CN102702690A - Flame-retardant sound-absorbing material and preparation method thereof - Google Patents
Flame-retardant sound-absorbing material and preparation method thereof Download PDFInfo
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- CN102702690A CN102702690A CN2012101721747A CN201210172174A CN102702690A CN 102702690 A CN102702690 A CN 102702690A CN 2012101721747 A CN2012101721747 A CN 2012101721747A CN 201210172174 A CN201210172174 A CN 201210172174A CN 102702690 A CN102702690 A CN 102702690A
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Abstract
The invention discloses a flame-retardant sound-absorbing material and a preparation method thereof. The flame-retardant sound-absorbing material comprises one or more of polyester, polyurethane, polystyrene, polyethylene, polypropylene and polyvinyl chloride; the flame-retardant sound-absorbing material has a molecular/near-molecular system with good permeability and uses multi-element multi-component materials, each of which contains at least one of silicon, nitrogen, phosphorus, potassium and boron. The preparation method of the flame-retardant sound-absorbing material adopts a process of adsorption and volatile removal; during application, the molecular/near-molecular system with good permeability is permeated into a structural clearance of a sound-absorbing material fiber by immersing, spraying and brushing to adsorb, wrap and protect the sound-absorbing material fiber in a microscopic space, so as to effectively isolate the sound-absorbing material in a flame environment from an oxygen source and flame, avoid or relieve passive combustion of the sound-absorbing material, and avoid or inhibit flue gas release due to combustion of the sound-absorbing material.
Description
Technical field
The present invention relates to fire-retardant sound absorbent material and preparation method thereof; Particularly relate at least two kinds of raw material synthetic fire retardants such as a kind of employing nitrogen, phosphorus, silicon, boron, potassium and handle organic sound absorbent material, make organic sound absorbent material obtain fire-retardant sound absorbent material of fire resistance, smoke suppressing and preparation method thereof.
Background technology
At present, organic sound absorbent material has application market widely.Yet because the combustibility of organic materials, organic sound absorbent material had both become disaster hidden-trouble.In order to improve the fire savety of organic sound absorbent material, some organic sound absorbent material products have combined ammonium polyphosphate flame retardant, and (Ammonium Polyphosphate is designated hereinafter simply as APP) makes oxygen index bring up to 26%.The SGS of internal authority feeler mechanism assert that the limiting oxygen index(LOI) of trevira is to be fire-retardant polyester fibre more than or equal to 28%.The oxygen index requirement that do not reach capacity basically of application product in the market.Polyurethane foam is a kind of important synthetic material, and itself oxygen index is merely 14-16%, thus very easily fire burns.The ultra report of the Du Wei of Beijing University of Chemical Technology, experiment is carried out the flame-retardant modified sound isolating and flame-retardant polyurethane foam that prepared through in polyurethane foam, adding different mass fractional trimeric cyanamide.The foamy flame retardant properties reaches best values, and oxygen index is 27%.But so fire-retardant improvement far can not be satisfied the fire safety requirement to effective fire prevention, anti-cigarette.
Summary of the invention
The present invention is for solving the defective of prior art; And the fire retardant of the molecule that a kind of utilization has good seepage force and adsorptivity/nearly molecular level proposed; Fire retardant is introduced the interfibrous space of sound absorbent material at molecule ~ nearly molecular level; Play organic sound absorbent material fiber and oxygen, the isolated effect of flame, thereby eliminate fire-retardant sound absorbent material of organic sound absorbent material incendiary and preparation method thereof.
Solve the problem of prior art; The technical scheme of taking is: fire-retardant sound absorbent material; Comprise acoustic panel or acoustical cotton and have the fire-proof flame-retarded agent of the molecule of good seepage force and adsorptive power/nearly molecular level, acoustic panel that is adopted or acoustical cotton comprise one or more materials in polyester, urethane, PS, Vilaterm, Vestolen PP 7052 and the adjudicate two cases together ethene material; The molecule with good seepage force that fire retardant material adopts/nearly molecular system adopts multielement, multi-component feedstock, and every kind of raw material contains at least a in silicon, nitrogen, phosphorus, potassium and the boron.
