CN105885433A - 高阻燃耐火通讯线缆料的制备方法 - Google Patents

高阻燃耐火通讯线缆料的制备方法 Download PDF

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CN105885433A
CN105885433A CN201610470254.9A CN201610470254A CN105885433A CN 105885433 A CN105885433 A CN 105885433A CN 201610470254 A CN201610470254 A CN 201610470254A CN 105885433 A CN105885433 A CN 105885433A
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杨先云
董涛
査莉花
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Anhui Woyaoliuliu Information Technology Co Ltd
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Abstract

本发明公开了一种高阻燃耐火通讯线缆料，其特征在于，包括以下重量份组分：甲基乙烯基硅橡胶 30‑40、等规聚丙烯 20‑25、苯乙烯系弹性体 20‑40、苯基三乙氧基硅烷 1.5‑2.5、双 十八碳醇酯 1‑3、乙烯 ‑ 醋酸乙烯共聚物 20‑30、聚 ‑4‑ 甲基 ‑1‑ 戊烯 0.3‑0.5、聚己酸内醋 5‑10、过氧化二异丙苯 2‑3。本发明具有很好的防火阻燃性，可以广泛应用于建筑材料、电力电线保护管等。

Description

高阻燃耐火通讯线缆料的制备方法
技术领域
本发明涉及电缆材料领域，特别是一种可以用于高阻燃耐火通讯线缆料的制备方法。
背景技术
由多根互相绝缘的导线或导体构成缆芯，外部具有密封护套的通信线路。有的在护套外面还装有外护层。有架空、直埋、管道和水底等多种敷设方式。按结构分为对称、同轴和综合电缆；按功能分为野战和永备电缆（地下、海底电缆）。通信电缆传输频带较宽，通信容量较大，受外界干扰小，但不易检修。可传输电话、电报、数据和图像等。
线缆料是加工外护套的主要原料，外护套是保护电线电缆的绝缘层防止环境因素侵蚀的结构部分。 外护套的主要作 用是提高电线电缆的机械强度、防化学腐蚀、防潮、防水浸人、阻止电缆燃烧等能力。 线缆 护套料包括了橡胶、塑料、尼龙等多种品种，都具有各自优良的特性，例如，氯丁橡胶具有良 好的物理机械性能，耐油，耐热，耐燃，耐日光，耐臭氧，耐酸碱、耐化学试剂，具有较高的拉 伸强度、伸长率和可逆的结晶性，粘接性好，耐老化、耐热、耐油、耐化学腐蚀性能优异，在 80 ～ 100℃可长期使用，具有一定的阻燃性 ；同时也存在缺点，比如贮存稳定性较差。 其他的 护套料也存在一定的缺点，而且随着线缆的应用范围越来越广，护套料的性能也需要改善。
发明内容
