CN112680015A - Putty material - Google Patents
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- CN112680015A CN112680015A CN202110270382.XA CN202110270382A CN112680015A CN 112680015 A CN112680015 A CN 112680015A CN 202110270382 A CN202110270382 A CN 202110270382A CN 112680015 A CN112680015 A CN 112680015A
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Abstract
The invention relates to a putty material. The putty material comprises the following components in parts by mass: 80-90 parts of recovered putty, 5.1-10.2 parts of binder and external additive, wherein the preparation method of the recovered putty comprises the following steps: and (4) screening and drying the waste putty powder to prepare and recover putty. The putty material takes the recycled putty and the binder as main components, and the waste putty powder is used as a filler to replace raw materials such as quartz sand, heavy calcium carbonate and the like after being screened and treated, so that the production cost is saved, the problem of recycling of a large amount of waste putty powder is solved, waste is changed into valuable, and the environmental pollution is avoided. In addition, the proportion of the recycled putty and the binder is adjusted, so that the putty material can be applied to an inner wall or a basement.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a putty material.
Background
The putty is an important decoration material in building engineering, not only fills gaps of a wall surface base layer, but also provides a complete and flat base surface for finish paint coating. With the popularization of industrial automation, the development of artificial intelligence and the increase of construction labor cost, more and more robots replace manual operation. In the field of building decoration, putty materials are large in polishing dust, serious influence is brought to the health of constructors, and the efficiency is low. Typically, a skilled worker may polish 60m for 8 hours a day2~80m2One polishing at the same operation timeThe machine can polish 240m2~300m2. On the basis of cost and efficiency, it is an irreversible trend that robots replace manual work.
However, the putty powder polished and recycled by the putty polishing robot is huge in quantity, which accounts for about 20% -25% of the new putty, and if the putty powder is used for treating construction waste, the putty powder pollutes air and underground water, and occupies a large amount of land, so that the soil quality is reduced. Meanwhile, the treatment of the construction waste consumes a large amount of manpower, affects the appearance of the city and brings inconvenience to daily life. Therefore, the method is very important for recycling the recycled putty.
According to patent and literature retrieval results, only a few reports exist on recycling of waste putty at present, the traditional method discloses a method for preparing novel general interior wall putty by carrying out a series of modification treatments on the waste putty, and the modification treatment method is complex to operate; in another method, the waste putty powder is mixed with diammonium hydrogen phosphate to prepare an adsorbent, and the adsorbent and other additives are prepared into a compound concrete alkali-activator; also provided is a method for preparing hydroxyapatite by using the waste putty powder.
Disclosure of Invention
Therefore, the putty material prepared by taking the recycled putty as the filler is needed to be provided, so that a new solution is provided for recycling the recycled putty, the recycled putty is changed into valuable, and the environmental pollution is reduced.
The putty material comprises the following components in parts by weight: 80-90 parts of recovered putty, 5.1-10.2 parts of binder and external additive;
the preparation method of the recycled putty comprises the following steps: and (4) sieving and drying the waste putty powder to prepare the recovered putty.
In one embodiment, the sieving mesh number is 200-300 meshes, and the drying temperature is 100-110 ℃. Sieving the putty through 200-300 meshes to ensure that the recycled putty is high in whiteness and low in impurity content. Free water in the waste putty powder is removed mainly through drying treatment, and the free water can be completely removed at the temperature of 100-110 ℃.
In one embodiment, the waste putty powder is recovered by polishing with a polishing machine. Furthermore, the waste putty powder is the putty powder which is polished by a polishing machine and recycled into a machine bin. In the machine polishing process, the quantity of the recovered putty powder is large and accounts for about 20-25% of the mass of the new putty. The putty recovered by the polishing machine is used as a filler to replace raw materials such as quartz sand, coarse whiting and the like to be applied to the preparation of a new putty material after being processed, and the problems of large amount of putty powder recovered by a polishing machine bin and difficult processing are solved. In addition, the putty which is ground and recycled into the machine bin by the grinding machine is not polluted and can be used as recycled putty after being processed.
In one embodiment, the binder includes white cement and redispersible latex powder. The white cement is short for white portland cement, has high whiteness, bright color and good cohesiveness, and can ensure that the putty material has good whiteness, color and cohesiveness when the white cement is applied to the putty material. The redispersible latex powder as an organic polymer can modify and toughen white cement and improve the strength and crack resistance of the binder.
In one embodiment, the putty material comprises the following components in parts by weight: 5-10 parts of white cement, 80-90 parts of recovered putty and 0.1-0.2 part of redispersible latex powder. Within the range of the mixture ratio, the performance of the prepared putty material is better.
