CN112248585A - 一种隔热吸音化纤材料 - Google Patents

一种隔热吸音化纤材料 Download PDF

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CN112248585A
CN112248585A CN202010980419.3A CN202010980419A CN112248585A CN 112248585 A CN112248585 A CN 112248585A CN 202010980419 A CN202010980419 A CN 202010980419A CN 112248585 A CN112248585 A CN 112248585A
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sound
chemical fiber
heat
fiber material
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徐建军
胡庆文
奚永新
陈国平
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Chuzhou Xingbang Polymer Color Fiber Co Ltd
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Chuzhou Xingbang Polymer Color Fiber Co Ltd
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Abstract

本发明涉及化纤材料技术领域，尤其涉及一种隔热吸音化纤材料，从下到上其包括：PET吸音基础材料层，粘结层，PP熔喷无纺布层，粘结层和纳米气凝胶层；所述的PET吸音基础材料层由0.5‑1.5dtex的PET纤维和低熔点PET纤维热粘合成型；所述的PP熔喷无纺布层的流阻为400‑800mm/s(20cm2，100Pa)；所述纳米气凝胶层为纳米二氧化硅气凝胶层，本发明提出的隔热吸音化纤材料，通过改进的粘结层有效的提高了隔热吸音化纤材料的抗疲劳强度，且粘结层内部含有一些隔热吸音的组分，能够进一步的提高化纤材料的隔热吸音效果，便于产品的推广和使用。

