CN201979763U - Composite film of interior of automobile roof - Google Patents

Composite film of interior of automobile roof Download PDF

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Publication number
CN201979763U
CN201979763U CN2010205826161U CN201020582616U CN201979763U CN 201979763 U CN201979763 U CN 201979763U CN 2010205826161 U CN2010205826161 U CN 2010205826161U CN 201020582616 U CN201020582616 U CN 201020582616U CN 201979763 U CN201979763 U CN 201979763U
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CN
China
Prior art keywords
layer
composite membrane
film layer
interior trim
automobile calash
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Expired - Lifetime
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CN2010205826161U
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Chinese (zh)
Inventor
吴伟
马咏梅
张孝南
任强
孟红
魏乐
张聪杰
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DONGLUN SCI-TECH INDUSTRY Co Ltd
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DONGLUN SCI-TECH INDUSTRY Co Ltd
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Priority to CN2010205826161U priority Critical patent/CN201979763U/en
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Abstract

The utility model discloses a composite film of an interior of an automobile roof. The composite film of the interior of the automobile roof comprises at least one non-woven fabric layer and at least one polymer composite thin film layer, preferably a non-woven fabric layer and a polymer composite thin film layer. The composite film has high air blockage; and air can be prevented from flowing inside and outside the roof.

Description

A kind of automobile calash interior trim composite membrane
Technical field
The utility model relates to automobile manufacturing field, specifically, relates to a kind of automobile calash interior trim composite membrane.The same glass fibre of this composite membrane, polyurathamc, decorative layer are by the complete automobile calash interior trim of the common composition of mold pressing.
Background technology
Auto manufacturing is obvious to all in the fast development of China, and 2009, broken in pairs ten million high point of China's automobile production and marketing, annual production and marketing is respectively 1379 and 1,364 ten thousand.Monthlyly surpass 1,000,000, broken historical record.Automobile industry personage's prediction, it is possible fully that automobile in 2010 reaches 1,500 ten thousand.Under this situation, each big auto vendor of the world all accelerates the development of Chinese domestic joint venture one after another, present production, R﹠D work are all at full stretch, all at the new product of constantly releasing various vehicles, comprise the product of originally doing home is transplanted on the domestic vehicle of China.
Automobile calash interior material air barrier is poor at present, one cross-ventilation layer is arranged between automobile calash interior trim and shell, dirty air in the automobile can pass top from inside to outside, and airborne dust then can be adsorbed on automobile calash interior trim side, and is not only unhygienic but also influence attractive in appearance.
In order to overcome above-mentioned shortcoming, prepare a kind of automobile calash interior trim composite membrane of function admirable, the special the utility model that proposes.This composite membrane is better to the air barrier, can prevent that air from flowing in the top medial and lateral.
The utility model content
The utility model purpose is to provide a kind of automobile calash interior trim composite membrane, described automobile calash interior trim composite membrane air good barrier property.
To achieve these goals, the following technical scheme of the special employing of the utility model:
A kind of automobile calash interior trim composite membrane, described automobile calash interior trim composite membrane comprises one deck nonwoven layer and one layer of polymeric THIN COMPOSITE rete at least at least.
Be preferably one deck nonwoven layer and one layer of polymeric THIN COMPOSITE rete.
Can be any complex method of state of the art between described nonwoven layer and the described polymer composite film layer, this is novel preferred with heat viscosity method, pouring embrane method or a slurry point coating.
This novel preferred described polymer composite film layer is the polymer composite film layer that the coextru-lamination of 2-5 strata compound film forms.
