CN104788826A - 一种矿用耐老化三元乙丙橡胶电缆护套材料 - Google Patents

一种矿用耐老化三元乙丙橡胶电缆护套材料 Download PDF

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CN104788826A
CN104788826A CN201410198841.8A CN201410198841A CN104788826A CN 104788826 A CN104788826 A CN 104788826A CN 201410198841 A CN201410198841 A CN 201410198841A CN 104788826 A CN104788826 A CN 104788826A
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林新国
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Abstract

本发明公开了一种矿用耐老化三元乙丙橡胶电缆护套材料，首先将三元乙丙橡胶、丁腈橡胶、乙烯-丁烯弹性体及氯化聚乙烯作为主料，并与防老剂4040NA、防老剂3100塑炼，升高温度至78-83℃后加入白炭黑、纳米二氧化硅、氢氧化铝继续混炼1-2min；然后加入氧化锌、硬脂酸、石蜡油、氯化石蜡及苯胺甲基三乙氧基硅烷混炼均匀后排料，混炼温度为105-110℃；然后加入三聚异氰酸三烯酯、过氧化物DCP、促进剂M及促进剂TMTD进行硫化，硫化温度为158-163℃，硫化时间为1-2min，出料冷却得到矿用耐老化三元乙丙橡胶电缆护套材料。

