CN106117893A - 一种用于热电偶补偿电缆的护套料 - Google Patents
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Abstract
本发明公开了一种用于热电偶补偿电缆的护套料,由以下重量份原料制备而成:聚氯乙烯、氯乙烯‑醋酸乙烯共聚物、乙烯‑丙烯‑二环戊二烯的聚合物、改性蛋白石、改性玻璃纤维、三聚氰酸三烯丙酯、三氟甲烷磺酸钙、聚氧乙基甘油醚、偶氮二甲酰胺、1‑乙基‑2‑吡咯烷酮、纳米氧化镁、硬酯酸锌、氢氧化镁、木质纤维素、2,6二叔丁基对甲酚、乙烯基三甲氧基硅烷、月桂醇硫酸钠、邻苯二甲酰亚胺基丙二酸二乙酯、炭黑、硅藻土、凹凸棒土。本发明护套料具有耐高低温和良好的阻燃性能,同时也具有较高的拉伸强度和抗冲强度和较好的耐水性、耐腐蚀性,抗蠕变性、耐磨性。添加的改性蛋白石和改性玻璃纤维可进一步加强阻燃、隔热效果。
Description
技术领域
本发明涉及一种用于热电偶补偿电缆的护套料,属于电线电缆技术领域。
背景技术
热电偶补偿电缆电缆在长期工作中,很容易积聚热量而发生火灾,而火灾致人死亡的主要因素并不是火焰的直接燃烧,而是物料燃烧时产生的烟,这些烟不但产生大量的有毒物质,而且可以导致人窒息,这才是因火灾而死亡的主要因素,而现有大多数电力电缆料燃烧时都会产生大量的烟和有毒物质。
发明内容
本发明目的是提供一种用于热电偶补偿电缆的护套料,其阻燃性能好、产烟量少,且抗老化性、工作稳定性和可靠性强。
本发明的方案如下:一种用于热电偶补偿电缆的护套料,由以下重量份原料制备而成:
聚氯乙烯120-139份、氯乙烯-醋酸乙烯共聚物35-48份、乙烯-丙烯-二环戊二烯的聚合物26-37份、改性蛋白石18-26份、改性玻璃纤维10-20份、三聚氰酸三烯丙酯8-18份、三氟甲烷磺酸钙7-13份、聚氧乙基甘油醚5-9份、偶氮二甲酰胺1-6份、1-乙基-2-吡咯烷酮3-7份、纳米氧化镁8-14份、硬酯酸锌4-10份、氢氧化镁12-18份、木质纤维素5-10份、2,6 二叔丁基对甲酚1-5份、乙烯基三甲氧基硅烷8-20份、月桂醇硫酸钠4-9份、邻苯二甲酰亚胺基丙二酸二乙酯2-6份、炭黑4-10份、硅藻土4-8份、凹凸棒土5-20份。
所述的改性玻璃纤维由以下方法制备而成:
将35-40g玻璃纤维、1-3g辛基酚醛增粘树脂、0.6-2g乙烯醇乙烯共聚物、1-2g1,6-己二胺、0.8-2.5g乙烯基二甲基乙氧基硅烷、2-3g2-甲氧基乙基乙酸酯、2-4g月桂醇聚氧乙烯醚、1.5-2.6g硬脂酸镁混合均匀,在750-780℃下加热35-40min, 冷却、研磨,即得。
进一步,所述的改性蛋白石由以下方法制备而成:将蛋白石80-90g、高岭石12-18g、青金石5-10g分别粉碎、研磨后混合,在720-750℃高温下煅烧42-50min,再升至890-960℃高温下煅烧1-2h,冷却,得复配蛋白石粉;将复配蛋白石粉、无水乙醇200-300g、N,N'-亚乙基油酰胺5-10g、四乙基亚甲基二磷酸脂12-18g、三羟基聚氧化丙烯醚1-3g均匀混合,在210-230℃温度下加热26-35min;冷却、烘干、研磨,即得。
一种用于热电偶补偿电缆的护套料的生产方法,步骤如下:
将聚氯乙烯、氯乙烯-醋酸乙烯共聚物、乙烯-丙烯-二环戊二烯的聚合物混合均匀,然后放入螺杆挤出机中混合、造粒,得基础树脂;然后将基础树脂送入密炼机中密炼油,密炼时间为4-5min,密炼温度为65-68℃,得主料;将主料与余料投入离心机中搅拌混合均匀后再投入到螺杆挤出机中造粒。
