CN108148256A - 一种可激光打印的高阻燃热收缩标识套管及其制备方法 - Google Patents
一种可激光打印的高阻燃热收缩标识套管及其制备方法 Download PDFInfo
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Abstract
本发明具体公开了一种可激光打印的高阻燃热收缩标识套管及其制备方法，所述套管含有以下质量百分比的各组分：乙烯‑乙酸乙烯酯共聚物弹性体30％‑50％，乙烯‑丙烯酸乙酯共聚物弹性体15％‑25％，高效复合阻燃剂25％‑40％，激光添加剂0.5‑2％，色母2％‑4％，热氧化稳定剂0.5％‑2％。本发明制备的可激光打印的高阻燃热收缩标识套管，具有很好的激光打印性能，永久标识性能、阻燃性能、收缩性能、机械性能，可应用于航空航天、军工、电子、通讯、高铁、造船等领域高性能线缆的永久标识。
Description
技术领域
本发明涉及线缆永久标识用热收缩材料技术领域，具体地，涉及一种可激光打印的高阻燃热收缩标识套管及其制备方法。
背景技术
热收缩材料，又称高分子形状记忆材料，记忆材料是特种线形高分子材料经过辐照交联后变成立体网状结构，交联后具有“记忆效应”的原理而制造出来的一类新型高分子功能材料。
传统的标识套管一般采用热转印打印，且需要选择专用的碳带，但是对于一些要求苛刻的使用环境，如接触到各种溶剂、各种石油制品、或者多次来回摩擦等，传统的打印效果达不到要求，打印字符易脱落或被溶剂等液体腐蚀掉。对于要求较高的场合，如用于航空航天、军工、电子、通讯、高铁、造船等领域高性能线缆的永久标识，传统的标识套管也达不到要求。
因此，急需开发一种字符不易脱落的耐溶剂、耐油的具有永久打印标识性能的热收缩标识套管。
发明内容
针对现有技术的上述不足，本发明提供一种可激光打印的高阻燃热收缩标识套管及其制备方法。
为了实现上述目的，本发明是通过以下技术方案予以实现的：
一种可激光打印的高阻燃热收缩标识套管，含有以下质量百分比的各组分：乙烯-乙酸乙烯酯共聚物弹性体35％-50％，乙烯-丙烯酸乙酯共聚物弹性体15％-25％，高效复合阻燃剂25％-40％，激光添加剂0.5-2％，色母2％-4％，热氧化稳定剂0.5％-2％。
优选地，含有以下质量百分比的各组分：乙烯-乙酸乙烯酯共聚物弹性体38％-45％，乙烯-丙烯酸乙酯共聚物弹性体20％-30％，高效复合阻燃剂30％-38％，激光添加剂0.5-2％，色母2.5％-3.5％，热氧化稳定剂0.5％-1.5％。
更优选地，含有以下质量百分比的各组分：乙烯-乙酸乙烯酯共聚物弹性体40％，乙烯-丙烯酸乙酯共聚物弹性体20％，高效复合阻燃剂35％，激光添加剂1％，色母3％，热氧化稳定剂1％。
优选地，所述乙烯-乙酸乙烯酯共聚物弹性体和乙烯-丙烯酸乙酯共聚物弹性体的复配物作为基体；所述乙烯-乙酸乙烯酯共聚物弹性体的MI范围为0.5-6g/10min；所述乙烯-丙烯酸乙酯共聚物弹性体的MI范围为1.0-5.0g/10min。
优选地，所述高效复合阻燃剂为十溴二苯乙烷、氢氧化镁和三氧化二锑的复配物；十溴二苯乙烷、氢氧化镁和三氧化二锑的复配比例为质量百分比2:1:1；所述十溴二苯乙烷粒径小于2μm；所述三氧化二锑纯度大于99.5％，粒径小于1μm；所述氢氧化镁粒径小于1.5μm；所述高效复合阻燃剂采用硅烷改性或聚合物包覆改性。
优选地，所述激光添加剂粒径小于2μm，适用波长为308-2200nm的激光打印系统，也适用于波长为10600nm的CO2激光打印系统。
优选地，所述热氧化稳定剂采用抗氧剂1010和硫代二丙酸二硬脂醇酯(DSDTP)复配而成。
优选地，所述色母是以乙烯-醋酸乙烯共聚物或低密度聚乙烯为载体的色母。