Description

一种矿用耐老化三元乙丙橡胶电缆护套材料
技术领域
本发明涉及三元乙丙橡胶材料技术领域，尤其涉及一种矿用耐老化三元乙丙橡胶电缆护套材料。
背景技术
近几年，随着中国经济的高速发展，能源供应紧张的矛盾越来越突出，为满足这一需求，各大煤矿采用大功率的采煤设备提高产能，而与之配套传输电力的电缆的要求不断提高，乙丙橡胶绝缘具有很高的运行可靠性及其它优点，如高的耐湿性能，浸水后电气和机械性能几乎不下降，耐水、耐电性及耐热性好，随着橡胶生产、加工等方面的技术发展，乙丙橡胶在电缆生产中的用量也不断增加，现有的乙丙橡胶材料越来越无法满足高速发展的社会需求，如何制备一种耐温性能、抗撕裂性能极为优异，抗压缩变形小，生产成本少，经济效益好的矿用三元乙丙橡胶材料成为目前需要解决的技术问题。
发明内容
本发明提出了一种矿用耐老化三元乙丙橡胶电缆护套材料，耐温性能、抗撕裂性能极为优异，抗压缩变形小，生产成本少，具有良好的经济效益。
本发明提出的一种矿用耐老化三元乙丙橡胶电缆护套材料，包括：
S1、首先按重量份称取50-60份三元乙丙橡胶、30-40份丁腈橡胶、15-20份乙烯-丁烯弹性体及5-8份氯化聚乙烯作为主料，将主料及以主料为基准1-1.3wt％防老剂4040NA、0.8-1.2wt％防老剂3100一起塑炼2-4min，塑料温度为70-75℃，升高温度至78-83℃后加入30-35份白炭黑、10-15份纳米二氧化硅、30-40份氢氧化铝继续混炼1-2min；然后加入以防老剂4040NA与防老剂3100两者总量为基准56-75wt％氧化锌、1-2份硬脂酸、20-24份石蜡油、4-7份氯化石蜡及以主料为基准0.8-1.2wt％苯胺甲基三乙氧基硅烷混炼均匀后排料，混炼温度为105-110℃；
S2、向S1制备的物料中加入以苯胺甲基三乙氧基硅烷为基准75-95wt％交联活性助剂三聚异氰酸三烯酯、以三聚异氰酸三烯酯为基准120-130wt％过氧化物DCP、以过氧化物DCP为基准50-80wt％促进剂M及以过氧化物DCP为基准90-115wt％促进剂TMTD进行硫化，硫化温度为158-163℃，硫化时间为1-2min，出料冷却得到矿用耐老化三元乙丙橡胶电缆护套材料。
优选地，乙烯-丁烯弹性体门尼粘度(ML121℃，1+4)12.75-13.45，乙烯含量为65.5-73.35wt％。
优选地，在S2中，混炼温度为107-109℃。
优选地，在S2中，硫化温度为160-162℃，硫化时间为1min。
本发明中，采用三元乙丙橡胶、丁腈橡胶、乙烯-丁烯弹性体及氯化聚乙烯作为基材，配合加入防老剂4040NA、防老剂310、纳米二氧化硅，并以过氧化物DCP与交联活性助剂三聚异氰酸三烯酯为硫化体系，配以苯胺甲基三乙氧基硅烷作为偶联剂，合理添加适量其他助剂，可提高胶料交联密度和硫化速度，大大提高上述制品橡胶的抗撕裂强度，显著提高塑性，改善胶料的加工性能，其中防老剂4040NA与防老剂3100配合作用，防老剂3100可有效弥补防老剂4040后期抗老化效果差的缺点，改善制品的耐老化、耐温性能、电性能及减少压缩永久变形，制品具有良好的电气性能，物理机械性能好，耐老化、耐热、抗压缩变形极为优异，有效降低了生产成本，并具有良好的经济效益。
具体实施方式
本发明提出的一种矿用耐老化三元乙丙橡胶电缆护套材料，包括：
S1、首先按重量份称取50-60份三元乙丙橡胶、30-40份丁腈橡胶、15-20份乙烯-丁烯弹性体及5-8份氯化聚乙烯作为主料，将主料及以主料为基准1-1.3wt％防老剂4040NA、0.8-1.2wt％防老剂3100一起塑炼2-4min，塑料温度为70-75℃，升高温度至78-83℃后加入30-35份白炭黑、10-15份纳米二氧化硅、30-40份氢氧化铝继续混炼1-2min；然后加入以防老剂4040NA与防老剂3100两者总量为基准56-75wt％氧化锌、1-2份硬脂酸、20-24份石蜡油、4-7份氯化石蜡及以主料为基准0.8-1.2wt％苯胺甲基三乙氧基硅烷混炼均匀后排料，混炼温度为105-110℃；
S2、向S1制备的物料中加入以苯胺甲基三乙氧基硅烷为基准75-95wt％交联活性助剂三聚异氰酸三烯酯、以三聚异氰酸三烯酯为基准120-130wt％过氧化物DCP、以过氧化物DCP为基准50-80wt％促进剂M及以过氧化物DCP为基准90-115wt％促进剂TMTD进行硫化，硫化温度为158-163℃，硫化时间为1-2min，出料冷却得到矿用耐老化三元乙丙橡胶电缆护套材料。
实施例1
一种矿用耐老化三元乙丙橡胶电缆护套材料，包括：
S1、首先按重量份称取50份三元乙丙橡胶、40份丁腈橡胶、16份乙烯-丁烯弹性体及8份氯化聚乙烯作为主料，将主料及以主料为基准1wt％防老剂4040NA、1.15wt％防老剂3100一起塑炼2min，塑料温度为73℃，升高温度至78℃后加入34份白炭黑、12份纳米二氧化硅、40份氢氧化铝继续混炼1min；然后加入以防老剂4040NA与防老剂3100两者总量为基准74wt％氧化锌、1份硬脂酸、23份石蜡油、5份氯化石蜡及以主料为基准1.15wt％苯胺甲基三乙氧基硅烷混炼均匀后排料，混炼温度为105℃；
S2、向S1制备的物料中加入以苯胺甲基三乙氧基硅烷为基准94wt％交联活性助剂三聚异氰酸三烯酯、以三聚异氰酸三烯酯为基准125wt％过氧化物DCP、以过氧化物DCP为基准78wt％促进剂M及以过氧化物DCP为基准92wt％促进剂TMTD进行硫化，硫化温度为163℃，硫化时间为1min，出料冷却得到矿用耐老化三元乙丙橡胶电缆护套材料。
实施例2
一种矿用耐老化三元乙丙橡胶电缆护套材料，包括：
S1、首先按重量份称取60份三元乙丙橡胶、32份丁腈橡胶、20份乙烯-丁烯弹性体及5份氯化聚乙烯作为主料，将主料及以主料为基准1.25wt％防老剂4040NA、0.82wt％防老剂3100一起塑炼4min，塑料温度为70℃，升高温度至82℃后加入30份白炭黑、14份纳米二氧化硅、31份氢氧化铝继续混炼2min；然后加入以防老剂4040NA与防老剂3100两者总量为基准58wt％氧化锌、2份硬脂酸、20份石蜡油、7份氯化石蜡及以主料为基准0.8wt％苯胺甲基三乙氧基硅烷混炼均匀后排料，混炼温度为110℃；
S2、向S1制备的物料中加入以苯胺甲基三乙氧基硅烷为基准78wt％交联活性助剂三聚异氰酸三烯酯、以三聚异氰酸三烯酯为基准130wt％过氧化物DCP、以过氧化物DCP为基准55wt％促进剂M及以过氧化物DCP为基准113wt％促进剂TMTD进行硫化，硫化温度为158℃，硫化时间为2min，出料冷却得到矿用耐老化三元乙丙橡胶电缆护套材料。
实施例3
一种矿用耐老化三元乙丙橡胶电缆护套材料，包括：
S1、首先按重量份称取55份三元乙丙橡胶、37份丁腈橡胶、16份乙烯-丁烯弹性体及7份氯化聚乙烯作为主料，将主料及以主料为基准1.05wt％防老剂4040NA、1.15wt％防老剂3100一起塑炼3min，塑料温度为72℃，升高温度至80℃后加入32份白炭黑、13份纳米二氧化硅、37份氢氧化铝继续混炼1min；然后加入以防老剂4040NA与防老剂3100两者总量为基准72wt％氧化锌、2份硬脂酸、21份石蜡油、6份氯化石蜡及以主料为基准1.15wt％苯胺甲基三乙氧基硅烷混炼均匀后排料，混炼温度为108℃；
S2、向S1制备的物料中加入以苯胺甲基三乙氧基硅烷为基准92wt％交联活性助剂三聚异氰酸三烯酯、以三聚异氰酸三烯酯为基准124wt％过氧化物DCP、以过氧化物DCP为基准75wt％促进剂M及以过氧化物DCP为基准105wt％促进剂TMTD进行硫化，硫化温度为160℃，硫化时间为2min，出料冷却得到矿用耐老化三元乙丙橡胶电缆护套材料。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (4)