More preferably wherein should comprise 1 layer of thin polymer film and 1 layer of heat bonding function film at least in the thin layer with barriers function.
Described nonwoven layer can be that this area is fit to any non-weaving cloth, the utility model preferred water spunlaced nonwoven, hot rolling non-weaving cloth or spun-bonded non-woven.
At least comprise 1 layer of barrier polymer thin layer and 1 layer of heat bonding polymer film layer in the described polymer composite film layer, and described thin layer at least one deck outermost layer be the heat bonding polymer film layer, and carry out compound with nonwoven layer.
The barrier polymer thin layer is selected from one or more in ethylene-vinyl alcohol copolymer thin layer, polyamide film layer, polyvinylidene chloride film layer and the polyethylene terephthalate's thin layer in the described polymer composite film layer, and the heat bonding polymer film layer is selected from film layer and/or layer of polypropylene foil.
Described polymer composite film layer is 3 strata compound thin layer coextru-laminations when forming, and described 3 strata compound thin layers are respectively film layer/polyamide film layer/film layer or film layer/ethylene-vinyl alcohol thin layer/film layer;
Described polymer composite film layer is 5 strata compound film coextru-laminations when forming, and described 5 strata compound thin layers are respectively film layer/ethene-vinyl acetate thin layer/polyamide film layer/ethene-vinyl acetate thin layer/film layer or film layer/polypropylene, polyethylene alcohol thin layer/polypropylene, polyethylene thin layer.
The thickness 100-1600 μ m of described composite membrane, weight per unit area 15-200g/m 2The thickness 150-1000 μ m of preferred described composite membrane, weight per unit area 20-150g/m 2
The thickness of nonwoven layer is 100-1500 μ m in the described composite membrane, weight per unit area 5-150g/m 2Percentage elongation is greater than 30%-70%, and the preferred described composite membrane wherein thickness of nonwoven layer is 150-1000 μ m, weight per unit area 5-100g/m 2Percentage elongation is greater than 40%-70%; The described composite membrane wherein thickness of polymer composite film layer is 5-100 μ m, weight per unit area 5-150g/m 2The preferred described composite membrane wherein thickness of polymer film layer is 15-100 μ m, weight per unit area 15-100g/m 2
Each layer thickness of polymer film layer is 5-100 μ m in the described composite membrane, weight per unit area 5-100g/m 2Each layer thickness of polymer film layer is 10-80 μ m in the preferred described composite membrane, weight per unit area 10-80g/m 2
The technical solution of the utility model has following advantage:
The automobile calash interior trim composite membrane technological process of production is short, reduces with other top material compression moldings the time or does not need to use adhesive, has simplified production process, helps reducing cost, and has avoided the pollution of adhesive to environment.In order to overcome above-mentioned shortcoming,,, can prevent that air from flowing in the top medial and lateral, the health of assurance automobile calash and attractive in appearance because composite membrane is better to the air barrier with the automobile calash of this automobile calash interior trim composite membrane processing.
Description of drawings
Fig. 1 is the schematic diagram of embodiment 1 composite membrane, and wherein 1 is hydro-entangled non-woven fabric, and 2,3,4 are respectively polyethylene film, PA membrane and polypropylene screen;
Fig. 2 is the schematic diagram of embodiment 3 composite membranes, and wherein 21,24 is hydro-entangled non-woven fabric, and 22,23 are respectively PA membrane and polypropylene screen;
Fig. 3 is the schematic diagram of embodiment 4 composite membranes, and wherein 33 is needle fabric, and 31,32 are respectively PA membrane and polypropylene screen, and 33,34 are respectively polyethylene film and polypropylene screen;
Fig. 4 is the schematic diagram of embodiment 6 composite membranes, and wherein 41 is hydro-entangled non-woven fabric, and 42-46 is respectively polyethylene film/ethene-vinyl acetate thin layer/polyethylene terephthalate/ethene-vinyl acetate thin layer/polyethylene film;
Fig. 5 is the schematic diagram of embodiment 8 composite membranes, and wherein 51 is spun-bonded non-woven, and 52-54 is respectively polyethylene film, PA membrane and polyethylene film;
Fig. 6 is the schematic diagram of embodiment 10 composite membranes, and wherein 61 is hydro-entangled non-woven fabric, and 62-66 is respectively film layer, ethene-vinyl acetate thin layer, polyamide film layer, ethene-vinyl acetate thin layer and film layer.
