CN102501519A - Air-permeable interior trim composite board material for ceiling of automobile - Google Patents
Air-permeable interior trim composite board material for ceiling of automobile Download PDFInfo
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- CN102501519A CN102501519A CN2011103045655A CN201110304565A CN102501519A CN 102501519 A CN102501519 A CN 102501519A CN 2011103045655 A CN2011103045655 A CN 2011103045655A CN 201110304565 A CN201110304565 A CN 201110304565A CN 102501519 A CN102501519 A CN 102501519A
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Abstract
The invention relates to the field of interior trim of an automobile, in particular to air-permeable interior trim composite board material for the ceiling of an automobile. The composite board material comprises an intermediate foam layer, and the upper surface and the lower surface of the intermediate foam layer are laminated with an upper surface layer and a lower surface layer both having a via-hole, respectively. With such configuration, the composite board material has better sound insulation and heat insulation effects compared with intermediate foam layer-containing board material in the prior art.
Description
Technical field
The present invention relates to the automobile interior trim field, be specifically related to a kind of automobile calash interior trim composite board.
Background technology
Along with the develop rapidly of automobile industry, automotive interior material is weeded out the old and bring forth the new towards the direction of environmental protection gradually.What traditional automotive upholstery usually adopted all is PU plate (polyurethane sheet) or PP (polypropylene) wood flour board, and its advantage is a good moldability, and hot strength is high, but its gas permeability, poor toughness, not shock resistance.
Chinese patent document CN201484319U discloses a kind of automobile calash interior trim sheet material, and said automobile calash interior trim sheet material comprises precoat, composite bed and bottom layer from top to bottom successively, and the upper and lower faces of said composite bed is attached with glued membrane and following glued membrane respectively; The last glued membrane of said precoat and composite bed is bonding, and the following glued membrane of said bottom layer and said composite bed is bonding, wherein; Said glued membrane is a polyethylene; What said composite bed adopted is the flaxen fiber base material, though this composite has solved PU plate poor toughness, and not shock proof problem; But its sound-insulating and heat-insulating poor effect, and gas permeability is bad.
Chinese patent document CN201863779U discloses a kind of automobile calash and has used the sound-insulating and heat-insulating fire-proof board; Said automobile calash is followed successively by upper epidermis, polyethylene foam layer and following top layer from top to bottom with the sound-insulating and heat-insulating fire-proof board, and wherein the polyethylene foam layer is a vesicular texture.Disclosed automobile calash sound-insulating and heat-insulating fire-proof board in the document though form hole through the polyethylene foam that is positioned at the intermediate layer, can partly play ventilative effect, receives the influence of foam process, and under the uneven situation of foaming, air permeable effect is not good; Simultaneously, this sheet material is owing to adopt polyethylene foam, and its intensity is not good, though can improve intensity, gas permeability variation behind the compound flaxen fiber layer through increasing the flaxen fiber layer.Therefore, need design a kind of when satisfying intensity, the sound-insulating and heat-insulating effect is better, and the automobile calash interior trim sheet material of good air permeability.
Summary of the invention
Therefore, the present invention's technical problem that will solve is to provide a kind of automobile calash interior trim composite board that when satisfying the sound-insulating and heat-insulating effect, has good gas permeability more.
For this reason, the present invention provides a kind of ventilative automobile calash interior trim composite board, comprises middle foaming layer, the upper surface of said middle foaming layer and lower surface respectively with the upper epidermis that has through hole, have a through hole following top layer compound.
The material that said middle foaming layer adopts is polyurethane or polypropylene.
The thickness of said middle foaming layer is 4-15mm.
The thickness of said middle foaming layer is 6-7mm.
Said upper epidermis and said top layer down are respectively nonwoven layer, and the content of the flaxen fiber in each said nonwoven layer is counted 20-90% according to percentage by weight.
Said upper epidermis and the said grammes per square metre on top layer down are respectively 50-300g/m
2
Said upper epidermis and the said grammes per square metre on top layer down are respectively 100g/m
2
Said through hole evenly distributes on said upper epidermis and said top layer down respectively.
