CN105778343A - 一种耐高温柔软阻燃电缆及其制备方法 - Google Patents
一种耐高温柔软阻燃电缆及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种耐高温柔软阻燃电缆,包括如下重量份数的成分:PVC树脂35‑45份、聚碳酸酯树脂20‑30份、亚铁锌镍3‑7份、三氧化二锑1‑3份、磷酸锌4‑8份、草酸锡6‑10份、锆酸铝纤维10‑15份、纤维素乙酸酯丙酸酯12‑18份、肉豆蔻酸甲酯8‑14份、维生素A醋酸酯3‑6份、甲基烯丙基二硫醚10‑20份、磷脂酰乙醇胺7‑13份、三苯基硝基硅烷6‑10份。该电缆具备良好地耐高温性能,能够在160℃下保持良好电缆性能,且延展性和柔软性良好,不会发生干裂、脆裂现象。
Description
技术领域
本发明属于电缆制备领域,具体涉及一种耐高温柔软阻燃电缆及其制备方法。
背景技术
电线电缆是一种用于传输电(磁)能、信息,实现电磁能转换的线材产品。电力电缆的主要功能和架空导线一样,在电力系统中传输和分配大容量的电能用。电线电缆行业虽然是一个配套行业,但随着我国经济水平的迅速提高,其产量却占据着我国电工行业的1/4左右。其产品种类众多,应用范围非常广泛,与电力、建筑、通信、制造等行业中都密切相关。电线电缆被称为国民经济的神经,是实现电磁能量转换不可或缺的器材。未来电气化、信息化社会中,电线电缆扮演着非常重要的角色,是必要的基础产品。现有电线电缆的发展已经趋向于多功能化和集成化,提高电线电缆的各种性能成为研究的热点。然而,传统电缆中存在耐高温性能较差,且在长时间的高温环境下机械强度下降,易发生干裂、脆裂等现象,严重影响着电线电缆的使用场景和寿命。
发明内容
针对现有技术中存在的以上技术问题,本发明提供一种耐高温柔软阻燃电缆及其制备方法,该电缆具备良好地耐高温性能,能够在160℃下保持良好电缆性能,且延展性和柔软性良好,不会发生干裂、脆裂现象。
技术方案:一种耐高温柔软阻燃电缆,包括如下重量份数的成分:PVC树脂35-45份、聚碳酸酯树脂20-30份、亚铁锌镍3-7份、三氧化二锑1-3份、磷酸锌4-8份、草酸锡6-10份、锆酸铝纤维10-15份、纤维素乙酸酯丙酸酯12-18份、肉豆蔻酸甲酯8-14份、维生素A醋酸酯3-6份、甲基烯丙基二硫醚10-20份、磷脂酰乙醇胺7-13份、三苯基硝基硅烷6-10份。
优选的,所述PVC树脂40-45份、聚碳酸酯树脂25-30份、亚铁锌镍4-6份、三氧化二锑1.5-2.5份、磷酸锌5-7份、草酸锡7-9份、锆酸铝纤维12-14份、纤维素乙酸酯丙酸酯13-16份、肉豆蔻酸甲酯10-13份、维生素A醋酸酯4-6份、甲基烯丙基二硫醚14-18份、磷脂酰乙醇胺9-12份、三苯基硝基硅烷8-10份。
优选的,所述PVC树脂42份、聚碳酸酯树脂28份、亚铁锌镍5份、三氧化二锑2份、磷酸锌6份、草酸锡8份、锆酸铝纤维13份、纤维素乙酸酯丙酸酯15份、肉豆蔻酸甲酯12份、维生素A醋酸酯5份、甲基烯丙基二硫醚16份、磷脂酰乙醇胺11份、三苯基硝基硅烷9份。
一种耐高温柔软阻燃电缆的制备方法,包括如下步骤:
(1)将PVC树脂35-45份、聚碳酸酯树脂20-30份、三氧化二锑1-3份和磷酸锌4-8份在温度130-150℃下混合15-20min,得到混合液A;
(2)将亚铁锌镍3-7份、草酸锡6-10份、锆酸铝纤维10-15份、纤维素乙酸酯丙酸酯12-18份和肉豆蔻酸甲酯8-14份在温度140-160℃下快速混合10-15min,得到混合液B;
(3)将步骤(1)中所述混合液A中依次加入维生素A醋酸酯3-6份和三苯基硝基硅烷6-10份,继续升温至150-160℃下,在不搅拌情况下反应5-8min,得到混合液C;
(4)随后将步骤(2)中混合液B、甲基烯丙基二硫醚10-20份和磷脂酰乙醇胺7-13份加入步骤(3)中混合液C中,保持温度160-170℃下,混合10-15min,随后送入双螺杆挤出机挤出造粒即可得到所述耐高温柔软阻燃电缆。
优选的,步骤(1)中所述温度为140℃,混合17min。
优选的,步骤(2)中所述温度150℃,以速率500-600r/min搅拌混合13min。