In one embodiment, the external additive includes at least one of an antistatic agent, a water repellent agent, and a mold and bacteria preventive agent. The antistatic agent is added, and the conductivity of the putty material is improved through the ion conduction or moisture absorption of the ionized group or the polar group, so that the charge leakage forms a leakage charge channel, and the antistatic purpose is achieved. The waterproof agent is added to improve the waterproofness of the material. The addition of the mildew-proof antibacterial agent can eliminate and inhibit the growth and reproduction of bacteria and avoid harm to human bodies.
In one embodiment, the putty material comprises the following components in parts by weight: 5-10 parts of white cement, 80-90 parts of recovered putty, 0.1-0.2 part of redispersible latex powder, 1-3 parts of antistatic agent, 1-2 parts of waterproof agent and 1-2 parts of mildew-proof antibacterial agent. Within the range of the mixture ratio, the putty material has excellent adhesive property, antistatic property, waterproof property and mildew-proof antibacterial property, and is a novel building material integrating water resistance, mildew resistance, antibacterial property and antistatic property.
In one embodiment, the antistatic agent includes a first component selected from at least one of polyoxyethylene castor oil, polyoxyethylene laurate and polyethylene glycol and a second component selected from at least one of quaternary ammonium salts, tertiary amine salts and carboxylic acid salts. The organic additive of the first component contains an ether segment, which is easy to combine with water in the air through hydrogen bonds to form a channel, so that the generated static charge can be quickly leaked through ion conduction and moisture absorption. The ionic second component can increase the lubricity of the surface of the material, and reduce or even avoid the generation of static charges, so that the first component and the second component are combined for use, the generation of the static charges is reduced, the generated static charges are quickly leaked, and the excellent antistatic effect is achieved.
In one embodiment, the water repellent agent is sodium methyl silicate. The sodium methyl silicate has good penetrating crystallinity, and silanol groups in molecules react with silanol groups in a silicate material to be dehydrated and crosslinked, so that an excellent hydrophobic layer is formed by an anti-capillary effect.
In one embodiment, the mildewcide antibacterial agent is sodium diacetate. Sodium diacetate as an efficient broad-spectrum antibacterial mildew preventive can efficiently inhibit the breeding and spread of more than ten kinds of mycotoxins and various kinds of bacteria by permeating the cell walls of microorganisms and interfering the generation of various enzyme systems in cells.
In one embodiment, the putty material further comprises at least one of fumed silica, cellulose ethers, thixotropic agents, stabilizers, and graphene oxide. The fumed silica can form silica sol after being dispersed in water at a high speed, and the silica sol has good wall-mounting effect by utilizing the excellent bonding strength of the silica sol and better mixing effect on other filling aids. The cellulose ether has water-retaining and thickening effects. The thixotropic agent is added into the putty material, so that the smoothness of construction can be improved, the sag resistance is improved, the sedimentation and layering are reduced, and the viscosity of a system can be improved and the construction property is improved by matching with thickening agents such as cellulose ether and the like. The stabilizer can improve the stability of the putty and the dispersibility of the components.
In one embodiment, the putty material comprises the following components in parts by weight: 5-10 parts of white cement, 80-90 parts of recovered putty, 1-1.5 parts of fumed silica, 0.2-0.5 part of cellulose ether, 0.1-0.2 part of redispersible latex powder, 0.1-0.2 part of thixotropic agent, 1-2 parts of mildew-proof antibacterial agent, 1-3 parts of antistatic agent, 1-2 parts of waterproof agent, 0.2-0.5 part of stabilizer and 0.2-0.5 part of graphene oxide.
Compared with the prior art, the putty material has the following beneficial effects:
the putty material disclosed by the invention takes the recycled putty and the binder as main components, and the waste putty powder is used as a filler to replace raw materials such as quartz sand, heavy calcium carbonate and the like after being screened and dried, so that the production cost is saved, the problem of recycling of a large amount of waste putty powder is solved, waste is changed into wealth, and the environmental pollution is avoided. In addition, the proportion of the recycled putty and the binder is adjusted, so that the putty material can be applied to an inner wall or a basement. And experiments prove that in the putty material, the reclaimed putty is adopted to replace the coarse whiting, the requirement can be met without extra dosage and extra preparation processing procedures, and the performance such as bonding strength and the like of the putty material prepared by replacing the coarse whiting with the reclaimed putty is better. The conventional method is to perform multi-step operations such as crushing, acid liquor soaking, alkali liquor soaking, freezing roasting and the like on the waste putty to obtain the regenerated interior wall putty, the operation is complex, and the method aims to ensure that the regenerated putty has the functions of water resistance, alkali resistance and the like through multi-step treatment, so that the regenerated putty can be used for preparing functional putty. In addition, the putty material can realize the water resistance and the like of the putty material by adding external additives such as a waterproof agent and the like, so that the performance of the interior wall putty meets the technical requirements of JG/T298 + 2010 putty for building interior, the waste putty powder does not need to be subjected to multi-step treatment, and the method is simpler.
