CN109109411B - 一种双面吸音橡胶板及其制备方法 - Google Patents
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Abstract
本发明公开了一种双面吸音橡胶板及其制备方法,属于橡胶材料领域。包括中间织物层,所述中间织物层上端和下端分别设有凹槽一和凹槽二,所述凹槽一和凹槽二均为弧形凹槽,所述凹槽一和凹槽二大小形状相同,所述凹槽二分别设置在两个相邻凹槽一之间,所述中间织物层上端和下端分别设有橡胶基层,所述中间织物层上端橡胶基层的下端设有与凹槽一相适配的凸块一,所述中间织物层下端橡胶基层的上端设有与凹槽二相适配的凸块二,所述橡胶基层内均匀设有纤维网层。本发明所述双面吸音橡胶板吸音性能优异且吸音效果相同,具有良好的耐磨性、耐寒性、耐热性。
Description
技术领域
本发明属于橡胶材料领域,具体涉及一种双面吸音橡胶板及其制备方法。
背景技术
橡胶是指具有可逆形变的高弹性聚合物材料,在室温下富有弹性,在很小的外力作用下能产生较大形变,除去外力后能恢复原状。橡胶属于完全无定型聚合物,它的玻璃化转变温度低,分子量往往很大,大于几十万。早期的橡胶是取自橡胶树、橡胶草等植物的胶乳,加工后制成具有弹性、绝缘性、不透水和空气的材料。是高弹性的高分子化合物。橡胶分为天然橡胶与合成橡胶二种。天然橡胶是从橡胶树、橡胶草等植物中提取胶质后加工制成;合成橡胶则由各种单体经聚合反应而得。橡胶制品广泛应用于工业或生活各方面。随着经济的不断发展,橡胶应用到方方面面,例如汽车轮胎、密封条等方面。但是,目前社会上噪音污染越来越严重,吸音材料有很大的发展空间,市场上却没有橡胶产品的吸音材料,如果有吸音功能的橡胶材料,则可以大大降低噪音污染带来的困扰。
发明内容
本发明的目的在于提供一种双面吸音橡胶板及其制备方法,该双面吸音橡胶板双面的吸音性能优异且吸音效果相同,具有良好的耐磨性、耐寒性、耐热性。
为实现上述目的,本发明提供如下技术方案:
一种双面吸音橡胶板,包括中间织物层,所述中间织物层上端和下端分别设有凹槽一和凹槽二,所述凹槽一和凹槽二均为弧形凹槽,所述凹槽一和凹槽二大小形状相同,所述凹槽二分别设置在两个相邻凹槽一之间,所述中间织物层上端和下端分别设有橡胶基层,所述中间织物层上端橡胶基层的下端设有与凹槽一相适配的凸块一,所述中间织物层下端橡胶基层的上端设有与凹槽二相适配的凸块二,所述橡胶基层内均匀设有纤维网层。
优选地,所述中间织物层包括超高分子量聚乙烯纤维、芳纶纤维,所述超高分子量聚乙烯纤维、芳纶纤维的质量比为1:3。
优选地,所述橡胶基层由以下重量份的原料组成:顺丁橡胶100-120份、异戊橡胶80-95份、空心玻璃微珠20-25份、陶瓷粉碳化硅12-17份、蛭石粉20-34份、碳纳米管30-47份。
优选地,所述纤维网层包括玻璃纤维、碳纤维,所述玻璃纤维和碳纤维的质量比为1:2。
优选地,所述中间织物层的厚度为0.2-0.5mm,所述橡胶基层厚度最大处为5-20mm,所述纤维网层的厚度为0.10-0.2mm。
优选地,所述橡胶基层内相邻两个纤维网层的距离为0.5-1mm。
优选地,一种双面吸音橡胶板的制备方法,包括以下步骤:
(1)中间织物层制备:将中间织物层的原料混合均匀,送入开松机进行开松,开松之后送入梳理装置进行梳理,接着再通过铺网机制成纵横交错的纤网,然后利用缝编机进行缝编加固,最后通过热压机压制成型,制得中间织物层,该中间织物层的平均孔径为5-35μm;
