CN106317622A - 一种高弹性高韧性通信用聚丙烯电缆料及其制备方法 - Google Patents

一种高弹性高韧性通信用聚丙烯电缆料及其制备方法 Download PDF

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CN106317622A
CN106317622A CN201610704231.XA CN201610704231A CN106317622A CN 106317622 A CN106317622 A CN 106317622A CN 201610704231 A CN201610704231 A CN 201610704231A CN 106317622 A CN106317622 A CN 106317622A
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沈必亮
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Anhui Chunhui Instrument Cable Group Co Ltd
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Abstract

本发明公开了一种高弹性高韧性通信用聚丙烯电缆料及其制备方法，由以下重量份的原料制成：无规聚丙烯70‑90、热塑性弹性体SEEPS 25‑35、环形对苯二甲酸丁二醇酯 14‑26、纳米纤维素晶须15‑25、古马隆树脂 12‑20、二硬脂酸羟铝6‑12、硅质页岩20‑30、邻苯二甲酸二异癸酯16‑24、石棉尾矿18‑32、硬脂酸镉2‑4、绒毛粉10‑15、碱式硫酸镁晶须9‑16、火山灰 15‑25。本发明改善了材料的韧性和弹性，同时在体系中加入了纳米纤维素晶须、绒毛粉、碱式硫酸镁晶须等原料，提高了材料的抗拉强度和断裂伸长率，还可以改善材料的耐热性、耐磨性和耐腐蚀性。

Description

一种高弹性高韧性通信用聚丙烯电缆料及其制备方法
技术领域
本发明涉及一种高弹性高韧性通信用聚丙烯电缆料及其制备方法，属于电缆材料制造技术领域。
背景技术
电缆用高分子材料，除了聚氯乙烯，聚烯烃用量最大，其中聚乙烯和聚丙烯最为常用。聚丙烯是由丙烯为单体聚合制得的一种热塑性树脂，具有熔点高，耐热、耐腐蚀，比聚乙烯有更高的热变形温度及更大的硬度等优点，因此聚丙烯可广泛用于制作电缆制品。近几年，随着电缆制造行业的快速发展，对通信用聚丙烯电缆料的弹性和韧性要求越来越高，传统聚丙烯电缆料的弹性和韧性越来越无法满足市场的需求。
发明内容
针对现有技术中存在的上述不足，本发明所要解决的技术问题是提供高弹性高韧性通信用聚丙烯电缆料及其制备方法。
本发明所要解决的技术问题是通过如下技术方案实现的：
一种高弹性高韧性通信用聚丙烯电缆料，由以下重量份的原料制成：无规聚丙烯70-90、热塑性弹性体SEEPS 25-35、环形对苯二甲酸丁二醇酯14-26、纳米纤维素晶须15-25、古马隆树脂12-20、二硬脂酸羟铝6-12、硅质页岩20-30、邻苯二甲酸二异癸酯16-24、石棉尾矿18-32、硬脂酸镉2-4、绒毛粉10-15、碱式硫酸镁晶须9-16、火山灰15-25。
一种高弹性高韧性通信用聚丙烯电缆料的制备方法，包括以下步骤：
(1)将硅质页岩、石棉尾矿、火山灰混合均匀，粉碎，过筛，720-790℃煅烧1-2h，冷却至室温后按照固液比1：3-4将煅烧后的粉末加入到质量分数为20％的硫酸溶液中，水浴加热至40-50℃，保温浸泡3-6h，静置冷却后过滤，滤渣用水洗涤至中性；然后滤渣加水搅拌制成浓度为40-50％的浆液，再加入相当于滤渣重量25-30％的氢氧化钠，加热至沸腾，保温1-3h后静置陈化2-4h，过滤，滤液通入二氧化碳气体至pH＝9-10时停止，静置陈化0.5-1h后超声处理20-30min，过滤，滤渣烘干后在480-520℃温度下煅烧1-3h，冷却至室温；最后将冷却后的粉末加热熔化成熔融液，然后利用流速≥300m/s的高速氩气惰性气体将熔融液从气流式雾化器喷嘴喷出，同时在表面张力的作用下形成液滴，随即冷却，固化，即得所需的粉体；
(2)将无规聚丙烯、热塑性弹性体SEEPS、环形对苯二甲酸丁二醇酯、硬脂酸镉、二硬脂酸羟铝、邻苯二甲酸二异癸酯以及上述步骤(1)制得的粉体加入到高速混合机内，高速搅拌至料温达到60-70℃时，加入余下原料，高速搅拌至料温达到75-85℃时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：
本发明在无规聚丙烯的基础上，引入了热塑性弹性体SEEPS、环形对苯二甲酸丁二醇酯等树脂，改善了材料的韧性和弹性，同时在体系中加入了纳米纤维素晶须、绒毛粉、碱式硫酸镁晶须等原料，提高了材料的抗拉强度和断裂伸长率，还可以改善材料的耐热性、耐磨性和耐腐蚀性。
具体实施方式
一种高弹性高韧性通信用聚丙烯电缆料，由以下重量(kg)的原料制成：：无规聚丙烯80、热塑性弹性体SEEPS 30、环形对苯二甲酸丁二醇酯23、纳米纤维素晶须20、古马隆树脂17、二硬脂酸羟铝9、硅质页岩25、邻苯二甲酸二异癸酯20、石棉尾矿26、硬脂酸镉3、绒毛粉12、碱式硫酸镁晶须13、火山灰20。
一种高弹性高韧性通信用聚丙烯电缆料的制备方法，包括以下步骤：
(1)将硅质页岩、石棉尾矿、火山灰混合均匀，粉碎，过筛，720-790℃煅烧1-2h，冷却至室温后按照固液比1：3-4将煅烧后的粉末加入到质量分数为20％的硫酸溶液中，水浴加热至40-50℃，保温浸泡3-6h，静置冷却后过滤，滤渣用水洗涤至中性；然后滤渣加水搅拌制成浓度为40-50％的浆液，再加入相当于滤渣重量25-30％的氢氧化钠，加热至沸腾，保温1-3h后静置陈化2-4h，过滤，滤液通入二氧化碳气体至pH＝9-10时停止，静置陈化0.5-1h后超声处理20-30min，过滤，滤渣烘干后在480-520℃温度下煅烧1-3h，冷却至室温；最后将冷却后的粉末加热熔化成熔融液，然后利用流速≥300m/s的高速氩气惰性气体将熔融液从气流式雾化器喷嘴喷出，同时在表面张力的作用下形成液滴，随即冷却，固化，即得所需的粉体；
(2)将无规聚丙烯、热塑性弹性体SEEPS、环形对苯二甲酸丁二醇酯、硬脂酸镉、二硬脂酸羟铝、邻苯二甲酸二异癸酯以及上述步骤(1)制得的粉体加入到高速混合机内，高速搅拌至料温达到60-70℃时，加入余下原料，高速搅拌至料温达到75-85℃时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丙烯电缆料的主要性能检测结果如下表所示：

