CN110577379A - composite sound insulation board and production process thereof - Google Patents
composite sound insulation board and production process thereof Download PDFInfo
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- CN110577379A CN110577379A CN201810605329.9A CN201810605329A CN110577379A CN 110577379 A CN110577379 A CN 110577379A CN 201810605329 A CN201810605329 A CN 201810605329A CN 110577379 A CN110577379 A CN 110577379A
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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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/28—Polysaccharides or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a composite sound insulation board and a production process thereof. The composite sound insulation board comprises the following raw materials in parts by weight: 35-40 parts of bentonite, 6-15 parts of wood fiber, 5-10 parts of perlite particles, 4-8 parts of activated carbon, 6-11 parts of plant straw powder, 2-5 parts of light-burned magnesium oxide, 3-7 parts of xanthan powder, 5-10 parts of expanded vermiculite, 5-7 parts of silica fume, 10-20 parts of polyacrylamide and 5-9 parts of binder. The composite sound insulation board disclosed by the invention can adsorb general pollutants in the air by utilizing the characteristics of bentonite, and the prepared sound insulation board is good in sound insulation effect, has the performances of heat preservation and water resistance, is free of radioactive elements and cannot generate toxic gas; the composite sound insulation board has simple preparation process and is suitable for industrial mass production; the raw materials are easy to obtain and environment-friendly, and accord with the green development trend of China; the composite sound insulation board disclosed by the invention has the characteristics of corrosion resistance, moisture resistance, moth prevention, no deformation and the like, and can be widely applied to walls, wall boards and sound insulation boards in buildings.
Description
Technical Field
The invention relates to a sound insulation board, in particular to a composite sound insulation board and a production process thereof.
background
The acoustic baffle is a plate with the average sound insulation amount (an infinite material is placed between a sound source and a measured point in an infinite space) exceeding 30 dB. The general objects have a sound-insulating effect, and the sound-insulating board is generally a high-density material. The sound insulation of buildings and the sound insulation of structures can be classified according to the category of civil engineering.
most of sound insulation boards for architectural decoration are made of cement, and have the defects of heavy weight, poor sound insulation effect and poor heat insulation effect, while some building materials using gypsum boards as sound insulation boards have the defects of low strength, strong water absorption, poor impact resistance and the like. Nowadays, the application of bentonite in the building industry is increasingly larger, and the special performance of the bentonite is also increasingly favored by the manufacturing industry. The bentonite is a clay mineral which takes attapulgite as a main component, the attapulgite is a crystalline hydrated magnesium aluminum silicate mineral, has unique layer chain structure characteristics, and is an ideal structural material due to the microscopic structure of nano-scale hole channels. The sound insulation material can better enhance the sound insulation effect when being applied to sound insulation materials, has certain heat insulation performance, and can adsorb general pollutants in the air.
Disclosure of Invention
The invention aims to provide a composite sound insulation board and a production process thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
A composite sound insulation board comprises the following raw materials in parts by weight: 35-40 parts of bentonite, 6-15 parts of wood fiber, 5-10 parts of perlite particles, 4-8 parts of activated carbon, 6-11 parts of plant straw powder, 2-5 parts of light-burned magnesium oxide, 3-7 parts of xanthan powder, 5-10 parts of expanded vermiculite, 5-7 parts of silica fume, 10-20 parts of polyacrylamide and 5-9 parts of binder.
as a further scheme of the invention: the composite sound insulation board comprises the following raw materials in parts by weight: 37-39 parts of bentonite, 8-13 parts of wood fiber, 6-8 parts of perlite particles, 5-7 parts of activated carbon, 8-10 parts of plant straw powder, 3-5 parts of light-burned magnesia, 4-6 parts of xanthan powder, 6-8 parts of expanded vermiculite, 6-7 parts of silica fume, 12-17 parts of polyacrylamide and 6-8 parts of binder.
