CN109383080A - 一种隔热隔声轻质高强复合材料板及制作工艺和应用 - Google Patents
一种隔热隔声轻质高强复合材料板及制作工艺和应用 Download PDFInfo
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Abstract
本发明公开了一种隔热隔声轻质高强复合材料板,由纤维增强复合材料、聚合物阻尼材料、轻质多孔材料组合而成,排列顺序依次是纤维增强复合材料、聚合物阻尼材料、轻质多孔材料、聚合物阻尼材料、纤维增强复合材料和轻质多孔材料,相邻的轻质多孔材料和纤维增强复合材料之间采用耐温材料进行Z向穿线连接,纤维增强复合材料厚度为2~6mm,所述聚合物阻尼材料厚度1~2mm,轻质多孔材料厚度20~30mm或35~45mm。该复合材料板具有隔热、隔声、耐温、轻质、高强度、阻燃、无毒等特性,该复合材料板可应用于各类型蒸汽动力设备或蒸汽管路系统中。
Description
技术领域
本发明涉及复合材料技术领域,特别是涉及一种隔热隔声轻质高强复合材料板及制作工艺和应用。
背景技术
复合材料是人们运用先进的材料制备技术,将不同性质的材料优化组合而成的新材料。其中纤维增强复合材料具有比重小、比强度大和比模量大等优点,已经替代传统材料,应用于多个领域。如在波音787客机中,纤维增强复合材料的使用率已经达到50%,高于传统的金属材料,如钢、钛合金、铝合金等。
传统纤维增强复合材料在实际应用中已经有作为隔声材料的应用,为进一步提高其隔声量,一般通过复合结构或者树脂发泡来提高复合材料的隔声量。申请号为CN201710244664.6,发明名称为一种隔声复合材料及其制备方法的中国发明专利公开了一种隔声复合材料其制备方法,它以发泡树脂体系和纤维织物为原料,将纤维织物用聚合物体系预先进行固化成型,然后将发泡树脂体系注入纤维织物的中空夹层结构内部进行内部原位发泡复合固化而成。在所述方法中通过对发泡树脂体系的孔隙率、开孔结构和孔径等进行调节,并与具有中空夹层结构的纤维织物进行复合而获得,本发明具有良好的隔音性能,并具有较好的刚性和韧性,但是在各类型蒸汽动力设备、蒸汽管路系统等领域应用隔声复合材料时还需其具有阻燃隔热的功效,针对这个问题,特提出本发明。
发明内容
本发明的目的是提供一种隔热隔声轻质高强复合材料板,该复合材料板具有隔热、隔声、耐温、轻质、高强度、阻燃、无毒等特性,该复合材料板可应用于各类型蒸汽动力设备或蒸汽管路系统中。
为实现上述目的,本发明提供如下技术方案:
一种隔热隔声轻质高强复合材料板,由纤维增强复合材料、聚合物阻尼材料、轻质多孔材料组合而成,排列顺序依次是纤维增强复合材料、聚合物阻尼材料、轻质多孔材料、聚合物阻尼材料、纤维增强复合材料和轻质多孔材料,相邻的轻质多孔材料和纤维增强复合材料之间采用耐温材料进行Z向穿线连接,所述纤维增强复合材料厚度为2~6mm,所述聚合物阻尼材料厚度1~2mm,所述轻质多孔材料厚度20~30mm或 35~45mm。
优选的,所述纤维增强复合材料为纤维增强聚合物基复合材料,所述聚合物阻尼材料为粘弹性高分子材料,所述轻质多孔材料为有机泡沫或无机棉类多孔材料。
优选的,所述纤维增强复合材料选用碳纤维增强环氧树脂、玻璃纤维增强环氧树脂、碳纤维增强聚酯树脂、玻璃纤维增强聚酯树脂、碳纤维增强酚醛树脂、玻璃纤维增强酚醛树脂中的一种或多种。
优选的,所述粘弹性高分子材料选用醋酸乙烯酯、丙烯酸酯、聚氨酯、环氧树脂中的一种或几种。
优选的,所述轻质多孔材料选用聚氨酯泡沫、酚醛泡沫、聚酰亚胺泡沫、矿物棉毡、玻璃棉毡、聚酯毡中的一种或几种。
