WO2015081661A1 - 汽车内饰用非织造布复合的吸声贴合面料及其制造方法 - Google Patents

汽车内饰用非织造布复合的吸声贴合面料及其制造方法 Download PDF

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Publication number
WO2015081661A1
WO2015081661A1 PCT/CN2014/077153 CN2014077153W WO2015081661A1 WO 2015081661 A1 WO2015081661 A1 WO 2015081661A1 CN 2014077153 W CN2014077153 W CN 2014077153W WO 2015081661 A1 WO2015081661 A1 WO 2015081661A1
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Prior art keywords
layer
film layer
sound
absorbing
woven fabric
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PCT/CN2014/077153
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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 WO2015081661A1 publication Critical patent/WO2015081661A1/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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • 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 present invention relates to the field of sound absorbing and conforming fabrics, and more particularly to a sound absorbing and conforming fabric for a composite fabric for automotive interiors and a method for manufacturing the same. Background technique
  • non-woven fabrics in automobiles are increasing. As a new type of textiles, non-woven fabrics have won the market due to their low production cost and excellent performance. They have been able to replace or even exceed in many industrial applications. Traditional woven and knitted fabrics. In automobiles, non-woven fabrics can meet the needs of different purposes. Each foreign car consumes about 20m 2 of non-woven fabrics, including cushioning materials, covering materials, and filtering materials. Moreover, the number of applications of non-woven fabrics in automobiles is increasing. According to incomplete statistics, the number of non-woven fabrics used in the automotive industry is nearly 20 million m 2 per year, about 30,000 tons, and more than 130 varieties and specifications. The application of non-woven fabrics in the automotive industry accounts for about 20% of the total non-woven fabrics in China.
  • Non-woven fabrics for automotive interiors are widely used in car seats, carpets, roof trims, door trims, curtains, seat belts, backings, tarpaulins, cushioning materials, etc. due to their good extensibility and elasticity. Covering materials, filter materials, etc. Because it is soft, elegant and luxurious, and has good longitudinal and lateral extension, it is not only beautiful for the seat cover, but also has good breathability. It is the preferred material for medium and high-grade automotive interior fabrics, except for automotive interior nonwovens. In addition to the comfortable, beautiful, economical and durable performance required by traditional textiles, it has higher requirements for safety and environmental protection such as antifouling, flame retardant, antistatic, easy cleaning and sun exposure.
  • the technical problem to be solved by the present invention is to provide a sound absorbing and conforming composite fabric for a nonwoven fabric for an automobile interior and a manufacturing method thereof, and a composite microporous sound absorbing film layer for a nonwoven fabric for an automobile interior will obviously absorb the automobile.
  • one technical solution adopted by the present invention is to provide a sound absorbing and bonding fabric for a composite fabric for automotive interior, comprising: a microporous sound absorbing film layer, a connecting layer and an automobile interior.
  • the nonwoven fabric layer, the microporous sound absorbing film layer is bonded to the at least one surface of the nonwoven fabric layer for automotive interiors through a 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 adopted by the present invention is to provide a method for manufacturing a sound absorbing and conforming fabric for a composite of a nonwoven fabric for an automobile interior, comprising the following steps: a nonwoven fabric layer for an automotive interior And unwinding the microporous sound absorbing film layer, providing a connecting layer on the microporous sound absorbing film layer, and laminating the microporous sound absorbing film layer on at least one surface of the automotive interior nonwoven layer through the connecting layer, Hot pressing, rolling up, aging at room temperature for more than 24 hours, unwinding, trimming, inspection, packaging.
  • the manufacturing method comprises the steps of: unwinding the automotive interior nonwoven layer and the microporous sound absorbing film layer on the coating machine, and absorbing sound in the micro hole
  • the connecting layer is coated on the film layer with a coater roller, and then dried, and the connecting layer on the microporous sound absorbing film layer is laminated on at least one surface of the nonwoven fabric layer for automobile interior to be composited, hot pressed and dried. , rolled up, cooked at room temperature for more than 24 hours, unwinding, trimming, 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 a non-woven fabric layer for a car interior and a microporous sound absorbing film layer on a heat sealing machine, and a nonwoven fabric for an automotive interior.
