CN105691325A - Enhanced car roof sound-insulation heat-insulation mat and manufacturing method thereof - Google Patents
Enhanced car roof sound-insulation heat-insulation mat and manufacturing method thereof Download PDFInfo
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- CN105691325A CN105691325A CN201410681998.6A CN201410681998A CN105691325A CN 105691325 A CN105691325 A CN 105691325A CN 201410681998 A CN201410681998 A CN 201410681998A CN 105691325 A CN105691325 A CN 105691325A
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Abstract
The invention relates to an enhanced car roof sound-insulation heat-insulation mat and a manufacturing method thereof. The sound-insulation heat-insulation mat is of a five-layer structure; an upper surface layer and a lower surface layer are film non-woven fabrics; a middle layer is a polyurethane foaming sound-insulation heat-insulation layer with the density of 50 Kg/m3; glass fiber layers are arranged between the middle layer and the upper surface layer and the lower surface layer; polyurethane heat-curable adhesive tapes are laid on a surface of the upper surface layer or the lower surface layer; and the polyurethane heat-curable adhesive tapes are long-bar-shaped and are laid on the upper surface layer or the lower surface layer at intervals. Compared with the prior art, the sound-insulation mat is made of the polyurethane foaming sound-insulation heat-insulation material layer, and thereby achieving noise absorption and attenuation; the laid polyurethane heat-curable adhesive tapes can enhance the rigidity of the car roof and lightening the weight of the whole car; and for main engine plants, the installation technique is simplified, and the investment in an early stage can be decreased.
Description
Technical field
The present invention relates to a kind of deadening felt and preparation method thereof, especially relate to a kind of enhanced type automobile roof sound-heat insulated cushion and manufacture method thereof。
Background technology
The car roof soundproof pad of current automobile industry, the overwhelming majority adopts the equal thick material of felt of monolayer to make part。Noise being played obvious absorption, attenuation, it does not have roof has the effect of enhancing, existing enhancement mode car roof soundproof pad is installed loaded down with trivial details, and operation is covered assorted。
Chinese patent CN102336167A discloses automobile sound insulation pad and the manufacture method thereof of a kind of multiple structure, the sound insulating pad of this multiple structure is made up of the sound insulating pad of 2～3 layers of different densities, adhesive bond is adopted between each layer deadener, conventionally make after obtaining low-density sound insulating pad and high density sound insulating pad, heating makes it soften, then it is coated with binding agent in bonding part, then deadener is sequentially placed in mould, obtains the automobile sound insulation pad of multiple structure through matched moulds compression process。Noise can be played obvious absorption, attenuation by the sound insulating pad of this patent disclosure, it does not have roof has the effect of enhancing。
Chinese patent CN103847657A automobile enhancement mode car roof soundproof pad disclosing a kind of laminating layer structure and preparation method thereof, this sound insulating pad is that three-decker, upper strata and lower floor are layers of kraft paper, and intermediate layer is density is 30～50kg/m3Polyurethane foam material layer, upper strata, intermediate layer and lower floor through hot glue bonding and compressing。Adopting polyurethane foam material and kraft paper to make the automobile enhancement mode car roof soundproof pad of laminating layer structure, lighter weight, soundproof effect is good, less costly, and preparation is convenient, applied range。
Chinese patent CN104071091A automobile enhancement mode car roof soundproof pad disclosing a kind of multiple structure and preparation method thereof, upper surface layer and undersurface layer are density 200g/cm3Film kraft paper, intermediate layer is density 50kg/m3Polyurethane foam puigging, after polyethers, isocyanates are mixed in proportion foamed solidification section can obtain polyurethane foaming layer, density is 30～50kg/m3, then polyurethane foam material layer and surface kraft paper are placed in mould, compression process obtains the automobile enhancement mode roof of multiple structure。