(2)纤维网层制备:将纤维网层的原料混合、开松、梳理、铺网加工成纤维网;
(3)橡胶基层制备:在开炼机依次加入橡胶基层的原料,混炼混匀后热处理,热处理结束待温度降至室温后,将混炼产物放置24小时后,在混炼产物上复合一层纤维网层,通过压延机将纤维网层和橡胶基层压合,得到基板,将多个基板压合之后用平板硫化机硫化制成橡胶,最后再通过热压机压制成型,制得带有纤维网层的橡胶基层;
(4)热压成型:在中间织物层的上端和下端分别复合带有纤维网层的橡胶基层,进行热压定型,即得所述双面吸音橡胶板。
与现有技术相比,本发明的有益效果是:
1)橡胶基层以顺丁橡胶、异戊橡胶为主料,增加了成品的耐磨性、耐寒性、耐热性,空心玻璃微珠、碳纳米管、蛭石粉具有优异的吸音效果,陶瓷粉碳化硅具有耐高温、高的抗弯强度、优良的抗氧化性、良好的耐腐蚀性、高的抗磨损性能。
2)中间织物层具有优异的吸音性能,通过特殊的起伏结构与橡胶基层结合,可以提高成品的吸声系数。
3)在橡胶基层内设置多层纤维网层,大大提高了成品的吸声系数。
4)本发明中橡胶双面都具有优异的吸音效果,且通过中间织物层的特殊结构,使橡胶两面的吸音效果相同。
附图说明
图1是本发明实施例中一种双面吸音橡胶板的结构示意图一;
图2是本发明实施例中一种双面吸音橡胶板的结构示意图二;
图中,1、中间织物层,2、凹槽一,3、凹槽二,4、橡胶基层,5、凸块一,6、凸块二,7、纤维网层。
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他实施例,都属于本发明保护的范围。
实施例1
如图1-2所示,本实施例中所述的一种双面吸音橡胶板,包括中间织物层1,所述中间织物层1上端和下端分别设有凹槽一2和凹槽二3,所述凹槽一2和凹槽二3均为弧形凹槽,所述凹槽一2和凹槽二3大小形状相同,所述凹槽二3分别设置在两个相邻凹槽一2之间,所述中间织物层1上端和下端分别设有橡胶基层4,所述中间织物层4上端橡胶基层4的下端设有与凹槽一2相适配的凸块一5,所述中间织物层1下端橡胶基层4的上端设有与凹槽二3相适配的凸块二6,所述橡胶基层4内均匀设有纤维网层7。
所述中间织物层包括超高分子量聚乙烯纤维、芳纶纤维,所述超高分子量聚乙烯纤维、芳纶纤维的质量比为1:3;所述橡胶基层由以下重量份的原料组成:顺丁橡胶100份、异戊橡胶80份、空心玻璃微珠20份、陶瓷粉碳化硅12份、蛭石粉20份、碳纳米管30份;所述纤维网层包括玻璃纤维、碳纤维,所述玻璃纤维和碳纤维的质量比为1:2;所述中间织物层的厚度为0.2mm,所述橡胶基层厚度最大处为5mm,所述纤维网层的厚度为0.10mm;所述橡胶基层内相邻两个纤维网层的距离为0.5mm。
一种双面吸音橡胶板的制备方法,包括以下步骤:
(1)中间织物层制备:将中间织物层的原料混合均匀,送入开松机进行开松,开松之后送入梳理装置进行梳理,接着再通过铺网机制成纵横交错的纤网,然后利用缝编机进行缝编加固,最后通过热压机压制成型,制得中间织物层,该中间织物层的平均孔径为5μm;
(2)纤维网层制备:将纤维网层的原料混合、开松、梳理、铺网加工成纤维网;
(3)橡胶基层制备:在开炼机依次加入橡胶基层的原料,混炼混匀后热处理,热处理结束待温度降至室温后,将混炼产物放置24小时后,在混炼产物上复合一层纤维网层,通过压延机将纤维网层和橡胶基层压合,得到基板,将多个基板压合之后用平板硫化机硫化制成橡胶,最后再通过热压机压制成型,制得带有纤维网层的橡胶基层;
