CN100400335C - 用于交通工具的地毯及其制备方法 - Google Patents
用于交通工具的地毯及其制备方法 Download PDFInfo
- Publication number
- CN100400335C CN100400335C CNB021583633A CN02158363A CN100400335C CN 100400335 C CN100400335 C CN 100400335C CN B021583633 A CNB021583633 A CN B021583633A CN 02158363 A CN02158363 A CN 02158363A CN 100400335 C CN100400335 C CN 100400335C
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- China
- Prior art keywords
- thermoplastic resin
- carpet
- resin powder
- powder
- vehicle carpet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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Abstract
通过将热塑性树脂粉末熔融而制成的透气性粘合剂树脂层(4),将上表面层(2)和非织造织物吸声层(3)整体固定,整个地毯(1)的厚度方向透气性为1-50cm3/cm2·秒。其可有效地吸收从上侧经过室顶,门和窗户进入的噪声以及来自下侧的噪声。可以通过如下方式制造地毯:在上表面构件上散布热塑性树脂粉末;将热塑性树脂粉末加热成熔融热塑性粉末;通过熔融热塑性树脂将非织造织物放置在上表面构件上;和在层压状态下压挤非织造织物和上表面构件。优选以5-500g/m2的数量散布粒度为90-10,000μm的粉末。
Description
发明领域
本发明涉及交通工具用地毯,如汽车用地板地毯,通过吸收从其上侧如室预、门和窗户进入交通工具内部空间的噪声,以及从布置地毯的地板侧进入内部空间的噪声,从而能够使车内空间较为安静,本发明还涉及地毯的制造方法。
在此说明书中,术语“透气性”是指根据JIS(日本工业标准)L1096-1999的8.27.1方法“A”测量的数值。
发明背景
如下描述说明了发明人的相关技术知识和其中的问题,但不应当解释为对现有技术知识的认可。通常,在汽车地板上布置地毯以获得良好的行走感觉和防止地板振动的传递。
现在,汽车地板不仅仅传递振动也将外部噪声传递到汽车内部空间。尽管通过地板的外部噪声可以在一定程度上由地板地毯降低,但这种降低是远不够的。在这种情况下,消费者期望可吸声的汽车地板地毯。作为这样的可吸噪声汽车地板地毯,已知由如下部分组成的汽车地板地毯:例如,含有在其上表面上嵌入的绒头的地毯构件和通过粘合剂膜通过热压粘合到地毯构件下表面上的非织造织物噪声吸收层。
进入汽车内部空间的外部噪声不仅仅包括通过地板进入的噪声,也包括通过室顶,门,窗户等进入的噪声。因此,如果这种地板地毯可吸收两处噪声就可以完全获得汽车内部空间的安静。
然而,根据上述的常规汽车地板地毯,尽管可以由下噪声吸收层有效地吸收通过地板进入汽车内部空间的外部噪声,几乎不能由地板地毯吸收通过屋顶,门,窗户等进入的外部噪声,这是由于噪声由粘合剂膜层反弹,因此返回到汽车的内部空间。
发明内容