Patent described above all adopts the glass cement that machinery is coated, on the one hand complex process, and equipment investment is big on the other hand, is greatly increased production cost。
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and provide a kind of and strengthen the rigidity of roof, the enhanced type automobile roof sound-heat insulated cushion alleviating complete vehicle weight and manufacture method thereof。
The purpose of the present invention can be achieved through the following technical solutions:
A kind of enhanced type automobile roof sound-heat insulated cushion, this sound-heat insulated cushion is five-layer structure, upper surface layer and undersurface layer is film non-woven fabrics, and intermediate layer is density 50kg/m3Polyurethane foam sound-insulating and heat-insulating layer, between intermediate layer and upper surface layer and undersurface layer, be equipped with glass layer；Described upper surface layer or the surface of undersurface layer are equipped with polyurethane thermoset adhesive tape, and this polyurethane thermoset adhesive tape is strip, and interval is laid on upper surface layer or undersurface layer。
The thickness proportion relation of described film non-woven fabrics, polyurethane foam sound-insulating and heat-insulating layer and glass layer is 2: 8: 3。
The density of described film non-woven fabrics is 200～500g/m2, the density of described glass layer is 100～500g/m2。
Described polyurethane thermoset tape width is 25mm, and arrangement pitch is 100mm。
The outer surface of described polyurethane thermoset adhesive tape arranges the aluminium foil reflecting layer that a layer thickness is 0.1mm。
The manufacture method of a kind of enhanced type automobile roof sound-heat insulated cushion, comprises the following steps:
(1) making of polyurethane foam sound-insulating and heat-insulating layer:
1. control polyethers and isocyanates temperature of charge is 25～30 DEG C；
2. being 1 by weight by isocyanates and polyethers: (1～2) adds in foam box, controlling temperature is 25～30 DEG C, ripening 30～40min；
3. being cut into slices by the material after foaming, control slice thickness is 6～8mm, deposits 24 hours after section, namely obtains polyurethane foam sound-insulating and heat-insulating layer；
(2) gluing: at polyurethane foam sound-insulating and heat-insulating layer upper and lower surface gluing, glue-spread 100-150g/m2；
(3) compression molding:
1. the surface temperature of mould is heated to 100～110 DEG C, and keeps 30～40min；
2. the upper strata of glue-coated polyurethane foam sound-insulating and heat-insulating layer and lower floor respectively being spread layer of glass layer, glass layer surface repaves one layer of film non-woven fabrics；
3. being placed in mould by polyurethane foam sound-insulating and heat-insulating layer and glass layer, film non-woven fabrics, controlling pressure is that 80～100bar carries out matched moulds, and namely compression process 120～500s obtains blank；
(4) punching molding: blank is placed in die cutting die die-cut；
(5) adhesive tape is covered on surface: cover polyurethane thermoset adhesive tape, tape width 25mm, interval 100mm at die-cut rear piece surface。
Compared with prior art, the sound insulating pad that the present invention obtains mainly is made up of a kind of polyurethane foam sound and thermal insulating material layer, absorption, noise attenuation effect can be played, and owing to being equipped with polyurethane thermoset adhesive tape, therefore, it is possible to strengthen the rigidity of roof, alleviate complete vehicle weight, for main engine plants, simplify mounting process, reduce equipment early investment。Relative to former part, the present invention adopts adhesive tape to substitute the glass cement of existing machinery coating, and equipment investment is few, and technique is simple, it is possible to reach and the same effect of existing machinery coating glass cement！
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail。
Comparative example
A kind of manufacture method of the automobile enhancement mode car roof soundproof pad of 3-tier architecture, the method comprises the following steps:
(1) making of polyurethane foam sound and thermal insulating material layer:
1. control polyethers and isocyanates temperature of charge be 25～30 DEG C,；
2. being 1 by weight by isocyanates and polyethers: (1～2) adds in foam box, controlling temperature is 25～30 DEG C, ripening 30～40min；
3. being cut into slices by the material after foaming, control slice thickness is 6～8mm, deposits 24 hours, namely obtain polyurethane foam insulation material layer after section；
(2) gluing
1. at polyurethane foam insulation material layer surface coating, glue-spread 100-150g/m2；
2. upper and lower surface is all coated with；
(3) compression molding:
1. the surface temperature of mould is heated to 100～110 DEG C, and keeps 30～40min；
2. the upper strata of glue-coated polyurethane foam sound and thermal insulating material layer and lower floor are respectively spread one layer of kraft paper；
3. being placed in mould by polyurethane foam sound and thermal insulating material layer and kraft paper, controlling pressure is that 80～100bar carries out matched moulds, and namely compression process 120～500s obtains the blank of the enhanced automobile car roof soundproof pad of multiple structure。
(4) punching molding:
1. blank is placed in die cutting die die-cut, namely obtains the enhanced automobile car roof soundproof pad of multiple structure。
(5) adhesive tape is covered on surface, installs with vehicle body with part:
Polyurethane thermoset adhesive tape, tape width 25mm, interval 100mm is covered at piece surface。
Embodiment 1
A kind of automobile enhancement mode car roof soundproof pad of 5 Rotating fields, the method comprises the following steps:
(1) making of polyurethane foam sound and thermal insulating material layer:
1. control polyethers and isocyanates temperature of charge be 25～30 DEG C,；
2. by isocyanates and polyethers by weight be (1～2): 1 adds in foam box, and control temperature is 25～30 DEG C, ripening 30～40min；
3. being cut into slices by the material after foaming, control slice thickness is 6～8mm, deposits 24 hours, namely obtain polyurethane foam insulation material layer after section；
(2) gluing
1. at polyurethane foam insulation material layer surface coating, glue-spread 100-150g/m2；
2. upper and lower surface is all coated with；
(3) compression molding:
1. the surface temperature of mould is heated to 100～110 DEG C, and keeps 30～40min；
2. the upper strata of glue-coated polyurethane foam sound and thermal insulating material layer and lower floor respectively being spread layer of glass, fiberglass surfacing repaves one layer of film non-woven fabrics；
3. being placed in mould by polyurethane foam sound and thermal insulating material layer and glass fibre non-woven, controlling pressure is that 80～100bar carries out matched moulds, and namely compression process 120～500s obtains the blank of the enhanced automobile car roof soundproof pad of multiple structure。
(4) punching molding:
1. blank is placed in die cutting die die-cut, namely obtains the enhanced automobile car roof soundproof pad of multiple structure
(5) adhesive tape is covered on surface, installs with vehicle body with part:
Polyurethane thermoset adhesive tape, tape width 30mm, interval 120mm is covered at piece surface。
Embodiment 2
A kind of enhanced type automobile roof sound-heat insulated cushion, this sound-heat insulated cushion is five-layer structure, upper surface layer and undersurface layer is film non-woven fabrics, and intermediate layer is density 50kg/m3Polyurethane foam sound-insulating and heat-insulating layer, between intermediate layer and upper surface layer and undersurface layer, be equipped with glass layer；The surface of upper surface layer or undersurface layer is equipped with polyurethane thermoset adhesive tape, and this polyurethane thermoset adhesive tape is strip, and interval is laid on upper surface layer or undersurface layer。The thickness of film non-woven fabrics, polyurethane foam sound-insulating and heat-insulating layer and glass layer is 2mm, 8mm, 3mm。
The density of film non-woven fabrics is 200～500g/m2, the density of glass layer is 100～500g/m2。Polyurethane thermoset tape width is 25mm, and arrangement pitch is 100mm。The outer surface of polyurethane thermoset adhesive tape arranges the aluminium foil reflecting layer that a layer thickness is 0.1mm。