优选的,轻质多孔材料的孔径范围为0.1~100um,孔隙率为20%~ 95%,密度为10kg/m3~80kg/m3。
优选的,相邻的轻质多孔材料和纤维增强复合材料之间采用碳纤维丝或无机矿物线进行Z向穿线连接。
如上所述的隔热隔声轻质高强复合材料板的制作工艺,包括如下步骤:
步骤一:选择两块厚度为2~6mm的纤维增强复合材料板与一块厚度为20~30mm的轻质多孔材料板,利用厚度为1~2mm的聚合物阻尼材料将轻质多孔材料板和两块纤维增强复合材料板粘接形成三明治结构,轻质多孔材料板夹在中间;
步骤二:将三明治结构和35~45mm厚的轻质多孔材料板采用耐温材料进行Z向穿线缝合连接在一起,形成隔热隔声轻质高强复合材料板。
如上所述的隔热隔声轻质高强复合材料板在船舶制造、机械制造、蒸汽动力设备或蒸汽管路系统中的应用。
与现有技术相比,本发明的有益效果如下:
(1)本发明提供的隔热隔声轻质高强复合材料,既可隔离被防护对象内外的噪声,也能有效减少热量散失,防止烫伤;
(2)该隔热隔声轻质高强复合材料可在240℃表面温度的条件下长期使用,复合材料表面温度不超过60℃;
(3)该隔热隔声轻质高强复合材料可自支撑,易成型为复杂形状,可用于制作隔热隔声罩;
(4)该复合材料板具有隔热、隔声、耐温、轻质、高强度、阻燃、无毒环保等特性;
(5)通过轻质多孔材料与纤维增强复合材料的组合使用,可显著反射和吸收声波能量,实现优异的隔声效果,通过选择耐高温材料制成轻质多孔材料,其与纤维增强复合材料组合可实现轻质、高强和耐温性能;
(6)利用聚合物阻尼材料将轻质多孔材料板和两块纤维增强复合材料板粘接形成三明治结构,聚合物阻尼材料提高整体复合材料的减振性能,进一步耗散由声波引起的振动,提高隔声效果;
(7)该隔热隔声轻质高强复合材料利用多层结构,增加阻抗失配,提高复合材料板低频隔声效果。
附图说明
为了更清楚地说明本新型实施例或现有技术中的技术方案,下面将对实施例或现有技术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他的附图。
图1是本发明的隔热隔声轻质高强复合材料的组成示意图。
图2是本发明的隔热隔声轻质高强复合材料的成型示意图。
图3是本发明的隔热隔声轻质高强复合材料在隔声室测试的隔声效果图。
图4是本发明的隔热隔声轻质高强复合材料用于蒸汽管道的原理示意图。
图中:1—纤维增强复合材料,2—聚合物阻尼材料,3—轻质多孔材料,4—蒸汽管道壁,5—蒸汽管道,6—碳纤维丝。
具体实施方式
本发明的一个核心在于提供一种隔热隔声轻质高强复合材料板,该复合材料板具有隔热、隔声、耐温、轻质、高强度、阻燃、无毒等特性,该复合材料板可应用于各类型蒸汽动力设备或蒸汽管路系统中。
为了使本领域的人员更好地理解本发明的技术方案,下面结合本发明的附图,对本发明的技术方案进行清楚、完整的描述。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动的前提下所获得的其它类同实施例,都应当属于本申请保护的范围。此外,以下实施方式中提到的方向用词,例如“上”“下”“左”“右”等仅是参考附图的方向,因此,使用的方向用词是用来说明而非限制本发明创造。
如图1和2所示,本具体实施例中提供的隔热隔声轻质高强复合材料板,由纤维增强复合材料1、聚合物阻尼材料2、轻质多孔材料3组合而成,排列顺序依次是纤维增强复合材料1、聚合物阻尼材料2、轻质多孔材料3、聚合物阻尼材料2、纤维增强复合材料1和轻质多孔材料3,相邻的轻质多孔材料3和纤维增强复合材料1之间采用耐温材料进行Z向穿线连接,耐温材料优选为碳纤维丝或无机矿物线,利用耐温材料进行Z向穿线连接,有助于保证隔热阻燃的复合材料板的稳定,当复合材料接触热源时,耐温材料同样能够耐受高温,能够保证轻质多孔材料3和纤维增强复合材料1之间连接的稳定。纤维增强复合材料1厚度为2~6mm,所述聚合物阻尼材料2厚度1~2mm,所述轻质多孔材料3厚度20~30mm或35~45mm,隔热隔声轻质高强复合材料的总厚度控制在80mm以内,在保证隔热隔声效果的同时保证材料的轻质、易成型为复杂形状,扩大其应用范围。
