CN108913278A - 一种水基机械润滑剂制备方法 - Google Patents

一种水基机械润滑剂制备方法 Download PDF

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CN108913278A
CN108913278A CN201810979282.2A CN201810979282A CN108913278A CN 108913278 A CN108913278 A CN 108913278A CN 201810979282 A CN201810979282 A CN 201810979282A CN 108913278 A CN108913278 A CN 108913278A
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李中江
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Abstract

本发明公开了一种水基机械润滑剂制备方法,其成分简单,工艺简便,并且不利用矿物油等基础油,有效保护石油资源,且不易造成环境污染。利用浓硫酸和盐酸混合溶液配合微波处理对碳纳米管进行处理,使碳纳米管表面形成微坑,增强其吸附性能,可以更好的吸附在机械表面,形成抗磨减摩层,从而增强抗磨减摩性能;利用硅溶胶、二氧化锆对碳纳米管进行改性,不仅可以防止润滑剂在机器运转过程不飞灰,而且提高了润滑剂的硬度和耐磨性。

Description

一种水基机械润滑剂制备方法
技术领域
本发明属于润滑剂技术领域,尤其是一种水基机械润滑剂制备方法。
背景技术
润滑剂是机械领域必不可少的物质,主要起着降低摩擦力、抗磨减摩,提高机械的运行速度和延长机械的寿命的作用,目前润滑剂的主体大多采用矿物油等作为基础油,但是尽管石油能源对人类社会的发展具有巨大的贡献,伴随着它的使用目前存在许多问题,包括逐渐减少的储量、资源的不平均分配、环境污染等。
针对上述问题,本发明旨在提供一种水基机械润滑剂制备方法。
本发明通过以下技术方案实现:
一种水基机械润滑剂制备方法,其特征在于,包括以下步骤:
(1)将以重量份计的10-13份碳纳米管置于浓硫酸和盐酸混合液中,在70-80℃下,以600-630rpm的速率搅拌反应2-3h,然后过滤,不经过洗涤,直接将所得物置于微波装置中,利用微波处理10-12min,然后用90-95℃的热水洗涤所得物2-3次,置于120-124℃烘箱中,干燥;
(2)将步骤(1)所得物加入到其体积2-5倍的硅凝胶中,在50-54℃下超声处理20-30min,然后加入3-5份二氧化锆,硅烷偶联剂,继续超声处理40-50min,得到均一凝胶,然后在24-28℃下放置10-12h,然后放入-20~-25℃、-0.09~-0.1MPa环境下冷冻12-15h,取出后进行粉碎,至粒径为10-100nm;
(3)将步骤(2)所得物与2-3份羟甲基纤维素钠、0.8-1.0份六偏磷酸钠在球磨机中球磨1-2h后,加入到其体积5-10倍的蒸馏水中,加入2-3份硬脂酸单甘油酯、3-4份聚乙烯醇,继续球磨30-40min,即可。
进一步的,步骤(1)所述浓硫酸与盐酸混合溶液中,硫酸的质量分数为38-40%,盐酸的质量分数为20-23%,余量为去离子水。
进一步的,步骤(1)所述微波处理条件为1000-1200W。
进一步的,步骤(2)所述超声条件为80-82Hz。
进一步的,步骤(3)所述球磨转速为20-22rpm。
本发明的有益效果:本发明成分简单,工艺简便,并且不利用矿物油等基础油,有效保护石油资源,且不易造成环境污染。利用浓硫酸和盐酸混合溶液配合微波处理对碳纳米管进行处理,使碳纳米管表面形成微坑,增强其吸附性能,可以更好的吸附在机械表面,形成抗磨减摩层,从而增强抗磨减摩性能;利用硅溶胶、二氧化锆对碳纳米管进行改性,不仅可以防止润滑剂在机器运转过程不飞灰,而且提高了润滑剂的硬度和耐磨性。
具体实施方式
下面用具体实施例说明本发明,但并不是对本发明的限制。
实施例1
一种水基机械润滑剂制备方法,其特征在于,包括以下步骤:
(1)将以重量份计的10份碳纳米管置于浓硫酸和盐酸混合液中,在70℃下,以600rpm的速率搅拌反应2h,然后过滤,不经过洗涤,直接将所得物置于微波装置中,利用微波处理10min,然后用90℃的热水洗涤所得物2次,置于120℃烘箱中,干燥;
(2)将步骤(1)所得物加入到其体积2倍的硅凝胶中,在50℃下超声处理20min,然后加入3份二氧化锆,硅烷偶联剂,继续超声处理40min,得到均一凝胶,然后在24℃下放置10h,然后放入-20℃、-0.09MPa环境下冷冻12h,取出后进行粉碎,至粒径为10nm;
(3)将步骤(2)所得物与2份羟甲基纤维素钠、0.8份六偏磷酸钠在球磨机中球磨1h后,加入到其体积5倍的蒸馏水中,加入2份硬脂酸单甘油酯、3份聚乙烯醇,继续球磨30min,即可。
进一步的,步骤(1)所述浓硫酸与盐酸混合溶液中,硫酸的质量分数为38%,盐酸的质量分数为20%,余量为去离子水。
进一步的,步骤(1)所述微波处理条件为1000W。
进一步的,步骤(2)所述超声条件为80Hz。
进一步的,步骤(3)所述球磨转速为20rpm。
实施例2
一种水基机械润滑剂制备方法,其特征在于,包括以下步骤:
(1)将以重量份计的12份碳纳米管置于浓硫酸和盐酸混合液中,在75℃下,以620rpm的速率搅拌反应3h,然后过滤,不经过洗涤,直接将所得物置于微波装置中,利用微波处理11min,然后用92℃的热水洗涤所得物3次,置于122℃烘箱中,干燥;
(2)将步骤(1)所得物加入到其体积3倍的硅凝胶中,在52℃下超声处理25min,然后加入4份二氧化锆,硅烷偶联剂,继续超声处理45min,得到均一凝胶,然后在25℃下放置11h,然后放入-25℃、-0.095MPa环境下冷冻13h,取出后进行粉碎,至粒径为50nm;
(3)将步骤(2)所得物与3份羟甲基纤维素钠、0.9份六偏磷酸钠在球磨机中球磨2h后,加入到其体积7倍的蒸馏水中,加入3份硬脂酸单甘油酯、4份聚乙烯醇,继续球磨35min,即可。
进一步的,步骤(1)所述浓硫酸与盐酸混合溶液中,硫酸的质量分数为39%,盐酸的质量分数为22%,余量为去离子水。
进一步的,步骤(1)所述微波处理条件为1100W。
进一步的,步骤(2)所述超声条件为81Hz。
进一步的,步骤(3)所述球磨转速为21rpm。
实施例3
一种水基机械润滑剂制备方法,其特征在于,包括以下步骤:
(1)将以重量份计的13份碳纳米管置于浓硫酸和盐酸混合液中,在80℃下,以630rpm的速率搅拌反应3h,然后过滤,不经过洗涤,直接将所得物置于微波装置中,利用微波处理12min,然后用95℃的热水洗涤所得物3次,置于124℃烘箱中,干燥;
(2)将步骤(1)所得物加入到其体积5倍的硅凝胶中,在54℃下超声处理30min,然后加入5份二氧化锆,硅烷偶联剂,继续超声处理50min,得到均一凝胶,然后在28℃下放置12h,然后放入-25℃、-0.1MPa环境下冷冻15h,取出后进行粉碎,至粒径为100nm;
(3)将步骤(2)所得物与3份羟甲基纤维素钠、-1.0份六偏磷酸钠在球磨机中球磨2h后,加入到其体积10倍的蒸馏水中,加入3份硬脂酸单甘油酯、4份聚乙烯醇,继续球磨40min,即可。
进一步的,步骤(1)所述浓硫酸与盐酸混合溶液中,硫酸的质量分数为40%,盐酸的质量分数为23%,余量为去离子水。
进一步的,步骤(1)所述微波处理条件为1200W。
进一步的,步骤(2)所述超声条件为82Hz。
进一步的,步骤(3)所述球磨转速为22rpm。
对比实施例1
本对比实施例相比于实施例2,省略了步骤(1)对碳纳米管的操作处理步骤,除此之外的方法步骤均相同。
对比实施例2
本对比实施例相比于实施例2,省略了硅凝胶的加入,除此之外的方法步骤均相同。
对比实施例3
本对比实施例相比于实施例2,省略了二氧化锆的加入,除此之外的方法步骤均相同。
性能测试:
采用MQ-800A型四球试验机来评价各实施例和对比实施例所得润滑剂的承载能力和抗磨性能,温度为室温。采用SRV-IV微振动摩擦磨损试验机测定抗磨减磨性能。
测试结果如表1所示:
表1
由表1可以看出,本发明制备的水基机械润滑剂具有较好的抗磨减摩效果。

