CN109679177A - 船用钢丝网芯阻尼橡胶板及其制备方法 - Google Patents
船用钢丝网芯阻尼橡胶板及其制备方法 Download PDFInfo
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Abstract
船用钢丝网芯阻尼橡胶板及其制备方法,所述阻尼橡胶板包括上覆盖胶层、骨架层和下覆盖胶层,所述骨架层内设置有钢丝网芯,上覆盖胶层和下覆盖胶层均由阻尼橡胶制成,所述阻尼橡胶按重量份数计其组成为,氯丁基橡胶1086:60份;三元乙丙橡胶4045:30份;POE塑料:10份;氧化锌:5份;硬脂酸:1份;防老剂MB:2份;染色剂:5份;云母粉:40份;十溴:30份;三氧化二锑:10份;钛白粉:10份;石蜡油:10份;架桥剂DCP:8份;硫:0.8份。本发明的阻尼橡胶板具有高阻尼、减震、阻燃、耐撕裂、耐臭氧、耐酸碱,抗老化等多项优点,综合性能优异,适用于高负荷、苛刻条件使用。
Description
技术领域
本发明涉及橡胶技术领域,属于橡胶板的结构改进,具体地说是一种船用钢丝网芯阻尼橡胶板及其制备方法。
背景技术
橡胶板是以橡胶为主体材料(可含有织物、金属网、金属薄板等增强材料),经硫化而制得片状产品,橡胶板具有较高硬度,由混炼胶经压延贴合成型或挤出成型,用平板硫化机硫化或用鼓式硫化机连续硫化而制成。阻尼橡胶板是橡胶板的一种,又称为工业橡胶板、绝缘橡胶板,因其具有良好的隔音隔热、抗震性能,适用于船舶、冷库、汽车以及影剧院等场所用于隔音、隔热。
目前随着船舶工业的快速发展,船舶减震降噪的要求越来越高。近来市场上出现了采用阻尼板材减震、降噪的趋势,并在汽车领域得到了广泛使用,但由于船舶航行上振动远比车辆行驶的振动大,加之船舶航行于水面,经常需要在甲板上起落重物,因此,船用阻尼橡胶板需要具有较好的强力。
如中国专利(申请公布号CN107488002A)公开了“一种环保型阻尼板”,所述环保型阻尼板按质量百分比计,其组成为:丁基橡胶2~5%;石油树脂10~15%;乙烯-醋酸乙烯共聚树脂3~6%;聚异丁烯2~5%;保温填料1~6%;填料60~75%;稀释剂1~3%;特种填充剂1~3%。替代传统阻尼板。所述环保型阻尼板与现有技术相比,环保型阻尼板不含沥青,而传统阻尼板是以沥青为主体材料。
再如中国专利(授权公告号CN1253308C)公开了一种客运汽车地板用“复合阻尼板及其制造方法”,由底层板、阻尼夹层板和表层板加热压制而成;阻尼夹层板以再生橡胶、废弃塑料为原料制成。该复合阻尼板是将阻尼夹层板之片材的两外表面浸附粘结剂后,置于底层板、表层板之间,在热压机上加温80-140℃,加压8-16MPa,保持5-20分钟制成的。这种复合阻尼板生产工艺简单,生产设备少、制造成本低,特别是利用废弃橡胶、塑料,有利保护环境,社会效益好。这种复合阻尼板隔音、减震效果好,平均降噪指标8-10dB(A),可以广泛用于客运汽车、火车、轮船以及建筑物内需要隔音、减震的场合。
现有的船用阻尼板大都只是采用天然橡胶制成,抗拉强度和抗折强度性能低,耐高温性能差,容易产生开裂、变形;结构强度差,阻尼较小、强力不足,容易在长期的使用中出现撕裂、脱落的问题,维护成本高。
发明内容
本发明提供一种船用钢丝网芯阻尼橡胶板及其制备方法,用以解决现有的阻尼橡胶板阻尼较小、强力不足问题。
为实现本发明的目的,采用以下技术方案:
船用钢丝网芯阻尼橡胶板,所述阻尼橡胶板包括上覆盖胶层、骨架层和下覆盖胶层,所述骨架层内设置有钢丝网芯,上覆盖胶层和下覆盖胶层均由阻尼橡胶制成,所述阻尼橡胶按重量份数计其组成为,氯丁基橡胶1086:60份;三元乙丙橡胶4045:30份;POE塑料:10份;氧化锌:5份;硬脂酸:1份;防老剂MB:2份;染色剂:5份;云母粉:40份;十溴:30份;三氧化二锑:10份;钛白粉:10份;石蜡油:10份;架桥剂DCP:8份;硫:0.8份。