The radius of said through hole is 0.5-2mm, and the distance of the tangent line that parallels of adjacent two through holes is 2-6mm.
The radius of said through hole is 1mm, and the distance of the tangent line that parallels of adjacent two through holes is 4mm.
Ventilative automobile calash interior trim composite board provided by the invention has the following advantages:
1. ventilative automobile calash interior trim composite board provided by the invention comprises middle foaming layer, the upper surface of said middle foaming layer and lower surface respectively with the upper epidermis that has through hole, have a through hole following top layer compound.Automobile calash interior trim composite board provided by the invention; Have three composite beds; Said upper epidermis and said down top layer all have through hole and compound with said middle foaming layer respectively, and the sheet material that has middle foaming layer in the composite board that so forms and the prior art is compared has good gas permeability and sound-insulating and heat-insulating effect.
2. ventilative automobile calash interior trim composite board provided by the invention, the material that said middle foaming layer adopts is polyurethane or polypropylene.Middle foaming layer adopts polyurethane or polypropylene to be convenient to foaming, has reduced the moulding difficulty of whole composite board.
3. ventilative automobile calash interior trim composite board provided by the invention, the thickness of said middle foaming layer is 4-15mm.This thickness range can guarantee that whole composite board is lighter, can alleviate the weight of vehicle body, practices thrift oil consumption in the use, practices thrift cost.Preferably, the thickness of said middle foaming layer is 6-7mm.
4. ventilative automobile calash interior trim composite board provided by the invention, said upper epidermis and said top layer down are respectively nonwoven layer, and the content of the flaxen fiber in each said nonwoven layer is counted 20-90% according to percentage by weight.The gas permeability of flaxen fiber is better, and intensity is higher.Automobile calash interior trim composite board of the present invention adopts more flaxen fiber, has guaranteed gas permeability and intensity preferably, and simultaneously, said upper epidermis is provided with through hole again with following top layer, has further guaranteed gas permeability.
5. ventilative automobile calash interior trim composite board provided by the invention, said upper epidermis and the said grammes per square metre on top layer down are respectively 50-300g/m
2, preferably, said upper epidermis and the said grammes per square metre on top layer down are respectively 100g/m
2The grammes per square metre scope will influence the integral thickness and the intensity of composite board, select identical material, and under the situation that the area of each layer is confirmed, grammes per square metre is heavy more, and thickness is big more, and the sound-insulating and heat-insulating effect is good more, but can influence the gas permeability of composite board.Upper epidermis described in the present invention and the said grammes per square metre on top layer down are respectively 50-300g/m
2, preferably, said upper epidermis and the said grammes per square metre on top layer down are respectively 100g/m
2In this grammes per square metre scope, can guarantee gas permeability and sound-insulating and heat-insulating effect preferably.
6. ventilative automobile calash interior trim composite board provided by the invention, said through hole evenly distribute on said upper epidermis and said top layer down respectively.Said through hole can guarantee air permeability and good when said upper epidermis and said down top layer evenly distribute, and can guarantee when middle foaming layer foams, to be combined with each other with foaming layer well.
7. ventilative automobile calash interior trim composite board provided by the invention, the radius of said through hole is 0.5-2mm, the distance of the tangent line that parallels of adjacent two through holes is 2-6mm.The radius of said through hole is big more, and the distance of the tangent line that parallels of adjacent two said through holes just needs big more; On the contrary, the radius of said through hole is more little, and the distance of the tangent line that parallels of adjacent two said through holes just needs more little.Because; The upper epidermis that is provided with through hole and following top layer with said intermediate layer compound tense; If the diameter of said through hole is very big; But the distance of the tangent line that parallels of adjacent two through holes is very little, and such sheet material will be not easy said upper epidermis, said top layer down and said middle foaming layer are combined with each other at compound tense; And if the diameter of said through hole is very little, and the distance of the tangent line that parallels of adjacent two said through holes is very big, and this will influence the overall air permeability of whole sheet material.The radius of through hole described in the present invention is 0.5-2mm, and the distance of the tangent line that parallels of adjacent two through holes is 2-6mm, and this scope when having guaranteed preferably gas permeability and sound-insulating and heat-insulating effect, has also reduced the compound difficulty of sheet material.Further preferably, the radius of said through hole is 1mm, and the distance of the tangent line that parallels of adjacent two through holes is 4mm.
