WO2015081662A1 - 汽车内饰用织物面料复合的吸声贴合面料及其制造方法 - Google Patents

汽车内饰用织物面料复合的吸声贴合面料及其制造方法 Download PDF

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Publication number
WO2015081662A1
WO2015081662A1 PCT/CN2014/077156 CN2014077156W WO2015081662A1 WO 2015081662 A1 WO2015081662 A1 WO 2015081662A1 CN 2014077156 W CN2014077156 W CN 2014077156W WO 2015081662 A1 WO2015081662 A1 WO 2015081662A1
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Prior art keywords
layer
fabric
film layer
sound
absorbing
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PCT/CN2014/077156
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English (en)
French (fr)
Inventor
张云
丁荣华
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常州市泛亚微透科技有限公司
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Publication of WO2015081662A1 publication Critical patent/WO2015081662A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/003—Interior finishings

Definitions

  • the invention relates to the field of sound absorbing and conforming fabrics, in particular to a sound absorbing and conforming fabric for a composite fabric for automobile interiors and a manufacturing method thereof.
  • each car consumes about 30 m 2 of fabric for automotive interiors.
  • the fabrics for automotive interiors are soft, comfortable, flexible, extensible, breathable, and have great potential for computer jacquard.
  • the characteristics of three-dimensional forming and weaving have increased in recent years.
  • Automotive interior fabrics are widely used in car seats, carpets, roof trims, door trims, curtains, seat belts, backings, tarpaulins, safety curtains, etc. due to their good extensibility and flexibility. Because of its soft touch, elegant and luxurious, and its longitudinal and lateral extension, it is not only beautiful for seat covers, but also has good breathability. It is the preferred material for mid-to-high-end automotive interior fabrics.
  • Traditional textiles require high comfort, economical and durable performance, and have higher requirements for safety and environmental protection such as antifouling, flame retardant, antistatic, easy to clean, and sun resistant.
  • the current automotive interior fabrics do not absorb the noise generated by the car's travel. The various frequency noises in the car cannot provide a quiet driving and riding environment, and increase the traffic accident caused by the car's noise and fatigue. Therefore, car noise plagues people to drive safely. Summary of the invention
  • the technical problem to be solved by the present invention is to provide a sound absorbing and conforming fabric for a composite fabric for an automobile interior and a manufacturing method thereof, which make an elegant and luxurious appearance of a fabric fabric for an automobile interior and a high suction of a microporous sound absorbing film layer.
  • the combination of acoustic performance makes this highly sound-absorbing automotive interior with a new fabric-fitting fabric Car seats, carpets, roof trims, door trims, curtains, seat belts, backings, tarpaulins, safety curtains, etc., which significantly absorb various frequency noise in the car and greatly reduce the noise inside the car.
  • the value, giving a quiet driving and riding environment will greatly reduce the traffic accident caused by car noise and fatigue driving.
  • one technical solution adopted by the present invention is to provide a sound absorbing and conforming fabric for a composite fabric for an automotive interior, comprising: a microporous sound absorbing film layer, a connecting layer and a fabric for automotive interiors.
  • the fabric layer, the sound absorbing and bonding fabric of the composite fabric of the automobile interior fabric is made by laminating the microporous sound absorbing film layer and the fabric layer for the automobile interior through the connecting layer.
  • the microporous sound absorbing film layer is an expanded polytetrafluoroethylene film layer or an expanded polytetrafluoroethylene modified film layer.
  • the connecting layer is a PU polyurethane adhesive bonding layer, a low melting point plastic hot melt micropowder fusion fusion layer or a low density gram weight non-woven thermal fusion bonding layer.
  • another technical solution for the present invention is to provide a method for manufacturing a sound absorbing and conforming fabric for a composite fabric for an automobile interior, comprising the following steps:
  • the automotive interior fabric layer and the microporous sound absorbing film layer are unwound, and a connecting layer is disposed on the microporous sound absorbing film layer, and the microporous sound absorbing film layer is attached to the automotive interior fabric layer through the connecting layer.
  • the manufacturing method includes the following steps:
  • the automotive interior fabric layer and the microporous sound absorbing film layer are unwound on the coater, and the connecting layer is coated on the microporous sound absorbing film layer with a coater roller, and then dried to form a microporous sound absorbing film.
