CN107956122A - 一种光电缆用阻水纱的制备方法 - Google Patents

一种光电缆用阻水纱的制备方法 Download PDF

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CN107956122A
CN107956122A CN201711259833.XA CN201711259833A CN107956122A CN 107956122 A CN107956122 A CN 107956122A CN 201711259833 A CN201711259833 A CN 201711259833A CN 107956122 A CN107956122 A CN 107956122A
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马小强
张龙
何方容
潘婷
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Zhangjiagang Free Trade Zone Hung Zhuo Optoelectronic Mstar Technology Ltd
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Abstract

本发明公开了一种光电缆用阻水纱的制备方法,包括以下步骤:(1)将丙烯酸、碱金属氢氧化物、丙烯酸酯、海藻酸钠、交联剂、过硫酸钾‑亚硫酸氢钠、表面交联处理剂、抗静电剂、分散剂和去离子水混合搅拌制得阻水胶液;(2)将聚酯纱浸入步骤(1)所得的阻水胶液中10sec,在120~170℃干燥条件下固化,成型速度为35~40m/min,得到光电缆用阻水纱。本发明制得的光电缆用阻水纱具有掉粉现象大大减少、结构性能稳定,吸水倍率高、热稳定性好,有良好的填充效果的优点。

Description

一种光电缆用阻水纱的制备方法
技术领域
本发明涉及电力电缆领域,尤其涉及一种光电缆用阻水纱的制备方法。
背景技术
光缆在敷设和运行中,导致光缆传输功能下降的重要因数之一是光纤的氢致损耗。氢致损耗是由于水在光纤扩散造成的,水既能引起光纤的衰减增加,又能通过渗透腐蚀导致光纤断裂,在潮湿条件下,给通信系统带来潜在的危险甚至造成业务中断。因此为防止光纤在运行过程中损耗增加,必须确保光缆的阻水性能。目前大多数国家都采用阻水带材来代替阻水油膏,但仍不能满足电线电缆和光缆的纵向阻水要求。目前已有一种通信电缆用的阻水纱,它是一种由吸水纤维和涤纶纤维混纺,经梳条、整理而成。由于耐温性不理想,而且抗拉强度较低,树脂在纤维上结合力不强,易游离,不能很好地适应于挤塑成型过程的高温及工艺要求,而且价格昂贵。
发明内容
本发明要解决的技术问题是克服现有技术的不足,提供一种掉粉现象大大减少、结构性能稳定,吸水倍率高、热稳定性好,有良好的填充效果的光电缆用阻水纱的制备方法。
为解决上述技术问题,本发明采用以下技术方案:
一种光电缆用阻水纱的制备方法,包括以下步骤:
(1)将丙烯酸、碱金属氢氧化物、丙烯酸酯、海藻酸钠、交联剂、过硫酸钾-亚硫酸氢钠、表面交联处理剂、抗静电剂、分散剂和去离子水混合搅拌制得阻水胶液;
(2)将聚酯纱浸入步骤(1)所得的阻水胶液中10sec,在120~170℃干燥条件下固化,成型速度为35~40m/min,得到光电缆用阻水纱。
优选地,所述阻水胶液中各原料的配比为:丙烯酸100份、碱金属氢氧化物60~70份、丙烯酸酯16~20份、海藻酸钠5-12份、交联剂0.8~1.2份、抗静电剂1份、分散剂1份、过硫酸钾-亚硫酸氢钠0.3~0.6份、表面交联处理剂1.5-3.5份、去离子水300~350份。
