CN109320115A - The preparation method and application of environment friendly decorative material - Google Patents
The preparation method and application of environment friendly decorative material Download PDFInfo
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- CN109320115A CN109320115A CN201811327015.3A CN201811327015A CN109320115A CN 109320115 A CN109320115 A CN 109320115A CN 201811327015 A CN201811327015 A CN 201811327015A CN 109320115 A CN109320115 A CN 109320115A
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- environment friendly
- decorative material
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/023—Fired or melted materials
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to the preparation method and applications of environment friendly decorative material to carry out segmentation drying after being crushed shell, which is characterized in that segmentation drying temperature is 80~550 DEG C.Present invention sintering uniformly, has biggish specific surface area, remains natural micropore and organic matter, and adhesive force is good, while also having the function of removing pernicious gas.
Description
Technical field
The present invention relates to the preparation method and applications of environment friendly decorative material.
Background technique
Shell is to live in the molluscan outer embrane in waterside, by a kind of molluscan secretion institute of special gland cell
The calcified material of the protection body soft of formation.The main component of shell is 95%Calcium carbonateWith a small amount of chitin element.
Shell can be divided into three layers from outside to inside: cuticula, prismatic layer (chalk layer), nacre.But only shell is by just solving
Carbolic acid calcium composition, other overwhelming majority shellfish shells, are all by the calcium carbonate of aragonite (aragonite) mechanism.
Only edge is prismatic layer to oyster shell, within edge, paracentral big portion be chalk layer, in length and breadth, cavity is numerous for plate,
Like honeycomb, capillary phenomenon is especially apparent, and is had biggish specific surface area, can be adsorbed pernicious gas and solid granule, is used
Air purification effect can be played in building and ornament materials, haze can be reduced.
Oyster shell and lime stone something in common are made of calcium carbonate, and different places is: it compares with lime stone, shellfish
More 5% organic matters of shell.It is exactly because of this organic matter, oyster shell hardness is twice than lime stone, and toughness is lime stone
3000 times.There is not the specific surface area for increasing oyster shell after calcining oyster shell at present and retain original organic matter in oyster shell and answers
For in ornament materials.
Traditional prepares calcium oxide with oyster shell, is using the mode of charcoal calcining, by firing for a long time, oyster shell
In Decomposition of Calcium Carbonate be quick lime.Charcoal was replaced with coal dust later, calcium oxide yield is higher.Ye You enterprise in China starts at present
Oyster shell temperature-gradient method technique is studied, if patent name is the roasting apparatus and roasting technique for producing oyster shell powder, the patent No.
201610058530.0, although having carried out progressive heating process, its calcination temperature is still very high, and gas inlet temperature is
900 DEG C, and its final purpose is to improve the yield of calcium oxide, and ph is 9.2-9.8.Since its calcination temperature is excessively high, make oyster
Natural organic matter in shell decomposes, and the more micropore for also destroying natural whiting in oyster shell of calcium oxide of its generation, drop
Low specific surface area.Natural organic matter has viscosity in oyster shell, it is possible to reduce the usage amount of stickum, such as carboxymethyl cellulose
The usage amount of plain sodium, starch and putty rubber powder.
Summary of the invention
The present invention provides the preparation method and application of environment friendly decorative material, solves technical problem 1) be remain it is natural micro-
Hole and organic matter have biggish specific surface area；It solves the problems, such as that 2) adhesive force is good, while also there is the work for removing pernicious gas
With.
In order to solve the above-mentioned technical problem, the invention adopts the following technical scheme:
The preparation method of environment friendly decorative material after being crushed shell, carries out segmentation drying to get environment friendly decorative material, segmentation
Drying temperature is 80~550 DEG C.
Preferably, being crushed fineness is 0.5~3cm.
Preferably, the shell is oyster shell.
Preferably, the segmentation drying is divided into preliminary drying and calcining.
Preferably, the preliminary drying temperature is 80~180 DEG C；The calcination temperature is 450~550 DEG C.
Preferably, the preliminary drying time is 20~35min；The calcination time is 5~20min.
Preferably, top-baking equipment is airflow dryer；Calciner is boiling type drying oven.
Preferably, air-flow is provided by fluidized bed furnace in airflow dryer, and air-flow velocity is 2~5m3/s；Boiling type drying oven heat
Amount is provided by heat exchanger.
It preferably, further include ball milling, environment friendly decorative material fineness is 10~150 μm after ball milling, and pH is 7.0~8.0.
Environment friendly decorative material is applied to finishing by the application of environment friendly decorative material, or
Environment friendly decorative material is applied to building.
Invention has following advantageous effects:
1. calcination temperature of the present invention is low, natural micropore and organic matter, large specific surface area are remained.