As a further scheme of the invention: the composite sound insulation board comprises the following raw materials in parts by weight: 38 parts of bentonite, 10 parts of wood fiber, 7 parts of perlite particles, 6 parts of activated carbon, 9 parts of plant straw powder, 4 parts of light-burned magnesia, 5 parts of xanthan powder, 7 parts of expanded vermiculite, 6 parts of silica fume, 15 parts of polyacrylamide and 7 parts of binder.
A preparation process of a composite sound insulation board comprises the following steps:
Weighing bentonite, wood fiber, perlite particles, activated carbon, plant straw powder, light-burned magnesium oxide, xanthan powder, expanded vermiculite, silica fume, polyacrylamide and a binder according to the formula for later use;
step two, uniformly mixing bentonite and 3-5 times of water by weight to obtain bentonite mixed solution;
Step three, mixing and stirring wood fibers, perlite particles, activated carbon and light-burned magnesium oxide to obtain a mixture; the stirring speed is 200-300 r/min;
step four, mixing and stirring the plant straw powder, the expanded vermiculite, the silica fume and the polyacrylamide to prepare a pasty mixture; the stirring speed is 100-200 r/min;
Step five, adding the bentonite mixed solution obtained in the step two into the mixture obtained in the step three, and uniformly stirring; the stirring speed is 400-500 r/min;
Step six, uniformly stirring the paste mixture obtained in the step four and the paste obtained in the step five with xanthan powder and a binder; the stirring speed is 150-300 r/min;
and step seven, pouring the obtained product in the step seven into a mold, and standing for 2-3 days to obtain a finished product.
As a further scheme of the invention: and the stirring speed in the third step is 240 r/min.
As a further scheme of the invention: and the stirring speed of the fourth step is 150 r/min.
as a further scheme of the invention: and the stirring speed of the fifth step is 460 r/min.
As a further scheme of the invention: step six, the stirring speed is 250 r/min.
Compared with the prior art, the invention has the beneficial effects that:
The composite sound insulation board is prepared from bentonite, wood fibers, perlite particles, activated carbon, plant straw powder, light-burned magnesium oxide, xanthan powder, expanded vermiculite, silica fume, polyacrylamide and a binder; the composite sound insulation board disclosed by the invention can adsorb general pollutants in the air by utilizing the characteristics of bentonite, and the prepared sound insulation board is good in sound insulation effect, has the performances of heat preservation and water resistance, is free of radioactive elements and cannot generate toxic gas; the composite sound insulation board has simple preparation process and is suitable for industrial mass production; the raw materials are easy to obtain and environment-friendly, and accord with the green development trend of China; the composite sound insulation board disclosed by the invention has the characteristics of corrosion resistance, moisture resistance, moth prevention, no deformation and the like, and can be widely applied to walls, wall boards and sound insulation boards in buildings.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
A composite sound insulation board comprises the following raw materials in parts by weight: 35 parts of bentonite, 6 parts of wood fiber, 5 parts of perlite particles, 4 parts of activated carbon, 6 parts of plant straw powder, 2 parts of light-burned magnesia, 3 parts of xanthan powder, 5 parts of expanded vermiculite, 5 parts of silica fume, 10 parts of polyacrylamide and 5 parts of binder.
A preparation process of a composite sound insulation board comprises the following steps: weighing bentonite, wood fiber, perlite particles, activated carbon, plant straw powder, light-burned magnesium oxide, xanthan powder, expanded vermiculite, silica fume, polyacrylamide and a binder according to the formula for later use; step two, uniformly mixing bentonite and 3 times of water by weight to obtain bentonite mixed solution; step three, mixing and stirring wood fibers, perlite particles, activated carbon and light-burned magnesium oxide to obtain a mixture; the stirring speed is 200 r/min; step four, mixing and stirring the plant straw powder, the expanded vermiculite, the silica fume and the polyacrylamide to prepare a pasty mixture; the stirring speed is 100 r/min; step five, adding the bentonite mixed solution obtained in the step two into the mixture obtained in the step three, and uniformly stirring; the stirring speed is 400 r/min; step six, uniformly stirring the paste mixture obtained in the step four and the paste obtained in the step five with xanthan powder and a binder; the stirring speed is 150 r/min; and step seven, pouring the obtained product in the step seven into a mold, and standing for 2 days to obtain a finished product.
