CN112011208A - Putty surface decoration material and preparation method and use method thereof - Google Patents
Putty surface decoration material and preparation method and use method thereof Download PDFInfo
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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Abstract
The invention relates to a putty surface decoration material and a preparation method and a use method thereof. The putty surface decoration material comprises the following raw materials in parts by weight: 10-30 parts of base material; 20-40 parts of manganese dioxide loaded diatomite; 1-5 parts of calcium carbonate whiskers; 5-10 parts of nano titanium dioxide; 5-10 parts of alumina; 15-50 parts of heavy calcium carbonate; 5-35 parts of spherical silicon micro powder. The putty surface decoration material can improve the effects of antibiosis, mildew prevention, deodorization and formaldehyde removal.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a putty surface decoration material and a preparation method and a use method thereof.
Background
The putty surface decorating material is a surface filling material for preprocessing a construction surface before paint construction, mainly aims to fill the pores of the construction surface and correct the curve deviation of the construction surface, lays a foundation for obtaining a uniform and smooth paint surface, and is suitable for underground engineering of houses, public buildings, civil air defense engineering and the like; large-scale overground construction projects such as factory buildings, office buildings, schools and the like.
Some putty surface decorating materials face indoor environment, which is most contacted by people, the indoor environment is always full of formaldehyde and other harmful substances due to various reasons such as indoor decoration, and with the increasing demand of the society for substances, the requirements of people on the putty surface decorating materials are higher and higher nowadays, for example, the putty surface materials are required to have mildew-proof and antibacterial effects and do not contain formaldehyde, and even the putty surface materials are required to be capable of purifying formaldehyde and removing odor. However, the putty surface decorating materials for removing formaldehyde in the market are almost not available, the pure latex paint is expensive, the removal of formaldehyde and harmful substances in a relative unit area is limited, and most of the materials depend on later residents or developers to independently remove formaldehyde and harmful substances by placing bamboo charcoal bags and the like.
At present, the high-performance putty surface decorating materials in the market are emphasized on the water-resistant and moisture-proof performance, and few materials are added with a low-end formaldehyde removing treating agent or a special formaldehyde removing auxiliary agent to remove formaldehyde by partially adding the formaldehyde removing treating agent or the latex paint, but the formaldehyde removing auxiliary agent has low removal effect on indoor formaldehyde and is expensive; on the other hand, the putty added with the formaldehyde-removing treating agent at the low end is only added with the treating agent on the basis of the traditional process, the construction performance of the putty is not adjusted, and the traditional blade coating mode is only used, so that the efficient construction and labor cost saving can not be realized.
Disclosure of Invention
Based on the above, the invention provides a putty surface decoration material which can improve the effects of antibiosis, mildew prevention, deodorization and formaldehyde removal.
The putty surface decorating material comprises the following preparation raw materials in parts by weight:
10 to 30 portions of base material
20-40 parts of manganese dioxide loaded diatomite;
1-5 parts of calcium carbonate whiskers;
5-10 parts of nano titanium dioxide;
5-10 parts of alumina;
15-50 parts of heavy calcium carbonate;
5-35 parts of spherical silicon micro powder.
In one embodiment, the putty surface decoration material comprises the following raw materials in parts by weight:
10-30 parts of base material;
30-40 parts of manganese dioxide loaded diatomite;
1-5 parts of calcium carbonate whiskers;
5-7.5 parts of nano titanium dioxide;
5 to 10 portions of alumina
15-20 parts of heavy calcium carbonate;
8-20 parts of spherical silicon micropowder.
The preferable components are advantageous for exerting more excellent formaldehyde removal effect.
In one embodiment, the binder is selected from inorganic-based binders and/or organic-based binders.
In one embodiment, the inorganic base material is white cement. After calcium oxide in the white cement is hydrated, a strong alkaline material can be formed, and positive and negative ion groups in the air are increased.
In one embodiment, the organic-based binder is a polymer latex powder. The polymer latex powder can make the coating of the putty more compact, improve the bonding strength and the water and moisture resistance of the putty, and improve and optimize the apparent effect of the putty.
In one embodiment, the putty surface decorating material also comprises a mildew preventive from the preparation raw materials.
In one embodiment, the mildew preventive is nano zinc oxide. The nanometer zinc oxide has no VOC, no toxicity and no toxicity, so that the zinc oxide mildew preventive more meets the design requirements of modern home decoration, and although the single mildew preventive and sterilization capability of the nanometer zinc oxide mildew preventive is not as good as that of an organic mildew preventive, the nanometer zinc oxide mildew preventive is matched with white cement and manganese dioxide loaded diatomite and calcium carbonate whiskers for use, and the mildew preventive and sterilization effect of the nanometer zinc oxide mildew preventive is even better than that of the organic mildew preventive. And the addition of the organic sterilization mildew inhibitor can lead the putty to have low toxicity, thus not meeting the increasingly high requirements on environmental protection at present. The nontoxic inorganic zinc oxide is added, so that the contact area of the inorganic zinc oxide in the porous manganese dioxide loaded diatomite and the porous manganese dioxide loaded alumina is larger, and the mildew-proof and sterilization capacity is greatly enhanced under the double adsorption action of the inorganic zinc oxide and the porous manganese dioxide loaded diatomite and the porous manganese dioxide loaded alumina, so that the mildew-proof and sterilization effect similar to that of an organic mildew-proof bactericide can be achieved.