  • the connecting layer on the layer is laminated on the fabric layer of the automotive interior for composite, hot pressing and drying, rolling up, room temperature ripening for more than 24 hours, unwinding, cutting and dividing, inspection, packaging.
  • the coating machine has a vehicle speed of 8-20 m/min, a drying temperature of 70 ° C to 100 ° C, and a hot pressing and drying temperature of 80 ° C to 100 ° C. .
  • the manufacturing method comprises the steps of: unwinding an automotive interior fabric layer and a microporous sound absorbing film layer on a heat sealing machine, and fabric layers in the automotive interior and The microporous sound absorbing film is sprayed or layered between the layers, so that the microporous sound absorbing film layer is laminated on the fabric layer of the automobile interior for recombination, the roller is hot-press welded, rolled up, matured at room temperature for more than 24 hours, unwinding, Trimming, testing, packaging.
  • the heat sealing machine has a speed of 8 to 20 m/min
  • the temperature of the hot-melt welding of the roller is 80 ° C - 270 ° C
  • the speed of the roller is 8 to 20 m / min.
  • the invention of the sound-absorbing and conforming fabric of the composite fabric of the automobile interior fabric combines the elegant and luxurious appearance of the fabric fabric for the automobile interior with the high sound absorption performance of the microporous sound absorbing film layer, so that the high sound absorption
  • the interior of the car is made of novel fabric-fitting fabrics for use in car seats, carpets, roof trims, door trims, curtains, seat belts, backings, tarpaulins, safety air, etc.
  • Various frequency noises greatly reduce the noise value inside the car, giving a quiet driving and riding environment, which will greatly reduce the traffic accident caused by the car noise fatigue driving.
  • the invention of the sound absorbing and conforming fabric of the composite microporous sound absorbing film layer of the automobile interior fabric makes the novel fabric have more significant and significant sound absorbing function, and changes the fabric fabric of the previous automobile interior only. The beauty of the decoration.
  • FIG. 1 is a composite fabric of a car interior fabric of the present invention.
  • the embodiment of the present invention includes: a sound absorbing and conforming composite fabric for a fabric fabric for an automobile interior, comprising: an expanded polytetrafluoroethylene film layer or an expanded polytetrafluoroethylene modified film layer.
  • the connecting layer 2 and the fabric layer 3 for the automotive interior fabric, the sound absorbing laminated fabric of the automotive interior fabric fabric is the expanded polytetrafluoroethylene film layer or the expanded polytetrafluoroethylene modified film layer 1
  • the fabric layer 3 for the automotive interior is composited by the joining layer 2.
  • the connecting layer 2 is a PU polyurethane adhesive bonding layer, a low melting point plastic hot melt micro powder fusion welding layer or a low density gram weight non-woven fabric hot fusion welding layer.
  • the expanded polytetrafluoroethylene film layer or the expanded polytetrafluoroethylene modified film layer 1 has a thickness of 10 to 200 ⁇ m, a porosity of 80 to 96%, and an average shaped aperture of 0.01 to 30 ⁇ m, which is about 1/5000 of the water droplet. -1/20000, 700 times larger than water vapor molecules, the surface of the membrane can reach several billion open pores per square inch. The pores are extremely small and irregularly curved and multi-layered, and the material is inserted into the surface. There are a large number of inter-opening micropores that open outward and have multiple layers of noise absorbing functions.
  • the sound absorbing mechanism of porous sound absorbing materials is to cause air vibration in the pores when sound waves are incident on the porous material. Due to the viscous resistance of friction and air, a part of the acoustic energy is converted into heat energy; in addition, the heat conduction between the air in the pores and the walls of the pores and the fibers also causes heat loss, which reduces the noise energy to reduce the noise decibel value.
  • the expanded pore size of the expanded polytetrafluoroethylene film or the expanded polytetrafluoroethylene modified film is 0.01 to 30 ⁇ m, and the air friction and air viscous resistance in the micro-aperture are further increased, and the acoustic energy is transmitted through the multilayer micropores.
  • the oscillation is reduced, so that the noise wave energy is more converted into heat energy, so that the noise within 100 ⁇ 10000 ⁇ is significantly reduced, and the material has a high sound absorption coefficient, thereby exhibiting excellent sound absorption and noise reduction capability.