Description of drawings
For content of the present invention is more clearly understood, below according to a particular embodiment of the invention and combine accompanying drawing, the present invention is done further detailed explanation, wherein
Fig. 1 is the structural representation of ventilative automobile calash interior trim composite board provided by the invention;
Reference numeral is expressed as among the figure:
The 1-middle foaming layer; The 2-upper epidermis; Top layer under the 3-.
The specific embodiment
Core purpose of the present invention is to provide a kind of automobile calash interior trim composite board of gas permeability preferably that has.
Below in conjunction with concrete embodiment, technical scheme of the present invention is carried out detailed explanation.
A kind of ventilative automobile calash interior trim composite board; Comprise middle foaming layer 1; The upper surface of said middle foaming layer 1 and lower surface respectively with the upper epidermis that has through hole 2, have a through hole following top layer 3 compound, said through hole evenly distributes on said upper epidermis 2 and said top layer 3 down respectively, the radius of said through hole is 0.5mm; The distance of the tangent line that parallels of adjacent two through holes is 2mm; In the present embodiment, the material that said middle foaming layer 1 adopts is a polyurethane fiber, and the thickness of said middle foaming layer 1 is 4mm; Said upper epidermis 2 is respectively nonwoven layer with said top layer 3 down, and the content of the flaxen fiber in each said nonwoven layer counts 20% according to percentage by weight, and said upper epidermis 2 is respectively 50g/m with the said grammes per square metre on top layer 3 down
2
A kind of ventilative automobile calash interior trim composite board; Comprise middle foaming layer 1; The upper surface of said middle foaming layer 1 and lower surface respectively with the upper epidermis that has through hole 2, have a through hole following top layer 3 compound, said through hole evenly distributes on said upper epidermis 2 and said top layer 3 down respectively, the radius of said through hole is 2mm; The distance of the tangent line that parallels of adjacent two through holes is 6mm; In the present embodiment, the material that said middle foaming layer 1 adopts is a polypropylene fibre, and the thickness of said middle foaming layer 1 is 15mm; Said upper epidermis 2 is respectively nonwoven layer with said top layer 3 down, and the content of the flaxen fiber in each said nonwoven layer counts 90% according to percentage by weight, and said upper epidermis 2 is respectively 300g/m with the said grammes per square metre on top layer 3 down
2
A kind of ventilative automobile calash interior trim composite board; Comprise middle foaming layer 1; The upper surface of said middle foaming layer 1 and lower surface respectively with the upper epidermis that has through hole 2, have a through hole following top layer 3 compound, said through hole evenly distributes on said upper epidermis 2 and said top layer 3 down respectively, the radius of said through hole is 1mm; The distance of the tangent line that parallels of adjacent two through holes is 4mm; In the present embodiment, the material that said middle foaming layer 1 adopts is a polypropylene fibre, and the thickness of said middle foaming layer 1 is 6mm; Said upper epidermis 2 is respectively nonwoven layer with said top layer 3 down, and the content of the flaxen fiber in each said nonwoven layer counts 60% according to percentage by weight, and said upper epidermis 2 is respectively 100g/m with the said grammes per square metre on top layer 3 down
2
Embodiment 4
A kind of ventilative automobile calash interior trim composite board; Comprise middle foaming layer 1; The upper surface of said middle foaming layer 1 and lower surface respectively with the upper epidermis that has through hole 2, have a through hole following top layer 3 compound, said through hole evenly distributes on said upper epidermis 2 and said top layer 3 down respectively, the radius of said through hole is 1.5mm; The distance of the tangent line that parallels of adjacent two through holes is 5mm; In the present embodiment, the material that said middle foaming layer 1 adopts is a polyurethane fiber, and the thickness of said middle foaming layer 1 is 7mm; Said upper epidermis 2 is respectively nonwoven layer with said top layer 3 down, and the content of the flaxen fiber in each said nonwoven layer counts 70% according to percentage by weight, and said upper epidermis 2 is respectively 200g/m with the said grammes per square metre on top layer 3 down
