WO2017177482A1 - 一种耐油低烟无卤阻燃聚烯烃电缆料及其制备方法 - Google Patents
一种耐油低烟无卤阻燃聚烯烃电缆料及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种耐油低烟无卤阻燃聚烯烃电缆料及其制备方法,该电缆料由以下重量份数组分组成:再生低烟无卤塑料合金80~90份,有机硅接枝聚乙烯5~10份,乙烯醋酸乙烯共聚物8~10份,无机阻燃剂20~30份,改性剂1~3份,界面相容剂2~5份,辐照交联剂1~1.5份,抗氧剂0.3~0.5份,润滑剂0.5~1份,色母3~5份。本发明的耐油低烟无卤阻燃聚烯烃电缆料及其制备方法,产品的耐油性能能够达到TB/T 1484.2-2010中规定的Ⅲ类耐油等级,经过改性的无机阻燃剂使得该电缆料的阻燃性能大大提高,有机硅接枝聚乙烯保证其耐油性能,本发明通过对再生塑料合金进行复合改性,高效制备出耐油低烟无卤阻燃聚烯烃电缆料,不仅降低了生产成本,还使废料重新利用,节约了资源。
Description
本发明属于电缆料技术领域,具体涉及一种耐油低烟无卤阻燃聚烯烃电缆料及其制备方法。
现有的耐油型电缆料,一般主要是使用三元乙丙橡胶(EPDM)、丁腈橡胶、EVM复合以阻燃剂、硫化剂等为原料,制备出的耐油料能够满足耐油性能上的要求,但是存在着拉伸强度较低、低温性能较差的缺点。
发明内容
发明目的:针对现有技术中存在的不足,本发明的目的在于提供一种耐油低烟无卤阻燃聚烯烃电缆料,产品的耐油性能能够达到TB/T 1484.2-2010中规定的Ⅲ类耐油等级。本发明的另一目的是提供一种上述耐油低烟无卤阻燃聚烯烃电缆料的制备方法。
技术方案:为了实现上述发明目的,本发明采用的技术方案为:
一种耐油低烟无卤阻燃聚烯烃电缆料,由以下重量份数组分组成:再生低烟无卤塑料合金80~90份,有机硅接枝聚乙烯5~10份,乙烯醋酸乙烯共聚物8~10份,无机阻燃剂20~30份,改性剂1~3份,界面相容剂2~5份,辐照交联剂1~1.5份,抗氧剂0.3~0.5份,润滑剂0.5~1份,色母3~5份。
所述的耐油低烟无卤阻燃聚烯烃电缆料,优选由以下重量份数组分组成:再生低烟无卤塑料合金80~85份,有机硅接枝聚乙烯8~10份,乙烯醋酸乙烯共聚物8~10份,无机阻燃剂28~30份,改性剂2.5份,界面相容剂4份,辐照交联剂TAIC1.2份,抗氧剂0.4份,润滑剂0.8份,色母3份。
所述的再生低烟无卤电缆料粒子为回收的废旧低烟无卤塑料颗粒,成分中含不低于25%质量含量的EVA,含不低于50%质量含量的氢氧化铝或氢氧化镁。
所述的无机阻燃剂为5~8份硅处理纳米氢氧化镁及20~25份纳米氢氧化铝。
所述的界面相容剂为马来酸酐接枝乙烯醋酸乙烯酯、马来酸酐接枝乙烯-辛烯共聚物中的一种或两种,硬度≤85 邵氏A。
所述的抗氧剂为主抗氧剂2,6-二叔丁基-4-甲基苯酚和辅助抗氧剂硫代二丙酸二月桂酯。
所述的润滑剂为0.2~0.4份EVA蜡和0.5~0.7份硅酮粉组成。
所述的改性剂为多聚硅氧烷或钛酸酯偶联剂。
有益效果:与现有技术相比,本发明的耐油低烟无卤阻燃聚烯烃电缆料及其制备方法,产品的耐油性能能够达到TB/T 1484.2-2010中规定的Ⅲ类耐油等级,经过改性的无机阻燃剂使得该电缆料的阻燃性能大大提高,有机硅接枝聚乙烯保证其耐油性能,本发明通过对再生塑料合金进行复合改性,高效制备出耐油低烟无卤阻燃聚烯烃电缆料,不仅降低了生产成本,还使废料重新利用,节约了资源。