为了进一步提高本发明的效果,还可以采用以下技术方案:
所述POE塑料型号为DF8200。所述染色剂为酞青绿。所述骨架层内设置有一层钢丝网芯。所述钢丝网芯包括径向、纬向的钢丝帘线,径向、纬向的钢丝帘线直径为1~3mm,相邻径向或纬向的钢丝帘线间距为2~5mm。所述钢丝帘线为镀铜钢丝,所述钢丝网芯由两根纬向的钢丝帘线与径向的钢丝帘线上、下交错编制。
本发明还提供了一种船用钢丝网芯阻尼橡胶板制备方法,包括以下步骤:
S1.将配方量的POE塑料,在温度为90~100℃条件下用密炼机混炼下片;
S2.再将氯丁基橡胶、三元乙丙橡胶4045、钛白粉与步骤S1制取的POE塑料片一起和石蜡油按比例配合后,在温度为80~90℃条件下用密炼机混炼;
S3.然后按比例加入云母粉、十溴和三氧化二锑,在温度为80~90℃条件下用密炼机混炼;
S4.再按比例加入氧化锌、硬脂酸、防老剂MB和染色剂,在温度为80~90℃条件下用密炼机混炼,然后下片冷却获得一段料;
S5.将步骤S4制取的一段料停放8~24小时后,在温度90~100℃条件下用密炼机混炼3分钟,再按比例加入架桥剂DCP和硫用密炼机混炼3分钟,然后下片冷却获得二段料;
S6.将步骤S5制取的二段料用压延机加工出胶片;
S7.把钢丝网芯与步骤S6制取的胶片通过压延机压合成型;
S8.然后利用模具将步骤S7制取的板坯进硫化机硫化,获得钢丝网芯阻尼橡胶板。
所述步骤S2、S3中密炼机的混炼时间均为3分钟,步骤S4的中密炼机的混炼时间为2分钟。所述步骤S8的硫化为二次硫化方式:一次硫化条件为温度150~155℃下15分钟以上,然后待一次硫化冷却后,在温度175~180℃下进行二次硫化3分钟以上。
本发明的有益效果:
1、经多次试验和测试,本发明的船用钢丝网芯阻尼橡胶板相较于现有的普通阻尼橡胶,破断拉力与抗疲劳性能增强,抗撕裂强度至少提高30%以上,显著提高其使用寿命,降低维护成本。
2、本船用钢丝网芯阻尼橡胶板中设置的钢丝网芯与橡胶体具有较好的黏着强度,在与橡胶片料成形或硫化的过程中,与片料融合度高、附着充分,增强了本阻尼橡胶板的抗撕裂强力,同时,由于钢丝网芯形成骨架,从而更好的提高板体的强度。
4、本发明还具备具有高阻尼、减震、阻燃、耐撕裂、耐臭氧、耐酸碱,抗冲击、抗老化等多项优点,综合性能优异,适用于高负荷、苛刻使用条件场所。
附图说明
图1是本发明的结构示意图;
图2是本发明的流程图。
附图标记:1-上覆盖胶层,2-下覆盖胶层,3-骨架层,4-钢丝网,41-径向钢丝帘线,42-纬钢丝帘线
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。
如图1所示,本实施例公开的一种船用钢丝网芯阻尼橡胶板,该阻尼橡胶板包括上覆盖胶层1、骨架层3和下覆盖胶层2,骨架层3内设置有钢丝网芯,上覆盖胶层1和下覆盖胶层2均由阻尼橡胶制成。
该阻尼橡胶按重量份数其组成为,氯丁基橡胶1086:60份;三元乙丙橡胶4045:30份;POE塑料:10份;氧化锌:5份;硬脂酸:1份;防老剂MB:2份;染色剂:5份;云母粉:40份;十溴:30份;三氧化二锑:10份;钛白粉:10份;石蜡油:10份;架桥剂DCP:8份;硫:0.8份。
其中,上述三元乙丙橡胶为EPDM4045,POE塑料为DF8200。染色剂可以使用,酞青绿、氧化铬等绿色着色剂,或者硫化镉、耐晒黄等黄色着色剂,或者碳黑、氧化铁黑等黑色着色剂,以更好的适配使用环境需求。
本实施例的钢丝网芯包括径向、纬向的钢丝帘线,径向、纬向的钢丝帘线直径为1~3mm,相邻径向或纬向的钢丝帘线间距为2~5mm。该钢丝帘线为镀铜钢丝,该钢丝网芯由两根纬向的钢丝帘线与径向的钢丝帘线上、下交错编制。