考虑到上述技术背景构思了本发明。本发明的目的是提供汽车用地毯,通过有效地吸收从其上侧如室顶、门和窗户进入交通工具内部空间的噪声,以及从布置有地毯的地板侧进入内部空间的噪声,它能够达到宁静。本发明的另一个目的是提供地毯的制造方法。
为达到上述目的,发明人经过辛勤研究发现,可以通过如下方式获得上述所需地毯:采用通过熔融、然后固化热塑性树脂粉末而形成的透气树脂层作为固定上表面构件和非织造织物吸声层的树脂层,和,进一步规定在厚度方向整个地毯的透气性以使其在特定范围内。如此完成了本发明。
根据本发明的第一方面,交通工具用地毯由如下部分组成:上表面层,由非织造织物组成的吸声层,和位于上表面层和吸声层之间的粘合剂树脂层,粘合剂树脂层将上表面层和吸声层整体固定,其中粘合剂树脂层是通过熔融、然后固化热塑性树脂粉末而形成的透气性树脂层,和其中整个地毯在其厚度方向上的透气性为1-50cm3/cm2·秒。
该地毯中,由于非织造织物吸声层位于地毯的下侧,吸声层可有效吸收来自布置地毯的地板的噪声。此外,由于粘合剂树脂层是通过熔融热塑性树脂树脂而形成的,因此具有透气性。因此,从其上侧,如室顶,门,窗户等进入交通工具内部空间的噪声通过粘合剂树脂层,然后到达非织造织物吸声层而被吸收。因此,可以使交通工具内部空间保持安静。此外,由于设定整个地毯在厚度方向上的透气性不小于1cm3/cm2·秒,从地毯上侧进入的噪声有效地通过粘合剂树脂层而不被粘合剂树脂层回弹较多,从而可以达到足够的安静。此外,由于也设定整个地毯在厚度方向上的透气性小于50cm3/cm2·秒,甚至在其中来自布置有地毯的地板侧的噪声太大而不能被吸声层吸收的情况下,可以有效防止噪声向交通工具内部空间的泄漏。因此,在其中透气性在上述具体范围内的情况下,可在任何条件下确保安静。
尽管整个地毯在其厚度方向上的上述透气性是在整体层压上表面层,粘合剂树脂层和非织造织物吸声层的状态下测量的,该数值在很大程度上反映了粘合剂树脂层的透气性。因此,一般认为整个地毯在其厚度上的透气性几乎等于粘合剂树脂层的该值。由于技术上难以测量在层压状态下独立地测量粘合剂树脂层的透气性,本发明采用整个地毯在其厚度方向上的透气性。
尽管发明人努力通过熔融非织造织物片或网形片而形成透气性粘合剂树脂层,难以获得既具有突出吸声性能又具有高粘合强度的树脂层。
在根据本发明的交通工具用地毯中,优选吸声层的厚度为0.3-15mm,该层的每单位面积重量为10-1,000g/m2,和构成该层的纤维的细度为0.1-30分特。在此情况下,可以在覆盖从低频到高频的宽频率范围下得到足够的吸声性能。
优选使用聚烯烃树脂粉末作为上述热塑性树脂粉末。在此情况下,可以增强粘合强度和循环。
根据本发明的第二方面,一种交通工具用地毯的制造方法,包括在上表面构件面向上的下表面上散布热塑性树脂粉末;将热塑性树脂粉末加热成熔融热塑性树脂;和通过将熔融热塑性树脂在上表面构件的面向上的下表面上放置非织造织物;和在层压状态压挤所述非织造织物和上表面构件以此通过透气树脂层而整体固定非织造织物和上表面构件。
如果将热塑性树脂粉末散布到非织造织物上,在熔融该粉末时一些粉末可进入非织造织物的内部。然而在上述方法中,由于将热塑性树脂粉末散布到上表面构件上和然后熔融,可有效防止粉末进入上表面构件中。因此,可以合适地固定上表面构件和非织造织物。此外,由于在其中不在其上布置非织造织物的状态下加热粉末,可以有效地熔融粉末,导致优异的生产率。此外,这些工艺顺序可以连续进行,它进一步提高了生产率。
在上述制造方法中,优选热塑性树脂粉末的粒度为90-10,000μm和热塑性树脂粉末的散布量为5-500g/m2。通过设定如说明的粒度和散布量,可以确实地制造根据本发明第一方面的交通工具用地毯。换言之,可以制造交通工具用地毯,其中整个地毯在其厚度方向上的透气性为1-50cm3/cm2·秒。