  • the utility model relates to a composite sound absorbing fabric for automobile interior fabric, comprising: an expanded polytetrafluoroethylene film layer or an expanded polytetrafluoroethylene modified film layer 1, a connecting layer 2 and a fabric layer for automobile interiors 3, the connecting layer 2 is a PU polyurethane adhesive bonding layer, and the manufacturing method thereof specifically comprises the following steps: the automotive interior fabric layer 3 and the expanded polytetrafluoroethylene film layer or expanded polytetrafluoroethylene
  • the modified film layer 1 is unwound on a coater, and the speed of the coater is 8-20 m/min, and is used on the expanded polytetrafluoroethylene film layer or the expanded polytetrafluoroethylene modified film layer 1.
  • the coating machine roller is coated with PU polyurethane adhesive, and then dried, and the drying temperature is 70° C. to 100° C., and the connection of the expanded polytetrafluoroethylene film layer or the expanded polytetrafluoroethylene modified film layer 1 is performed.
  • Layer 2 is laminated on the fabric layer 3 of the automotive interior fabric for lamination, hot pressing and drying, hot pressing and drying temperature is 80 ° C ⁇ 100 ° C, rolled up, room temperature matured for more than 24 hours, unwinding, cutting edge Roll, inspection, packaging.
  • a sound absorbing fabric for composite fabrics for automotive interiors comprising: expanded PTFE thin ⁇ ⁇ ⁇ ⁇ , ...
  • the automotive interior fabric layer 3 and the expanded polytetrafluoroethylene film layer or the expanded polytetrafluoroethylene modified film layer 1 are unwound on a heat sealing machine, and the heat sealing machine has a speed of 8-20 m/min in the automobile interior.
  • the PTFE modified film layer 1 is laminated on the fabric layer 3 of the automotive interior fabric, and the roller is hot-melt welded.
  • the temperature of the hot-melt welding of the roller is 80°C ⁇ 270°C, and the speed of the roller is 8 ⁇ 20m/min. , rolled up, cooked at room temperature for more than 24 hours, unwinding, trimming, inspection, packaging.
  • the utility model relates to a composite sound absorbing fabric for automobile interior fabric, comprising: an expanded polytetrafluoroethylene film layer or an expanded polytetrafluoroethylene modified film layer 1, a connecting layer 2 and a fabric layer for automobile interiors 3, the connecting layer 2 is a low-density gram-weight non-woven fabric hot-melt welding layer, and the manufacturing method thereof specifically comprises the following steps:
  • the automotive interior fabric layer 3, the expanded polytetrafluoroethylene film layer or the expanded polytetrafluoroethylene modified film layer 1 and the low density gram weight non-woven fabric are unwound on the heat sealing machine, and the speed of the heat sealing machine is 8 ⁇ 20m/min, laying a low-density gram-weight non-woven fabric between the expanded polytetrafluoroethylene film layer or the expanded polytetrafluoroethylene modified film layer 1 and the automotive interior fabric layer 3, and the expanded polytetrafluoroethylene
  • the vinyl film layer or the expanded polytetrafluoroethylene modified film layer 1 and the low-density gram-weight non-woven fabric are laminated on the fabric layer of the automotive interior fabric, and the roller is hot-melt welded, and the temperature of the hot-melt welding of the roller is 80°. C ⁇ 270 °C, the speed of the roller is 8 ⁇ 20m/min, rolled up, matured at room temperature for more than 24 hours, unwinding, cutting and dividing
  • the invention relates to the invention of the sound absorbing and bonding fabric of the composite fabric of the automobile interior, which makes the automobile interior
  • the elegant and luxurious appearance of the fabric combines with the high sound absorption properties of the microporous sound absorbing film layer. Specific advantages include:
  • Sturdy, easy to use, easy to process, can be made into various shapes according to different needs and has a long service life.
  • the above is only the embodiment of the present invention, and thus does not limit the scope of the invention, and the equivalent structure or equivalent process transformation made by using the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, The same is included in the scope of patent protection of the present invention.