(4)热压成型:在中间织物层的上端和下端分别复合带有纤维网层的橡胶基层,进行热压定型,即得所述双面吸音橡胶板。
实施例2
本实施例中所述的一种双面吸音橡胶板,包括中间织物层,所述中间织物层上端和下端分别设有凹槽一和凹槽二,所述凹槽一和凹槽二均为弧形凹槽,所述凹槽一和凹槽二大小形状相同,所述凹槽二分别设置在两个相邻凹槽一之间,所述中间织物层上端和下端分别设有橡胶基层,所述中间织物层上端橡胶基层的下端设有与凹槽一相适配的凸块一,所述中间织物层下端橡胶基层的上端设有与凹槽二相适配的凸块二,所述橡胶基层内均匀设有纤维网层。
所述中间织物层包括超高分子量聚乙烯纤维、芳纶纤维,所述超高分子量聚乙烯纤维、芳纶纤维的质量比为1:3;所述橡胶基层由以下重量份的原料组成:顺丁橡胶110份、异戊橡胶87份、空心玻璃微珠23份、陶瓷粉碳化硅14份、蛭石粉28份、碳纳米管38份;所述纤维网层包括玻璃纤维、碳纤维,所述玻璃纤维和碳纤维的质量比为1:2;所述中间织物层的厚度为0.35mm,所述橡胶基层厚度最大处为12mm,所述纤维网层的厚度为0.15mm;所述橡胶基层内相邻两个纤维网层的距离为0.7mm。
一种双面吸音橡胶板的制备方法,包括以下步骤:
(1)中间织物层制备:将中间织物层的原料混合均匀,送入开松机进行开松,开松之后送入梳理装置进行梳理,接着再通过铺网机制成纵横交错的纤网,然后利用缝编机进行缝编加固,最后通过热压机压制成型,制得中间织物层,该中间织物层的平均孔径为20μm;
(2)纤维网层制备:将纤维网层的原料混合、开松、梳理、铺网加工成纤维网;
(3)橡胶基层制备:在开炼机依次加入橡胶基层的原料,混炼混匀后热处理,热处理结束待温度降至室温后,将混炼产物放置24小时后,在混炼产物上复合一层纤维网层,通过压延机将纤维网层和橡胶基层压合,得到基板,将多个基板压合之后用平板硫化机硫化制成橡胶,最后再通过热压机压制成型,制得带有纤维网层的橡胶基层;
(4)热压成型:在中间织物层的上端和下端分别复合带有纤维网层的橡胶基层,进行热压定型,即得所述双面吸音橡胶板。
实施例3
本实施例中所述的一种双面吸音橡胶板,包括中间织物层,所述中间织物层上端和下端分别设有凹槽一和凹槽二,所述凹槽一和凹槽二均为弧形凹槽,所述凹槽一和凹槽二大小形状相同,所述凹槽二分别设置在两个相邻凹槽一之间,所述中间织物层上端和下端分别设有橡胶基层,所述中间织物层上端橡胶基层的下端设有与凹槽一相适配的凸块一,所述中间织物层下端橡胶基层的上端设有与凹槽二相适配的凸块二,所述橡胶基层内均匀设有纤维网层。
所述中间织物层包括超高分子量聚乙烯纤维、芳纶纤维,所述超高分子量聚乙烯纤维、芳纶纤维的质量比为1:3;所述橡胶基层由以下重量份的原料组成:顺丁橡胶120份、异戊橡胶95份、空心玻璃微珠25份、陶瓷粉碳化硅17份、蛭石粉34份、碳纳米管47份;所述纤维网层包括玻璃纤维、碳纤维,所述玻璃纤维和碳纤维的质量比为1:2;所述中间织物层的厚度为0.5mm,所述橡胶基层厚度最大处为20mm,所述纤维网层的厚度为0.2mm;所述橡胶基层内相邻两个纤维网层的距离为1mm。
一种双面吸音橡胶板的制备方法,包括以下步骤:
(1)中间织物层制备:将中间织物层的原料混合均匀,送入开松机进行开松,开松之后送入梳理装置进行梳理,接着再通过铺网机制成纵横交错的纤网,然后利用缝编机进行缝编加固,最后通过热压机压制成型,制得中间织物层,该中间织物层的平均孔径为35μm;