Description

一种隔热吸音化纤材料
技术领域
本发明涉及化纤材料技术领域，尤其涉及一种隔热吸音化纤材料。
背景技术
近年来，随着现代工业和交通运输业的发展，噪声污染问题日益突出，已和空气污染、水质污染并列为当代三大污染源，它不仅能够严重危害人的听觉系统，使人易感疲倦、耳聋，而且还会加速建筑物、机械结构的老化，影响设备及仪表的精度和使用寿命。随着社会发展和人类环境意识的增强，人们对声学质量的要求越来越高，降低噪声的危害已成为目前一项迫 切的任务。
非织造布是由纤维集合体组成，具有多孔疏松结构和较多纤维界面，因其自身结构具有的良好吸声性能及低廉的制造成本，已成为现代最具有发展前景的吸音材料之一。非织造吸音材料不仅克服了高密度材料比重大、成本高的缺点，同时具有加工成型性好，便于与其它结构材料复合的特点。
现有的隔热吸音化纤材料使用过程中，往往由于抗疲劳强度不够，使用过程中容易发生松散、变形，影响隔热吸音化纤材料的隔热吸音效果。
因此，我们提出了一种隔热吸音化纤材料用于解决上述问题。
发明内容
本发明的目的是为了解决现有技术中存在的缺点，而提出的一种隔热吸音化纤材料。
一种隔热吸音化纤材料，从下到上其包括：PET吸音基础材料层，粘结层，PP熔喷无纺布层，粘结层和纳米气凝胶层；
所述的PET吸音基础材料层由0.5-1.5dtex的PET纤维和低熔点PET纤维热粘合成型；
所述的PP熔喷无纺布层的流阻为400-800mm/s (20cm2，100Pa)；
所述纳米气凝胶层为纳米二氧化硅气凝胶层。
所述的PET吸音基础材料层的密度是15-60kg/m3 。
优选的，所述的PP熔喷无纺布层是克重为30-90g/m2 ，厚度为0.2-0.8mm的PP熔喷无纺布层。
优选的，所述粘结层由以下重量份的物质组成：PE热熔胶粉80-120份、纳米二氧化硅气凝胶20-30份、木棉纤维30-45份、纳米蛭石8-12份、纳米银1-5份、氧化亚铜4-12份、二氧化钛5-15份和壳聚糖4-8份。
优选的，所述粘结层的制备包括如下步骤：将原料置于混合机中，在60-90℃的温度下，搅拌1-2h即可。
优选的，所述粘结层是克重为8-16g/m2 ，厚度为0.05-0.2mm的粘结层。
优选的，所述纳米气凝胶层的厚度为0.1-0.6mm。
优选的，所述隔热吸音化纤材料成型包括如下步骤:将所述的PET吸音基础材料层与所述的PP熔喷无纺布层通过喷洒热熔胶粉，加热覆合，待定型后再次喷洒热熔胶粉，将纳米气凝胶层覆合在PP熔喷无纺布层的上端。
优选的，加热的温度为140-150℃，加热的方式为在烘箱中通过热空气上吹下吸的方式进行加热。
本发明的有益效果是：本发明提出的隔热吸音化纤材料，通过改进的粘结层有效的提高了隔热吸音化纤材料的抗疲劳强度，且粘结层内部含有一些隔热吸音的组分，能够进一步的提高化纤材料的隔热吸音效果，便于产品的推广和使用。
具体实施方式
下面结合具体实施例对本发明作进一步解说。
实施例1中，一种隔热吸音化纤材料，从下到上其包括：PET吸音基础材料层，粘结层，PP熔喷无纺布层，粘结层和纳米气凝胶层；
所述的PET吸音基础材料层由0.5dtex的PET纤维和低熔点PET纤维热粘合成型；
所述的PP熔喷无纺布层的流阻为400mm/s (20cm2， 100Pa)；
所述纳米气凝胶层为纳米二氧化硅气凝胶层。
进一步的，的PET吸音基础材料层的密度是15kg/m3 。
进一步的，的PP熔喷无纺布层是克重为30g/m2 ，厚度为0.2mm的PP熔喷无纺布层。
进一步的，粘结层由以下重量份的物质组成：PE热熔胶粉80份、纳米二氧化硅气凝胶20份、木棉纤维30份、纳米蛭石8份、纳米银1份、氧化亚铜4份、二氧化钛5份和壳聚糖4份。
进一步的，粘结层的制备包括如下步骤：将原料置于混合机中，在60℃的温度下，搅拌1h即可。
进一步的，粘结层是克重为8g/m2 ，厚度为0.05mm的粘结层。
进一步的，纳米气凝胶层的厚度为0.1mm。
进一步的，隔热吸音化纤材料成型包括如下步骤:将所述的PET吸音基础材料层与所述的PP熔喷无纺布层通过喷洒热熔胶粉，加热覆合，待定型后再次喷洒热熔胶粉，将纳米气凝胶层覆合在PP熔喷无纺布层的上端。
进一步的，加热的温度为140℃，加热的方式为在烘箱中通过热空气上吹下吸的方式进行加热。
实施例2中，一种隔热吸音化纤材料，从下到上其包括：PET吸音基础材料层，粘结层，PP熔喷无纺布层，粘结层和纳米气凝胶层；
所述的PET吸音基础材料层由1.5dtex的PET纤维和低熔点PET纤维热粘合成型；
所述的PP熔喷无纺布层的流阻为800mm/s (20cm2， 100Pa)；
所述纳米气凝胶层为纳米二氧化硅气凝胶层。
进一步的，的PET吸音基础材料层的密度是60kg/m3 。
进一步的，的PP熔喷无纺布层是克重为90g/m2 ，厚度为0.8mm的PP熔喷无纺布层。
进一步的，粘结层由以下重量份的物质组成：PE热熔胶粉120份、纳米二氧化硅气凝胶30份、木棉纤维45份、纳米蛭石12份、纳米银5份、氧化亚铜12份、二氧化钛15份和壳聚糖8份。
进一步的，粘结层的制备包括如下步骤：将原料置于混合机中，在90℃的温度下，搅拌2h即可。
进一步的，粘结层是克重为16g/m2 ，厚度为0.2mm的粘结层。
进一步的，纳米气凝胶层的厚度为0.6mm。
进一步的，隔热吸音化纤材料成型包括如下步骤:将所述的PET吸音基础材料层与所述的PP熔喷无纺布层通过喷洒热熔胶粉，加热覆合，待定型后再次喷洒热熔胶粉，将纳米气凝胶层覆合在PP熔喷无纺布层的上端。
进一步的，加热的温度为150℃，加热的方式为在烘箱中通过热空气上吹下吸的方式进行加热。
实施例3中，一种隔热吸音化纤材料，从下到上其包括：PET吸音基础材料层，粘结层，PP熔喷无纺布层，粘结层和纳米气凝胶层；
所述的PET吸音基础材料层由1dtex的PET纤维和低熔点PET纤维热粘合成型；
所述的PP熔喷无纺布层的流阻为600mm/s (20cm2， 100Pa)；
所述纳米气凝胶层为纳米二氧化硅气凝胶层。
进一步的，的PET吸音基础材料层的密度是40kg/m3 。
进一步的，的PP熔喷无纺布层是克重为50g/m2 ，厚度为0.6mm的PP熔喷无纺布层。
进一步的，粘结层由以下重量份的物质组成：PE热熔胶粉100份、纳米二氧化硅气凝胶25份、木棉纤维40份、纳米蛭石10份、纳米银4份、氧化亚铜8份、二氧化钛9份和壳聚糖6份。
进一步的，粘结层的制备包括如下步骤：将原料置于混合机中，在75℃的温度下，搅拌1.5h即可。
进一步的，粘结层是克重为12g/m2 ，厚度为0.1mm的粘结层。
进一步的，纳米气凝胶层的厚度为0.3mm。
进一步的，隔热吸音化纤材料成型包括如下步骤:将所述的PET吸音基础材料层与所述的PP熔喷无纺布层通过喷洒热熔胶粉，加热覆合，待定型后再次喷洒热熔胶粉，将纳米气凝胶层覆合在PP熔喷无纺布层的上端。
进一步的，加热的温度为145℃，加热的方式为在烘箱中通过热空气上吹下吸的方式进行加热。
实施例1-3中，本发明提出的隔热吸音化纤材料，通过改进的粘结层有效的提高了隔热吸音化纤材料的抗疲劳强度，且粘结层内部含有一些隔热吸音的组分，能够进一步的提高化纤材料的隔热吸音效果，便于产品的推广和使用。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (9)