The silicon-containing material bag that adopts expands silicon-dioxide, eight [tetramethyl-ammonium] Q
8, water glass.
The nitrogen-containing material that adopts comprises nitric acid; Saltpetre; SODIUMNITRATE; Nitrous acid; Sodium Nitrite; Propyl group amine; Butylamine; Nitrilotriacetic acid; Isopropylamine; Amylamine; YD 30; Disodium EDTA; Dimethyl amine; DIETHANOL AMINE; Dipropylamine; Dibutylamine; Diisopropylamine; Diamyl amine; Quadrol; Tn; Tetramethylenediamine; Pentamethylene diamine; Hexanediamine; Aniline; Trap; Hydrazine hydrate N2H4 H2O-100; Ammoniom-Acetate; Oxamide; Thanomin; Cholamine; Trimethylamine; Triethylamine; Tripropylamine; TBuA; Triisopropylamine; Three amylamines; Trolamine; Ammonia; Ammoniacal liquor; Ammonium hydrogen phosphate; Ammonium sulfate; Monoammonium sulfate; Ammonium chloride; Brometo de amonio; TMAH; Tetraethyl ammonium hydroxide; TPAOH; TBAH; Tetramethyl ammonium chloride; Etamon chloride; 4-propyl ammonium chloride and tetrabutylammonium chloride.
The phosphorous raw material that adopts comprises that phosphoric acid is received, sodium hydrogen phosphate, SODIUM PHOSPHATE, MONOBASIC, ammonium phosphate, ammonium hydrogen phosphate, primary ammonium phosphate, phosphoric acid, calcium phosphate, potassiumphosphate, ammonium polyphosphate, potassium polyphosphate and sodium polyphosphate.
The potassium raw material that contains that adopts comprises Repone K, potassium stearate, Potassium ethanoate and Tripotassium Citrate.
Adopt boracic raw material borax, hydrated magnesium borate, calcium metaborate, sodium metaborate, boric acid, zinc borate, borophosphoric acid, boron trioxide and fluoroboric acid.
The preparation method of fire-retardant sound absorbent material: the preparation process adopts absorption, go fugitive constituent technology, adsorption process to comprise a kind of in spray, brushing and the immersion process or several; Go the fugitive constituent process to comprise that normal temperature and pressure volatilization, the volatilization of normal temperature negative pressure, intensification normal pressure air draft volatilization, intensification normal pressure do not have a kind of in air draft volatilization and the intensification negative pressure volatilization process or several.The mixed preparing process of raw material: contain of the ratio preparation of many components raw material of silicon, nitrogen, phosphorus, potassium, boron, under agitation condition, obtain thorough mixing with liquid media and be prepared into liquid with 0 ~ 3:0 ~ 17:0 ~ 42:0 ~ 16:0 ~ 12.Material dispersed homogenize process: aforesaid liquid was mixed 1 ~ 24 hour 30 ℃ ~ 120 ℃ of temperature, pressure 1 ~ 3.5 ATM.After reaction finishes, with reaction mixture cool off, solid-liquid separation, remove solids, its liquid is product.
The invention has the beneficial effects as follows, adopt the many components raw material that contains silicon, nitrogen, phosphorus, potassium, boron, in liquid mediums, be prepared into fire retardant with good seepage force through mixing process.The fire retardant that obtains like this has the superior infiltration function that gos deep into that penetrates microscopic voids between fiber, prepares the superior fire-retardant organic attractive material of fire resistance.The making method of the fire-retardant sound absorbent material of the present invention is easy, and is with short production cycle, no harmful side product.
Below in conjunction with embodiment the present invention is further specified.
Embodiment
Acoustic panel that is adopted or acoustical cotton comprise: one or more materials in the materials such as polyester, urethane, PS, Vilaterm, Vestolen PP 7052, adjudicate two cases together ethene; The molecule with good seepage force that is adopted/nearly molecular system adopts multielement, multi-component feedstock, and every kind of raw material contains at least a in silicon, nitrogen, phosphorus, potassium, the boron, in liquid mediums through the mixing process preparation.