In one embodiment, the raw materials for preparing the putty surface decorating material also comprise other auxiliary agents, and the other auxiliary agents are selected from one or more of hydroxypropyl methyl cellulose ether, defoaming agent and water repellent.
The hydroxypropyl methyl cellulose ether is beneficial to improving the moisture retention performance of the putty and improving the construction performance.
In one embodiment, the putty surface decoration material is mainly prepared from the following raw materials in parts by weight:
10-30 parts of base material;
20-40 parts of manganese dioxide loaded diatomite;
1-5 parts of calcium carbonate whiskers;
5-10 parts of nano titanium dioxide;
5-10 parts of alumina;
15-50 parts of heavy calcium carbonate;
5-35 parts of spherical silicon micro powder;
0.3 to 0.8 portion of mildew preventive;
0.3 to 0.9 portion of hydroxypropyl methyl cellulose ether;
0.2 to 0.8 portion of defoaming agent;
1-1.5 parts of water repellent.
The invention also provides a preparation method of the putty surface decoration material.
The preparation method of the putty surface decoration material comprises the following steps:
mixing the base material, manganese dioxide loaded diatomite, calcium carbonate whiskers, nano titanium dioxide, alumina, ground calcium carbonate and spherical silica micropowder to prepare a putty surface decorative material;
the base material is 10-30 parts by weight; the weight portion of the manganese dioxide loaded diatomite is 20-40; 1-5 parts of calcium carbonate whiskers; the weight portion of the nano titanium dioxide is 5 to 10 portions; the weight portion of the alumina is 5 to 10 portions; the weight portion of the heavy calcium carbonate is 15 to 50 portions; the spherical silicon micropowder accounts for 5-35 parts by weight.
The invention also provides a using method of the putty surface decoration material.
The using method of the putty surface decorating material comprises the following steps:
mixing the putty surface decoration material and water, stirring at 1000-1500 r/min for 8-12 min, standing for 15-25 min, and stirring at 800-1000 r/min for 3-8 min;
the putty surface decoration material comprises the following raw materials in parts by weight:
10-30 parts of base material;
20-40 parts of manganese dioxide loaded diatomite;
1-5 parts of calcium carbonate whiskers;
5-10 parts of nano titanium dioxide;
5-10 parts of alumina;
15-50 parts of heavy calcium carbonate;
5-35 parts of spherical silicon micro powder.
Carry out high-speed mixing with water putty face decorative material earlier, on realizing both misce benes's basis, the high-speed mixing process can produce more heat, and the viscosity of putty also can greatly reduced to accompanied more mechanical foam, a period of stewing is for cooling and elimination mechanical foam, and at last low-speed stirring a period again, and stirring at this time is for preventing there is the layering phenomenon, and let putty more even.
Compared with the prior art, the invention has the following beneficial effects:
in the putty surface decoration material, manganese dioxide loaded diatomite, calcium carbonate whiskers, nano titanium dioxide and alumina are used as main fillers. Wherein, manganese dioxide loads diatomThe diatomite has the structural characteristics of porosity and high specific surface area, the adsorption capacity of the diatomite to formaldehyde is good, formaldehyde is not easy to separate out in the later period, calcium oxide and calcium hydroxide are contained in the diatomite and cooperate with hydrated base materials to form floating positive and negative ion groups in the air, the positive and negative ion groups can be immediately surrounded and isolated when meeting harmful molecules such as formaldehyde in the air, and then hydroxide ions with the most active performance in the positive and negative ion groups and the harmful molecules perform violent chemical reaction to thoroughly decompose the hydroxide ions into water molecules and harmless substances. Meanwhile, the calcium carbonate whiskers are white fluffy solids and are needle-shaped single crystals under a microscope, and after the calcium carbonate whiskers are added, the calcium carbonate whiskers can be filled in gaps of a porous structure, so that the gaps cannot be blocked, the adsorption of formaldehyde is not influenced, the inner layer structure of the putty surface adsorption material is loosened enough, the respiration of putty is facilitated, and the absorption and decomposition of more formaldehyde are facilitated. And the acicular single crystal structure can play a toughening role, so that adverse effects such as cracking and the like caused by dredging of the structure are avoided, and under the cooperation of the calcium carbonate crystal whisker, the putty surface material with larger thickness (2 mm-3 mm) can be formed at one time on the premise of not influencing the performance of the putty, so that the blockage of the lower layer caused by multiple construction on respiration is avoided, and the formaldehyde adsorption and decomposition amount is further improved. Meanwhile, the nano titanium dioxide has photocatalytic property, and enables TiO to react under the action of ultraviolet rays in sunlight or lamplight2The catalyst is activated and generates free radicals with high catalytic activity, can generate strong photooxidation and reduction capacity, photolyzes formaldehyde attached to the surface of an object, is a catalytic carrier of nano titanium dioxide, can remove carbide attached to the surface of the titanium dioxide generated in the middle stage of reaction, so that the catalytic action of the nano titanium dioxide is maintained, has a porous structure with high specific surface area, has better adsorption action on harmful gases in the air, such as formaldehyde, under the double actions of the aluminum oxide as an adsorption carrier and the carrier, and is combined with the porous structure with high specific surface area of the manganese dioxide loaded diatomite to bath the nano titanium dioxide in ultraviolet rays as much as possible, so that the catalytic conversion rate of the nano titanium dioxide on harmful substances such as formaldehyde is greatly improved. And alsoThe nanometer titanium dioxide can greatly improve the covering power and cover the color generated when the manganese dioxide loads the diatomite. Through the mutual matching effect among the raw materials, the odor-removing and formaldehyde-removing effects of the putty surface decorative material are integrally improved.