Manufacture method is as follows:
(1) making of polyurethane foam sound-insulating and heat-insulating layer:
1. control polyethers and isocyanates temperature of charge is 25～30 DEG C；
2. being 1 by weight by isocyanates and polyethers: (1～2) adds in foam box, controlling temperature is 25～30 DEG C, ripening 30～40min；
3. being cut into slices by the material after foaming, control slice thickness is 6～8mm, deposits 24 hours after section, namely obtains polyurethane foam sound-insulating and heat-insulating layer；
(2) gluing: at polyurethane foam sound-insulating and heat-insulating layer upper and lower surface gluing, glue-spread 100-150g/m2；
(3) compression molding:
1. the surface temperature of mould is heated to 100～110 DEG C, and keeps 30～40min；
2. the upper strata of glue-coated polyurethane foam sound-insulating and heat-insulating layer and lower floor respectively being spread layer of glass layer, glass layer surface repaves one layer of film non-woven fabrics；
3. being placed in mould by polyurethane foam sound-insulating and heat-insulating layer and glass layer, film non-woven fabrics, controlling pressure is that 80～100bar carries out matched moulds, and namely compression process 120～500s obtains blank；
(4) punching molding: blank is placed in die cutting die die-cut；
(5) adhesive tape is covered on surface: cover polyurethane thermoset adhesive tape, tape width 25mm, interval 100mm at die-cut rear piece surface。
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and use invention。These embodiments obviously easily can be made various amendment by person skilled in the art, and General Principle described herein is applied in other embodiments without through performing creative labour。Therefore, the invention is not restricted to above-described embodiment, those skilled in the art's announcement according to the present invention, the improvement made without departing from scope and amendment all should within protection scope of the present invention。
Claims (6)
1. an enhanced type automobile roof sound-heat insulated cushion, it is characterised in that this sound-heat insulated cushion is five-layer structure, upper surface layer and undersurface layer is film non-woven fabrics, and intermediate layer is density 50kg/m3Polyurethane foam sound-insulating and heat-insulating layer, between intermediate layer and upper surface layer and undersurface layer, be equipped with glass layer；Described upper surface layer or the surface of undersurface layer are equipped with polyurethane thermoset adhesive tape, and this polyurethane thermoset adhesive tape is strip, and interval is laid on upper surface layer or undersurface layer。
2. a kind of enhanced type automobile roof sound-heat insulated cushion according to claim 1, it is characterised in that the thickness proportion relation of described film non-woven fabrics, polyurethane foam sound-insulating and heat-insulating layer and glass layer is 2: 8: 3。
3. a kind of enhanced type automobile roof sound-heat insulated cushion according to claim 1, it is characterised in that the density of described film non-woven fabrics is 200～500g/m2, the density of described glass layer is 100～500g/m2。
4. a kind of enhanced type automobile roof sound-heat insulated cushion according to claim 1, it is characterised in that described polyurethane thermoset tape width is 25mm, and arrangement pitch is 100mm。
5. a kind of enhanced type automobile roof sound-heat insulated cushion according to claim 1, it is characterised in that the outer surface of described polyurethane thermoset adhesive tape arranges the aluminium foil reflecting layer that a layer thickness is 0.1mm。
6. the manufacture method of an enhanced type automobile roof sound-heat insulated cushion as claimed in claim 1, it is characterised in that comprise the following steps:
(1) making of polyurethane foam sound-insulating and heat-insulating layer:
1. control polyethers and isocyanates temperature of charge is 25～30 DEG C；
2. by isocyanates and polyethers by weight be (1～2): 1 adds in foam box, and control temperature is 25～30 DEG C, ripening 30～40min；
3. being cut into slices by the material after foaming, control slice thickness is 6～8mm, deposits 24 hours after section, namely obtains polyurethane foam sound-insulating and heat-insulating layer；