优选地,所述丙烯酸酯为甲基丙烯酸乙酯或丙烯酸甲酯。
优选地,所述交联剂为N,N-亚甲基双丙烯酰胺或N-羟甲基丙烯酰胺。
优选地,所述抗静电剂为弱阳离子表面活性剂。
优选地,所述弱阳离子表面活性剂包括月桂酰胺丙基三甲基铵、三羟乙基甲基季铵硫酸甲酯盐、N,N-十六烷基乙基吗啉硫酸乙酯盐。
优选地,所述分散剂为非离子型表面活性剂。
优选地,所述非离子型表面活性剂为span20、span 40、乙烯基双硬脂酰胺中的一种。
优选地,所述表面交联处理剂为聚乙二醇、二甘醇、乙二醇或乙二醇缩水甘油醚。
优选地,所述碱金属氢氧化物为氢氧化钠或氢氧化钾。
与现有技术相比,本发明的优点在于:
本发明方法制得的光电缆用阻水纱采用丙烯酸盐与丙烯酸酯共聚、且对阻水纱用吸水树脂成份创新设计和生产工艺的改进,提高了阻水纱的综合性能,改善了阻水粉与聚酯纱的粘接强度和阻水纱表面的耐摩擦性,大幅度减少了掉粉现象,改善了工作环境,减少了环境污染,阻水纱结构性能稳定,吸水倍率高,遇水能够迅速膨胀,热稳定性好,有良好的填充效果,其吸水能力也不会因环境高温而改变。
具体实施方式
以下结合具体优选的实施例对本发明作进一步描述,但并不因此而限制本发明的保护范围。
实施例1:
一种光电缆用阻水纱的制备方法,包括以下步骤:
(1)按如下重量份配比配制阻水胶液:丙烯酸100份、氢氧化钠60份、甲基丙烯酸乙酯16份、海藻酸钠6份、交联剂N,N-亚甲基双丙烯酰胺0.8份、抗静电剂月桂酰胺丙基三甲基铵0.5份、分散剂span20 0.5份、过硫酸钾-亚硫酸氢钠0.3份、二甘醇2份、去离子水300份混合搅拌制得阻水胶液;
(2)将聚酯纱浸入步骤(1)所得的阻水胶液中10sec,在155℃干燥条件下固化,成型速度为40m/min,得到光电缆用阻水纱。
实施例2:
一种光电缆用阻水纱的制备方法,包括以下步骤:
(1)按如下重量份配比配制阻水胶液:丙烯酸100份、氢氧化钠70份、丙烯酸甲酯15份、海藻酸钠8份、交联剂N-羟甲基丙烯酰胺0.8份、抗静电剂月桂酰胺丙基三甲基铵0.5份、分散剂span20 0.5份、过硫酸钾-亚硫酸氢钠0.35份、二甘醇2份、去离子水300份混合搅拌制得阻水胶液;
(2)将聚酯纱浸入步骤(1)所得的阻水胶液中10sec,在160℃干燥条件下固化,成型速度为40m/min,得到光电缆用阻水纱。
实施例3:
一种光电缆用阻水纱的制备方法,包括以下步骤:
(1)按如下重量份配比配制阻水胶液:丙烯酸100份、氢氧化钾65份、甲基丙烯酸甲酯16份、海藻酸钠6份、交联剂N-羟甲基丙烯酰胺0.8份、抗静电剂月桂酰胺丙基三甲基铵0.5份、分散剂span20 0.5份、过硫酸钾-亚硫酸氢钠0.4份、二甘醇2份、去离子水300份混合搅拌制得阻水胶液;
(2)将聚酯纱浸入步骤(1)所得的阻水胶液中10sec,在155℃干燥条件下固化,成型速度为35m/min,得到光电缆用阻水纱。
对实施例1~3制备的光电缆用阻水纱进行检测,检测标准采用《中国人民共和国通信行业标准YD/T115.2-2001通信电缆光缆用阻水材料》,结果如表1所示。
表1对实施例1~3制备的光电缆用阻水纱的性能检测表
实施例 膨胀速率g/gmin 膨胀率g/g 掉粉量
实施例1 63 63
实施例2 62 62
实施例3 62 62
以上所述,仅是本申请的较佳实施例,并非对本申请做任何形式的限制,虽然本申请以较佳实施例揭示如上,然而并非用以限制本申请,任何熟悉本专业的技术人员,在不脱离本申请技术方案的范围内,利用上述揭示的技术内容做出些许的变动或修饰均等同于等效实施案例,均属于技术方案范围内。

Claims (10)