以上所述的可激光打印的高阻燃热收缩标识套管在制备永久标识产品中的应用。
一种上述的高阻燃热收缩标识套管的制备方法，包括以下步骤：
S1.将乙烯-乙酸乙烯酯共聚物弹性体、乙烯-丙烯酸乙酯共聚物弹性体、高效复合阻燃剂、激光添加剂、色母和热氧化稳定剂的复配物按比例预混合，并搅拌均匀；
S2.通过双螺杆混炼挤出机共混挤出造粒，母料经过挤出成型；挤出半成品的内径0.5mm～30mm，壁厚0.4mm～1.0mm；
S3.辐照交联；辐照交联剂量为5Mrad～10Mrad；
S4.真空连续扩张；扩张后产品内径1.5mm～60mm、壁厚0.2mm～0.5mm；
S5.整平即可。
经过上述步骤制备的粒料其性能指标如下：辐照后拉伸强度≥10.4MPa，断裂伸长率为≥200％；氧指数OI为≥29。
与现有技术相比，本发明具有如下有益效果：
本发明制备的可激光打印的高阻燃热收缩标识套管，具有很好的激光打印性能，永久标识性能、阻燃性能、收缩性能、机械性能，可应用于航空航天、军工、电子、通讯、高铁、造船等领域高性能线缆的永久标识。
附图说明
图1是本发明的结构示意图。
具体实施方式
下面结合具体实施例对本发明作进一步地详细阐述，所述实施例只用于解释本发明，并非用于限定本发明的范围。下述实施例中所使用的试验方法如无特殊说明，均为常规方法；所使用的材料、试剂等，如无特殊说明，为可从商业途径得到的试剂和材料。
实施例1
一种可激光打印的高阻燃热收缩标识套管，含有以下质量百分比的各组分，乙烯-乙酸乙烯酯共聚物弹性体30％-50％，乙烯-丙烯酸乙酯共聚物弹性体15％-25％，高效复合阻燃剂25％-40％，激光添加剂0.5-2％，色母2％-4％，热氧化稳定剂0.5％-2％。
上述可激光打印的高阻燃热收缩标识套管的制备方法，包括以下步骤：
S1.将乙烯-乙酸乙烯酯共聚物弹性体、乙烯-丙烯酸乙酯共聚物弹性体、高效复合阻燃剂、激光添加剂、色母和热氧化稳定剂的复配物按比例预混合，并搅拌均匀；
S2.通过双螺杆混炼挤出机共混挤出造粒，母料经过挤出成型；
S3.辐照交联；
S4.真空连续扩张；
S5.整平即可。
如图1所示，通过上述制备方法制备的套管包括收缩前部分和收缩后部分。
实施例2
通过实施例1的配方和方法制备的可激光打印的高阻燃热收缩标识套管，其使用方法如下：
将可激光打印的高阻燃热收缩标识套管用激光打印机打印标识字符，套在需要标识的线缆上，用热风枪或烘箱等加热工具加热收缩，热收缩温度在150℃～200℃左右，加热1～3分钟即可完全收缩。经该产品热缩包覆操作简便，包覆外观美观，标识清晰持久，绝缘防护性能好，阻燃性能好。
本发明所述的可激光打印的高阻燃热收缩标识套管的测试方法包括：SAE AMS-DTL-23053、ASTM D2671、SAE AS81531、MIL-STD-202。
实施例3
根据实施例1制备方法，使用3种配方制备出不同性能的可激光打印的高阻燃热收缩标识套管，3种套管的配方如表1所示。
表1
| 组分 | 配方1 | 配方2 | 配方3 |
| 乙烯-乙酸乙烯酯共聚物弹性体 | 30％ | 40％ | 50％ |
| 乙烯-丙烯酸乙酯共聚物弹性体 | 23.5％ | 20％ | 18％ |
| 高效复合阻燃剂 | 40％ | 35％ | 27％ |
| 激光添加剂 | 2％ | 1％ | 0.5％ |
| 色母 | 4％ | 3％ | 2.5％ |
| 热氧化稳定剂 | 0.5％ | 1％ | 2％ |
根据实施例2的测试方法，分别对三种配方的可激光打印的高阻燃热收缩标识套管的产品性能进行测试，产品性能测试结果如表2所示。
表2
