CN106149431B - 带电作业用防潮涤纶绝缘绳及其制备方法 - Google Patents
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Abstract
本发明涉及带电作业用防潮涤纶绝缘绳及其制备方法;属于带电作业用绝缘绳索开发与制备技术领域。所述绝缘绳包括染色芯材、均匀包覆在染色芯材上的过渡层以及均匀包覆在过渡层上的防水剂层组成;所述防水剂层为全氟六碳防水剂和/或全氟四碳防水剂。本发明所设计的涤纶绝缘绳的生产方法是:将涤纶长丝经并丝、加捻制成线,经染色加工,取出洗涤、干燥后使用粒径为5‐200纳米的水性高分子阴离子乳液和偶联剂浸渍法处理,使纤维表面阴离子化,再进行浸渍法阳离子防水整理,经高温焙烘,最后制成绳索;其防潮绝缘性远高于现有技术,特别适用于高湿度环境下的带电作业,而且保管和运输更省心,使用更安全。
Description
技术领域
本发明涉及带电作业用防潮涤纶绝缘绳及其制备方法;属于带电作业用绝缘绳索开发与制备技术领域。
背景技术
目前,我国带电作业使用的普通涤纶绝缘绳容易受潮,在相对湿度大于85%以上时就不能正常使用,储存保管必须置于干燥房中,而在运输途中及使用过程中受潮,会造成中途无法作业,必须经烘箱烘干后才能继续使用;如果在带电作业过程中,突遇雷雨天气,绝缘绳无法及时安全拆撤,则对电气设备造成极大的危害和损失,并且直接威胁电力设备的人身安全,这是长期困扰带电作业行业的难题。
其中采用全氟辛酸类防水剂(简称碳8防水剂)对涤纶表面处理,能起到较好效果,相关产品的发明我们也曾申请了中国专利(申请号:CN 02104815.0),但由于近年发现碳8防水剂会对环境排放PFOS(perfluorooctanesulphonate:是全氟辛烷磺酸盐的英文缩写)和PFOA(Perfluorooctanoic Acid:是全氟辛酸铵的英文缩写),PFOS和PFOA已被国际相关组织确认具有环境危害和生物毒性,且无法在排放前快速降解处理,所以碳8防水剂在2015年12月31日后将全球停产,防水如果将氟碳化合物C8侧链长度减少到C6或C4,就可避免相关的PFOA和PFOS问题,短链氟化工业的副产物,如全氟己酸(PFHxA)、全氟丁基磺酸盐(PFBS)的毒性和生物蓄积性均很低,且可在排放前快速降解处理。
但与C8氟碳化合物相比,减少全氟烷基链长度会使得防水效果明显变差,也使得防潮绝缘绳的性能无法符合GB/T 13035-2003《带电作业用绝缘绳索》国家标准,本发明主要为了解决这个问题。
发明内容
本发明针对有技术的不足,提供一种防潮性能比现有技术有较大提高,保管和运输更省心,使用更安全,并且在高湿度环境下,可以使用的带电作业绝缘绳。
本发明带电作业用防潮涤纶绝缘绳;由染色芯材、均匀包覆在染色芯材上的过渡层以及均匀包覆在过渡层上的防水剂层组成;所述染色芯材为染成桔黄色的涤纶丝线;所述过渡层以偶联剂与水性聚氨酯和/或聚丙烯酸酯为原料,在100-130℃反应得到;所述偶联剂的通式为YSiX3,其中Y为非水解基团、X为可水解基团;所述聚丙烯酸酯的通式为其中R基团上碳原子个数大于等于8;所述防水剂为全氟六碳防水剂和/或全氟四碳防水剂。
