CN1767291A - 一种环保型电力电缆塑料保护管 - Google Patents

一种环保型电力电缆塑料保护管 Download PDF

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CN1767291A
CN1767291A CN 200510028278 CN200510028278A CN1767291A CN 1767291 A CN1767291 A CN 1767291A CN 200510028278 CN200510028278 CN 200510028278 CN 200510028278 A CN200510028278 A CN 200510028278A CN 1767291 A CN1767291 A CN 1767291A
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polyvinyl chloride
power cable
friendly type
type power
environment
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CN100416958C (zh
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陈东浩
张刚强
陈伟信
秦斌
姚玮峻
俞来意
张宇
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Shanghai Dianwu Asset Management Co ltd
Shanghai Hengnengtai Enterprise Management Co ltd
Shanghai Zhuorun Asset Management Co ltd
State Grid Shanghai Electric Power Co Ltd
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SHANGHAI POWER LINE APPLIANCES CO Ltd
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Abstract

本发明公开了一种环保型电力电缆塑料保护管。它包含氯化聚氯乙烯、聚氯乙烯、甲基丙烯酸—丁二烯—苯乙烯三元共聚树脂、重质碳酸钙等成份，由粉状原料混合挤出而成，由于配方中加有无毒无害的复合钙锌稳定剂、硬脂酸、氯化聚乙烯、环氧大豆油、石蜡及白油等添加剂和高分子化合物，使得本发明具有无重金属特别是无危害生活饮用水卫生安全的重金属析出，对生产、安装人员以及土壤不增加重金属的污染影响，从而符合城乡电力发展、电网改造和架空线入地的环保要求。

Description

一种环保型电力电缆塑料保护管
所属技术领域
本发明涉及电力电缆技术，特别是涉及电力电缆的塑料保护管。
背景技术
电力发展、电网改造需要使用大量电缆，但可以发现，至今使用最多的电缆保护管是含重金属稳定剂制成的塑料保护管，如专利号为ZL95111671.1的电力电缆塑料保护管。该类保护管埋于土壤中长期受地下水浸润，其中的重金属会有析出，使附近土壤的重金属含量远远超过标准值，从而对环境造成污染。
发明内容
本发明的目的是提供一种环保型电力电缆塑料保护管，它处于地埋条件下无重金属特别是无危害生活饮用水卫生安全的重金属析出，对生产、安装人员及土壤不增加重金属污染。
本发明是通过以下技术方案实现的：一种环保型电力电缆塑料保护管，包含有氯化聚氯乙烯、聚氯乙烯、甲基丙烯酸-丁二烯-苯乙烯三元共聚树脂、重质碳酸钙，由粉状原料混合挤出而成，其特征在于配方中还加有无毒无害的复合钙锌稳定剂、硬脂酸、氯化聚乙烯、环氧大豆油、石蜡及白油，各成份的含量为：
氯化聚氯乙烯        51.0PHR(份数)
聚氯乙烯            49.0
复合钙锌稳定剂      4.0
环氧大豆油                            0.2
甲基丙烯酸-丁二烯-苯乙烯三元共聚树脂  5.0
硬脂酸                                0.4
重质碳酸钙                            5.0
氯化聚乙烯                            3.0
白油                                  0.3
石蜡                                  0.2
本发明的加工方法是将粉状原料配方混合后进入捏和锅加热至≤110℃，然后即进入冷捏和锅拌和，随后过筛，进入双螺杆挤出机挤出成型。
本发明由于在配方中加入了复合钙锌稳定剂、硬脂酸、氯化聚乙烯、环氧大豆油、石蜡及白油等添加剂和高分子化合物，摒弃了如专利号为ZL95111671.1的电力电缆塑料保护管中使用的含铅、锡及其它重金属的复合稳定剂，使本发明提供的电力电缆塑料保护管具有无重金属特别是无危害生活饮用水卫生安全的重金属的污染、维卡软化点仍≥93℃、耐热、耐高压、机械性能达到行业标准的优点，符合城乡电力发展、电网改造和架空线入地的环保要求。
附图说明
图1是本发明的结构示意图。
具体实施方式
以下结合附图及实施例对本发明作进一步说明。
图1中，本实施例的壁厚为8.00 +0.3毫米，密度为1490~1650kg/m3，体积电阻≥1.0×1013Ω·cm，内壁摩擦系数≤0.35。本实施例的加工工艺是将粉状原料配方混合后加热至≤110℃，时间约3分钟，然后即进入体积大一倍以上的冷捏和锅拌和，冷拌时间约2~3分钟，过筛后，再送入双螺杆挤出机挤出成型。套管如需扩口，应马上在扩口机上扩口成型。