Detailed Description
In order that the invention may be more fully understood, reference will now be made to the following description taken in conjunction with the accompanying drawings. The detailed description sets forth the preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Specifically, the putty material of an embodiment comprises the following components in parts by weight: 80-90 parts of recovered putty, 5.1-10.2 parts of binder and external additive.
The preparation method of the recycled putty comprises the following steps: and (4) sieving and drying the waste putty powder to prepare and recover the putty. Wherein the number of the sieved meshes is 200-300 meshes. The purpose of sieving is to remove large-particle substances in the recovered putty, so that the recovered putty has high whiteness and low impurity content. The drying temperature is 100-110 ℃. The drying function is mainly to remove free water in the waste putty powder, and the free water can be completely removed at the temperature of 100-110 ℃.
The main components of the waste putty powder are calcium carbonate, magnesium silicate and the like, and the waste putty powder can be used as a filler after being screened and dried to replace raw materials such as quartz sand, coarse whiting and the like, so that the cost is saved, and the waste putty powder is recycled. Experiments prove that in the putty material, the reclaimed putty is adopted to replace the coarse whiting, the requirements can be met without extra dosage and extra preparation processing procedures, and the reclaimed putty is used to replace the coarse whiting, so that the prepared putty material has better performances such as bonding strength and the like.
Specifically, the waste putty powder is the putty powder which is polished and recycled by a polishing machine. Furthermore, the waste putty powder is the putty powder which is polished by a polishing machine and recycled into a machine bin. The amount of putty powder recovered by a polishing machine bin is huge and accounts for about 20-25% of the amount of new putty. After consulting related documents, the research on the recycling of the putty is still less. If the waste is directly used as construction waste, the waste pollutes air and underground water, occupies a large amount of land and reduces the soil quality. Meanwhile, the treatment of the construction waste consumes a large amount of manpower, affects the appearance of the city and brings inconvenience to daily life. In the embodiment, the putty powder which is polished by the polishing machine and recycled into the machine bin is treated and then used as a filler to replace raw materials such as quartz sand, heavy calcium and the like in the preparation of new putty materials, so that the problems of large amount of the putty powder recycled by the polishing machine bin and difficult treatment are solved. In addition, the putty powder which is ground and recycled into the machine bin by the grinding machine is not polluted and can be used as recycled putty after being processed. If the putty in the machine bin is recovered by a machine which is not a polishing machine, the putty cannot be used as recovered putty after being screened and dried due to pollution. In particular, the putty recovered from non-sanding machine bins is contaminated with floor dust, impurities, such as ground mortar ash, and other materials. The waste putty powder and impurities are powder with the same particle size, so that the separation is not good, and the separation cost is high. And the polluted waste putty powder has unstable performance, can bring hidden danger to the performance of later-stage products as a raw material, and has influence on the construction performance, the water retention property, the later-stage tensile bonding strength and the like. Therefore, in the embodiment, the putty powder recovered into the machine bin by polishing by a polishing machine is used as waste putty powder, and the waste putty powder is screened and dried to be used as recovered putty and applied to a putty material.
Specifically, the binder includes white cement and re-dispersible latex powder. The white cement is short for white portland cement, has high whiteness, bright color and good cohesiveness, and can ensure that the putty material has good whiteness, color and cohesiveness when the white cement is applied to the putty material. The redispersible latex powder as an organic polymer can modify and toughen white cement and improve the strength and crack resistance of the binder.
Specifically, the putty material comprises the following components in parts by weight: 5-10 parts of white cement, 80-90 parts of recovered putty and 0.1-0.2 part of redispersible latex powder. Within the range of the mixture ratio, the putty material has better adhesive property.
In some embodiments, the external additive includes at least one of an antistatic agent, a water repellent agent, and a mold and bacteria inhibitor. Preferably, the external additives include antistatic agents, water-proofing agents and mildewproof antibacterial agents.
The antistatic agent comprises a first component and a second component, wherein the first component is selected from at least one of polyoxyethylene castor oil, polyoxyethylene laurate and polyethylene glycol, and the second component is selected from at least one of quaternary ammonium salt, tertiary amine salt and carboxylate. In one embodiment, the quaternary ammonium salt is antistatic agent SN (octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate), antistatic agent TM (trihydroxyethyl methyl quaternary ammonium methyl sulfate), antistatic agent SP-K or antistatic agent KF-203, the tertiary amine salt is stearyl trimethyl ammonium chloride or stearamidopropyl dimethyl-beta-hydroxyethyl ammonium dihydrogen phosphate, and the carboxylate is lauryl alcohol carboxylate or sodium fatty acid. In the antistatic agent, the first component and the second component may be mixed in any ratio.