The specific embodiment
Below with embodiment the technical solution of the utility model is further described; to help advantage to the technical solution of the utility model; effect has further to be understood, and embodiment does not limit protection domain of the present utility model, and protection domain of the present utility model is decided by claim.
Embodiment 1
A kind of automobile calash interior trim composite membrane is composited according to drenching embrane method by one deck hydro-entangled non-woven fabric and one layer of polymeric THIN COMPOSITE rete, and the grammes per square metre of described spunlace non-woven layer of cloth is 35 gram/square meters; To be that polyethylene film, PA membrane and polypropylene screen are three-layer co-extruded form polymer co-extrusion film, and its thickness is 10 μ m/15 μ m/10 μ m.Prepared automobile calash interior trim composite membrane grammes per square metre: 〉=60 gram/square meters; Oxygen gas permeability≤60cm 3/ (m 224 hours 0.1Mpa) (GB/T 19789-2005); Peel strength (N/25mm): more than 4 or material damage.
Embodiment 2
A kind of automobile calash interior trim composite membrane is composited according to a slurry point coating by one deck hydro-entangled non-woven fabric and one layer of polymeric THIN COMPOSITE rete, and described polymer co-extrusion film is a PA membrane and polypropylene screen is two-layer is co-extruded.Prepared automobile calash interior trim composite membrane grammes per square metre: 〉=50 gram/square meters; Oxygen gas permeability≤60cm 3/ (m 224 hours 0.1Mpa) (GB/T 19789-2005); Peel strength (N/25mm): more than 2 or material damage.
Embodiment 3
A kind of automobile calash interior trim composite membrane, be composited according to drenching embrane method by two-layer hydro-entangled non-woven fabric and one layer of polymeric THIN COMPOSITE rete, described polymer is arranged between the two-layer hydro-entangled non-woven fabric, and described polymer co-extrusion film is a PA membrane and polypropylene screen is two-layer is co-extruded.Prepared automobile calash interior trim composite membrane grammes per square metre: 〉=70 gram/square meters; Gas permeability≤80cm 3/ (m 224 hours 0.1Mpa) (GB/T 19789-2005); Peel strength (N/25mm): more than 4 or material damage.
Embodiment 4
A kind of automobile calash interior trim composite membrane, be composited according to heat viscosity method by one deck needle fabric and two layers of polymers THIN COMPOSITE rete, described nonwoven layer is arranged between the two layers of polymers layer, one layer of polymeric co-extrusion film is a PA membrane and polypropylene screen is two-layer is co-extruded, and another strata compound co-extrusion film is that polyethylene film and polypropylene screen are co-extruded.Prepared automobile calash interior trim composite membrane grammes per square metre: 〉=100 gram/square meters; Gas permeability≤60cm 3/ (m 224 hours 0.1Mpa) (GB/T 19789-2005); Peel strength (N/25mm): more than 5 or material damage.
Embodiment 5
A kind of automobile calash interior trim composite membrane, be composited according to drenching embrane method by one deck hydro-entangled non-woven fabric and one layer of polymeric THIN COMPOSITE rete, described polymer co-extrusion film is that polyethylene film/ethene-vinyl acetate thin layer/ethylene-vinyl alcohol copolymer film/ethene-vinyl acetate thin layer/polyethylene film five-layer co-squeezing forms.Prepared automobile calash interior trim composite membrane grammes per square metre: 〉=60 gram/square meters; Gas permeability≤5cm 3/ (m 224 hours 0.1Mpa) (GB/T19789-2005); Peel strength (N/25mm): more than 4 or material damage.
Embodiment 6
A kind of automobile calash interior trim composite membrane, be composited according to heat viscosity method by one deck hydro-entangled non-woven fabric and one layer of polymeric THIN COMPOSITE rete, described polymer co-extrusion film is that polyethylene film/polypropylene film/polyethylene terephthalate's film/polypropylene film/polyethylene film five-layer co-squeezing forms, and its each layer thickness is the prepared automobile calash interior trim composite membrane grammes per square metres of 15 μ m/8 μ m/15 μ m/8 μ m/15 μ m: 〉=60 gram/square meters; Gas permeability≤120cm 3/ (m 224 hours 0.1Mpa) (GB/T 19789-2005); Peel strength (N/25mm): more than 4 or material damage.
Embodiment 7
