CN103755226A - Dry powder type ecological shell powder environment-friendly composite coating with comprehensive functions - Google Patents
Dry powder type ecological shell powder environment-friendly composite coating with comprehensive functions Download PDFInfo
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- CN103755226A CN103755226A CN201410011558.XA CN201410011558A CN103755226A CN 103755226 A CN103755226 A CN 103755226A CN 201410011558 A CN201410011558 A CN 201410011558A CN 103755226 A CN103755226 A CN 103755226A
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- oyster shell
- shell whiting
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Abstract
The invention discloses a dry powder type ecological shell powder environment-friendly composite coating with comprehensive functions. The shell powder is effectively loaded with nano titanium dioxide and nano zinc oxide and then combined with materials such as an adhesive; in the synthesis method, the shell powder-based nano composite powder is prepared by an in-situ synthesis method; nanoscale titanium dioxide and zinc oxide are directly generated in the micropores by taking the micropores in the natural shell powder as reaction points and introducing soluble titanate and zinc salt so as to effectively improve the load content of the functional nano particles and the binding capacity of the shell powder. The coating disclosed by the invention has the beneficial effects that the shell powder is used as the main film forming substance, and the functional materials, namely nano titanium dioxide and nano zinc oxide are effectively loaded through special chemical and physical methods, and the coating has remarkably strong functions of absorbing and decomposing the toxic and harmful gases and inhibiting and killing the bacteria; meanwhile, the coating also has the advantages of good physical and mechanical properties, attractive appearance and elegance and the like, and can be widely applied to interior decoration.
Description
Technical field
The present invention relates to shell powder paint, particularly take powder of natural shell and inorganic nanometer functional material as can producing of main component, purify air and a kind of ecological oyster shell whiting environmental protection of dry powder type composite coating with comprehensive function of fungistatic effect.
Background technology
Along with deterioration and the goods and materials growth in the living standard of atmospheric environment, people entertain higher expectation for the requirement of the Air quality of indoor environment.The materials such as emulsion paint, paint, composite sheet, leather, foam-filled thing, plastic facing are used in current interior decoration in a large number, wherein contain a large amount of volatility toxic compounds (VOC), severe contamination live and work environment, harm people's health.Therefore, people, selecting novel material progressively to replace outside above-mentioned poisonous and harmful finishing material, also give very big concern for indoor wall coating simultaneously.
State, inside and outsidely to having, purify air and the research work of the ecotypic environmental protection coating material of antibacterial, sterilizing function is already in full swing, the coating one of the tool environmental protection of generally acknowledging in the world is at present water-borne coatings, the 2nd, powder coating, wherein powder coating has advantages of absolutely film forming especially, adopts natural materials to make dry powder paint by the development trend that is following interior wall coating.
Oyster shell whiting be by natural and shell that propagate artificially by high-temperature calcination, make after pulverizing, its moiety is calcium carbonate (CaCO
3), calcium oxide (CaO), calcium hydroxide [Ca(OH)
2] etc. calcified material, different from the calcified material of synthetic, oyster shell whiting has been removed the lac of shell itself in the process of sintering, therefore there is a large amount of microvoid structure holes, there is absorption, decompose the functions such as toxic and harmful (formaldehyde, benzene, ammonia, smog etc.) and adjusting air humidity, the oyster shell whiting film of simultaneously firing has extremely strong antibacterial and germicidal action to the various bacteria including intestinal bacteria, Salmonellas, yellow glucose fungus etc., therefore has function anticorrosion, mildew-resistant.Take oyster shell whiting as main base material, then be equipped with a certain amount of tackiness agent and auxiliary agent, the interior wall coating of making has good adsorption-decomposition function obnoxious flavour and antibacterial, sterilization effect.Patent documentation (publication number: CN 1370807A, CN 102977695A, CN 102079915A) interior wall coating that several use oyster shell