CN106548825A - 一种玻璃纤维耐高温电缆及其制备方法 - Google Patents

一种玻璃纤维耐高温电缆及其制备方法 Download PDF

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CN106548825A
CN106548825A CN201611121424.9A CN201611121424A CN106548825A CN 106548825 A CN106548825 A CN 106548825A CN 201611121424 A CN201611121424 A CN 201611121424A CN 106548825 A CN106548825 A CN 106548825A
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Abstract

本发明提供一种玻璃纤维耐高温电缆及其制备方法,所述电缆包括玻璃纤维芯体和包裹玻璃纤维芯体外周的护套,所述玻璃纤维芯体由若干束玻璃纤维材料和铜丝铰合而成,所述护套包括围绕包裹在玻璃纤维芯体外周的绝缘层和围绕包裹在所述绝缘层外周的耐磨层,所述的耐磨层由聚酰胺树脂、玻璃纤维和其它助剂和填料组成。

Description

一种玻璃纤维耐高温电缆及其制备方法
技术领域
本发明属于电缆技术领域,具体涉及一种玻璃纤维耐高温电缆及其制备方法。
背景技术
现有技术中的电缆多仅采用金属材料作为线芯,这种电缆的抗拉强度低、重量大、长期耐高温能力低、使用寿命有限,随着科技材料技术的不断进步,人们开发出了各种不同的复合电缆,从根本上说,电缆的耐高温、耐磨、阻燃、绝缘等性能均由导体外的其他电缆料决定,本发明提供了一种耐高温电缆及其制备方法。
发明内容
针对现有技术存在的上述不足,本发明要提供一种玻璃纤维耐高温电缆及其制备方法。
一种玻璃纤维耐高温电缆,所述电缆包括玻璃纤维芯体和包裹玻璃纤维芯体外周的护套,所述玻璃纤维芯体由若干束玻璃纤维材料和铜丝铰合而成,所述护套包括围绕包裹在玻璃纤维芯体外周的绝缘层和围绕包裹在所述绝缘层外周的耐磨层。
优选的,所述的耐磨层由聚酰胺树脂、玻璃纤维和其它助剂和填料组成。
优选的,所述的填料包括:增塑剂、稀土稳定剂、抗氧剂、硬脂酸、高岭土和二氧化硅。
优选的,所述的耐磨层包括以下重量百分比的成分:增塑剂 1-3%、稀土稳定剂 1-2%、抗氧剂 2-5%、硬脂酸 1-3%、高岭土 6-10%、二氧化硅 8-15%、聚酰胺树脂 30-40%、玻璃纤维 余量。
一种玻璃纤维耐高温电缆的制备方法,包括如下步骤:
A、按配方依次称取各原料,先将称取的聚酰胺树脂和增塑剂加入高速搅拌机中,400-500rpm搅拌15-25min,并加热至80-90℃,再向树脂中加入稀土稳定剂和抗氧剂,继续搅拌10-15min,然后加入其余原料,调节温度至110-120℃,搅拌物料至干粉状,用双螺杆进行挤塑混炼,然后进入单螺杆挤塑机造粒,制得树脂材料;
B、将若干束玻璃纤维材料和铜丝铰合而成玻璃纤维芯体;
C、在玻璃纤维芯体外侧包裹一层PVC绝缘层;
D、在步骤A中的树脂材料中加入玻璃纤维,并制成耐磨层包裹在绝缘层外侧。
优选的,所述的步骤B中,将若干束玻璃纤维材料和铜丝铰合时,加入少量的粘合剂。使用粘合剂可以增强铰合效果,从而提升电缆的耐高温性能。
相比现有技术,本发明具有如下有益效果:
1、本发明的耐高温电缆,内部将铜丝与玻璃纤维铰合,外侧的耐磨护套也添加玻璃纤维,制成的电缆在300℃以上的高温下也不会融化破坏,耐高温能力强。
2、将若干束玻璃纤维材料和铜丝铰合时,加入少量的粘合剂增强铰合效果,从而提升电缆的耐高温性能。
3、为了提高电缆的耐磨、耐高温和绝缘性能,不但添加了PVC绝缘层,而且还特制了耐磨层,耐磨层的主要原料为聚酰胺树脂,经过与其他填料的联合作用,具有非常好的耐磨及耐高温效果。
具体实施方式
下面结合具体实施例对本发明作进一步详细说明。本实施案例在以本发明技术为前提下进行实施,现给出详细的实施方式和具体的操作过程来说明本发明具有创造性,但本发明的保护范围不限于以下的实施例。
实施例1
一种玻璃纤维耐高温电缆,所述电缆包括玻璃纤维芯体和包裹玻璃纤维芯体外周的护套,所述玻璃纤维芯体由若干束玻璃纤维材料和铜丝铰合而成,所述护套包括围绕包裹在玻璃纤维芯体外周的绝缘层和围绕包裹在所述绝缘层外周的耐磨层。
所述的耐磨层包括以下重量百分比的成分:增塑剂 2%、稀土稳定剂 1.5%、抗氧剂3.5%、硬脂酸 2%、高岭土 7%、二氧化硅 12%、聚酰胺树脂 35%、玻璃纤维 余量。
一种玻璃纤维耐高温电缆的制备方法,包括如下步骤:
A、按配方依次称取各原料,先将称取的聚酰胺树脂和增塑剂加入高速搅拌机中,450rpm搅拌22min,并加热至85℃,再向树脂中加入稀土稳定剂和抗氧剂,继续搅拌12min,然后加入其余原料,调节温度至115℃,搅拌物料至干粉状,用双螺杆进行挤塑混炼,然后进入单螺杆挤塑机造粒,制得树脂材料;
B、加入少量的粘合剂,将若干束玻璃纤维材料和铜丝铰合而成玻璃纤维芯体;
C、在玻璃纤维芯体外侧包裹一层PVC绝缘层;
D、在步骤A中的树脂材料中加入玻璃纤维,并制成耐磨层包裹在绝缘层外侧。
实施例2
一种玻璃纤维耐高温电缆,所述电缆包括玻璃纤维芯体和包裹玻璃纤维芯体外周的护套,所述玻璃纤维芯体由若干束玻璃纤维材料和铜丝铰合而成,所述护套包括围绕包裹在玻璃纤维芯体外周的绝缘层和围绕包裹在所述绝缘层外周的耐磨层。
所述的耐磨层包括以下重量百分比的成分:增塑剂 3%、稀土稳定剂 1%、抗氧剂5%、硬脂酸 1%、高岭土 10%、二氧化硅 8%、聚酰胺树脂 40%、玻璃纤维 余量。
一种玻璃纤维耐高温电缆的制备方法,包括如下步骤:
A、按配方依次称取各原料,先将称取的聚酰胺树脂和增塑剂加入高速搅拌机中,400rpm搅拌25min,并加热至80℃,再向树脂中加入稀土稳定剂和抗氧剂,继续搅拌15min,然后加入其余原料,调节温度至110℃,搅拌物料至干粉状,用双螺杆进行挤塑混炼,然后进入单螺杆挤塑机造粒,制得树脂材料;
B、加入少量的粘合剂,将若干束玻璃纤维材料和铜丝铰合而成玻璃纤维芯体;
C、在玻璃纤维芯体外侧包裹一层PVC绝缘层;
D、在步骤A中的树脂材料中加入玻璃纤维,并制成耐磨层包裹在绝缘层外侧。
实施例3
一种玻璃纤维耐高温电缆,所述电缆包括玻璃纤维芯体和包裹玻璃纤维芯体外周的护套,所述玻璃纤维芯体由若干束玻璃纤维材料和铜丝铰合而成,所述护套包括围绕包裹在玻璃纤维芯体外周的绝缘层和围绕包裹在所述绝缘层外周的耐磨层。
所述的耐磨层包括以下重量百分比的成分:增塑剂 1%、稀土稳定剂 2%、抗氧剂2%、硬脂酸 3%、高岭土 6%、二氧化硅 15%、聚酰胺树脂 30%、玻璃纤维 余量。
一种玻璃纤维耐高温电缆的制备方法,包括如下步骤:
A、按配方依次称取各原料,先将称取的聚酰胺树脂和增塑剂加入高速搅拌机中,500rpm搅拌15min,并加热至90℃,再向树脂中加入稀土稳定剂和抗氧剂,继续搅拌10min,然后加入其余原料,调节温度至120℃,搅拌物料至干粉状,用双螺杆进行挤塑混炼,然后进入单螺杆挤塑机造粒,制得树脂材料;
B、加入少量的粘合剂,将若干束玻璃纤维材料和铜丝铰合而成玻璃纤维芯体;
C、在玻璃纤维芯体外侧包裹一层PVC绝缘层;
D、在步骤A中的树脂材料中加入玻璃纤维,并制成耐磨层包裹在绝缘层外侧。
经检测,本发明实施例1-3的玻璃纤维耐高温电缆在350℃下长期工作也不会发生电缆断裂或者起火,耐高温性能良好。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。

