CN110228245B - 一种石墨烯纳米导静电橡胶耐磨拖地带及其制备方法 - Google Patents
一种石墨烯纳米导静电橡胶耐磨拖地带及其制备方法 Download PDFInfo
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Abstract
本发明涉及一种导静电橡胶拖地带及其制备方法，特别涉及一种石墨烯纳米导静电橡胶耐磨拖地带及其制备方法。所述石墨烯纳米导静电橡胶耐磨拖地带包括导静电橡胶层和设置于导静电橡胶层中的导电陶瓷。本发明一种石墨烯纳米导静电橡胶耐磨拖地带，利用石墨烯纳米技术新材料，改性橡胶交联体作用而形成网状高分子改性橡胶材料，使橡胶制品的强度、耐磨性、耐高低温性、耐老化性等性能大幅度提高。并且，在导静电橡胶带中粘结夹持了耐磨导电陶瓷片，满足橡胶拖地带在有效期内始终保持着地，无需再调整长度，保证了安全，方便了使用，提高了经济效益。
Description
技术领域
本发明涉及一种导静电橡胶拖地带及其制备方法，特别涉及一种石墨烯纳米导静电橡胶耐磨拖地带及其制备方法。
背景技术
导静电橡胶广泛应用于电子、化工、军事、航天等科学技术领域，导静电橡胶带主要起到防止静电产生，有效地防燥，防静电干扰的作用。现有导静电橡胶拖地带的产品，是使用石墨或炭黑等导电材料来达到导静电的目的。通常为了达到橡胶导静电要求只有过量使用炭黑或石墨粉，才能满足导静电橡胶的要求。但是，上述过量添加炭黑或石墨粉就影响了橡胶的性能，而且橡胶的耐磨性有限，几个月就磨耗了拖地带有效长度，并且在使用的几个月当中要多次调整，这样不仅不安全，而且非常不方便使用。
利用石墨烯纳米技术开发的纳米陶瓷材料，在显微镜结构中晶粒、晶界以及它们之间的结合都处于纳米水平(1～100nm)，纳米陶瓷的强度、韧性和超塑性相当于普通陶瓷都大幅度提高，克服了陶瓷材料本身存在的脆性裂纹、均匀性差、抗击性能查的缺陷。碳化硅又称碳硅石，在当代C、N、B等非氧化物高技术耐火原料中碳化硅为应用最广泛最经济的一种，可以称为金钢砂，硬度很大,莫氏硬度为9.5级，仅次于世界上最硬的金刚石(10级)，具有优良的导电半导体性能，化学稳定。
发明内容
为解决现有技术存在的不足，本发明提供一种石墨烯纳米导静电橡胶耐磨拖地带及其制备方法。
本发明的技术方案为：
一种石墨烯纳米导静电橡胶耐磨拖地带，其特征在于：包括导静电橡胶层和设置于导静电橡胶层中的导电陶瓷。
进一步的，所述导静电橡胶层包括从下到上依次设置的第一导静电橡胶层、第二导静电橡胶层和第三导静电橡胶层，所述第二导静电橡胶层中设置导电陶瓷安装槽，所述导电陶瓷通过胶黏剂固定在导电陶瓷安装槽内。
进一步的，所述导电陶瓷为石墨烯复合碳化硅导电陶瓷片。
进一步的，所述石墨烯纳米导静电橡胶耐磨拖地带的制备方法，包括如下步骤：
1)将第一导静电橡胶层、粘接有导电陶瓷片的第二导静电橡胶层和第三导静电橡胶层从下到上按照规格依次排列；
2)将步骤1)中排列好的3层导静电橡胶层，用分条机分切成所需规格的导静电橡胶带；
3)将步骤2)中导静电橡胶带，逐一放置到平板式硫化机模具里进行硫化成型，硫化温度为170℃左右，硫化时间为12分钟～20分钟。