  • 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 composite sound-absorbing fabric of the non-woven fabric for automotive interiors of the present invention will obviously absorb various frequency noises in the automobile, greatly reduce the noise value inside the vehicle, and give a quiet driving and riding environment, which will be greatly reduced. Traffic accidents caused by car noise fatigue driving.
  • FIG. 1 is a composite of the automotive interior nonwoven fabric of the present invention.
  • 2 is a schematic structural view of a preferred embodiment of the sound absorbing adhesive fabric;
  • FIG. 2 is a schematic structural view of another preferred embodiment of the sound absorbing adhesive composite fabric of the automotive interior nonwoven fabric of the present invention; Marked as follows: 1. Expanded polytetrafluoroethylene film layer or expanded polytetrafluoroethylene modified film layer, 2. Connecting layer, 3. Non-woven fabric layer for automotive interior. detailed description
  • an embodiment of the present invention includes: a sound absorbing and conforming composite fabric for a nonwoven fabric for an automotive interior, comprising: an expanded polytetrafluoroethylene film layer or an expanded polytetrafluoroethylene modified a film layer 1, a connecting layer 2, and a nonwoven fabric layer 3 for an automotive interior, which is bonded to the expanded polytetrafluoroethylene through the connecting layer 2 on at least one surface of the nonwoven fabric layer 3 for an automotive interior.
  • 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, and the surface of the membrane can reach several billions per square inch.
  • the open micropores are arranged in a multi-layered array of extremely small and irregular curved staggered layers.
  • the material has a large number of interpenetrating, open-opening micropores in the surface, and has a multi-layer function of absorbing noise.
  • 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 causes heat loss, which attenuates the sound energy and reduces 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.
  • Embodiment 1 As shown in FIG. 1,
  • a sound absorbing and conforming composite fabric for a non-woven fabric for automotive interiors comprising: an expanded polytetrafluoroethylene film layer or an expanded polytetrafluoroethylene modified film layer 1, a connecting layer 2 and a nonwoven for automotive interiors
  • the cloth layer 3, the connecting layer 2 is a PU polyurethane adhesive bonding layer, and the manufacturing method thereof comprises the following steps: laminating the automotive interior non-woven fabric layer 3 and the expanded polytetrafluoroethylene film layer or expanding body
  • the tetrafluoroethylene modified film layer 1 is unwound on a coater, and the speed of the coater is 8-20 m/min, in an expanded polytetrafluoroethylene film layer or an expanded polytetrafluoroethylene modified film layer.
  • Embodiment 1 Apply PU polyurethane adhesive with coating machine roller, then dry, drying temperature is 70 ° C ⁇ 100 ° C, the expanded polytetrafluoroethylene film layer or expanded polytetrafluoroethylene modified film layer 1
  • the upper connecting layer 2 is laminated on the upper surface of the nonwoven fabric layer 3 for automotive interiors, and is hot-pressed and dried.
  • the hot pressing and drying temperature is 80 ° C to 100 ° C, rolled up, and the room temperature is matured for more than 24 hours. , unwinding, trimming, inspection, packaging.
  • Embodiment 2 As shown in FIG. 1,
  • a sound absorbing and conforming composite fabric for a non-woven fabric for automotive interiors comprising: an expanded polytetrafluoroethylene film layer or an expanded polytetrafluoroethylene modified film layer 1, a connecting layer 2 and a nonwoven for automotive interiors
  • the cloth layer 3, the connecting layer 2 is a low melting point plastic hot melt micropowder fusion welding layer, and the manufacturing method thereof comprises the following steps:
  • the automotive interior non-woven 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.
  • the non-woven fabric layer 3 and the expanded polytetrafluoroethylene film layer or the expanded polytetrafluoroethylene modified film layer are sprayed with a hot-melt low-melting plastic hot-melt fine powder to make the expanded polytetrafluoroethylene film layer or swell.
  • the body of the PTFE modified film layer 1 is laminated on the upper surface of the nonwoven fabric layer 3 for automotive interior, and the roller is hot-press welded, and the temperature of the hot-melt welding of the roller is 80 ° C to 270 ° C.