本发明带电作业用防潮涤纶绝缘绳;所述水性聚氨酯优选为A,所述A的结构式为其中R1、R2优选为烷基。
本发明带电作业用防潮涤纶绝缘绳;所述全氟六碳防水剂为全氟己酸;所述全氟四碳防水剂为全氟丁基磺酸和/或全氟丁基磺酸盐。
本发明带电作业用防潮涤纶绝缘绳;所述过渡层的质量为染色芯材质量的1%-20%;优选为2-15%、进一步优选为5-10%。
本发明带电作业用防潮涤纶绝缘绳;按质量比,水性聚氨酯和/或聚丙烯酸酯:偶联剂=1:1-1:20混合均匀后,在100-130℃反应得到所述过渡层。
本发明带电作业用防潮涤纶绝缘绳;防水剂层的质量为染色芯材质量的1%-20%;优选为5-20%、进一步优选为15-20%。
本发明带电作业用防潮涤纶绝缘绳;所述偶联剂的通式为YSiX3,其中Y为非水解基团,所述非水解基团包括链烯基(主要为乙烯基),以及末端带有Cl、NH2、SH、环氧、N3、(甲基)丙烯酰氧基、异氰酸酯基等官能团的烃基;
X为可水解基团;所述可水解基团包括-Cl,-OMe,-OEt,-OC2H4OCH3,-OSiMe3,及-OAc等。
本发明本发明带电作业用防潮涤纶绝缘绳;的制备方法,包括下述步骤:
步骤一
涤纶长丝经并丝、加捻制成线,浸渍酸性染料染色后加工成桔黄色,取出、洗涤、干燥后得到染色芯材;
步骤二
将步骤一所得染色芯材置于液体B中,在100-130℃浸渍0.5-1小时后,得到带有过渡层的染色芯材;所述液体B由偶联剂与水性聚氨酯和/或聚丙烯酸酯组成;所述偶联剂的通式为YSiX3,其中Y为非水解基团、X为可水解基团;所述聚丙烯酸酯的通式为其中R基团上碳原子个数大于等于8;
步骤三
将步骤二所得到的带有过渡层的染色芯材置于防水剂中,在125-135℃浸渍至少0.5小时、优选为30-60min后,在150‐280℃焙烘,最后制成绳索;得到所述带电作业用防潮涤纶绝缘绳;所述防水剂为全氟六碳防水剂和/或全氟四碳防水剂。
本发明带电作业用防潮涤纶绝缘绳;步骤一中所述酸性染料为分散染料,所述分散染料;其用量为所用涤纶长丝质量的1%‐3%。为了便于工业化应用,一般采用绞纱染色机进行染色;采用绞纱染色机进行染色时,控制浴比为1:10‐1:30。
本发明带电作业用防潮涤纶绝缘绳;步骤二中,水性聚氨酯和/或聚丙烯酸酯的粒度为5‐200纳米。
本发明带电作业用防潮涤纶绝缘绳;步骤二中,按质量比,水性聚氨酯和/或聚丙烯酸酯:偶联剂=1:1-1:20混合均匀后,得到液体B。
为了防止水性聚氨酯和/或聚丙烯酸酯团聚以及使其均匀分布,在工业化应用时也采用绞纱染色机进行过渡层的浸渍涂覆操作;采用绞纱染色机进行过渡层的浸渍涂覆操作时,控制水性聚氨酯和/或聚丙烯酸酯与偶联剂的总质量为步骤一所用涤纶长丝质量的1%-20%。为了进步提升涂覆效果,控制浴比为1:10-1:30。
所述聚丙烯酸酯的R基团上碳原子个数优选为8-12。
