CN106046613A - 一种耐挤压抗折断聚氯乙烯电缆料及其制备方法 - Google Patents

一种耐挤压抗折断聚氯乙烯电缆料及其制备方法 Download PDF

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CN106046613A
CN106046613A CN201610525396.0A CN201610525396A CN106046613A CN 106046613 A CN106046613 A CN 106046613A CN 201610525396 A CN201610525396 A CN 201610525396A CN 106046613 A CN106046613 A CN 106046613A
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梅家让
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Abstract

本发明公开了一种耐挤压抗折断聚氯乙烯电缆料及其制备方法,其由以下重量份的原料制成:聚氯乙烯66‑77、苯乙烯‑丁二烯嵌段共聚物33‑45、二乙二醇二苯甲酸酯13‑19、三(月桂酸巯基乙酯)锑4‑5、环形对苯二甲酸丁二醇酯25‑35、黄磷炉渣18‑26、冰洲石15‑25、水泥粉尘22‑28、聚乙烯蜡8‑9、蛇纹石石棉10‑15、纳米硼纤维10‑15。本发明在聚氯乙烯电缆料配方中添加了苯乙烯‑丁二烯嵌段共聚物、环形对苯二甲酸丁二醇酯、木粉、蛇纹石石棉、纳米硼纤维等原料,使制得的电缆料具有较高的拉伸强度和弯曲强度,能够耐挤压和抗折断,有效地保护电缆免受外力损伤,提高了电缆的安全性能。

Description

一种耐挤压抗折断聚氯乙烯电缆料及其制备方法
技术领域
本发明涉及一种耐挤压抗折断聚氯乙烯电缆料及其制备方法,属于高分子材料领域。
背景技术
聚氯乙烯(PVC)是一种聚合材料(或树脂),它是由分子式为CH2=CHCl的单体氯乙烯(VCM)多次叠加而成。PVC因其具有良好的物理、化学、电气、阻燃性能,且价格优廉,因此它在电线电缆行业有着广泛的应用。随着电缆行业的快速发展,对PVC电缆的性能有着越来越高的要求。然而现有PVC电缆料的耐挤压性和抗折断性越来越无法满足市场的要求。
发明内容
本发明的目的在于针对现有技术的不足,提供一种耐挤压抗折断聚氯乙烯电缆料及其制备方法。本发明制得的电缆机械强度高,具有良好的耐挤压性和抗折断性。
为实现上述目的,本发明采用如下技术方案:
一种耐挤压抗折断聚氯乙烯电缆料,由以下重量份的原料制成:聚氯乙烯66-77、苯乙烯-丁二烯嵌段共聚物33-45、二乙二醇二苯甲酸酯13-19、三(月桂酸巯基乙酯)锑4-5、环形对苯二甲酸丁二醇酯25-35、黄磷炉渣18-26、木粉15-20、松脂岩14-22、方柱石10-15、无规共聚聚丙烯10-20、邻苯二甲酸二环己酯11-18、冰洲石15-25、水泥粉尘22-28、聚乙烯蜡8-9、蛇纹石石棉10-15、纳米硼纤维10-15。
一种耐挤压抗折断聚氯乙烯电缆料的制备方法,包括以下步骤:
(1)将黄磷炉渣、松脂岩、方柱石、冰洲石、水泥粉尘混合均匀,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,15000-25000r/min高速球磨1-3h,过筛,然后利用流速为20-40L/min的氮气作为载流气体将过筛后的粉体按照加料速率为25-45g/min输送到等离子体炬中,工作气体为压缩空气,工作气体流量为30-50L/min,射频功率为35-45kW,粉末在通过等离子体炬时被迅速加热而熔化,在表面张力的作用下形成液滴,同时通入流速为200-300L/min的氩气冲击液滴,使大粒径范围内的大液滴破碎分裂,形成小液滴,并随即进行快速冷凝,收集,即得所需的粉体;
(2)将苯乙烯-丁二烯嵌段共聚物、环形对苯二甲酸丁二醇酯、邻苯二甲酸二环己酯加入到高速混合机内,2500-4500r/min高速搅拌至料温达到55-75℃时,加入木粉以及步骤(1)制得的粉体,3000-5000r/min高速搅拌至料温达到65-85℃时,停止搅拌,待物料降温至35-45℃时,出料,即得所需的混合料;
(3)将聚氯乙烯、无规共聚聚丙烯、二乙二醇二苯甲酸酯、三(月桂酸巯基乙酯)锑、聚乙烯蜡加入到开炼机内,控制辊温在60-70℃,辊距为2-3mm,混炼7-8min,再加入步骤(2)制得的混合料以及蛇纹石石棉、纳米硼纤维等余下原料,控制辊温在65-75℃,辊距为1.5-2.5mm,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:
本发明在聚氯乙烯电缆料配方中添加了苯乙烯-丁二烯嵌段共聚物、环形对苯二甲酸丁二醇酯、木粉、蛇纹石石棉、纳米硼纤维等原料,使制得的电缆料具有较高的拉伸强度和弯曲强度,能够耐挤压和抗折断,有效地保护电缆免受外力损伤,提高了电缆的安全性能,对于耐挤压和抗折断要求较高的电缆纸片有很好的应用。
具体实施方式
一种耐挤压抗折断聚氯乙烯电缆料,由以下重量(kg)的原料制成:聚氯乙烯70、苯乙烯-丁二烯嵌段共聚物40、二乙二醇二苯甲酸酯15、三(月桂酸巯基乙酯)锑4.5、环形对苯二甲酸丁二醇酯30、黄磷炉渣22、木粉18、松脂岩17、方柱石12、无规共聚聚丙烯15、邻苯二甲酸二环己酯14、冰洲石20、水泥粉尘26、聚乙烯蜡8.5、蛇纹石石棉13、纳米硼纤维12。
一种耐挤压抗折断聚氯乙烯电缆料的制备方法,包括以下步骤:
(1)将黄磷炉渣、松脂岩、方柱石、冰洲石、水泥粉尘混合均匀,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,20000r/min高速球磨2h,过筛,然后利用流速为30L/min的氮气作为载流气体将过筛后的粉体按照加料速率为35g/min输送到等离子体炬中,工作气体为压缩空气,工作气体流量为40L/min,射频功率为40kW,粉末在通过等离子体炬时被迅速加热而熔化,在表面张力的作用下形成液滴,同时通入流速为250L/min的氩气冲击液滴,使大粒径范围内的大液滴破碎分裂,形成小液滴,并随即进行快速冷凝,收集,即得所需的粉体;
(2)将苯乙烯-丁二烯嵌段共聚物、环形对苯二甲酸丁二醇酯、邻苯二甲酸二环己酯加入到高速混合机内,3500r/min高速搅拌至料温达到65℃时,加入木粉以及步骤(1)制得的粉体,4000r/min高速搅拌至料温达到75℃时,停止搅拌,待物料降温至40℃时,出料,即得所需的混合料;
(3)将聚氯乙烯、无规共聚聚丙烯、二乙二醇二苯甲酸酯、三(月桂酸巯基乙酯)锑、聚乙烯蜡加入到开炼机内,控制辊温在65℃,辊距为2.5mm,混炼78min,再加入步骤(2)制得的混合料以及蛇纹石石棉、纳米硼纤维等余下原料,控制辊温在70℃,辊距为2mm,混炼4min,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氯乙烯电缆料的主要性能检测结果如下表所示:

Claims (2)

1.一种耐挤压抗折断聚氯乙烯电缆料,其特征在于,由以下重量份的原料制成:聚氯乙烯66-77、苯乙烯-丁二烯嵌段共聚物33-45、二乙二醇二苯甲酸酯13-19、三(月桂酸巯基乙酯)锑4-5、环形对苯二甲酸丁二醇酯25-35、黄磷炉渣18-26、木粉15-20、松脂岩14-22、方柱石10-15、无规共聚聚丙烯10-20、邻苯二甲酸二环己酯11-18、冰洲石15-25、水泥粉尘22-28、聚乙烯蜡8-9、蛇纹石石棉10-15、纳米硼纤维10-15。
2.一种如权利要求1所述的耐挤压抗折断聚氯乙烯电缆料的制备方法,其特征在于,包括以下步骤:
(1)将黄磷炉渣、松脂岩、方柱石、冰洲石、水泥粉尘混合均匀,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,15000-25000r/min高速球磨1-3h,过筛,然后利用流速为20-40L/min的氮气作为载流气体将过筛后的粉体按照加料速率为25-45g/min输送到等离子体炬中,工作气体为压缩空气,工作气体流量为30-50L/min,射频功率为35-45kW,粉末在通过等离子体炬时被迅速加热而熔化,在表面张力的作用下形成液滴,同时通入流速为200-300L/min的氩气冲击液滴,使大粒径范围内的大液滴破碎分裂,形成小液滴,并随即进行快速冷凝,收集,即得所需的粉体;
(2)将苯乙烯-丁二烯嵌段共聚物、环形对苯二甲酸丁二醇酯、邻苯二甲酸二环己酯加入到高速混合机内,2500-4500r/min高速搅拌至料温达到55-75℃时,加入木粉以及步骤(1)制得的粉体,3000-5000r/min高速搅拌至料温达到65-85℃时,停止搅拌,待物料降温至35-45℃时,出料,即得所需的混合料;
(3)将聚氯乙烯、无规共聚聚丙烯、二乙二醇二苯甲酸酯、三(月桂酸巯基乙酯)锑、聚乙烯蜡加入到开炼机内,控制辊温在60-70℃,辊距为2-3mm,混炼7-8min,再加入步骤(2)制得的混合料以及蛇纹石石棉、纳米硼纤维等余下原料,控制辊温在65-75℃,辊距为1.5-2.5mm,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。
CN201610525396.0A 2016-07-06 2016-07-06 一种耐挤压抗折断聚氯乙烯电缆料及其制备方法 Pending CN106046613A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106432981A (zh) * 2016-11-10 2017-02-22 佛山慧创正元新材料科技有限公司 一种高强度的聚氯乙烯护套料以及制造方法
CN110534239A (zh) * 2019-07-29 2019-12-03 安徽电缆股份有限公司 一种耐老化光伏电缆

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101456996A (zh) * 2008-12-30 2009-06-17 深圳市领亚电子有限公司 电线电缆用耐油聚氯乙烯组合物及制备方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101456996A (zh) * 2008-12-30 2009-06-17 深圳市领亚电子有限公司 电线电缆用耐油聚氯乙烯组合物及制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106432981A (zh) * 2016-11-10 2017-02-22 佛山慧创正元新材料科技有限公司 一种高强度的聚氯乙烯护套料以及制造方法
CN110534239A (zh) * 2019-07-29 2019-12-03 安徽电缆股份有限公司 一种耐老化光伏电缆

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