本发明护套料具有耐高低温和良好的阻燃性能,同时也具有较高的拉伸强度和抗冲强度和较好的耐水性、耐腐蚀性,抗蠕变性、耐磨性。添加的改性蛋白石和改性玻璃纤维可进一步加强阻燃、隔热效果。
具体实施方式
改性蛋白石制备
将蛋白石88g、高岭石16g、青金石8g分别粉碎、研磨后混合,在720-750℃高温下煅烧48min,再升至910℃高温下煅烧1.5h,冷却,得复配蛋白石粉;将复配蛋白石粉、无水乙醇280g、N,N'-亚乙基油酰胺6g、四乙基亚甲基二磷酸脂15g、三羟基聚氧化丙烯醚1.4g均匀混合,在220℃温度下加热31min;冷却、烘干、研磨,即得。
改性玻璃纤维制备:
将38g玻璃纤维、1.9g辛基酚醛增粘树脂、1.6g乙烯醇乙烯共聚物、2g1,6-己二胺、2g乙烯基二甲基乙氧基硅烷、2.6g2-甲氧基乙基乙酸酯、3g月桂醇聚氧乙烯醚、1.6g硬脂酸镁混合均匀,在770℃下加热40min, 冷却、研磨,即得。
实施例1
一种用于热电偶补偿电缆的护套料,由以下重量份原料制备而成:
聚氯乙烯138份、氯乙烯-醋酸乙烯共聚物39份、乙烯-丙烯-二环戊二烯的聚合物33份、改性蛋白石24份、改性玻璃纤维16份、三聚氰酸三烯丙酯9份、三氟甲烷磺酸钙10份、聚氧乙基甘油醚8份、偶氮二甲酰胺4份、1-乙基-2-吡咯烷酮4份、纳米氧化镁9份、硬酯酸锌8份、氢氧化镁14份、木质纤维素6份、2,6 二叔丁基对甲酚4份、乙烯基三甲氧基硅烷15份、月桂醇硫酸钠7份、邻苯二甲酰亚胺基丙二酸二乙酯4份、炭黑8份、硅藻土7份、凹凸棒土14份。
生产方法:将聚氯乙烯、氯乙烯-醋酸乙烯共聚物、乙烯-丙烯-二环戊二烯的聚合物混合均匀,然后放入螺杆挤出机中混合、造粒,得基础树脂;然后将基础树脂送入密炼机中密炼油,密炼时间为4-5min,密炼温度为65-68℃,得主料;将主料与余料投入离心机中搅拌混合均匀后再投入到螺杆挤出机中造粒。上述方法为常规方法。
生产方法同实施例1。
实施例2
一种用于热电偶补偿电缆的护套料,由以下重量份原料制备而成:
聚氯乙烯124份、氯乙烯-醋酸乙烯共聚物37份、乙烯-丙烯-二环戊二烯的聚合物28份、改性蛋白石20份、改性玻璃纤维14份、三聚氰酸三烯丙酯14份、三氟甲烷磺酸钙11份、聚氧乙基甘油醚6份、偶氮二甲酰胺4份、1-乙基-2-吡咯烷酮5份、纳米氧化镁13份、硬酯酸锌5份、氢氧化镁16份、木质纤维素8份、2,6 二叔丁基对甲酚3份、乙烯基三甲氧基硅烷11份、月桂醇硫酸钠6份、邻苯二甲酰亚胺基丙二酸二乙酯3份、炭黑8份、硅藻土6份、凹凸棒土15份。
生产方法同实施例1。
实施例3
一种用于热电偶补偿电缆的护套料,由以下重量份原料制备而成:
聚氯乙烯129份、氯乙烯-醋酸乙烯共聚物41份、乙烯-丙烯-二环戊二烯的聚合物26份、改性蛋白石20份、改性玻璃纤维16份、三聚氰酸三烯丙酯9份、三氟甲烷磺酸钙10份、聚氧乙基甘油醚8份、偶氮二甲酰胺3份、1-乙基-2-吡咯烷酮6份、纳米氧化镁8份、硬酯酸锌6份、氢氧化镁15份、木质纤维素6份、2,6 二叔丁基对甲酚3份、乙烯基三甲氧基硅烷14份、月桂醇硫酸钠6份、邻苯二甲酰亚胺基丙二酸二乙酯3份、炭黑7份、硅藻土8份、凹凸棒土6份。
生产方法同实施例1。
对比例1
与实施例1区别处在于,绝缘层中不含有改性蛋白石。
对比例2
与实施例1区别处在于,绝缘层中不含有改性玻璃纤维。