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  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Laminated Bodies (AREA)

Abstract

　本发明公开了一种汽车内饰用织物面料复合的吸声贴合面料及其制造方法，该吸声贴合面料包括：微孔吸声薄膜层、连接层和汽车内饰用织物面料层。其制造方法：将汽车内饰用织物面料层和微孔吸声薄膜层放卷，在微孔吸声薄膜层上设置连接层，将微孔吸声薄膜层通过连接层贴合汽车内饰用织物面料层上进行复合，热压，卷起，室温熟成，放卷，裁边分卷，检验，包装。通过上述方式，本发明使得这种高吸声的汽车内饰用新颖织物贴合面料在汽车座椅、车顶内饰、门饰、窗帘、安全带、背衬、安全气嚢等大量使用，从而明显吸收汽车内的各种频率噪音，极大地降低车内噪声值，给人一个宁静的驾驶和乘坐环境，将大大降低由于汽车噪音疲劳驾驶造成的交通事故发生。

Description

说 明 书
汽车内饰用织物面料复合的吸声贴合面料及其制造方法 技术领域
本发明涉及吸声贴合面料领域， 特别是涉及一种汽车内饰用织物面料复合 的吸声贴合面料及其制造方法。
背景技术
据统计， 每辆汽车耗用汽车内饰用织物面料大约为 30 m2, 汽车内饰用织物 面料具有柔软、 舒适、 弹性好、 延伸性大、 透气性好、 电脑提花潜力大， 以及 可以进行三维成形编织等特点， 近些年来市场所占的比例逐年上升。
汽车内饰用织物面料因其具有良好的延伸性和弹性而广泛应用在汽车座 椅、 地毯、 车顶内饰、 门饰、 窗帘、 安全带、 背衬、 篷盖布、 安全气嚢等。 因 其手感柔软、 高雅华贵， 且纵横向延伸性好， 用于座椅套时不仅美观， 而且具 有良好的透气性， 是中高档汽车内饰面料的优选材料， 汽车内饰用织物面料除 了具备传统纺织品要求的舒适美观、 经济耐用性能外， 还在防污、 阻燃、 抗静 电、 易清洁、 耐日晒等安全环保性能方面有更高的要求。 但是目前的汽车内饰 用织物面料不具有吸收汽车行进中产生的噪声问题， 汽车内的各种频率噪音， 无法提供一个宁静的驾驶和乘坐环境， 提高了由于汽车噪音疲劳驾驶造成的交 通事故发生， 所以汽车噪声困扰人们安全行车。 发明内容
本发明主要解决的技术问题是提供一种汽车内饰用织物面料复合的吸声贴 合面料及其制造方法， 使得汽车内饰用织物面料高雅华贵的外观与微孔吸声薄 膜层的高吸声性能相结合， 使得这种高吸声的汽车内饰用新颖织物贴合面料在 汽车座椅、 地毯、 车顶内饰、 门饰、 窗帘、 安全带、 背衬、 篷盖布、 安全气嚢 等大量使用， 从而明显吸收汽车内的各种频率噪音， 极大地降低车内噪声值， 给人一个宁静的驾驶和乘坐环境， 将大大降低由于汽车噪音疲劳驾驶造成的交 通事故发生。
为解决上述技术问题， 本发明釆用的一个技术方案是： 提供一种汽车内饰 用织物面料复合的吸声贴合面料， 包括： 微孔吸声薄膜层、 连接层和汽车内饰 用织物面料层， 汽车内饰用织物面料复合的吸声贴合面料是所述的微孔吸声薄 膜层和汽车内饰用织物面料层通过连接层复合制成。
在本发明一个较佳实施例中， 所述的微孔吸声薄膜层为膨体聚四氟乙烯薄 膜层或膨体聚四氟乙烯改性薄膜层。
在本发明一个较佳实施例中， 所述的连接层为 PU聚氨酯胶粘剂粘接层、低 熔点塑料热熔微粉熔融熔接层或低密度克重无纺布热熔熔接层。
为解决上述技术问题， 本发明釆用的另一个技术方案是： 提供一种汽车内 饰用织物面料复合的吸声贴合面料的制造方法， 包括以下步骤：
将汽车内饰用织物面料层和微孔吸声薄膜层放卷， 在微孔吸声薄膜层上设 置连接层， 将微孔吸声薄膜层通过连接层贴合汽车内饰用织物面料层上进行复 合， 热压， 卷起， 室温熟成大于 24小时， 放卷， 裁边分卷， 检验， 包装。