Specifically, the mechanism of realization of the antistatic agent is as follows:
there are three main ways to realize static prevention: a. forming a conductive layer on the surface of the material, thereby reducing the surface resistivity thereof and rapidly leaking the generated static charge; b. the friction coefficient is reduced by endowing the surface of the material with certain lubricity, so that the generation of static charge is inhibited and reduced; c. a conductive path is created to allow the charged particles to make contact.
When the putty is polished by a machine, charged ions attract dust (mainly polished putty powder) in the air on the surface of the putty, so that the polished putty cannot be completely recovered into a machine cabin, a putty wall body needs to be cleaned for the second time, the workload is increased, and the environmental protection is not facilitated. When the antistatic agent is added into the putty, the conductivity of the putty is improved through the ion conduction or moisture absorption of the ionized group or the polar group, so that the charge leakage forms a leakage charge channel, and the antistatic purpose is achieved.
Therefore, in this embodiment, the antistatic agent mixed with the first component and the second component is added to improve the antistatic property of the putty material. The organic additive of the first component, such as polyoxyethylene castor oil, polyoxyethylene laurate, polyethylene glycol and the like, contains an ether segment, is very easy to combine with water in the air through a hydrogen bond to form a channel, and the generated static charge is quickly leaked through ion conduction and moisture absorption. And an ionic second component: the quaternary ammonium salt, the tertiary amine salt or the carboxylate organic compound can increase the lubricity of the surface of the material and reduce or even avoid the generation of static charges, so that the first component and the second component are combined for use, the generation of the static charges is reduced, the generated static charges are quickly leaked, and the antistatic effect is excellent. Experiments prove that the surface resistivity of the putty material is 106Ω~109Omega, the antistatic requirement is met.
Specifically, the putty material comprises the following components in parts by weight: 5-10 parts of white cement, 80-90 parts of recycled putty, 0.1-0.2 part of redispersible latex powder and 1-3 parts of antistatic agent.
In one embodiment, the water repellent agent is sodium methyl silicate. The sodium methyl silicate has good penetrating crystallinity, and silanol groups in molecules react with silanol groups in a silicate material to be dehydrated and crosslinked, so that an excellent hydrophobic layer is formed by an anti-capillary effect. Under the action of carbon dioxide, methyl sodium silicate generates methyl silanol, the methyl silanol is further combined by self polymerization and reacts with calcium ions in a silicate material, a layer of insoluble waterproof high molecular compound with the thickness of several molecules, namely a reticular organic silicon resin film, is generated inside the surface area of the structural material, has good water-resistant permeability and micro-expansion, can compensate the shrinkage of the putty material, enhances the initial drying crack resistance of the putty material, increases the compactness and increases the mechanical property of the putty material. Experiments prove that the water resistance of the putty material of the embodiment meets the technical requirement of water resistance (N) of JG/T298-.
Further, the putty material comprises the following components in parts by weight: 5-10 parts of white cement, 80-90 parts of recovered putty, 0.1-0.2 part of redispersible latex powder and 1-2 parts of waterproof agent.
Wall mold parasitizes on the surface of a wall in a flora manner by utilizing available carbon sources and nitrogen sources in a wall skin layer (generally referred to as a putty layer and a finish paint layer) under proper temperature and humidity, and a fungus flora which is propagated in a large quantity usually presents the shapes of black hair, green hair, red hair, yellow hair and the like. The components of wall mould are complex, most of the wall mould is toxic, and the long-term inhalation of the spores is very harmful to human health.
Moulds usually grow as hyphae and propagate as spores. The reproduction speed is closely related to factors such as nutrient substances, temperature, humidity, oxygen, pH value and the like. The mould is preferably in an acidic environment and aerobic, the optimum growth temperature is 25-35 ℃, and the mould can grow well under the condition that the relative humidity is 90-100%. In this embodiment, the putty material is a cement-based putty that is an alkaline environment in which the cell walls and nuclei of the mold are destroyed and which also lacks the nutrients required for mold growth.
In addition, the mildew-proof antibacterial agent is added into the putty material, firstly contacts and is adsorbed on a cell wall and a cell membrane system, then enters protoplasm through the cell membrane, eliminates or inhibits the activity of various biochemical reaction enzymes or metabolic enzymes in the mould cell, and finally acts on genetic material or a genetic particle structure, namely inhibits the synthesis of RNA when spores germinate, thereby preventing the spores from germinate and playing the bacteriostatic and bactericidal roles. Preferably, in the embodiment, the mildew-proof antibacterial agent is sodium diacetate, which is used as a high-efficiency and broad-spectrum antibacterial and mildew-proof agent, and can efficiently inhibit the breeding and spread of more than ten kinds of mycotoxins and various kinds of bacteria by permeating the cell wall of the microorganism and interfering the generation of various enzyme systems in the cell. Experiments prove that the antibacterial performance of the putty material of the embodiment meets the 0-grade requirement (no mould growth, namely no growth observed under a microscope of 50 times) in HG/T3950-2007 antibacterial paint.
