CN105001551A - 一种耐腐蚀的电力保护管 - Google Patents
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Abstract
本发明公开了一种耐腐蚀的电力保护管,其特征在于,由下列重量份的原料制成:聚氯乙烯100-130、氢氧化镁2-4、硬脂酸0.1-0.4、碳酸钙6-10、木质素磺酸钠0.2-0.5、纳米三氧化二锑1-2、油酸钠0.5-1、硅烷偶联剂kh5500.4-1、六甲基磷酰三胺0.5-0.8、石英粉1-2、硅灰石纤维2-3、防老剂40101-2、尿素2-3、水适量;本发明添加的六甲基磷酰三胺、石英粉、硅灰石纤维和尿素混合在一定条件下极大程度在促进了填料在pvc中的分散性、相容性等,也提高了其耐腐蚀性、耐老化性、阻燃性、高的机械强度和韧性,延长了耐腐蚀电力保护管的使用寿命。
Description
技术领域
本发明涉及电力保护管技术领域,尤其涉及一种耐腐蚀的电力保护管。
背景技术
PVC管具有较好的抗拉、抗压强度,但其柔性不如其他塑料管,耐腐蚀性优良,价格在各类塑料管中最便宜,但低温下较脆,耐热性能突出,热变形温度为100°C,耐化学性能优良,用于住宅生活、工矿业、农业的供排水、灌溉、供气、排气用管、电线导管、雨水管、工业防腐管等。PVC主要成份为聚氯乙烯,另外加入其他成分来增强其耐热性、韧性、延展性等。我国塑料管的生产与应用,与先进国家相比差距不小,在很多应用方面还有待发展,急于等待我们去开拓,如燃气管的开发、城市埋地排污管的敷设、石油天然气的输送、通讯光 缆及农田灌溉节水喷管滴管的敷设等。在这些关系到我国城市和国家发展的塑料管应用量占整个塑料管总量的60%-70%,但是真正进入到这一领域的塑料管生产企业还不到30%,与世界先进水平相比,中国PVC热稳定剂还存在较大差距,主要表现在品种少、生产结构不合理、生产规模小、产业集中度低等方面;提出中国PVC稳定剂应向低毒、无污染、复合、高效等方向发展。中国PVC新材料生产始于80年代,当时受限于国内本地的技术水平,PVC型材的发展一直比较缓慢。随着后期政府一系列限制木材使用的政策出台,PVC型材的市场被打开。从pvc的需求分布来看,我国pvc树脂在各领域的应用比例正在不断变化,软制品消费比例逐年下降,而异型材、管材、板材等主要用作建筑材料的硬质品消费比例不断提高。pvc软制品种类很多,除薄膜、人造革、电线电缆外,还有墙纸/发泡材料以及地板革,2013年这两类领域消耗的pvc量将分别达到23万吨和32万吨。目前我国pvc硬制品消费比例已经上升至59.2%,但与发达国家相比尚有一定差距。因此,管材、异型材等制品仍将是今后pvc消费的主要增长点。
发明内容
本发明的目的是提供一种耐腐蚀的电力保护管。
为了实现本发明的目的,本发明通过以下方案实施:
一种耐腐蚀的电力保护管,由下列重量份的原料制成:聚氯乙烯100-130、氢氧化镁2-4、硬脂酸0.1-0.4、碳酸钙6-10、木质素磺酸钠0.2-0.5、纳米三氧化二锑1-2、油酸钠0.5-1、硅烷偶联剂kh5500.4-1、六甲基磷酰三胺0.5-0.8、石英粉1-2、硅灰石纤维2-3、防老剂40101-2、尿素2-3、水适量;
根据权利要求1所述一种耐腐蚀的电力保护管,其特征在于,由以下具体步骤制备制成:
(1)将氢氧化镁投入适量的水中,搅拌均匀呈悬浮液,升高温度至40-60°C,再将硬脂酸用2倍量的乙醇溶解,加到氢氧化镁悬浮液中,搅拌至反应完全,在加入木质素磺酸钠、纳米三氧化二锑混合搅拌均匀,喷雾干燥,过筛备用;