综合分析表2的测试结果，表明配方1-3的可激光打印的高阻燃热收缩标识套管均具有好的拉伸强度和断裂伸长率，具有很好的耐热性能、耐高低温性能、热收缩性能等综合性能，激光打印标识性能优异，字符耐溶剂、耐油、耐刮擦，且具有优异的阻燃性能，可广泛应用于航空航天、军工、电子、通讯、高铁、造船等领域高性能线缆的永久标识，具有广阔的市场前景和重要应用意义。
最后应当说明的是，以上实施例仅用以说明本发明的技术方案，而非对本发明保护范围的限制，尽管参照较佳实施例对本发明作了详细地说明，本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的实质和范围。
Claims (10)
1.一种可激光打印的高阻燃热收缩标识套管，其特征在于，含有以下质量百分比的各组分：乙烯-乙酸乙烯酯共聚物弹性体30％-50％，乙烯-丙烯酸乙酯共聚物弹性体15％-25％，高效复合阻燃剂25％-40％，激光添加剂0.5％-2％，色母2％-4％，热氧化稳定剂0.5％-2％。
2.根据权利要求1所述的可激光打印的高阻燃热收缩标识套管，其特征在于，含有以下质量百分比的各组分：乙烯-乙酸乙烯酯共聚物弹性体35％-45％，乙烯-丙烯酸乙酯共聚物弹性体17％-23％，高效复合阻燃剂30％-38％，激光添加剂0.8％-1.5％，色母2.5％-3.5％，热氧化稳定剂0.5％-1.5％。
3.根据权利要求2所述的可激光打印的高阻燃热收缩标识套管，其特征在于，含有以下质量百分比的各组分：乙烯-乙酸乙烯酯共聚物弹性体40％，乙烯-丙烯酸乙酯共聚物弹性体20％，高效复合阻燃剂35％，激光添加剂1％，色母3％，热氧化稳定剂1％。
4.根据权利要求1所述的可激光打印的高阻燃热收缩标识套管，其特征在于，所述乙烯-乙酸乙烯酯共聚物弹性体和乙烯-丙烯酸乙酯共聚物弹性体的复配物作为基体；所述乙烯-乙酸乙烯酯共聚物弹性体的MI范围为0.5-6g/10min；所述乙烯-丙烯酸乙酯共聚物弹性体的MI范围为1.0-5.0g/10min。
5.根据权利要求1所述的可激光打印的高阻燃热收缩标识套管，其特征在于，所述高效复合阻燃剂为十溴二苯乙烷、氢氧化镁和三氧化二锑的复配物；十溴二苯乙烷、氢氧化镁和三氧化二锑的复配比例为质量百分比2:1:1；所述十溴二苯乙烷粒径小于2μm；所述三氧化二锑纯度大于99.5％，粒径小于1μm；所述氢氧化镁粒径小于1.5μm；所述高效复合阻燃剂采用硅烷改性或聚合物包覆改性。
6.根据权利要求1所述的可激光打印的高阻燃热收缩标识套管，其特征在于，所述激光添加剂粒径小于2μm，适用波长为308-2200nm的激光打印系统，也适用于波长为10600nm的CO2激光打印系统。
7.根据权利要求1所述的可激光打印的高阻燃热收缩标识套管，其特征在于，所述热氧化稳定剂采用抗氧剂1010和硫代二丙酸二硬脂醇酯复配而成。
8.根据权利要求1所述的可激光打印的高阻燃热收缩标识套管，其特征在于，所述色母是以乙烯-醋酸乙烯共聚物或低密度聚乙烯为载体的色母。
9.一种权利要求1-8任一项所述的可激光打印的高阻燃热收缩标识套管的制备方法，其特征在于，包括以下步骤：
S1.将乙烯-乙酸乙烯酯共聚物弹性体、乙烯-丙烯酸乙酯共聚物弹性体、高效复合阻燃剂、激光添加剂、色母和热氧化稳定剂的复配物按比例预混合，并搅拌均匀；
S2.通过双螺杆混炼挤出机共混挤出造粒，母料经过挤出成型；挤出半成品的内径0.5mm-30mm，壁厚0.4mm-1.0mm；
S3.辐照交联；辐照交联剂量为5Mrad-10Mrad；
S4.真空连续扩张；扩张后产品内径1.5mm-60mm、壁厚0.2mm-0.5mm；
S5.整平即可。
10.权利要求1所述的可激光打印的高阻燃热收缩标识套管在制备永久标识产品中的应用。
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