由于钢丝网芯在纬向径向上的强力均为200N,因此可以较好的提高本阻尼橡胶板的整体强度,保持较好的一致性。
本实施例中的阻尼橡胶成分(重量份)如下表1所示:
原材料名称 | 质量份数 |
氯化丁基1068 | 60 |
EPDM4045 | 30 |
POE(DF8200) | 10 |
氧化锌(间) | 5 |
硬脂酸 | 1 |
防老剂MB | 2 |
酞青绿 | 5 |
云母粉 | 40 |
十溴 | 30 |
三氧化二锑 | 10 |
钛白粉 | 10 |
石蜡油 | 10 |
架桥剂DCP | 8 |
硫 | 0.8 |
合计 | 221.8 |
橡胶本质上是粘弹性材料,本身的粘滞性阻力作用,使得应变滞后于应力,应力的正弦波与应变的正弦波产生相位差。经试验检测,在显微结构下本实施例中上覆盖胶层1、骨架层3和下覆盖胶层2内的阻尼橡胶,橡胶分子在主链和侧链上含有较大空间位阻基团,能阻碍链段运动,增加分子之间的内摩擦,使阻尼系数大大增加;填料的粒径小,比表面积大,与橡胶分子的接触面较大,在动态应变中产生的滞后损耗大。本实施例中使用的阻尼橡胶,相比现有的阻尼胶板材料,其阻尼系数、动模量和静模量可至少提高1倍以上。
本实施例以带宽为1000mm、厚度为10mm的船用钢丝网芯阻尼橡胶板为例说明,上覆盖胶层与下覆盖胶层厚度相同均为3mm,骨架层厚度为6mm,钢丝网芯规格为SW-RE型钢丝网,由径向的钢帘线41和纬向的钢丝帘线42编制而成,钢丝网芯的具体参数见下表2所示:
具体实施的选材和制作,以说明书附图作为图纸,按照说明书附图中各个部件的比例和配合方式实施,采用强力胶黏剂连接、焊接、铆接、一体成型式连接等常用的连接方式,根据实际连接强度需要,无需创造性的选择对应的连接方式、连接点的厚度和强度。
经试验检测,在钢丝网芯选用上述表2第二方案条件下,本实施例中船用钢丝网芯阻尼橡胶板性能参数如下表3所示:
实验项目 | 数值 |
拉伸强度,Mpa | 9.2 |
拉断伸长率,% | 800% |
撕裂强度,N | 1200 |
邵尔A型硬度,° | 60~75 |
扯断永久变形,% | 25 |
阻尼系数tgδ | ≥0.4 |
βmax时剪切模量G’(125Hz),pa | 3.3Mpa |
工作温度,℃ | -60℃~160℃ |
钢丝网芯与橡胶体形成较好的融合黏着,具有较好的温度适应性,结合上覆盖胶层与下覆盖胶层,增加了阻尼系数,在减震、阻燃、耐撕裂、耐臭氧、耐酸碱;抗冲击、抗老化等多项优点,综合性能优异,适用于高负荷、苛刻使用条件场所。
本实施例的船用钢丝网芯阻尼橡胶板,其制备方法如下:
S1.将配方量的POE塑料,在温度为90~100℃条件下用密炼机混炼下片;
S2.再将氯丁基橡胶、三元乙丙橡胶4045、钛白粉与步骤S1制取的POE塑料片一起和石蜡油按比例配合后,在温度为80~90℃条件下用密炼机混炼3分钟;
S3.然后按比例加入云母粉、十溴和三氧化二锑,在温度为80~90℃条件下用密炼机混炼3分钟;
S4.再按比例加入氧化锌、硬脂酸、防老剂MB和染色剂,在温度为80~90℃条件下用密炼机混炼2分钟,然后下片冷却获得一段料;
S5.将步骤S4制取的一段料停放8~24小时后,在温度90~100℃条件下用密炼机混炼3分钟,再按比例加入架桥剂DCP和硫用密炼机混炼3分钟,然后下片冷却获得二段料;
S6.按设计的尺寸要求,将步骤S5制取的二段料用压延机加工出相应尺寸、厚度的胶片;
S7.按设计要求编制钢丝网并剪裁相应大小,再将钢丝网芯与步骤S6制取的胶片通过压延机压合成型;
S8.然后利用一体模具和设备配套的推拉模具,将步骤S7制取的板坯送入硫化机硫化,获得钢丝网芯阻尼橡胶板。