(2)将油酸钠加去离子水溶解制成1%的油酸钠水溶液,电动搅拌10min并升高温度至60°C,加入碳酸钙搅拌1.5h,搅拌完成后静置4-6h后抽滤,用去离子水洗涤,在烘箱中于80°C下烘干备用;
(3)将步骤(1)和步骤(2)制备的产物混合,再加入硅烷偶联剂kh550混合研磨均匀,再加入聚氯乙烯,升高温度至80-90°C,先低速搅拌均匀,在高速搅拌至110°C时出料备用;
(4)将其余剩余的物料加到搅拌机中混合搅拌均匀,加热至40-50°C,搅拌10-15min后备用;
(5)将步骤(3)制备的物料加到双螺杆式挤出机中,挤出机各段温度依次为170°C,180°C,180°C,180°C,170°C ,转速为50-60转/分钟,给料螺杆速度在20转/分钟,将步骤(4)得到的混合物在自然排气口加入,进行挤出、拉条、冷却、造粒,然后于真空干燥箱内70-80°C干燥2-3小时即可。
本发明的优点是:本发明采用硬脂酸、纳米三氧化二锑和木质素磺酸钠改性氢氧化镁,提高憎水亲油性能,增强了与pvc的相容性,且分散性、加工流动性好,并且使产品的力学性能不会受到影响,阻燃性能增强,油酸钠作为改性剂使碳酸钙表面有机化,使碳酸钙粒子表面具有一定的疏水性,在pvc中分散性好,能够提高复合材料的抗冲击强度和增韧的作用,本发明将改性的氢氧化镁和碳酸钙偶联加到聚氯乙烯中极大的改善产品阻燃、易脆、对缺口十分敏感、抗冲击性能差的问题,本发明添加的六甲基磷酰三胺、石英粉、硅灰石纤维和尿素混合在一定条件下极大程度在促进了填料在pvc中的分散性、相容性等,也提高了其耐腐蚀性、耐老化性、阻燃性、高的机械强度和韧性,延长了耐腐蚀电力保护管的使用寿命。
具体实施方案
下面通过具体实例对本发明进行详细说明。
一种耐腐蚀的电力保护管,由下列重量份(公斤)的原料制成:聚氯乙烯130、氢氧化镁3、硬脂酸0.3、碳酸钙8、木质素磺酸钠0.4、纳米三氧化二锑1、油酸钠0.8、硅烷偶联剂kh5500.8、六甲基磷酰三胺0.7、石英粉1、硅灰石纤维2、防老剂40101、尿素2、水适量;
根据权利要求1所述一种耐腐蚀的电力保护管,其特征在于,由以下具体步骤制备制成:
(1)将氢氧化镁投入适量的水中,搅拌均匀呈悬浮液,升高温度至50°C,再将硬脂酸用2倍量的乙醇溶解,加到氢氧化镁悬浮液中,搅拌至反应完全,在加入木质素磺酸钠、纳米三氧化二锑混合搅拌均匀,喷雾干燥,过筛备用;
(2)将油酸钠加去离子水溶解制成1%的油酸钠水溶液,电动搅拌10min并升高温度至60°C,加入碳酸钙搅拌1.5h,搅拌完成后静置6h后抽滤,用去离子水洗涤,在烘箱中于80°C下烘干备用;
(3)将步骤(1)和步骤(2)制备的产物混合,再加入硅烷偶联剂kh550混合研磨均匀,再加入聚氯乙烯,升高温度至90°C,先低速搅拌均匀,在高速搅拌至110°C时出料备用;
(4)将其余剩余的物料加到搅拌机中混合搅拌均匀,加热至50°C,搅拌10min后备用;
(5)将步骤(3)制备的物料加到双螺杆式挤出机中,挤出机各段温度依次为170°C,180°C,180°C,180°C,170°C ,转速为60转/分钟,给料螺杆速度在20转/分钟,将步骤(4)得到的混合物在自然排气口加入,进行挤出、拉条、冷却、造粒,然后于真空干燥箱内80°C干燥3小时即可。
按照实施例制备的pvc电力保护管经测试性能如下:
本发明制备的改性pvc比未改性pvc的拉伸强度提高了36%,断裂伸长率提高了36%,冲击强度提高了50%,解决了脆性大,对缺口十分敏感,抗冲击性能差的问题,扩大了使用领域,延长了使用寿命等作用。
Claims (2)