2. the present invention is handled shell by prebake, it can prevent having agglomeration in shell, outer layer mistake occurs in reduction
The case where burning, internal layer underburnt, make the more stable property of product quality.
3. the present invention is applied in ornament materials, have adhesive force good, while also having the function of removing pernicious gas.
Detailed description of the invention
Fig. 1 is the electron microscope of environment friendly decorative material.
Specific embodiment
The present invention is further illustrated below with reference to specific example.
Embodiment 1
Oyster shell is crushed to 0.8~2cm by the preparation method of environment friendly decorative material, carries out segmentation drying to get environmental-protection decoration material
Material.
The segmentation drying is divided into preliminary drying and two stages of calcining.
The preliminary drying temperature is 120~130 DEG C；The calcination temperature is 500 ± 50 DEG C.
The preliminary drying time is 30min；The calcination time is 10min.
Top-baking equipment is airflow dryer；Calciner is boiling type drying oven.
Air-flow is provided by fluidized bed furnace in airflow dryer；Air-flow velocity is 3.5m3/s。
Boiling type drying oven heat is provided by heat exchanger.
Embodiment 2
Oyster shell is crushed to 0.8~2cm by the preparation method of environment friendly decorative material, carries out segmentation drying to get environmental-protection decoration material
Material.
The segmentation drying is divided into preliminary drying and two stages of calcining.
The preliminary drying temperature is 120~130 DEG C；The calcination temperature is 500 ± 50 DEG C.
The preliminary drying time is 30min；The calcination time is 10min.
Top-baking equipment is airflow dryer；Calciner is boiling type drying oven.
Air-flow is provided by fluidized bed furnace in airflow dryer；Air-flow velocity is 3.5m3/s。
Boiling type drying oven heat is provided by heat exchanger.
Ball milling is carried out after oyster shell segmentation drying, environment friendly decorative material fineness is 50 μm after ball milling, pH 7.4.
Embodiment 3
Shell is crushed to 0.9~2.5cm by the preparation method of environment friendly decorative material, carries out segmentation drying to get environmental-protection decoration material
Material.
The segmentation drying is divided into preliminary drying and two stages of calcining.
The preliminary drying temperature is 130~160 DEG C；The calcination temperature is 500 ± 40 DEG C.
The preliminary drying time is 35min；The calcination time is 5min.
Top-baking equipment is airflow dryer；Calciner is boiling type drying oven.
Air-flow is provided by fluidized bed furnace in airflow dryer；Air-flow velocity is 4m3/s。
Boiling type drying oven heat is provided by heat exchanger.
Ball milling is carried out after shell segmentation drying, environment friendly decorative material fineness is 55 μm after ball milling, pH 7.2.
Embodiment 4
Shell is crushed to 0.5~3cm by the preparation method of environment friendly decorative material, carries out segmentation drying to get environmental-protection decoration material
Material.
The segmentation drying is divided into preliminary drying and two stages of calcining.
The preliminary drying temperature is 90~110 DEG C；The calcination temperature is 500 ± 40 DEG C.
The preliminary drying time is 25min；The calcination time is 15min.
Top-baking equipment is airflow dryer；Calciner is boiling type drying oven.
Air-flow is provided by fluidized bed furnace in airflow dryer；Air-flow velocity is 3.5m3/s。
Boiling type drying oven heat is provided by heat exchanger.
Ball milling is carried out after shell segmentation drying, environment friendly decorative material fineness is 50~70 μm after ball milling, pH 7.5.
Embodiment 5
Shell is crushed to 0.5~3cm by the preparation method of environment friendly decorative material, carries out segmentation drying to get environmental-protection decoration material
Material.
The segmentation drying is divided into preliminary drying and two stages of calcining.
The preliminary drying temperature is 120~140 DEG C；The calcination temperature is 500 ± 40 DEG C.
The preliminary drying time is 20min；The calcination time is 20min.
Top-baking equipment is airflow dryer；Calciner is boiling type drying oven.
Air-flow is provided by fluidized bed furnace in airflow dryer；Air-flow velocity is 3.5m3/s。
Boiling type drying oven heat is provided by heat exchanger.
Ball milling is carried out after shell segmentation drying, environment friendly decorative material fineness is 50 μm after ball milling, pH 7.7.
Embodiment 6
The preparation method of environment friendly decorative material after being crushed shell, carries out segmentation drying to get environment friendly decorative material, environmental protection dress
Exterior material fineness is 40~60 μm, and pH is 7.0~8.0.Environment friendly decorative material is applied to building.The shell be colored clam shell,
The composition that marine rainbow shell and scallop shell arbitrarily mix.
