CN106009405A - 一种高强高韧抗冲击聚氯乙烯电缆料及其制备方法 - Google Patents

一种高强高韧抗冲击聚氯乙烯电缆料及其制备方法 Download PDF

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CN106009405A
CN106009405A CN201610526922.5A CN201610526922A CN106009405A CN 106009405 A CN106009405 A CN 106009405A CN 201610526922 A CN201610526922 A CN 201610526922A CN 106009405 A CN106009405 A CN 106009405A
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梅家让
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Abstract

本发明公开了一种高强高韧抗冲击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64‑78、聚酚氧树脂29‑43、纸筋灰14‑22、奥米矿物纤维10‑15、针钠钙石15‑23、硅酸铅4‑6、松香改性马来酸树脂15‑25、邻苯二甲酸二(2‑丙基庚)酯11‑17、十八碳醇5‑7、二硼化铝10‑15、菱镁矿渣14‑22。本发明通过聚酚氧树脂、聚双环戊二烯等与聚氯乙烯共混,不仅明显提高了聚氯乙烯的冲击韧性,还提高了聚氯乙烯的拉伸强度、断裂伸长率、耐热性、耐水性和化学稳定性,通过添加碳晶须、纸筋灰等原料,不仅达到了一定的增韧效果,提高了材料的力学性能,还改善了材料的耐候性和耐磨性。

Description

一种高强高韧抗冲击聚氯乙烯电缆料及其制备方法
技术领域
本发明涉及一种高强高韧抗冲击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电缆料的机械强度和冲击韧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,提供一种高强高韧抗冲击聚氯乙烯电缆料及其制备方法。本发明制备的电缆料力学性能优异,不仅具有较高的拉伸强度和断裂伸长率,还具有良好的冲击韧性。
为实现上述目的,本发明采用如下技术方案:
一种高强高韧抗冲击聚氯乙烯电缆料,由以下重量份的原料制成:聚氯乙烯64-78、聚酚氧树脂29-43、纸筋灰14-22、奥米矿物纤维10-15、针钠钙石15-23、均苯四甲酸四异辛酯12-19、聚双环戊二烯20-30、大理石废渣19-31、碳晶须10-15、12-羟基硬脂酸甲酯7-9、硅酸铅4-6、松香改性马来酸树脂15-25、邻苯二甲酸二(2-丙基庚)酯11-17、十八碳醇5-7、二硼化铝10-15、菱镁矿渣14-22。
一种高强高韧抗冲击聚氯乙烯电缆料的制备方法,包括以下步骤:
(1)将针钠钙石、大理石废渣、菱镁矿渣混合均匀,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,14000-18000r/min高速球磨1.5-2h,过筛,然后利用流速为22-26L/min的氮气作为载流气体将过筛后的粉体按照加料速率为25-30g/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32-38L/min,射频功率为36-42kW,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220-260L/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)将聚酚氧树脂、聚双环戊二烯、松香改性马来酸树脂、邻苯二甲酸二(2-丙基庚)酯加入到高速混合机内,3500-4500r/min高速搅拌至料温达到75-80℃时,加入二硼化铝、十八碳醇以及步骤(1)制得的粉体,4000-5000r/min高速搅拌至料温达到80-85℃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)将聚氯乙烯、均苯四甲酸四异辛酯、2-羟基硬脂酸甲酯、硅酸铅加入到开炼机内,控制辊温在60-80℃,辊距为3-4mm,混炼4-7min,再加入步骤(2)制得的混合料以及碳晶须、纸筋灰、奥米矿物纤维等余下原料,控制辊温在75-95℃,辊距为2-3mm,混炼3-5min,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:
本发明通过聚酚氧树脂、聚双环戊二烯、松香改性马来酸树脂与聚氯乙烯共混,不仅明显提高了聚氯乙烯的冲击韧性,还提高了聚氯乙烯的拉伸强度、断裂伸长率、耐热性、耐水性和化学稳定性,通过添加碳晶须、纸筋灰、奥米矿物纤维等原料,不仅达到了一定的增韧效果,提高了材料的力学性能,还改善了材料的耐候性和耐磨性。
具体实施方式
一种高强高韧抗冲击聚氯乙烯电缆料,由以下重量份的原料制成:聚氯乙烯71、聚酚氧树脂34、纸筋灰18、奥米矿物纤维11、针钠钙石17、均苯四甲酸四异辛酯15、聚双环戊二烯25、大理石废渣26、碳晶须12、12-羟基硬脂酸甲酯8、硅酸铅5、松香改性马来酸树脂20、邻苯二甲酸二(2-丙基庚)酯14、十八碳醇6、二硼化铝13、菱镁矿渣18。
一种高强高韧抗冲击聚氯乙烯电缆料的制备方法,包括以下步骤:
(1)将针钠钙石、大理石废渣、菱镁矿渣混合均匀,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,16000r/min高速球磨1.5h,过筛,然后利用流速为24L/min的氮气作为载流气体将过筛后的粉体按照加料速率为27g/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35L/min,射频功率为39kW,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240L/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)将聚酚氧树脂、聚双环戊二烯、松香改性马来酸树脂、邻苯二甲酸二(2-丙基庚)酯加入到高速混合机内,4000r/min高速搅拌至料温达到76℃时,加入二硼化铝、十八碳醇以及步骤(1)制得的粉体,4500r/min高速搅拌至料温达到83℃时,停止搅拌,待物料降温至54℃时,出料,即得所需的混合料;
(3)将聚氯乙烯、均苯四甲酸四异辛酯、2-羟基硬脂酸甲酯、硅酸铅加入到开炼机内,控制辊温在70℃,辊距为4mm,混炼6min,再加入步骤(2)制得的混合料以及碳晶须、纸筋灰、奥米矿物纤维等余下原料,控制辊温在85℃,辊距为2.5mm,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)