所述聚丙烯酸酯的平均相对分子质量为3-6万、优选为4-5万、进一步优选为48000-52000。
所述全氟六碳防水剂优选为为全氟己酸(PFHxA)。
所述全氟四碳防水剂优选为全氟丁基磺酸和/或全氟丁基磺酸盐(PFBS)。本发明带电作业用防潮涤纶绝缘绳;所用防水剂的质量为步骤一所用涤纶长丝质量的1%-20%;优选为10-20%、进一步优选为15-20%。
在本发明中,由于染色后芯材的质量无限的接近所用涤纶长丝质量;所以可以采用染色芯材质量替代所用涤纶长丝的质量。
本发明带电作业用防潮涤纶绝缘绳;在150‐280℃焙烘0.5‐1.5小时。
原理和优势
含氟碳8防水剂处理后的纤维,氟碳链直立指向空气侧,使水分子无法接近纤维,但防水剂从碳8长链降到碳6以下,会使全氟链段倒伏,也使水分子较易接近纤维,从而严重影响防水效果,本发明通过对纤维表面的阴离子化覆膜、遮盖,在各条件参数的协同作用下,使阳离子防水剂不易错位,同时通过表面堆积较多的分子进行空间挤压,使碳6及以下防水剂分子不产生倒伏现象,从而大大提高了防水性能。
本发明大大简化制备工艺,缩短制备流程。采用上述技术方案所设计和制成的带电作业用防潮绝缘绳,其主要技术指标符合GB/T 13035-2003《带电作业用绝缘绳索》国家标准,尤其在耐漂洗性能和耐拉伸性能上,其防潮绝缘性能大大优于现有技术,解决了带电作业行业中长期不能解决的难题。
附图说明
下面对照附图对本发明作进一步的说明。
附图1为本发明的工艺流程图。
图中:1、染色 2、浸渍涂覆溶液B 3、防水处理 4、焙烘 5、制成绳索成品
具体实施方式
实施例1:
步骤一
涤纶长丝经并丝、加捻制成线,浸渍酸性染料染色后加工成桔黄色,取出、洗涤、干燥后得到染色芯材;所用染料为蒽醌结构类分散染料;其用量为所用涤纶长丝质量的1.5%。本实施例中采用绞纱染色机进行染色;采用绞纱染色机进行染色时,控制浴比为1:10。
步骤二
按质量比,水性聚氨酯和/或聚丙烯酸酯:偶联剂=1:1混合均匀后,得到液体B;
将步骤一所得染色芯材置于液体B中,在100℃浸渍1小时后,得到带有过渡层的染色芯材;所述液体B由偶联剂与水性聚氨酯和聚丙烯酸酯按质量比1:1组成;所述偶联剂的通式为YSiX3,其中Y为-CH3、X为-OCH3;所述聚丙烯酸酯的通式为其中R基团上碳原子个数为8;所述水性聚氨酯以及聚丙烯酸酯的粒度为50‐60纳米;聚丙烯酸酯的平均相对分子量约为5万;
为了防止水性聚氨酯和/或聚丙烯酸酯团聚以及均匀分布,本实施例中采用绞纱染色机进行过渡层的浸渍涂覆操作;采用绞纱染色机进行过渡层的浸渍涂覆操作时,控制水性聚氨酯和/或聚丙烯酸酯与偶联剂的总质量为步骤一所用涤纶长丝质量的10%。为了进步提升涂覆效果,控制浴比为1:10。
步骤三
将步骤二所的带有过渡层的染色芯材置于防水剂中,于125℃浸渍1小时后,在160℃焙烘45min,最后制成绳索;得到所述带电作业用防潮涤纶绝缘绳;所述防水剂为全氟己酸。所用防水剂的质量为步骤一所用涤纶长丝质量的20%。所得成品,水下15-20厘米处浸泡15分钟后吸湿率的检测结果见表1.
