CN108587455B - 一种防冰材料及其制备方法与应用 - Google Patents
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- 239000000463 material Substances 0.000 title claims abstract description 85
- 238000002360 preparation method Methods 0.000 title abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052742 iron Inorganic materials 0.000 claims abstract description 24
- 239000012212 insulator Substances 0.000 claims abstract description 19
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- 229910018663 Mn O Inorganic materials 0.000 claims description 13
- 229910003176 Mn-O Inorganic materials 0.000 claims description 13
- 239000002905 metal composite material Substances 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- 229910018516 Al—O Inorganic materials 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910000077 silane Inorganic materials 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 5
- 239000000378 calcium silicate Substances 0.000 claims description 5
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 5
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 5
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 claims description 5
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- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 2
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- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 150000001343 alkyl silanes Chemical class 0.000 claims description 2
- LJCFOYOSGPHIOO-UHFFFAOYSA-N antimony pentoxide Inorganic materials O=[Sb](=O)O[Sb](=O)=O LJCFOYOSGPHIOO-UHFFFAOYSA-N 0.000 claims description 2
- 239000001506 calcium phosphate Substances 0.000 claims description 2
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 2
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- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 12
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- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- BPCXHCSZMTWUBW-UHFFFAOYSA-N triethoxy(1,1,2,2,3,3,4,4,5,5,8,8,8-tridecafluorooctyl)silane Chemical compound CCO[Si](OCC)(OCC)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)CCC(F)(F)F BPCXHCSZMTWUBW-UHFFFAOYSA-N 0.000 description 4
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