1.一种高强高韧抗冲击聚氯乙烯电缆料,其特征在于,由以下重量份的原料制成:聚氯乙烯64-78、聚酚氧树脂29-43、纸筋灰14-22、奥米矿物纤维10-15、针钠钙石15-23、均苯四甲酸四异辛酯12-19、聚双环戊二烯20-30、大理石废渣19-31、碳晶须10-15、12-羟基硬脂酸甲酯7-9、硅酸铅4-6、松香改性马来酸树脂15-25、邻苯二甲酸二(2-丙基庚)酯11-17、十八碳醇5-7、二硼化铝10-15、菱镁矿渣 14-22。
2.一种如权利要求1所述的高强高韧抗冲击聚氯乙烯电缆料的制备方法,其特征在于,包括以下步骤:
(1)将针钠钙石、大理石废渣、菱镁矿渣混合均匀,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,14000-18000r/min高速球磨1.5-2h,过筛,然后利用流速为22-26L/min的氮气作为载流气体将过筛后的粉体按照加料速率为25-30g/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32-38L/min,射频功率为36-42kW,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220-260L/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)将聚酚氧树脂、聚双环戊二烯、松香改性马来酸树脂、邻苯二甲酸二(2-丙基庚)酯加入到高速混合机内,3500-4500r/min高速搅拌至料温达到75-80℃时,加入二硼化铝、十八碳醇以及步骤(1)制得的粉体,4000-5000r/min高速搅拌至料温达到80-85℃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)将聚氯乙烯、均苯四甲酸四异辛酯、2-羟基硬脂酸甲酯、硅酸铅加入到开炼机内,控制辊温在60-80℃,辊距为3-4mm,混炼4-7min,再加入步骤(2)制得的混合料以及碳晶须、纸筋灰、奥米矿物纤维等余下原料,控制辊温在75-95℃,辊距为2-3mm,混炼3-5min,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。
CN201610526922.5A 2016-07-06 2016-07-06 一种高强高韧抗冲击聚氯乙烯电缆料及其制备方法 Pending CN106009405A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107501799A (zh) * 2017-09-13 2017-12-22 陆叶锋 一种回收级氯乙烯材料及其制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103524946A (zh) * 2013-10-17 2014-01-22 宁波一舟塑胶有限公司 一种耐高温的热塑性聚氯乙烯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
CN103524946A (zh) * 2013-10-17 2014-01-22 宁波一舟塑胶有限公司 一种耐高温的热塑性聚氯乙烯电缆料及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107501799A (zh) * 2017-09-13 2017-12-22 陆叶锋 一种回收级氯乙烯材料及其制备方法

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