(2) gluing: at polyurethane foam sound-insulating and heat-insulating layer upper and lower surface gluing, glue-spread 100-150g/m2；
(3) compression molding:
1. the surface temperature of mould is heated to 100～110 DEG C, and keeps 30～40min；
2. the upper strata of glue-coated polyurethane foam sound-insulating and heat-insulating layer and lower floor respectively being spread layer of glass layer, glass layer surface repaves one layer of film non-woven fabrics；
3. being placed in mould by polyurethane foam sound-insulating and heat-insulating layer and glass layer, film non-woven fabrics, controlling pressure is that 80～100bar carries out matched moulds, and namely compression process 120～500s obtains blank；
(4) punching molding: blank is placed in die cutting die die-cut；
(5) adhesive tape is covered on surface: cover polyurethane thermoset adhesive tape, tape width 25mm, interval 100mm at die-cut rear piece surface。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410681998.6A CN105691325A (en) | 2014-11-24 | 2014-11-24 | Enhanced car roof sound-insulation heat-insulation mat and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410681998.6A CN105691325A (en) | 2014-11-24 | 2014-11-24 | Enhanced car roof sound-insulation heat-insulation mat and manufacturing method thereof |
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| CN105691325A true CN105691325A (en) | 2016-06-22 |
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| CN201410681998.6A Pending CN105691325A (en) | 2014-11-24 | 2014-11-24 | Enhanced car roof sound-insulation heat-insulation mat and manufacturing method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106364083A (en) * | 2016-08-26 | 2017-02-01 | 重庆科恒建材集团有限公司 | Heat insulation and sound insulation composite material and production technology thereof |
| WO2018203140A1 (en) * | 2017-05-01 | 2018-11-08 | Thrace Nonwovens & Geosynthetics S.A. | Acoustic material |
| CN109572087A (en) * | 2018-11-01 | 2019-04-05 | 江苏恩伟驰复合材料有限公司 | Special nonwoven fabric and preparation method thereof |
| CN109733020A (en) * | 2018-12-29 | 2019-05-10 | 苏州市君悦新材料科技股份有限公司 | Thermal insulation material used for vehicle and preparation method thereof |
| CN110356055A (en) * | 2019-06-20 | 2019-10-22 | 重庆敏特汽车零部件有限公司 | A kind of automobile knitting dry goods ceiling and its manufacturing process |
| CN111469779A (en) * | 2020-04-14 | 2020-07-31 | 重庆大学 | Manufacturing method of automobile sound insulation pad with mildew-proof function |
| CN113212327A (en) * | 2021-05-20 | 2021-08-06 | 江苏信腾汽车饰件有限公司 | Novel automobile sound insulation foaming reinforcing material |
| CN113547996A (en) * | 2021-07-09 | 2021-10-26 | 江苏惠沣环保科技有限公司 | Sound insulation adhesive film and preparation method thereof |
| CN113816719A (en) * | 2021-10-09 | 2021-12-21 | 航天特种材料及工艺技术研究所 | Phosphate group nano heat-insulating material and preparation method thereof |
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| WO2018203140A1 (en) * | 2017-05-01 | 2018-11-08 | Thrace Nonwovens & Geosynthetics S.A. | Acoustic material |
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| CN110356055A (en) * | 2019-06-20 | 2019-10-22 | 重庆敏特汽车零部件有限公司 | A kind of automobile knitting dry goods ceiling and its manufacturing process |
| CN111469779A (en) * | 2020-04-14 | 2020-07-31 | 重庆大学 | Manufacturing method of automobile sound insulation pad with mildew-proof function |
| CN111469779B (en) * | 2020-04-14 | 2022-07-15 | 重庆大学 | Manufacturing method of automobile sound insulation pad with mildew-proof function |
| CN113212327A (en) * | 2021-05-20 | 2021-08-06 | 江苏信腾汽车饰件有限公司 | Novel automobile sound insulation foaming reinforcing material |
| CN113212327B (en) * | 2021-05-20 | 2023-02-10 | 江苏信腾汽车饰件有限公司 | Automobile sound-insulation foaming reinforcing material |
| CN113547996A (en) * | 2021-07-09 | 2021-10-26 | 江苏惠沣环保科技有限公司 | Sound insulation adhesive film and preparation method thereof |
| CN113547996B (en) * | 2021-07-09 | 2023-07-04 | 江苏惠沣环保科技有限公司 | Sound insulation adhesive film and preparation method thereof |
| CN113816719A (en) * | 2021-10-09 | 2021-12-21 | 航天特种材料及工艺技术研究所 | Phosphate group nano heat-insulating material and preparation method thereof |
| CN113816719B (en) * | 2021-10-09 | 2023-01-31 | 航天特种材料及工艺技术研究所 | Phosphate group nano heat-insulating material and preparation method thereof |
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