CN106432863A - 一种防开裂低烟阻燃交联聚烯烃电缆料及其制备方法 - Google Patents
一种防开裂低烟阻燃交联聚烯烃电缆料及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种防开裂低烟阻燃交联聚烯烃电缆料制备方法,其配方以质量份数计包含以下组分:聚烯烃树脂:90‑100份,阻燃剂:100‑150份,阻燃增效剂:10‑15份,润滑剂:1‑5份,抗氧剂:0.5‑5份,交联剂:1‑3份,塑化剂:1‑5份,表面处理剂:1‑5份,光稳定剂:3‑5份,着色剂:1‑3份,NBR:3‑5份,聚烯烃树脂为低密度聚乙烯、乙烯与乙酸乙烯脂共聚物、聚乙烯与辛烯脂共聚物、乙烯与丙烯脂共聚物和乙烯与醋酸乙烯脂共聚物中的两种或多种。本发明防开裂性能高,阻燃效果好,达到了低烟的效果,保证了该电缆料的光滑性和耐腐蚀性,有效的避免了安全隐患的发生,从而有效的解决了电缆料抗热变形能力差和低温容易硬化开裂的问题。
Description
技术领域
本发明涉及电缆线技术领域,具体为一种防开裂低烟阻燃交联聚烯烃电缆料及其制备方法。
背景技术
聚烯烃具有良好的介电性能、机械性能、耐低温性能、加工性能和化学稳定性,自从商品化以来,就在电线电缆的生产中得到了广泛的应用,聚烯烃电缆材料具有优异的机械物理性能、电气性能、使用温度高、耐腐蚀、耐热性能好等优点,正被越来越多地用于制备电力、能源、石油化工、电子、通讯、信息和机车等行业的电线电缆。聚烯烃电缆材料在低温环境下使用时,聚烯烃电缆料容易硬化开裂,防开裂性能低,聚烯烃电缆材料在高温环境下使用时,聚烯烃电缆料容易变形或自燃,抗热变形能力差,阻燃效果差,存在一定的安全隐患。
发明内容
本发明的目的在于提供一种防开裂低烟阻燃交联聚烯烃电缆料及其制备方法,具备防开裂性能高和阻燃效果好的优点,解决了电缆料抗热变形能力差和低温容易硬化开裂的问题。
为实现上述目的,本发明提供如下技术方案:一种防开裂低烟阻燃交联聚烯烃电缆料,其配方以质量份数计包含以下组分:聚烯烃树脂:90-100份,阻燃剂:100-150份,阻燃增效剂:10-15份,润滑剂:1-5份,抗氧剂:0.5-5份,交联剂:1-3份,塑化剂:1-5份,表面处理剂:1-5份,光稳定剂:3-5份,着色剂:1-3份,NBR:3-5 份。
所述聚烯烃树脂为低密度聚乙烯、乙烯与乙酸乙烯脂共聚物、聚乙烯与辛烯脂共聚物、乙烯与丙烯脂共聚物和乙烯与醋酸乙烯脂共聚物中的两种或多种,聚烯烃树脂密度为0.5-0.8克/立方厘米,熔融指数1.0-3.5g/10min。
优选的,所述塑化剂为邻苯二甲酸二辛酯、邻苯二甲酸二异癸酯、邻苯二甲酸二异丁酯和DEHP中的至少一种。
优选的,所述润滑剂为氟类润滑剂或硅类润滑剂,所述交联剂为过氧化二异丙苯。
优选的,所述抗氧剂为四[β-(3,5-三级丁基-4-羟基苯基)丙酸]季戊四醇酯、三(2,6-三级丁基-4-甲基苯酚)亚磷酸酯和双(3,5-三级丁基-4-羟基苯基)硫醚中的至少一种。
优选的,所述阻燃剂为硼酸锌、氢氧化铝、氢氧化镁、聚磷酸胺和三氧化二锑中的至少一种。
优选的,所述阻燃增效剂为含磷有机物、含氮有机物和有机硅中的至少一种。
优选的,所述光稳定剂包括紫外线吸收剂和氢过氧化物分解剂,且紫外线吸收剂和氢过氧化物分解剂的质量比为1:1.25,所述表面处理剂为脂肪酸、聚四氟乙烯、氨基硅烷和钛酸脂中的至少一种。
优选的,制备方法包括如下步骤:
S1,将聚烯烃树脂、阻燃剂、阻燃增效剂、润滑剂和抗氧剂按配比放入混合机内高速混合10-20min;
S2,将搅拌设备预热90-100℃,达到预热温度后,将光稳定剂、着色剂和NBR按配比放入混合机内低速混合20-30min;
S3,S2完成后,将塑化剂按配比放入混合机内,在130-180℃的温度下用同向双螺杆挤出机和热切机挤出造粒;