Meanwhile, the porous structure of the manganese dioxide loaded diatomite and the porous structure of the aluminum oxide can generate a waterfall effect by absorbing and releasing water, and bacteria floating in the air are eliminated by utilizing positive and negative ion groups, so that the sterilization effect is achieved. In addition, the growth environment suitable for the mold is weak acid, the cell wall and cell nucleus of the mold can be damaged in an alkaline environment, and the base material and the coating of the diatomite are strong alkaline and have no large amount of organic matter nutrients required by the growth of the mold. After the base material and the manganese dioxide loaded diatomite are hydrated, a coating with high bonding strength is formed on the surface of the wall body, and the growth of mould on the wall surface can be prevented.
And the ground calcium carbonate and the spherical silica powder are added simultaneously, and the spherical silica powder attracts the ground calcium silicate with irregular suspension shape by utilizing the spherical structure of the spherical silica powder, so that the whole filler is more uniform, the filler is easy to stir uniformly after hydration, and the flowability is more excellent. And irregular heavy calcium silicate is regularly arranged to form a good structural arrangement by drawing the heavy calcium silicate by the spherical silica micropowder, the structure of a coating after film forming is more compact, the anti-sagging performance is better, the toughness is better, the thickness of spraying one-step forming can reach more than 2mm, all performances (water resistance and alkali resistance) are greatly enhanced, the construction performance is excellent, meanwhile, a spraying method is adopted to replace a manual scraping construction mode, the production efficiency is greatly improved, and the total labor cost is reduced. Moreover, the addition of the two also plays a certain positive role in removing formaldehyde.
Detailed Description
The present invention will be described in further detail with reference to specific examples. The present invention may be embodied in many different forms and is not limited to the embodiments described 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. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The putty surface decorating material comprises the following preparation raw materials in parts by weight:
10 to 30 portions of base material
20-40 parts of manganese dioxide loaded diatomite;
1-5 parts of calcium carbonate whiskers;
5-10 parts of nano titanium dioxide;
5-10 parts of alumina;
15-50 parts of heavy calcium carbonate;
5-35 parts of spherical silicon micro powder.
The diatomite has a molecular sieve-shaped pore structure, the specific surface area of the diatomite is 5000-6000 times that of active carbon, the porous structure of the diatomite can be in full contact with gas (impurities), the molecules have mutual attraction, the special adsorption performance and ion exchange performance of the diatomite are endowed, and harmful substances such as formaldehyde, benzene, ammonia and the like in air can be strongly adsorbed, and the special adsorption performance and the special ion exchange performance are biochemical reaction, not chemical reaction, of the diatomite and the exchange among ions. However, after the formaldehyde is absorbed by the common diatomite, the decomposition efficiency cannot keep up with the adsorption efficiency, the defect of formaldehyde precipitation can be caused in the later period, the adsorption capacity of the manganese dioxide loaded diatomite can be improved, and the adsorption decomposition rate can reach 94% (the common diatomite is only 40%). The manganese dioxide loaded diatomite has the structural characteristics of porosity and high specific surface area, has good adsorption capacity on formaldehyde, is difficult to separate out formaldehyde at the later stage, contains calcium oxide and calcium hydroxide, and forms floating positive and negative ion groups in the air by cooperating with hydrated base materials, and the positive and negative ion groupsWhen the harmful molecules such as formaldehyde in the air are encountered, the harmful molecules can be immediately surrounded and isolated, and then the most active hydroxyl ions in the positive and negative ion groups have violent chemical reactions with the harmful molecules, so that the harmful molecules are thoroughly decomposed into water molecules and harmless substances. Meanwhile, the calcium carbonate whiskers are white fluffy solids and are needle-shaped single crystals under a microscope, and after the calcium carbonate whiskers are added, the calcium carbonate whiskers can be filled in gaps of a porous structure, so that the gaps cannot be blocked, the adsorption of formaldehyde is not influenced, the inner layer structure of the putty surface adsorption material is loosened enough, the respiration of putty is facilitated, and the absorption and decomposition of more formaldehyde are facilitated. And the acicular single crystal structure can play a toughening role, so that adverse effects such as cracking and the like caused by dredging of the structure are avoided, and under the cooperation of the calcium carbonate crystal whisker, the putty surface material with larger thickness (2 mm-3 mm) can be formed at one time on the premise of not influencing the performance of the putty, so that the blockage of the lower layer caused by multiple construction on respiration is avoided, and the formaldehyde adsorption and decomposition amount is further improved. Meanwhile, the nano titanium dioxide has photocatalytic property, and enables TiO to react under the action of ultraviolet rays in sunlight or lamplight2The catalyst is activated and generates free radicals with high catalytic activity, can generate strong photooxidation and reduction capacity, photolyzes formaldehyde attached to the surface of an object, is a catalytic carrier of nano titanium dioxide, can remove carbide attached to the surface of the titanium dioxide generated in the middle stage of reaction, so that the catalytic action of the nano titanium dioxide is maintained, has a porous structure with high specific surface area, has better adsorption action on harmful gases in the air, such as formaldehyde, under the double actions of the aluminum oxide as an adsorption carrier and the carrier, and is combined with the porous structure with high specific surface area of the manganese dioxide loaded diatomite to bath the nano titanium dioxide in ultraviolet rays as much as possible, so that the catalytic conversion rate of the nano titanium dioxide on harmful substances such as formaldehyde is greatly improved. And the nanometer titanium dioxide can greatly improve the covering power and cover the color generated when the manganese dioxide loads the diatomite. Through the mutual matching effect among the raw materials, the odor-removing and formaldehyde-removing effects of the putty surface decorative material are integrally improved.