对比例1
其他条件与实施例1完全一致,省去了步骤二;所得成品水下15-20厘米处浸泡15分钟后吸湿率的检测结果见表1。
实施例2:
步骤一
涤纶长丝经并丝、加捻制成线,浸渍酸性染料染色后加工成桔黄色,取出、洗涤、干燥后得到染色芯材;所用染料为蒽醌结构类分散染料;其用量为所用涤纶长丝质量的1%。本实施例中采用绞纱染色机进行染色;采用绞纱染色机进行染色时,控制浴比为1:20;
步骤二
按质量比,聚丙烯酸酯:偶联剂=1:10混合均匀后,得到液体B;
将步骤一所得染色芯材置于液体B中,在130℃浸渍0.5小时后,得到带有过渡层的染色芯材;所述偶联剂的通式为YSiX3,其中Y为-CH3、X为-OCH3;所述聚丙烯酸酯的通式为其中R基团上碳原子个数为8;所述水性聚氨酯以及聚丙烯酸酯的粒度为50‐60纳米;聚丙烯酸酯的平均相对分子量约为3万;
为了防止聚丙烯酸酯团聚以及均匀分布,本实施例中采用绞纱染色机进行过渡层的浸渍涂覆操作;采用绞纱染色机进行过渡层的浸渍涂覆操作时,控制聚丙烯酸酯与偶联剂的总质量为步骤一所用涤纶长丝质量的5%。为了进步提升涂覆效果,控制浴比为1:20。
步骤三
将步骤二所的带有过渡层的染色芯材置于防水剂中,于135℃浸渍1小时后,在200℃焙烘1小时,最后制成绳索;得到所述带电作业用防潮涤纶绝缘绳;所述防水剂为全氟丁基磺酸盐。所用防水剂的质量为步骤一所用涤纶长丝质量的5%。所得成品的防潮效果远远优于对比例所得样品的防潮性能。
实施例3:
步骤一
涤纶长丝经并丝、加捻制成线,浸渍酸性染料染色后加工成桔黄色,取出、洗涤、干燥后得到染色芯材;所用染料为蒽醌结构类分散染料;其用量为所用涤纶长丝质量的3%。本实施例中采用绞纱染色机进行染色;采用绞纱染色机进行染色时,控制浴比为1:10。
步骤二
按质量比,水性聚氨酯:偶联剂=1:20混合均匀后,得到液体B;
将步骤一所得染色芯材置于液体B中,在120℃浸渍40min后,得到带有过渡层的染色芯材;所述液体B由偶联剂与水性聚氨酯按质量比1:1组成;所述偶联剂的通式为YSiX3,其中Y为-CH3、X为-OCH3;所述聚丙烯酸酯的通式为其中R基团上碳原子个数为8;所述水性聚氨酯的粒度为50‐60纳米;聚丙烯酸酯的平均相对分子量约为6万;
为了防止水性聚氨酯团聚以及均匀分布,本实施例中采用绞纱染色机进行过渡层的浸渍涂覆操作;采用绞纱染色机进行过渡层的浸渍涂覆操作时,控制水性聚氨酯与偶联剂的总质量为步骤一所用涤纶长丝质量的10%。为了进步提升涂覆效果,控制浴比为1:10。
步骤三
将步骤二所的带有过渡层的染色芯材置于防水剂中,于130℃浸渍1小时后,在150℃焙烘1.5小时,最后制成绳索;得到所述带电作业用防潮涤纶绝缘绳;所述防水剂为全氟丁基磺酸与全氟己酸按质量比1:1组成。所用防水剂的质量为步骤一所用涤纶长丝质量的20%。所得产品在水下15-20厘米处浸泡15分钟后吸湿率仅为0.35%。所得成品的防潮效果远远优于对比例所得样品的防潮性能。
Claims (10)
1.带电作业用防潮涤纶绝缘绳;其特征在于:所述绝缘绳由染色芯材、均匀包覆在染色芯材上的过渡层以及均匀包覆在过渡层上的防水剂层组成;所述染色芯材为染成桔黄色的涤纶丝线;所述过渡层以偶联剂与水性聚氨酯和/或聚丙烯酸酯为原料,在100‐130℃反应得到;所述偶联剂的通式为YSiX3,其中Y为非水解基团、X为可水解基团;所述聚丙烯酸酯的通式为其中R基团上碳原子个数大于等于8;所述防水剂层为全氟六碳防水剂和/或全氟四碳防水剂。
