CN108708171A - 光电缆用阻水纱表面处理新工艺 - Google Patents
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Abstract
本发明提供一种光电缆用阻水纱表面处理新工艺,所述新工艺包括以下步骤:(1)将自制的水溶性胶粘剂、高活性复合铝铵盐、酒精、渗透剂、氮丙啶化合物和去离子水按一定比例混合得到表面处理液;(2)将上述(1)中得到的表面处理液通过上胶辊在普通阻水纱表面涂履均匀,之后将涂履表面处理液的阻水纱再经烘箱高温烘干,阻水纱在烘干过程中进行二次交联,得到光电缆用阻水纱;本发明通过对普通阻水纱表面进行二次交联处理,有效改善了阻水纱表面吸潮发粘、掉粉等不良现象,同时大幅提高了阻水纱吸水后的凝胶强度提高了阻水纱在光缆中的阻水效果。
Description
技术领域
本发明涉及电线电缆基本元件领域,具体涉及光电缆用阻水纱表面处理新工艺。
背景技术
在电线电缆的铺设和运行过程中,当有机械应力对电线电缆造成损坏时,周围环境中的水分会渗入电线电缆中,造成通信电缆信号传输的中断,也会使电缆形成水树导致水树击穿,造成重大的停电事故。为了解决上述问题,现在多采用阻水粉涂复于聚酯等合成纤维上,制成阻水纱。从而当水气侵入时,可快速吸水、膨胀形成凝胶,阻塞所有可能存在的渗水通道,从而提供完全可靠的密封防水性能。
目前广泛使用的阻水纱普遍存在使用过程中容易吸潮发粘、掉粉等不良现象,生产使用过程中对环境要求比较高,特别是环境湿度的控制(环境湿度的控制能耗比较高)。随着光缆成型速度(目前光缆成型速度普遍在100米/分钟以上)及环保要求的不断提高,上述缺陷更加明显,使用过程中经常会出现因掉粉而引起的断缆等重大质量事故,影响了生产效率和生产成本。同时普通阻水纱一般都是一次交联而成,吸水后凝胶强度比较低保水性较差,直接影响了光缆的阻水性能,附着环保要求的不断提高和全干式光缆的不断推广,对阻水纱凝胶强度的要求也在不断提高,普通阻水纱已经不能满足大孔径干式光缆套管的阻水要求。
发明内容
本发明的目的在于克服现有技术存在的以上问题,提供一种光电缆用阻水纱表面处理新工艺,通过对普通阻水纱表面进行二次交联处理,有效改善了阻水纱表面吸潮发粘、掉粉等不良现象,同时大幅提高了阻水纱吸水后的凝胶强度提高了阻水纱在光缆中的阻水效果。
为实现上述技术目的,达到上述技术效果,本发明通过以下技术方案实现:
光电缆用阻水纱表面处理新工艺,所述新工艺包括以下步骤:
(1)将自制的水溶性胶粘剂、高活性复合铝铵盐、酒精、渗透剂、氮丙啶化合物和去离子水按一定比例混合得到表面处理液;
(2)将上述(1)中得到的表面处理液通过上胶辊在普通阻水纱表面涂履均匀,之后将涂履表面处理液的阻水纱再经烘箱高温烘干,阻水纱在烘干过程中进行二次交联,得到光电缆用阻水纱。
作为本方案的进一步优化,所述步骤(1)中表面处理液由以下原料按重量份数配比而成:自制的水溶性胶粘剂100份、高活性复合铝铵盐20-30份、酒精30-40份、渗透剂3-5份、氮丙啶化合物1-3份和去离子水300-500份。
作为本方案的进一步优化,所述自制的水溶性胶粘剂由以下原料按重量份数配比而成:丙烯酸100份、氢氧化钠25-30份、丙烯酸羟乙酯5-10份、甲基丙烯酸羟乙酯5-10份、丙烯酸丁酯2-5份、过硫酸钾0.5-1份、亚硫酸氢钠0.5-1份、去离子水800-1000份混合后,在35-40℃温度下聚合3小时,再在80℃下聚合2小时,制得水溶性胶粘剂。
作为本方案的进一步优化,所述阻水纱经烘箱烘干,所述烘箱温度在150-160℃之间。
本发明的有益效果是:
本发明工艺过程简单、操作方便,可以有效的提高工作效率,降低人力物力,且通过本发明生产出的阻水纱不会出现表秒吸潮发粘、掉粉的现象,同时大幅提高了阻水纱吸水后的凝胶强度提高了阻水纱在光缆中的阻水效果,有较好的市场前景、适宜推广。
附图说明
以下结合附图进一步说明本发明:
图1为本发明工艺流程图;
图中:1、放卷装置,2. 下表面上胶辊,3、上表面上胶辊,4、烘箱,5、收卷装置,6、阻水纱。
具体实施方式
本说明书中公开的所有特征,或公开的所有方法或过程中的步骤,除了互相排斥的特征和/或步骤以外,均可以以任何方式组合。