此外,在上述制造方法中,优选热塑性树脂粉末的熔体流动速率值是2-520。在此情况下,可以更好地制造交通工具用地毯,其中整个地毯在其厚度方向上的透气性为1-50cm3/cm2·秒。
考虑到如下描述并结合附图,进一步理解各种实施方案的以上和/或其它方面,特征和/或优点。各种实施方案可包括和/或排除其中适用的不同方面,特征和/或优点。此外,各种实施方案可结合其中适用的其它实施方案的一个或多个方面或特征。不应当将特定实施方案的方面,特征和/或优点的描述解释为限制其它实施方案或权利要求。
附图简述
通过例子提供附图,但这些附图并不限制本发明的范围或各种其它实施方案,其中:
图1是显示根据本发明实施方案的交通工具用地毯的横截面图;
图2是显示根据本发明另一个实施方案的交通工具用地毯的横截面图;和
图3是显示根据本发明制造方法的简要侧视图。
具体实施方式
如图1所示,根据本发明的交通工具用地毯1包括上表面层2,由非织造织物组成的吸声层3,和通过熔融热塑性树脂粉末和整体固定上表面层2和吸声层3而形成的透气性粘合剂树脂层4。设定整个地毯1在厚度方向上的透气性为1-50cm3/cm2·秒。
在该用于交通工具的地毯1中,由于通过熔融散布的热塑性树脂粉末24而形成粘合剂树脂层4,有可能获得透气性树脂层和设定整个地毯1在其厚度方向上的透气性在以上规定的范围内。
在本发明中,由于如下原因,应当设定整个地毯1在厚度方向上的透气性为1-50cm3/cm2·秒。如果透气性小于1cm3/cm2·秒,从其上侧通过室顶,窗户,门等进入交通工具内部空间的一些噪声会被回弹和返回到交通工具的内部空间而没有被粘合剂树脂层4吸收。因此,不能保证交通工具内部空间中的足够安静。另一方面,如果透气性超过50cm3/cm2·秒,在其中从布置有地毯的地板进入的噪声不能被吸声层很好吸收的情况下,由于通过粘合剂树脂层4泄漏入交通工具内部空间的噪声,不能保证交通工具内部空间中的安静。在这样的情况下,为确实保证在任何条件下的安静,应当将透气性限制在上述具体范围内。特别地,优选整个地毯在其厚度方向上的透气性为2-30cm3/cm2·秒。
热塑性树脂粉末24并不限于具体的一种,只要它是热塑性的即可。例如,聚乙烯、乙烯-醋酸乙烯酯共聚物(EVA树脂)、聚烯烃族树脂如聚丙烯和氯化烯树脂都可以使用。在这些树脂粉末中,优选使用聚烯烃族树脂粉末。此树脂增强粘合强度和循环。在聚烯烃族树脂粉末中,最优选的一种是除上述优点以外具有成本有效优点的聚乙烯粉末。
上述上表面层2可含有绒头或可不含有绒头,并不限于具体的一种。作为前者的例子,可以示例包括地毯基础构件和嵌入在其表面上的绒头的地毯、植绒地毯、织造地毯、编织地毯和电沉积地毯。作为后者的例子,可以示例针刺非织造织物。
上述地毯基础构件并不限于具体的一种,而可以任意采用。作为地毯基础构件,可以示例通过纺织或编织由合成纤维如聚酯纤维、尼龙纤维、聚丙烯纤维或丙烯酸类纤维制成的或由天然纤维如大麻、棉或羊毛制成的线而形成的织物,和通过机械连接或缝纫各种纤维或线或采用粘合剂将它们化学连接而形成的非织造织物。
作为上述绒头材料,它并不具体限于具体一种。例如,可以优选使用聚酯纤维、尼龙纤维、聚丙烯纤维、丙烯酸类纤维或人造丝纤维。此外,也可以使用天然纤维如大麻、棉、羊毛。制备绒头层的方法并不限于具体的一种。例如可以通过如下方式制备绒头层:纺织,如经纱起绒纺织或羊毛起绒纺织;由起绒机移植起绒复丝条(pile strings);使用编织机;或使用粘合剂粘合起绒复丝条。并不要求绒头具有具体形状,它可以为割绒绒头(cut-pile)或起圈绒头的形式。