The preparation method of fire-retardant sound absorbent material; Raw material comprises acoustic panel or acoustical cotton, has the molecule of good seepage force and adsorptive power/fire-proof flame-retarded agent of nearly molecular level; The preparation process adopts absorption, goes the fugitive constituent technological process; Molecule/nearly molecular system with good seepage force is to be penetrated in the sound absorbent material fibrous texture space through immersion, spray, brushing means when using, and is implemented in micro-space the sound absorbent material fiber is adsorbed the coating protection, and sound absorbent material can effectively be isolated with oxygen source and flame in flame environment; Avoid or alleviate the passive burning of sound absorbent material, avoid or suppress the sound absorbent material burning discharging flue gas.
The preparation method of fire-retardant sound absorbent material; Raw material comprises acoustic panel or acoustical cotton, has the molecule of good seepage force and adsorptive power/fire-proof flame-retarded agent of nearly molecular level; The preparation process adopts absorption, goes the fugitive constituent technological process, it is characterized in that: adsorption process comprises a kind of in spray, brushing, the immersion process or several; Go the fugitive constituent process to comprise that normal temperature and pressure volatilization, the volatilization of normal temperature negative pressure, intensification normal pressure air draft volatilization, intensification normal pressure do not have a kind of in air draft volatilization, the intensification negative pressure volatilization process or several.Obtain fire prevention, fire-retardant sound absorbent material.Fire prevention, the fire-retardant sound absorbent material that obtains like this has superior flame resistant performance and suppresses the anti-smoke performance that flue gas forms, and can significantly improve the safety performance of sound absorbent material.
Employing contains many components raw material of silicon, nitrogen, phosphorus, potassium, boron, in liquid mediums, is prepared into the fire retardant with good seepage force through mixing process.The fire retardant that obtains like this has the superior infiltration function that gos deep into that penetrates microscopic voids between fiber, prepares the superior fire-retardant organic attractive material of fire resistance.
Preparing method with fire retardant of good seepage force provided by the present invention relates to and adopts two or more raw materials, and every kind of raw material contains at least a element in silicon, nitrogen, phosphorus, potassium, the boron.The preparation process is carried out in liquid media.
The preparation process that the present invention adopts comprises the steps:
The mixed preparing process of raw material:
Contain of the ratio preparation of many components raw material of silicon, nitrogen, phosphorus, potassium, boron, under agitation condition, obtain thorough mixing with liquid media and be prepared into liquid with 0 ~ 3:0 ~ 17:0 ~ 42:0 ~ 16:0 ~ 12.
Material dispersed homogenize process:
Aforesaid liquid was mixed 1 ~ 24 hour 30 ℃ ~ 120 ℃ of temperature, pressure 1 ~ 3.5 ATM.
Reaction finishes:
With reaction mixture cool off, solid-liquid separation, remove solids, liquid is product; Solid reclaims to collect has it to use in addition.
Fire retardant with good seepage force provided by the present invention method should be arranged, relate to through immersion, spray, brushing means fire retardant be penetrated in the sound absorbent material fibrous texture space, realize fire-retardantly, oxygen index can be up to 65%.Immersion process is accomplished under normal pressure or reduced pressure.
Embodiment
Embodiment 1:
Get two mouthfuls of round bottom containers of one 5000 milliliters, container is furnished with mechanical stirrer, electric mantle, water condensing tube.Add 2500 ml waters and 0.3 gram Q8TMA8 (eight [tetramethyl-ammonium] Q
8).Under condition of stirring, be heated to 60 ℃, kept 0.5 hour.Add 600 gram ammonium polyphosphates and 35 gram boraxs then, mix.Continue reflux 3 hours, and stopped heating, leave standstill room temperature.Take out filtration, retaining liquid.
The polyester acoustic panel of getting a 20cm * 20cm * 20cm is immersed in the liquid product of above-mentioned acquisition, under 20 ℃, 760mmHg condition, soaks 6 hours, takes out acoustic panel, horizontal positioned 5 minutes, horizontal positioned 10 minutes.Every be inverted once at a distance from half a hour, till no dropping outflow, constant weight under 50 ℃, condition of normal pressure promptly obtains fire-retardant acoustic panel.