Embodiment 7
The preparation method of environment friendly decorative material after being crushed shell, carries out segmentation drying to get environment friendly decorative material, environmental protection dress
Exterior material fineness is 40~60 μm, and pH is 7.0~8.0.Environment friendly decorative material is applied to finishing.
Embodiment 8
The preparation method of environment friendly decorative material after being crushed shell, carries out segmentation drying to get environment friendly decorative material, environmental protection dress
Exterior material fineness is 40~60 μm, and pH is 7.0~8.0.
Embodiment 9
The preparation method of environment friendly decorative material after being crushed shell, carries out segmentation drying to get environment friendly decorative material.
Beneficial effects of the present invention are further illustrated below with reference to experimental data:
Experiment one
1, material to be tested is tested
1 materials and methods:
1.1 test sites: Tuo Bushi (Shanghai) plant nutrient Science and Technology Ltd. laboratory.
1.2 experiment detections: the specific surface area and the content of organic matter of environment friendly decorative material.
1.3 materials to be tested: embodiment 2, blank (shell is directly crushed without calcining, and fineness is similarly 50 μm) and comparison 1
(in addition to calcination temperature is 750 ± 40 DEG C, other preparation methods are consistent with embodiment 2).
1.4 examination criterias: according to SY/T 6154-1995, " rock specific surface and pore-size distribution measure static state to specific surface area
N2 adsorption volumetric method " it detects, organic matter is measured according to organic matter detection method in NY525-2012.
In addition to detection substance is different, other detection modes are consistent for this experiment.
2 results and analysis
Specific surface area and organic matter testing result, are shown in Table 1.
Table 1
| Sample | Specific surface area (m2/ g) | The content of organic matter (%) |
| Embodiment 2 | 5107.4 | 1.72 |
| Blank | 3679.2 | 2.31 |
| Comparison 1 | 4734.5 | 0.53 |
As can be seen from Table 1, the specific surface area of oyster shell can be improved in the present invention, while reducing natural organic matter in oyster shell
Loss.
Experiment two
1, material to be tested is tested
1 materials and methods:
1.1 test sites: Tuo Bushi (Shanghai) plant nutrient Science and Technology Ltd. laboratory.
1.2 experiment detections: condition in container, low tempertaure storage stability, application property, drying time (surface drying), initial stage are dry
Crack resistance (3h), grinability, water resistance, adhesion strength and flexibility.
1.3 materials to be tested: embodiment 2, blank (oyster shell is directly crushed without calcining, and fineness is similarly 50 μm) and comparison
For 1(in addition to calcination temperature is 650 ± 40 DEG C, other preparation methods are consistent with embodiment 2) it is pressed respectively with white cement, putty rubber powder
According to mass ratio 69.5:30:0.5, form powder of lacquer putty for use on, testing result is shown in Table 2.
Embodiment 2, blank (shell is directly crushed without calcining, and fineness is similarly 50 μm) and comparison 1(are except calcination temperature is
650 ± 40 DEG C are outer, and other preparation methods are consistent with embodiment 2) respectively with white cement, putty rubber powder according to mass ratio 69:
30:1, forms powder of lacquer putty for use on, and testing result is shown in Table 3.
1.4 detection methods: it is detected according to JGT298-2010 standard.
2, testing result
Oyster shell, white cement, putty rubber powder mass ratio are 69.5:30:0.5 in 2.1 powder of lacquer putty for use on, and testing result is shown in Table 2
Table 2
| Blank | Embodiment 2 | Comparison 1 | |
| Condition in container | There is agglomeration, unevenly | Without agglomeration, uniformly | Without agglomeration, uniformly |
| Low tempertaure storage stability | Circulation is never degenerated three times | Circulation is never degenerated three times | Circulation is never degenerated three times |
| Application property | Blade coating slightly has obstacle | It scratches accessible | It scratches accessible |
| Drying time (surface drying)/h | 1.2 | 1.5 | 1.5 |
| Initial dry cracking resistance (3h) | There is crackle | Flawless | There is crackle |
| Grinability | It can polish by hand | It can polish by hand | It can polish by hand |
| Water resistance | 48h has blistering, cracking and a small amount of picking | 48h is without blistering, no cracking and without obvious picking | 48h has blistering, cracking and a small amount of picking |
| Adhesion strength/Mpa(standard state) | 0.37 | 0.41 | 0.34 |
| Flexibility | Diameter 100mm, there is crackle | Diameter 100mm, flawless | Diameter 100mm, there is crackle |
Oyster shell, white cement, putty rubber powder mass ratio are 69:30:1 in 2.2 powder of lacquer putty for use on, and testing result is shown in Table 3
Table 3
| Blank | Embodiment 2 | Comparison 1 | |
| Condition in container | Without agglomeration, uniformly | Without agglomeration, uniformly | Without agglomeration, uniformly |
| Low tempertaure storage stability | Circulation is never degenerated three times | Circulation is never degenerated three times | Circulation is never degenerated three times |
| Application property | It scratches accessible | It scratches accessible | It scratches accessible |
| Drying time (surface drying)/h | 1.2 | 1.5 | 1.5 |
| Initial dry cracking resistance (3h) | Flawless | Flawless | Flawless |
| Grinability | It can polish by hand | It can polish by hand | It can polish by hand |
| Water resistance | 48h is without blistering, no cracking and obvious picking | 48h is without blistering, no cracking and obvious picking | 48h is without blistering, no cracking and obvious picking |
| Adhesion strength/Mpa(standard state) | 1.09 | 1.13 | 1.04 |
| Flexibility | Diameter 100mm, flawless | Diameter 100mm, flawless | Diameter 100mm, flawless |
As can be seen from Table 2, blank and comparison 1 have a small amount of picking, and adhesion strength is low, poor toughness；And add as can be seen from Table 3
The putty rubber powder for the amount of doubling, picking, adhesion strength and toughness problem can solve, consolidated statement 1, table 2 and table 3 it can be concluded that
The present invention is by improving oyster shell surface micropore and retaining natural organic matter, it is possible to reduce the usage amount of viscous material.