Further, the putty material comprises the following components in parts by weight: 5-10 parts of white cement, 80-90 parts of recovered putty, 0.1-0.2 part of redispersible latex powder and 1-2 parts of mildew-proof antibacterial agent.
Preferably, the external additives include antistatic agents, water-proofing agents and mildewproof antibacterial agents. The putty material comprises the following components in parts by weight: 5-10 parts of white cement, 80-90 parts of recovered putty, 0.1-0.2 part of redispersible latex powder, 1-3 parts of antistatic agent, 1-2 parts of waterproof agent and 1-2 parts of mildew-proof antibacterial agent.
In some of these embodiments, the putty material further comprises at least one of fumed silica, cellulose ethers, thixotropic agents, stabilizers, and graphene oxide. Preferably, the putty material also includes fumed silica, cellulose ethers, thixotropic agents, stabilizers, and graphene oxide.
Wherein, the fumed silica can form silica sol after being dispersed in water at a high speed, and the silica sol has good wall-mounting effect by utilizing the excellent bonding strength of the silica sol and better mixing effect on other filling aids. In addition, the fumed silica also has certain anti-settling property. Specifically, the mass part of the fumed silica is 1-1.5 parts.
The cellulose ether has water-retaining and thickening effects. On one hand, the cellulose ether has good water-retaining property, and can ensure that the putty material does not cause sand rise, powder rise and low strength due to water shortage or incomplete hydration of cement. On the other hand, the thickening effect of the cellulose ether can greatly enhance the structural strength of the putty material, improve the anti-sagging capability, and improve the properties such as early bonding strength. Specifically, the mass portion of the cellulose ether is 0.2-0.5.
The thixotropic agent is added into the putty material, so that the smoothness of construction can be improved, the sag resistance is improved, the sedimentation and layering are reduced, and the viscosity of a system can be improved and the construction property is improved by matching with thickening agents such as cellulose ether and the like. Specifically, the thixotropic agent is 0.1-0.2 parts by mass. In one embodiment, the thixotropic agent is an organobentonite, fumed silica, or hydrogenated castor oil.
The stabilizing agent can improve the stability of the putty material and the dispersibility of the components. Specifically, the mass part of the stabilizer is 0.2-0.5. In one embodiment, the stabilizer is a basf 3003f stabilizer or a longhu WD230 stabilizer.
The graphene oxide is added into the putty material, so that the mechanical properties of the putty material, such as flexural strength, compressive strength and the like, can be effectively improved. Specifically, the mass part of the graphene oxide is 0.2-0.5 part.
In some embodiments, the putty material comprises the following ingredients in parts by weight: 5-10 parts of white cement, 80-90 parts of recovered putty, 1-1.5 parts of fumed silica, 0.2-0.5 part of cellulose ether, 0.1-0.2 part of redispersible latex powder, 0.1-0.2 part of thixotropic agent, 1-2 parts of mildew-proof antibacterial agent, 1-3 parts of antistatic agent, 1-2 parts of waterproof agent, 0.2-0.5 part of stabilizer and 0.2-0.5 part of graphene oxide.
The putty material with the components and the proportion solves the problem of recycling a large amount of waste putty powder, changes waste into valuable, saves cost, and has good antistatic property, waterproof property and mildew-proof antibacterial property.
In one embodiment, the putty material can be used as inner wall putty.
The putty material at least has the following advantages:
(1) the putty material takes the recycled putty and the binder as main components, and the waste putty powder is used as a filler to replace raw materials such as quartz sand, heavy calcium carbonate and the like after being screened and dried, so that the production cost is saved, the problem of recycling of a large amount of waste putty powder is solved, waste is changed into valuable, and the environmental pollution is avoided. In addition, the proportion of the recycled putty and the binder is adjusted, so that the putty material can be applied to an inner wall or a basement. The conventional method is to perform multi-step operations such as crushing, acid liquor soaking, alkali liquor soaking, freezing roasting and the like on the waste putty to obtain the regenerated interior wall putty, the operation is complex, and the method aims to ensure that the regenerated putty has the functions of water resistance, alkali resistance and the like through multi-step treatment, so that the regenerated putty can be used for preparing functional putty. In addition, the putty material can realize the water resistance and the like of the putty material by adding external additives such as a waterproof agent and the like, so that the performance of the putty material meets the technical requirements of JG/T298 + 2010 putty for building interior, the waste putty material does not need to be subjected to multi-step treatment, and the method is simpler.