2
Embodiment 5
A kind of ventilative automobile calash interior trim composite board; Comprise middle foaming layer 1; The upper surface of said middle foaming layer 1 and lower surface respectively with the upper epidermis that has through hole 2, have a through hole following top layer 3 compound, said through hole evenly distributes on said upper epidermis 2 and said top layer 3 down respectively, the radius of said through hole is 0.8mm; The distance of the tangent line that parallels of adjacent two through holes is 3mm; In the present embodiment, the material that said middle foaming layer 1 adopts is a polypropylene fibre, and the thickness of said middle foaming layer 1 is 6.5mm; Said upper epidermis 2 is respectively nonwoven layer with said top layer 3 down, and the content of the flaxen fiber in each said nonwoven layer counts 40% according to percentage by weight, and said upper epidermis 2 is respectively 250g/m with the said grammes per square metre on top layer 3 down
2
Embodiment 6
A kind of ventilative automobile calash interior trim composite board; Comprise middle foaming layer 1; The upper surface of said middle foaming layer 1 and lower surface respectively with the upper epidermis that has through hole 2, have a through hole following top layer 3 compound, said through hole evenly distributes on said upper epidermis 2 and said top layer 3 down respectively, the radius of said through hole is 1.2mm; The distance of the tangent line that parallels of adjacent two through holes is 4.5mm; In the present embodiment, the material that said middle foaming layer 1 adopts is a polyurethane fiber, and the thickness of said middle foaming layer 1 is 8mm; Said upper epidermis 2 is respectively nonwoven layer with said top layer 3 down, and the content of the flaxen fiber in each said nonwoven layer counts 30% according to percentage by weight, and said upper epidermis 2 is respectively 80g/m with the said grammes per square metre on top layer 3 down
2
The effect data of the product that above-mentioned six embodiment are corresponding sees the following form one.Wherein, the smell parameter in the table one adopts " requirement of automotive interior material odor dispersion property " standard test.Bending strength parameter in the table one adopts ISO 178 standard tests.The density of censorship automobile calash interior trim composite board is: 44.5kg/m
3Effect data in the table one has shown that automobile calash interior trim composite board provided by the invention has the higher feature of environmental protection and mechanical property preferably.
Table one
Has preferably the feature of environmental protection and preferably in the mechanical property, automobile calash interior trim composite board provided by the invention has had gas permeability preferably because of punching rationally.
The production method of the said automobile calash interior trim composite board in the foregoing description is:
A. produce said upper epidermis 2, said top layer 3 down respectively, said upper epidermis 2 adopts needle point methods to produce with said top layer down 3, and needling density is 100-150 thorn/m
2
B. ultrasonic drilling is adopted on said upper epidermis 2 and said top layer 3 down respectively, punching speed is not more than 5m/min, also can adopt laser boring;
C. in 1 foaming of said middle foaming layer, carry out compoundly, form finished product composite board (see figure 1) with said upper epidermis 2, said top layer 3 down.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, can also make other multi-form variation or change on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (10)
1. a ventilative automobile calash interior trim composite board comprises middle foaming layer (1), it is characterized in that: the upper surface of said middle foaming layer (1) and lower surface respectively with the upper epidermis that has through hole (2), have a through hole following top layer (3) compound.
2. ventilative automobile calash interior trim composite board according to claim 1 is characterized in that: the material that said middle foaming layer (1) adopts is polyurethane or polypropylene.
3. ventilative automobile calash interior trim composite board according to claim 1 and 2, it is characterized in that: the thickness of said middle foaming layer (1) is 4-15mm.
4. ventilative automobile calash interior trim composite board according to claim 3, it is characterized in that: the thickness of said middle foaming layer (1) is 6-7mm.