Experiment three
1, material to be tested is tested
1 materials and methods:
1.1 test sites: Tuo Bushi (Shanghai) plant nutrient Science and Technology Ltd. laboratory.
1.2 experiment detections: detection content of formaldehyde.
1.3 materials to be tested and embodiment: (oyster shell is directly crushed without calcining, and fineness is similarly for embodiment 2, blank
50 μm) and comparison 1(except calcination temperature be 650 ± 40 DEG C in addition to, other preparation methods with embodiment 2 unanimously) respectively with plain boiled water
Mud, putty rubber powder according to mass ratio 69:30:1, form powder of lacquer putty for use on, respectively to 3 of 1m*1m*1m can inside closed container into
Row painting, paint thickness 0.15mm are passed through formaldehyde into container, make concentration of formaldehyde 0.27 in container, closed container, 48h
Content of formaldehyde in detection container afterwards.
1.4 detection methods: it according to " Indoor Air Quality standards " GB/T1 8883-2002 method PARA FORMALDEHYDE PRILLS(91,95) and may be inhaled
Particle PM10 is detected.
2, testing result is shown in Table 4
Table 4
As can be seen from Table 4, for the present invention in terms of formaldehyde adsorption and inhalable particles PM10, effect is preferable.
Claims (10)
1. the preparation method of environment friendly decorative material after being crushed shell, carries out segmentation drying to get environment friendly decorative material, spy
Sign is that segmentation drying temperature is 80~550 DEG C.
2. the preparation method of environment friendly decorative material as described in claim 1, which is characterized in that broken fineness is 0.5~3cm.
3. the preparation method of environment friendly decorative material as claimed in claim 1 or 2, which is characterized in that the shell is oyster shell.
4. the preparation method of environment friendly decorative material as claimed in claim 1 or 2, which is characterized in that the segmentation drying is divided into pre-
It dries
And calcining.
5. the preparation method of environment friendly decorative material as claimed in claim 3, which is characterized in that the preliminary drying temperature is 80~180
℃；
The calcination temperature is 450~550 DEG C.
6. the preparation method of environment friendly decorative material as claimed in claim 4, which is characterized in that the preliminary drying time be 20~
35min；
The calcination time is 5~20min.
7. the preparation method of environment friendly decorative material as claimed in claim 5, which is characterized in that top-baking equipment is airflow dryer；
Calciner is boiling type drying oven.
8. the preparation method of environment friendly decorative material as claimed in claim 6, which is characterized in that air-flow is by boiling in airflow dryer
Furnace provides, and air-flow velocity is 2~5m3/s；Boiling type drying oven heat is provided by heat exchanger.
9. the preparation method of environment friendly decorative material as described in claim 1, which is characterized in that further include ball milling, environmental protection after ball milling
Ornament materials fineness is 10~150 μm, and pH is 7.0~8.0.
10. the application of environment friendly decorative material, which is characterized in that environment friendly decorative material is applied to finishing, or
Environment friendly decorative material is applied to building.
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Cited By (2)
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|---|---|---|---|---|
| CN110066541A (en) * | 2019-05-11 | 2019-07-30 | 温州倍诺生物材料科技有限公司 | Use the extremely low interior wall oyster putty material and preparation method thereof of chemical synthesis preparation content |
| CN114345467A (en) * | 2022-01-11 | 2022-04-15 | 深圳东诚装饰建筑集团有限公司 | Preparation method of environment-friendly decorative material |
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| CN109320115B (en) | 2022-01-04 |
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