CN103937176A - Composite sound-absorbing board material added with calcium silicate and preparation method thereof - Google Patents
Composite sound-absorbing board material added with calcium silicate and preparation method thereof Download PDFInfo
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- CN103937176A CN103937176A CN201410157573.5A CN201410157573A CN103937176A CN 103937176 A CN103937176 A CN 103937176A CN 201410157573 A CN201410157573 A CN 201410157573A CN 103937176 A CN103937176 A CN 103937176A
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Abstract
The invention discloses a composite sound-absorbing board material added with calcium silicate. The composite sound-absorbing board material is prepared from the following raw materials in parts by weight: 100-120 parts of clam shell powder, 55-60 parts of kieselguhr, 35-40 parts of calcium silicate, 20-30 parts of morning glory stem, 10-15 parts of magnesium hydroxide, 45-50 parts of methyl acrylate, 20-30 parts of polyethylene glycol terephthalate, 10-15 parts of nylon 6, 5-7 parts of expanded polystyrene, 5-7 parts of fatty alcohol phosphate, 1-2 parts of crosslinking agent TAC, 1-2 parts of microcrystalline wax, 1-2 parts of butyl stearate and 2-3 parts of assistant. Calcium silicate is added, so that the chemical resistance and the humidity resistance are improved, the molding shrinking percentage is reduced, and the composite sound-absorbing board material has excellent dimension stability. The clam shell powder, the kieselguhr and the like are added, so that the mechanical property of the material is improved, and the composite sound-absorbing board material is flexible and wearable. Natural plant fibers such as morning glory stem and the like are added, so that the effect of absorbing noise is increased. The composite sound-absorbing board material is fireproof and nontoxic, and good in processing performance, can be recycled, and can be applied to fabrication of a sound-absorbing board and a sound-absorbing brick.
Description
Technical field
The present invention relates to a kind of acoustic panel material, be specifically related to a kind of composite sound-absorbing panel material that adds Calucium Silicate powder and preparation method thereof.
Background technology
Along with the development of industrial production, communications and transportation, urban architecture, and the increase of the density of population, the increasing of home amenity (sound equipment, air-conditioning, televisor etc.), neighbourhood noise is day by day serious, and it has become large public hazards of polluting human society environment.Common people can have an opportunity to be exposed in various noises in various degree in daily life, and various hearing disabilities in various degree may occur, and noise also can affect cardiovascular health, the quality of sleep, the even growth of fetus.
Acoustic panel refers to the tabular material with sound-absorbing noise reduction effect, is mainly used in that cinema, music hall, museum, exhibition center, Library, hearing room, gallery, auction hall, gymnasium, Conference Hall, multifunctional hall, hotel lobby, hospital, market, school, qin room, meeting room, television studio, recording studio, KTV private room, bar, industrial premises, machine room, family's noise reduction etc. are had relatively high expectations to acoustic enviroment and the place of top grade decoration.Existing acoustic panel material also has compound, but the compound performance index excellence of inorganic material and organic materials is less.Therefore, be badly in need of at present research and development a kind of have moisture retardant, pliable and tough light weight, good permeability, can recycle, nontoxic, sound-absorbing effect good and the sound-absorbing panel material of the advantage such as low cost of manufacture.
Summary of the invention
The object of the invention is to, a kind of composite sound-absorbing panel material that adds Calucium Silicate powder is provided, make that its chemical resistance is good, sound absorption and noise isolation, to achieve these goals, the technical solution used in the present invention is as follows:
Add a composite sound-absorbing panel material for Calucium Silicate powder, by the raw material of following weight part, made: river shell powder 100-120, diatomite 55-60, Calucium Silicate powder 35-40, morning glory rattan 20-30, magnesium hydroxide 10-15, methyl acrylate 45-50, polyethylene terephthalate 20-30, nylon 6 10-15, polystyrene foamed 15-17, phosphoric acid aliphatic alcohol ester 5-7, linking agent TAC 1-2, butyl stearate 1-2, auxiliary agent 2-3;
Described auxiliary agent is made by the raw material of following weight part: flax complete stool 8-10, Exocarpium cocois (Cocos nucifera L) 10-12, chestnut shell 5-7; Preparation method is cut into the segment of 2-3 centimetre by flax complete stool to mix with Exocarpium cocois (Cocos nucifera L), chestnut shell, with ball mill, wears into 250-300 order powder; Then add 1%-2% phosphoric acid solution, stir, soak 30-40 minute; Add again in 1%-2% sodium carbonate solution, stir 20-30 minute, then filter and take out; With deionized water, repeatedly clean 3-4 time, after oven dry, be ground into again fine powder and get final product.