Claims (5)

1.一种水基机械润滑剂制备方法,其特征在于,包括以下步骤:
(1)将以重量份计的10-13份碳纳米管置于浓硫酸和盐酸混合液中,在70-80℃下,以600-630rpm的速率搅拌反应2-3h,然后过滤,不经过洗涤,直接将所得物置于微波装置中,利用微波处理10-12min,然后用90-95℃的热水洗涤所得物2-3次,置于120-124℃烘箱中,干燥;
(2)将步骤(1)所得物加入到其体积2-5倍的硅凝胶中,在50-54℃下超声处理20-30min,然后加入3-5份二氧化锆,硅烷偶联剂,继续超声处理40-50min,得到均一凝胶,然后在24-28℃下放置10-12h,然后放入-20~-25℃、-0.09~-0.1MPa环境下冷冻12-15h,取出后进行粉碎,至粒径为10-100nm;
(3)将步骤(2)所得物与2-3份羟甲基纤维素钠、0.8-1.0份六偏磷酸钠在球磨机中球磨1-2h后,加入到其体积5-10倍的蒸馏水中,加入2-3份硬脂酸单甘油酯、3-4份聚乙烯醇,继续球磨30-40min,即可。
2.根据权利要求1所述的一种水基机械润滑剂制备方法,其特征在于,步骤(1)所述浓硫酸与盐酸混合溶液中,硫酸的质量分数为38-40%,盐酸的质量分数为20-23%,余量为去离子水。
3.根据权利要求1所述的一种水基机械润滑剂制备方法,其特征在于,步骤(1)所述微波处理条件为1000-1200W。
4.根据权利要求1所述的一种水基机械润滑剂制备方法,其特征在于,步骤(2)所述超声条件为80-82Hz。
5.根据权利要求1所述的一种水基机械润滑剂制备方法,其特征在于,步骤(3)所述球磨转速为20-22rpm。
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CN105482887A (zh) * 2015-11-30 2016-04-13 安徽创奇乐智能游乐设备有限公司 一种高载荷使用水基纳米二硫化钨等温模锻润滑剂及其制备方法
CN107118835A (zh) * 2017-05-22 2017-09-01 句容康泰膨润土有限公司 一种水基膨润土润滑剂及其制备方法
CN108148652A (zh) * 2018-01-12 2018-06-12 烟台华恒节能科技有限公司 一种表面修饰的烯碳复合纳米软金属抗磨自修复材料及其制备方法

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