Meanwhile, the porous structure of the manganese dioxide loaded diatomite and the porous structure of the aluminum oxide can generate a waterfall effect by absorbing and releasing water, and bacteria floating in the air are eliminated by utilizing positive and negative ion groups, so that the sterilization effect is achieved. In addition, the growth environment suitable for the mold is weak acid, the cell wall and cell nucleus of the mold can be damaged in an alkaline environment, and the base material and the coating of the diatomite are strong alkaline and have no large amount of organic matter nutrients required by the growth of the mold. After the base material and the manganese dioxide loaded diatomite are hydrated, a coating with high bonding strength is formed on the surface of the wall body, and the growth of mould on the wall surface can be prevented.
In addition, the putty surface decorating material also comprises heavy calcium carbonate and spherical silica micropowder as raw materials. The silicon micro powder has high density, high hardness and good chemical corrosion resistance, the surface hardness, the strength, the wear resistance and the like of the coating can be improved by adding a proper amount of the silicon micro powder, and the spherical modified structure has a certain suspension effect and improves the fluidity of the putty to a certain degree; the coarse whiting has low price and high whiteness, and the addition of the coarse whiting can reduce the cost, improve the covering power, improve the fluidity of the putty and improve the construction performance. The two are mutually matched, so that the flow property of the putty can be improved, the construction performance is improved, a certain positive effect on the removal effect of formaldehyde is achieved, and a filler combination with high cost performance is obtained on the performance cost. Heavy calcium carbonate and spherical silica micropowder are not added, so that the fluidity of the putty is poor and the spraying is difficult. Only the ground limestone is added, the fluidity is good, but the time is long, and as part of the filler is deposited at the bottom of the barrel, the performance of the putty on the wall is affected, the once-forming thickness of the coating is reduced, and sagging is easy to generate; the spherical silicon powder is added independently, so that the product has good fluidity, but the gap formed after the spherical structure is connected is large, and the product has certain brittleness, poor flexibility and reduced bonding strength. When the two materials are added simultaneously, the spherical silicon micropowder attracts heavy calcium silicate with an irregular suspension shape by utilizing the spherical structure of the spherical silicon micropowder, so that the whole filler is more uniform, the filler is easy to stir uniformly after hydration, and the flowability is more excellent. And irregular heavy calcium silicate is regularly arranged to form a good structural arrangement by drawing the heavy calcium silicate by the spherical silica micropowder, the structure of a coating after film forming is more compact, the anti-sagging performance is better, the toughness is better, the thickness of spraying one-step forming can reach more than 2mm, all performances (water resistance and alkali resistance) are greatly enhanced, the construction performance is excellent, meanwhile, a spraying method is adopted to replace a manual scraping construction mode, the production efficiency is greatly improved, and the total labor cost is reduced.
If the spherical glass powder filler is added in cooperation with the heavy calcium silicate, the two fillers have large specific gravity, so that precipitation is generated, the sprayed coating is not uniform and is easy to sag, and various properties are reduced linearly.
The preparation method of the manganese dioxide loaded diatomite comprises the following steps: immersing diatomite into a potassium permanganate solution; adding a citric acid complexing agent, adjusting the pH value to be 5-6, then performing ultrasonic dispersion, drying, grinding, placing in a muffle furnace for heating after grinding, then cooling to room temperature, taking out, uniformly stirring, and then performing ultrasonic dispersion to obtain the manganese dioxide loaded diatomite.
It will be appreciated that the binder may be selected from inorganic-based binders and/or organic-based binders.
Preferably, the inorganic base material is white cement. After calcium oxide in the white cement is hydrated, a strong alkaline material can be formed, and positive and negative ion groups in the air are increased.
Preferably, the organic base material is polymer latex powder. The polymer latex powder can make the coating of the putty more compact, improve the bonding strength and the water and moisture resistance of the putty, and improve and optimize the apparent effect of the putty.
It should be noted that the ultraviolet rays of the indoor visible light are limited, so the nano titanium dioxide and the aluminum oxide play an auxiliary formaldehyde removing role instead of a main formaldehyde removing role, and the use amounts of the nano titanium dioxide and the aluminum oxide are controlled to be small, thereby realizing the high cost performance of the whole putty.
In one embodiment, the putty surface decoration material also comprises a mildew preventive in a weight part of 0.3-0.8.
