CN103613820A - 一种电缆用阻水型发泡填充条及其制备方法 - Google Patents
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Abstract
本发明公开了一种电缆用阻水型发泡填充条及其制备方法,主要由下述组分及重量份的物料制成:交联聚乙烯:50~70份;乙烯醋酸乙烯:40~50份;高吸水树脂:10-20份;增塑剂:15~30份;炭黑:2~4份;发泡剂:1~2份;其制备方法是按以上配比经充分混合均匀,投入塑料挤出机经模具挤出阻水型发泡填充条。本发明生产的阻水型发泡填充条,具有良好的阻水性能、导热性能,减小填充料对电缆传输能力的影响,能够有效防止水沿填充空隙处入侵,有效防止电缆水树的产生,延长了电缆的使用寿命。
Description
技术领域
本发明涉及电线电缆领域,具体指一种电缆用阻水型发泡填充条及其制备方法。
背景技术
在电缆生产过程中,为保证电缆的圆整性,同时避免芯线之间的相互磨擦,需要在芯线之间添加填充材料,现有的阻水型电缆一般采用阻水纱进行填充,电缆外观圆整度不好,并且造价高;采用普通的填充条填充,填充条容易进水,无法达到阻水效果,影响阻水型电缆的正常使用。因此,阻水型发泡填充条的生产制造对于阻水型电缆显得尤为重要。上述不足仍有值得改进的地方。
发明内容
本发明所要解决的技术问题是针对现有技术的不足,提供一种电缆用阻水型发泡填充条,使电缆产品的外圆圆整度和平整度好,造价低,同时使电缆具有良好的阻水效果。
为了解决上述现有技术中存在的缺陷,本发明还提供一种电缆用阻水型发泡填充条及其制备方法,使其生产的电缆填充条具有良好的阻水性能、导热性能,减小填充料对电缆传输能力的影响,能够有效防止水沿填充空隙处入侵,防止电缆水树的产生,延长了电缆护套的使用寿命。
为了实现上述目的,本发明的所述的一种电缆用阻水型发泡填充条,它主要由下述组分及重量份的物料制成:
交联聚乙烯:50~70份;
乙烯醋酸乙烯:40~50份;
高吸水树脂:10~20份;
增塑剂:15~30份;
炭墨:2~4 份;
发泡剂:1~2 份。
所述的交联聚乙烯的料度为200目~300目。
所述的增塑剂为石蜡和白油以重量比为0.5~5:1的混合物。
以上所述的一种电缆阻水型发泡填充条的制备方法,其工艺步骤如下:
A、将交联聚乙烯、烯醋酸乙烯、高吸水树脂、增塑剂、炭墨、发泡剂按配比加入混合机中混合10~15 分钟,投入塑料挤塑机经模具挤出填充条。
B、将步聚A 中所得到的填充条经挤出机在120~200℃挤出并发泡成型;
C、再将步骤B中所成型的填充条经50℃左右的水冷却即可。
有益效果:本发明所述的一种电缆用阻水型发泡填充条及其制备方法,根据目前阻水型电缆的要求设计阻水型填充条,通过加入发泡剂产生发泡孔,使高吸水树脂在遇水的情况下,能够有溶胀的空间,使填充条具有纵向和径向阻水的效果,有效防止电缆水树的产生,保证电缆的安全运行。
具体实施方式
实施例1:
本发明所述的一种电缆用阻水型发泡填充条,它主要由下述组分及重量份的物料制成:
交联聚乙烯:50份;
乙烯醋酸乙烯:40份;
高吸水树脂:10份;
增塑剂:15份;
炭墨:2 份;
发泡剂:1 份。
所述的交联聚乙烯的料度为200目。
所述的增塑剂为石蜡和白油以重量比为0.5:1的混合合物。
一种电缆阻水型发泡填充条的制备方法,其工艺步骤如下:
A、将交联聚乙烯、烯醋酸乙烯、高吸水树脂、增塑剂、石墨、发泡剂按配比加入混合机中混合15 分钟,投入塑料挤塑机经模具挤出填充条。
B、将步聚A 所得的混合料经挤出机在120℃挤出并发泡成型。
C、成型的填充条经50℃左右的水冷却。
实施例2:
本发明所述的一种电缆用阻水型发泡填充条,它主要由下述组分及重量份的物料制成:
交联聚乙烯:60份;
乙烯醋酸乙烯:45份;
高吸水树脂:15份;
增塑剂:23份;
炭墨:3 份;
发泡剂:1.5 份。
所述的交联聚乙烯的料度为250目。
所述的增塑剂为石蜡和白油以重量比为3:1的混合合物。
一种电缆阻水型发泡填充条的制备方法,其工艺步骤如下:
A、将交联聚乙烯、烯醋酸乙烯、高吸水树脂、增塑剂、石墨、发泡剂按配比加入混合机中混合12 分钟,投入塑料挤塑机经模具挤出填充条。
B、将步聚A 所得的混合料经挤出机在160℃挤出并发泡成型。
C、成型的填充条经50℃左右的水冷却。
实施例3:
本发明所述的一种电缆用阻水型发泡填充条,它主要由下述组分及重量份的物料制成:
交联聚乙烯:70份;
乙烯醋酸乙烯:50份;
高吸水树脂:20份;
增塑剂:30份;
炭墨:4 份;
发泡剂:2 份。
所述的交联聚乙烯的料度为300目。
所述的增塑剂为石蜡和白油以重量比为5:1的混合合物。
一种电缆阻水型发泡填充条的制备方法,其工艺步骤如下:
A、将交联聚乙烯、烯醋酸乙烯、高吸水树脂、增塑剂、石墨、发泡剂按配比加入混合机中混合15 分钟,投入塑料挤塑机经模具挤出填充条。
B、将步聚A 所得的混合料经挤出机在200℃挤出并发泡成型。
C、成型的填充条经50℃左右的水冷却。
本发明提供了一种电缆用阻水型发泡填充条及其制备方法,具体实现该技术方案的方法和途径很多,以上所述仅是本发明的优选实施方式。
Claims (4)
1.一种电缆用阻水型发泡填充条,其特征在于,它主要由下述组分及重量份的物料制成:
交联聚乙烯:50~70份;
乙烯醋酸乙烯:40~50份;
高吸水树脂:10~20份;
增塑剂:15~30份;
炭墨:2~4 份;
发泡剂:1~2 份。
2.根据权利要求1 所述的电缆阻水型发泡填充条,其特征在于:所述的交联聚乙烯的料度为200目~300目。
3.根据权利要求1 所述的电缆阻水型发泡填充条,其特征在于:所述的增塑剂为石蜡和白油以重量比为0.5~5:1的混合物。
4.一种如权利要求1 -3所述的电缆阻水型发泡填充条的制备方法,其特征在于:其工艺步骤如下:
A、将交联聚乙烯、乙烯醋酸乙烯、高吸水树脂、增塑剂、炭墨、发泡剂按配比加入混合机中混合10~15 分钟,投入塑料挤塑机经模具挤出填充条;
B、将步聚A 中所得到的填充条经挤出机在120~200℃挤出并发泡成型;
C、再将步骤B中所成型的填充条经50℃左右的水冷却即可。
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106084375A (zh) * | 2016-06-12 | 2016-11-09 | 安徽双荣电器电缆有限公司 | 一种高压填充条聚乙烯 |
CN107663335A (zh) * | 2017-10-21 | 2018-02-06 | 芜湖缆胜电缆新材料有限公司 | 一种光缆用聚丙烯填充料及其制备方法 |
CN108017822A (zh) * | 2017-12-01 | 2018-05-11 | 安徽渡江电缆集团有限公司 | 一种电缆用填充材料 |
CN114940784A (zh) * | 2022-03-16 | 2022-08-26 | 重庆大学 | 一种阻水性电缆半导电屏蔽层材料及其制备方法 |
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CN101358004A (zh) * | 2007-07-31 | 2009-02-04 | 深圳市长园特种塑胶发泡材料有限公司 | Ixpe电子辐射交联聚乙烯导电泡棉及其制备方法 |
CN101887774A (zh) * | 2010-06-29 | 2010-11-17 | 河南省电力公司济源供电公司 | 一种电缆填充条及制备方法 |
CN102417654A (zh) * | 2011-11-30 | 2012-04-18 | 深圳市长园特发科技有限公司 | 一种辐射交联聚烯烃高弹泡棉及其制备方法 |
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Patent Citations (3)
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CN101358004A (zh) * | 2007-07-31 | 2009-02-04 | 深圳市长园特种塑胶发泡材料有限公司 | Ixpe电子辐射交联聚乙烯导电泡棉及其制备方法 |
CN101887774A (zh) * | 2010-06-29 | 2010-11-17 | 河南省电力公司济源供电公司 | 一种电缆填充条及制备方法 |
CN102417654A (zh) * | 2011-11-30 | 2012-04-18 | 深圳市长园特发科技有限公司 | 一种辐射交联聚烯烃高弹泡棉及其制备方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106084375A (zh) * | 2016-06-12 | 2016-11-09 | 安徽双荣电器电缆有限公司 | 一种高压填充条聚乙烯 |
CN107663335A (zh) * | 2017-10-21 | 2018-02-06 | 芜湖缆胜电缆新材料有限公司 | 一种光缆用聚丙烯填充料及其制备方法 |
CN108017822A (zh) * | 2017-12-01 | 2018-05-11 | 安徽渡江电缆集团有限公司 | 一种电缆用填充材料 |
CN114940784A (zh) * | 2022-03-16 | 2022-08-26 | 重庆大学 | 一种阻水性电缆半导电屏蔽层材料及其制备方法 |
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