优选的,步骤(3)中温度为156℃,反应时间6min。
优选的,步骤(4)中温度为165℃,混合13min。
有益效果:本发明所述的一种耐高温柔软阻燃电缆的制备方法,以PVC树脂和聚碳酸酯树脂为基础原料,加入亚铁锌镍、锆酸铝纤维、肉豆蔻酸甲酯、维生素A醋酸酯、甲基烯丙基二硫醚、磷脂酰乙醇胺和三苯基硝基硅烷物质,加强PVC树脂和聚碳酸酯树脂良好兼容的同时,提高了电缆的耐高温性能,且具备良好的延展性能,避免了传统电缆中在高温环境中易发生干裂、脆裂等不足,在160℃下仍然具有良好的机械性能和阻燃性能。
具体实施方式
实施例1
(1)将PVC树脂35份、聚碳酸酯树脂20份、三氧化二锑1份和磷酸锌4份在温度130℃下混合15min,得到混合液A;
(2)将亚铁锌镍3份、草酸锡6份、锆酸铝纤维10份、纤维素乙酸酯丙酸酯12份和肉豆蔻酸甲酯8份在温度140℃下,以速率600r/min快速混合10min,得到混合液B;
(3)将步骤(1)中所述混合液A中依次加入维生素A醋酸酯3份和三苯基硝基硅烷6份,继续升温至150℃下,在不搅拌情况下反应5min,得到混合液C;
(4)随后将步骤(2)中混合液B、甲基烯丙基二硫醚10份和磷脂酰乙醇胺7份加入步骤(3)中混合液C中,保持温度160℃下,混合10min,随后送入双螺杆挤出机挤出造粒即可得到所述耐高温柔软阻燃电缆。
对比例1
(1)将PVC树脂35份、聚碳酸酯树脂20份、三氧化二锑1份和磷酸锌4份在温度130℃下混合15min,得到混合液A;
(2)将步骤(1)中所述混合液A中加入三苯基硝基硅烷6份,继续升温至150℃下,在不搅拌情况下反应5min,得到混合液C;
(3)将磷脂酰乙醇胺7份加入步骤(2)中混合液C中,保持温度160℃下,混合10min,随后送入双螺杆挤出机挤出造粒即可得到电缆。
实施例2
(1)将PVC树脂45份、聚碳酸酯树脂30份、三氧化二锑3份和磷酸锌8份在温度150℃下混合20min,得到混合液A;
(2)将亚铁锌镍7份、草酸锡10份、锆酸铝纤维15份、纤维素乙酸酯丙酸酯18份和肉豆蔻酸甲酯14份在温度160℃下,以速率500r/min快速混合15min,得到混合液B;
(3)将步骤(1)中所述混合液A中依次加入维生素A醋酸酯6份和三苯基硝基硅烷10份,继续升温至160℃下,在不搅拌情况下反应8min,得到混合液C;
(4)随后将步骤(2)中混合液B、甲基烯丙基二硫醚20份和磷脂酰乙醇胺13份加入步骤(3)中混合液C中,保持温度170℃下,混合15min,随后送入双螺杆挤出机挤出造粒即可得到所述耐高温柔软阻燃电缆。
对比例2
(1)将PVC树脂45份、聚碳酸酯树脂30份、三氧化二锑3份和磷酸锌8份在温度150℃下混合20min,得到混合液A;
(2)将步骤(1)中所述混合液A中加入三苯基硝基硅烷10份,继续升温至160℃下,在不搅拌情况下反应8min,得到混合液C;
(3)将磷脂酰乙醇胺13份加入步骤(2)中混合液C中,保持温度170℃下,混合15min,随后送入双螺杆挤出机挤出造粒即可得到电缆。
实施例3
(1)将PVC树脂40份、聚碳酸酯树脂25份、三氧化二锑1.5份和磷酸锌5份在温度130℃下混合15min,得到混合液A;
(2)将亚铁锌镍4份、草酸锡7份、锆酸铝纤维12份、纤维素乙酸酯丙酸酯13份和肉豆蔻酸甲酯10份在温度140℃下,以速率600r/min快速快速混合10min,得到混合液B;
(3)将步骤(1)中所述混合液A中依次加入维生素A醋酸酯3份和三苯基硝基硅烷6份,继续升温至150℃下,在不搅拌情况下反应5min,得到混合液C;
(4)随后将步骤(2)中混合液B、甲基烯丙基二硫醚10份和磷脂酰乙醇胺7份加入步骤(3)中混合液C中,保持温度160℃下,混合10min,随后送入双螺杆挤出机挤出造粒即可得到所述耐高温柔软阻燃电缆。
实施例4
(1)将PVC树脂45份、聚碳酸酯树脂30份、三氧化二锑2.5份和磷酸锌7份在温度150℃下混合20min,得到混合液A;
(2)将亚铁锌镍6份、草酸锡9份、锆酸铝纤维14份、纤维素乙酸酯丙酸酯16份和肉豆蔻酸甲酯13份在温度160℃下,以速率500r/min快速快速混合15min,得到混合液B;
