CN107460030A - 石墨烯汽车机油 - Google Patents
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Abstract
本发明涉及一种石墨烯汽车机油,包括如下组分及质量百分含量:基础油:67‑74%;合成酯6‑10%;降凝剂0.45‑0.5%;261胶9‑11%;复合剂9‑11%;石墨烯1~2%。本机油具有很强的极压抗磨能力和导热性,能大幅提升发动机动力,使得换油周期达到15000公里以上,同时节约燃油效果超5%。
Description
技术领域
本发明属于润滑油领域,涉及石墨烯,尤其是一种石墨烯汽车机油。
背景技术
石墨烯(Graphene)是从石墨材料中剥离出来、由碳原子组成的只有一层原子厚度的二维晶体。作为目前发现的最薄、强度最大、导电导热性能最强的一种新型纳米材料,石墨烯被称为"黑金",是"新材料之王"。
尽管石墨烯应用领域广泛,市场容量巨大,但目前石墨烯低成本规模化制备方面尚未取得决定性突破,这制约了石墨烯应用技术的开发和市场开拓。为解决这一瓶颈问题,关键是寻求更为优异的石墨烯制备工艺使其得到更好的应用。
到目前为止,石墨烯的制备方法主要有以下几种:机械剥离法、Si C外延生长法、化学气相沉积法、还原法以及氧化石墨的热膨胀法。机械剥离法制备石墨烯原理简单,2004年Geim小组正是以高定向热解石墨为原料,采用“撕胶带”法首次获得了单层石墨烯,但是这种方法制得的石墨烯都是单层和多层石墨片层的混合物,并且产量较少,难以用于大规模应用。SiC外延生长法可获得质量较高的大面积单层石墨烯,但由于单晶SiC的价格昂贵,生长条件苛刻,且难以转移生长出的石墨烯,因此该方法制备的石墨烯主要用于以SiC为衬底的石墨烯器件的研究。以Ni、Ru等过渡金属为基体,利用传统的CVD方法,可以在一定温度下得到单层或多层的石墨烯,但是CVD方法对于设备的要求较高,制备石墨烯的成本较高。氧化石墨的热膨胀法和还原法都为实现石墨烯的宏量制备提供了可能,目前许多工作是基于这两种方法的原理进行的,尽管这两种方法得到的石墨烯会含有一定量的缺陷,但是对于一些能够利用其缺陷的领域,具有很好的应用前景。
传统润滑油添加剂生产成本高、使用条件较苛刻、更换麻烦、产生废物污染环境等问题。添加了石墨烯的润滑油添加剂最大的优势在于,在降低生产成本的同时,还能大大提升发动机动力,节能减耗,增强汽车使用寿命和续航能力。传统的润滑油添加剂无法在汽车冷启动时给予发动机很好的保护,且为了保证润滑效果需要频繁添加,既烧钱又加重了发动机的负担。而添加了石墨烯的润滑油添加剂只需2万公里加一次即可,不仅很好地保护了发动机,还为企业降低了成本,是节省成本的有效方法。
发明内容
本发明的目的在于克服现有技术的不足之处,提供一种大大提升发动机动力,节能减耗,增强汽车使用寿命和续航能力的石墨烯汽车机油。
本发明解决技术问题所采用的技术方案是:
一种石墨烯汽车机油,包括如下组分及质量百分含量:
而且,所述的基础油为100N与PAO6按一定比例混合或150N与500N按一定比例的混合物。
而且,所述合成酯为3970合成酯。
而且,所述降凝剂为803B。
而且,所述的石墨烯的制备方法为:
(1)将稻壳炭过筛,炭化,然后在1~3mol/L的KOH溶液中浸渍10~15h,过滤,并洗涤至pH值为6~7,然后将稻壳炭在温度为100~110℃下干燥1~3小时,冷却,最后在氮气保护下,以3~10摄氏度/分钟的升温速率升温至500~700 摄氏度下活化并保温10~30分钟,自然冷却至室温得到产物;
(2)称取2~4g上述步骤(1)产物和2~4gNaNO3放入三口烧瓶中,然后加入100~150mL浓硫酸,保持冰水浴温度为0℃,反应20~50min,搅拌下缓慢加入10~15gKMnO4,持续反应1~5h;然后升温至35℃继续搅拌20~50min,缓慢滴加去离子水;添加结束后,温度升至98℃,反应10~20min,将反应完的溶液在搅拌条件下缓慢倒入60℃去离子水中,滴加双氧水;真空抽滤,用去离子水离心洗涤至pH=7,取上清液,重复上述步骤4~6次,至上清液无色,将所得上清液经冷冻干燥,研磨即得氧化石墨粉;
(3)在搅拌的条件下,将一定浓度的柠檬酸钠的水溶液加入到氯金酸水溶液中,反应一定时间,得到纳米颗粒,柠檬酸钠和氯金酸的摩尔比为10:1~0.5:1,反应温度为95~120度,反应时间为3~60分钟,而后自然冷却到室温,得到金纳米颗粒的胶体溶液;
(4)取一定量的金纳米颗粒的胶体溶液分散在硝酸银和柠檬酸钠的水溶液中,加入一定量的还原剂水溶液,及步骤(2)得到的氧化石墨粉,超声反应1~2 小时,得到掺杂有金核银壳的纳米颗粒的石墨烯。
本发明的优点和积极效果是:
1、本机油具有很强的极压抗磨能力和导热性,能大幅提升发动机动力,使得换油周期达到15000公里以上,同时节约燃油效果超5%。
2、本机油环保,CO2减排90%、它能够向空气中少排的二氧化碳,相当于你种了18棵树、一瓶机油,使用时间更加长久。
3、本机油将代替传统汽车润滑油使发动机寿命延长、能轻易的洗下发动机里面的积炭、降低杂声,降低震动。
说明书附图
图1为本发明机油的检测报告
具体实施方式