Example 2
A composite sound insulation board comprises the following raw materials in parts by weight: 40 parts of bentonite, 15 parts of wood fiber, 10 parts of perlite particles, 8 parts of activated carbon, 11 parts of plant straw powder, 5 parts of light-burned magnesia, 7 parts of xanthan powder, 10 parts of expanded vermiculite, 7 parts of silica fume, 20 parts of polyacrylamide and 9 parts of binder.
A preparation process of a composite sound insulation board comprises the following steps: weighing bentonite, wood fiber, perlite particles, activated carbon, plant straw powder, light-burned magnesium oxide, xanthan powder, expanded vermiculite, silica fume, polyacrylamide and a binder according to the formula for later use; step two, uniformly mixing bentonite and water which is 5 times of the bentonite in weight to obtain bentonite mixed solution; step three, mixing and stirring wood fibers, perlite particles, activated carbon and light-burned magnesium oxide to obtain a mixture; the stirring speed is 300 r/min; step four, mixing and stirring the plant straw powder, the expanded vermiculite, the silica fume and the polyacrylamide to prepare a pasty mixture; the stirring speed is 200 r/min; step five, adding the bentonite mixed solution obtained in the step two into the mixture obtained in the step three, and uniformly stirring; the stirring speed is 500 r/min; step six, uniformly stirring the paste mixture obtained in the step four and the paste obtained in the step five with xanthan powder and a binder; the stirring speed is 300 r/min; and seventhly, pouring the obtained product into a mold, and standing for 3 days to obtain a finished product.
example 3
a composite sound insulation board comprises the following raw materials in parts by weight: 38 parts of bentonite, 10 parts of wood fiber, 7 parts of perlite particles, 6 parts of activated carbon, 9 parts of plant straw powder, 4 parts of light-burned magnesia, 5 parts of xanthan powder, 7 parts of expanded vermiculite, 6 parts of silica fume, 15 parts of polyacrylamide and 7 parts of binder.
A preparation process of a composite sound insulation board comprises the following steps: weighing bentonite, wood fiber, perlite particles, activated carbon, plant straw powder, light-burned magnesium oxide, xanthan powder, expanded vermiculite, silica fume, polyacrylamide and a binder according to the formula for later use; step two, uniformly mixing bentonite and water which is 4 times of the bentonite in weight to obtain bentonite mixed solution; step three, mixing and stirring wood fibers, perlite particles, activated carbon and light-burned magnesium oxide to obtain a mixture; the stirring speed is 240 r/min; step four, mixing and stirring the plant straw powder, the expanded vermiculite, the silica fume and the polyacrylamide to prepare a pasty mixture; the stirring speed is 150 r/min; step five, adding the bentonite mixed solution obtained in the step two into the mixture obtained in the step three, and uniformly stirring; the stirring speed is 460 r/min; step six, uniformly stirring the paste mixture obtained in the step four and the paste obtained in the step five with xanthan powder and a binder; the stirring speed is 250 r/min; and step seven, pouring the obtained product in the step seven into a mold, and standing for 2.5 days to obtain a finished product.
Example 4
A composite sound insulation board comprises the following raw materials in parts by weight: 37 parts of bentonite, 8 parts of wood fiber, 6 parts of perlite particles, 5 parts of activated carbon, 8 parts of plant straw powder, 3 parts of light-burned magnesia, 4 parts of xanthan powder, 6 parts of expanded vermiculite, 6 parts of silica fume, 12 parts of polyacrylamide and 6 parts of binder.
