CN101343391B - Macromolecule based metal powder flame-proof sound insulation felt - Google Patents
Macromolecule based metal powder flame-proof sound insulation felt Download PDFInfo
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- CN101343391B CN101343391B CN2008100709313A CN200810070931A CN101343391B CN 101343391 B CN101343391 B CN 101343391B CN 2008100709313 A CN2008100709313 A CN 2008100709313A CN 200810070931 A CN200810070931 A CN 200810070931A CN 101343391 B CN101343391 B CN 101343391B
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Abstract
The invention aims to provide a high molecular flame-resistant soundproof felt based on metal powder with good performance, non foreign taste and wide application range. The raw material adopts medical level iron powder with 200 mesh of fineness degree as soundproof material, high molecular and pure EVA as a soundproof material carrier, and silane coupling agent, antioxidant (BHT), lubricant (polyethylene vinegar), flame retardant and padding calcium carbonate as addition agent; the compounding ratio of the raw material (according to the weight ratio) is as follows: iron powder which occupies47.0 percent to 60.0 percent, EVA which occupies 33.2 percent to 39.2 percent, the silane coupling agent which occupies 0.1 percent to 0.2 percent, BHT which occupies 0.1 percent to 0.2 percent, the polyethylene vinegar which occupies 0.6 percent to 1.0 percent, flame retardant (BHT) which occupies 1.0 percent to 2.4 percent, and the calcium carbonate which occupies 5 percent to 10 percent. Through the experiment, the soundproof felt has the advantages of good soundproof performance (the soundproofing index Ia reaches 22 dB to 26 dB), good flame-resistance and uneasy cracking, and the soundproof felt can be widely applied in the fields of the building and the vehicle decorations, and the like.
Description
Technical field
The present invention relates to a kind of flame-proof sound insulation material, particularly a kind of macromolecule based metal powder flame-proof sound insulation felt.
Background technology
At present, known organism metal-powder sound insulation fire retardant material on the market, the organism of employing is a pitch, and it is this that not only peculiar smell is dense with the soundproof material of pitch as the sound insulation material carrier, and physicals is poor, and complex manufacturing.
Summary of the invention
The purpose of this invention is to provide that a kind of performance is good, free from extraneous odour, macromolecule based metal powder flame-proof sound insulation felt that use range is wide.
The technical solution adopted for the present invention to solve the technical problems is: the macromolecule based metal powder flame-proof sound insulation felt products material selects fineness 200 purpose medical grade iron powders as the sound insulation material, the pure EVA of polymer is as the flame-proof sound insulation material carrier, and silane coupling agent, oxidation inhibitor (BHT), lubricant (polyethylene vinegar), fire retardant, filler additives such as (lime carbonate).
The macromolecule based metal powder flame-proof sound insulation felt technological process of production is:
1, is equipped with raw material (by weight): iron powder 47.0-60.0%, EVA33.2-39.2%, silane coupling agent 0.1-0.2%, BHT0.1-0.2%, polyethylene vinegar 0.6-1.0%, fire retardant BHT1.0-2.4%, lime carbonate 5-10%.
2, remove the oxide compound and the greasy dirt on iron powder surface: EVA is put into homogenizer warming while stirring to 50 ℃, put into iron powder again and stirred 1-2 minute.
3, mix: will be equipped with all the other raw materials of getting well and put into homogenizer and EVA and iron powder and mixed 2 minutes.
4, banburying: mixed raw materials is put into Banbury mixer, under 130-150 ℃ of temperature, make the EVA plasticizing, other raw material and EVA plasticizing carrier are combined closely.
5, granulation: the raw material that banburying is good is put into twin screw extruder and is extruded into particulate state.
6, calendering formation: the macromolecule based metal powder flame-proof sound insulation felt finished product that feed particles is rolled into specified dimension by the plastics sheet rolling press.
The present invention shows through test, have sound insulation property good (sound reduction index Ia reaches 22-26dB), fire-retardant, not advantage such as easy fracture, can be widely used in fields such as construction and decoration, vehicle decorative.