whitings are main raw material disclosed respectively, there is certain physics and environmental-protecting performance, but due to do not add can resolving harmful gas functional stuffing, so do not possess the function of stage purification obnoxious flavour; Patent documentation (publication number: CN 102268211A, CN 101774785A) disclose respectively two kinds take oyster shell whiting as main component, and the functional stuffings such as nano level titanium dioxide and negative ion powder have been added simultaneously, possesses certain feature purifying air, but the functional stuffing in this coating system is directly to mix, do not form a stable combination with oyster shell whiting, the effect that therefore purifies air is limited and do not continue; Patent documentation (publication number: CN 103011682A) on the basis of the above, by special physics, chemical process, nano titanium oxide and tourmaline powder are compound in the micropore of oyster shell whiting, have in conjunction with firmly, act on lasting feature, nano titanium oxide has very strong photocatalytic, can effectively decompose toxic and harmful, but nano titanium oxide does not have the performance absorbing with scatters ultraviolet, and the UVA that is especially 350nm-400nm to wavelength does not have shield effectiveness.In this external synthetic method, what patent documentation (publication number: CN 103011682A) adopted is a kind of special physics, chemical preparation process, the method is a kind of synthetic method of the synthesizing nano-particle-adsorption of nanoparticles based on " dual-step type ", first synthesize titanium dioxide nano-particle and commercially available tourmaline powder is carried out to surface treatment, and then add the oyster shell whiting after high-temperature calcination is pulverized to adsorb above-mentioned two kinds of powders, because the micropore of oyster shell whiting has certain selectivity for the particle diameter of absorption powder, therefore, adsorption binding energy power is limited, cause in coating use procedure, its absorption, ability and the work-ing life of resolving harmful gas decline to some extent.
Summary of the invention
The present invention discloses a kind of ecological oyster shell whiting environmental protection of dry powder type composite coating with comprehensive function, by useful load nano titanium oxide, nano zine oxide in oyster shell whiting, again in conjunction with materials such as tackiness agents, through special chemistry, physical method, synthesize and there is powder internal structure in conjunction with firmly, effectively absorbing multi-functional ecological oyster shell whiting environmental protection composite dry powder coating such as decomposing toxic and harmful, restraining and sterilizing bacteria, moisturizing.
The nano zine oxide (ZnO) particularly adding not only has photocatalytic, and it can produce hydroxyl free radical, cross oxonium ion, and coup injury bacterial cell, plays the effect of deodorization and sterilization; Also have in addition the performance absorbing with scatters ultraviolet, the UVA shield effectiveness that is especially 350nm-400nm to wavelength is better, and this point is that nano titanium oxide is not available.
In synthetic method, the present invention is directed to the problem that in powder direct mixing method and synthetic-attached method, function nano particle load content is limited and binding ability is not strong, propose to adopt in-situ synthesis to prepare oyster shell whiting based nanometer composite powder, take the micropore in powder of natural shell as reflecting point, by introducing titanate and the zinc salt of solubility, directly in micropore, generate nano level titanium dioxide and zinc oxide, thereby can effectively improve the load content of function nano particle and the binding ability with oyster shell whiting.
For realizing the object of the invention, by the following technical solutions:
Ecological oyster shell whiting environmental protection composite coating, take oyster shell whiting as main film forming substance, introduce a certain amount of nano titanium oxide and nano zine oxide simultaneously and form oyster shell whiting inorganic nano composite powder, the weight percent of the composite coating each component take this composite granule as main component is oyster shell whiting: 30%～50%; Nano titanium oxide: 5%～10%, nano zine oxide: 5%～10%; Talcum powder 20%～40%; Composite glue: 5%～20%, pigment: 1%～10%.
Oyster shell whiting inorganic nano composite powder is that nano titanium oxide and nano zine oxide firmly load in oyster shell whiting micropore by the synthetic method of chemical original position.
Composite glue is to be merged and made by 60%～90% water, 3%～15% polyvinyl alcohol, 4%～10% Mierocrystalline cellulose, 8%～13% treated starch heating.