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- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
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Abstract
本发明提供了一种防冰材料,还相应提供其制备方法及应用。该防冰材料中包括以下重量份的组分:光聚能吸收材料10‑50份、缓释热材料5‑30份、透光自清洁基料16‑30份、纳米增强材料5‑10份。本发明的防冰材料适用于绝缘子、铁塔、地线防冰,具有防冰效率高、绝缘性好、有效期长、经济性好等优点。该防冰材料的制备方法操作简单、生产效率高,该防冰材料的应用工艺流程简单、操作简便。
Description
技术领域
本发明属于功能材料领域,尤其涉及一种防冰材料及其制备方法与应用。
背景技术
众所周知,覆冰灾害严重威胁电网的安全稳定运行。由于电网线路数量多、分布广泛,大部分都处于环境恶劣的微地形微气象高寒山区,极易遭受雨雪冰冻的影响,且覆冰情况十分严重,一旦出现覆冰事故,将严重影响人民的正常生产与生活用电。
现今对于防覆冰涂料的相关研究较少且均有其局限性。如中国专利申请CN105283931A介绍了一种在输电线上涂覆压电材料的防冰方法,其通过压电涂层在电缆的外表面处引起电阻加热的方法进行除冰,但该方法仅应用于输电线路的防冰,而不适合应用于正常运行下没有电流通过的绝缘子、铁塔以及地线;中国专利申请CN1995251A介绍了一种在绝缘子上涂覆通电发热性能的防覆冰材料及其制备方法,该方法通过泄露电流产生的焦耳热、场效应发热进行融冰,但是该方法给绝缘子的运行带来安全隐患,且会由于电流的持续流过造成输送电能的损耗。因此,目前亟需开发研究一种可应用于绝缘子、铁塔和地线的高效且安全的防冰材料。
发明内容
本发明所要解决的技术问题是,克服以上背景技术中提到的不足和缺陷,提供一种高效防冰材料,同时还提供该防冰材料的制备方法和其在绝缘子、铁塔或地线防冰中应用。
为解决上述技术问题,本发明提出的技术方案为:
一种防冰材料,所述防冰材料中包括以下重量份的组分:
本发明的防冰材料中选择光聚能吸收材料,是基于采用自然光高效聚能后产生的热能进行防冰;覆冰期间,环境中具有一定的光照,在高效利用下可以实现很好的防冰效果。由于绝缘子、铁塔、地线表面由致密的硅橡胶或金属组成,热传导速度过快,容易让聚集的热量短时间内消散;本发明选择缓释热材料,可以减缓热能的释放,提高热能的应用效率,延长热能的有效时间。同时选择透光自清洁基料作为基料既可以保证光聚能吸收材料的有效;又可以避免防冰材料在户外应用时发生蒙尘现象,可以长期保持透光能力。本发明还研究发现提高防冰材料的疏水性能,能减少水在覆冰体上的粘附,并使覆冰更容易在覆冰体上脱落。因此,本发明采用透光性能好的纳米增强材料来增强防冰涂层的疏水和自脱冰性能,使水的接触角提升至120度以上,获得更好的综合防冰效果。经过大量的实验验证,本发明将各组分的含量合理搭配在上述范围内,这样获得的防冰材料具有最佳的综合防冰效果。
上述的防冰材料,优选的,所述防冰材料中还包括重量百分比为1-5%的助剂,所述助剂为ZnO、Al2O3、Sb2O5、MgO粉末中的一种或多种,所述助剂具有阻燃作用。
上述的防冰材料,优选的,所述光聚能吸收材料为金属复合氧化物,具体为Co-Al-O、Fe-Al-O、Ni-Al-O、Co-Fe-O、Cu-Mn-O、Ni-Fe-O、Ni-Co-O、Co-Mn-O、Cu-Cr-Mn-O、Ni-Cr-Mn-O、Cu-Co-Mn-O金属复合氧化物中的一种或多种。
上述的防冰材料,优选的,所述缓释热材料为铝酸钙、硅酸钙、硅酸铝、磷酸钙中的一种或多种。
上述的防冰材料,优选的,所述透光自清洁基料为烷基硅烷、氟烷基硅烷、烷基二硅氮烷中的一种或多种。
上述的防冰材料,优选的,所述纳米增强材料为纳米二氧化硅溶胶、纳米氧化铝溶胶、纳米硅铝胶中的一种或多种。由于透光自清洁基料的机械强度较低,进行防冰应用时或在外力作用下防冰材料涂层容易被剥落,因此需要采用机械增强材料来改善涂层的机械强度,本发明中选用的纳米增强材料不仅具有较好的光增透能力和疏水能力,还具有较高的机械强度,从而能够在保证透光能力的同时大大提升防冰材料涂层的机械性能。
作为一个总的发明构思,本发明还提供一种上述的防冰材料的制备方法,包括以下步骤:将各组分通过机械混合,在1000-2000r/min的转速下高速分散2-3小时,获得均匀分散的防冰材料。
作为一个总的发明构思,本发明还提供一种上述的防冰材料在绝缘子、铁塔或地线防冰中的应用,所述应用过程包括以下步骤:先采用乙醇和丙酮清洗绝缘子、铁塔或地线的表面,然后对其进行表面光滑处理,再采用喷涂、漆涂或浸涂的方式将防冰材料涂覆于绝缘子、铁塔或地线的表面,自然风干10-12小时。
上述的应用,优选的,自然风干后在所述绝缘子、铁塔或地线的表面形成防冰材料涂层,所述防冰材料涂层的厚度为1-4mm。更优选的,所述防冰材料涂层的厚度为1-3mm。
与现有技术相比,本发明的优点在于:
本发明的防冰材料,利用光聚能吸收材料吸收大量光能,并保证较少的能量散失,从而聚集环境中的光能,实现聚能;利用缓释热材料逐渐释放热量融冰;利用透光自清洁基料长期、持续保持光能吸收;利用纳米增强材料增强涂层的疏水和自脱冰性能、机械防剥离性能,并保证涂层的透光性能;各个原料之间相互配合获得了高效的综合防冰效果。