a preparation process of a composite sound insulation board comprises the following steps: weighing bentonite, wood fiber, perlite particles, activated carbon, plant straw powder, light-burned magnesium oxide, xanthan powder, expanded vermiculite, silica fume, polyacrylamide and a binder according to the formula for later use; step two, uniformly mixing bentonite and 3.2 times of water by weight to obtain bentonite mixed solution; step three, mixing and stirring wood fibers, perlite particles, activated carbon and light-burned magnesium oxide to obtain a mixture; the stirring speed is 225 r/min; step four, mixing and stirring the plant straw powder, the expanded vermiculite, the silica fume and the polyacrylamide to prepare a pasty mixture; the stirring speed is 120 r/min; step five, adding the bentonite mixed solution obtained in the step two into the mixture obtained in the step three, and uniformly stirring; the stirring speed is 420 r/min; step six, uniformly stirring the paste mixture obtained in the step four and the paste obtained in the step five with xanthan powder and a binder; the stirring speed is 180 r/min; and step seven, pouring the obtained product in the step seven into a mold, and standing for 2 days to obtain a finished product.
Example 5
A composite sound insulation board comprises the following raw materials in parts by weight: 39 parts of bentonite, 13 parts of wood fiber, 8 parts of perlite particles, 7 parts of activated carbon, 10 parts of plant straw powder, 5 parts of light-burned magnesia, 6 parts of xanthan powder, 8 parts of expanded vermiculite, 7 parts of silica fume, 17 parts of polyacrylamide and 8 parts of binder.
A preparation process of a composite sound insulation board comprises the following steps: weighing bentonite, wood fiber, perlite particles, activated carbon, plant straw powder, light-burned magnesium oxide, xanthan powder, expanded vermiculite, silica fume, polyacrylamide and a binder according to the formula for later use; step two, uniformly mixing bentonite and water which is 4.5 times of the bentonite in weight to obtain bentonite mixed solution; step three, mixing and stirring wood fibers, perlite particles, activated carbon and light-burned magnesium oxide to obtain a mixture; the stirring speed is 280 r/min; step four, mixing and stirring the plant straw powder, the expanded vermiculite, the silica fume and the polyacrylamide to prepare a pasty mixture; the stirring speed is 168 r/min; step five, adding the bentonite mixed solution obtained in the step two into the mixture obtained in the step three, and uniformly stirring; the stirring speed is 475 r/min; step six, uniformly stirring the paste mixture obtained in the step four and the paste obtained in the step five with xanthan powder and a binder; the stirring speed is 250 r/min; and seventhly, pouring the obtained product into a mold, and standing for 3 days to obtain a finished product.
The composite sound insulation board is prepared from bentonite, wood fibers, perlite particles, activated carbon, plant straw powder, light-burned magnesium oxide, xanthan powder, expanded vermiculite, silica fume, polyacrylamide and a binder; the composite sound insulation board disclosed by the invention can adsorb general pollutants in the air by utilizing the characteristics of bentonite, and the prepared sound insulation board is good in sound insulation effect, has the performances of heat preservation and water resistance, is free of radioactive elements and cannot generate toxic gas; the composite sound insulation board has simple preparation process and is suitable for industrial mass production; the raw materials are easy to obtain and environment-friendly, and accord with the green development trend of China; the composite sound insulation board disclosed by the invention has the characteristics of corrosion resistance, moisture resistance, moth prevention, no deformation and the like, and can be widely applied to walls, wall boards and sound insulation boards in buildings.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. The composite sound insulation board is characterized by comprising the following raw materials in parts by weight: 35-40 parts of bentonite, 6-15 parts of wood fiber, 5-10 parts of perlite particles, 4-8 parts of activated carbon, 6-11 parts of plant straw powder, 2-5 parts of light-burned magnesium oxide, 3-7 parts of xanthan powder, 5-10 parts of expanded vermiculite, 5-7 parts of silica fume, 10-20 parts of polyacrylamide and 5-9 parts of binder.