Embodiment
A kind of manufacturing embodiment of macromolecule based metal powder flame-proof sound insulation felt of the present invention is:
1, is equipped with raw material (by weight): iron powder 50%, EVA37%, silane coupling agent 0.1%, BHT0.1%, polyethylene vinegar 0.8%, fire retardant 2%, lime carbonate 10%.
2, remove the oxide compound and the greasy dirt on iron powder surface: EVA is put into homogenizer warming while stirring to 50 ℃, put into iron powder again and stirred 2 minutes.
3, mix: will be equipped with all the other raw materials of getting well and put into homogenizer and EVA and iron powder and mixed 2 minutes.
4, banburying: mixed raw materials is put into Banbury mixer, under 140 ℃ of temperature, make the EVA plasticizing, other raw material and EVA plasticizing carrier are combined closely.
5, granulation: the raw material that banburying is good is put into twin screw extruder and is extruded into particulate state.
6, calendering formation: the macromolecule based metal powder flame-proof sound insulation felt finished product that feed particles is rolled into specified dimension by the plastics sheet rolling press.
Claims (1)
1. macromolecule based metal powder flame-proof sound insulation felt, it is characterized in that raw material is: fineness 200 purpose medical grade iron powders are as the sound insulation material, the pure EVA of polymer is as the sound insulation material carrier, and silane coupling agent, antioxidant BHT, lubricant polyethylene wax, fire retardant, filler-calcium carbonate are as additive; Proportioning raw materials is (by weight): iron powder 50%, EVA37%, silane coupling agent 0.1%, BHT0.1%, polyethylene wax 0.8%, fire retardant 2%, lime carbonate 10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100709313A CN101343391B (en) | 2008-04-21 | 2008-04-21 | Macromolecule based metal powder flame-proof sound insulation felt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100709313A CN101343391B (en) | 2008-04-21 | 2008-04-21 | Macromolecule based metal powder flame-proof sound insulation felt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101343391A CN101343391A (en) | 2009-01-14 |
| CN101343391B true CN101343391B (en) | 2011-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100709313A Expired - Fee Related CN101343391B (en) | 2008-04-21 | 2008-04-21 | Macromolecule based metal powder flame-proof sound insulation felt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101343391B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105440414B (en) * | 2015-12-29 | 2018-07-13 | 昆明钢铁控股有限公司 | A kind of composite sound isolating material and preparation method thereof |
| CN105755893A (en) * | 2016-02-27 | 2016-07-13 | 柳州市够旺贸易有限公司 | Sound insulation wallpaper |
| CN105713306B (en) * | 2016-04-20 | 2018-02-09 | 林菡 | A kind of composite damping deadening felt and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1362445A (en) * | 2001-11-22 | 2002-08-07 | 叶海宁 | Prepn of sound-isolaitng damping composite polymer-base metal powder material |
| CN1421845A (en) * | 2002-12-26 | 2003-06-04 | 上海交通大学 | Sound-isolating noise reduction material |
| CN1654537A (en) * | 2005-02-07 | 2005-08-17 | 福建天盛恒达声学材料科技有限公司 | Flame-retardant sound-insulating felt |
-
2008
- 2008-04-21 CN CN2008100709313A patent/CN101343391B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1362445A (en) * | 2001-11-22 | 2002-08-07 | 叶海宁 | Prepn of sound-isolaitng damping composite polymer-base metal powder material |
| CN1421845A (en) * | 2002-12-26 | 2003-06-04 | 上海交通大学 | Sound-isolating noise reduction material |
| CN1654537A (en) * | 2005-02-07 | 2005-08-17 | 福建天盛恒达声学材料科技有限公司 | Flame-retardant sound-insulating felt |
Non-Patent Citations (2)
| Title |
|---|
| JP昭56-59857A 1981.05.23 |
| JP昭61-222972A 1986.10.03 |
Also Published As
| Publication number | Publication date |
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| CN101343391A (en) | 2009-01-14 |
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Granted publication date: 20110316 |