本发明的防冰材料适用于绝缘子、铁塔、地线防冰,具有防冰效率高、绝缘性好、有效期长、经济性好等优点。
本发明防冰材料的制备方法操作简单、生产效率高,本发明防冰材料的应用工艺流程简单、操作简便。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1是本发明中防冰材料涂覆于铁塔表面的示意图。
图例说明:
1、防冰材料涂层;2、铁塔表面。
具体实施方式
为了便于理解本发明,下文将结合说明书附图和较佳的实施例对本文发明做更全面、细致地描述,但本发明的保护范围并不限于以下具体实施例。
除非另有定义,下文中所使用的所有专业术语与本领域技术人员通常理解含义相同。本文中所使用的专业术语只是为了描述具体实施例的目的,并不是旨在限制本发明的保护范围。
除非另有特别说明,本发明中用到的各种原材料、试剂、仪器和设备等均可通过市场购买得到或者可通过现有方法制备得到。
实施例1:
将2Kg Co-Al-O金属复合氧化物、1.5Kg Cu-Mn-O金属复合氧化物、1.0Kg硅酸钙、0.5Kg铝酸钙、1.5Kg甲基三丁酮肟基硅烷、1Kg十三氟辛基三乙氧基硅烷、4Kg纳米硅铝胶、0.2Kg MgO通过机械混合,在1000-2000r/min的转速下高速分散2-3小时,获得均匀分散的本发明的防冰材料。
对比例1:
将1.0Kg硅酸钙、0.5Kg铝酸钙、1.5Kg甲基三丁酮肟基硅烷、1Kg十三氟辛基三乙氧基硅烷、4Kg纳米硅铝胶、0.2Kg MgO通过机械混合,在1000-2000r/min的转速下高速分散2-3小时,获得均匀分散的防冰材料。
对比例2:
将2Kg Co-Al-O金属复合氧化物、1.5Kg Cu-Mn-O金属复合氧化物、1.5Kg甲基三丁酮肟基硅烷、1Kg十三氟辛基三乙氧基硅烷、4Kg纳米硅铝胶、0.2Kg MgO通过机械混合,在1000-2000r/min的转速下高速分散2-3小时,获得均匀分散的防冰材料。
对比例3:
将2Kg Co-Al-O金属复合氧化物、1.5Kg Cu-Mn-O金属复合氧化物、1.0Kg硅酸钙、0.5Kg缓释热材料铝酸钙、1.5Kg甲基三丁酮肟基硅烷、1Kg十三氟辛基三乙氧基硅烷、0.2KgMgO通过机械混合,在1000-2000r/min的转速下高速分散2-3小时,获得均匀分散的防冰材料。
采用丙酮和乙醇清洗铁塔表面,然后对其进行光滑处理,再采用喷涂的方式将上述实施例和对比例中制备的防冰材料涂覆于铁塔表面,自然风干12小时,自然风干后在铁塔表面2上形成防冰材料涂层1,其示意图参见图1,防冰材料涂层1的厚度为2.5mm。对涂覆防冰材料的铁塔进行防冰试验,各防冰材料的防覆冰测试结果如表1所示:
表1实施例1和对比例1-3中防冰材料的防覆冰效果
效果 | 实施例1 | 对比例1 | 对比例2 | 对比例3 |
比值<sub>F</sub> | 0.2 | 0.9 | 0.4 | 0.3 |
注:比值F为涂有覆冰材料的导线部位和不涂覆冰材料的导线部位的覆冰厚度比值。
由表1可知,本发明实施例1中防冰材料的防冰效果最佳。由于对比例1中防冰材料没有添加光聚能吸收材料,因此防冰能力最差;对比例2中防冰材料没有添加缓释热材料,热能利用率较低,因此防冰效果较实施例1有所下降;而对比例3中防冰材料没有添加纳米增强材料,造成疏水性和自脱冰性能较差,因此防冰性能有所下降。
持续观察实施例1及对比例3中防冰涂层的外观,对比例3中的防冰材料在20天后有部分剥落,实施例1的防冰材料在100天内均为出现剥落现象,说明本发明防冰材料的持续防冰效果好,有效期长。
Claims (5)
1.一种防冰材料,其特征在于,所述防冰材料中包括以下重量份的组分:
光聚能吸收材料 10-50份、
缓释热材料 5-30份、
透光自清洁基料 16-30份、
纳米增强材料 5-10份;
所述光聚能吸收材料为金属复合氧化物,具体为Co-Al-O、Fe-Al-O、Ni-Al-O、Co-Fe-O、Cu-Mn-O、Ni-Fe-O、Ni-Co-O、Co-Mn-O、Cu-Cr-Mn-O、Ni-Cr-Mn-O、Cu-Co-Mn-O金属复合氧化物中的一种或多种;
所述缓释热材料为铝酸钙、硅酸钙、硅酸铝、磷酸钙中的一种或多种;
所述透光自清洁基料为烷基硅烷、氟烷基硅烷、烷基二硅氮烷中的一种或多种;
所述纳米增强材料为纳米二氧化硅溶胶、纳米氧化铝溶胶、纳米硅铝胶中的一种或多种。
2.根据权利要求1所述的防冰材料,其特征在于,所述防冰材料中还包括重量百分比为1%-5%的助剂,所述助剂为ZnO、Al2O3、Sb2O5、MgO粉末中的一种或多种。
3.一种如权利要求1-2中任一项所述的防冰材料的制备方法,其特征在于,包括以下步骤:将各组分通过机械混合,在1000-2000r/min的转速下高速分散2-3小时,获得均匀分散的防冰材料。
4.一种如权利要求1-2中任一项所述的防冰材料在绝缘子、铁塔或地线防冰中的应用,其特征在于,所述应用过程包括以下步骤:先采用乙醇和丙酮清洗绝缘子、铁塔或地线的表面,然后对其进行表面光滑处理,再采用喷涂、漆涂或浸涂的方式将防冰材料涂覆于绝缘子、铁塔或地线的表面,自然风干10-12小时,在所述绝缘子、铁塔或地线的表面形成防冰材料涂层。
5.根据权利要求4所述的应用,其特征在于,所述防冰材料涂层的厚度为1-4mm。
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