进一步的，所述导静电橡胶层包括如下重量份的各组分：橡胶70～80份、炭黑20～35份、磁铁矿粉60～80份、碳纤维5～20份、石墨烯1～5份、氧化锌1～3份、硫磺1～2份、硬脂酸1～2份、促进剂1～2份、防老剂1.5～2.5份、分散剂1～3份、松焦油3～5份。
进一步的，所述导静电橡胶层的制备方法为：
1)称取去离子水、分散剂、石墨烯、碳纤维投放到超声波搅拌机里进行超波搅拌2小时～3小时；
2)把步骤1)中石墨烯碳纤维混合料，投放到甩干机里进行甩干和烘干处理，得到表面改性的石墨烯复合短切碳纤维；
3)将石墨烯、炭黑、磁铁矿粉以及步骤2)中改性后的石墨烯复合短切碳纤维放入DTH-1200型犁刀式混合机里30分钟～50分钟，进行分散，混合得到碳纤维与粉体材料的均匀混合材料；
4)把橡胶、氧化锌、硬脂酸、防老剂、松焦油，投放到炼胶机上，在50℃左右温度下进行密炼、开炼、压延20分钟～30分钟；
5)把步骤3)粉体石墨烯纤维混合物继续投放到炼胶机上，在60℃左右温度下继续进行密炼、开炼、压延20分钟～30分钟；
6)把硫磺和促进剂投放到炼胶机上的混合物料上，在60℃左右温度下继续炼胶20分钟～30分钟后，用压延机压延出炼胶石墨烯纳米导晶电橡胶层。
进一步的，所述橡胶为国标1#、2#天然橡胶、丁苯橡胶、丁腈橡胶、乙丙橡胶、聚氨酯橡胶、丁基橡胶、氟橡胶、顺丁橡胶、氯丁橡胶中的任意一种。
进一步的，所述炭黑细度为100～150μm的导电炭黑；所述磁铁矿细度为50μm～100μm的粉体；所述碳纤维为长度为2～10mm的经过表面改性的短切碳纤维；所述硫磺细度为100～200μm的硫磺粉体。
进一步的，所述石墨烯为5～10层导电石墨烯粉体。
进一步的，所述氧化锌为橡胶专用间接法氧化锌粉体；所述硬脂酸为橡胶专用十八烷酸粉体；所述促进剂为二甲基二硫代氨基甲酸锌含量为18.7％、N-环已基-2-苯并噻唑次磺酰胺含量为15.6％、二正丁基二硫代氨基甲酸锌含量18.7％、C7H5NS2含量46％的促进剂组合；所述橡胶防老剂为N-环己基-N'-苯基对苯二胺4010防老剂和防老剂CAS-1232-22组合；所述分散剂为HEC羟乙基纤维素；所述松焦油为环保性植物松焦油液体。
本发明所达到的有益效果为：
本发明一种石墨烯纳米导静电橡胶耐磨拖地带，利用石墨烯纳米技术新材料，改性橡胶交联体作用而形成网状高分子改性橡胶材料，使橡胶制品的强度、耐磨性、耐高低温性、耐老化性等性能大幅度提高。并且，在导静电橡胶带中粘结夹持了耐磨导电陶瓷片，满足橡胶拖地带在有效期内始终保持着地，无需再调整长度，保住了安全，方便了使用，提高了经济效益。
附图说明
图1是本发明一种石墨烯纳米导静电橡胶耐磨拖地带未放置导电陶瓷片的结构示意图。
图2是本发明一种石墨烯纳米导静电橡胶耐磨拖地带放置导电陶瓷片的结构示意图。
其中，1、第一导静电橡胶层；2、第二导静电橡胶层；3、第三导静电橡胶层；4、导电陶瓷安装槽；5、导电陶瓷片。
具体实施方式
为便于本领域的技术人员理解本发明，下面结合附图说明本发明的具体实施方式。
如图1和2所示，一种石墨烯纳米导静电橡胶耐磨拖地带，所述导静电橡胶层包括从下到上依次设置的第一导静电橡胶层1、第二导静电橡胶层2和第三导静电橡胶层3，所述第二导静电橡胶层2中设置导电陶瓷安装槽4，所述导电陶瓷片5通过胶黏剂固定在导电陶瓷安装槽4内。所述胶黏剂为粘结金属或陶瓷的橡胶硫化胶黏剂，所述导电陶瓷为石墨烯复合碳化硅导电陶瓷片。
上述石墨烯纳米导静电橡胶耐磨拖地带的制备方法，包括如下步骤：
