复合锂基脂制备过程中结构和性能的演变研究  

Variation of Structure and Properties during the Manufacturing Process of Lithium Complex Grease

作　　者：王玉新[1] 金银秀[1] 张昕欣[1] 吴翰桂[1] 王晓波[2] 

机构地区：[1]台州职业技术学院应用生物技术研究所,浙江台州318000 [2]中国科学院兰州化学物理研究所固体润滑国家重点实验室,甘肃兰州730000

出　　处：《摩擦学学报》2015年第4期448-453,共6页Tribology

基　　金：台州市海洋生物资源开发与利用科技创新团队(MBR2014003);浙江省教育厅一般科研项目(Y201533944;Y201432771);台州市科技计划项目1301ky59;1402ky18);台州市博士后科研启动基金项目(2014BSH01)资助~~

摘　　要：为了研究复合锂基脂在制备过程中稠化剂结构和理化性能的演变,采用SEM分别观察取自制备工艺中不同步骤的6个样品的皂纤维结构,并对其滴点、钢网分油和剪切安定性等理化性能进行了检测,另外对不同冷却工艺生产的复合锂基脂产品同样进行了SEM观察和理化性能检测.结果表明:经过高温炼制和冷却降温过程,复合锂皂发生了从固态向液态,又从液态凝结为固态的相转变,形成许多复合皂的晶核,继而生长成皂纤维,再形成三维网络结构.形成致密而均匀皂纤维结构的关键控制步骤为冷却阶段,其中转釜急冷方式是非常有效的一种冷却方式.In order to study the variation of structure and properties in the processing of lithium complex grease, the soap fibers structure of 6 samples from the different step in the preparation process were respectively observed by scanning electron microscopy （SEM）, and their physical and chemical properties were determined. Meanwhile, soap fibers structure of the grease samples from the different cooling process in the production of lithium complex grease were observed by SEM, and their physical and chemical properties were included. Based on the results, it can be concluded that in the process of high -temperature refining and cooling,lithium compound soap changed from solid to liquid, and then condensed liquid to solid state. Many complex soap crystal nucleus were formatted through this phase transition, and then grew to soap fibers, and finally formed a three - dimensional network structure. The key control procedure during the manufacturing process of lithium complex grease was the cooling step, which is beneficial to the development of a dense and uniform fiber three - dimensional network structure. Furthermore, turn kettle quenching was the most effective way.

关 键 词：复合锂基脂 制备工艺 皂纤维 冷却 

分 类 号：TE626.4[石油与天然气工程—油气加工工程]