(2)纤维网层制备:将纤维网层的原料混合、开松、梳理、铺网加工成纤维网;
(3)橡胶基层制备:在开炼机依次加入橡胶基层的原料,混炼混匀后热处理,热处理结束待温度降至室温后,将混炼产物放置24小时后,在混炼产物上复合一层纤维网层,通过压延机将纤维网层和橡胶基层压合,得到基板,将多个基板压合之后用平板硫化机硫化制成橡胶,最后再通过热压机压制成型,制得带有纤维网层的橡胶基层;
(4)热压成型:在中间织物层的上端和下端分别复合带有纤维网层的橡胶基层,进行热压定型,即得所述双面吸音橡胶板。
对比例1
本实施例中所述的双面吸音橡胶板,包括中间织物层,所述中间织物层上端和下端分别设有橡胶基层,所述橡胶基层内均匀设有纤维网层。
本对比例与实施例2中的各原料成分组成及制备方法均相同,区别之处在于中间织物层和橡胶基层的形状不同,本实施例中高密度织物层和橡胶基层的截面均为平面状。
对比例2
本实施例中所述的双面吸音橡胶板,包括中间织物层,所述中间织物层上端和下端分别设有凹槽一和凹槽二,所述凹槽一和凹槽二均为方形凹槽,所述凹槽一和凹槽二大小形状相同,所述凹槽二分别设置在两个相邻凹槽一之间,所述中间织物层上端和下端分别设有橡胶基层,所述中间织物层上端橡胶基层的下端设有与凹槽一相适配的凸块一,所述中间织物层下端橡胶基层的上端设有与凹槽二相适配的凸块二,所述橡胶基层内均匀设有纤维网层。
本对比例与实施例2中的各原料成分组成及制备方法均相同,区别之处在于本实施例中的中间织物层的凹槽一和凹槽二均为方形凹槽,橡胶基层的凸块一和凸块二均为方形凸块。
对比例3
本实施例中所述的双面吸音橡胶板,包括中间织物层,所述中间织物层上端和下端分别设有凹槽一和凹槽二,所述凹槽一和凹槽二均为方形凹槽,所述凹槽一和凹槽二大小形状相同,所述凹槽二分别设置在两个相邻凹槽一之间,所述中间织物层上端和下端分别设有橡胶基层,所述中间织物层上端橡胶基层的下端设有与凹槽一相适配的凸块一,所述中间织物层下端橡胶基层的上端设有与凹槽二相适配的凸块二。
本对比例与实施例2的区别之处在于:本实施例缺少纤维网层。
对比例4
本对比例与实施例2的区别在于:本实施例中所述橡胶基层由以下重量份的原料组成,顺丁橡胶215份、空心玻璃微珠25份、陶瓷粉碳化硅17份、蛭石粉34份、碳纳米管47份。
对比例5
本对比例与实施例2的区别在于:本实施例中所述橡胶基层由以下重量份的原料组成,异戊橡胶215份、空心玻璃微珠25份、陶瓷粉碳化硅17份、蛭石粉34份、碳纳米管47份。
为了验证本发明所得材料的吸音性能,对实施例1-3和对比例1-5所得材料进行吸声系数测定,所得结果如下:
表1吸声系数测定结果
项目 | 125Hz | 250Hz | 500Hz | 1000Hz | 2000Hz |
实施例1 | 0.53 | 0.62 | 0.75 | 0.89 | 0.92 |
实施例2 | 0.67 | 0.75 | 0.86 | 0.93 | 0.97 |
实施例3 | 0.58 | 0.71 | 0.80 | 0.89 | 0.94 |
对比例1 | 0.45 | 0.53 | 0.66 | 0.70 | 0.73 |
对比例2 | 0.63 | 0.72 | 0.81 | 0.89 | 0.91 |
对比例3 | 0.32 | 0.41 | 0.55 | 0.59 | 0.63 |
对比例4 | 0.51 | 0.58 | 0.68 | 0.75 | 0.83 |
