CN103182810B - A kind of enging cabin composite stratotype sound-heat insulated cushion - Google Patents
A kind of enging cabin composite stratotype sound-heat insulated cushion Download PDFInfo
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- CN103182810B CN103182810B CN201110449303.8A CN201110449303A CN103182810B CN 103182810 B CN103182810 B CN 103182810B CN 201110449303 A CN201110449303 A CN 201110449303A CN 103182810 B CN103182810 B CN 103182810B
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- flame retardant
- heat insulated
- retardant polyurethane
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Abstract
The present invention relates to a kind of enging cabin composite stratotype sound-heat insulated cushion, be located in automobile engine, is three-decker, and upper surface layer and undersurface layer are density 100g/cm
2non-woven fabrics, intermediate layer is density 13 ~ 18kg/m
3flame retardant polyurethane layer, non-woven fabrics is connected on flame retardant polyurethane layer through hot pressing, upper surface layer is also arranged the aluminium foil reflecting layer that a layer thickness is 0.1mm.Compared with prior art, the present invention can play absorption, attenuation to high frequency and low frequency noise, thus plays the effect strengthening overall sound insulation, noise reduction, and pts wt reduces by 70% compared with existing structure.
Description
Technical field
The present invention relates to a kind of auto sound-insulating and thermal-insulating pad, especially relate to a kind of enging cabin composite stratotype sound-heat insulated cushion.
Background technology
In the enging cabin of current automobile industry, front panel mainly comprises two kinds of structures: (1) overwhelming majority adopts resin-oatmeal to add glass fiber material and makes part.Because the engine in enging cabin operationally can produce larger noise and very high temperature, adopt above-mentioned material pts wt large, sound-insulating and heat-insulating effect is general, and glass is very large to the pollution of environment.(2) composite construction of resin-oatmeal+cotton fiber: Heavy Weight, cost is high, complex process.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and provide a kind of destruction to environment little, lightweight enging cabin composite stratotype sound-heat insulated cushion.
Object of the present invention can be achieved through the following technical solutions:
A kind of enging cabin composite stratotype sound-heat insulated cushion, be located in automobile engine, this sound-heat insulated cushion is three-decker, and upper surface layer and undersurface layer are density 100g/cm
2non-woven fabrics, intermediate layer is density 13 ~ 18kg/m
3flame retardant polyurethane layer, non-woven fabrics is connected on flame retardant polyurethane layer through hot pressing, described upper surface layer is also arranged the aluminium foil reflecting layer that a layer thickness is 0.1mm.
Described flame retardant polyurethane layer by isocyanates, graphite powder, polyethers mixture through foaming, slaking and section obtain.
The weight ratio of described isocyanates, graphite powder, polyethers is 1: (1 ~ 2): (8 ~ 12).
The temperature of slaking is 25 ~ 30 DEG C, and the time of slaking is 30 ~ 40min.
The thickness of described flame retardant polyurethane layer is 15 ~ 30mm.
The temperature of hot pressing is 150 ~ 170 DEG C, and pressure is 150 ~ 200bar compression process time is 120 ~ 500s.
Compared with prior art, the sound insulating pad that the present invention obtains forms primarily of the flame retardant polyurethane expanded material that a kind of density is very low, do not adopt any glass and resin material, little to the destruction of environment, lightweight, weight can reduce 70%, can play absorption, attenuation to high frequency and low frequency noise, thus the effect strengthening overall sound insulation, noise reduction can also be played, good sound insulation and effect of heat insulation are provided.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
Newly amp---the foam-formed sound insulating pad D of light flame-retardant (15) V (13) series, be located in automobile engine, this sound-heat insulated cushion is three-decker, and upper surface layer and undersurface layer are density 100g/cm
2non-woven fabrics, intermediate layer is density 13kg/m
3flame retardant polyurethane layer, non-woven fabrics is connected on flame retardant polyurethane layer through hot pressing, and the temperature of hot pressing is 150 DEG C, and pressure is the 200bar compression process time is 500s.In addition, upper surface layer also arranges the aluminium foil reflecting layer that a layer thickness is 0.1mm.
Wherein, flame retardant polyurethane layer by isocyanates, graphite powder, polyethers be by weight 1: 1: 8 mixing after through foaming, slaking and section obtain, the temperature of slaking is 25 DEG C, and the time of slaking is 40min.The thickness of flame retardant polyurethane layer is 15mm.
Embodiment 2
Newly amp---the foam-formed sound insulating pad D of light flame-retardant (15) V (15) series, be located in automobile engine, this sound-heat insulated cushion is three-decker, and upper surface layer and undersurface layer are density 100g/cm
2non-woven fabrics, intermediate layer is density 15kg/m
3flame retardant polyurethane layer, non-woven fabrics is connected on flame retardant polyurethane layer through hot pressing, and the temperature of hot pressing is 160 DEG C, and pressure is the 180bar compression process time is 200s.In addition, upper surface layer also arranges the aluminium foil reflecting layer that a layer thickness is 0.1mm.
Wherein, flame retardant polyurethane layer by isocyanates, graphite powder, polyethers be by weight 1: 1.2: 9 mixing after through foaming, slaking and section obtain, the temperature of slaking is 28 DEG C, and the time of slaking is 35min.The thickness of flame retardant polyurethane layer is 20mm.