Embodiment 2:
Get one 5000 milliliters twoport round bottom container, container is furnished with mechanical stirrer, electric mantle, water condensing tube, adds 2500 ml waters and 0.3 gram, 8000 order superfine boron phosphate powders.Under condition of stirring, be heated to 60 ℃, keep hour 0.5 hour.Add 223 gram hydrazine hydrate N2H4 H2O-100s, 150 gram boric acid then, mix.Continue reflux 3 hours, and stopped heating.Leave standstill room temperature, take out filtration, retaining liquid.
The polyester acoustic panel of getting a 20cm * 20cm * 20cm is immersed in the liquid product of above-mentioned acquisition, under 45 ℃, 760mmHg condition, soaks 6 hours, takes out acoustic panel, horizontal positioned 5 minutes, horizontal positioned 10 minutes.Every be inverted once at a distance from half a hour, till no dropping outflow, constant weight under 50 ℃, condition of normal pressure promptly obtains fire-retardant acoustic panel.
Claims (10)
1. fire-retardant sound absorbent material; It is characterized in that: described fire-retardant sound absorbent material comprises acoustic panel or acoustical cotton and has the fire-proof flame-retarded agent of the molecule of good seepage force and adsorptive power/nearly molecular level that acoustic panel that is adopted or acoustical cotton comprise one or more materials in polyester, urethane, PS, Vilaterm, Vestolen PP 7052 and the SE material; Fire retardant material adopts the molecule/nearly molecular system with good seepage force to adopt multielement, multi-component feedstock, and every kind of raw material contains at least a in silicon, nitrogen, phosphorus, potassium and the boron.
2. fire-retardant sound absorbent material according to claim 1 is characterized in that: the silicon-containing material of employing comprises silicon-dioxide, eight [tetramethyl-ammonium] Q
8, water glass.
3. fire-retardant sound absorbent material according to claim 1 is characterized in that: the nitrogen-containing material of employing comprises nitrilotriacetic acid, isopropylamine, YD 30, disodium EDTA, quadrol, tn, tetramethylenediamine, pentamethylene diamine, hexanediamine, aniline, trap, hydrazine hydrate N2H4 H2O-100, urea, thanomin, cholamine, trolamine, ammonia, ammoniacal liquor, ammonium hydrogen phosphate, ammonium sulfate, monoammonium sulfate, TMAH, tetraethyl ammonium hydroxide, TPAOH, TBAH, tetramethyl ammonium chloride, etamon chloride, 4-propyl ammonium chloride and tetrabutylammonium chloride.
4. fire-retardant sound absorbent material according to claim 1 is characterized in that: the phosphorous raw material of employing comprises that phosphoric acid is received, sodium hydrogen phosphate, SODIUM PHOSPHATE, MONOBASIC, ammonium phosphate, ammonium hydrogen phosphate, primary ammonium phosphate, phosphoric acid, potassiumphosphate, ammonium polyphosphate, potassium polyphosphate and sodium polyphosphate.
5. fire-retardant sound absorbent material according to claim 1 is characterized in that: the potassium raw material that contains of employing comprises potassium stearate, Potassium ethanoate and Tripotassium Citrate.
6. fire-retardant sound absorbent material according to claim 1 is characterized in that: adopt boracic raw material borax, hydrated magnesium borate, calcium metaborate, sodium metaborate, boric acid, zinc borate, borophosphoric acid, boron trioxide and fluoroboric acid.
7. the preparation method of the described fire-retardant sound absorbent material of each tool claim 1 is characterized in that: the preparation process adopts absorption, go fugitive constituent technology, adsorption process to comprise a kind of in spray, brushing and the immersion process or several; Go the fugitive constituent process to comprise that normal temperature and pressure volatilization, the volatilization of normal temperature negative pressure, intensification normal pressure air draft volatilization, intensification normal pressure do not have a kind of in air draft volatilization and the intensification negative pressure volatilization process or several.