2. The composite acoustical panel of claim 1, wherein the composite acoustical panel comprises the following raw materials in parts by weight: 37-39 parts of bentonite, 8-13 parts of wood fiber, 6-8 parts of perlite particles, 5-7 parts of activated carbon, 8-10 parts of plant straw powder, 3-5 parts of light-burned magnesia, 4-6 parts of xanthan powder, 6-8 parts of expanded vermiculite, 6-7 parts of silica fume, 12-17 parts of polyacrylamide and 6-8 parts of binder.
3. The composite acoustical panel of claim 1, wherein the composite acoustical panel comprises the following raw materials in parts by weight: 38 parts of bentonite, 10 parts of wood fiber, 7 parts of perlite particles, 6 parts of activated carbon, 9 parts of plant straw powder, 4 parts of light-burned magnesia, 5 parts of xanthan powder, 7 parts of expanded vermiculite, 6 parts of silica fume, 15 parts of polyacrylamide and 7 parts of binder.
4. A process for preparing a composite acoustic panel according to any one of claims 1 to 3, comprising the steps of:
Weighing bentonite, wood fiber, perlite particles, activated carbon, plant straw powder, light-burned magnesium oxide, xanthan powder, expanded vermiculite, silica fume, polyacrylamide and a binder according to the formula for later use;
Step two, uniformly mixing bentonite and 3-5 times of water by weight to obtain bentonite mixed solution;
Step three, mixing and stirring wood fibers, perlite particles, activated carbon and light-burned magnesium oxide to obtain a mixture; the stirring speed is 200-300 r/min;
Step four, mixing and stirring the plant straw powder, the expanded vermiculite, the silica fume and the polyacrylamide to prepare a pasty mixture; the stirring speed is 100-200 r/min;
Step five, adding the bentonite mixed solution obtained in the step two into the mixture obtained in the step three, and uniformly stirring; the stirring speed is 400-500 r/min;
Step six, uniformly stirring the paste mixture obtained in the step four and the paste obtained in the step five with xanthan powder and a binder; the stirring speed is 150-300 r/min;
And step seven, pouring the obtained product in the step seven into a mold, and standing for 2-3 days to obtain a finished product.
5. the process for preparing a composite acoustical panel as set forth in claim 4, wherein the stirring speed in the third step is 240 r/min.
6. The process for preparing a composite acoustical panel according to claim 4, wherein the stirring speed in the fourth step is 150 r/min.
7. the process for preparing a composite acoustical panel according to claim 4, wherein the stirring speed in the fifth step is 460 r/min.
8. The process for preparing a composite acoustical panel according to claim 4, wherein the stirring speed in the sixth step is 250 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810605329.9A CN110577379A (en) | 2018-06-13 | 2018-06-13 | composite sound insulation board and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810605329.9A CN110577379A (en) | 2018-06-13 | 2018-06-13 | composite sound insulation board and production process thereof |
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| CN110577379A true CN110577379A (en) | 2019-12-17 |
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| CN201810605329.9A Withdrawn CN110577379A (en) | 2018-06-13 | 2018-06-13 | composite sound insulation board and production process thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111704427A (en) * | 2020-05-21 | 2020-09-25 | 谢思松 | Novel inner wall partition board and preparation method thereof |
| CN113372044A (en) * | 2021-06-09 | 2021-09-10 | 北京室内桃源新材料科技有限公司 | Green plate and preparation method thereof |
| CN114181539A (en) * | 2021-11-16 | 2022-03-15 | 常州市福欧车辆配件有限公司 | Preparation process of odor control agent for high-filling polymer sound insulation board of automobile |
-
2018
- 2018-06-13 CN CN201810605329.9A patent/CN110577379A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111704427A (en) * | 2020-05-21 | 2020-09-25 | 谢思松 | Novel inner wall partition board and preparation method thereof |
| CN113372044A (en) * | 2021-06-09 | 2021-09-10 | 北京室内桃源新材料科技有限公司 | Green plate and preparation method thereof |
| CN114181539A (en) * | 2021-11-16 | 2022-03-15 | 常州市福欧车辆配件有限公司 | Preparation process of odor control agent for high-filling polymer sound insulation board of automobile |
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