1)将第一导静电橡胶层1、粘接有导电陶瓷片5第二导静电橡胶层2和第三导静电橡胶层3从下到上按照规格依次排列；
2)将步骤1)中排列好的3层导静电橡胶层，用分条机分切成所需规格的导静电橡胶带；
3)将步骤2)中导静电橡胶带，逐一放置到平板式硫化机模具里进行硫化成型，硫化温度为170℃左右，硫化时间为12分钟～20分钟。
实施例1
一种导静电橡胶层包括以下重量份的各组分：橡胶80份、炭黑25份、氧化锌2份、硫磺2份、硬脂酸1.5份、促进剂1.5份、防老剂2份、松焦油4份。
实施例2
一种导静电橡胶层包括以下重量份的各组分：橡胶80份、炭黑25、磁铁矿60份、长度5mm改性短切碳纤维5份、石墨烯1份、氧化锌2份、硫磺2份、硬脂酸1.5份、促进剂1.5份、防老剂2份、松焦油4份。
实施例3
一种导静电橡胶层包括以下重量份的各组分：橡胶80份、炭黑25份、磁铁矿70份、长度5mm改性短切碳纤维10份、石墨烯3份、氧化锌2份、硫磺2份、硬脂酸1.5份、促进剂1.5份、防老剂2份、松焦油4份。
实施例4
一种导静电橡胶层包括以下重量份的各组分：橡胶80份、炭黑25、磁铁矿80份、长度5mm改性短切碳纤维15份、石墨烯5份、氧化锌2份、硫磺2份、硬脂酸1.5份、促进剂1.5份、防老剂2份、松焦油4份。
上述实施例1-4中导静电橡胶层的制备方法为：
1)称取去离子水、分散剂、石墨烯、碳纤维投放到超声波搅拌机里进行超波搅拌2小时～3小时；
2)把步骤1)中石墨烯碳纤维混合料，投放到甩干机里进行甩干和烘干处理，得到表面改性的石墨烯复合短切碳纤维；
3)将石墨烯、炭黑、磁铁矿粉以及步骤2)中改性后的石墨烯复合短切碳纤维放入DTH-1200型犁刀式混合机里30分钟～50分钟，进行分散，混合得到碳纤维与粉体材料的均匀混合材料；
4)把橡胶、氧化锌、硬脂酸、防老剂、松焦油，投放到炼胶机上，在50℃左右温度下进行密炼、开炼、压延20分钟～30分钟；
5)把步骤3)粉体石墨烯纤维混合物继续投放到炼胶机上，在60℃左右温度下继续进行密炼、开炼、压延20分钟～30分钟；
6)把硫磺和促进剂投放到炼胶机上的混合物料上，在60℃左右温度下继续炼胶20分钟～30分钟后，用压延机压延出炼胶石墨烯纳米导晶电橡胶层。
试验例
在室内温度25℃下测得实施例1-4中各个性能数据表1-4所示：其中氧化锌、硫磺、硬脂酸、促进剂、防老剂、松焦油等在1-4实验中所添加重量份一致。
表1：实施例1中在室内温度25℃下测得的性能参数；
表2：实施例2中在室内温度25℃下测得的性能参数
表3：实施例3中在室内温度25℃下测得的性能参数
表4：实施例4中在室内温度25℃下测得的性能参数
从表1-4中可以看出，在橡胶体材料里添加石墨烯和碳纤维材料明显改善和提高橡胶材料的各个性能，但还是满足不了导静电橡胶拖地带的理想耐磨度。在石墨烯纳米导静电橡胶拖地带中夹持粘结了导电陶瓷片，解决了导静电橡胶拖地带的导电性、耐磨性、安全性、经济性，对安保车辆来说保证了安全，方便了使用，导静电橡胶拖地带来说是一个创新性革命。
本发明中的橡胶，在硫化过程中石墨烯和碳纤维借助促进剂与橡胶交联作用而形成网状高分子改性橡胶材料，使橡胶制品的强度、耐磨性、耐高低温性、耐老化性等性能大幅度提高外，满足导静电橡胶材料的导电要求，另外本发明中的石墨烯导静电拖地带与地面接触部位橡胶带里夹持着石墨烯高耐磨导电陶瓷，满足导静电橡胶拖地带在有效期内不用调整始终与地面接触导静电，满足了导静电橡胶拖地带给车带来安全，给用户带来方便和经济性。