在本发明一个较佳实施例中， 所述的制造方法， 包括以下步骤：
将汽车内饰用织物面料层和微孔吸声薄膜层在涂布机上放卷， 在微孔吸声 薄膜层上用涂布机滚轮涂布连接层， 然后烘干， 将微孔吸声薄膜层上的连接层 贴合汽车内饰用织物面料层上进行复合， 热压兼干燥， 卷起， 室温熟成大于 24 小时， 放卷， 裁边分卷， 检验， 包装。 在本发明一个较佳实施例中，所述的涂布机的车速为 8~20m/min,烘干温度 为 70°C~100°C , 热压兼干燥温度为 80°C~100°C。 在本发明一个较佳实施例中， 所述的制造方法， 包括以下步骤： 将汽车内饰用织物面料层和微孔吸声薄膜层在热合机上放卷， 在汽车内饰 用织物面料层和微孔吸声薄膜层间喷洒或敷设连接层， 使微孔吸声薄膜层贴合 汽车内饰用织物面料层上进行复合， 滚轮热压熔接， 卷起， 室温熟成大于 24小 时， 放卷， 裁边分卷， 检验， 包装。 在本发明一个较佳实施例中，所述的热合机的车速 8~20m/min,滚轮热压熔 接的温度为 80 °C -270 °C , 滚轮的车速 8~20m/min。
本发明的有益效果是：
1、 汽车内饰用织物面料复合的吸声贴合面料的发明， 使得汽车内饰用织物 面料高雅华贵的外观与微孔吸声薄膜层的高吸声性能相结合， 使得这种高吸声 的汽车内饰用新颖织物贴合面料在汽车座椅、 地毯、 车顶内饰、 门饰、 窗帘、 安全带、 背衬、 篷盖布、 安全气嚢等大量使用， 从而明显吸收汽车内的各种频 率噪音， 极大地降低车内噪声值， 给人一个宁静的驾驶和乘坐环境， 将大大降 低由于汽车噪音疲劳驾驶造成的交通事故发生。
2、 汽车内饰用织物面料复合微孔吸声薄膜层的吸声贴合面料的发明， 使得 该新颖面料具有了更有意义的显著的吸音功能， 改变了以前汽车内饰用织物面 料仅有的装饰美的效果。
附图说明 为了更清楚地说明本发明实施例中的技术方案， 下面将对实施例描述中所 需要使用的附图作简单地介绍， 显而易见地， 下面描述中的附图仅仅是本发明 的一些实施例， 对于本领域普通技术人员来讲， 在不付出创造性劳动的前提下， 还可以根据这些附图获得其它的附图， 其中： 图 1 是本发明的汽车内饰用织物面料复合的吸声贴合面料一较佳实施例的 结构示意图； 附图中各部件的标记如下： 1、 膨体聚四氟乙烯薄膜层或膨体聚四氟乙烯改 性薄膜层， 2、 连接层， 3、 汽车内饰用织物面料层。 具体实施方式
下面将对本发明实施例中的技术方案进行清楚、 完整地描述， 显然， 所描 述的实施例仅是本发明的一部分实施例， 而不是全部的实施例。 基于本发明中 的实施例， 本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其 它实施例， 都属于本发明保护的范围。 请参阅图 1： 本发明实施例包括： 一种汽车内饰用织物面料复合的吸声贴合面料， 包括： 膨体聚四氟乙烯薄 膜层或膨体聚四氟乙烯改性薄膜层 1、 连接层 2和汽车内饰用织物面料层 3 , 汽 车内饰用织物面料复合的吸声贴合面料是所述的膨体聚四氟乙烯薄膜层或膨体 聚四氟乙烯改性薄膜层 1和汽车内饰用织物面料层 3通过连接层 2复合制成。 本发明中， 所述的连接层 2为 PU聚氨酯胶粘剂粘接层、低熔点塑料热熔微 粉熔融熔接层或低密度克重无纺布热熔熔接层。