A kind of composite sound-absorbing panel material that adds Calucium Silicate powder of the present invention, is made by following methods:
(1) morning glory rattan is sent in charring furnace, at 530-620 ℃, 3-4 hour is processed in charing, takes out, and is ground into powder;
(2) step (1) material is joined in stirring mixer, then add river shell powder, diatomite, Calucium Silicate powder, magnesium hydroxide, auxiliary agent high-speed mixing to stir within 3-4 minute, to obtain mixed powder;
(3) polyethylene terephthalate, nylon 6, polystyrene foamed, phosphoric acid aliphatic alcohol ester, linking agent TAC, butyl stearate are mixed, heating while stirring, just mixed 3-4 minute, then enter and in high-speed mixer, add step (2) mixed powder and all the other remaining components, speed with 1500-1800 rev/min at 110-120 ℃ stirs 3-5min, and it is stand-by that material is cooled to normal temperature;
(4) material of cooling mistake is added in twin screw mixing forcing machine and processed, then the material of extruding is dropped into granulator granulation, obtain acoustic panel material.
Beneficial effect of the present invention is: the present invention adds Calucium Silicate powder, has improved chemically-resistant, moisture resistance properties, reduces molding shrinkage, and has good dimensional stability; Add river shell powder, diatomite etc., improved the mechanical property of material, make it pliable and tough wear-resisting; Add the natural plant fibres such as morning glory rattan, increased the effect of absorption of noise; And the present invention prevent fires nontoxic, good processability, reusable edible, can be used for manufacturing acoustic panel, acoustical tile.
Embodiment
Add a composite sound-absorbing panel material for Calucium Silicate powder, by following weight part (kilogram) raw material make: river shell powder 100, diatomite 55, Calucium Silicate powder 35, morning glory rattan 20, magnesium hydroxide 10, methyl acrylate 45, polyethylene terephthalate 20, nylon 6 10, polystyrene foamed 15, phosphoric acid aliphatic alcohol ester 5, linking agent TAC 1, butyl stearate 1, auxiliary agent 2;
Described auxiliary agent by following weight part (kilogram) raw material make: flax complete stool 8, Exocarpium cocois (Cocos nucifera L) 10, chestnut shell 5; Preparation method is cut into the segment of 2-3 centimetre by flax complete stool to mix with Exocarpium cocois (Cocos nucifera L), chestnut shell, with ball mill, wears into 250-300 order powder; Then add 1%-2% phosphoric acid solution, stir, soak 30-40 minute; Add again in 1%-2% sodium carbonate solution, stir 20-30 minute, then filter and take out; With deionized water, repeatedly clean 3-4 time, after oven dry, be ground into again fine powder and get final product.
A kind of composite sound-absorbing panel material that adds Calucium Silicate powder of the present invention, is made by following methods:
(1) morning glory rattan is sent in charring furnace, at 530-620 ℃, 3-4 hour is processed in charing, takes out, and is ground into powder;
(2) step (1) material is joined in stirring mixer, then add river shell powder, diatomite, Calucium Silicate powder, magnesium hydroxide, auxiliary agent high-speed mixing to stir within 3-4 minute, to obtain mixed powder;
(3) polyethylene terephthalate, nylon 6, polystyrene foamed, phosphoric acid aliphatic alcohol ester, linking agent TAC, microcrystalline wax, butyl stearate are mixed, heating while stirring, just mixed 3-4 minute, then enter and in high-speed mixer, add step (2) mixed powder and all the other remaining components, speed with 1500-1800 rev/min at 110-120 ℃ stirs 3-5min, and it is stand-by that material is cooled to normal temperature;
(4) material of cooling mistake is added in twin screw mixing forcing machine and processed, then the material of extruding is dropped into granulator granulation, obtain acoustic panel material.
The performance test results of acoustic panel material of the present invention is: sound absorption coefficient 0.68-0.89.
