CN112724545A - 一种辐照氯磺化聚乙烯材料及其制备工艺 - Google Patents
一种辐照氯磺化聚乙烯材料及其制备工艺 Download PDFInfo
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Abstract
本发明涉及电缆材料技术领域，具体为一种辐照氯磺化聚乙烯材料及其制备工艺，包括以下重量份数的原料：氯磺化聚乙烯30‑50份、氯化聚乙烯50‑70份、N330炭黑20‑30份、高岭土60‑80份、氧化镁10‑12份、氯化石蜡8‑10份、辐照交联剂2‑3份和防老剂2‑4份。本发明组成原料配方合理,通过氯磺化聚乙烯型号和配比、填充剂及交联剂的优选，从而获得了耐溶剂性能和阻燃性能优异，物理机械性能优良的可辐照护套胶料；辐照使交联型聚合物交联密度提高，从而使热稳定性或耐热性有所提高，且辐照交联只需要几秒钟就可以使大分子交联，生产效率提升40％以上，减少了能量消耗，降低成本。
Description
技术领域
本发明涉及电缆材料技术领域，具体为一种辐照氯磺化聚乙烯材料及其制备工艺。
背景技术
氯磺化聚乙烯一般采用传统的蒸汽加热硫化的方式进行交联，自高能电离辐射可以引发聚乙烯交联聚合反应被发现后，大家开始对辐射交联的方式进行研究。传统硫化方式，一方面对加热能源依赖性高，煤炭、石油等能源消耗较大，污染环境增加排放，且生产不够稳定，易造成更多浪费，另外，配方中用到的过氧化物等交联助剂，也需要较高的环保要求，带来较高的成本。通过新型环保辐照橡胶型材料的研究和开发，可大大减少能源消耗和污染排放，同时，可提高产品质量的稳定性，减少浪费，且易满足环保ROHS指令的要求。
过氧化物交联需要在高温下进行，而辐照反应则在常温常压下就可完成，辐照反应便于控制，重现性好，均匀性优于过氧化物交联。辐照交联的橡胶绝缘管，重量好，均匀性佳，无烧结，无气泡，绝缘层不粘导体，易剥离，消除了由于熔融造成的偏心和变色，且易于挤出加工，化合物的储存期限长；另外，化学交联时，由于过氧化物分解需要一定的温度和时间，并消耗大量热能，热效率低，反应时间长，所以生产效率低。
发明内容
本发明的目的在于提供一种辐照氯磺化聚乙烯材料及其制备工艺，以解决上述背景技术中提出环保聚氯乙烯材料采用的TOTM的危害性，TCO要求不再使用TOTM的问题。
为实现上述目的，本发明提供如下技术方案：
一种辐照氯磺化聚乙烯材料，包括以下重量份数的原料：氯磺化聚乙烯30-50份、氯化聚乙烯50-70份、N330炭黑20-30份、高岭土60-80份、氧化镁10-12份、氯化石蜡8-10份、辐照交联剂2-3份和防老剂2-4份。
作为优选，包括以下重量份数的原料：氯磺化聚乙烯40份、氯化聚乙烯60份、N330炭黑25份、高岭土80份、氧化镁10份、氯化石蜡8份、辐照交联剂2份和防老剂2.6份。
作为优选，包括以下重量份数的原料：氯磺化聚乙烯50份、氯化聚乙烯50份、N330炭20份、高岭土70份、氧化镁10份、氯化石蜡8份、辐照交联剂3份和防老剂3.5份。
作为优选，包括以下重量份数的原料：氯磺化聚乙烯45份、氯化聚乙烯55份、N330炭黑30份、高岭土70份、氧化镁12份、氯化石蜡10份、辐照交联剂2.5份和防老剂3.5份。
作为优选，所述氯磺化聚乙烯采用经氯化和磺化处理后的聚乙烯衍生物，其氯含量为35％，硫含量为1.5％。
作为优选，所述氯化聚乙烯为橡胶B型氯化聚乙烯，氯含量为35％。
作为优选，所述氯化石蜡采用环保型短链氯化石蜡。