Chemistry in-situ synthesis loading process is as follows: under room temperature, Xiang Shuizhong adds appropriate soluble titanium hydrochlorate and soluble zinc salt, mechanical stirring 20min～60min, the oyster shell whiting of getting some amount impregnated in this solution, regulate pH=8～12, stir 1h～3h, standing 10h～15h, remove supernatant liquid, after washing, oven dry, 800 ℃ of calcinings, can obtain shell powder supported fixing matrix material, in this compound system, nano titanium oxide and nano zine oxide are uniformly distributed in the cavernous structure of oyster shell whiting.
Ecological oyster shell whiting environmental protection composite coating, only need mix this composite granule during construction with composite glue and pigment, put into container and stir and be prepared from.
The invention has the beneficial effects as follows: ecological oyster shell whiting environmental protection composite coating of the present invention, take oyster shell whiting as main film forming substance, by chemical process useful load nano titanium oxide and nano zine oxide functional materials, the load content that has improved function nano particle with and with the bonding force of oyster shell whiting, there is extremely strong absorption and decompose toxic and harmful and restraining and sterilizing bacteria function, the nano zine oxide (ZnO) of particularly introducing not only has photocatalytic, it can produce hydroxyl free radical, cross oxonium ion, coup injury bacterial cell, play the effect of deodorization and sterilization, also there is in addition the performance absorbing with scatters ultraviolet, especially to wavelength, be that UVA shield effectiveness is better, in addition this ecology composite coating also has the features such as physical and mechanical properties is excellent, elegant in appearance, can be widely used in various interior decorations.
Embodiment
Describe specific embodiments of the invention below in detail, further to understand the present invention.
embodiment 1
In coating system, weight percent is as follows:
Oyster shell whiting: 40%; TiO
2nanoparticle: 5%, nano zine oxide: 10%; Talcum powder 30%; Composite glue: 13%, pigment: 2%
Ecological oyster shell whiting environmental protection composite coating preparation method
The 1st step: oyster shell whiting is by in-situ synthesis carried titanium dioxide, nano zine oxide
Under room temperature, Xiang Shuizhong adds appropriate soluble titanium hydrochlorate and soluble zinc salt, mechanical stirring 60min, the oyster shell whiting of getting some amount impregnated in this solution, regulate pH=10, stir 2h, standing 12h, remove supernatant liquid, after washing, oven dry, 800 ℃ of calcinings, can obtain shell powder supported fixing matrix material, for improving charge capacity, repeatedly load.
The 2nd step: prepare glue
80% water, 5% polyvinyl alcohol, 5% Mierocrystalline cellulose, 10% treated starch heating are merged and are made.
The 3rd step: site operation
During construction, the glue that the powder that the first step is made and second step are made and pigment can adopt the mode of spraying, brushing or roller coating to construct after fully mixing sand milling.
embodiment 2
In coating system, weight percent is as follows:
Oyster shell whiting: 50%; TiO
2nanoparticle: 10%, nano zine oxide: 8%; Talcum powder 20%; Composite glue: 10%, pigment: 2%
Ecological oyster shell whiting environmental protection composite coating preparation method
The 1st step: oyster shell whiting is by in-situ synthesis carried titanium dioxide, nano zine oxide
Under room temperature, Xiang Shuizhong adds appropriate soluble titanium hydrochlorate and soluble zinc salt, mechanical stirring 30min, the oyster shell whiting of getting some amount impregnated in this solution, regulate pH=10.5, stir 1h, standing 10h, remove supernatant liquid, after washing, oven dry, 800 ℃ of calcinings, can obtain shell powder supported fixing matrix material, for improving charge capacity, repeatedly load.
The 2nd step: prepare glue
65% water, 15% polyvinyl alcohol, 8% Mierocrystalline cellulose, 12% treated starch heating are merged and are made.
