CN103524894B - 一种钻探勘测电缆用橡胶护套料及其制备方法 - Google Patents
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Abstract
本发明公开了一种钻探勘测电缆用橡胶护套料及其制备方法，其由以下重量份的原料制成：三元乙丙橡胶80-100、聚丙烯20-30、聚三氟氯乙烯10-15、十溴二苯醚5-10、三氧化二锑10-15、碱式碳酸镁4-8、硬脂酸2-3、液体石蜡3-5、氧化锌1-2、三盐基硫酸铅2-3、半补强炭黑15-20、有机膨润土10-15、2,5-二甲基-2,5-双(过氧化叔丁基)己烷0.5-1、二苯甲烷双马来酰亚胺1-2、羟基硅油3-6、乙烯基三(β-甲氧基乙氧基)硅烷1-2、环氧蓖麻油5-8、抗氧剂DSTP？1-2、复合填料3-6。本发明护套料具有优良的耐高温性、耐酸碱性、耐油性、耐老化性、耐磨性和阻燃性，完全可靠，经久耐用，完全能够满足钻探勘测电缆用护套的需要。
Description
技术领域
本发明涉及一种电缆护套料及其制备方法，具体涉及一种钻探勘测电缆用橡胶护套料及其制备方法。
背景技术
电缆护套是电缆不可缺少的中间结构部分，起着保护电缆的作用，保证电缆的通电安全，让铜丝和水、空气等介质隔绝，避免出现漏电现象。其中钻探勘测电缆用大多是在高温、易燃和腐蚀性介质等恶劣工作环境中使用，因此要求钻探勘测电缆用的护套不仅具有优异的耐高温性、阻燃性，而且还要具有优异的耐酸碱、耐油等耐介质腐蚀性。
发明内容
本发明的目的在于提供一种钻探勘测电缆用橡胶护套料及其制备方法，该护套料具有优异的耐高温性、阻燃性、耐酸碱性和耐油性。
本发明采用的技术方案如下：
一种钻探勘测电缆用橡胶护套料，由以下重量份的原料制成：三元乙丙橡胶80-100、聚丙烯20-30、聚三氟氯乙烯10-15、十溴二苯醚5-10、三氧化二锑10-15、碱式碳酸镁4-8、硬脂酸2-3、液体石蜡3-5、氧化锌1-2、三盐基硫酸铅2-3、半补强炭黑15-20、有机膨润土10-15、2,5-二甲基-2,5-双(过氧化叔丁基)己烷0.5-1、二苯甲烷双马来酰亚胺1-2、羟基硅油3-6、乙烯基三(β-甲氧基乙氧基)硅烷1-2、环氧蓖麻油5-8、抗氧剂DSTP1-2、复合填料3-6；
所述复合填料的制备方法如下：a、按重量比4-8:3-6:2-4称取高岭土、硅藻土、白云石粉碎、混合均匀后湿法球磨18-24h，再在110-120℃下烘干，然后在550-580℃下煅烧1-2h，冷却至室温后加入适量的水打浆制成浓度为40-50%的浆液，然后加浓度为10-15%的盐酸溶液调节浆液PH至4.0-5.0，70-80℃水浴加热2-3h，再用浓度为15-20%的氢氧化钠溶液调节浆液PH至中性，然后加入浆液重量1-2%的十二烷基苯磺酸钠、2-3%的六偏磷酸钠、3-5%的聚丙烯酸、2-3%的水溶性硅溶胶、1-2%的羟乙基纤维素和0.5-1%的乙二醇丁醚醋酸酯，高速研磨20-30min，烘干，过300-400目筛；b、上述过筛后的粉末中加入1-2%的纳米氮化铝、2-3%的乙烯基硅油、3-4%的季戊四醇硬脂酸酯、1-2%的玉石粉，高速剪切分散10-15min即可。
一种钻探勘测电缆用橡胶护套料的制备方法，包括以下步骤：
（1）将聚丙烯、聚三氟氯乙烯、复合填料、液体石蜡、碱式碳酸镁加入密炼机中，加热至60-70℃，混炼2-4min；然后升温至95-105℃，再加入三元乙丙橡胶、十溴二苯醚、三氧化二锑、半补强炭黑、有机膨润土、羟基硅油、环氧蓖麻油，混炼3-6min，再加入其余原料，继续混炼2-3min；然后降温至40℃以下，出料，得到混炼胶；
（2）将上述混炼胶置于平板硫化机中在160-180℃下硫化10-15min，然后置于烘箱中在145-155℃下二次硫化2-3h，即得所需的护套料。
本发明的有益效果：
本发明制得的护套料耐高温性好，可在125℃的高温环境下长期使用，且具有优良的耐酸碱性、耐油性、耐老化性和耐磨性，同时柔软性好，机械强度高，阻燃效果好，具有不延燃性和自熄灭性，燃烧时发烟量少，完全可靠，经久耐用，完全能够满足钻探勘测电缆用护套的需要。
具体实施方式