以上所述的本发明实施方式，并不构成对本发明保护范围的限定。任何在本发明的精神和原则之内所作的修改、等同替换和改进等，均应包含在本发明的权利要求保护范围之内。
Claims (7)
1.一种石墨烯纳米导静电橡胶耐磨拖地带，其特征在于：包括导静电橡胶层和设置于导静电橡胶层中的导电陶瓷；所述导静电橡胶层包括如下重量份的各组分：橡胶70～80份、炭黑20～35份、磁铁矿粉60～80份、碳纤维5～20份、石墨烯1～5份、氧化锌1～3份、硫磺1～2份、硬脂酸1～2份、促进剂1～2份、防老剂1.5～2.5份、分散剂1～3份、松焦油3～5份；所述导静电橡胶层的制备方法为：
1)称取去离子水、分散剂、石墨烯、碳纤维投放到超声波搅拌机里进行超波搅拌2小时～3小时；
2)把步骤1)中石墨烯碳纤维混合料，投放到甩干机里进行甩干和烘干处理，得到表面改性的石墨烯复合短切碳纤维；
3)将石墨烯、炭黑、磁铁矿粉以及步骤2)中改性后的石墨烯复合短切碳纤维放入犁刀式混合机里30分钟～50分钟，进行分散，混合得到碳纤维与粉体材料的均匀混合材料；
4)把橡胶、氧化锌、硬脂酸、防老剂、松焦油，投放到炼胶机上，在50℃温度下进行密炼、开炼、压延20分钟～30分钟；
5)把步骤3)粉体石墨烯纤维混合物继续投放到炼胶机上，在60℃温度下继续进行密炼、开炼、压延20分钟～30分钟；
6)把硫磺和促进剂投放到炼胶机上的混合物料上，在60℃温度下继续炼胶20分钟～30分钟后，用压延机压延出炼胶石墨烯纳米导静电橡胶层。
2.根据权利要求1所述的一种石墨烯纳米导静电橡胶耐磨拖地带，其特征在于：所述导静电橡胶层包括从下到上依次设置的第一导静电橡胶层、第二导静电橡胶层和第三导静电橡胶层，所述第二导静电橡胶层中设置导电陶瓷安装槽，所述导电陶瓷通过胶黏剂固定在导电陶瓷安装槽内。
3.根据权利要求2所述的一种石墨烯纳米导静电橡胶耐磨拖地带，其特征在于：所述导电陶瓷为石墨烯复合碳化硅导电陶瓷片。
4.根据权利要求3所述的一种石墨烯纳米导静电橡胶耐磨拖地带，其特征在于，拖地带的制备方法包括如下步骤：
1)将第一导静电橡胶层、粘接有导电陶瓷片的第二导静电橡胶层和第三导静电橡胶层从下到上按照规格依次排列；
2)将步骤1)中排列好的3层导静电橡胶层，用分条机分切成所需规格的导静电橡胶带；
3)将步骤2)中导静电橡胶带，逐一放置到平板式硫化机模具里进行硫化成型，硫化温度为170℃，硫化时间为12分钟～20分钟。
5.根据权利要求1或4所述的一种石墨烯纳米导静电橡胶耐磨拖地带，其特征在于：所述橡胶为国标1#天然橡胶、国标2#天然橡胶、丁苯橡胶、丁腈橡胶、乙丙橡胶、聚氨酯橡胶、丁基橡胶、氟橡胶、顺丁橡胶、氯丁橡胶中的任意一种。
6.根据权利要求1或4所述的一种石墨烯纳米导静电橡胶耐磨拖地带，其特征在于：所述炭黑细度为100～150μm；所述磁铁矿粉细度为50～100μm；所述硫磺细度为100～200μm。
7.根据权利要求1或4所述的一种石墨烯纳米导静电橡胶耐磨拖地带，其特征在于：所述石墨烯为5～10层导电石墨烯粉体。
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