  • the speed is 8 ⁇ 20m/min, rolled up, cooked at room temperature for more than 24 hours, unwinding, trimming, inspection, packaging.
  • Embodiment 3 As shown in FIG. 1,
  • a sound absorbing and conforming composite fabric for a non-woven fabric for automotive interiors comprising: an expanded polytetrafluoroethylene film layer or an expanded polytetrafluoroethylene modified film layer 1, a connecting layer 2 and a nonwoven for automotive interiors
  • the cloth layer 3 the connecting layer 2 is a low-density gram-weight non-woven fabric hot-melt welding layer, and the manufacturing method thereof comprises the following steps:
  • the automotive interior non-woven 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 a 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 non-woven fabric layer 3
  • the tetrafluoroethylene film layer or the expanded polytetrafluoroethylene modified film layer 1 and the low-density gram-weight non-woven fabric are laminated on the upper surface of the nonwoven fabric layer for automobile interior, and the roller is hot-press welded, and the roller is hot pressed.
  • the welding temperature is 80 ° C ⁇ 270 ° C
  • the speed of the roller is 8 ⁇ 20 m / min
  • Embodiment 4 As shown in FIG. 2,
  • a sound absorbing and conforming composite fabric for a non-woven fabric for automotive interiors comprising: an expanded polytetrafluoroethylene film layer or an expanded polytetrafluoroethylene modified film layer 1, a connecting layer 2 and a nonwoven for automotive interiors
  • the cloth layer 3, the connecting layer 2 is a PU polyurethane adhesive bonding layer, and the manufacturing method thereof comprises the following steps: laminating the automotive interior non-woven fabric layer 3 and the expanded polytetrafluoroethylene film layer or expanding body
  • the tetrafluoroethylene modified film layer 1 is unwound on a coater, and the speed of the coater is 8-20 m/min, in an expanded polytetrafluoroethylene film layer or an expanded polytetrafluoroethylene modified film layer.
  • Embodiment 5 As shown in FIG. 2,
  • a sound absorbing and conforming composite fabric for a non-woven fabric for automotive interiors comprising: an expanded polytetrafluoroethylene film layer or an expanded polytetrafluoroethylene modified film layer 1, a connecting layer 2 and a nonwoven for automotive interiors
  • the cloth layer 3, the connecting layer 2 is a low melting point plastic hot melt micropowder fusion welding layer, and the manufacturing method thereof comprises the following steps:
  • the automotive interior non-woven 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.
  • the non-woven fabric layer 3 and the expanded polytetrafluoroethylene film layer or the expanded polytetrafluoroethylene modified film layer are sprayed with a hot-melt low-melting plastic hot-melt fine powder to make the expanded polytetrafluoroethylene film layer or swell.
  • the body polytetrafluoroethylene modified film layer 1 is laminated on the upper and lower surfaces of the nonwoven fabric layer 3 for automotive interiors, and the rollers are hot-press welded, and the rollers are hot pressed.
  • the welding temperature is 80 °C ⁇ 270 °C
  • the speed of the roller is 8 ⁇ 20m/min, rolled up, the room temperature is matured for more than 24 hours, unwinding, cutting and dividing, inspection, packaging.
  • Embodiment 6 As shown in FIG. 2,
  • a sound absorbing and conforming composite fabric for a non-woven fabric for automotive interiors comprising: an expanded polytetrafluoroethylene film layer or an expanded polytetrafluoroethylene modified film layer 1, a connecting layer 2 and a nonwoven for automotive interiors
  • the cloth layer 3 the connecting layer 2 is a low-density gram-weight non-woven fabric hot-melt welding layer, and the manufacturing method thereof comprises the following steps:
  • the automotive interior non-woven 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 a 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 non-woven fabric layer 3
  • the tetrafluoroethylene film layer or the expanded polytetrafluoroethylene modified film layer 1 and the low-density gram-weight non-woven fabric are laminated on the upper and lower surfaces of the automotive interior nonwoven fabric layer, the roller is hot-press welded, and the roller is hot pressed.
  • the welding temperature is 80 °C ⁇ 270 °C
  • the speed of the roller is 8 ⁇ 20m/min, rolled up, the room temperature is mature
  • the invention relates to a sound absorbing and conforming fabric of a nonwoven fabric for automobile interior, which combines the nonwoven fabric of the automobile interior with the high sound absorbing performance of the microporous sound absorbing film layer, and the specific advantages include: noise, greatly Reducing the noise level inside the car, giving a quiet driving and riding environment, will greatly reduce the traffic accident caused by the car noise fatigue driving;