作为优选，所述辐照交联剂具体为三甲基丙烯酸三羟甲基丙烷酯。
作为优选，所述防老剂采用防老剂RD、抗氧剂1010和微晶蜡的混合物。
另一方面，本发明还提供一种辐照氯磺化聚乙烯材料的制备工艺，包括上述辐照氯磺化聚乙烯材料，包括以下步骤：
S1：按重量百分比称取各原料；
S2：将氯磺化聚乙烯、氯化聚乙烯、氧化镁、氯化石蜡和防老剂送入至密炼机中密炼15-20min，混炼的温度为65-75℃，得到混合物料；
S3：将N330炭黑、高岭土加入研磨机中以150-170r/min的转速研磨15-20min，得到混合粉末；
S4：将混合粉末与步骤S2中的混合物料加入密炼机中密炼完全，混链温度为65-70℃，混链5-8min；
S5：加入辐照交联剂，进行辐照后，得到辐照氯磺化聚乙烯材料。
与现有技术相比，本发明的有益效果是：
1、本辐照氯磺化聚乙烯材料及其制备工艺中，组成原料配方合理,通过氯磺化聚乙烯型号和配比、填充剂及交联剂的优选，从而获得了耐溶剂性能和阻燃性能优异，物理机械性能优良的可辐照护套胶料；辐照使交联型聚合物交联密度提高，从而使热稳定性或耐热性有所提高，且辐照交联只需要几秒钟就可以使大分子交联，生产效率提升40％以上，减少了能量消耗，降低成本。
2、本发明的辐照氯磺化聚乙烯材料及其制备工艺通过新型环保辐照橡胶型材料的研究和开发，可大大减少能源消耗和污染排放，同时，提高了产品质量的稳定性，减少浪费，且易满足环保ROHS指令的要求；辐照反应则在常温常压下就可完成，辐照反应便于控制，重现性好，均匀性优于过氧化物交联，此外，辐照交联的橡胶绝缘管，重量好，均匀性佳，无烧结，无气泡，绝缘层不粘导体，易剥离，消除了由于熔融造成的偏心和变色，且易于挤出加工，化合物的储存期限长；辐照使交联型聚合物交联密度提高，从而使热稳定性或耐热性有所提高。另外，相比于化学交联时，由于过氧化物分解需要一定的温度和时间，并消耗大量热能，热效率低，反应时间长，生产效率低，辐照交联只需要几秒钟就能使大分子交联，生产效率提升40％以上，减少了能量消耗，降低成本。
具体实施方式
下面将结合本发明实施例，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。
本发明提供以下技术方案：
实施例1
一种辐照氯磺化聚乙烯材料，包括以下重量份数的原料：氯磺化聚乙烯40份、氯化聚乙烯60份、N330炭黑25份、高岭土80份、氧化镁10份、氯化石蜡8份、辐照交联剂2份和防老剂2.6份。
进一步的，氯磺化聚乙烯采用经氯化和磺化处理后的聚乙烯衍生物，其氯含量为35％，硫含量为1.5％，氯化聚乙烯为橡胶B型氯化聚乙烯，氯含量为35％。
具体的，氯化石蜡采用环保型短链氯化石蜡，辐照交联剂具体为三甲基丙烯酸三羟甲基丙烷酯。
此外，防老剂采用防老剂RD、抗氧剂1010和微晶蜡的混合物，本实施例中的防老剂RD的份数为1.0份、抗氧剂1010的份数为0.8份和微晶蜡的份数为0.8份。
本实施例的辐照氯磺化聚乙烯材料的制备工艺，包括以下步骤：
S1：按重量百分比称取各原料；
S2：将氯磺化聚乙烯、氯化聚乙烯、氧化镁、氯化石蜡和防老剂送入至密炼机中密炼15-20min，混炼的温度为65-75℃，得到混合物料；
S3：将N330炭黑、高岭土加入研磨机中以150-170r/min的转速研磨15-20min，得到混合粉末；
S4：将混合粉末与步骤S2中的混合物料加入密炼机中密炼完全，混链温度为65-70℃，混链5-8min；
