stirring for 15 minutes to obtain the thin-layer ground sound-insulation tile adhesive.
The thin-layer ground sound insulation tile glue obtained in the example 3 and water are mixed according to the mass ratio of 1: 0.28, stirring the mixture for 3 minutes to be pasty by using an electric stirrer at the rotating speed of 380r/min, standing the mixture for 2 minutes, and then scraping and coating the mixture on the ground by using a tooth-shaped scraper to form a layer with the thickness of 6 mm. Tensile bond strength and compressive strength were measured and the results are shown in table 1. And (3) carrying out impact sound insulation performance test under the condition that the pavement thickness is 6mm, wherein the test result is shown in a 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 copolymer 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.
Sequentially feeding cement, expanded slag or blast furnace slag, open-cell expanded perlite, gray calcium, sepiolite, porous starch, calcium formate, a water-retaining agent, ethylene, vinyl laurate and vinyl chloride terpolymer rubber powder, starch ether, polysilane powder, wood fiber and polypropylene fiber at the rotating speed of 1000r/min, and mixing and stirring for 15 minutes to obtain the thin-layer ground sound-insulation tile adhesive.
The thin-layer ground sound insulation tile glue obtained in the example 2 and water are mixed according to the mass ratio of 1: 0.28, stirring the mixture for 3 minutes to be pasty by using an electric stirrer at the rotating speed of 380r/min, standing the mixture for 2 minutes, and then scraping and coating the mixture on the ground by using a tooth-shaped scraper to form a layer with the thickness of 10 mm. Tensile bond strength and compressive strength were measured and the results are shown in table 1. And (3) performing impact sound insulation performance test under the condition that the pavement thickness is 10mm, wherein the test result is shown in a table 2.
Comparative example 1
Difference between comparative example 1 and example 1: the expanded slag or blast furnace slag is changed into quartz sand with the particle size of 50-100 meshes, the open-pore expanded perlite, the alpha sepiolite and the porous starch are changed into coarse whiting with the particle size of 400 meshes, and the rest of the components are the same as those in the embodiment 1.
40.0 parts of cement, 30.0 parts of 50-100-mesh quartz sand, 20.3 parts of 400-mesh heavy calcium, 5.0 parts of ash calcium, 0.5 part of calcium formate, 0.3 part of water retaining agent, 3.0 parts of ethylene, vinyl laurate and vinyl chloride terpolymer 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, sequentially feeding cement, 50-100 quartz sand, 400-mesh coarse whiting, ash calcium, calcium formate, a water-retaining agent, ethylene, vinyl laurate and vinyl chloride terpolymer rubber powder, starch ether, polysilane powder, wood fiber and polypropylene fiber, and mixing and stirring for 15 minutes to obtain the tile rubber.
Mixing the tile glue obtained in the comparative example 1 and water according to the mass ratio of 1: 0.28, stirring the mixture for 3 minutes to be pasty by using an electric stirrer at the rotating speed of 380r/min, standing the mixture for 2 minutes, and then scraping and coating the mixture on the ground by using a tooth-shaped scraper to form a layer with the thickness of 6 mm. Tensile bond strength and compressive strength were measured and the results are shown in table 1. And (3) carrying out impact sound insulation performance test under the condition that the pavement thickness is 6mm, wherein the test result is shown in a table 2.
Comparative example 2
The components and the proportion, the preparation method and the mixing technological parameters of the tile glue and the water of the comparative example 2 and the comparative example 1 are the same. The difference is as follows: a tooth-shaped scraper was used to scrape a thickness of 10mm on the ground. Tensile bond strength and compressive strength were measured and the results are shown in table 1. And (3) performing impact sound insulation performance test under the condition that the pavement thickness is 10mm, wherein the test result is shown in a table 2.