构成吸声层3的上述非织造织物并不限于具体的一种,和可以是任何非织造织物。例如,可以使用针刺非织造织物、水针刺非织造织物、纺粘(spanbonded)非织造织物或毛毡如羊毛毡。构成非织造织物吸声层3的纤维种类并不限于具体的一种。例如,可以示例聚酯纤维、尼龙纤维、聚丙烯纤维、丙烯酸类纤维或天然纤维。
由于如下原因,优选吸声层3的厚度为0.3-15mm。如果厚度小于0.3mm,不能获得足够的吸声效果。相反,如果厚度超过15mm,会降低交通工具内部空间的高度,它恶化了用户对空间可利用程度的感觉。
由于如下原因,优选每单位面积吸声层3的重量为10-1,000g/m2。如果它小于10g/m2,难以获得足够的吸声性能。相反地,如果它超过1,000g/m2,难以保证作为交通工具用地毯1的轻质性能。
由于如下原因,构成吸声层3的纤维的细度优选为0.1-30分特。如果它小于0.1分特,不能有效吸收低频噪声,从而使缓冲性能恶化。相反地,如果它超过30分特,不能有效吸收高频噪声。更优选构成吸声层3的纤维的细度优选为0.1-15分特。
在上述实施方案中,没有在吸声层3的下表面上层压任何层。然而,本发明并不限于这种结构。例如,可以在在吸声层3的下表面上层压防滑树脂层(例如,橡胶族胶乳(SBR等)涂敷的层)。如需要也可以在吸声层的下表面上层压多个层。然而,在每种情况下,整个地毯1在其厚度方向上的透气性应为1-50cm3/cm2·秒。
此外,如图2所示,可以在上表面层2的下表面上提供另外的胶乳层10以防止绒头被拉出。换言之,可以在上表面层2和粘合剂树脂层4之间布置另外的胶乳层10。在此情况下,也要求加以设计使得整个地毯1在其厚度方向上的透气性为1-50cm3/cm2·秒。
根据本发明的交通工具用地毯1的实施方案例如,可以如下制造。如图3所示,首先,将上表面构件22的下表面朝上。即,在其中上表面构件22含有绒头的情况下,上表面构件22的绒头侧朝下。然后,保持此状态,以恒定速率如图3所示向右转移上表面构件22。
其次,从位于上表面构件22上部空间的粉末散布设备25中将热塑性树脂粉末24散布到上表面构件22上。在粉末散布设备25中,在设备25底部处形成的粉末散布开口处布置含有多个相似于在高尔夫球上形成的凹部的许多凹部(凹陷部分)的辊筒(未示出)。辊筒旋转,将凹部中的粉末向下散布。根据此粉末散布设备25,可以散布贮存在设备中的热塑性粉末。
随后,通过使用加热设备26加热和熔融散布到上表面构件22上的热塑性树脂粉末24。其后,将非织造织物23布置在其上和通过压力辊27和27压挤。因此,连续制造地毯1,其中通过透气性树脂层4整体固定上表面构件2和非织造织物层3。
作为压力辊27,可以优选使用冷却压力辊。通过采用冷却压力辊压挤层,在层的层压之后可以立即冷却熔融的粉末。因此,可以增强熔融粉末的固化,它依次可增强加工速度(生产率)和有效地防止由热塑性纤维组成的非织造织物23的收缩和构成上表面层22的绒头的塌陷。
在上述制造方法中,由于如下原因,优选使用粒度为90-10,000μm的热塑性树脂粉末24和调节要散布的粉末24的数量为5-500g/m2。如果粒度小于90μm,由于粉末容易进入空气中,在制造地毯时的工作环境恶化和由于一些粉末进入上表面层2中,粘合强度变得不足。相反地,如果粒度超过10,000μm,热塑性树脂粉末24变得难以熔融,造成粘合强度不足,也难以保证1-50cm3/cm2·秒的所需透气性。此外,如果要散布的粉末数量小于5g/m2,不能获得足够的粘合强度。相反地,如果要散布的粉末数量超过500g/m2,难以获得足够的透气性,和因此难以保证1-50cm3/cm2·秒的所需透气性。特别地,更优选使用粒度为90-5,000μm的热塑性树脂粉末24和调节要散布的粉末24的数量为100-400g/m2。