Claims (2)

1.一种高弹性高韧性通信用聚丙烯电缆料，其特征在于，由以下重量份的原料制成：无规聚丙烯70-90、热塑性弹性体SEEPS 25-35、环形对苯二甲酸丁二醇酯 14-26、纳米纤维素晶须15-25、古马隆树脂 12-20、二硬脂酸羟铝6-12、硅质页岩20-30、邻苯二甲酸二异癸酯16-24、石棉尾矿18-32、硬脂酸镉2-4、绒毛粉10-15、碱式硫酸镁晶须9-16、火山灰 15-25。
2.一种如权利要求1所述的高弹性高韧性通信用聚丙烯电缆料的制备方法，其特征在于，包括以下步骤：
（1）将硅质页岩、石棉尾矿、火山灰混合均匀，粉碎，过筛，720-790℃煅烧1-2h，冷却至室温后按照固液比1：3-4将煅烧后的粉末加入到质量分数为20%的硫酸溶液中，水浴加热至40-50℃，保温浸泡3-6h，静置冷却后过滤，滤渣用水洗涤至中性；然后滤渣加水搅拌制成浓度为40-50%的浆液，再加入相当于滤渣重量25-30%的氢氧化钠，加热至沸腾，保温1-3h后静置陈化2-4h，过滤，滤液通入二氧化碳气体至pH=9-10时停止，静置陈化0.5-1h后超声处理20-30min，过滤，滤渣烘干后在480-520℃温度下煅烧1-3h，冷却至室温；最后将冷却后的粉末加热熔化成熔融液，然后利用流速≥300 m/s的高速氩气惰性气体将熔融液从气流式雾化器喷嘴喷出，同时在表面张力的作用下形成液滴，随即冷却，固化，即得所需的粉体；
（2）将无规聚丙烯、热塑性弹性体SEEPS、环形对苯二甲酸丁二醇酯、硬脂酸镉、二硬脂酸羟铝、邻苯二甲酸二异癸酯以及上述步骤（1）制得的粉体加入到高速混合机内，高速搅拌至料温达到60-70℃时，加入余下原料，高速搅拌至料温达到75-85℃时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。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111961284A (zh) * 2020-08-26 2020-11-20 安徽国泰智能科技有限公司 一种轻型货车用轻质高强度导流罩
CN113583336A (zh) * 2021-07-23 2021-11-02 江阴市海江高分子材料有限公司 一种耐热柔软半导电屏蔽pp电缆材料及其制备方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104629190A (zh) * 2015-02-09 2015-05-20 杭州波达塑料科技股份有限公司 一种电缆导管用改性聚丙烯复合材料及其制备方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104629190A (zh) * 2015-02-09 2015-05-20 杭州波达塑料科技股份有限公司 一种电缆导管用改性聚丙烯复合材料及其制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111961284A (zh) * 2020-08-26 2020-11-20 安徽国泰智能科技有限公司 一种轻型货车用轻质高强度导流罩
CN113583336A (zh) * 2021-07-23 2021-11-02 江阴市海江高分子材料有限公司 一种耐热柔软半导电屏蔽pp电缆材料及其制备方法

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