根据设计的胶板厚度,当厚度大于20mm时步骤S8可采用二次硫化方式:一次硫化条件为温度150~155℃下15分钟以上,然后待一次硫化冷却后,在温度175~180℃下进行二次硫化3分钟以上。采用二次硫化,可以提高本阻尼橡胶板的致密性、稳定性,并能较好的消除橡胶板的异味。
以带宽为1000mm、厚度为10mm的船用钢丝网芯阻尼橡胶板为例说明,上覆盖胶层与下覆盖胶层厚度相同均为3mm,骨架层厚度为6mm,钢丝网芯规格为SW-RE型钢丝网,由径向钢帘线41和纬向钢丝帘线42编制而成,结合上覆盖胶层与下覆盖胶层,抗拉断力、强度在等均有较大的提高。钢丝网芯与橡胶体形成较好的融合黏着,具有较好的温度适应性,结合上覆盖胶层与下覆盖胶层,增加了阻尼系数,在减震、阻燃、耐撕裂、耐臭氧、耐酸碱,抗冲击、抗老化等方面具有多项优点,综合性能优异,适用于高负荷、苛刻使用条件场所。
本发明未详尽描述的技术内容均为公知技术。
Claims (9)
1.船用钢丝网芯阻尼橡胶板,其特征在于,所述阻尼橡胶板包括上覆盖胶层、骨架层和下覆盖胶层,所述骨架层内设置有钢丝网芯,上覆盖胶层和下覆盖胶层均由阻尼橡胶制成,所述阻尼橡胶按重量份数计其组成为,氯丁基橡胶1086:60份;三元乙丙橡胶4045:30份;POE塑料:10份;氧化锌:5份;硬脂酸:1份;防老剂MB:2份;染色剂:5份;云母粉:40份;十溴:30份;三氧化二锑:10份;钛白粉:10份;石蜡油:10份;架桥剂DCP:8份;硫:0.8份。
2.根据权利要求1所述的船用钢丝网芯阻尼橡胶板,其特征在于,所述POE塑料型号为DF8200。
3.根据权利要求1所述的船用钢丝网芯阻尼橡胶板,其特征在于,所述染色剂为酞青绿。
4.根据权利要求1所述的船用钢丝网芯阻尼橡胶板,其特征在于,所述骨架层内设置有一层钢丝网芯。
5.根据权利要求1所述的船用钢丝网芯阻尼橡胶板,其特征在于,所述钢丝网芯包括径向、纬向的钢丝帘线,径向、纬向的钢丝帘线直径为1-3mm,相邻径向或纬向的钢丝帘线间距为2~5mm。
6.根据权利要求5所述的船用钢丝网芯阻尼橡胶板,其特征在于,所述钢丝帘线为镀铜钢丝,所述钢丝网芯由两根纬向的钢丝帘线与径向的钢丝帘线上、下交错编制。
7.根据权利要求1-6任一所述的船用钢丝网芯阻尼橡胶板制备方法,其特征在于,包括以下步骤:
S1.将配方量的POE塑料,在温度为90~100℃条件下用密炼机混炼下片;
S2.再将氯丁基橡胶、三元乙丙橡胶4045、钛白粉与步骤S1制取的POE塑料片一起和石蜡油按比例配合后,在温度为80~90℃条件下用密炼机混炼;
S3.然后按比例加入云母粉、十溴和三氧化二锑,在温度为80~90℃条件下用密炼机混炼;
S4.再按比例加入氧化锌、硬脂酸、防老剂MB和染色剂,在温度为80~90℃条件下用密炼机混炼,然后下片冷却获得一段料;
S5.将步骤S4制取的一段料停放8~24小时后,在温度90-100℃条件下用密炼机混炼3分钟,再按比例加入架桥剂DCP和硫用密炼机混炼3分钟,然后下片冷却获得二段料;
S6.将步骤S5制取的二段料用压延机加工出胶片;
S7.把钢丝网芯与步骤S6制取的胶片通过压延机压合成型;
S8.然后利用模具将步骤S7制取的板坯进硫化机硫化,获得钢丝网芯阻尼橡胶板。
8.根据权利要求7所述的船用钢丝网芯阻尼橡胶板制备方法,其特征在于,所述步骤S2、S3中密炼机的混炼时间均为3分钟,步骤S4的中密炼机的混炼时间为2分钟。
9.根据权利要求7所述的船用钢丝网芯阻尼橡胶板制备方法,其特征在于,所述步骤S8的硫化为二次硫化方式:一次硫化条件为温度150-155℃下15分钟以上,然后待一次硫化冷却后,在温度175-180℃下进行二次硫化3分钟以上。
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