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Laminated Bodies (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

　本发明公开了一种汽车内饰用非织造布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非织造布层。其制造方法：将汽车内饰用非织造布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非织造布层的至少一个表面上进行复合，热压，卷起，室温熟成，放卷，裁边分卷，检验，包装。通过上述方式，本发明将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。本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非织造布仅有的装饰美的效果。

Description

汽车内饰用非织造布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非织造布复合 的吸声贴合面料及其制造方法。 背景技术
非织造布在汽车上的应用不断增加， 非织造布作为一种新型纺织品以其较 低的生产成本、 优良的性能为自己争得了应有的市场， 在很多产业应用领域已 完全能代替甚至超过传统的机织物和针织物。 在汽车上， 非织造布更是能满足 不同用途的需要， 国外每辆轿车要消耗 20m2左右的非织造布， 包括衬垫材料、 覆盖材料、 过滤材料等。 并且非织造布在汽车上的应用数量不断增加， 据不完 全统计， 目前非织造布每年用于汽车工业的数量近 2000万 m2, 约 3万吨， 品种 规格 130多个。 我国非织造布在汽车工业的应用量约占全国非织造布总量的 20
%。 汽车内饰用非织造布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、 衬垫材料、 覆盖 材料、 过滤材料等。 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， 汽车内饰用非织造布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。 但是由于汽车内饰用非织造布的吸声系数常小于 0.2, 目前的汽车内饰用非织造 布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非织造布复合的吸声贴 合面料及其制造方法， 汽车内饰用非织造布复合微孔吸声薄膜层将明显吸收汽 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 用非织造布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 用非织造布层， 所述的汽车内饰用非织造布层的至少一个表面上通过连接层贴 合所述的微孔吸声薄膜层。 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 饰用非织造布复合的吸声贴合面料制造方法， 包括以下步骤： 将汽车内饰用非织造布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非织造布层的至少一 个表面上进行复合， 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： 将汽车内饰用非织造布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 贴合汽车内饰用非织造布层的至少一个表面上进行复合， 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： 将汽车内饰用非织造布层和微孔吸声薄膜层在热合机上放卷， 在汽车内饰 用非织造布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 汽车内饰用非织造布层的至少一个表面上进行复合， 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、 本发明汽车内饰用非织造布复合的吸声贴合面料将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、 本发明汽车内饰用非织造布复合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非织造布仅有的 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 是本发明汽车内饰用非织造布复合的吸声贴合面料一较佳实施例的结 构示意图； 图 2是本发明汽车内饰用非织造布复合的吸声贴合面料另一较佳实施例的 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、 汽车内饰用非织造布层。 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、 图 2 , 本发明实施例包括： 一种汽车内饰用非织造布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和汽车内饰用非织造布层 3 , 所 述的汽车内饰用非织造布层 3的至少一个表面上通过连接层 2贴合所述的膨体 聚四氟乙烯薄膜层或膨体聚四氟乙烯改性薄膜层 1。 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 和汽车内饰用非织 造布层 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 : 如图 1所示，
一种汽车内饰用非织造布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和汽车内饰用非织造布层 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： 将汽车内饰用非织造布层 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贴合汽车内饰用非织造布层 3的上表面上进 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: 如图 1所示，
一种汽车内饰用非织造布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和汽车内饰用非织造布层 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：
将汽车内饰用非织造布层 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,在汽车内饰用非织造布 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 合汽车内饰用非织造布层 3 的上表面上进行复合， 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: 如图 1所示，
一种汽车内饰用非织造布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和汽车内饰用非织造布层 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：
将汽车内饰用非织造布层 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和汽车内饰用非织造布层 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非织造布层的上表面上进行复合， 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 4: 如图 2所示，
一种汽车内饰用非织造布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和汽车内饰用非织造布层 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： 将汽车内饰用非织造布层 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贴合汽车内饰用非织造布层 3的上下表面上 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 5: 如图 2所示，
一种汽车内饰用非织造布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和汽车内饰用非织造布层 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：
将汽车内饰用非织造布层 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,在汽车内饰用非织造布 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 合汽车内饰用非织造布层 3 的上下表面上进行复合， 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 6: 如图 2所示，
一种汽车内饰用非织造布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和汽车内饰用非织造布层 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：
将汽车内饰用非织造布层 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和汽车内饰用非织造布层 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非织造布层的上下表面上进行复合， 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。
本发明汽车内饰用非织造布复合的吸声贴合面料的发明， 使得汽车内饰用 非织造布与微孔吸声薄膜层的高吸声性能相结合， 具体优点包括： 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 )汽车内饰用非织造布复合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非织造布仅有的装饰美 的效果， 该新颖复合材料的推广应用将极大地吸收降低汽车和轨道交通设备内 的噪音；
3)无味， 不释放曱醛等任何有害物质；
4)抗老化、 耐磨、 耐水洗、 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、 一种汽车内饰用非织造布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非织造布层， 所述的汽车内饰用非织造布 层的至少一个表面上通过连接层贴合所述的微孔吸声薄膜层。
2、 根据权利要求 1所述的汽车内饰用非织造布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所述的汽车内饰用非织造布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：
将汽车内饰用非织造布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非织造布层的至少一 个表面上进行复合， 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： 将汽车内饰用非织造布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 贴合汽车内饰用非织造布层的至少一个表面上进行复合， 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： 将汽车内饰用非织造布层和微孔吸声薄膜层在热合机上放卷， 在汽车内饰 用非织造布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 汽车内饰用非织造布层的至少一个表面上进行复合， 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。
PCT/CN2014/077153 2013-12-03 2014-05-09 汽车内饰用非织造布复合的吸声贴合面料及其制造方法 WO2015081661A1 (zh)