(3)将步骤(1)中所述混合液A中依次加入维生素A醋酸酯6份和三苯基硝基硅烷10份,继续升温至160℃下,在不搅拌情况下反应8min,得到混合液C;
(4)随后将步骤(2)中混合液B、甲基烯丙基二硫醚20份和磷脂酰乙醇胺13份加入步骤(3)中混合液C中,保持温度170℃下,混合15min,随后送入双螺杆挤出机挤出造粒即可得到所述耐高温柔软阻燃电缆。
实施例5
(1)将PVC树脂42份、聚碳酸酯树脂28份、三氧化二锑2份和磷酸锌6份在温度140℃下混合17min,得到混合液A;
(2)将亚铁锌镍5份、草酸锡8份、锆酸铝纤维13份、纤维素乙酸酯丙酸酯15份和肉豆蔻酸甲酯12份在温度150℃下,以速率550r/min快速混合13min,得到混合液B;
(3)将步骤(1)中所述混合液A中依次加入维生素A醋酸酯5份和三苯基硝基硅烷9份,继续升温至156℃下,在不搅拌情况下反应6min,得到混合液C;
(4)随后将步骤(2)中混合液B、甲基烯丙基二硫醚16份和磷脂酰乙醇胺11份加入步骤(3)中混合液C中,保持温度165℃下,混合13min,随后送入双螺杆挤出机挤出造粒即可得到所述耐高温柔软阻燃电缆。
将上述各个实施例和对比例中所得电缆进行160℃×150h的高温试验,其机械性能如下表所述:
Claims (8)
1.一种耐高温柔软阻燃电缆,其特征在于,包括如下重量份数的成分:PVC树脂35-45份、聚碳酸酯树脂20-30份、亚铁锌镍3-7份、三氧化二锑1-3份、磷酸锌4-8份、草酸锡6-10份、锆酸铝纤维10-15份、纤维素乙酸酯丙酸酯12-18份、肉豆蔻酸甲酯8-14份、维生素A醋酸酯3-6份、甲基烯丙基二硫醚10-20份、磷脂酰乙醇胺7-13份、三苯基硝基硅烷6-10份。
2.根据权利要求1所述的一种耐高温柔软阻燃电缆,其特征在于,所述PVC树脂40-45份、聚碳酸酯树脂25-30份、亚铁锌镍4-6份、三氧化二锑1.5-2.5份、磷酸锌5-7份、草酸锡7-9份、锆酸铝纤维12-14份、纤维素乙酸酯丙酸酯13-16份、肉豆蔻酸甲酯10-13份、维生素A醋酸酯4-6份、甲基烯丙基二硫醚14-18份、磷脂酰乙醇胺9-12份、三苯基硝基硅烷8-10份。
3.根据权利要求2所述的一种耐高温柔软阻燃电缆,其特征在于,所述PVC树脂42份、聚碳酸酯树脂28份、亚铁锌镍5份、三氧化二锑2份、磷酸锌6份、草酸锡8份、锆酸铝纤维13份、纤维素乙酸酯丙酸酯15份、肉豆蔻酸甲酯12份、维生素A醋酸酯5份、甲基烯丙基二硫醚16份、磷脂酰乙醇胺11份、三苯基硝基硅烷9份。
4.一种耐高温柔软阻燃电缆的制备方法,其特征在于,包括如下步骤:
将PVC树脂35-45份、聚碳酸酯树脂20-30份、三氧化二锑1-3份和磷酸锌4-8份在温度130-150℃下混合15-20min,得到混合液A;
将亚铁锌镍3-7份、草酸锡6-10份、锆酸铝纤维10-15份、纤维素乙酸酯丙酸酯12-18份和肉豆蔻酸甲酯8-14份在温度140-160℃下快速混合10-15min,得到混合液B;
将步骤(1)中所述混合液A中依次加入维生素A醋酸酯3-6份和三苯基硝基硅烷6-10份,继续升温至150-160℃下,在不搅拌情况下反应5-8min,得到混合液C;
随后将步骤(2)中混合液B、甲基烯丙基二硫醚10-20份和磷脂酰乙醇胺7-13份加入步骤(3)中混合液C中,保持温度160-170℃下,混合10-15min,随后送入双螺杆挤出机挤出造粒即可得到所述耐高温柔软阻燃电缆。
5.根据权利要求4所述的一种耐高温柔软阻燃电缆的制备方法,其特征在于,步骤(1)中所述温度为140℃,混合17min。
6.根据权利要求4所述的一种耐高温柔软阻燃电缆的制备方法,其特征在于,步骤(2)中所述温度150℃,以速率500-600r/min搅拌混合13min。
7.根据权利要求4所述的一种耐高温柔软阻燃电缆的制备方法,其特征在于,步骤(3)中温度为156℃,反应时间6min。
8.根据权利要求4所述的一种耐高温柔软阻燃电缆的制备方法,其特征在于,步骤(4)中温度为165℃,混合13min。
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