对比例3
与实施例1区别处在于,绝缘层中不含有、改性玻璃纤维和改性蛋白石。
对比例4
普通热电偶补偿电缆用护套料。
对上述实施例1-3、对比例1-4的电缆护套料进行测试,性能如下表所示。
测试项目 | 实施例1 | 实施例2 | 实施例3 | 对比例1 | 对比例2 | 对比例3 | 对比例4 |
拉伸强度(MPa) | 23.1 | 22.6 | 22.8 | 20.3 | 20.1 | 17.9 | 15.3 |
断裂伸长率(%) | 258 | 251 | 259 | 231 | 234 | 199 | 173 |
热变形(%) | 18.1 | 18.2 | 17.9 | 23.8 | 23.4 | 26 | 32 |
200℃热稳定时间(min) | 255 | 256 | 258 | 237 | 233 | 218 | 192 |
尽管上文对本发明的具体实施方式给予了详细描述和说明,但是应该指明的是,我们可以依据本发明的构想对上述实施方式进行各种等效改变和修改,其所产生的功能作用仍未超出说明书所涵盖的精神时,均应在本发明的保护范围之内。
Claims (3)
1.一种用于热电偶补偿电缆的护套料,其特征在于,由以下重量份原料制备而成:
聚氯乙烯120-139份、氯乙烯-醋酸乙烯共聚物35-48份、乙烯-丙烯-二环戊二烯的聚合物26-37份、改性蛋白石18-26份、改性玻璃纤维10-20份、三聚氰酸三烯丙酯8-18份、三氟甲烷磺酸钙7-13份、聚氧乙基甘油醚5-9份、偶氮二甲酰胺1-6份、1-乙基-2-吡咯烷酮3-7份、纳米氧化镁8-14份、硬酯酸锌4-10份、氢氧化镁12-18份、木质纤维素5-10份、2,6 二叔丁基对甲酚1-5份、乙烯基三甲氧基硅烷8-20份、月桂醇硫酸钠4-9份、邻苯二甲酰亚胺基丙二酸二乙酯2-6份、炭黑4-10份、硅藻土4-8份、凹凸棒土5-20份,
所述的改性玻璃纤维由以下方法制备而成:
将35-40g玻璃纤维、1-3g辛基酚醛增粘树脂、0.6-2g乙烯醇乙烯共聚物、1-2g1,6-己二胺、0.8-2.5g乙烯基二甲基乙氧基硅烷、2-3g2-甲氧基乙基乙酸酯、2-4g月桂醇聚氧乙烯醚、1.5-2.6g硬脂酸镁混合均匀,在750-780℃下加热35-40min, 冷却、研磨,即得。
2.根据权利要求1所述的一种用于热电偶补偿电缆的护套料,其特征在于,所述的改性蛋白石由以下方法制备而成:
将蛋白石80-90g、高岭石12-18g、青金石5-10g分别粉碎、研磨后混合,在720-750℃高温下煅烧42-50min,再升至890-960℃高温下煅烧1-2h,冷却,得复配蛋白石粉;将复配蛋白石粉、无水乙醇200-300g、N,N'-亚乙基油酰胺5-10g、四乙基亚甲基二磷酸脂12-18g、三羟基聚氧化丙烯醚1-3g均匀混合,在210-230℃温度下加热26-35min;冷却、烘干、研磨,即得。
3.根据权利要求1或2所述的一种用于热电偶补偿电缆的护套料的生产方法,其特征在于,步骤如下:
将聚氯乙烯、氯乙烯-醋酸乙烯共聚物、乙烯-丙烯-二环戊二烯的聚合物混合均匀,然后放入螺杆挤出机中混合、造粒,得基础树脂;然后将基础树脂送入密炼机中密炼油,密炼时间为4-5min,密炼温度为65-68℃,得主料;将主料与余料投入离心机中搅拌混合均匀后再投入到螺杆挤出机中造粒。
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