1.一种耐腐蚀的电力保护管,其特征在于,由下列重量份的原料制成:聚氯乙烯100-130、氢氧化镁2-4、硬脂酸0.1-0.4、碳酸钙6-10、木质素磺酸钠0.2-0.5、纳米三氧化二锑1-2、油酸钠0.5-1、硅烷偶联剂kh5500.4-1、六甲基磷酰三胺0.5-0.8、石英粉1-2、硅灰石纤维2-3、防老剂40101-2、尿素2-3、水适量。
2.根据权利要求1所述一种耐腐蚀的电力保护管,其特征在于,由以下具体步骤制备制成:
(1)将氢氧化镁投入适量的水中,搅拌均匀呈悬浮液,升高温度至40-60°C,再将硬脂酸用2倍量的乙醇溶解,加到氢氧化镁悬浮液中,搅拌至反应完全,在加入木质素磺酸钠、纳米三氧化二锑混合搅拌均匀,喷雾干燥,过筛备用;
(2)将油酸钠加去离子水溶解制成1%的油酸钠水溶液,电动搅拌10min并升高温度至60°C,加入碳酸钙搅拌1.5h,搅拌完成后静置4-6h后抽滤,用去离子水洗涤,在烘箱中于80°C下烘干备用;
(3)将步骤(1)和步骤(2)制备的产物混合,再加入硅烷偶联剂kh550混合研磨均匀,再加入聚氯乙烯,升高温度至80-90°C,先低速搅拌均匀,在高速搅拌至110°C时出料备用;
(4)将其余剩余的物料加到搅拌机中混合搅拌均匀,加热至40-50°C,搅拌10-15min后备用;
(5)将步骤(3)制备的物料加到双螺杆式挤出机中,挤出机各段温度依次为170°C,180°C,180°C,180°C,170°C ,转速为50-60转/分钟,给料螺杆速度在20转/分钟,将步骤(4)得到的混合物在自然排气口加入,进行挤出、拉条、冷却、造粒,然后于真空干燥箱内70-80°C干燥2-3小时即可。
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CN105778358A (zh) * | 2016-05-18 | 2016-07-20 | 魏倩 | 一种应用于电力系统的绝缘材料及其制备方法 |
CN106967258A (zh) * | 2017-02-24 | 2017-07-21 | 佛山市宏尔塑胶制品有限公司 | 一种环保pvc膜及其制备方法 |
CN118307890A (zh) * | 2024-06-13 | 2024-07-09 | 珑翔橡胶(大连)有限公司 | 一种液流电池密封用三元乙丙橡胶及其制备方法 |
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CN101177512A (zh) * | 2006-11-06 | 2008-05-14 | 天津德昊超微新材料有限公司 | 聚氯乙烯绝缘电工套管专用料 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105778358A (zh) * | 2016-05-18 | 2016-07-20 | 魏倩 | 一种应用于电力系统的绝缘材料及其制备方法 |
CN106967258A (zh) * | 2017-02-24 | 2017-07-21 | 佛山市宏尔塑胶制品有限公司 | 一种环保pvc膜及其制备方法 |
CN118307890A (zh) * | 2024-06-13 | 2024-07-09 | 珑翔橡胶(大连)有限公司 | 一种液流电池密封用三元乙丙橡胶及其制备方法 |
CN118307890B (zh) * | 2024-06-13 | 2024-09-10 | 珑翔橡胶(大连)有限公司 | 一种液流电池密封用三元乙丙橡胶及其制备方法 |
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