Preferably, the mildew preventive is nano zinc oxide. The nanometer zinc oxide has no VOC, no toxicity and no toxicity, so that the zinc oxide mildew preventive more meets the design requirements of modern home decoration, and although the single mildew preventive and sterilization capability of the nanometer zinc oxide mildew preventive is not as good as that of an organic mildew preventive, the nanometer zinc oxide mildew preventive is matched with white cement and manganese dioxide loaded diatomite and calcium carbonate whiskers for use, and the mildew preventive and sterilization effect of the nanometer zinc oxide mildew preventive is even better than that of the organic mildew preventive. And the addition of the organic sterilization mildew inhibitor can lead the putty to have low toxicity, thus not meeting the increasingly high requirements on environmental protection at present. The nontoxic inorganic zinc oxide is added, so that the contact area of the inorganic zinc oxide in the porous manganese dioxide loaded diatomite and the porous manganese dioxide loaded alumina is larger, and the mildew-proof and sterilization capacity is greatly enhanced under the double adsorption action of the inorganic zinc oxide and the porous manganese dioxide loaded diatomite and the porous manganese dioxide loaded alumina, so that the mildew-proof and sterilization effect similar to that of an organic mildew-proof bactericide can be achieved.
In one embodiment, the raw materials for preparing the putty surface decorating material also comprise other auxiliary agents, and the other auxiliary agents are selected from one or more of hydroxypropyl methyl cellulose ether, defoaming agent and water repellent. The hydroxypropyl methyl cellulose ether is beneficial to improving the moisture retention performance of the putty and improving the construction performance.
Preferably, the hydroxypropyl methyl cellulose ether is 0.3 to 0.9 parts by weight.
Preferably, the weight portion of the defoaming agent is 0.2 to 0.8.
Preferably, the water repellent accounts for 1-1.5 parts by weight.
The putty surface decorating material can be an inner wall putty surface decorating material and an outer wall putty surface decorating material.
A preparation method of a putty surface decoration material comprises the following steps:
mixing the base material, manganese dioxide loaded diatomite, calcium carbonate whiskers, nano titanium dioxide, alumina, ground calcium carbonate and spherical silica micropowder to prepare a putty surface decorative material;
the base material is 10-30 parts by weight; the weight portion of the manganese dioxide loaded diatomite is 20-40; 1-5 parts of calcium carbonate whiskers; the weight portion of the nano titanium dioxide is 5 to 10 portions; the weight portion of the alumina is 5 to 10 portions; the weight portion of the heavy calcium carbonate is 15 to 50 portions; the spherical silicon micropowder accounts for 5-35 parts by weight.
A using method of a putty surface decorating material comprises the following steps:
mixing the putty surface decoration material and water, stirring at 1000-1500 r/min for 8-12 min, standing for 15-25 min, and stirring at 800-1000 r/min for 3-8 min;
the putty surface decoration material comprises the following raw materials in parts by weight:
10-30 parts of base material;
20-40 parts of manganese dioxide loaded diatomite;
1-5 parts of calcium carbonate whiskers;
5-10 parts of nano titanium dioxide;
5-10 parts of alumina;
15-50 parts of heavy calcium carbonate;
5-35 parts of spherical silicon micro powder.
Carry out high-speed mixing with water putty face decorative material earlier, on realizing both misce benes's basis, the high-speed mixing process can produce more heat, and the viscosity of putty also can greatly reduced to accompanied more mechanical foam, a period of stewing is for cooling and elimination mechanical foam, and at last low-speed stirring a period again, and stirring at this time is for preventing there is the layering phenomenon, and let putty more even.
The following examples and comparative examples are further described below, and the starting materials used in the following examples can be commercially available, unless otherwise specified, and the equipment used therein can be commercially available, unless otherwise specified.
The type of the polymer latex powder is tile 4036N; the nano titanium dioxide is anatase nano titanium dioxide; the spherical silicon micropowder is modified 400 spherical silicon micropowder; the alumina is 325-600 mesh alumina; the calcium carbonate whisker type is TY-2136; the model of the hydroxypropyl methyl cellulose ether is DN-3722; the defoaming agent is polyether modified organic silicon, and the model is CK-D045; the water repellent is of silane group type, model number SHP 50; the mildew preventive is nano zinc oxide, and the model is JLZ-8.
The preparation method of the manganese dioxide loaded diatomite comprises the following steps: 10g of diatomite is immersed into 50mL of 0.08mol/L potassium permanganate solution; adding 10g of citric acid complexing agent, adjusting the pH value to be 5-6 by using ammonia water, then placing the mixture into an ultrasonic dispersing agent, oscillating for 2 hours, then placing the mixture into a drying oven at 60 ℃ for drying, then grinding the mixture, placing the mixture into a muffle furnace at 650 ℃ for heating for 0.5 hour, then cooling the mixture to room temperature, taking the mixture out, uniformly stirring the mixture, and then placing the mixture into an ultrasonic dispersing machine to oscillate for 30 minutes to obtain the manganese dioxide loaded diatomite.
Example 1
The embodiment provides a putty surface decoration material and a preparation method and application thereof, and the preparation method comprises the following steps:
1) preparing the following raw materials in parts by weight
4 parts of polymer latex powder, 15 parts of white cement, 25 parts of heavy calcium, 13 parts of spherical silicon micropowder, 20 parts of manganese dioxide-loaded diatomite, 10 parts of nano titanium dioxide, 7.5 parts of aluminum oxide, 3 parts of calcium carbonate whisker, 0.5 part of hydroxypropyl methyl cellulose ether, 0.5 part of defoaming agent, 1 part of water repellent and 0.5 part of mildew preventive.