(2) The workability, the sanding property, the surface drying time, the state in a container, the initial drying crack resistance, the bonding strength, the water resistance and the like of the putty material all meet the technical requirements of the water resistance type (N) of JG/T298-; the antibacterial performance meets the 0-level requirement (no mould growth, namely no growth is observed under a microscope of 50 times) in HG/T3950-2007 antibacterial paint; surface resistivity of 106Ω~109Omega, the antistatic requirement is met, so that the putty material has good waterproofness, antistatic property and mildew-proof antibacterial property.
(3) The putty material has antistatic property, so that the quantity of the follow-up putty material adsorbed on a wall body is reduced when the follow-up putty material is polished, the more the recovered putty is, the smoother surface of the polished putty is, the quantity of dust is reduced, and the environment protection is facilitated.
(4) The putty material is a cement-based single-component environment-friendly product, is suitable for spraying by robots and scraping by manpower, and is simple and convenient to operate and high in construction efficiency.
The following is a specific embodiment part, wherein the recovered putty used in the embodiment is the putty recovered by a grinding machine bin, and is sieved by a 200-mesh sieve and then dried at 105 ℃; white cement from 32.5, fumed silica from Hubei Huichi Rich nanomaterials, cellulose ether from Guangdong Longhu science and technology, redispersible latex powder from Guangdong Longhu science and technology, thixotropic agent organobentonite from Guangzhou Xinghai chemical science and technology, antimildew and antibacterial sodium diacetate from Aimeier antimildew and antibacterial science and technology, sodium methylsilicate from Guangzhou chemical reagent plant, Longhu WD230 stabilizer from Guangdong Longhu science and technology, graphene oxide from Jiangsu Xifeng nanomaterials technology, polyoxyethylene castor oil from Guangzhou chemical reagent plant, polyoxyethylene laurate from Guangzhou chemical reagent plant, polyethylene glycol from Guangzhou chemical reagent plant, quaternary ammonium salt antistatic agent from Guangzhou chemical reagent plant, tertiary amine salt stearoyl trimethyl ammonium chloride from Guangzhou chemical reagent plant, sodium carboxylate fatty acid was purchased from Guangzhou chemical industries.
Example 1
The putty material comprises the following components in parts by weight:
10 parts of white cement, 86 parts of recycled putty, 1.0 part of fumed silica, 0.2 part of cellulose ether, 0.1 part of redispersible latex powder, 0.15 part of thixotropic agent, 1.0 part of mildew-proof antibacterial agent, 1.8 parts of antistatic agent (polyoxyethylene castor oil and quaternary ammonium salt in a mass ratio of 3: 2), 1.3 parts of sodium methyl silicate, 0.2 part of stabilizer and 0.2 part of graphene oxide.
The preparation process of the putty material of the embodiment is specifically as follows:
and fully and uniformly mixing the components to obtain the putty material.
Example 2
The putty material comprises the following components in parts by weight:
8 parts of white cement, 88 parts of recycled putty, 1.3 parts of fumed silica, 0.3 part of cellulose ether, 0.15 part of redispersible latex powder, 0.1 part of thixotropic agent, 1.5 parts of mildew-proof antibacterial agent, 2.0 parts of antistatic agent (polyoxyethylene laurate and tertiary amine salt with the mass ratio of 3: 2), 1.5 parts of sodium methyl silicate, 0.3 part of stabilizer and 0.3 part of graphene oxide.
The preparation process of the putty material of the embodiment is specifically as follows:
and fully and uniformly mixing the components to obtain the putty material.
Example 3
The putty material comprises the following components in parts by weight:
9 parts of white cement, 84 parts of recycled putty, 1.5 parts of fumed silica, 0.2 part of cellulose ether, 0.1 part of redispersible latex powder, 0.1 part of thixotropic agent, 1.2 parts of mildew-proof antibacterial agent, 1.0 part of antistatic agent (polyethylene glycol and carboxylate with the mass ratio of 3: 2), 1.0 part of sodium methyl silicate, 0.3 part of stabilizer and 0.4 part of graphene oxide.
The preparation process of the putty material of the embodiment is specifically as follows:
and fully and uniformly mixing the components to obtain the putty material.
Example 4
The putty material comprises the following components in parts by weight:
5 parts of white cement, 90 parts of recovered putty, 1.0 part of fumed silica, 0.2 part of cellulose ether, 0.2 part of redispersible latex powder, 0.2 part of thixotropic agent, 1.3 parts of mildew-proof antibacterial agent, 1.2 parts of antistatic agent (polyoxyethylene castor oil and carboxylate with the mass ratio of 3: 2), 1.0 part of sodium methyl silicate, 0.5 part of stabilizer and 0.5 part of graphene oxide.