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Publication number Priority date Publication date Assignee Title
CN103660474A (zh) * 2013-12-03 2014-03-26 常州市泛亚微透科技有限公司 汽车内饰用非织造布复合的吸声贴合面料及其制造方法
CN108749235B (zh) * 2018-05-06 2020-02-14 湖北鱼鹤制衣有限公司 一种聚四氟乙烯夹层超疏水吸音针刺非织造纺织复合材料及其制备方法
CN109130340A (zh) * 2018-07-20 2019-01-04 无锡吉兴汽车声学部件科技有限公司 一种吸音降噪装饰板及其制备方法和应用
US11120783B2 (en) * 2018-09-07 2021-09-14 GM Global Technology Operations LLC Composite article for mitigating noise, vibration, and harshness

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200964491Y (zh) * 2006-09-30 2007-10-24 刘首珍 一种含透气薄膜的复合无纺布
CN202640854U (zh) * 2012-02-14 2013-01-02 常州市泛亚微透科技有限公司 一种用于汽车电器设备的防水透气膜
CN103342029A (zh) * 2013-07-23 2013-10-09 常州市泛亚微透科技有限公司 高吸声系数的膨体聚四氟乙烯复合纤维棉
CN103660474A (zh) * 2013-12-03 2014-03-26 常州市泛亚微透科技有限公司 汽车内饰用非织造布复合的吸声贴合面料及其制造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02258248A (ja) * 1989-03-30 1990-10-19 Nitto Denko Corp 膜構造材料およびその製造法
US6893711B2 (en) * 2002-08-05 2005-05-17 Kimberly-Clark Worldwide, Inc. Acoustical insulation material containing fine thermoplastic fibers
CN202422724U (zh) * 2011-12-22 2012-09-05 常州市泛亚微透科技有限公司 全频吸音棉
CN103177719B (zh) * 2011-12-22 2015-12-02 常州市泛亚微透科技有限公司 全频吸音棉

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200964491Y (zh) * 2006-09-30 2007-10-24 刘首珍 一种含透气薄膜的复合无纺布
CN202640854U (zh) * 2012-02-14 2013-01-02 常州市泛亚微透科技有限公司 一种用于汽车电器设备的防水透气膜
CN103342029A (zh) * 2013-07-23 2013-10-09 常州市泛亚微透科技有限公司 高吸声系数的膨体聚四氟乙烯复合纤维棉
CN103660474A (zh) * 2013-12-03 2014-03-26 常州市泛亚微透科技有限公司 汽车内饰用非织造布复合的吸声贴合面料及其制造方法

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