CN106084438A - 一种轨道交通用抗撕裂耐磨电缆料及其制备方法 - Google Patents

一种轨道交通用抗撕裂耐磨电缆料及其制备方法 Download PDF

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CN106084438A
CN106084438A CN201610525675.7A CN201610525675A CN106084438A CN 106084438 A CN106084438 A CN 106084438A CN 201610525675 A CN201610525675 A CN 201610525675A CN 106084438 A CN106084438 A CN 106084438A
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梅家让
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Abstract

本发明公开了一种轨道交通用抗撕裂耐磨电缆料及其制备方法,其由以下重量份的原料制成:茂金属线型低密度聚乙烯50‑60、氟化乙烯丙烯共聚物20‑30、聚芳醚醚腈15‑25、巯基乙酸异辛酯4‑9、泥炭蜡6‑8、蒙脱石10‑15、奥米矿物纤维8‑13、粉煤灰5‑10、烷基磺酸苯酯10‑15、石棉尾矿11‑17、铅锌矿渣6‑12、新癸酸钕2‑3、氨基硅油8‑10、凯夫拉纤维15‑20、碳化钽12‑19。本发明采用茂金属线型低密度聚乙烯与氟化乙烯丙烯共聚物、聚芳醚醚腈等树脂掺混改性,并添加了凯夫拉纤维、碳化钽、奥米矿物纤维等原料,获得了撕裂强度高、耐磨性好的电缆料,满足轨道交通电缆制品的性能要求。

Description

一种轨道交通用抗撕裂耐磨电缆料及其制备方法
技术领域
本发明涉及一种电缆料及其制备方法,具体涉及一种轨道交通用抗撕裂耐磨电缆料及其制备方法。
背景技术
聚乙烯,简称PE,是乙烯经聚合制得的一种热塑性树脂。它无臭,无毒,手感似蜡,具有优良的耐低温性能(最低使用温度可达-100~-70℃),化学稳定性好,能耐大多数酸碱的侵蚀(不耐具有氧化性质的酸)。常温下不溶于一般溶剂,吸水性小,电绝缘性优良,可以广泛应用于制作电缆制品。随着电缆行业的快速发展,对聚乙烯电缆的性能有着越来越高的要求。然而现有的轨道交通用聚乙烯电缆料仍存在着抗撕裂性能差和耐磨性差的缺点,无法满足市场的要求。
发明内容
为了解决现有技术的不足,本发明目的在于提供一种轨道交通用抗撕裂耐磨电缆料及其制备方法。
为了实现上述目的,本发明采用如下的技术方案:
一种轨道交通用抗撕裂耐磨电缆料,由以下重量份的原料制成:茂金属线型低密度聚乙烯50-60、氟化乙烯丙烯共聚物20-30、聚芳醚醚腈15-25、巯基乙酸异辛酯4-9、泥炭蜡6-8、蒙脱石10-15、奥米矿物纤维8-13、粉煤灰5-10、烷基磺酸苯酯10-15、石棉尾矿11-17、铅锌矿渣6-12、新癸酸钕2-3、氨基硅油8-10、碱式碳酸锌5-6、凯夫拉纤维15-20、碳化钽12-19。
一种轨道交通用抗撕裂耐磨电缆料的制备方法,包括以下步骤:
(1)将蒙脱石、粉煤灰、石棉尾矿、铅锌矿渣混合均匀,粉碎,过筛,然后加热熔化成熔融液,充分搅拌均匀后放入清水中进行水淬,烘干,粉碎,过筛,2200-2800r/min干法球磨1-2h,然后利用流速为22-28L/min的氩气作为载流气体将烘干后的粉体按照加料速率为130-190g/min送入到氧气-乙炔焰流中,氧气-乙炔焰流中氧气流量为20-25L/min,乙炔流量为25-30L/min;当粉末经过高温火焰场时,粉末受热熔化,在表面张力的作用下形成液滴,同时通入流速为120-160L/min的氮气冲击液滴,使大粒径范围内的大液滴破碎分裂,形成小液滴,当它离开高温火焰场后立即进行冷却固化,收集,即得所需的粉体;
(2)将氟化乙烯丙烯共聚物、聚芳醚醚腈、氨基硅油加入到高速混合机内,2500-3000r/min高速搅拌至料温达到85-90℃时,加入新癸酸钕、巯基乙酸异辛酯以及步骤(1)制得的粉体,3000-3500r/min高速搅拌至料温达到90-95℃时,停止搅拌,待物料降温至50-55℃时,出料,即得所需的混合料;
(3)将茂金属线型低密度聚乙烯、烷基磺酸苯酯、泥炭蜡、碱式碳酸锌加入到开炼机内,控制辊温在70-75℃,辊距为2-3mm,混炼5-6min,再加入步骤(2)制得的混合料、凯夫拉纤维、碳化钽等余下原料,控制辊温在75-80℃,辊距为2-3mm,混炼4-5min,然后将混炼好的物料转入双螺杆挤出机内熔融共混,挤出造粒,冷却,即得所需的电缆料。
本发明的有益效果:
本发明采用茂金属线型低密度聚乙烯与氟化乙烯丙烯共聚物、聚芳醚醚腈等树脂掺混改性,并添加了凯夫拉纤维、碳化钽、奥米矿物纤维等原料,获得了撕裂强度高、耐磨性好的电缆料,满足轨道交通电缆制品的性能要求。
具体实施方式
一种轨道交通用抗撕裂耐磨电缆料,由以下重量(kg)的原料制成:茂金属线型低密度聚乙烯55、氟化乙烯丙烯共聚物25、聚芳醚醚腈20、巯基乙酸异辛酯7、泥炭蜡7、蒙脱石13、奥米矿物纤维11、粉煤灰8、烷基磺酸苯酯14、石棉尾矿13、铅锌矿渣9、新癸酸钕2.5、氨基硅油9、碱式碳酸锌5、凯夫拉纤维17、碳化钽15。
一种轨道交通用抗撕裂耐磨电缆料的制备方法,包括以下步骤:
(1)将蒙脱石、粉煤灰、石棉尾矿、铅锌矿渣混合均匀,粉碎,过筛,然后加热熔化成熔融液,充分搅拌均匀后放入清水中进行水淬,烘干,粉碎,过筛,2600r/min干法球磨1.5h,然后利用流速为25L/min的氩气作为载流气体将烘干后的粉体按照加料速率为170g/min送入到氧气-乙炔焰流中,氧气-乙炔焰流中氧气流量为23L/min,乙炔流量为27L/min;当粉末经过高温火焰场时,粉末受热熔化,在表面张力的作用下形成液滴,同时通入流速为145L/min的氮气冲击液滴,使大粒径范围内的大液滴破碎分裂,形成小液滴,当它离开高温火焰场后立即进行冷却固化,收集,即得所需的粉体;
(2)将氟化乙烯丙烯共聚物、聚芳醚醚腈、氨基硅油加入到高速混合机内,2800r/min高速搅拌至料温达到88℃时,加入新癸酸钕、巯基乙酸异辛酯以及步骤(1)制得的粉体,3300r/min高速搅拌至料温达到92℃时,停止搅拌,待物料降温至54℃时,出料,即得所需的混合料;
(3)将茂金属线型低密度聚乙烯、烷基磺酸苯酯、泥炭蜡、碱式碳酸锌加入到开炼机内,控制辊温在71℃,辊距为2mm,混炼6min,再加入步骤(2)制得的混合料、凯夫拉纤维、碳化钽等余下原料,控制辊温在75-80℃,辊距为3mm,混炼5min,然后将混炼好的物料转入双螺杆挤出机内熔融共混,挤出造粒,冷却,即得所需的电缆料。
上述实施例制得的聚乙烯电缆料的主要性能检测结果如下表所示:

Claims (2)

1.一种轨道交通用抗撕裂耐磨电缆料,其特征在于,由以下重量份的原料制成:茂金属线型低密度聚乙烯50-60、氟化乙烯丙烯共聚物20-30、聚芳醚醚腈15-25、巯基乙酸异辛酯4-9、泥炭蜡6-8、蒙脱石10-15、奥米矿物纤维8-13、粉煤灰5-10、烷基磺酸苯酯10-15、石棉尾矿11-17、铅锌矿渣6-12、新癸酸钕2-3、氨基硅油8-10、碱式碳酸锌5-6、凯夫拉纤维15-20、碳化钽12-19。
2.一种如权利要求1所述的轨道交通用抗撕裂耐磨电缆料的制备方法,其特征在于,包括以下步骤:
(1)将蒙脱石、粉煤灰、石棉尾矿、铅锌矿渣混合均匀,粉碎,过筛,然后加热熔化成熔融液,充分搅拌均匀后放入清水中进行水淬,烘干,粉碎,过筛,2200-2800r/min干法球磨1-2h,然后利用流速为22-28L/min的氩气作为载流气体将烘干后的粉体按照加料速率为130-190g/min送入到氧气-乙炔焰流中,氧气-乙炔焰流中氧气流量为20-25L/min,乙炔流量为25-30L/min;当粉末经过高温火焰场时,粉末受热熔化,在表面张力的作用下形成液滴,同时通入流速为120-160L/min的氮气冲击液滴,使大粒径范围内的大液滴破碎分裂,形成小液滴,当它离开高温火焰场后立即进行冷却固化,收集,即得所需的粉体;
(2)将氟化乙烯丙烯共聚物、聚芳醚醚腈、氨基硅油加入到高速混合机内,2500-3000r/min高速搅拌至料温达到85-90℃时,加入新癸酸钕、巯基乙酸异辛酯以及步骤(1)制得的粉体,3000-3500r/min高速搅拌至料温达到90-95℃时,停止搅拌,待物料降温至50-55℃时,出料,即得所需的混合料;
(3)将茂金属线型低密度聚乙烯、烷基磺酸苯酯、泥炭蜡、碱式碳酸锌加入到开炼机内,控制辊温在70-75℃,辊距为2-3mm,混炼5-6min,再加入步骤(2)制得的混合料、凯夫拉纤维、碳化钽等余下原料,控制辊温在75-80℃,辊距为2-3mm,混炼4-5min,然后将混炼好的物料转入双螺杆挤出机内熔融共混,挤出造粒,冷却,即得所需的电缆料。
CN201610525675.7A 2016-07-06 2016-07-06 一种轨道交通用抗撕裂耐磨电缆料及其制备方法 Pending CN106084438A (zh)

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Citations (1)

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CN104804294A (zh) * 2015-04-02 2015-07-29 安徽省康利亚实业有限公司 一种铁路机车车辆用抗开裂电缆料及其制备方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104804294A (zh) * 2015-04-02 2015-07-29 安徽省康利亚实业有限公司 一种铁路机车车辆用抗开裂电缆料及其制备方法

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沈上越 等: "《矿物岩石材料工艺学》", 30 September 2005, 中国地质大学出版社 *

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