CN109627642A - 汽车用多层吸声隔音复合材料 - Google Patents

汽车用多层吸声隔音复合材料 Download PDF

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CN109627642A
CN109627642A CN201811629780.0A CN201811629780A CN109627642A CN 109627642 A CN109627642 A CN 109627642A CN 201811629780 A CN201811629780 A CN 201811629780A CN 109627642 A CN109627642 A CN 109627642A
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acoustic dampening
dampening composite
automobile
automobile multilayer
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黎品英
黎明华
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Liuzhou Haoxiangte Technology Co Ltd
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Abstract

本发明公开了汽车用多层吸声隔音复合材料，该汽车用多层吸声隔音复合材料由以下重量份数的原料组成：三元乙丙橡胶6‑10份、氧化镁6‑8份、玻璃纤维棉6‑9份、发泡胶0.2‑0.6份、聚甲基丙烯酸甲酯8‑10份、双十二烷基二甲基溴化铵0.1‑5份、氢氧化钙4‑6份、二氧化钛6‑8份、乙烯基树脂10‑15份、橡胶丙烯酸乳液3‑30份、弹性橡胶粉8‑14份、羟基喹啉铜0.5‑12份、PVC树脂15‑25份、正丁醇2‑4份、聚结助剂1‑3份、润湿剂1‑3份、氧化锌7‑9份、碳酸钙1‑3份、苯甲酸4‑6份、天然复盐6‑10份。本发明的汽车用多层吸声隔音复合材料，隔音效果好，以聚甲基丙烯酸甲酯和玻璃纤维棉为填料，可达到较好的吸声效果，采用中间层为聚苯层、聚乙烯层、闭孔聚氨酯层的三层，大大提高了隔音效果，具有更好的使用前景。

Description

汽车用多层吸声隔音复合材料
技术领域
本发明涉及化工材料领域，具体为汽车用多层吸声隔音复合材料。
背景技术
凡是能用来阻断噪音的材料，统称为隔音材料。隔音材料五花八门，日常人们比较常见的有实心砖块、钢筋混泥土墙、木板、石膏板、铁板、隔音毡、纤维板等等。 严格意义上说，几乎所有的材料都具有隔音作用，其区别就是不同材料间隔音量的大小不同而已。同一种材料，由于面密度不同，其隔音量存在比较大的变化。 隔音量遵循质量定律原则，就是隔音材料的单位密集面密度越大，隔音量就越大，面密度与隔音量成正比关系，隔音是指通过某种物品把声音或噪音隔绝、隔断、分离等，因此就需要隔音材料，材料一侧的入射声能与另一侧的透射声能相关的分贝数就是该材料的隔音量，通常以符号R（dB）表示。
但是现有的汽车用多层吸声隔音复合材料，隔音效果不好，传统隔音材料为单层，隔音效果不明显，我们提出汽车用多层吸声隔音复合材料。
发明内容
本发明的目的在于提供汽车用多层吸声隔音复合材料，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：该汽车用多层吸声隔音复合材料由以下重量份数的原料组成：三元乙丙橡胶6-10份、氧化镁6-8份、玻璃纤维棉6-9份、发泡胶0.2-0.6份、聚甲基丙烯酸甲酯8-10份、双十二烷基二甲基溴化铵0.1-5份、氢氧化钙4-6份、二氧化钛6-8份、乙烯基树脂10-15份、橡胶丙烯酸乳液3-30份、弹性橡胶粉8-14份、羟基喹啉铜0.5-12份、PVC树脂15-25份、正丁醇2-4份、聚结助剂1-3份、润湿剂1-3份、氧化锌7-9份、碳酸钙1-3份、苯甲酸4-6份、天然复盐6-10份。
优选的，所述天然复盐为白云石粉，其为白色或浅灰白色粉末。
优选的，所述聚结助剂为成膜助剂，其是一种易消失的增塑剂，优选为丙二醇丁醚或丙二醇甲醚醋酸酯。
优选的，所述弹性橡胶粉为烷基酚醛树脂组成固态粉末物质。
优选的，所述发泡胶是将聚氨酯预聚体﹑发泡剂﹑催化剂、交联剂等填装到耐高压铁罐中，并填装丙烷等气体组成的。
优选的，所述弹性橡胶粉为醋酸乙烯酯的共聚物。
优选的，所述汽车用多层吸声隔音复合材料由多层物质组成，该多层物质分别为聚苯层、聚乙烯层、闭孔聚氨脂层。
与现有技术相比，本发明的有益效果是：
本发明的汽车用多层吸声隔音复合材料，隔音效果好，能够减少噪音的危害，以聚甲基丙烯酸甲酯和玻璃纤维棉为填料，可达到较好的吸声效果；同时，采用中间层为聚苯层、聚乙烯层、闭孔聚氨脂层的三层，大大提高了隔音效果，具有更好的使用前景。
具体实施方式
下面对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，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他实施例，都属于本发明保护的范围。
实施例1
该汽车用多层吸声隔音复合材料由以下重量份数的原料组成：三元乙丙橡胶6份、氧化镁6份、玻璃纤维棉6份、发泡胶0.2份、聚甲基丙烯酸甲酯8份、双十二烷基二甲基溴化铵0.1份、氢氧化钙4份、二氧化钛6份、乙烯基树脂10份、橡胶丙烯酸乳液3份、弹性橡胶粉8份、羟基喹啉铜0.5份、PVC树脂15份、正丁醇2份、聚结助剂1份、润湿剂1份、氧化锌7份、碳酸钙1份、苯甲酸4份、天然复盐6份；
天然复盐为白云石粉，其为白色或浅灰白色粉末；聚结助剂为成膜助剂，其是一种易消失的增塑剂，优选为丙二醇丁醚或丙二醇甲醚醋酸酯；弹性橡胶粉为烷基酚醛树脂组成固态粉末物质；发泡胶是将聚氨酯预聚体﹑发泡剂﹑催化剂、交联剂等填装到耐高压铁罐中，并填装丙烷等气体组成的；弹性橡胶粉为醋酸乙烯酯的共聚物；汽车用多层吸声隔音复合材料由多层物质组成，该多层物质分别为聚苯层、聚乙烯层、闭孔聚氨脂层。
实施例2
该汽车用多层吸声隔音复合材料由以下重量份数的原料组成：三元乙丙橡胶10份、氧化镁8份、玻璃纤维棉9份、发泡胶0.6份、聚甲基丙烯酸甲酯10份、双十二烷基二甲基溴化铵5份、氢氧化钙6份、二氧化钛8份、乙烯基树脂15份、橡胶丙烯酸乳液30份、弹性橡胶粉14份、羟基喹啉铜12份、PVC树脂25份、正丁醇4份、聚结助剂3份、润湿剂3份、氧化锌9份、碳酸钙3份、苯甲酸6份、天然复盐10份；
天然复盐为白云石粉，其为白色或浅灰白色粉末；聚结助剂为成膜助剂，其是一种易消失的增塑剂，优选为丙二醇丁醚或丙二醇甲醚醋酸酯；弹性橡胶粉为烷基酚醛树脂组成固态粉末物质；发泡胶是将聚氨酯预聚体﹑发泡剂﹑催化剂、交联剂等填装到耐高压铁罐中，并填装丙烷等气体组成的；弹性橡胶粉为醋酸乙烯酯的共聚物；汽车用多层吸声隔音复合材料由多层物质组成，该多层物质分别为聚苯层、聚乙烯层、闭孔聚氨脂层。
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (7)