Comparative example 3
Difference of comparative example 3 from example 1: the expanded slag or blast furnace slag is changed into non-spherical chloroprene rubber, the open-pore expanded perlite is changed into inorganic vitrified micro-beads, and the ethylene, vinyl laurate and vinyl chloride ternary copolymer rubber powder and the polysilane powder are changed into redispersible ethylene-vinyl acetate copolymer resin EVA polymer rubber powder without hydrophobicity.
40.0 parts of cement, 30.0 parts of non-spherical chloroprene rubber, 10.0 parts of inorganic vitrified micro bubbles, 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.
Sequentially feeding cement, non-spherical chloroprene rubber, inorganic vitrified micro bubbles, gray calcium, alpha sepiolite, porous starch, calcium formate, a water-retaining agent, redispersible EVA polymer rubber powder, starch ether, wood fiber and polypropylene fiber at the rotation speed of 1000r/min, mixing and stirring for 15 minutes to obtain the sound insulation material.
Mixing the sound insulation material obtained in comparative example 3 with water in a mass ratio of 1: 0.28, stirring the mixture for 3 minutes to be pasty by using an electric stirrer at the rotating speed of 380r/min, standing the mixture for 2 minutes, and then scraping and coating the mixture on the ground by using a tooth-shaped scraper to form a layer with the thickness of 6 mm. Tensile bond strength and compressive strength were measured and the results are shown in table 1. And (3) carrying out impact sound insulation performance test under the condition that the pavement thickness is 6mm, wherein the test result is shown in a table 2.
Comparative example 4
The components and the proportion thereof, the preparation method, and the mixing process parameters of the sound insulation material and the water of the comparative example 4 and the comparative example 3 are the same. The difference is as follows: a tooth-shaped scraper was used to scrape a thickness of 10mm on the ground. Tensile bond strength and compressive strength were measured and the results are shown in table 1. And (3) performing impact sound insulation performance test under the condition that the pavement thickness is 10mm, wherein the test result is shown in a table 2.
Table 1 tensile bond strength and compressive strength test results of examples and comparative examples.
Table 2 impact sound insulation performance test results of examples and comparative examples.
From table 1, it can be seen that the tensile bonding strengths of the examples 1 to 4 all meet the requirements of type JC/T547-2017 ceramic tile adhesive "C1, the tensile bonding strengths are equivalent to the ceramic tile adhesive bonding performance of the comparative examples 1 and 2 which use quartz stone and coarse whiting as aggregates, the soundproof materials of the comparative examples 3 and 4 which do not add ethylene, vinyl laurate and vinyl chloride terpolymer rubber powder and polysilane powder have poor water resistance, and the tensile bonding performance after soaking does not meet the requirements of type JC/T547-2017 ceramic tile adhesive" C1, and the soundproof materials are not suitable for being bonded on 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 examples 3 and 4, which employ non-spherical chloroprene rubber and inorganic vitrified beads as aggregates. The compressive strength of the embodiments 1-4 is equivalent to that of the tile glue which takes quartz sand and heavy calcium as aggregates in the comparative examples 1 and 2, and the tile glue has good bearing capacity.
From Ln, W weighting normalized impact sound pressure level data in Table 2, it can be known that ceramic tile glue with quartz sand and heavy calcium as aggregates has poor sound insulation performance in comparative example 1 and comparative example 2, and floor impact sound insulation standards in GB50118-2010 civil building sound insulation design Specifications in examples 1-4 and comparative examples 3-4 all reach corresponding level standards of residential buildings, school buildings and hotel buildings; when the construction thickness reaches 10mm, the examples 2 and 4 reach the primary impact sound insulation standard of the floor slab of the guest room of the hotel building.
