CN110982605B - 一种线缆润滑剂及其制备方法 - Google Patents
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Abstract
本发明公开了一种线缆润滑剂及其制备方法,所述一种线缆润滑剂包括以下质量百分含量的组分:50~70%聚乙二醇,10~30%甘油,5~10%硅油,和0.1~1%防腐剂。本发明的线缆润滑剂利用PEG的水溶性和润滑性,复配辅助性的润滑体系制得一种适用于线缆穿线的润滑剂。本发明制备的润滑剂呈中性,对线缆和护套管无腐蚀或其他副作用;其黏度高,能够有效保证润滑剂有效附着在线缆上;还具有高润滑的优点,尽可能地减少线缆敷设过程中的摩擦作用,在避免损害线缆,提高其使用寿命的同时,更也大大提高了敷设效率。
Description
技术领域
本发明属于化学领域,涉及一种润滑剂,尤其是一种线缆润滑剂及其制备方法。
背景技术
电线和电缆在护套管中敷设时,因自重、距离长及弯路等原因,线缆同护套管的摩擦阻力大,不仅施工不方便,而且造成线缆表面磨损破坏,降低线缆使用寿命,出现电路故障。目前对于在护套管中敷设线缆没有明确的规定,有些不用表面润滑,直接生拉硬拽。有些在线缆表面涂抹润滑油、肥皂水和滑石粉等以降低摩擦阻力。
如果直接生拉硬拽,不仅施工效率低,而且会将线缆表面磨损破坏,降低线缆使用寿命,出现电路故障。护套管和线缆绝缘层为塑料材料,润滑油种类繁多,虽润滑效果好,但对塑料有溶胀作用,造成护套管性能降低,线缆表皮绝缘性能下降,出现漏电现象。肥皂水有一定的润滑效果,但为溶液状,涂抹后容易滴落,且本身略有碱性,对护套管和线缆绝缘层有影响。滑石粉为固体润滑材料,在护套管内壁及线缆表皮的浸润效果没有液体好,润滑效果相比液体要差,需要将整个护套管内壁和线缆表皮全部涂满才有很好的润滑效果,不利于施工。
发明内容
本发明的目的在于针对上述现有技术的不足之处而提供一种方便施工、润滑性好、对护套管和线缆无副作用的润滑剂的制备方法。
为实现上述目的,本发明采取的技术方案为:一种线缆润滑剂,包括以下质量百分含量的组分:50~70%聚乙二醇,10~30%甘油,5~10%硅油,和0.1~1%防腐剂。
PEG具有较好的水溶性和润滑性,甘油(甘油含量≥99%)为辅助性的润滑组分和防冻组分,硅油为辅助性的润滑组分,三者配合具有较好的润滑作用。
进一步地,所述线缆润滑剂还包括水。
作为本发明的优选实施方式,所述聚乙二醇的平均分子量为4000~8000。
如PEG聚合度偏低,PEG为液体状,制备的润滑剂滑感差,粘度低,涂抹后容易滴落;本发明优选平均分子量为4000~8000的聚乙二醇,其为固体,便于涂抹,涂抹后可持续粘附在线上。
作为本发明的优选实施方式,所述硅油为甲基硅油、乙基硅油、羟基硅油中的至少一种。
进一步地,所述硅油的粘度为30~100mPa·s。
本发明所述的润滑剂体系为水性体系,若硅油的比例和粘度大,不利于在体系里分散均匀,因此需要将其比例控制在10%以内,粘度在100mPa·s以内。
作为本发明的优选实施方式,所述防腐剂为苯甲酸钠、山梨酸钾、尼泊金酯类、苯氧乙醇中的至少一种。
本发明还提供了所述线缆润滑剂的制备方法,包括以下步骤:
(1)将聚乙二醇加入到水中,加热搅拌溶解;
(2)将甘油和硅油加入到步骤(1)所得的溶液中,充分搅拌混合均匀;
(3)将防腐剂加入到步骤(2)所得的溶液中,充分搅拌混合均匀,即得到本发明所述的线缆润滑剂。
作为本发明的优选实施方式,所述步骤(1)中,搅拌温度为50~60℃。
本发明还要求保护所述线缆润滑剂在线缆敷设中的用途。
本发明的线缆润滑剂利用PEG的水溶性和润滑性,复配辅助性的润滑体系制得一种适用于线缆穿线的过程的润滑剂。本发明制备的润滑剂呈中性,对线缆和护套管无腐蚀或其他副作用;其黏度高,能够有效保证润滑剂有效附着在线缆上;还具有高润滑的优点,尽可能地减少线缆敷设过程中的摩擦作用,在避免损害线缆,提高其使用寿命的同时,更也大大提高了敷设效率。本发明润滑剂的制备方法简单、便捷,可大量制备所述线缆润滑剂。