1.汽车用多层吸声隔音复合材料，其特征在于：该汽车用多层吸声隔音复合材料由以下重量份数的原料组成：三元乙丙橡胶6-10份、氧化镁6-8份、玻璃纤维棉6-9份、发泡胶0.2-0.6份、聚甲基丙烯酸甲酯8-10份、双十二烷基二甲基溴化铵0.1-5份、氢氧化钙4-6份、二氧化钛6-8份、乙烯基树脂10-15份、橡胶丙烯酸乳液3-30份、弹性橡胶粉8-14份、羟基喹啉铜0.5-12份、PVC树脂15-25份、正丁醇2-4份、聚结助剂1-3份、润湿剂1-3份、氧化锌7-9份、碳酸钙1-3份、苯甲酸4-6份、天然复盐6-10份。
2.根据权利要求1所述的汽车用多层吸声隔音复合材料，其特征在于：所述天然复盐为白云石粉，其为白色或浅灰白色粉末。
3.根据权利要求1所述的汽车用多层吸声隔音复合材料，其特征在于：所述聚结助剂为成膜助剂，其是一种易消失的增塑剂，优选为丙二醇丁醚或丙二醇甲醚醋酸酯。
4.根据权利要求1所述的汽车用多层吸声隔音复合材料，其特征在于：所述弹性橡胶粉为烷基酚醛树脂组成固态粉末物质。
5.根据权利要求1所述的汽车用多层吸声隔音复合材料，其特征在于：所述发泡胶是将聚氨酯预聚体﹑发泡剂﹑催化剂、交联剂等填装到耐高压铁罐中，并填装丙烷等气体组成的。
6.根据权利要求1或4所述的汽车用多层吸声隔音复合材料，其特征在于：所述弹性橡胶粉为醋酸乙烯酯的共聚物。
7.根据权利要求1所述的汽车用多层吸声隔音复合材料，其特征在于：所述汽车用多层吸声隔音复合材料由多层物质组成，该多层物质分别为聚苯层、聚乙烯层、闭孔聚氨脂层。
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CN117736523A (zh) * 2023-12-19 2024-03-22 湖南省普瑞达内装材料有限公司 一种车用隔音复合材料及其制备方法

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