2.根据权利要求1所述的带电作业用防潮涤纶绝缘绳;其特征在于:所述水性聚氨酯为A,所述A的结构式为其中R1、R2为烷基。
3.根据权利要求1所述的带电作业用防潮涤纶绝缘绳;其特征在于:所述全氟六碳防水剂为全氟己酸;所述全氟四碳防水剂为全氟丁基磺酸和/或全氟丁基磺酸盐。
4.根据权利要求1所述的带电作业用防潮涤纶绝缘绳;其特征在于:所述过渡层的质量为染色芯材质量的1%‐20%。
5.根据权利要求1所述的带电作业用防潮涤纶绝缘绳;其特征在于:按质量比,水性聚氨酯和/或聚丙烯酸酯:偶联剂=1:1‐1:20混合均匀后,在100‐130℃反应得到所述过渡层。
6.根据权利要求1所述的带电作业用防潮涤纶绝缘绳;其特征在于:防水剂层的质量为染色芯材质量的1%‐20%。
7.一种如权利要求1‐6任意一项所述的带电作业用防潮涤纶绝缘绳的制备方法,其特征在于包括下述步骤:
步骤一
涤纶长丝经并丝、加捻制成线,浸渍酸性染料染色后加工成桔黄色,取出、洗涤、干燥后得到染色芯材;
步骤二
将步骤一所得染色芯材置于液体B中,在100‐130℃浸渍保温0.5‐1小时后,得到带有过渡层的染色芯材;所述液体B由偶联剂与水性聚氨酯和/或聚丙烯酸酯组成;所述偶联剂的通式为YSiX3,其中Y为非水解基团、X为可水解基团;所述聚丙烯酸酯的通式为其中R基团上碳原子个数大于等于8;所述防水剂为全氟六碳防水剂和/或全氟四碳防水剂;
步骤三
将步骤二所得到的带有过渡层的染色芯材置于防水剂中,在125‐135℃浸渍至少0.5小时后,在150‐280℃焙烘,最后制成绳索;得到所述带电作业用防潮涤纶绝缘绳;所述防水剂为全氟六碳防水剂和/或全氟四碳防水剂。
8.根据权利要求7所述的带电作业用防潮涤纶绝缘绳的制备方法,其特征在于:步骤一中所述酸性染料为分散染料,所述分散染料选用蒽醌结构类分散染料中的一种;其用量为所用涤纶长丝质量的1%‐3%;采用绞纱染色机进行染色;采用绞纱染色机进行染色时,控制浴比为1:10‐1:30。
9.根据权利要求7所述的带电作业用防潮涤纶绝缘绳的制备方法,其特征在于:
步骤二中,水性聚氨酯和/或聚丙烯酸酯的粒度为5‐200纳米;
所述聚丙烯酸酯的R基团上碳原子个数为8‐12;
所述聚丙烯酸酯的平均相对分子量为3‐6万;
步骤二中,按质量比,水性聚氨酯和/或聚丙烯酸酯:偶联剂=1:1‐1:20混合均匀后,得到液体B;
为了防止水性聚氨酯和/或聚丙烯酸酯团聚以及使其均匀分布,采用绞纱染色机进行过渡层的浸渍涂覆操作;采用绞纱染色机进行过渡层的浸渍涂覆操作时,控制水性聚氨酯和/或聚丙烯酸酯与偶联剂的总质量为步骤一所用涤纶长丝质量的1%‐20%、控制浴比为1:10‐1:30。
10.根据权利要求7所述的带电作业用防潮涤纶绝缘绳的制备方法,其特征在于:步骤三中,
所述全氟六碳防水剂为全氟己酸;
所述全氟四碳防水剂为全氟丁基磺酸和/或全氟丁基磺酸盐;
所用防水剂的质量为步骤一所用涤纶质量的1%‐20%;
在150‐280℃焙烘0.5‐1.5小时。
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