纤维增强复合材料1为纤维增强聚合物基复合材料,选用碳纤维增强环氧树脂、玻璃纤维增强环氧树脂、碳纤维增强聚酯树脂、玻璃纤维增强聚酯树脂、碳纤维增强酚醛树脂、玻璃纤维增强酚醛树脂中的一种或多种,在本具体实施例中,纤维增强复合材料1选用厚度分别为4mm 和6mm的碳纤维增强酚醛树脂。
聚合物阻尼材料2为粘弹性高分子材料,选用醋酸乙烯酯、丙烯酸酯、聚氨酯、环氧树脂中的一种或几种,在本具体实施例中,聚合物阻尼材料2选用厚度为2mm的聚氨酯。
轻质多孔材料3为有机泡沫或无机棉类多孔材料,选用聚氨酯泡沫、酚醛泡沫、聚酰亚胺泡沫、矿物棉毡、玻璃棉毡、聚酯毡中的一种或几种。轻质多孔材料3的孔径范围为0.1~100um,孔隙率为20%~95%,密度为10kg/m3~80kg/m3,更优选为酚醛泡沫,在本具体实施例中,最外层选用40mm的矿物棉毡,中间层的轻质多孔材料3选用为20mm的酚醛泡沫材料,酚醛泡沫材料的密度120kg/m3,泡沫孔径为0.1~100um,孔隙率为90%,通过选择适当孔隙率、孔径和密度的轻质多孔材料3,控制泡沫间空气柱的长度,可实现良好的隔热和吸声效果。
上述隔热隔声轻质高强复合材料板的制作工艺,包括如下步骤:
步骤一:选择两块厚度分别为4mm和6mm的碳纤维增强酚醛树脂板与一块厚度为20mm的酚醛泡沫材料板,利用厚度为2mm的聚氨酯将酚醛泡沫材料板和两块碳纤维增强酚醛树脂板粘接形成三明治结构,酚醛泡沫材料板夹在中间;
步骤二:将三明治结构和40mm厚的矿物棉毡板采用碳纤维丝进行 Z向穿线缝合连接在一起,形成隔热隔声轻质高强复合材料板。
将上述制作工艺制成的隔热隔声轻质高强复合材料板进行隔音效果测试,测试结果如图3所示,由图3可以看出,本发明的隔热隔声轻质高强复合材料隔声量随着频率的升高而逐渐升高,整体结构厚度为 74mm,计权隔声量可达35dB以上。
将上述制作工艺制成的隔热隔声轻质高强复合材料板进行隔热效果测试,热源温度为245℃左右时,在热源表面安装上述制作工艺制成的隔热隔声轻质高强复合材料,对该复合材料的不同点进行测试,测试结果如表1所示,由表1可以看出,该复合材料能够有效的隔绝高温,材料表面温度不超过50℃,有力的证实了本发明的隔热隔声轻质高强复合材料,既可隔离被防护对象内外的噪声,也能有效减少热量散失,防止烫伤。
表1本发明隔热隔声轻质高强复合材料的隔热效果测试结果
序号 | 热源温度/℃ | 材料表面温度/℃ |
1 | 248 | 47 |
2 | 246 | 49 |
3 | 246 | 46 |
4 | 247 | 48 |
5 | 248 | 48 |
6 | 247 | 50 |
7 | 245 | 49 |
8 | 246 | 46 |
9 | 247 | 48 |
10 | 248 | 47 |
如上所述的隔热隔声轻质高强复合材料满足以下性能:(1)隔声性能,125Hz-8kHz范围内隔声量不下于35dB(A);(2)隔热性能,热源温度240℃条件下,复合材料表面温度不超过50℃;(3)复合材料可在 240℃表面温度的条件下长期使用;(4)复合材料可自支撑,易成型为复杂形状,可用于制作隔热隔声罩;(5)兼具阻燃、轻质和环保的特性。