Claims (2)
1. add a composite sound-absorbing panel material for Calucium Silicate powder, by the raw material of following weight part, made: river shell powder 100-120, diatomite 55-60, Calucium Silicate powder 35-40, morning glory rattan 20-30, magnesium hydroxide 10-15, methyl acrylate 45-50, polyethylene terephthalate 20-30, nylon 6 10-15, polystyrene foamed 15-17, phosphoric acid aliphatic alcohol ester 5-7, linking agent TAC 1-2, butyl stearate 1-2, auxiliary agent 2-3;
Described auxiliary agent is made by the raw material of following weight part: flax complete stool 8-10, Exocarpium cocois (Cocos nucifera L) 10-12, chestnut shell 5-7; Preparation method is cut into the segment of 2-3 centimetre by flax complete stool to mix with Exocarpium cocois (Cocos nucifera L), chestnut shell, with ball mill, wears into 250-300 order powder; Then add 1%-2% phosphoric acid solution, stir, soak 30-40 minute; Add again in 1%-2% sodium carbonate solution, stir 20-30 minute, then filter and take out; With deionized water, repeatedly clean 3-4 time, after oven dry, be ground into again fine powder and get final product.
2. a kind of composite sound-absorbing panel material that adds Calucium Silicate powder as claimed in claim 1, is characterized in that, by following methods, is made:
(1) morning glory rattan is sent in charring furnace, at 530-620 ℃, 3-4 hour is processed in charing, takes out, and is ground into powder;
(2) step (1) material is joined in stirring mixer, then add river shell powder, diatomite, Calucium Silicate powder, magnesium hydroxide, auxiliary agent high-speed mixing to stir within 3-4 minute, to obtain mixed powder;
(3) polyethylene terephthalate, nylon 6, polystyrene foamed, phosphoric acid aliphatic alcohol ester, linking agent TAC, butyl stearate are mixed, heating while stirring, just mixed 3-4 minute, then enter and in high-speed mixer, add step (2) mixed powder and all the other remaining components, speed with 1500-1800 rev/min at 110-120 ℃ stirs 3-5min, and it is stand-by that material is cooled to normal temperature;
(4) material of cooling mistake is added in twin screw mixing forcing machine and processed, then the material of extruding is dropped into granulator granulation, obtain acoustic panel material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410157573.5A CN103937176B (en) | 2014-04-18 | 2014-04-18 | A kind of composite sound-absorbing panel material adding Calucium Silicate powder and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410157573.5A CN103937176B (en) | 2014-04-18 | 2014-04-18 | A kind of composite sound-absorbing panel material adding Calucium Silicate powder and preparation method thereof |
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| CN103937176A true CN103937176A (en) | 2014-07-23 |
| CN103937176B CN103937176B (en) | 2016-01-20 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09157061A (en) * | 1995-09-27 | 1997-06-17 | Sanyo Chem Ind Ltd | Inorganic-organic composite expanded body and its production |
| US20070190876A1 (en) * | 2004-02-26 | 2007-08-16 | Nagoya Oilchemical Co., Ltd. | Fire-resistant fiber sheet, moldings thereof, and flame-retardant acoustical absorbents for automobiles |
| CN102964756A (en) * | 2012-11-22 | 2013-03-13 | 芜湖跃飞新型吸音材料股份有限公司 | Nano kieselguhr modified composite sound absorbing material and preparation method thereof |
| CN102977430A (en) * | 2012-11-22 | 2013-03-20 | 芜湖跃飞新型吸音材料股份有限公司 | Nano wollastonite powder modified composite sound absorbing material and preparation method thereof |
-
2014
- 2014-04-18 CN CN201410157573.5A patent/CN103937176B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09157061A (en) * | 1995-09-27 | 1997-06-17 | Sanyo Chem Ind Ltd | Inorganic-organic composite expanded body and its production |
| US20070190876A1 (en) * | 2004-02-26 | 2007-08-16 | Nagoya Oilchemical Co., Ltd. | Fire-resistant fiber sheet, moldings thereof, and flame-retardant acoustical absorbents for automobiles |
| CN102964756A (en) * | 2012-11-22 | 2013-03-13 | 芜湖跃飞新型吸音材料股份有限公司 | Nano kieselguhr modified composite sound absorbing material and preparation method thereof |
| CN102977430A (en) * | 2012-11-22 | 2013-03-20 | 芜湖跃飞新型吸音材料股份有限公司 | Nano wollastonite powder modified composite sound absorbing material and preparation method thereof |
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| CN103937176B (en) | 2016-01-20 |
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Effective date of registration: 20190605 Address after: 242000 Gao Yang village, Huayang Town, Jixi County, Xuancheng, Anhui (National Grain Reserve Bank) Patentee after: Jixi Yuan Dao agricultural industry Science and Technology Ltd. Address before: 241000 Anhui Yijiang Wuhu high tech Development Zone Service Outsourcing Industrial Park B7-1 Patentee before: Wuhu Kaiaoer Environmental Science and Technology Co., Ltd. |
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