Claims (1)

1.一种环保型电力电缆塑料保护管，包含有氯化聚氯乙烯、聚氯乙烯、甲基丙烯酸-丁二烯-苯乙烯三元共聚树脂、重质碳酸钙，由粉状原料混合挤出而成，其特征在于配方中还加有无毒无害的复合钙锌稳定剂、硬脂酸、氯化聚乙烯、环氧大豆油、石蜡及白油，各成份的含量为：
氯化聚氯乙烯                                51.0  PHR(份数)
聚氯乙烯                                    49.0
复合钙锌稳定剂                              4.0
环氧大豆油                                  0.2
甲基丙烯酸-丁二烯-苯乙烯三元共聚树脂        5.0
硬脂酸                                      0.4
重质碳酸钙                                  5.0
氯化聚乙烯                                  3.0
白油                                        0.3
石蜡                                        0.2。
CNB2005100282780A 2005-07-29 2005-07-29 一种电力电缆塑料保护管 Active CN100416958C (zh)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101289563B (zh) * 2008-06-24 2010-07-14 四川川东电缆有限责任公司 氯化聚乙烯阻燃护套料组合物
CN102492240A (zh) * 2011-12-05 2012-06-13 苏州亨利通信材料有限公司 一种数据传输电缆用护套料
CN102604289A (zh) * 2012-02-27 2012-07-25 成都易信达科技有限公司 一种cpvc电缆导线管
CN103122107A (zh) * 2011-11-21 2013-05-29 中国科学院化学研究所 一种用作聚氯乙烯树脂的环保型增塑剂的组合物
CN104073015A (zh) * 2014-06-30 2014-10-01 贵州联昌管业科技有限公司 一种埋地式管道管材及其生产方法
CN107033506A (zh) * 2017-04-18 2017-08-11 吴江佳通光缆有限公司 Cpvc电缆导管
CN107090149A (zh) * 2017-06-28 2017-08-25 合肥市闵葵电力工程有限公司 一种高强度的电缆保护管及其制备方法
CN107163360A (zh) * 2017-07-20 2017-09-15 合肥安力电力工程有限公司 一种高强度电力电缆保护管及其制备方法
CN110819045A (zh) * 2019-11-24 2020-02-21 苏州国宇碳纤维科技有限公司 一种cpvc保护管的配方及cpvc保护管的制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6040248B2 (ja) * 1980-02-20 1985-09-10 積水化学工業株式会社 地中線用ケ−ブル防護管
US4670494A (en) * 1985-07-30 1987-06-02 Gary Chemical Corp. Flame retardant low smoke poly(vinyl chloride) thermoplastic composition
US5603998A (en) * 1994-09-28 1997-02-18 The B.F. Goodrich Company CPVC compounds and articles made therefrom for design stress rating above 180° C.
CN1081382C (zh) * 1995-06-26 2002-03-20 上海汤臣塑胶实业有限公司 电力电缆塑料护套管
CN1302485C (zh) * 2003-12-15 2007-02-28 上海加晟管材有限公司 环保型电力电缆塑料保护套管

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101289563B (zh) * 2008-06-24 2010-07-14 四川川东电缆有限责任公司 氯化聚乙烯阻燃护套料组合物
CN103122107A (zh) * 2011-11-21 2013-05-29 中国科学院化学研究所 一种用作聚氯乙烯树脂的环保型增塑剂的组合物
CN102492240A (zh) * 2011-12-05 2012-06-13 苏州亨利通信材料有限公司 一种数据传输电缆用护套料
CN102604289A (zh) * 2012-02-27 2012-07-25 成都易信达科技有限公司 一种cpvc电缆导线管
CN102604289B (zh) * 2012-02-27 2014-04-16 成都易信达科技有限公司 一种cpvc电缆导线管
CN104073015A (zh) * 2014-06-30 2014-10-01 贵州联昌管业科技有限公司 一种埋地式管道管材及其生产方法
CN107033506A (zh) * 2017-04-18 2017-08-11 吴江佳通光缆有限公司 Cpvc电缆导管
CN107090149A (zh) * 2017-06-28 2017-08-25 合肥市闵葵电力工程有限公司 一种高强度的电缆保护管及其制备方法
CN107163360A (zh) * 2017-07-20 2017-09-15 合肥安力电力工程有限公司 一种高强度电力电缆保护管及其制备方法
CN110819045A (zh) * 2019-11-24 2020-02-21 苏州国宇碳纤维科技有限公司 一种cpvc保护管的配方及cpvc保护管的制备方法

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