The preparation process of the putty material of the embodiment is specifically as follows:
and fully and uniformly mixing the components to obtain the putty material.
Example 5
The putty material comprises the following components in parts by weight:
8 parts of white cement, 80 parts of recycled putty, 1.5 parts of fumed silica, 0.5 part of cellulose ether, 0.2 part of redispersible latex powder, 0.15 part of thixotropic agent, 2.0 parts of mildew-proof antibacterial agent, 3.0 parts of antistatic agent (polyoxyethylene castor oil and tertiary amine salt with the mass ratio of 3: 2), 2.0 parts of sodium methyl silicate, 0.3 part of stabilizer and 0.5 part of graphene oxide.
The preparation process of the putty material of the embodiment is specifically as follows:
and fully and uniformly mixing the components to obtain the putty material.
Example 6
The putty material comprises the following components in parts by weight:
9 parts of white cement, 84 parts of recycled putty, 1.2 parts of fumed silica, 0.4 part of cellulose ether, 0.18 part of redispersible latex powder, 0.18 part of thixotropic agent, 1.6 parts of mildew-proof antibacterial agent, 2.5 parts of antistatic agent (polyoxyethylene laurate and quaternary ammonium salt with the mass ratio of 3: 2), 1.6 parts of sodium methyl silicate, 0.3 part of stabilizer and 0.5 part of graphene oxide.
The preparation process of the putty material of the embodiment is specifically as follows:
and fully and uniformly mixing the components to obtain the putty material.
Example 7
The putty material of embodiment 7 comprises the following components in parts by weight:
10 parts of white cement, 86 parts of recycled putty, 1.0 part of fumed silica, 0.2 part of cellulose ether, 0.1 part of redispersible latex powder, 0.15 part of thixotropic agent, 1.0 part of mildew-proof antibacterial agent, 1.8 parts of antistatic agent (polyoxyethylene castor oil), 1.3 parts of sodium methyl silicate, 0.2 part of stabilizer and 0.2 part of graphene oxide.
The preparation process of the putty material of the embodiment is specifically as follows:
and fully and uniformly mixing the components to obtain the putty material.
Example 8
The putty material of embodiment 8 comprises the following components in parts by weight:
10 parts of white cement, 86 parts of recycled putty, 1.0 part of fumed silica, 0.2 part of cellulose ether, 0.1 part of redispersible latex powder, 0.15 part of thixotropic agent, 1.0 part of mildew-proof antibacterial agent, 1.8 parts of antistatic agent (quaternary ammonium salt), 1.3 parts of sodium methyl silicate, 0.2 part of stabilizer and 0.2 part of graphene oxide.
The preparation process of the putty material of the embodiment is specifically as follows:
and fully and uniformly mixing the components to obtain the putty material.
Comparative example 1
The putty material of comparative example 1 comprises the following components in percentage by weight:
9 parts of white cement, 87 parts of heavy calcium carbonate, 1.2 parts of fumed silica, 0.3 part of cellulose ether, 0.15 part of redispersible latex powder, 0.15 part of thixotropic agent, 1.2 parts of mildew-proof antibacterial agent, 1.6 parts of antistatic agent (polyoxyethylene castor oil and quaternary ammonium salt with the mass ratio of 3: 2), 1.2 parts of sodium methyl silicate, 0.3 part of stabilizer and 0.3 part of graphene oxide.
The preparation process of the putty material of comparative example 1 is the same as the preparation process of the putty material of example 1.
Comparative example 2
The composition and the proportion of the putty material of comparative example 2 are similar to those of the putty material of example 1, and the difference is that: the recovered putty used in comparative example 2 was directly used in a putty material without being sieved and dried.
The preparation process of the putty material of comparative example 2 is the same as the preparation process of the putty material of example 1.
Comparative example 3
The putty material of comparative example 3 comprises the following components in percentage by weight:
3 parts of white cement, 86 parts of recovered putty, 1.0 part of fumed silica, 0.2 part of cellulose ether, 0.1 part of redispersible latex powder, 0.15 part of thixotropic agent, 1.0 part of mildew-proof antibacterial agent, 1.8 parts of antistatic agent (polyoxyethylene castor oil and quaternary ammonium salt in a mass ratio of 3: 2), 1.3 parts of sodium methyl silicate, 0.2 part of stabilizer and 0.2 part of graphene oxide.
The preparation process of the putty material of comparative example 3 is the same as the preparation process of the putty material of example 1.