作为热塑性树脂粉末24,由于如下原因,优选使用熔体流动速度为2-520的热塑性树脂粉末。如果它超过520,树脂过量渗透,导致粘合强度不足。相反地,如果它小于2,难以获得足够的透气性,和因此难以保证1-50cm3/cm2·秒的所需透气性。上述熔体流动速率根据JIS(日本工业标准)K6934-21997测量。
至于通过加热设备26的加热温度,由于如下原因,优选控制加热设备使得在固化层时的热塑性树脂温度高于热塑性树脂粉末24的熔点10-70℃。如果加热温度低于上述优选范围的下限,不能获得足够的粘合强度,导致耐用性恶化。相反地,如果加热温度超过上述优选范围的上限,上表面层2和/或吸声层3可引起热劣化。
根据本发明的交通工具用地毯1并不限于由上述方法制造的地毯。
此外,由于地毯1具有上述突出的吸声性能,根据本发明的交通工具用地毯1优选用作汽车地板地毯(包括根据地板构型和要在其上放置的地毯而成型的地板地毯)。然而,根据本发明的地毯1并不限于汽车地板地毯,也可以用作,例如,用于各种交通工具,如铁路车辆、船舶/舰艇和飞机的地毯。
其次,解释根据本发明的具体实施方案。
<材料>
上表面构件A:含有由尼龙纤维组成的植绒绒头(单位面积的绒头重量:500g/m2)的由聚酯纤维(单位面积的重量:120g/m2)制成的非织造织物(地毯基础构件)
上表面构件B:针刺非织造织物(单位面积的重量:400g/m2)
非织造织物A:由聚对苯二甲酸乙二醇酯纤维(3.3分特/4.4分特=60wt%/40wt%)组成的针刺非织造织物(厚度:4mm,单位面积的重量:500g/m2)
非织造织物B:由其中混合相同数量的1.6分特聚乙烯纤维和0.2分特纤维分开型(fiber-division type)聚对苯二甲酸乙二醇酯纤维的纤维组成的纺粘非织造织物(厚度:0.5mm,单位面积的重量:50g/m2)
非织造织物C:由聚对苯二甲酸乙二醇酯纤维(6.6分特/4.4分特=70wt%/30wt%)组成的针刺非织造织物(厚度:2.5mm,单位面积的重量:300g/m2)
非织造织物D:由聚对苯二甲酸乙二醇酯纤维(3.3分特/4.4分特=60wt%/40wt%)组成的针刺非织造织物(厚度:6mm,单位面积的重量:800g/m2)
热塑性树脂粉末A:聚乙烯粉末(平均直径:355μm,熔体流动速率值:200,熔点:107℃)
热塑性树脂粉末B:EVA粉末(平均直径:4,000μm,熔体流动速率值:420,熔点:64℃)
热塑性树脂粉末C:EVA粉末(平均直径:150μm,熔体流动速率值:420,熔点:64℃)
<实施例1>
如图3所示,当在恒定速率下,使绒头侧朝下,转移上表面构件A(22)时,在300g/m2的散布速率下,从散布设备25中将上述热塑性树脂粉末A(24)散布到上表面构件A(22)上。随后,将粉末A(24)由加热设备26加热到150℃并熔融。其后,将上述非织造织物A布置在其上和通过水冷却类型冷却压力辊27和27压挤。由此获得交通工具用地毯1。此地毯1在厚度方向上的透气性为18cm3/cm2·秒。
如图3所示,当在恒定速率下,使绒头侧朝下,转移上表面构件B(22)时,在400g/m2的散布速率下,从散布设备25上将上述热塑性树脂粉末B(24)散布到上表面构件B(22)上。随后,将粉末B(24)由加热设备26加热到130℃和熔融。其后,将上述非织造织物A布置在其上和通过水冷却类型冷却压力辊27和27压挤。因此,获得交通工具用地毯1。此地毯1在厚度方向上的透气性为20cm3/cm2·秒。