S5：加入辐照交联剂，进行辐照后，得到辐照氯磺化聚乙烯材料。
本实施例中的辐照氯磺化聚乙烯材料的性能测试如下表所示：
实施例2
一种辐照氯磺化聚乙烯材料，包括以下重量份数的原料：氯磺化聚乙烯50份、氯化聚乙烯50份、N330炭20份、高岭土70份、氧化镁10份、氯化石蜡8份、辐照交联剂3份和防老剂3.5份。
进一步的，氯磺化聚乙烯采用经氯化和磺化处理后的聚乙烯衍生物，其氯含量为35％，硫含量为1.5％，氯化聚乙烯为橡胶B型氯化聚乙烯，氯含量为35％。
具体的，氯化石蜡采用环保型短链氯化石蜡，辐照交联剂具体为三甲基丙烯酸三羟甲基丙烷酯。
此外，防老剂采用防老剂RD、抗氧剂1010和微晶蜡的混合物，本实施例中的防老剂RD的份数为1.5份、抗氧剂1010的份数为1份和微晶蜡的份数为1份。
本实施例的辐照氯磺化聚乙烯材料的制备工艺，包括以下步骤：
S1：按重量百分比称取各原料；
S2：将氯磺化聚乙烯、氯化聚乙烯、氧化镁、氯化石蜡和防老剂送入至密炼机中密炼15-20min，混炼的温度为65-75℃，得到混合物料；
S3：将N330炭黑、高岭土加入研磨机中以150-170r/min的转速研磨15-20min，得到混合粉末；
S4：将混合粉末与步骤S2中的混合物料加入密炼机中密炼完全，混链温度为65-70℃，混链5-8min；
S5：加入辐照交联剂，进行辐照后，得到辐照氯磺化聚乙烯材料。
本实施例中的辐照氯磺化聚乙烯材料的性能测试如下表所示：
实施例3
一种辐照氯磺化聚乙烯材料，包括以下重量份数的原料：氯磺化聚乙烯45份、氯化聚乙烯55份、N330炭黑30份、高岭土70份、氧化镁12份、氯化石蜡10份、辐照交联剂2.5份和防老剂3.5份。
进一步的，氯磺化聚乙烯采用经氯化和磺化处理后的聚乙烯衍生物，其氯含量为35％，硫含量为1.5％，氯化聚乙烯为橡胶B型氯化聚乙烯，氯含量为35％。
具体的，氯化石蜡采用环保型短链氯化石蜡，辐照交联剂具体为三甲基丙烯酸三羟甲基丙烷酯。
此外，防老剂采用防老剂RD、抗氧剂1010和微晶蜡的混合物，本实施例中的防老剂RD的份数为1.5份、抗氧剂1010的份数为1份和微晶蜡的份数为1份。
本实施例的辐照氯磺化聚乙烯材料的制备工艺，包括以下步骤：
S1：按重量百分比称取各原料；
S2：将氯磺化聚乙烯、氯化聚乙烯、氧化镁、氯化石蜡和防老剂送入至密炼机中密炼15-20min，混炼的温度为65-75℃，得到混合物料；
S3：将N330炭黑、高岭土加入研磨机中以150-170r/min的转速研磨15-20min，得到混合粉末；
S4：将混合粉末与步骤S2中的混合物料加入密炼机中密炼完全，混链温度为65-70℃，混链5-8min；
S5：加入辐照交联剂，进行辐照后，得到辐照氯磺化聚乙烯材料。
本实施例中的辐照氯磺化聚乙烯材料的性能测试如下表所示：
本发明的辐照氯磺化聚乙烯材料及其制备工艺，组成原料配方合理,通过氯磺化聚乙烯型号和配比、填充剂及交联剂的优选，从而获得了耐溶剂性能和阻燃性能优异，物理机械性能优良的可辐照护套胶料；辐照使交联型聚合物交联密度提高，从而使热稳定性或耐热性有所提高，且辐照交联只需要几秒钟就可以使大分子交联，生产效率提升40％以上，减少了能量消耗，降低成本。