本发明目的就是为了弥补已有技术的缺陷，提供一种具有很好的防火阻燃性，可以广泛应用于建筑材料、电力电线保护管等，耐腐蚀、耐高低温性强，使用寿命久的高阻燃耐火通讯线缆料的制备方法。
本发明是通过以下技术方案实现的：
具体实施方式
一种高阻燃耐火通讯线缆料，其特征在于，包括以下重量份组分：甲基乙烯基硅橡胶 40、等规聚丙烯 25、苯乙烯系弹性体 40、苯基三乙氧基硅烷 2.5、双 十八碳醇酯 3、乙烯 - 醋酸乙烯共聚物 30、聚 -4- 甲基 -1- 戊烯 0.5、聚己酸内醋 10、过氧化二异丙苯 3、硼酸锌 8、硬脂酸锌 3、五氧化二铌 4、萤石粉 20、氯化石蜡 5、1,4-环己烷二甲醇 5、六偏磷酸钠 4、过氧化钾 2、防老剂 MB 1、硫化剂 DCBP 1、优化填料 30；
所述优化填料的制备方法如下 ：取下列重量份的原料：聚乙烯树脂30、柠檬酸三丁酯 35、聚磷酸铵 8、白炭黑 3、焙烧沸石粉 5、乙撑基双硬酯酰胺 1.0、过硫化钠 3 、聚酰亚胺 4、三聚氰胺 5、聚 -4- 甲 基 -1- 戊烯 0.5、过氧化二烷烃 3、聚乙烯蜡 4；将聚乙烯树脂、柠檬酸三丁酯、聚磷酸铵、焙烧沸石粉、乙撑基双硬酯酰胺混合研磨2-3小时制成混合物；再将白炭黑、过硫化钠、聚酰亚胺、三聚氰胺混合搅拌反应 60-90 分钟，控温在 50℃ -60℃，反应 2-3 小时，制成粉；将聚 -4- 甲 基 -1- 戊烯、过氧化二烷烃、聚乙烯蜡加热5-8分钟，再加入前序两种加工产物混合搅拌均匀，分散研磨成 2-50μm 的颗粒，即得。
所述高阻燃耐火通讯线缆料的制备方法，其特征在于，包括以下步骤：
（1）、将甲基乙烯基硅橡胶、等规聚丙烯混合，在80℃-120℃的密炼机中混炼5-8分钟，再添加苯乙烯系弹性体、苯基三乙氧基硅烷、双 十八碳醇酯、乙烯 - 醋酸乙烯共聚物、聚 -4- 甲基 -1- 戊烯继续混炼5-8分钟，备用；
（2）将聚己酸内醋、过氧化二异丙苯、硼酸锌、硬脂酸锌、混合搅拌均匀，加入五氧化二铌、萤石粉、氯化石蜡，送入 50-60℃的水浴中，保温搅拌 7-8 小时，再在300-350w 功率下超声处理 26-30 分钟，再放入高速混合机中，常温下以 1000 转 / 分的速度搅拌10分钟后，后放置在温度为 90℃的鼓风干燥箱中干燥3小时，取出磨成粉；
（3）将1,4-环己烷二甲醇、六偏磷酸钠、过氧化钾、防老剂 MB、硫化剂 DCBP、优化填料投入高速捏合机内，在90-100℃下高速捏合 7-9min，再投入160～170℃的密炼机中，塑炼18～20min，再添加步骤（1）、（2）所得物料在110～130℃下混炼5～8min，然后将最终的混合料冷却后送入开炼机中开炼，薄通6～7 次，即得。
本发明制得的环保型防水通讯缆料性能 ： 耐温等级高，在 135℃下连续长时间稳定工作 ；老化前 ：断裂伸长率 260%，抗拉强度 11N ／ mm2 ；老化后 ： （ 110℃，240h） 断裂伸长率 215%，抗拉强度 7N ／ mm2 ；耐臭氧 （ 24℃，浓 度 0.025-0.029%，30h）无裂纹 ；电性能 ：体积电阻率 1.9*1012 欧姆 . 米，击穿强度 19Kv/mm。

Claims (2)