具体实施方式
为更好的说明本发明的目的、技术方案和优点,下面将结合具体实施例对本发明作进一步说明。
实施例1
本发明线缆润滑剂的一种实施例,包括以下质量百分含量的组分:55g聚乙二醇-6000,15g甘油,3g甲基硅油(粘度为50mPa·s),5g羟基硅油(粘度为70mPa·s),0.2g苯甲酸钠,0.2g山梨酸钾和0.1g苯氧乙醇和21.5g水。
本实施例所述线缆润滑剂制备方法如下:
(1)称取聚乙二醇-6000,加入水中,加热至60℃,搅拌溶解。加热搅拌溶解;
(2)称取甘油、甲基硅油、羟基硅油,加入到(1)的溶液中,充分搅拌混合均匀;
(3)称取苯甲酸钠、山梨酸钾、苯氧乙醇,加入到步骤(2)得到的混合溶液中,充分搅拌混合均匀,即得到本发明线缆润滑剂。
实施例2
本发明线缆润滑剂的一种实施例,包括以下质量百分含量的组分:60g聚乙二醇-6000,13g甘油,4g乙基硅油(粘度为50mPa·s),4g羟基硅油(粘度为70mPa·s),0.2g苯甲酸钠,0.1g尼泊金甲酯、0.3g苯氧乙醇和18.4g水。
本实施例所述线缆润滑剂制备方法如下:
(1)称取聚乙二醇-6000,加入到水中,加热至60℃,搅拌溶解。加热搅拌溶解;
(2)称取甘油、乙基硅油、羟基硅油,加入到(1)的溶液中,充分搅拌混合均匀;
(3)称取苯甲酸钠、尼泊金甲酯、苯氧乙醇,加入到步骤(2)得到的混合溶液中,充分搅拌混合均匀,即得到本发明线缆润滑剂。.
实施例3
本发明线缆润滑剂的一种实施例,包括以下质量百分含量的组分:50g聚乙二醇-4000,30g甘油,5g乙基硅油(粘度为50mPa·s),5g羟基硅油(粘度为70mPa·s),0.4g苯甲酸钠,0.6g苯氧乙醇和9g的水。
实施例4
本发明线缆润滑剂的一种实施例,包括以下质量百分含量的组分:70g聚乙二醇-8000,10g甘油,2g甲基硅油(粘度为50mPa·s),3g乙基硅油(粘度为70mPa·s),0.1g苯甲酸钠和14.9g的水。
实施例5
本发明所述线缆润滑剂与市售润滑剂的性能比较。本发明实施例1~4所述线缆润滑剂与市面的润滑剂性能对比如表1;其中,市售润滑剂1购于美国IDEAL,市售润滑剂2购于美国3M。
表1不同润滑剂性能比较
由上表可得,本发明的线缆润滑剂的pH呈中性,减少了线缆产生腐蚀作用,其具有较好的粘度的同时,摩擦系数较少,使用其进行电缆敷设效率明显高于现有市售润滑剂。
最后所应当说明的是,以上实施例仅用以说明本发明的技术方案而非对本发明保护范围的限制,尽管参照较佳实施例对本发明作了详细说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的实质和范围。
Claims (6)
1.一种线缆润滑剂,其特征在于,包括以下质量百分含量的组分:50~70%聚乙二醇,10~30%甘油,5~10%硅油,0.1~1%防腐剂,剩余为水;所述聚乙二醇的平均分子量为4000~8000;所述硅油的粘度为30~100mPa·s。
2.如权利要求1所述的线缆润滑剂,其特征在于,所述硅油为甲基硅油、乙基硅油、羟基硅油中的至少一种。
3.如权利要求1所述的线缆润滑剂,其特征在于,所述防腐剂为苯甲酸钠、山梨酸钾、尼泊金酯类、苯氧乙醇中的至少一种。
4.如权利要求1所述线缆润滑剂的制备方法,其特征在于,包括以下步骤:
(1)将聚乙二醇加入到水中,加热搅拌溶解;
(2)将甘油和硅油加入到步骤(1)所得溶液中,充分搅拌混合均匀;
(3)将防腐剂加入到步骤(2)所得溶液中,充分搅拌混合均匀,即得到本发明所述的线缆润滑剂。
5.如权利要求4所述的制备方法,其特征在于,所述步骤(1)中,搅拌温度为50~60℃。
6.如权利要求1所述线缆润滑剂在线缆敷设中的应用。
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