一种钻探勘测电缆用橡胶护套料，由以下重量（kg）的原料制成：三元乙丙橡胶80、聚丙烯25、聚三氟氯乙烯15、十溴二苯醚8、三氧化二锑12、碱式碳酸镁6、硬脂酸2、液体石蜡4、氧化锌1.5、三盐基硫酸铅2、半补强炭黑18、有机膨润土15、2,5-二甲基-2,5-双(过氧化叔丁基)己烷0.8、二苯甲烷双马来酰亚胺1.5、羟基硅油4、乙烯基三(β-甲氧基乙氧基)硅烷1.5、环氧蓖麻油6、抗氧剂DSTP1.5、复合填料4；
所述复合填料的制备方法如下：a、按重量比7:5:4称取高岭土、硅藻土、白云石粉碎、混合均匀后湿法球磨24h，再在120℃下烘干，然后在580℃下煅烧1h，冷却至室温后加入适量的水打浆制成浓度为45%的浆液，然后加浓度为12%的盐酸溶液调节浆液PH至4.5，80℃水浴加热2h，再用浓度为16%的氢氧化钠溶液调节浆液PH至中性，然后加入浆液重量1.5%的十二烷基苯磺酸钠、3%的六偏磷酸钠、4%的聚丙烯酸、2.5%的水溶性硅溶胶、2%的羟乙基纤维素和0.8%的乙二醇丁醚醋酸酯，高速研磨30min，烘干，过300目筛；b、上述过筛后的粉末中加入2%的纳米氮化铝、3%的乙烯基硅油、4%的季戊四醇硬脂酸酯、1.5%的玉石粉，高速剪切分散15min即可。
一种钻探勘测电缆用橡胶护套料的制备方法，包括以下步骤：
（1）将聚丙烯、聚三氟氯乙烯、复合填料、液体石蜡、碱式碳酸镁加入密炼机中，加热至70℃，混炼3min；然后升温至105℃，再加入三元乙丙橡胶、十溴二苯醚、三氧化二锑、半补强炭黑、有机膨润土、羟基硅油、环氧蓖麻油，混炼5min，再加入其余原料，继续混炼2min；然后降温至40℃以下，出料，得到混炼胶；
（2）将上述混炼胶置于平板硫化机中在170℃下硫化12min，然后置于烘箱中在150℃下二次硫化2h，即得所需的护套料。
制得的护套料的性能测试结果如下：
Claims (2)
1.一种钻探勘测电缆用橡胶护套料，其特征在于，由以下重量份的原料制成：三元乙丙橡胶80-100、聚丙烯20-30、聚三氟氯乙烯10-15、十溴二苯醚5-10、三氧化二锑10-15、碱式碳酸镁4-8、硬脂酸2-3、液体石蜡3-5、氧化锌1-2、三盐基硫酸铅2-3、半补强炭黑15-20、有机膨润土10-15、2,5-二甲基-2,5-双(过氧化叔丁基)己烷0.5-1、二苯甲烷双马来酰亚胺1-2、羟基硅油3-6、乙烯基三(β-甲氧基乙氧基)硅烷1-2、环氧蓖麻油5-8、抗氧剂DSTP1-2、复合填料3-6；
所述复合填料的制备方法如下：a、按重量比4-8:3-6:2-4称取高岭土、硅藻土、白云石粉碎、混合均匀后湿法球磨18-24h，再在110-120℃下烘干，然后在550-580℃下煅烧1-2h，冷却至室温后加入适量的水打浆制成浓度为40-50%的浆液，然后加浓度为10-15%的盐酸溶液调节浆液 pH至4.0-5.0，70-80℃水浴加热2-3h，再用浓度为15-20%的氢氧化钠溶液调节浆液 pH至中性，然后加入浆液重量1-2%的十二烷基苯磺酸钠、2-3%的六偏磷酸钠、3-5%的聚丙烯酸、2-3%的水溶性硅溶胶、1-2%的羟乙基纤维素和0.5-1%的乙二醇丁醚醋酸酯，高速研磨20-30min，烘干，过300-400目筛；b、上述过筛后的粉末中加入1-2%的纳米氮化铝、2-3%的乙烯基硅油、3-4%的季戊四醇硬脂酸酯、1-2%的玉石粉，高速剪切分散10-15min即可。
2.如权利要求1所述的钻探勘测电缆用橡胶护套料的制备方法，其特征在于包括以下步骤：
将聚丙烯、聚三氟氯乙烯、复合填料、液体石蜡、碱式碳酸镁加入密炼机中，加热至60-70℃，混炼2-4min；然后升温至95-105℃，再加入三元乙丙橡胶、十溴二苯醚、三氧化二锑、半补强炭黑、有机膨润土、羟基硅油、环氧蓖麻油，混炼3-6min，再加入其余原料，继续混炼2-3min；然后降温至40℃以下，出料，得到混炼胶；
（2）将上述混炼胶置于平板硫化机中在160-180℃下硫化10-15min，然后置于烘箱中在145-155℃下二次硫化2-3h，即得所需的护套料。
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