1.一种高阻燃耐火通讯线缆料，其特征在于，包括以下重量份组分：甲基乙烯基硅橡胶 30-40、等规聚丙烯 20-25、苯乙烯系弹性体 20-40、苯基三乙氧基硅烷 1.5-2.5、双 十八碳醇酯 1-3、乙烯 - 醋酸乙烯共聚物 20-30、聚 -4- 甲基 -1- 戊烯 0.3-0.5、聚己酸内醋 5-10、过氧化二异丙苯 2-3、硼酸锌 5-8、硬脂酸锌 1-3、五氧化二铌 4-6、萤石粉 20-30、氯化石蜡 5-7、1,4-环己烷二甲醇 3-5、六偏磷酸钠 4-5、过氧化钾 1-2、防老剂 MB 1-2、硫化剂 DCBP0.8-1、优化填料 25-30；
所述优化填料的制备方法如下 ：取下列重量份的原料：聚乙烯树脂 20-30、柠檬酸三丁酯 25-35、聚磷酸铵 3-8、白炭黑 1-3、焙烧沸石粉 3-5、乙撑基双硬酯酰胺 0.5-1.0、过硫化钠 1-3 、聚酰亚胺 3-4、三聚氰胺 2-5、聚 -4- 甲 基 -1- 戊烯 0.3-0.5、过氧化二烷烃 1-3、聚乙烯蜡 2-4；将聚乙烯树脂、柠檬酸三丁酯、聚磷酸铵、焙烧沸石粉、乙撑基双硬酯酰胺混合研磨2-3小时制成混合物；再将白炭黑、过硫化钠、聚酰亚胺、三聚氰胺混合搅拌反应 60-90 分钟，控温在 50℃ -60℃，反应 2-3 小时，制成粉；将聚 -4- 甲 基 -1- 戊烯、过氧化二烷烃、聚乙烯蜡加热5-8分钟，再加入前序两种加工产物混合搅拌均匀，分散研磨成 2-50μm 的颗粒，即得。
2.如权利要求1所述高阻燃耐火通讯线缆料的制备方法，其特征在于，包括以下步骤：
（1）、将甲基乙烯基硅橡胶、等规聚丙烯混合，在80℃-120℃的密炼机中混炼5-8分钟，再添加苯乙烯系弹性体、苯基三乙氧基硅烷、双 十八碳醇酯、乙烯 - 醋酸乙烯共聚物、聚 -4- 甲基 -1- 戊烯继续混炼5-8分钟，备用；
（2）将聚己酸内醋、过氧化二异丙苯、硼酸锌、硬脂酸锌、混合搅拌均匀，加入五氧化二铌、萤石粉、氯化石蜡，送入 50-60℃的水浴中，保温搅拌 7-8 小时，再在300-350w 功率下超声处理 26-30 分钟，再放入高速混合机中，常温下以 1000 转 / 分的速度搅拌10分钟后，后放置在温度为 90℃的鼓风干燥箱中干燥3小时，取出磨成粉；
（3）将1,4-环己烷二甲醇、六偏磷酸钠、过氧化钾、防老剂 MB、硫化剂 DCBP、优化填料投入高速捏合机内，在90-100℃下高速捏合 7-9min，再投入160～170℃的密炼机中，塑炼18～20min，再添加步骤（1）、（2）所得物料在110～130℃下混炼5～8min，然后将最终的混合料冷却后送入开炼机中开炼，薄通6～7 次，即得。
CN201610470254.9A 2016-06-26 2016-06-26 高阻燃耐火通讯线缆料的制备方法 Withdrawn CN105885433A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107501955A (zh) * 2017-08-30 2017-12-22 上海贝思特管业有限公司 一种通讯用微管的制备方法

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Publication number Priority date Publication date Assignee Title
CN102746672A (zh) * 2012-06-15 2012-10-24 安徽华通电缆集团有限公司 一种硅橡胶绝缘电缆料及其制备方法
CN102746573A (zh) * 2012-06-07 2012-10-24 安徽胜华电缆集团有限公司 一种甲基乙烯基硅橡胶绝缘耐热控制电缆料及其制备方法
CN102911409A (zh) * 2012-09-18 2013-02-06 铜陵市铜都特种线缆厂 一种环保型抗拉耐高温控制电缆料及其制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102746573A (zh) * 2012-06-07 2012-10-24 安徽胜华电缆集团有限公司 一种甲基乙烯基硅橡胶绝缘耐热控制电缆料及其制备方法
CN102746672A (zh) * 2012-06-15 2012-10-24 安徽华通电缆集团有限公司 一种硅橡胶绝缘电缆料及其制备方法
CN102911409A (zh) * 2012-09-18 2013-02-06 铜陵市铜都特种线缆厂 一种环保型抗拉耐高温控制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
CN107501955A (zh) * 2017-08-30 2017-12-22 上海贝思特管业有限公司 一种通讯用微管的制备方法

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