下面结合具体实施例对本发明作进一步的说明。
一种耐油低烟无卤阻燃聚烯烃电缆料,各成分组成如表1所示。
表1 耐油低烟无卤阻燃聚烯烃电缆料的成分
成分 | 产品1 | 产品2 | 产品3 | 产品4 | 对比1 | 对比2 |
再生低烟无卤电缆料粒子 | 90份 | 88份 | 86份 | 80份 | 0份 | 100份 |
有机硅接枝聚乙烯 | 10份 | 9份 | 6份 | 5份 | 6份 | 15份 |
乙烯醋酸乙烯共聚物 | 10份 | 9份 | 9份 | 8份 | 9份 | 5份 |
无机阻燃剂 | 30份 | 26份 | 24份 | 20份 | 24份 | 35份 |
改性剂 | 1份 | 1.5份 | 2.2份 | 3份 | 2.2份 | 4份 |
界面相容剂 | 3份 | 3.4份 | 4份 | 5份 | 4份 | 6份 |
抗氧剂 | 0.3份 | 0.35份 | 0.5份 | 0.3份 | 0.5份 | 0.3份 |
润滑剂 | 0.5份 | 1份 | 0.8份 | 0.9份 | 0.8份 | 0.6份 |
黑色母 | 3份 | 4份 | 4.5份 | 5份 | 4.5份 | 4份 |
辐照交联剂 | 1份 | 1.1份 | 1.4份 | 1.5份 | 1.4份 | 1.3份 |
在对比1产品中加入90份新的聚烯烃原料。其中,再生低烟无卤电缆料粒子为回收的废旧低烟无卤塑料颗粒,成分中含不低于25%质量含量的EVA,含不低于50%质量含量的氢氧化铝或氢氧化镁。无机阻燃剂为5~8份硅处理纳米氢氧化镁及20~25份纳米氢氧化铝。界面相容剂为马来酸酐接枝乙烯醋酸乙烯酯、马来酸酐接枝乙烯-辛烯共聚物中的一种或两种,硬度≤85 邵氏A。抗氧剂为主抗氧剂2,6-二叔丁基-4-甲基苯酚和辅助抗氧剂硫代二丙酸二月桂酯。润滑剂为0.2~0.4份EVA蜡和0.5~0.7份硅酮粉组成。改性剂为多聚硅氧烷或钛酸酯
偶联剂。
该耐油低烟无卤阻燃聚烯烃电缆料的制备方法,具体过程包括分拣去杂、破碎、清洗、干燥、密炼、挤出、造粒及包装工序。其中,密炼工序为:将物料投入密炼机搅拌3分钟混合均匀,开始加压密炼,在120℃、130℃、140℃各翻一次、145℃放料,进入挤塑阶段。挤塑工序参数:主机转速220~230r/min,喂料频率45~47Hz,单螺杆频率27±5Hz,切粒速度30~33r/min。挤塑工艺温度:一区95℃,二区100℃,三区105℃,四区115℃,五区120℃,六区125℃,七区130℃,八区135℃,九区140℃,十区145℃,十一区150℃,机头145℃。(注:各区温度允许±5℃波动)。
采用常规测试方法,任选产品1-4中的一个以及两个对比产品进行性能测试,所获得的具体数据如表2所示。
表2 测试结果
其中,拉伸强度变化率、断裂伸长率变化率均在空气热老化100℃×168h条件下测定。
由表2的数据可知,该产品的耐油性能能够达到TB/T 1484.2-2010中规定的Ⅲ类耐油等级,经过改性的无机阻燃剂使得该电缆料的阻燃性能大大提高,有机硅接枝聚乙烯保证其耐油性能,本发明通过对再生塑料合金进行复合改性,高效制备出耐油低烟无卤阻燃聚烯烃电缆料,不仅降低了生产成本,还使废料重新利用,节约了资源。