1.一种矿用耐老化三元乙丙橡胶电缆护套材料，其特征在于，包括：
S1、首先按重量份称取50-60份三元乙丙橡胶、30-40份丁腈橡胶、15-20份乙烯-丁烯弹性体及5-8份氯化聚乙烯作为主料，将主料及以主料为基准1-1.3wt％防老剂4040NA、0.8-1.2wt％防老剂3100一起塑炼2-4min，塑料温度为70-75℃，升高温度至78-83℃后加入30-35份白炭黑、10-15份纳米二氧化硅、30-40份氢氧化铝继续混炼1-2min；然后加入以防老剂4040NA与防老剂3100两者总量为基准56-75wt％氧化锌、1-2份硬脂酸、20-24份石蜡油、4-7份氯化石蜡及以主料为基准0.8-1.2wt％苯胺甲基三乙氧基硅烷混炼均匀后排料，混炼温度为105-110℃；
S2、向S1制备的物料中加入以苯胺甲基三乙氧基硅烷为基准75-95wt％交联活性助剂三聚异氰酸三烯酯、以三聚异氰酸三烯酯为基准120-130wt％过氧化物DCP、以过氧化物DCP为基准50-80wt％促进剂M及以过氧化物DCP为基准90-115wt％促进剂TMTD进行硫化，硫化温度为158-163℃，硫化时间为1-2min，出料冷却得到矿用耐老化三元乙丙橡胶电缆护套材料。
2.根据权利要求1所述的矿用耐老化三元乙丙橡胶电缆护套材料，其特征在于，乙烯-丁烯弹性体门尼粘度(ML121℃，1+4)12.75-13.45，乙烯含量为65.5-73.35wt％。
3.根据权利要求1所述的矿用耐老化三元乙丙橡胶电缆护套材料，其特征在于，在S2中，混炼温度为107-109℃。
4.根据权利要求1所述的矿用耐老化三元乙丙橡胶电缆护套材料，其特征在于，在S2中，硫化温度为160-162℃，硫化时间为1min。
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CN105315562A (zh) * 2015-10-21 2016-02-10 山东太平洋橡缆股份有限公司 一种煤矿电缆用复合绝缘材料
CN105462082A (zh) * 2015-12-31 2016-04-06 崇夕山 一种自限温电伴热带外护套
CN105885248A (zh) * 2016-06-14 2016-08-24 芜湖航飞科技股份有限公司 一种硅烷交联橡胶电缆护套材料
CN109360676A (zh) * 2018-09-17 2019-02-19 江苏亨通电力电缆有限公司 掘进盾构设备用耐油电缆的制造工艺

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CN104151721A (zh) * 2014-08-21 2014-11-19 太仓荣南密封件科技有限公司 一种车用操作杆系统胶料及其制备工艺

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CN102061035A (zh) * 2010-06-23 2011-05-18 上海长宁橡胶制品厂 非卤类阻燃电缆护套料及其生产方法
CN102746546A (zh) * 2012-06-15 2012-10-24 安徽华通电缆集团有限公司 一种无卤环保型风力发电用电力电缆料及其制备方法
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105315562A (zh) * 2015-10-21 2016-02-10 山东太平洋橡缆股份有限公司 一种煤矿电缆用复合绝缘材料
CN105462082A (zh) * 2015-12-31 2016-04-06 崇夕山 一种自限温电伴热带外护套
CN105885248A (zh) * 2016-06-14 2016-08-24 芜湖航飞科技股份有限公司 一种硅烷交联橡胶电缆护套材料
CN109360676A (zh) * 2018-09-17 2019-02-19 江苏亨通电力电缆有限公司 掘进盾构设备用耐油电缆的制造工艺

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