The 3rd step: site operation
During construction, the glue that the powder that the first step is made and second step are made and pigment can adopt the mode of spraying, brushing or roller coating to construct after fully mixing sand milling.
embodiment 3
In coating system, mass percent is as follows:
Oyster shell whiting: 30%; TiO
2nanoparticle: 5%, nano zine oxide: 5%; Talcum powder 38%; Composite glue: 20%, pigment: 2%
Ecological oyster shell whiting environmental protection composite coating preparation method
The 1st step: oyster shell whiting is by in-situ synthesis carried titanium dioxide, nano zine oxide
Under room temperature, Xiang Shuizhong adds appropriate soluble titanium hydrochlorate and soluble zinc salt, mechanical stirring 50min, the oyster shell whiting of getting some amount impregnated in this solution, regulate pH=11, stir 1.5h, standing 12h, remove supernatant liquid, after washing, oven dry, 800 ℃ of calcinings, can obtain shell powder supported fixing matrix material, for improving charge capacity, repeatedly load.
The 2nd step: prepare glue
75% water, 10% polyvinyl alcohol, 5% Mierocrystalline cellulose, 10% treated starch heating are merged and are made.
The 3rd step: site operation
During construction, the glue that the powder that the first step is made and second step are made and pigment can adopt the mode of spraying, brushing or roller coating to construct after fully mixing sand milling.
Subordinate list:
Each weight percentages of components table in table 1 coating system;
Each weight percentages of components table in table 2 glue;
Table 3 preparation technology parameter table.
Table 1
Table 2
Table 3
Claims (3)
1. one kind has the ecological oyster shell whiting environmental protection of the dry powder type composite coating of comprehensive function, it is characterized in that: described ecological oyster shell whiting environmental protection composite coating, take oyster shell whiting as main film forming substance, introduce a certain amount of nano titanium oxide and nano zine oxide simultaneously and form oyster shell whiting inorganic nano composite powder, the weight percent of the composite coating each component take this composite granule as main component is oyster shell whiting: 30%～50%; Nano titanium oxide: 5%～10%, nano zine oxide: 5%～10%; Talcum powder 20%～40%; Composite glue: 5%～20%, pigment: 1%～10%.
2. the ecological oyster shell whiting environmental protection of a kind of dry powder type with comprehensive function composite coating according to claim 1, is characterized in that: described composite glue is to be merged and made by 60%～90% water, 3%～15% polyvinyl alcohol, 4%～10% Mierocrystalline cellulose, 8%～13% treated starch heating.
3. the ecological oyster shell whiting environmental protection of a kind of dry powder type with comprehensive function composite coating preparation method according to claim 1, it is characterized in that: described oyster shell whiting inorganic nano composite powder is that nano titanium oxide and nano zine oxide firmly load in oyster shell whiting micropore by the synthetic method of chemical original position; Chemistry in-situ synthesis loading process is as follows: under room temperature, Xiang Shuizhong adds appropriate soluble titanium hydrochlorate and soluble zinc salt, mechanical stirring 20min～60min, the oyster shell whiting of getting some amount impregnated in this solution, regulate pH=8～12, stir 1h～3h, standing 10h～15h, remove supernatant liquid, after washing, oven dry, 800 ℃ of calcinings, can obtain shell powder supported fixing composite granule, in this composite granule, nano titanium oxide and nano zine oxide are uniformly distributed in the cavernous structure of oyster shell whiting;