本说明书(包括任何附加权利要求、摘要)中公开的任一特征,除非特别叙述,均可被其他等效或具有类似目的的替代特征加以替换。即,除非特别叙述,每个特征只是一系列等效或类似特征中的一个例子而已。
实施例1
光电缆用阻水纱表面处理新工艺,所述新工艺包括以下步骤:
(1)将自制的水溶性胶粘剂100份、高活性复合铝铵盐20份、酒精30份、渗透剂3份、氮丙啶化合物1份和去离子水300份;
(2)将上述(1)中得到的表面处理液通过上胶辊在普通阻水纱表面涂履均匀,之后将涂履表面处理液的阻水纱再经烘箱高温烘干,温度在150-160℃,阻水纱在烘干过程中进行二次交联,得到光电缆用阻水纱。
实施例2
光电缆用阻水纱表面处理新工艺,所述新工艺包括以下步骤:
(1)将自制的水溶性胶粘剂100份、高活性复合铝铵盐30份、酒精40份、渗透剂5份、氮丙啶化合物3份和去离子水500份;
(2)将上述(1)中得到的表面处理液通过上胶辊在普通阻水纱表面涂履均匀,之后将涂履表面处理液的阻水纱再经烘箱高温烘干,温度在150-160℃,阻水纱在烘干过程中进行二次交联,得到光电缆用阻水纱。
实施例3
光电缆用阻水纱表面处理新工艺,所述新工艺包括以下步骤:
(1)将自制的水溶性胶粘剂100份、高活性复合铝铵盐25份、酒精35份、渗透剂4份、氮丙啶化合物2份和去离子水400份;
(2)将上述(1)中得到的表面处理液通过上胶辊在普通阻水纱表面涂履均匀,之后将涂履表面处理液的阻水纱再经烘箱高温烘干,温度在150-160℃,阻水纱在烘干过程中进行二次交联,得到光电缆用阻水纱。
实施例1至实施例3中,其中自制的水溶性胶粘剂以下原料按重量份数配比而成:丙烯酸100份、氢氧化钠25-30份、丙烯酸羟乙酯5-10份、甲基丙烯酸羟乙酯5-10份、丙烯酸丁酯2-5份、过硫酸钾0.5-1份、亚硫酸氢钠0.5-1份、去离子水800-1000份混合后,在35-40℃温度下聚合3小时,再在80℃下聚合2小时,制得水溶性胶粘剂。
工作过程:如图1所示,本发明工作时,首先通过放卷装置1把未处理过的阻水纱6通过上表面上胶辊3和下表面上胶辊2对阻水纱表面进行涂辊表面处理液,且阻水纱表面涂履表面处理液量的多少由阻水纱的牵引速度和上胶辊的速度配比进行调节;之后将涂履表面处理液的阻水纱再经烘箱4高温烘干,阻水纱在烘干过程中进行二次交联,得到光电缆用阻水纱,之后通过收卷装置5收集。
本发明工艺过程简单、操作方便,可以有效的提高工作效率,降低人力物力,且通过本发明生产出的阻水纱不会出现表秒吸潮发粘、掉粉的现象,同时大幅提高了阻水纱吸水后的凝胶强度提高了阻水纱在光缆中的阻水效果,有较好的市场前景、适宜推广。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (4)
1.光电缆用阻水纱表面处理新工艺,其特征在于,所述新工艺包括以下步骤:
(1)将自制的水溶性胶粘剂、高活性复合铝铵盐、酒精、渗透剂、氮丙啶化合物和去离子水按一定比例混合得到表面处理液;
(2)将上述(1)中得到的表面处理液通过上胶辊在普通阻水纱表面涂履均匀,之后将涂履表面处理液的阻水纱再经烘箱高温烘干,阻水纱在烘干过程中进行二次交联,得到光电缆用阻水纱。
2.根据权利要求1所述的光电缆用阻水纱表面处理新工艺,其特征在于,所述步骤(1)中表面处理液由以下原料按重量份数配比而成:自制的水溶性胶粘剂100份、高活性复合铝铵盐20-30份、酒精30-40份、渗透剂3-5份、氮丙啶化合物1-3份和去离子水300-500份。
3.根据权利要请求2所述的光电缆用阻水纱表面处理新工艺,其特征在于,所述自制的水溶性胶粘剂由以下原料按重量份数配比而成:丙烯酸100份、氢氧化钠25-30份、丙烯酸羟乙酯5-10份、甲基丙烯酸羟乙酯5-10份、丙烯酸丁酯2-5份、过硫酸钾0.5-1份、亚硫酸氢钠0.5-1份、去离子水800-1000份混合后,在35-40℃温度下聚合3小时,再在80℃下聚合2小时,制得水溶性胶粘剂。
4.根据权利要求1所述的光电缆用阻水纱表面处理新工艺,其特征在于,所述阻水纱经烘箱烘干,所述烘箱温度在150-160℃之间。
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