1.一种隔热吸音化纤材料，其特征在于，从下到上其包括：PET吸音基础材料层，粘结层，PP熔喷无纺布层，粘结层和纳米气凝胶层；
所述的PET吸音基础材料层由0.5-1.5dtex的PET纤维和低熔点PET纤维热粘合成型；
所述的PP熔喷无纺布层的流阻为400-800mm/s (20cm2，100Pa)；
所述纳米气凝胶层为纳米二氧化硅气凝胶层。
2.根据权利要求1所述的一种隔热吸音化纤材料，其特征在于，所述的PET吸音基础材料层的密度是15-60kg/m3。
3.根据权利要求1所述的一种隔热吸音化纤材料，其特征在于，所述的PP熔喷无纺布层是克重为30-90g/m2，厚度为0.2-0.8mm的PP熔喷无纺布层。
4.根据权利要求1所述的一种隔热吸音化纤材料，其特征在于，所述粘结层由以下重量份的物质组成：PE热熔胶粉80-120份、纳米二氧化硅气凝胶20-30份、木棉纤维30-45份、纳米蛭石8-12份、纳米银1-5份、氧化亚铜4-12份、二氧化钛5-15份和壳聚糖4-8份。
5.根据权利要求1所述的一种隔热吸音化纤材料，其特征在于，所述粘结层的制备包括如下步骤：将原料置于混合机中，在60-90℃的温度下，搅拌1-2h即可。
6.根据权利要求1所述的一种隔热吸音化纤材料，其特征在于，所述粘结层是克重为8-16g/m2，厚度为0.05-0.2mm的粘结层。
7.根据权利要求1所述的一种隔热吸音化纤材料，其特征在于，所述纳米气凝胶层的厚度为0.1-0.6mm。
8.根据权利要求1所述的一种隔热吸音化纤材料，其特征在于，所述隔热吸音化纤材料成型包括如下步骤:将所述的PET吸音基础材料层与所述的PP熔喷无纺布层通过喷洒热熔胶粉，加热覆合，待定型后再次喷洒热熔胶粉，将纳米气凝胶层覆合在PP熔喷无纺布层的上端。
9.根据权利要求8所述的一种隔热吸音化纤材料，其特征在于，加热覆合中：加热的温度为140-150℃，加热的方式为在烘箱中通过热空气上吹下吸的方式进行加热。
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