5. according to each described ventilative automobile calash interior trim composite board among the claim 1-4; It is characterized in that: said upper epidermis (2) and said top layer (3) down are respectively nonwoven layer, and the content of the flaxen fiber in each said nonwoven layer is counted 20-90% according to percentage by weight.
6. according to each described ventilative automobile calash interior trim composite board among the claim 1-5, it is characterized in that: said upper epidermis (2) and the said grammes per square metre on top layer (3) down are respectively 50-300g/m
2
7. ventilative automobile calash interior trim composite board according to claim 6 is characterized in that: said upper epidermis (2) and the said grammes per square metre on top layer (3) down are respectively 100g/m
2
8. according to each described ventilative automobile calash interior trim composite board of claim 1-7, it is characterized in that: said through hole is gone up evenly distribution at said upper epidermis (2) and said top layer (3) down respectively.
9. according to each described ventilative automobile calash interior trim composite board among the claim 1-8, it is characterized in that: the radius of said through hole is 0.5-2mm, and the distance of the tangent line that parallels of adjacent two through holes is 2-6mm.
10. ventilative automobile calash interior trim composite board according to claim 9, it is characterized in that: the radius of said through hole is 1mm, the distance of the tangent line that parallels of adjacent two through holes is 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103045655A CN102501519A (en) | 2011-09-30 | 2011-09-30 | Air-permeable interior trim composite board material for ceiling of automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103045655A CN102501519A (en) | 2011-09-30 | 2011-09-30 | Air-permeable interior trim composite board material for ceiling of automobile |
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| CN102501519A true CN102501519A (en) | 2012-06-20 |
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| CN2011103045655A Pending CN102501519A (en) | 2011-09-30 | 2011-09-30 | Air-permeable interior trim composite board material for ceiling of automobile |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044822A1 (en) * | 2011-09-30 | 2013-04-04 | 江苏紫荆花纺织科技股份有限公司 | Non-woven cloth applied to motor vehicle interior trim |
| CN105216189A (en) * | 2015-10-22 | 2016-01-06 | 烟台正海合泰科技股份有限公司 | A kind of production method of automotive interior roof |
| CN108118854A (en) * | 2018-01-17 | 2018-06-05 | 合沐佳成都新材料有限公司 | A kind of facing plant fiber composite board and preparation method thereof |
| CN110356335A (en) * | 2019-07-23 | 2019-10-22 | 扬州市邗江扬子汽车内饰件有限公司 | A kind of two-sided epidermis foaming automobile inside gadget and its moulding process |
| CN112549704A (en) * | 2020-12-02 | 2021-03-26 | 宁波耀众模塑科技有限公司 | High-strength polyurethane plate and processing technology and application thereof |
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| CA2179820C (en) * | 1994-12-02 | 2006-10-24 | Rainer F. Gardill | A molded panel having a decorative facing and made from a blend of natural and plastic fibers and process of making same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013044822A1 (en) * | 2011-09-30 | 2013-04-04 | 江苏紫荆花纺织科技股份有限公司 | Non-woven cloth applied to motor vehicle interior trim |
| CN105216189A (en) * | 2015-10-22 | 2016-01-06 | 烟台正海合泰科技股份有限公司 | A kind of production method of automotive interior roof |
| CN105216189B (en) * | 2015-10-22 | 2018-12-04 | 烟台正海合泰科技股份有限公司 | A kind of production method of automotive interior roof |
| CN108118854A (en) * | 2018-01-17 | 2018-06-05 | 合沐佳成都新材料有限公司 | A kind of facing plant fiber composite board and preparation method thereof |
| CN110356335A (en) * | 2019-07-23 | 2019-10-22 | 扬州市邗江扬子汽车内饰件有限公司 | A kind of two-sided epidermis foaming automobile inside gadget and its moulding process |
| CN112549704A (en) * | 2020-12-02 | 2021-03-26 | 宁波耀众模塑科技有限公司 | High-strength polyurethane plate and processing technology and application thereof |
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Application publication date: 20120620 |