Described ecological oyster shell whiting environmental protection composite coating, mixes composite granule with composite glue and pigment, put into container and stir and be prepared from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410011558.XA CN103755226A (en) | 2014-01-10 | 2014-01-10 | Dry powder type ecological shell powder environment-friendly composite coating with comprehensive functions |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104151984A (en) * | 2014-07-10 | 2014-11-19 | 天途路业集团上海交通科技有限公司 | Hot-melting liner coating capable of absorbing tail gas |
| CN105343918A (en) * | 2015-12-08 | 2016-02-24 | 深圳市世家丽科技发展有限公司 | Deodorant containing shell powder |
| CN105419494A (en) * | 2015-12-29 | 2016-03-23 | 七彩贝壳新材料科技股份有限公司 | Nano hollow TiO2/shell powder interior wall coating material capable of decomposing harmful gases efficiently and preparation method therefor |
| CN105669083A (en) * | 2015-12-17 | 2016-06-15 | 张龙飞 | Indoor air purifying material and preparation method thereof |
| CN106630747A (en) * | 2016-10-18 | 2017-05-10 | 佟朝富 | Ecological shell powder embossment coating and interior wall embossment construction method |
| CN107572875A (en) * | 2017-10-16 | 2018-01-12 | 江苏贝壳居新材料科技有限公司 | The preparation method of environment-friendly type shell powder paint |
| CN108264782A (en) * | 2018-01-04 | 2018-07-10 | 黑龙江贝丝鳗环保科技有限公司 | A kind of Dry powder type shell powder coating and preparation method thereof |
| CN108298894A (en) * | 2016-08-25 | 2018-07-20 | 万卓（武汉）新材料有限公司 | A kind of oyster shell whiting ecology porcelain tendre and preparation method thereof |
| CN108976872A (en) * | 2018-06-15 | 2018-12-11 | 夏怀军 | A kind of preparation method for discharging negative ion far-infrared and removing the conch meal water paint of aldehyde antibacterial |
| CN112521777A (en) * | 2019-09-19 | 2021-03-19 | 上海复森涂装科技有限公司 | Inorganic mineral shell powder coating with formaldehyde purification and decomposition functions |
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| CN103011682A (en) * | 2011-09-20 | 2013-04-03 | 吉林省贝安环保材料有限公司 | Ecological shell powder inorganic nanometer composite coating material and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104151984A (en) * | 2014-07-10 | 2014-11-19 | 天途路业集团上海交通科技有限公司 | Hot-melting liner coating capable of absorbing tail gas |
| CN105343918A (en) * | 2015-12-08 | 2016-02-24 | 深圳市世家丽科技发展有限公司 | Deodorant containing shell powder |
| CN105343918B (en) * | 2015-12-08 | 2016-06-22 | 深圳市世家丽科技发展有限公司 | A kind of deodorizer containing conch meal |
| CN105669083A (en) * | 2015-12-17 | 2016-06-15 | 张龙飞 | Indoor air purifying material and preparation method thereof |
| CN105419494A (en) * | 2015-12-29 | 2016-03-23 | 七彩贝壳新材料科技股份有限公司 | Nano hollow TiO2/shell powder interior wall coating material capable of decomposing harmful gases efficiently and preparation method therefor |
| CN105419494B (en) * | 2015-12-29 | 2017-06-09 | 七彩贝壳新材料科技股份有限公司 | A kind of hollow nano TiO of efficient-decomposition pernicious gas2/ shell powder interior wall paint and preparation method thereof |
| CN108298894A (en) * | 2016-08-25 | 2018-07-20 | 万卓（武汉）新材料有限公司 | A kind of oyster shell whiting ecology porcelain tendre and preparation method thereof |
| CN106630747A (en) * | 2016-10-18 | 2017-05-10 | 佟朝富 | Ecological shell powder embossment coating and interior wall embossment construction method |
| CN107572875A (en) * | 2017-10-16 | 2018-01-12 | 江苏贝壳居新材料科技有限公司 | The preparation method of environment-friendly type shell powder paint |
| CN108264782A (en) * | 2018-01-04 | 2018-07-10 | 黑龙江贝丝鳗环保科技有限公司 | A kind of Dry powder type shell powder coating and preparation method thereof |
| CN108976872A (en) * | 2018-06-15 | 2018-12-11 | 夏怀军 | A kind of preparation method for discharging negative ion far-infrared and removing the conch meal water paint of aldehyde antibacterial |
| CN112521777A (en) * | 2019-09-19 | 2021-03-19 | 上海复森涂装科技有限公司 | Inorganic mineral shell powder coating with formaldehyde purification and decomposition functions |
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Application publication date: 20140430 |