Claims (6)

1.一种玻璃纤维耐高温电缆,其特征在于,所述电缆包括玻璃纤维芯体和包裹玻璃纤维芯体外周的护套,所述玻璃纤维芯体由若干束玻璃纤维材料和铜丝铰合而成,所述护套包括围绕包裹在玻璃纤维芯体外周的绝缘层和围绕包裹在所述绝缘层外周的耐磨层。
2.如权利要求1所述的玻璃纤维耐高温电缆,其特征在于,所述的耐磨层由聚酰胺树脂、玻璃纤维和其它助剂和填料组成。
3.如权利要求2所述的玻璃纤维耐高温电缆,其特征在于,所述的填料包括:增塑剂、稀土稳定剂、抗氧剂、硬脂酸、高岭土和二氧化硅。
4.如权利要求3所述的玻璃纤维耐高温电缆,其特征在于,所述的耐磨层包括以下重量百分比的成分:增塑剂 1-3%、稀土稳定剂 1-2%、抗氧剂 2-5%、硬脂酸 1-3%、高岭土 6-10%、二氧化硅 8-15%、聚酰胺树脂 30-40%、玻璃纤维 余量。
5.一种玻璃纤维耐高温电缆的制备方法,其特征在于,包括如下步骤:
A、按配方依次称取各原料,先将称取的聚酰胺树脂和增塑剂加入高速搅拌机中,400-500rpm搅拌15-25min,并加热至80-90℃,再向树脂中加入稀土稳定剂和抗氧剂,继续搅拌10-15min,然后加入其余原料,调节温度至110-120℃,搅拌物料至干粉状,用双螺杆进行挤塑混炼,然后进入单螺杆挤塑机造粒,制得树脂材料;
B、将若干束玻璃纤维材料和铜丝铰合而成玻璃纤维芯体;
C、在玻璃纤维芯体外侧包裹一层PVC绝缘层;
D、在步骤A中的树脂材料中加入玻璃纤维,并制成耐磨层包裹在绝缘层外侧。
6.根据权利要求5所述玻璃纤维耐高温电缆的制备方法,其特征在于,所述的步骤B中,将若干束玻璃纤维材料和铜丝铰合时,加入少量的粘合剂。
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