膨体聚四氟乙烯薄膜层或膨体聚四氟乙烯改性薄膜层 1 的厚度为 10~200μπι , 孔隙率为 80~96% , 平均异形孔径为 0.01~30μπι , 约为水滴的 1/5000-1/20000, 比水蒸气分子大 700倍， 膜表面每平方英寸能达到几十亿个向 外敞开的微孔， 该孔极度细小和不规则的弯曲错层多层排列， 材料由表入内有 大量的、 互相贯通的、 向外敞开的微孔， 具有多层吸收噪音的功能。 膨体聚四氟乙烯薄膜层或膨体聚四氟乙烯改性薄膜层 1 和汽车内饰用织物 面料层 3 复合后， 明显吸收汽车内的各种频率噪音， 极大地降低车内噪声值。 微孔吸声材料吸声机理和频谱特性： 多孔吸声材料的吸声机理是当声波入射到 多孔材料时， 引起孔隙中的空气振动。 由于摩擦和空气的粘滞阻力， 使一部分 声能转变成热能； 此外， 孔隙中的空气与孔壁、 纤维之间的热传导， 也会引起 热损失， 使声能衰减降低噪音分贝值。 尤其是膨体聚四氟乙烯薄膜或膨体聚四 氟乙烯改性薄膜的微孔径在 0.01~30μπι,微孔径内空气摩擦和空气的粘滞阻力进 一步加大， 经多层微孔将声波能量振荡删减， 使得噪声波能量更多的转化为热 能， 使得 100Ηζ~10000 Ηζ内的噪声明显降低， 该材料吸声系数高， 从而表现出 优异的吸音降噪能力。
实施例 1
一种汽车内饰用织物面料复合的吸声贴合面料， 包括： 膨体聚四氟乙烯薄 膜层或膨体聚四氟乙烯改性薄膜层 1、 连接层 2和汽车内饰用织物面料层 3 , 所 述的连接层 2为 PU聚氨酯胶粘剂粘接层， 其制造的方法具体包括以下步骤： 将汽车内饰用织物面料层 3 和膨体聚四氟乙烯薄膜层或膨体聚四氟乙烯改 性薄膜层 1在涂布机上放卷，所述的涂布机的车速为 8~20m/min,在膨体聚四氟 乙烯薄膜层或膨体聚四氟乙烯改性薄膜层 1上用涂布机滚轮涂布 PU聚氨酯胶粘 剂， 然后烘干， 烘干温度为 70°C~100°C , 将膨体聚四氟乙烯薄膜层或膨体聚四 氟乙烯改性薄膜层 1上的连接层 2贴合汽车内饰用织物面料层 3上进行复合， 热压兼干燥， 热压兼干燥温度为 80°C~100°C , 卷起， 室温熟成大于 24小时， 放 卷， 裁边分卷， 检验， 包装。
实施例 2
一种汽车内饰用织物面料复合的吸声贴合面料， 包括： 膨体聚四氟乙烯薄 ^ ^ ^ ^ , …
膜层或膨体聚四氟乙烯改性薄膜层 1、 连接层 2和汽车内 用织物面料层 3 , 所 述的连接层 2 为低熔点塑料热熔微粉熔融熔接层， 其制造的方法具体包括以下 步骤：
将汽车内饰用织物面料层 3 和膨体聚四氟乙烯薄膜层或膨体聚四氟乙烯改 性薄膜层 1在热合机上放卷，热合机的车速 8~20m/min,在汽车内饰用织物面料 层 3和膨体聚四氟乙烯薄膜层或膨体聚四氟乙烯改性薄膜层间 1喷洒热熔低熔 点塑料热熔微粉， 使膨体聚四氟乙烯薄膜层或膨体聚四氟乙烯改性薄膜层 1 贴 合汽车内饰用织物面料层 3 上进行复合， 滚轮热压熔接， 滚轮热压熔接的温度 为 80°C~270°C , 滚轮的车速 8~20m/min, 卷起， 室温熟成大于 24小时， 放卷， 裁边分卷， 检验， 包装。
实施例 3
一种汽车内饰用织物面料复合的吸声贴合面料， 包括： 膨体聚四氟乙烯薄 膜层或膨体聚四氟乙烯改性薄膜层 1、 连接层 2和汽车内饰用织物面料层 3 , 所 述的连接层 2 为低密度克重无纺布热熔熔接层， 其制造的方法具体包括以下步 骤：
将汽车内饰用织物面料层 3、膨体聚四氟乙烯薄膜层或膨体聚四氟乙烯改性 薄膜层 1和低密度克重无纺布在热合机上放卷，热合机的车速 8~20m/min,在膨 体聚四氟乙烯薄膜层或膨体聚四氟乙烯改性薄膜层 1和汽车内饰用织物面料层 3 间敷设低密度克重无纺布， 将膨体聚四氟乙烯薄膜层或膨体聚四氟乙烯改性薄 膜层 1 和低密度克重无纺布贴合汽车内饰用织物面料层上进行复合， 滚轮热压 熔接， 滚轮热压熔接的温度为 80°C~270 °C , 滚轮的车速 8~20m/min, 卷起， 室 温熟成大于 24小时， 放卷， 裁边分卷， 检验， 包装。