Comparative example 4
The putty material of comparative example 4 comprises the following components in percentage by weight:
10 parts of white cement, 95 parts of recovered putty, 1.0 part of fumed silica, 0.2 part of cellulose ether, 0.1 part of redispersible latex powder, 0.15 part of thixotropic agent, 1.0 part of mildew-proof antibacterial agent, 1.8 parts of antistatic agent (polyoxyethylene castor oil and quaternary ammonium salt in a mass ratio of 3: 2), 1.3 parts of sodium methyl silicate, 0.2 part of stabilizer and 0.2 part of graphene oxide.
The performance indexes and corresponding test standards of the putty materials prepared in the above examples and comparative examples are shown in the following tables 1 and 2:
TABLE 1 Performance data for the putty materials of the examples
TABLE 2 Performance data for putty materials of examples and comparative examples
In the above table, the 0 th order of the antifungal activity means that no growth of mold, i.e., no growth was observed under a 50-fold microscope, indicating that the antifungal activity was good.
It can be seen from the above table that the putty material of the embodiment uses the recovered putty obtained by sieving and drying the waste putty powder as a filler, and is matched with the white cement, the redispersible latex powder, the antistatic agent, the waterproof agent, the mildew-proof antibacterial agent and the like, so that the putty material has good waterproof property, antistatic property and mildew-proof antibacterial property, high bonding strength and good construction property, the initial drying crack resistance and the polishing property meet the requirements, the problem of processing the waste putty powder polished by a machine is solved, waste is changed into valuable, the environment is protected, and the production cost is reduced.
It can be seen from the comparison of comparative example 1 and the example that, in the putty material, the reclaimed putty is adopted to replace the coarse whiting, the requirement can be met without extra dosage and extra preparation processing procedures, and the reclaimed putty is used to replace the coarse whiting in the example, so that the prepared putty material has better performances such as bonding strength and the like. The putty material of comparative example 2, in which the recovered putty was not dried and sieved, was seriously dusted, and had cracks at the initial stage, pinholes in the coating, and poor in both adhesive strength and water resistance. In the putty materials of comparative example 3 and comparative example 4, the mixture ratio is different from that of example 1, the prepared putty materials have serious powder falling after being polished, cracks at the initial stage, pinholes on the coating, and poor bonding strength and water resistance.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (12)
1. The putty material is characterized by comprising the following components in parts by weight: 80-90 parts of recovered putty, 5.1-10.2 parts of binder and external additive;
the preparation method of the recycled putty comprises the following steps: and (4) sieving and drying the waste putty powder to prepare the recovered putty.
2. The putty material as recited in claim 1, wherein the mesh size of the screen is 200-300 mesh, and the drying temperature is 100-110 ℃.
3. The putty material of claim 1, wherein the waste putty powder is recovered by a sanding machine.
4. The putty material of claim 1, wherein the binder includes white cement and re-dispersible latex powder.
5. The putty material of claim 4, which is characterized by comprising the following components in parts by weight: 5-10 parts of white cement, 80-90 parts of recovered putty and 0.1-0.2 part of redispersible latex powder.
6. The putty material as recited in any one of claims 1 to 5, wherein the external additive includes at least one of an antistatic agent, a water repellent agent, and a mildewproof antibacterial agent.
7. The putty material of claim 6, which is characterized by comprising the following components in parts by weight: 5-10 parts of white cement, 80-90 parts of recovered putty, 0.1-0.2 part of redispersible latex powder, 1-3 parts of antistatic agent, 1-2 parts of waterproof agent and 1-2 parts of mildew-proof antibacterial agent.
8. The putty material of claim 6, wherein the antistatic agent includes a first component selected from at least one of polyoxyethylene castor oil, polyoxyethylene laurate, and polyethylene glycol and a second component selected from at least one of quaternary ammonium salts, tertiary amine salts, and carboxylic acid salts.
9. The putty material of claim 6, wherein the water repellant is sodium methyl silicate.
10. The putty material of claim 6, wherein the mildew and antimicrobial agent is sodium diacetate.
11. The putty material of any one of claims 1-5 and 7-10, further comprising at least one of fumed silica, cellulose ethers, thixotropic agents, stabilizers, and graphene oxide.
12. The putty material of claim 11, which is characterized by comprising the following components in parts by weight: 5-10 parts of white cement, 80-90 parts of recovered putty, 1-1.5 parts of fumed silica, 0.2-0.5 part of cellulose ether, 0.1-0.2 part of redispersible latex powder, 0.1-0.2 part of thixotropic agent, 1-2 parts of mildew-proof antibacterial agent, 1-3 parts of antistatic agent, 1-2 parts of waterproof agent, 0.2-0.5 part of stabilizer and 0.2-0.5 part of graphene oxide.
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