下面通过具体实施例对本发明作进一步详述,以下实施例只是描述性的,不是限定性的,不能以此限定本发明的保护范围。
石墨烯的制备方法为:
(1)将稻壳炭过筛,炭化,然后在2mol/L的KOH溶液中浸渍12h,过滤,并洗涤至pH值为7,然后将稻壳炭在温度为100℃下干燥2小时,冷却,最后在氮气保护下,以10摄氏度/分钟的升温速率升温至700摄氏度下活化并保温30 分钟,自然冷却至室温得到产物;
(2)称取2g上述步骤(1)产物和3gNaNO3放入1000mL三口烧瓶中,然后加入140mL浓硫酸,保持冰水浴温度为0℃,反应30min,搅拌下缓慢加入12gKMnO4,持续反应3h;然后升温至35℃继续搅拌30min,缓慢滴加600 mL去离子水;添加结束后,温度升至98℃,反应15min,将反应完的溶液在搅拌条件下缓慢倒入800mL、60℃去离子水中,滴加10mL双氧水;真空抽滤,用去离子水离心洗涤至pH=7,取上清液,重复上述步骤4~6次,至上清液无色,将所得上清液经冷冻干燥,研磨即得氧化石墨粉;
(3)在搅拌的条件下,将一定浓度的柠檬酸钠的水溶液加入到氯金酸水溶液中,反应一定时间,得到纳米颗粒,柠檬酸钠和氯金酸的摩尔比为5:1,反应温度为110度,反应时间为60分钟,而后自然冷却到室温,得到金纳米颗粒的胶体溶液;
(4)取5mL左右的Au胶体溶液,分散在硝酸银和柠檬酸钠水溶液(浓度为38.8mM)中,加入抗坏血酸溶液(浓度为10mM),及步骤(2)得到的氧化石墨粉,超声反应2小时,得到掺杂有金核银壳的纳米颗粒的石墨烯。
实施例1:一种石墨烯汽车机油,总重量200kg,包括如下质量的组分:
实施例2:一种石墨烯汽车机油,总重量120kg,包括如下质量的组分:
实施例3:一种石墨烯汽车机油,总重量400kg,包括如下质量的组分:
本汽车机油的检测结果如下:
以上所述的仅是本发明的优选实施方式,应当指出,对于本领域的普通技术人员来说,在不脱离发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。
Claims (5)
1.一种石墨烯汽车机油,包括如下组分及质量百分含量:
2.根据权利要求1所述的石墨烯汽车机油,其特征在于:所述的基础油为100N与PAO6按一定比例混合或150N与500N按一定比例的混合物。
3.根据权利要求1所述的石墨烯汽车机油,其特征在于:所述合成酯为3970合成酯。
4.根据权利要求1所述的石墨烯汽车机油,其特征在于:所述降凝剂为803B。
5.根据权利要求1所述的石墨烯汽车机油,其特征在于:所述的石墨烯的制备方法为:
(1)将稻壳炭过筛,炭化,然后在1~3mol/L的KOH溶液中浸渍10~15h,过滤,并洗涤至pH值为6~7,然后将稻壳炭在温度为100~110℃下干燥1~3小时,冷却,最后在氮气保护下,以3~10摄氏度/分钟的升温速率升温至500~700摄氏度下活化并保温10~30分钟,自然冷却至室温得到产物;
(2)称取2~4g上述步骤(1)产物和2~4gNaNO3放入三口烧瓶中,然后加入100~150mL浓硫酸,保持冰水浴温度为0℃,反应20~50min,搅拌下缓慢加入10~15gKMnO4,持续反应1~5h;然后升温至35℃继续搅拌20~50min,缓慢滴加去离子水;添加结束后,温度升至98℃,反应10~20min,将反应完的溶液在搅拌条件下缓慢倒入60℃去离子水中,滴加双氧水;真空抽滤,用去离子水离心洗涤至pH=7,取上清液,重复上述步骤4~6次,至上清液无色,将所得上清液经冷冻干燥,研磨即得氧化石墨粉;
(3)在搅拌的条件下,将一定浓度的柠檬酸钠的水溶液加入到氯金酸水溶液中,反应一定时间,得到纳米颗粒,柠檬酸钠和氯金酸的摩尔比为10:1~0.5:1,反应温度为95~120度,反应时间为3~60分钟,而后自然冷却到室温,得到金纳米颗粒的胶体溶液;
(4)取一定量的金纳米颗粒的胶体溶液分散在硝酸银和柠檬酸钠的水溶液中,加入一定量的还原剂水溶液,及步骤(2)得到的氧化石墨粉,超声反应1~2小时,得到掺杂有金核银壳的纳米颗粒的石墨烯。
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Cited By (4)
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CN108690694A (zh) * | 2018-06-13 | 2018-10-23 | 欧美能源(厦门)有限公司 | 半固态高强膜的车用润滑油及其制备方法 |
CN110484337A (zh) * | 2019-09-19 | 2019-11-22 | 广东车三宝汽车科技有限公司 | 一种石墨烯再生机油的制备方法 |
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CN114276861A (zh) * | 2022-01-13 | 2022-04-05 | 广东润得宝科技有限公司 | 一种抗氧化耐磨损的石墨烯机油及其制备方法 |
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