A kind of automobile calash, be composited according to heat viscosity method by one deck hydro-entangled non-woven fabric and one layer of polymeric THIN COMPOSITE rete, described polymer co-extrusion film is that polypropylene film/polyethylene film/polyvinylidene chloride film/polyethylene film/polypropylene film five-layer co-squeezing forms.Prepared automobile calash grammes per square metre: 〉=60 gram/square meters; Gas permeability≤5cm 3/ (m 224 hours 0.1Mpa) (GB/T 19789-2005); Peel strength (N/25mm): more than 4 or material damage.
Embodiment 8
A kind of automobile calash interior trim composite membrane is composited according to slurry point coating by one deck spun-bonded non-woven and one layer of polymeric THIN COMPOSITE rete, and the grammes per square metre of described spunbonded nonwoven layer of cloth is 100 gram/square meters, and thickness is 1200 μ m, percentage elongation; To be that polyethylene film, PA membrane and polyethylene film are three-layer co-extruded form polymer co-extrusion film, and its thickness is 5 μ m/20 μ m/15 μ m, and grammes per square metre is 10g/m 2, 15g/m 2, 10g/m 2Prepared automobile calash interior trim composite membrane grammes per square metre: 〉=150 gram/square meters, thickness are 1210 μ m.
Embodiment 9
A kind of automobile calash interior trim composite membrane, be composited according to slurry point coating by one deck hot rolling non-weaving cloth and two layers of polymers THIN COMPOSITE rete, described hot rolling non-weaving cloth is arranged in the middle of the two layers of polymers THIN COMPOSITE rete, the grammes per square metre of described hot rolling nonwoven layer is 50 gram/square meters, and thickness is 550 μ m; Ground floor polymer composite film layer is polypropylene screen, polyvinylidene chloride film and polyethylene film is three-layer co-extruded forms, and its thickness is 20 μ m/10 μ m/80 μ m, and grammes per square metre is 10g/m 2, 10g/m 2, 30g/m 2Second layer polymer composite film layer is that polypropylene screen, PETG film, polypropylene screen, polyethylene film are co-extruded for four layers, and its thickness is 30 μ m/10 μ m/50 μ m/100 μ m, and grammes per square metre is 10g/m 2, 5g/m 2, 20g/m 2, 90g/m 2Prepared automobile calash interior trim composite membrane grammes per square metre: 〉=190 gram/square meters, thickness are 700 μ m.
Embodiment 10
A kind of automobile calash interior trim composite membrane, be composited according to heat viscosity method by two-layer hydro-entangled non-woven fabric, one layer of polymeric THIN COMPOSITE rete, described hot rolling non-weaving cloth is arranged in the middle of the two layers of polymers THIN COMPOSITE rete, the grammes per square metre of described hot rolling nonwoven layer is 140 gram/square meters, and thickness is 1450 μ m; The polymer composite film layer is that film layer, ethene-vinyl acetate thin layer, polyamide film layer, ethene-vinyl acetate thin layer and film layer are co-extruded, each layer thickness is respectively 30 μ m/25 μ m/20 μ m/10 μ m/25 μ m, and grammes per square metre is respectively 5g/m 2, 5g/m 2, 5g/m 2, 5g/m 2, 10g/m 2Prepared automobile calash interior trim composite membrane grammes per square metre 〉=170 gram/square meters, thickness is 1550 μ m.
Embodiment 11
A kind of automobile calash interior trim composite membrane is composited according to heat viscosity method by one deck hydro-entangled non-woven fabric, one layer of polymeric THIN COMPOSITE rete, and the grammes per square metre of described hot rolling nonwoven layer is 100 gram/square meters, and thickness is 1300 μ m; The polymer composite film layer is that film layer, layer of polypropylene foil, polyvinyl alcohol film layer, layer of polypropylene foil and film layer are co-extruded, and each layer thickness is respectively 20 μ m/22 μ m/15 μ m/30 μ m/25 μ m, and grammes per square metre is respectively 5g/m 2, 15g/m 2, 2g/m 2, 15g/m 2, 10g/m 2Prepared automobile calash interior trim composite membrane grammes per square metre 〉=140 gram/square meters, thickness is 1400 μ m.
The polymer film layer of the non-weaving cloth of other any kind ofs and any kind of is all can arbitrary combination compound in the utility model claim scope, and nonwoven layer and polymer composite film layer also can carry out compound according to any complex method of claim.The thin polymer film layer thickness of non-weaving cloth and any one deck also can be chosen arbitrary value and the combination arbitrarily in the claim scope wantonly.This is novel because length is limit, and only specifically enumerates above-mentioned preferred compound mode.