<实施例3>
如图3所示,当在恒定速率下,使绒头侧朝下,转移上表面构件B(22)时,在50g/m2的散布速率下,从散布设备25将上述热塑性树脂粉末C(24)散布到上表面构件B(22)上。随后,将粉末C(24)由加热设备26加热到120℃和熔融。其后,将上述非织造织物A布置在其上和通过水冷却类型冷却压力辊27和27压挤。因此,获得交通工具用地毯1。此地毯1在厚度方向上的透气性为30cm3/cm2·秒。
<实施例4>
如图3所示,当在恒定速率下,使绒头侧朝下,转移上表面构件A(22)时,在250g/m2的散布速率下,从散布设备25将上述热塑性树脂粉末A(24)散布到上表面构件A(22)上。随后,将粉末A(24)由加热设备26加热到150℃和熔融。其后,将上述非织造织物C布置在其上和通过水冷却类型冷却压力辊27和27压挤。因此,获得交通工具用地毯1。此地毯1在厚度方向上的透气性为38cm3/cm2·秒。
<实施例5>
如图3所示,当在恒定速率下,使绒头侧朝下,转移上表面构件A(22)时,在300g/m2的散布速率下,从散布设备25将上述热塑性树脂粉末A(24)散布到上表面构件A(22)上。随后,将粉末A(24)由加热设备26加热到150℃和熔融。其后,将上述非织造织物D布置在其上和通过水冷却类型冷却压力辊27和27压挤。因此,获得交通工具用地毯1。此地毯1在厚度方向上的透气性为8cm3/cm2·秒。
表1
上表面构件 | 粉末 | 粉末的散布量(g/m<sup>2</sup>) | 非织造织物 | 地毯的透气性(cm<sup>3</sup>/cm<sup>2</sup>·秒) | |
实施例1 | 构件A | 粉末A | 300 | 非织造织物A | 18 |
实施例2 | 构件B | 粉末B | 400 | 非织造织物A | 20 |
实施例3 | 构件B | 粉末C | 50 | 非织造织物B | 30 |
实施例4 | 构件A | 粉末A | 250 | 非织造织物C | 38 |
实施例5 | 构件A | 粉末A | 300 | 非织造织物D | 8 |
<对比例1>
布置上述上表面构件A使绒头侧朝上。以此顺序将400g/m2的聚乙烯热熔膜和非织造织物A布置在上表面构件上和然后同时层压以因此获得交通工具用地毯。此地毯在厚度方向上的透气性为0cm3/cm2·秒。
<对比例2>
以与对比例1相同的方式获得交通工具用地毯,区别在于使用150g/m2的聚乙烯热熔膜代替400g/m2的聚乙烯热熔膜。此地毯在厚度方向上的透气性为0.5cm3/cm2·秒。
<对比例3>
以与对比例1相同的方式获得交通工具用地毯,区别在于使用由聚酯(30g/m2)组成的网状(网形)片代替聚乙烯热熔膜。此地毯在厚度方向上的透气性为45cm3/cm2·秒。
在如上述获得的每个地毯中,根据如下评价方法研究吸声性能和粘合强度。结果见表2。
<吸声性能评价方法>
根据ASTM E1050的垂直入射吸声测量方法测量吸声率。
<安静评价方法>
根据上述吸声性能的评价,“◎”表示在1000Hz和2000Hz下非常优异的吸声性能,“○”表示在两个频率下优异的吸声性能,和“×”表示在至少一个频率下的适当吸声性能。
<粘合强度评价方法>
在此评价中,“○”表示粘合强度是50N或更大,“△”表示粘合强度不小于20N但小于50N,和“×”表示粘合强度小于20N。
表2
如从表2显然的那样,在根据本发明实施例1-5的地毯中,上表面构件和非织造织物吸声层用足够的粘合强度加以固定,地毯吸声性能优异,能够获得足够的安静。