如上所述的隔热隔声轻质高强复合材料板可以应用在船舶制造、机械制造、蒸汽动力设备或蒸汽管路系统中。本发明的隔热隔声轻质高强复合材料用于蒸汽管道的原理示意图如图4所示,将本发明的隔热隔声轻质高强复合材料包裹在蒸汽管道壁4的外侧,该复合材料能够阻止蒸汽管道5内部热量的散失,并且能够降低表面温度,防止因接触蒸汽管道壁4而烫伤,同时还可以阻止蒸汽管道5内的噪声向外传播,达到了隔热、隔声、防止热量散失、安全、节约能源的效果。
进一步的,根据隔热隔声的需要也可以选择2种以上不同的纤维增强复合材料1,每种纤维增强复合材料1单独成型,之后将每种成型后的纤维增强复合材料1原位固化或者粘接在一起。
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。
此外,应当理解,虽然本说明书按照实施方式加以描述,但并非每个实施方式仅包含一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见,本领域技术人员应当将说明书作为一个整体,各实施例中的技术方案也可以经适当组合,形成本领域技术人员可以理解的其他实施方式。
Claims (9)
1.一种隔热隔声轻质高强复合材料板,其特征在于,由纤维增强复合材料、聚合物阻尼材料、轻质多孔材料组合而成,排列顺序依次是纤维增强复合材料、聚合物阻尼材料、轻质多孔材料、聚合物阻尼材料、纤维增强复合材料和轻质多孔材料,相邻的轻质多孔材料和纤维增强复合材料之间采用耐温材料进行Z向穿线连接,所述纤维增强复合材料厚度为2~6mm,所述聚合物阻尼材料厚度1~2mm,所述轻质多孔材料厚度20~30mm或35~45mm。
2.根据权利要求1所述的隔热隔声轻质高强复合材料板,其特征在于,所述纤维增强复合材料为纤维增强聚合物基复合材料,所述聚合物阻尼材料为粘弹性高分子材料,所述轻质多孔材料为有机泡沫或无机棉类多孔材料。
3.根据权利要求1所述的隔热隔声轻质高强复合材料板,其特征在于,所述纤维增强复合材料选用碳纤维增强环氧树脂、玻璃纤维增强环氧树脂、碳纤维增强聚酯树脂、玻璃纤维增强聚酯树脂、碳纤维增强酚醛树脂、玻璃纤维增强酚醛树脂中的一种或多种。
4.根据权利要求2所述的隔热隔声轻质高强复合材料板,其特征在于,所述粘弹性高分子材料选用醋酸乙烯酯、丙烯酸酯、聚氨酯、环氧树脂中的一种或几种。
5.根据权利要求1所述的隔热隔声轻质高强复合材料板,其特征在于,所述轻质多孔材料选用聚氨酯泡沫、酚醛泡沫、聚酰亚胺泡沫、矿物棉毡、玻璃棉毡、聚酯毡中的一种或几种。
6.根据权利要求5所述的隔热隔声轻质高强复合材料板,其特征在于,轻质多孔材料的孔径范围为0.1~100um,孔隙率为20%~95%,密度为10kg/m3~80kg/m3。
7.根据权利要求1所述的隔热隔声轻质高强复合材料板,其特征在于,相邻的轻质多孔材料和纤维增强复合材料之间采用碳纤维丝或无机矿物线进行Z向穿线连接。
8.权利要求1—7任意一项所述的隔热隔声轻质高强复合材料板的制作工艺,包括如下步骤:
步骤一:选择两块厚度为2~6mm的纤维增强复合材料板与一块厚度为20~30mm的轻质多孔材料板,利用厚度为1~2mm的聚合物阻尼材料将轻质多孔材料板和两块纤维增强复合材料板粘接形成三明治结构,轻质多孔材料板夹在中间;
步骤二:将三明治结构和35~45mm厚的轻质多孔材料板采用耐温材料进行Z向穿线缝合连接在一起,形成隔热隔声轻质高强复合材料板。
9.根据权利要求1—7任意一项所述的隔热隔声轻质高强复合材料板在船舶制造、机械制造、蒸汽动力设备或蒸汽管路系统中的应用。
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