本发明汽车内饰用织物面料复合的吸声贴合面料的发明， 使得汽车内饰用 织物面料高雅华贵的外观与微孔吸声薄膜层的高吸声性能相结合， 具体优点包 括：
1 )使得这种高吸声的汽车内饰用新颖织物贴合面料在汽车座椅、 地毯、 车 顶内饰、 门饰、 窗帘、 安全带、 背衬、 篷盖布、 安全气嚢等大量使用， 从而明 显吸收汽车内的各种频率噪音， 极大地降低车内噪声值， 给人一个宁静的驾驶 和乘坐环境， 将大大降低由于汽车噪音疲劳驾驶造成的交通事故发生；
2 )汽车内饰用织物面料复合微孔吸声薄膜层的吸声贴合面料的发明， 使得 该新颖面料具有了更有意义的显著的吸音功能， 改变了以前汽车内饰用织物面 料仅有的装饰美的效果；
3 )无味， 不释放曱醛等任何有害物质；
4 )抗老化、 耐磨、 耐水洗、 永不变形、 手感柔软、 滑爽；
5 ) 不会腐烂， 能抵御各种微生物、 真菌、 酸、 盐和碳氢化合物的腐蚀；
6 ) 防水、 防潮、 透气性能良好；
7 )环保产品， 可回收利用；
8 ) 变形回弹率高；
9 ) 坚固、 好用， 极易加工， 可根据不同需要制成各种形状使用寿命长。 以上所述仅为本发明的实施例， 并非因此限制本发明的专利范围， 凡是利 用本发明说明书内容所作的等效结构或等效流程变换， 或直接或间接运用在其 它相关的技术领域， 均同理包括在本发明的专利保护范围内。

Claims

权 利 要 求 书
1、 一种汽车内饰用织物面料复合的吸声贴合面料， 其特征在于， 包括： 微 孔吸声薄膜层、 连接层和汽车内饰用织物面料层， 汽车内饰用织物面料复合的 吸声贴合面料是所述的微孔吸声薄膜层和汽车内饰用织物面料层通过连接层复 合制成。
2、 根据权利要求 1所述的汽车内饰用织物面料复合的吸声贴合面料， 其特 征在于， 所述的微孔吸声薄膜层为膨体聚四氟乙烯薄膜层或膨体聚四氟乙烯改 性薄膜层。
3、 根据权利要求 1所述的汽车内饰用织物面料复合的吸声贴合面料， 其特 征在于， 所述的连接层为 PU聚氨酯胶粘剂粘接层、低熔点塑料热熔微粉熔融熔 接层或低密度克重无纺布热熔熔接层。
4、 根据权利要求 1所述的吸声贴合面料的制造方法， 其特征在于， 包括以 下步骤：
将汽车内饰用织物面料层和微孔吸声薄膜层放卷， 在微孔吸声薄膜层上设 置连接层， 将微孔吸声薄膜层通过连接层贴合汽车内饰用织物面料层上进行复 合， 热压， 卷起， 室温熟成大于 24小时， 放卷， 裁边分卷， 检验， 包装。
5、 根据权利要求 4所述的制造方法， 其特征在于， 包括以下步骤： 将汽车内饰用织物面料层和微孔吸声薄膜层在涂布机上放卷， 在微孔吸声 薄膜层上用涂布机滚轮涂布连接层， 然后烘干， 将微孔吸声薄膜层上的连接层 贴合汽车内饰用织物面料层上进行复合， 热压兼干燥， 卷起， 室温熟成大于 24 小时， 放卷， 裁边分卷， 检验， 包装。
6、 根据权利要求 5所述的制造方法， 其特征在于， 所述的涂布机的车速为 8~20m/min, 烘干温度为 70 °C~100°C , 热压兼干燥温度为 80 °C~100°C。
7、 根据权利要求 4所述的制造方法， 其特征在于， 包括以下步骤： 将汽车内饰用织物面料层和微孔吸声薄膜层在热合机上放卷， 在汽车内饰 用织物面料层和微孔吸声薄膜层间喷洒或敷设连接层， 使微孔吸声薄膜层贴合 汽车内饰用织物面料层上进行复合， 滚轮热压熔接， 卷起， 室温熟成大于 24小 时， 放卷， 裁边分卷， 检验， 包装。
8、 根据权利要求 7 所述的制造方法， 其特征在于， 所述的热合机的车速 8~20m/min, 滚轮热压熔接的温度为 80 °C~270 °C , 滚轮的车速 8~20m/min。
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