8. the preparation method of fire-retardant sound absorbent material according to claim 7; It is characterized in that: the mixed preparing process of raw material: contain of the ratio preparation of many components raw material of silicon, nitrogen, phosphorus, potassium, boron, under agitation condition, obtain thorough mixing with liquid media and be prepared into liquid with 0 ~ 3:0 ~ 17:0 ~ 42:0 ~ 16:0 ~ 12.
9. the preparation method of fire-retardant sound absorbent material according to claim 7 is characterized in that: material dispersed homogenize process: aforesaid liquid was mixed 1 ~ 24 hour 30 ℃ ~ 120 ℃ of temperature, pressure 1 ~ 3.5 ATM.
10. the preparation method of fire-retardant sound absorbent material according to claim 7 is characterized in that: after reaction finishes, with reaction mixture cool off, solid-liquid separation, remove solids, its liquid is product.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104562448A (en) * | 2015-01-05 | 2015-04-29 | 芜湖环瑞汽车内饰件有限公司 | Multi-walled carbon nanotube-polyurethane composite emulsion wrapped polypropylene nonwoven acoustic absorbing material for inner decoration of automobile |
| CN104562700A (en) * | 2015-01-05 | 2015-04-29 | 芜湖环瑞汽车内饰件有限公司 | Zirconia-polyurethane composite emulsion coated polypropylene nonwoven sound-absorbing material for automotive trim |
| CN104893257A (en) * | 2015-06-10 | 2015-09-09 | 周彩球 | High-temperature silencing drainage pipe |
| CN105484861A (en) * | 2015-12-03 | 2016-04-13 | 赵立增 | Environment-friendly diesel generating set |
| CN105545469A (en) * | 2015-12-03 | 2016-05-04 | 赵立增 | Generator unit which is rapid for starting and stable for output |
| CN105623680A (en) * | 2014-10-27 | 2016-06-01 | 武汉凌科达科技有限公司 | Flame retardant composition |
| CN105623679A (en) * | 2014-10-27 | 2016-06-01 | 武汉凌科达科技有限公司 | Preparation method of flame retardant composition |
| CN114591038A (en) * | 2022-04-19 | 2022-06-07 | 宁波新广亿建材有限公司 | Cement powder and preparation method thereof |
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| CN102285160A (en) * | 2011-06-20 | 2011-12-21 | 苏州丰弛声学材料有限公司 | Sound-absorbing and noise-reducing material and manufacturing method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105623680A (en) * | 2014-10-27 | 2016-06-01 | 武汉凌科达科技有限公司 | Flame retardant composition |
| CN105623679A (en) * | 2014-10-27 | 2016-06-01 | 武汉凌科达科技有限公司 | Preparation method of flame retardant composition |
| CN104562448A (en) * | 2015-01-05 | 2015-04-29 | 芜湖环瑞汽车内饰件有限公司 | Multi-walled carbon nanotube-polyurethane composite emulsion wrapped polypropylene nonwoven acoustic absorbing material for inner decoration of automobile |
| CN104562700A (en) * | 2015-01-05 | 2015-04-29 | 芜湖环瑞汽车内饰件有限公司 | Zirconia-polyurethane composite emulsion coated polypropylene nonwoven sound-absorbing material for automotive trim |
| CN104562448B (en) * | 2015-01-05 | 2017-07-07 | 芜湖环瑞汽车内饰件有限公司 | A kind of automotive trim coats the non-woven sound-absorbing material of polypropylene-base with multi-walled carbon nano-tubes polyurethane complex emulsions |
| CN104893257A (en) * | 2015-06-10 | 2015-09-09 | 周彩球 | High-temperature silencing drainage pipe |
| CN105484861A (en) * | 2015-12-03 | 2016-04-13 | 赵立增 | Environment-friendly diesel generating set |
| CN105545469A (en) * | 2015-12-03 | 2016-05-04 | 赵立增 | Generator unit which is rapid for starting and stable for output |
| CN105484861B (en) * | 2015-12-03 | 2018-01-23 | 赵立增 | A kind of environment-friendly type diesel generating set |
| CN114591038A (en) * | 2022-04-19 | 2022-06-07 | 宁波新广亿建材有限公司 | Cement powder and preparation method thereof |
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Application publication date: 20121003 |