本发明的辐照氯磺化聚乙烯材料及其制备工艺通过新型环保辐照橡胶型材料的研究和开发，可大大减少能源消耗和污染排放，同时，提高了产品质量的稳定性，减少浪费，且易满足环保ROHS指令的要求；辐照反应则在常温常压下就可完成，辐照反应便于控制，重现性好，均匀性优于过氧化物交联，此外，辐照交联的橡胶绝缘管，重量好，均匀性佳，无烧结，无气泡，绝缘层不粘导体，易剥离，消除了由于熔融造成的偏心和变色，且易于挤出加工，化合物的储存期限长；辐照使交联型聚合物交联密度提高，从而使热稳定性或耐热性有所提高。另外，相比于化学交联时，由于过氧化物分解需要一定的温度和时间，并消耗大量热能，热效率低，反应时间长，生产效率低，辐照交联只需要几秒钟就能使大分子交联，生产效率提升40％以上，减少了能量消耗，降低成本。
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的仅为本发明的优选例，并不用来限制本发明，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (10)
1.一种辐照氯磺化聚乙烯材料，其特征在于：包括以下重量份数的原料：氯磺化聚乙烯30-50份、氯化聚乙烯50-70份、N330炭黑20-30份、高岭土60-80份、氧化镁10-12份、氯化石蜡8-10份、辐照交联剂2-3份和防老剂2-4份。
2.根据权利要求1所述的辐照氯磺化聚乙烯材料，其特征在于：包括以下重量份数的原料：氯磺化聚乙烯40份、氯化聚乙烯60份、N330炭黑25份、高岭土80份、氧化镁10份、氯化石蜡8份、辐照交联剂2份和防老剂2.6份。
3.根据权利要求1所述的辐照氯磺化聚乙烯材料，其特征在于：包括以下重量份数的原料：氯磺化聚乙烯50份、氯化聚乙烯50份、N330炭20份、高岭土70份、氧化镁10份、氯化石蜡8份、辐照交联剂3份和防老剂3.5份。
4.根据权利要求1所述的辐照氯磺化聚乙烯材料，其特征在于：包括以下重量份数的原料：氯磺化聚乙烯45份、氯化聚乙烯55份、N330炭黑30份、高岭土70份、氧化镁12份、氯化石蜡10份、辐照交联剂2.5份和防老剂3.5份。
5.根据权利要求1-4任意一项所述的辐照氯磺化聚乙烯材料，其特征在于：所述氯磺化聚乙烯采用经氯化和磺化处理后的聚乙烯衍生物，其氯含量为35％，硫含量为1.5％。
6.根据权利要求1-4任意一项所述的辐照氯磺化聚乙烯材料，其特征在于：所述氯化聚乙烯为橡胶B型氯化聚乙烯，氯含量为35％。
7.根据权利要求1-4任意一项所述的辐照氯磺化聚乙烯材料，其特征在于：所述氯化石蜡采用环保型短链氯化石蜡。
8.根据权利要求1-4任意一项所述的辐照氯磺化聚乙烯材料，其特征在于：所述辐照交联剂具体为三甲基丙烯酸三羟甲基丙烷酯。
9.根据权利要求1-4任意一项所述的辐照氯磺化聚乙烯材料，其特征在于：所述防老剂采用防老剂RD、抗氧剂1010和微晶蜡的混合物。
10.一种辐照氯磺化聚乙烯材料的制备工艺，包括权利要求1-9任意一项所述辐照氯磺化聚乙烯材料，其特征在于：包括以下步骤：
S1：按重量百分比称取各原料；
S2：将氯磺化聚乙烯、氯化聚乙烯、氧化镁、氯化石蜡和防老剂送入至密炼机中密炼15-20min，混炼的温度为65-75℃，得到混合物料；
S3：将N330炭黑、高岭土加入研磨机中以150-170r/min的转速研磨15-20min，得到混合粉末；
S4：将混合粉末与步骤S2中的混合物料加入密炼机中密炼完全，混链温度为65-70℃，混链5-8min；
S5：加入辐照交联剂，进行辐照后，得到辐照氯磺化聚乙烯材料。
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Application publication date: 20210430 |