1.一种光电缆用阻水纱的制备方法,包括以下步骤:
(1)将丙烯酸、碱金属氢氧化物、丙烯酸酯、海藻酸钠、交联剂、过硫酸钾-亚硫酸氢钠、表面交联处理剂、抗静电剂、分散剂和去离子水混合搅拌制得阻水胶液;
(2)将聚酯纱浸入步骤(1)所得的阻水胶液中10sec,在120~170℃干燥条件下固化,成型速度为35~40m/min,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的制备方法,其特征在于,所述阻水胶液中各原料的配比为:丙烯酸100份、碱金属氢氧化物60~70份、丙烯酸酯16~20份、海藻酸钠5-12份、交联剂0.8~1.2份、抗静电剂1份、分散剂1份、过硫酸钾-亚硫酸氢钠0.3~0.6份、表面交联处理剂1.5-3.5份、去离子水300~350份。
3.根据权利要求1或2所述的光电缆用阻水纱的制备方法,其特征在于,所述丙烯酸酯为甲基丙烯酸乙酯或丙烯酸甲酯。
4.根据权利要求1或2所述的光电缆用阻水纱的制备方法,其特征在于,所述交联剂为N,N-亚甲基双丙烯酰胺或N-羟甲基丙烯酰胺。
5.根据权利要求1或2所述的光电缆用阻水纱的制备方法,其特征在于,所述抗静电剂为弱阳离子表面活性剂。
6.根据权利要求5所述的光电缆用阻水纱的制备方法,其特征在于,所述弱阳离子表面活性剂为月桂酰胺丙基三甲基铵、三羟乙基甲基季铵硫酸甲酯盐、N,N-十六烷基乙基吗啉硫酸乙酯盐中的一种。
7.根据权利要求1或2所述的光电缆用阻水纱的制备方法,其特征在于,所述分散剂为非离子型表面活性剂。
8.根据权利要求7所述的光电缆用阻水纱的制备方法,其特征在于,所述非离子型表面活性剂为span20、span 40、乙烯基双硬脂酰胺中的一种。
9.根据权利要求1或2所述的光电缆用阻水纱的制备方法,其特征在于,所述表面交联处理剂为聚乙二醇、二甘醇、乙二醇或乙二醇缩水甘油醚。
10.根据权利要求1或2所述的光电缆用阻水纱的制备方法,其特征在于,所述碱金属氢氧化物为氢氧化钠或氢氧化钾。
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Cited By (6)

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CN108914385A (zh) * 2018-07-03 2018-11-30 安徽宜民服饰股份有限公司 一种强吸湿性复合纤维水刺无纺布的加工工艺
CN109403018A (zh) * 2018-09-25 2019-03-01 南通赛博通信有限公司 超吸水纤维阻水纱用处理液、新型光电缆用超吸水纤维阻水纱的预处理工艺及制造工艺
CN111172760A (zh) * 2018-11-09 2020-05-19 中蓝晨光化工研究设计院有限公司 一种高膨胀率阻水纱及其生产工艺
CN111304920A (zh) * 2019-11-23 2020-06-19 深圳市鑫昌龙新材料科技股份有限公司 吸水树脂溶液、制备方法及阻水玻璃纤维纱的制备方法
CN112358568A (zh) * 2020-10-27 2021-02-12 蓝星(成都)新材料有限公司 一种用于超吸水纤维阻水芳纶纱的粘合剂及其制备方法、使用方法
CN117434671A (zh) * 2023-12-20 2024-01-23 长飞光纤光缆股份有限公司 一种全干式松套管光单元、其制备方法及光缆

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108914385A (zh) * 2018-07-03 2018-11-30 安徽宜民服饰股份有限公司 一种强吸湿性复合纤维水刺无纺布的加工工艺
CN109403018A (zh) * 2018-09-25 2019-03-01 南通赛博通信有限公司 超吸水纤维阻水纱用处理液、新型光电缆用超吸水纤维阻水纱的预处理工艺及制造工艺
CN111172760A (zh) * 2018-11-09 2020-05-19 中蓝晨光化工研究设计院有限公司 一种高膨胀率阻水纱及其生产工艺
CN111172760B (zh) * 2018-11-09 2022-08-19 中蓝晨光化工研究设计院有限公司 一种高膨胀率阻水纱及其生产工艺
CN111304920A (zh) * 2019-11-23 2020-06-19 深圳市鑫昌龙新材料科技股份有限公司 吸水树脂溶液、制备方法及阻水玻璃纤维纱的制备方法
CN112358568A (zh) * 2020-10-27 2021-02-12 蓝星(成都)新材料有限公司 一种用于超吸水纤维阻水芳纶纱的粘合剂及其制备方法、使用方法
CN117434671A (zh) * 2023-12-20 2024-01-23 长飞光纤光缆股份有限公司 一种全干式松套管光单元、其制备方法及光缆
CN117434671B (zh) * 2023-12-20 2024-04-26 长飞光纤光缆股份有限公司 一种全干式松套管光单元、其制备方法及光缆

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