对比例5 | 0.53 | 0.61 | 0.75 | 0.81 | 0.88 |
从表1的结果可以看出,本发明制备的双面吸音橡胶板具有优异的吸音效果。
以上内容仅仅是对本发明所作的举例和说明,所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代,只要不偏离本发明或者超越本权利要求书所定义的范围,均应属于本发明的保护范围。
Claims (4)
1.一种双面吸音橡胶板,其特征在于:包括中间织物层,所述中间织物层上端和下端分别设有凹槽一和凹槽二,所述凹槽一和凹槽二均为弧形凹槽,所述凹槽一和凹槽二大小形状相同,所述凹槽二分别设置在两个相邻凹槽一之间,所述中间织物层上端和下端分别设有橡胶基层,所述中间织物层上端橡胶基层的下端设有与凹槽一相适配的凸块一,所述中间织物层下端橡胶基层的上端设有与凹槽二相适配的凸块二,所述橡胶基层内均匀设有纤维网层,所述橡胶基层内相邻两个纤维网层的距离为0.5-1mm,其中,所述中间织物层包括超高分子量聚乙烯纤维、芳纶纤维,所述超高分子量聚乙烯纤维、芳纶纤维的质量比为1:3,所述橡胶基层由以下重量份的原料组成,顺丁橡胶100-120份、异戊橡胶80-95份、空心玻璃微珠20-25份、陶瓷粉碳化硅12-17份、蛭石粉20-34份、碳纳米管30-47份。
2.根据权利要求1所述的一种双面吸音橡胶板,其特征在于:所述纤维网层包括玻璃纤维、碳纤维,所述玻璃纤维和碳纤维的质量比为1:2。
3.根据权利要求1所述的一种双面吸音橡胶板,其特征在于:所述中间织物层的厚度为0.2-0.5mm,所述橡胶基层厚度最大处为5-20mm,所述纤维网层的厚度为0.10-0.2mm。
4.根据权利要求1-3任一项所述的一种双面吸音橡胶板的制备方法,其特征在于,包括以下步骤:
(1)中间织物层制备:将中间织物层的原料混合均匀,送入开松机进行开松,开松之后送入梳理装置进行梳理,接着再通过铺网机制成纵横交错的纤网,然后利用缝编机进行缝编加固,最后通过热压机压制成型,制得中间织物层,该中间织物层的平均孔径为5-35μm;
(2)纤维网层制备:将纤维网层的原料混合、开松、梳理、铺网加工成纤维网;
(3)橡胶基层制备:在开炼机依次加入橡胶基层的原料,混炼混匀后热处理,热处理结束待温度降至室温后,将混炼产物放置24小时后,在混炼产物上复合一层纤维网层,通过压延机将纤维网层和橡胶基层压合,得到基板,将多个基板压合之后用平板硫化机硫化制成橡胶,最后再通过热压机压制成型,制得带有纤维网层的橡胶基层;
(4)热压成型:在中间织物层的上端和下端分别复合带有纤维网层的橡胶基层,进行热压定型,即得所述双面吸音橡胶板。
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CN107325527A (zh) * | 2017-07-18 | 2017-11-07 | 合肥峰腾节能科技有限公司 | 一种建筑内饰环保隔音材料及其制备方法 |
CN108003497A (zh) * | 2017-12-01 | 2018-05-08 | 合肥华福土工合成材料有限公司 | 一种吸声塑料地板及其制备方法 |
CN108249949A (zh) * | 2018-02-05 | 2018-07-06 | 黄潇 | 一种建筑用保温隔音板材及其制备方法 |
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