2) Preparation method
And pouring the polymer latex powder, white cement, heavy calcium carbonate, spherical silicon micro powder, manganese dioxide-loaded diatomite, nano titanium dioxide, aluminum oxide, calcium carbonate whiskers, hydroxypropyl methyl cellulose ether, a defoaming agent, a water repellent and a mildew preventive into dry powder mixing equipment, uniformly mixing, weighing and packaging to obtain the putty surface decorative material.
3) Application method
Mixing 100 parts of putty surface decorating material and 40 parts of water, stirring for 10 minutes at high speed by using a stirrer at 1500r/min, standing for 20 minutes, and stirring for 5 minutes at low speed at 800 r/min.
Example 2
The embodiment provides a putty surface decoration material and a preparation method and application thereof, which are basically the same as the embodiment 1, and are different in the use amount of raw materials, and the steps are as follows:
1) preparing the following raw materials in parts by weight
4 parts of polymer latex powder, 15 parts of white cement, 18 parts of heavy calcium, 8 parts of spherical silicon micropowder, 30 parts of manganese dioxide-loaded diatomite, 7.5 parts of nano titanium dioxide, 10 parts of aluminum oxide, 5 parts of calcium carbonate whisker, 0.5 part of hydroxypropyl methyl cellulose ether, 0.5 part of defoaming agent, 1 part of water repellent and 0.5 part of mildew preventive.
2) Preparation method
And pouring the polymer latex powder, white cement, heavy calcium carbonate, spherical silicon micro powder, manganese dioxide-loaded diatomite, nano titanium dioxide, aluminum oxide, calcium carbonate whiskers, hydroxypropyl methyl cellulose ether, a defoaming agent, a water repellent and a mildew preventive into dry powder mixing equipment, uniformly mixing, weighing and packaging to obtain the putty surface decorative material.
3) Application method
Mixing 100 parts of putty surface decorating material and 40 parts of water, stirring for 10 minutes at high speed by using a stirrer at 1500r/min, standing for 20 minutes, and stirring for 5 minutes at low speed at 800 r/min.
Example 3
The embodiment provides a putty surface decoration material and a preparation method and application thereof, which are basically the same as the embodiment 1, and are different in the use amount of raw materials, and the steps are as follows:
1) preparing the following raw materials in parts by weight
4 parts of polymer latex powder, 15 parts of white cement, 20 parts of heavy calcium, 7.5 parts of spherical silicon micropowder, 40 parts of manganese dioxide-loaded diatomite, 5 parts of nano titanium dioxide, 5 parts of aluminum oxide, 1 part of calcium carbonate whisker, 0.5 part of hydroxypropyl methyl cellulose ether, 0.5 part of defoaming agent, 1 part of water repellent and 0.5 part of mildew preventive.
2) Preparation method
And pouring the polymer latex powder, white cement, heavy calcium carbonate, spherical silicon micro powder, manganese dioxide-loaded diatomite, nano titanium dioxide, aluminum oxide, calcium carbonate whiskers, hydroxypropyl methyl cellulose ether, a defoaming agent, a water repellent and a mildew preventive into dry powder mixing equipment, uniformly mixing, weighing and packaging to obtain the putty surface decorative material.
3) Application method
Mixing 100 parts of putty surface decorating material and 40 parts of water, stirring for 10 minutes at high speed by using a stirrer at 1500r/min, standing for 20 minutes, and stirring for 5 minutes at low speed at 800 r/min.
Comparative example 1
The comparative example provides a putty surface decoration material and a preparation method and application thereof, which are basically the same as the example 3, except that spherical silica micropowder is not added, and the dosage of heavy calcium is correspondingly increased, and the steps are as follows:
1) preparing the following raw materials in parts by weight
4 parts of polymer latex powder, 15 parts of white cement, 27.5 parts of heavy calcium, 0 part of spherical silicon micropowder, 40 parts of manganese dioxide-loaded diatomite, 5 parts of nano titanium dioxide, 5 parts of aluminum oxide, 1 part of calcium carbonate whisker, 0.5 part of hydroxypropyl methyl cellulose ether, 0.5 part of defoaming agent, 1 part of water repellent and 0.5 part of mildew preventive.
2) Preparation method
Pouring polymer latex powder, white cement, heavy calcium carbonate, manganese dioxide loaded diatomite, nano titanium dioxide, aluminum oxide, calcium carbonate whiskers, hydroxypropyl methyl cellulose ether, a defoaming agent, a water repellent and a mildew preventive into dry powder mixing equipment, uniformly mixing, weighing and packaging to obtain the putty surface decorative material.
3) Application method
Mixing 100 parts of putty surface decorating material and 40 parts of water, stirring for 10 minutes at high speed by using a stirrer at 1500r/min, standing for 20 minutes, and stirring for 5 minutes at low speed at 800 r/min.