相反地,在对比例1中,不可能保证安静。在对比例2中,粘合强度不适当,和由于它的透气性不够好,不可能保证足够的安静。在对比例3中,尽管获得为1-50cm3/cm2·秒的透气性和因此可以保证足够的安静,但粘合强度不足和粘合耐用性较差。
如上所述,根据本发明的交通工具用地毯(本发明的第一方面)由如下部分组成:上表面层,由非织造织物组成的吸声层和置于上表面层和吸声层之间的粘合剂树脂层,粘合剂树脂层整体固定上表面层和吸声层,其中粘合剂树脂层是通过熔融和然后固化热塑性树脂粉末而形成的透气性树脂层,和其中整个地毯在其厚度方向上的透气性为1-50cm3/cm2·秒。因此,从地毯上侧进入的噪声有效地通过粘合剂树脂层而没有更多地被粘合剂树脂层回弹,它增强噪声吸收性能。这导致足够的安静。此外,甚至在其中来自布置有地毯的地板侧的噪声太大而不能被吸声层吸收的情况下,也可以有效防止噪声向交通工具内部空间的泄漏。因此,可以在任何条件下确实地保证安静。
在其中吸声层的厚度为0.3-15mm,该层的每单位面积重量为10-1,000g/m2,和构成该层的纤维的细度为0.1-30分特的情况下,可以在覆盖从低频到高频的宽频率范围下得到足够的吸声性能。
在其中聚烯烃族树脂粉末用作热塑性树脂粉末的情况下,可以增强粘合强度和循环。
根据本发明的第二方面(制造方法),可以有效地制造根据本发明第一方面的交通工具用地毯,其中粘合强度被进一步增强。
在上述制造方法中,在其中热塑性树脂粉末的粒度为90-10,000μm和热塑性树脂粉末的散布量为5-500g/m2的情况下,可以确实地制造根据本发明第一方面的交通工具用地毯。
在其中热塑性树脂粉末的熔体流动速率为2-520的情况下,可以确实地制造根据本发明第一方面的交通工具用地毯。
本申请要求2001年12月27日提交的日本专利申请No.2001-396240的优先权,该申请的公开内容在此全文引入作为参考。
尽管已经在此描述了本发明的说明性实施方案,本发明并不限于在此所述的各种优选实施方案,还包括含改进,省略,结合(如,各种实施方案的方面的组合)的任何和所有的实施方案,这些是本领域技术人员根据本发明公开内容能够得到的。在权利要求中的限制要根据在权利要求中采用的措辞广泛地解释和并不限于在本说明书中或在应用执行期间描述的实施例,这些实施例是非限制性的。例如,在本公开内容中,术语“优选”是非限制性的,表示“优选,但不限于”。装置-加-功能或步骤-加-功能的限制仅在如下情况下采用:其中对于具体的权利要求限制,所有如下条件存在于该限制中:a)清楚引用“用于什么的措施”或“用于什么的步骤”;b)清楚引用相应的功能;和c)未引用结构,支持该结构的材料或行动。
本申请要求2001年12月27日提交的日本专利申请No.2001-396240的优先权,该申请的公开内容在此全文引入作为参考。
在此说明书中的术语和描述仅用于解释性目的,本发明并不限于这些术语和描述。应当理解,可以有许多改进和替代而不背离由所附权利要求确定的本发明精神和范围。如果它在进行权利要求的限制之内,本发明允许任何设计-改变,除非它偏离了本发明的精神实质。
Claims (15)
1.一种交通工具用地毯,其中上表面层和由非织造织物组成的吸声层通过透气性粘合剂树脂层被整体固定,所述粘合剂树脂层是通过熔融和然后固化热塑性树脂粉末而形成的,其特征在于
作为所述热塑性树脂粉末,使用粒度为90-5,000μm和熔体流动速度为2-520的热塑性树脂粉末,其中调节要散布的热塑性树脂粉末的数量为100-400g/m2,并且其中整个地毯在其厚度方向上的透气性在1-50cm3/cm2·秒的范围内。