The invention has the following technical effects:
the invention selects expanded slag or blast furnace slag, open-pore expanded perlite, alpha sepiolite, porous starch and wood fiber, which have excellent sound insulation and silencing functions. The expansion slag or blast furnace slag is used as hard aggregate, the internal porosity of the expansion slag or blast furnace slag is favorable for blocking sound, the Mohs hardness of the surface of the expansion slag or blast furnace slag can reach 5-6 levels, the hydraulic gelation performance of dicalcium silicate in the components of the expansion slag or blast furnace slag can be excited through the introduction of ash calcium, and the adhesion strength and the mechanical strength of the sound-insulation tile adhesive are good under the combined action of cement gelation and hydration. The perforated expanded perlite is used as soft aggregate, so that sound waves can vibrate and penetrate the hollow loose perlite, and the sound attenuation effect is achieved. After absorbing water and expanding, alpha sepiolite can effectively block gaps among aggregates, the sepiolite has an octahedral structure and a large specific surface area, and the porous loose structure of the sepiolite has strong adsorbability and good sound insulation performance when being applied to sound insulation ceramic tile glue. Meanwhile, the cellular structure of the cellular 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, vinyl chloride ternary copolymer rubber powder and polysilane powder are used for overcoming the defect that open-cell expanded perlite, alpha-sepiolite, porous starch and wood fiber are easy to absorb water and expand, so that the thin-layer ground sound-insulation tile rubber has excellent waterproofness and water resistance, can be used on wet base surfaces such as toilets and kitchens, and has a wider application range.
The thin-layer ground sound-insulation ceramic tile adhesive disclosed by the invention can obtain excellent sound insulation performance by being thinly coated by 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, high in aggregate pressure resistance and high in mechanical strength, so that the thin-layer ground sound-insulation ceramic tile adhesive is good in overall bearing capacity and not easy to deform.
The thin-layer ground sound insulation ceramic tile glue can be prepared only by simply mixing and stirring, is suitable for industrial mass production, has a simple construction process, and can be used only by adding water and stirring uniformly on site.
Claims (10)
1. The utility model provides a thin layer ground sound insulation ceramic tile glue which characterized in that: the thin-layer ground sound insulation tile adhesive comprises the following raw materials in parts 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-cell expanded perlite, 5.0-10.0 parts of ash calcium, 4.4-9.3 parts of sepiolite, 0.6-1.0 part 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 terpolymer rubber powder and 0.2-0.4 part of wood fiber.
2. The thin floor acoustical tile glue of claim 1, wherein: the thin-layer ground sound insulation tile adhesive comprises the following raw materials in parts by mass: 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.
3. The thin floor acoustical tile glue of claim 2, wherein: the cement is early-strength ordinary portland cement.
4. The thin floor acoustical tile glue of claim 3, wherein: the sepiolite is alpha sepiolite.
5. The thin floor acoustical tile glue of claim 4, wherein: the thin-layer ground sound insulation tile adhesive is prepared from the following raw materials in parts 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 water-retaining agent, 3.0 parts of ethylene, vinyl laurate and vinyl chloride ternary copolymer 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.
6. The thin floor acoustical tile glue of claim 4, wherein: the thin-layer ground sound insulation tile adhesive is prepared from the following raw materials in parts 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 ash 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.
7. The thin floor acoustical tile glue of claim 4, wherein: the thin-layer ground sound insulation tile adhesive is prepared from the following raw materials in parts 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 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 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.
8. The thin floor acoustical tile glue of claim 4, wherein: the thin-layer ground sound insulation tile adhesive is prepared from the following raw materials in parts 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 water-retaining agent, 2.0 parts of ethylene, vinyl laurate and vinyl chloride ternary copolymer 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.
9. A preparation method of thin-layer ground sound insulation tile glue comprises the following steps: at room temperature, at the rotating speed of 1000r/min, 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 ash calcium, 4.4-9.3 parts of sepiolite, 0.6-1.0 part 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 terpolymer 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, mixing and stirring for 15 minutes to obtain the thin-layer ground sound-insulating tile adhesive.
10. The method for preparing a thin floor acoustical tile glue of claim 9, wherein: the cement is early-strength ordinary portland cement; the sepiolite is alpha sepiolite.
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