Comparative example 2
The comparative example provides a putty surface decoration material and a preparation method and application thereof, which are basically the same as the example 3, except that no heavy calcium carbonate is added, and the using amount of spherical silicon micro powder is correspondingly increased, and the steps are as follows:
1) preparing the following raw materials in parts by weight
4 parts of polymer latex powder, 15 parts of white cement, 0 part of heavy calcium, 27.5 parts of spherical silicon micropowder, 40 parts of manganese dioxide-loaded diatomite, 5 parts of nano titanium dioxide, 5 parts of aluminum oxide, 1 part of calcium carbonate whisker, 0.5 part of hydroxypropyl methyl cellulose ether, 0.5 part of defoaming agent, 1 part of water repellent and 0.5 part of mildew preventive.
2) Preparation method
And pouring the polymer latex powder, white cement, spherical silicon micropowder, manganese dioxide-loaded diatomite, nano titanium dioxide, aluminum oxide, calcium carbonate whisker, hydroxypropyl methyl cellulose ether, a defoaming agent, a water repellent and a mildew preventive into dry powder mixing equipment, uniformly mixing, weighing and packaging to obtain the putty surface decorative material.
3) Application method
Mixing 100 parts of putty surface decorating material and 40 parts of water, stirring for 10 minutes at high speed by using a stirrer at 1500r/min, standing for 20 minutes, and stirring for 5 minutes at low speed at 800 r/min.
Comparative example 3
The comparative example provides a putty surface decoration material and a preparation method and application thereof, which are basically the same as the example 3, and are different in that spherical silica micropowder is replaced by spherical glass powder, and the steps are as follows:
1) preparing the following raw materials in parts by weight
4 parts of polymer latex powder, 15 parts of white cement, 20 parts of heavy calcium, 7.5 parts of spherical glass powder, 40 parts of manganese dioxide-loaded diatomite, 5 parts of nano titanium dioxide, 5 parts of aluminum oxide, 1 part of calcium carbonate whisker, 0.5 part of hydroxypropyl methyl cellulose ether, 0.5 part of defoaming agent, 1 part of water repellent and 0.5 part of mildew preventive.
2) Preparation method
And pouring the polymer latex powder, white cement, heavy calcium carbonate, spherical glass powder, manganese dioxide-loaded diatomite, nano titanium dioxide, aluminum oxide, calcium carbonate whiskers, hydroxypropyl methyl cellulose ether, a defoaming agent, a water repellent and a mildew preventive into dry powder mixing equipment, uniformly mixing, weighing and packaging to obtain the putty surface decorative material.
3) Application method
Mixing 100 parts of putty surface decorating material and 40 parts of water, stirring for 10 minutes at high speed by using a stirrer at 1500r/min, standing for 20 minutes, and stirring for 5 minutes at low speed at 800 r/min.
Comparative example 4
The comparative example provides a putty surface decorative material and a preparation method and application thereof, which are basically the same as the example 3, except that calcium carbonate whiskers are not added, and the using amount of heavy calcium is correspondingly increased, and the steps are as follows:
1) preparing the following raw materials in parts by weight
4 parts of polymer latex powder, 15 parts of white cement, 21 parts of heavy calcium, 7.5 parts of spherical silicon micropowder, 40 parts of manganese dioxide-loaded diatomite, 5 parts of nano titanium dioxide, 5 parts of aluminum oxide, 0 part of calcium carbonate whisker, 0.5 part of hydroxypropyl methyl cellulose ether, 0.5 part of defoaming agent, 1 part of water repellent and 0.5 part of mildew preventive.
2) Preparation method
Pouring polymer latex powder, white cement, heavy calcium carbonate, spherical silicon micro powder, manganese dioxide-loaded diatomite, nano titanium dioxide, aluminum oxide, hydroxypropyl methyl cellulose ether, a defoaming agent, a water repellent and a mildew preventive into dry powder mixing equipment, uniformly mixing, weighing and packaging to obtain the putty surface decorative material.
3) Application method
Mixing 100 parts of putty surface decorating material and 40 parts of water, stirring for 10 minutes at high speed by using a stirrer at 1500r/min, standing for 20 minutes, and stirring for 5 minutes at low speed at 800 r/min.
Comparative example 5
The comparative example provides a putty surface decoration material and a preparation method and application thereof, which are basically the same as the example 3, except that no nano titanium dioxide and alumina are added, and the dosage of heavy calcium is correspondingly increased, and the steps are as follows:
1) preparing the following raw materials in parts by weight
4 parts of polymer latex powder, 15 parts of white cement, 30 parts of heavy calcium, 7.5 parts of spherical silicon micropowder, 40 parts of manganese dioxide-loaded diatomite, 0 part of nano titanium dioxide, 0 part of aluminum oxide, 1 part of calcium carbonate whisker, 0.5 part of hydroxypropyl methyl cellulose ether, 0.5 part of defoaming agent, 1 part of water repellent and 0.5 part of mildew preventive.
2) Preparation method
Pouring polymer latex powder, white cement, heavy calcium carbonate, spherical silicon micropowder, manganese dioxide-loaded diatomite, calcium carbonate whiskers, hydroxypropyl methyl cellulose ether, a defoaming agent, a water repellent and a mildew preventive into dry powder mixing equipment, uniformly mixing, weighing and packaging to obtain the putty surface decorative material.