2.根据权利要求1所述的交通工具用地毯,其中所述整个地毯在其厚度方向上的透气性为2-30cm3/cm2·秒。
3.根据权利要求1所述的交通工具用地毯,其中所述吸声层的厚度为0.3-15mm。
4.根据权利要求1所述的交通工具用地毯,其中每单位面积所述吸声层的重量为10-1,000g/m2。
5.根据权利要求1所述的交通工具用地毯,其中构成所述吸声层的纤维的细度为0.1-30分特。
6.根据权利要求1所述的交通工具用地毯,其中构成所述吸声层的纤维的细度为0.1-15分特。
7.根据权利要求1所述的交通工具用地毯,其中所述吸声层的厚度为0.3-15mm,其中每单位面积所述吸声层的重量为10-1,000g/m2,和其中构成所述吸声层的纤维的细度为0.1-30分特。
8.根据权利要求1所述的交通工具用地毯,其中所述热塑性树脂粉末是聚烯烃族树脂粉末。
9.根据权利要求1所述的交通工具用地毯,其中所述地毯是汽车用地板地毯。
10.一种交通工具用地毯的制造方法,包括以下步骤:在上表面构件面向上的下表面上散布热塑性树脂粉末;将所述热塑性树脂粉末加热成熔融热塑性树脂;和通过所述熔融热塑性树脂在所述上表面构件的所述面向上的下表面上放置非织造织物;和在层压状态下压挤所述非织造织物和所述上表面构件,由此通过透气树脂层将所述非织造织物整体固定到所述上表面构件上,其特征在于
使用具有辊筒的粉末散布设备将所述热塑性树脂粉末分散,所述辊筒被布置在所述粉末散布设备的底部粉末分散部分处并且具有许多凹部。
11.根据权利要求10所述的交通工具用地毯的制造方法,其中所述热塑性树脂粉末的粒度为90-10,000μm,和其中所述热塑性树脂粉末的散布量为5-500g/m2。
12.根据权利要求10所述的交通工具用地毯的制造方法,其中所述热塑性树脂粉末的粒度为90-5,000μm,和其中所述热塑性树脂粉末的散布量为100-400g/m2。
13.根据权利要求10所述的交通工具用地毯的制造方法,其中所述热塑性树脂粉末的熔体流动速率是2-520。
14.根据权利要求10所述的交通工具用地毯的制造方法,其中所述压挤是通过使用冷却压力辊进行的。
15.根据权利要求14所述的交通工具用地毯的制造方法,其中所述冷却压力辊是水冷却类型压力辊。
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Also Published As
Publication number | Publication date |
---|---|
US20050208261A1 (en) | 2005-09-22 |
US20030152742A1 (en) | 2003-08-14 |
KR20030057388A (ko) | 2003-07-04 |
KR100965641B1 (ko) | 2010-06-23 |
EP1323577A2 (en) | 2003-07-02 |
CN1428258A (zh) | 2003-07-09 |
JP4139593B2 (ja) | 2008-08-27 |
DE60233924D1 (de) | 2009-11-19 |
EP1323577B1 (en) | 2009-10-07 |
EP1323577A3 (en) | 2007-10-03 |
US20050287335A1 (en) | 2005-12-29 |
JP2002219989A (ja) | 2002-08-06 |
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