Embodiment 3
Newly amp---the foam-formed sound insulating pad D of light flame-retardant (15) V (18) series, be located in automobile engine, this sound-heat insulated cushion is three-decker, and upper surface layer and undersurface layer are density 100g/cm
2non-woven fabrics, intermediate layer is density 18kg/m
3flame retardant polyurethane layer, non-woven fabrics is connected on flame retardant polyurethane layer through hot pressing, and the temperature of hot pressing is 170 DEG C, and pressure is the 150bar compression process time is 120s.In addition, upper surface layer also arranges the aluminium foil reflecting layer that a layer thickness is 0.1mm.
Wherein, flame retardant polyurethane layer by isocyanates, graphite powder, polyethers be by weight 1: 2: 12 mixing after through foaming, slaking and section obtain, the temperature of slaking is 30 DEG C, and the time of slaking is 30min.The thickness of flame retardant polyurethane layer is 15mm.
Claims (4)
1. an enging cabin composite stratotype sound-heat insulated cushion, is located in automobile engine nacelle, it is characterized in that, this sound-heat insulated cushion is three-decker, and upper surface layer and undersurface layer are density 100g/m
2non-woven fabrics, intermediate layer is density 13 ~ 18kg/m
3flame retardant polyurethane layer, non-woven fabrics is connected on flame retardant polyurethane layer through hot pressing, described upper surface layer is also arranged the aluminium foil reflecting layer that a layer thickness is 0.1mm;
Described flame retardant polyurethane layer by isocyanates, graphite powder, polyethers mixture through foaming, slaking and section obtain, the weight ratio of described isocyanates, graphite powder, polyethers is 1 ︰ (1 ~ 2) ︰ (8 ~ 12).
2. a kind of enging cabin composite stratotype sound-heat insulated cushion according to claim 1, is characterized in that, the temperature of slaking is 25 ~ 30 DEG C, and the time of slaking is 30 ~ 40min.
3. a kind of enging cabin composite stratotype sound-heat insulated cushion according to claim 1, is characterized in that, the thickness of described flame retardant polyurethane layer is 15 ~ 30mm.
4. a kind of enging cabin composite stratotype sound-heat insulated cushion according to claim 1, is characterized in that, the temperature of hot pressing is 150 ~ 170 DEG C, and pressure is 150 ~ 200bar compression process time is 120 ~ 500s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110449303.8A CN103182810B (en) | 2011-12-28 | 2011-12-28 | A kind of enging cabin composite stratotype sound-heat insulated cushion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110449303.8A CN103182810B (en) | 2011-12-28 | 2011-12-28 | A kind of enging cabin composite stratotype sound-heat insulated cushion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103182810A CN103182810A (en) | 2013-07-03 |
| CN103182810B true CN103182810B (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110449303.8A Active CN103182810B (en) | 2011-12-28 | 2011-12-28 | A kind of enging cabin composite stratotype sound-heat insulated cushion |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507361B (en) * | 2013-09-23 | 2015-10-28 | 句容市睿远科技有限公司 | For the deadener and preparation method thereof of bullet train |
| CN104441835B (en) * | 2014-11-29 | 2016-06-15 | 济南一布建材科技有限公司 | A kind of thermal radiation resistant water-proof air-permeable film and preparation method thereof |
| CN106916271A (en) * | 2015-12-24 | 2017-07-04 | 上海新安汽车隔音毡有限公司 | A kind of automobile PUR material engine bonnet parts and preparation method |
| CN109849469A (en) * | 2017-11-30 | 2019-06-07 | 上海新安汽车隔音毡有限公司 | A kind of motor in electric automobile sound insulating pad and preparation method thereof |
| CN109304923A (en) * | 2018-09-20 | 2019-02-05 | 无锡吉兴汽车部件有限公司 | The production method of car engine motor spindle sound insulating pad |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101376275A (en) * | 2007-08-30 | 2009-03-04 | 吴全强 | Noise-absorbing heat-insulating flame-proof compound material for automobile as well as technique and method for producing the same |
| CN101653997A (en) * | 2009-09-07 | 2010-02-24 | 无锡吉兴汽车声学部件科技有限公司 | Process for producing low-density polyurethane foam sound insulating pad |
| CN101942190A (en) * | 2010-09-03 | 2011-01-12 | 中蓝晨光化工研究院有限公司 | Polyurethane foam and preparation method thereof |
| CN102529839A (en) * | 2010-12-23 | 2012-07-04 | 上海新安汽车隔音毡有限公司 | Multilayer-structure sound-proof and heat-proof cushion used for automotive engine cabin and manufacture method thereof |
-
2011
- 2011-12-28 CN CN201110449303.8A patent/CN103182810B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101376275A (en) * | 2007-08-30 | 2009-03-04 | 吴全强 | Noise-absorbing heat-insulating flame-proof compound material for automobile as well as technique and method for producing the same |
| CN101653997A (en) * | 2009-09-07 | 2010-02-24 | 无锡吉兴汽车声学部件科技有限公司 | Process for producing low-density polyurethane foam sound insulating pad |
| CN101942190A (en) * | 2010-09-03 | 2011-01-12 | 中蓝晨光化工研究院有限公司 | Polyurethane foam and preparation method thereof |
| CN102529839A (en) * | 2010-12-23 | 2012-07-04 | 上海新安汽车隔音毡有限公司 | Multilayer-structure sound-proof and heat-proof cushion used for automotive engine cabin and manufacture method thereof |
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| CN103182810A (en) | 2013-07-03 |
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