Claims (9)
- 一种耐油低烟无卤阻燃聚烯烃电缆料,其特征在于,由以下重量份数组分组成:再生低烟无卤塑料合金80~90份,有机硅接枝聚乙烯5~10份,乙烯醋酸乙烯共聚物8~10份,无机阻燃剂20~30份,改性剂1~3份,界面相容剂2~5份,辐照交联剂TAIC1~1.5份,抗氧剂0.3~0.5份,润滑剂0.5~1份,色母3~5份。
- 根据权利要求1所述的耐油低烟无卤阻燃聚烯烃电缆料,其特征在于,由以下重量份数组分组成:再生低烟无卤塑料合金80~85份,有机硅接枝聚乙烯8~10份,乙烯醋酸乙烯共聚物8~10份,无机阻燃剂28~30份,改性剂2.5份,界面相容剂4份,辐照交联剂TAIC1.2份,抗氧剂0.4份,润滑剂0.8份,色母3份。
- 根据权利要求1或2所述的耐油低烟无卤阻燃聚烯烃电缆料,其特征在于,所述的再生低烟无卤电缆料粒子为回收的废旧低烟无卤塑料颗粒,成分中含不低于25%质量含量的EVA,含不低于50%质量含量的氢氧化铝或氢氧化镁。
- 根据权利要求1或2所述的耐油低烟无卤阻燃聚烯烃电缆料,其特征在于,所述的无机阻燃剂为5~8份硅处理纳米氢氧化镁及20~25份纳米氢氧化铝。
- 根据权利要求1或2所述的耐油低烟无卤阻燃聚烯烃电缆料,其特征在于,所述的界面相容剂为马来酸酐接枝乙烯醋酸乙烯酯、马来酸酐接枝乙烯-辛烯共聚物中的一种或两种,硬度≤85邵氏A。
- 根据权利要求1或2所述的耐油低烟无卤阻燃聚烯烃电缆料,其特征在于,所述的抗氧剂为主抗氧剂2,6-二叔丁基-4-甲基苯酚和辅助抗氧剂硫代二丙酸二月桂酯。
- 根据权利要求1或2所述的耐油低烟无卤阻燃聚烯烃电缆料,其特征在于,所述的润滑剂为0.2~0.4份EVA蜡和0.5~0.7份硅酮粉组成。
- 根据权利要求1或2所述的耐油低烟无卤阻燃聚烯烃电缆料,其特征在于,所述的改性剂为多聚硅氧烷或钛酸酯偶联剂。
- 权利要求1或2所述的耐油低烟无卤阻燃聚烯烃电缆料的制备方法,包括分拣去杂、破碎、清洗、干燥、密炼、挤出、造粒及包装工序;其特征在于,密炼工序为:将物料投入密炼机搅拌3分钟混合均匀,开始加压密炼,在120℃、130℃、140℃各翻一次、145℃放料,进入挤塑阶段;挤塑工序参数:主机转速220~230r/min,喂料频率45~47Hz,单螺杆频率27±5Hz,切粒速度30~33r/min; 挤塑工艺温度:一区95℃,二区100℃,三区105℃,四区115℃,五区120℃,六区125℃,七区130℃,八区135℃,九区140℃,十区145℃,十一区150℃,机头145℃。
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CN112210157A (zh) * | 2020-09-29 | 2021-01-12 | 上海凯波电缆特材股份有限公司 | 一种无卤阻燃聚烯烃护套料及其制备方法 |
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CN116376148B (zh) * | 2023-04-13 | 2023-09-05 | 广东安拓普聚合物科技有限公司 | 电梯用耐疲劳线缆料 |
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