Claims (15)

1. an automobile calash interior trim composite membrane is characterized in that, described automobile calash interior trim composite membrane comprises one deck nonwoven layer and one layer of polymeric THIN COMPOSITE rete at least at least.
2. automobile calash interior trim composite membrane according to claim 1 is characterized in that, described automobile calash interior trim composite membrane comprises one deck nonwoven layer and one layer of polymeric THIN COMPOSITE rete.
3. automobile calash interior trim composite membrane according to claim 1 is characterized in that, described automobile calash interior trim composite membrane is nonwoven layer and polymer film layer heat viscosity method, drenches embrane method, starches the compound automobile calash interior trim composite membrane of some coating.
4. automobile calash interior trim composite membrane according to claim 1 is characterized in that, described polymer composite film layer is the polymer composite film layer that the coextru-lamination of 2-5 strata compound film forms.
5. automobile calash interior trim composite membrane according to claim 1 is characterized in that, described nonwoven layer is hydro-entangled non-woven fabric, hot rolling non-weaving cloth or spun-bonded non-woven.
6. automobile calash interior trim composite membrane according to claim 4, it is characterized in that, at least comprise 1 layer of barrier polymer thin layer and 1 layer of heat bonding polymer film layer in the described polymer composite film layer, and described thin layer one deck outermost layer at least is the heat bonding polymer film layer, and carries out compound with nonwoven layer.
7. automobile calash interior trim composite membrane according to claim 6, it is characterized in that, the barrier polymer thin layer is selected from one or more in ethylene-vinyl alcohol copolymer thin layer, polyamide film layer, polyvinylidene chloride film layer and the polyethylene terephthalate's thin layer in the described polymer composite film layer, and the heat bonding polymer film layer is selected from film layer and/or layer of polypropylene foil.
8. automobile calash interior trim composite membrane according to claim 6, it is characterized in that, described polymer composite film layer is 3 strata compound thin layer coextru-laminations when forming, and described 3 strata compound thin layers are respectively film layer/polyamide film layer/film layer or film layer/ethylene-vinyl alcohol thin layer/film layer.
9. automobile calash interior trim composite membrane according to claim 6, it is characterized in that, described polymer composite film layer is 5 strata compound film coextru-laminations when forming, and described 5 strata compound thin layers are respectively film layer/ethene-vinyl acetate thin layer/polyamide film layer/ethene-vinyl acetate thin layer/film layer or film layer/layer of polypropylene foil/polyvinyl alcohol film layer/layer of polypropylene foil/film layer.
10. according to any described automobile calash interior trim composite membrane of claim 1~9, it is characterized in that the thickness 100-1600 μ m of described composite membrane, weight per unit area 15-200g/m 2
11. automobile calash interior trim composite membrane according to claim 10 is characterized in that, the thickness 150-1000 μ m of described composite membrane, weight per unit area 20-150g/m 2
12., it is characterized in that the thickness of nonwoven layer is 100-1500 μ m in the described composite membrane, weight per unit area 5-150g/m according to any described automobile calash interior trim composite membrane of claim 1~9 2Percentage elongation is 30%-70%; The described composite membrane wherein thickness of polymer composite film layer is 5-100 μ m, weight per unit area 5-150g/m 2
13. automobile calash interior trim composite membrane according to claim 12 is characterized in that, the described composite membrane wherein thickness of nonwoven layer is 150-1000 μ m, weight per unit area 5-100g/m 2Percentage elongation is greater than 40%-70%; The described composite membrane wherein thickness of polymer film layer is 15-100 μ m, weight per unit area 15-100g/m 2
14., it is characterized in that each layer thickness of polymer film layer is 5-100 μ m in the described composite membrane, weight per unit area 5-100g/m according to any described automobile calash interior trim composite membrane of claim 1~9 2
15. automobile calash interior trim composite membrane according to claim 14 is characterized in that, each layer thickness of polymer film layer is 10-80 μ m in the described composite membrane, weight per unit area 10-80g/m 2
CN2010205826161U 2010-10-28 2010-10-28 Composite film of interior of automobile roof Expired - Lifetime CN201979763U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103231557A (en) * 2013-04-02 2013-08-07 浙江联洋复合材料有限公司 Glass fiber reinforced nonwoven felt for automobile ceiling and manufacturing method thereof
CN103303211A (en) * 2013-06-13 2013-09-18 东莞市悠派户外用品制造有限公司 Method for manufacturing car roof by hand lay-up moulding process
CN105799294A (en) * 2016-03-11 2016-07-27 浙江理工大学 Manufacturing method of coating composite material for automotive interior

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103231557A (en) * 2013-04-02 2013-08-07 浙江联洋复合材料有限公司 Glass fiber reinforced nonwoven felt for automobile ceiling and manufacturing method thereof
CN103303211A (en) * 2013-06-13 2013-09-18 东莞市悠派户外用品制造有限公司 Method for manufacturing car roof by hand lay-up moulding process
CN103303211B (en) * 2013-06-13 2015-07-29 东莞市悠派智能展示科技有限公司 A kind of method utilizing manual pasting forming process to prepare Roof of vehicle
CN105799294A (en) * 2016-03-11 2016-07-27 浙江理工大学 Manufacturing method of coating composite material for automotive interior

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Granted publication date: 20110921

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