S4,将S3中的颗粒放入高压罐内,并将交联剂和表面处理剂按配比放入高压罐内,加压0.1Mpa-0.5Mpa,放置1-3h,即可制成防开裂低烟阻燃交联聚烯烃电缆料成品。
本发明的有益效果如下:
1、本发明通过设置有阻燃剂,能够有效的增加该电缆料的阻燃能力,有效的避免了该电缆料在高温环境下的变形和自燃,通过设置有塑化剂和交联剂,能够有效的增加该电缆料的柔韧性,有效的避免了该电缆料在低温环境下的硬化开裂,达到了防开裂性能高和阻燃效果好的效果。
2、本发明通过设置有阻燃增效剂,在阻燃剂的相互作用下,能够大幅度增加该电缆料的阻燃能力,能够有效的降低聚烯烃材料的烟气生产量,达到了低烟的效果,通过设置有润滑剂和抗氧剂,保证了该电缆料的光滑性和耐腐蚀性,从而有效的加强了该电缆料的防开裂和阻燃性能,通过设置有NBR,有效的增加了该电缆料的粘接力,有效的避免了该电缆料的开裂,有效的避免了安全隐患的发生,从而有效的解决了电缆料抗热变形能力差和低温容易硬化开裂的问题。
具体实施方式
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。
实施例1
一种防开裂低烟阻燃交联聚烯烃电缆料及其制备方法,其配方以质量份数计包含以下组分:聚烯烃树脂:90份,阻燃剂:110份,阻燃增效剂:12份,润滑剂:2份,抗氧剂:2份,交联剂:1份,塑化剂:3份,表面处理剂:2份,光稳定剂:3份,着色剂:1份,NBR:3份。
制备方法包括如下步骤:
S1,将90份聚烯烃树脂、110份阻燃剂、12份阻燃增效剂、2份润滑剂和2份抗氧剂按配比放入混合机内高速混合15min;
S2,将搅拌设备预热90℃,达到预热温度后,将3份光稳定剂、1份着色剂和3份NBR按配比放入混合机内低速混合20min;
S3,S2完成后,将3份塑化剂按配比放入混合机内,在140℃的温度下用同向双螺杆挤出机和热切机挤出造粒;
S4,将S3中的颗粒放入高压罐内,并将1份交联剂和2份表面处理剂按配比放入高压罐内,加压0.2Mpa,放置1.5h,即可制成防开裂低烟阻燃交联聚烯烃电缆料成品。
该实施例1的制备方法与实施例2和实施例3相比存在以下特点:
制备时间短,制备速度快,生产效率高;
阻燃效果和防开裂性能均低于实施例2和实施例3。
实施例2
一种防开裂低烟阻燃交联聚烯烃电缆料及其制备方法,其配方以质量份数计包含以下组分:聚烯烃树脂:95份,阻燃剂:130份,阻燃增效剂:14份,润滑剂:3份,抗氧剂:3份,交联剂:2份,塑化剂:4份,表面处理剂:4份,光稳定剂:4份,着色剂:2份,NBR:4份。
制备方法包括如下步骤:
S1,将95份聚烯烃树脂、130份阻燃剂、14份阻燃增效剂、3份润滑剂和3份抗氧剂按配比放入混合机内高速混合18min;
S2,将搅拌设备预热95℃,达到预热温度后,将4份光稳定剂、2份着色剂和4份NBR按配比放入混合机内低速混合25min;
S3,S2完成后,将4份塑化剂按配比放入混合机内,在160℃的温度下用同向双螺杆挤出机和热切机挤出造粒;
S4,将S3中的颗粒放入高压罐内,并将2份交联剂和4份表面处理剂按配比放入高压罐内,加压0.35Mpa,放置2h,即可制成防开裂低烟阻燃交联聚烯烃电缆料成品。
该实施例2的制备方法存在以下特点:
该实施例2的阻燃效果和防开裂性能均高于实施例1,但实施例2的制备时间、制备速度和生产效率均低于实施例1;
该实施例2的阻燃效果和防开裂性能均低于实施例3,但实施例2的制备时间、制备速度和生产效率均高于实施例3。
实施例3
一种防开裂低烟阻燃交联聚烯烃电缆料及其制备方法,其配方以质量份数计包含以下组分:聚烯烃树脂:100份,阻燃剂:150份,阻燃增效剂:15份,润滑剂:5份,抗氧剂:5份,交联剂:3份,塑化剂:5份,表面处理剂:5份,光稳定剂:5份,着色剂:3份,NBR:5份。
制备方法包括如下步骤:
S1,将100份聚烯烃树脂、150份阻燃剂、15份阻燃增效剂、5份润滑剂和5份抗氧剂按配比放入混合机内高速混合20min;
S2,将搅拌设备预热100℃,达到预热温度后,将5份光稳定剂、3份着色剂和5份NBR按配比放入混合机内低速混合30min;
S3,S2完成后,将5份塑化剂按配比放入混合机内,在180℃的温度下用同向双螺杆挤出机和热切机挤出造粒;
S4,将S3中的颗粒放入高压罐内,并将3份交联剂和5份表面处理剂按配比放入高压罐内,加压0.5Mpa,放置3h,即可制成防开裂低烟阻燃交联聚烯烃电缆料成品。
该实施例3的制备方法与实施例1和实施例2相比存在以下特点:
阻燃效果和防开裂性能均高于实施例1和实施例2;
制备时间长,制备速度慢,生产效率低。
综上所述:该防开裂低烟阻燃交联聚烯烃电缆料制备方法,防开裂性能高,在零下60℃低温环境下不硬化开裂,阻燃效果好,在100℃的环境下不会变形或自燃,安全性能高。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (8)
1.一种防开裂低烟阻燃交联聚烯烃电缆料,其特征在于:其配方以质量份数计包含以下组分:聚烯烃树脂:90-100份,阻燃剂:100-150份,阻燃增效剂:10-15份,润滑剂:1-5份,抗氧剂:0.5-5份,交联剂:1-3份,塑化剂:1-5份,表面处理剂:1-5份,光稳定剂:3-5份,着色剂:1-3份,NBR:3-5份;
所述聚烯烃树脂为低密度聚乙烯、乙烯与乙酸乙烯脂共聚物、聚乙烯与辛烯脂共聚物、乙烯与丙烯脂共聚物和乙烯与醋酸乙烯脂共聚物中的两种或多种,聚烯烃树脂密度为0.5-0.8克/立方厘米,熔融指数1.0-3.5g/10min。
2.根据权利要求1所述的一种防开裂低烟阻燃交联聚烯烃电缆料,其特征在于:所述塑化剂为邻苯二甲酸二辛酯、邻苯二甲酸二异癸酯、邻苯二甲酸二异丁酯和DEHP中的至少一种。
3.根据权利要求1所述的一种防开裂低烟阻燃交联聚烯烃电缆料,其特征在于:所述润滑剂为氟类润滑剂或硅类润滑剂,所述交联剂为过氧化二异丙苯。
4.根据权利要求1所述的一种防开裂低烟阻燃交联聚烯烃电缆料,其特征在于:所述抗氧剂为四[β-(3,5-三级丁基-4-羟基苯基)丙酸]季戊四醇酯、三(2,6-三级丁基-4-甲基苯酚)亚磷酸酯和双(3,5-三级丁基-4-羟基苯基)硫醚中的至少一种。
5.根据权利要求1所述的一种防开裂低烟阻燃交联聚烯烃电缆料,其特征在于:所述阻燃剂为硼酸锌、氢氧化铝、氢氧化镁、聚磷酸胺和三氧化二锑中的至少一种。
6.根据权利要求1所述的一种防开裂低烟阻燃交联聚烯烃电缆料,其特征在于:所述阻燃增效剂为含磷有机物、含氮有机物和有机硅中的至少一种。
7.根据权利要求1所述的一种防开裂低烟阻燃交联聚烯烃电缆料,其特征在于:所述光稳定剂包括紫外线吸收剂和氢过氧化物分解剂,且紫外线吸收剂和氢过氧化物分解剂的质量比为1:1.25,所述表面处理剂为脂肪酸、聚四氟乙烯、氨基硅烷和钛酸脂中的至少一种。
8.根据权利要求1所述的一种防开裂低烟阻燃交联聚烯烃电缆料制备方法,其特征在于:制备方法包括如下步骤:
S1,将聚烯烃树脂、阻燃剂、阻燃增效剂、润滑剂和抗氧剂按配比放入混合机内高速混合10-20min;
S2,将搅拌设备预热90-100℃,达到预热温度后,将光稳定剂、着色剂和NBR按配比放入混合机内低速混合20-30min;
S3,S2完成后,将塑化剂按配比放入混合机内,在130-180℃的温度下用同向双螺杆挤出机和热切机挤出造粒;
S4,将S3中的颗粒放入高压罐内,并将交联剂和表面处理剂按配比放入高压罐内,加压0.1Mpa-0.5Mpa,放置1-3h,即可制成防开裂低烟阻燃交联聚烯烃电缆料成品。
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