3) Application method
Mixing 100 parts of putty surface decorating material and 40 parts of water, stirring for 10 minutes at high speed by using a stirrer at 1500r/min, standing for 20 minutes, and stirring for 5 minutes at low speed at 800 r/min.
The performance of the putty face decorating materials prepared in the above examples and comparative examples was tested. The measurement standards and results are shown in table 1:
TABLE 1
Remarking:
the test method for formaldehyde concentration reduction (%) was: and starting the vacuum pump in a sealed square three-dimensional way with the pressure of 200mm, exhausting for about 5-8 s, observing the negative pressure meter, stopping exhausting after the pressure value reaches-0.02 MPa, and closing the exhaust valve. And (3) filling formaldehyde into the closed container, opening an air inlet valve, introducing the formaldehyde into the closed container by using a connector, recording the numerical value of the formaldehyde gas detection instrument, and observing the reading of the instrument after 8h, wherein the formaldehyde concentration is reduced by (%) = (the reading of the initial instrument-the reading of the instrument after 8 h)/the reading of the initial instrument.
As can be seen from Table 1, the putty surface decorative materials prepared in examples 1-3 can resist bacteria, prevent mildew, remove odor and formaldehyde, meet the standard requirements for water resistance and alkali resistance, can be processed by spraying, have a one-step forming thickness close to or exceeding 3mm, and can greatly reduce the concentration of formaldehyde.
In comparative example 1, spherical silica powder was not added, but ground limestone was added only, and the fluidity of the putty was poor, and spraying was difficult. In comparative example 2, the ground limestone is not added, only the spherical silica powder is added, the fluidity is good, but the time is long, the performance of putty on the wall is affected because part of the filler is deposited at the bottom of the barrel, the once-forming thickness of the coating is reduced, sagging is easy to generate, and the gap after the spherical structure is connected is large, so that the putty has certain brittleness, poor flexibility and reduced bonding strength. Meanwhile, the formaldehyde removing effects of comparative examples 1 and 2 were also affected.
In comparative example 3, when spherical glass powder filler is added in combination with heavy calcium silicate, precipitation is generated due to the large specific gravity of the spherical glass powder filler and the heavy calcium silicate, so that the sprayed coating is not uniform and is easy to sag, and various performances are reduced linearly. In comparative example 4, the thickness of the spray coating formed at one time was reduced, and the formaldehyde removing effect was affected. Comparative example 5 also showed no significant effect in removing formaldehyde.
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 present 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 (10)
1. The putty surface decoration material is characterized by comprising the following preparation raw materials in parts by weight:
10-30 parts of base material;
20-40 parts of manganese dioxide loaded diatomite;
1-5 parts of calcium carbonate whiskers;
5-10 parts of nano titanium dioxide;
5-10 parts of alumina;
15-50 parts of heavy calcium carbonate;
5-35 parts of spherical silicon micro powder.
2. The putty surface decorating material of claim 1, which is prepared from the following raw materials in parts by weight:
10-30 parts of base material;
30-40 parts of manganese dioxide loaded diatomite;
1-5 parts of calcium carbonate whiskers;
5-7.5 parts of nano titanium dioxide;
5-10 parts of alumina;
15-20 parts of heavy calcium carbonate;
8-20 parts of spherical silicon micropowder.
3. The putty surface finishing material of claim 1, wherein the binder is selected from inorganic binders and/or organic binders.
4. The putty surface finishing material of claim 3, wherein the inorganic base material is white cement.
5. The putty surface decorating material of claim 3 wherein the organic base material is a polymer latex powder.
6. The putty surface decorating material of any one of claims 1 to 5 wherein the putty surface decorating material is prepared from raw materials further comprising a mildew inhibitor.
7. The putty surface decorating material of claim 6 wherein the mildew inhibitor is nano zinc oxide.
8. The putty surface decorating material of any one of claims 1-5, which is characterized in that the preparation raw materials of the putty surface decorating material further comprise other auxiliary agents, and the other auxiliary agents are selected from one or more of hydroxypropyl methyl cellulose ether, defoaming agent and water repellent.
9. The preparation method of the putty surface decoration material is characterized by comprising the following steps:
mixing the base material, manganese dioxide loaded diatomite, calcium carbonate whiskers, nano titanium dioxide, alumina, ground calcium carbonate and spherical silica micropowder to prepare a putty surface decorative material;
the base material is 10-30 parts by weight; the weight portion of the manganese dioxide loaded diatomite is 20-40; 1-5 parts of calcium carbonate whiskers; the weight portion of the nano titanium dioxide is 5 to 10 portions; the weight portion of the alumina is 5 to 10 portions; the weight portion of the heavy calcium carbonate is 15 to 50 portions; the spherical silicon micropowder accounts for 5-35 parts by weight.
10. The using method of the putty surface decorating material is characterized by comprising the following steps:
mixing the putty surface decoration material and water, stirring at 1000-1500 r/min for 8-12 min, standing for 15-25 min, and stirring at 800-1000 r/min for 3-8 min;
the putty surface decoration material comprises the following raw materials in parts by weight:
10-30 parts of base material;
20-40 parts of manganese dioxide loaded diatomite;
1-5 parts of calcium carbonate whiskers;
5-10 parts of nano titanium dioxide;
5-10 parts of alumina;
15-50 parts of heavy calcium carbonate;
5-35 parts of spherical silicon micro powder.
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