润滑科技信息平台

埃洛石纳米管(HNT)包裹离子液体(IL)微胶囊、自润滑纤维纺织复合材料及其制备方法和用途

专利摘要

本发明属于润滑材料制备技术领域,具体涉及一种埃洛石纳米管(HNT)包裹的离子液体(IL)微胶囊、自润滑纤维纺织复合材料及其制备方法和用途。本发明中,所述制备方法包括以下步骤:将HNT和饱和脂肪酸碱金属盐分散在水中,将得到的内表面修饰的HNT和IL分散在有机溶剂中,将IL注入到有机溶剂中。将混合分散液中的HNT抽真空,得到IL填充的HNT,将得到的IL填充的HNT用封装材料封装在管端,得到HNT封装的IL微胶囊。 ......

基本信息

专利类型:
发明专利
申请/专利号:
US18/389432
申请日期:
2023-11-14
专利申请人:
分类号:
B01J13/02 ; C10M125/26 ; D06M11/79 ; D06M13/352
发明/设计人:
YANG, MINGMING ， WANG, WENJING ， WANG, YANLING ， ZHANG, ZHAOZHU ， YUAN, JUNYA ， JIANG, WEI ， CHU, FANJIE ， LI, PEILONG
权利要求: 1. A preparation method of a halloysite nanotube (HNT)-encapsulated ionic liquid (IL) microcapsule, comprising the following steps:dispersing a HNT and an alkali metal salt of a saturated fatty acid in water, and selectively modifying an inner surface of the HNT to obtain an inner surface-modified HNT; whereinthe alkali metal salt of the saturated fatty acid is one or more selected from the group consisting of sodium laurate, sodium undecanoate, and sodium myristate; andthe HNT and the alkali metal salt of the saturated fatty acid are at a mass ratio of (0.1-1):1;dispersing the inner surface-modified HNT and an IL in an organic solvent to obtain a mixed dispersion;injecting the IL into the HNT in the mixed dispersion under vacuumizing to obtain an IL-filled HNT; andencapsulating the IL-filled HNT at a tube end with an encapsulating material to obtain the HNT-encapsulated IL microcapsule.2. The preparation method according to claim 1, wherein the HNT has an inner diameter of 12 nm to 20 nm, an outer diameter of 45 nm to 60 nm, and a tube length of 0.2 μm to 2 μm.3. The preparation method according to claim 1, wherein the IL is one or more selected from the group consisting of 1-butyl-3-methylimidazolium hexafluorophosphate, 1-butyl-3-methylimidazolium trifluoromethanesulfonate, and 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide; and the inner surface-modified HNT and the IL are at a mass ratio of 1:(1-5).4. The preparation method according to claim 1, wherein the vacuumizing comprises circulating a vacuumizing unit n times; the vacuumizing unit comprises the following stages sequentially: a vacuumizing stage, a vacuum maintaining stage, and an inflating stage; the vacuum maintaining stage maintains an ambient pressure of 0.01 atm to 0.05 atm for 5 min to 30 min; n is greater than or equal to 3;the vacuumizing stage has a depressurization time of 10 min to 15 min; and the inflating stage has a pressurization time of 10 min to 15 min.5. A HNT-encapsulated IL microcapsule prepared by the preparation method according to claim 1, comprising a HNT and an IL encapsulated in the HNT.6. The HNT-encapsulated IL microcapsule according to claim 5, wherein the HNT has an inner diameter of 12 nm to 20 nm, an outer diameter of 45 nm to 60 nm, and a tube length of 0.2 μm to 2 μm.7. The HNT-encapsulated IL microcapsule according to claim 5, wherein the IL is one or more selected from the group consisting of 1-butyl-3-methylimidazolium hexafluorophosphate, 1-butyl-3-methylimidazolium trifluoromethanesulfonate, and 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide; and the inner surface-modified HNT and the IL are at a mass ratio of 1:(1-5).8. The HNT-encapsulated IL microcapsule according to claim 5, wherein the vacuumizing comprises circulating a vacuumizing unit n times; the vacuumizing unit comprises the following stages sequentially: a vacuumizing stage, a vacuum maintaining stage, and an inflating stage; the vacuum maintaining stage maintains an ambient pressure of 0.01 atm to 0.05 atm for 5 min to 30 min; n is greater than or equal to 3;the vacuumizing stage has a depressurization time of 10 min to 15 min; and the inflating stage has a pressurization time of 10 min to 15 min.9. A self-lubricating fiber textile composite, comprising a self-lubricating textile and a resin and a lubricant additive that are loaded between fibers of the self-lubricating textile, wherein the lubricant additive is the HNT-encapsulated IL microcapsule according to claim 5.10. A self-lubricating fiber textile composite, comprising a self-lubricating textile and a resin and a lubricant additive that are loaded between fibers of the self-lubricating textile, wherein the lubricant additive is the HNT-encapsulated IL microcapsule according to claim 6.11. A self-lubricating fiber textile composite, comprising a self-lubricating textile and a resin and a lubricant additive that are loaded between fibers of the self-lubricating textile, wherein the lubricant additive is the HNT-encapsulated IL microcapsule according to claim 7.12. A self-lubricating fiber textile composite, comprising a self-lubricating textile and a resin and a lubricant additive that are loaded between fibers of the self-lubricating textile, wherein the lubricant additive is the HNT-encapsulated IL microcapsule according to claim 8.13. The self-lubricating fiber textile composite according to claim 9, wherein the self-lubricating textile accounts for 50 wt % to 85 wt % of the self-lubricating fiber textile composite by mass percentage; and the lubricant additive accounts for less than or equal to 3 wt % of the self-lubricating fiber textile composite by mass percentage.14. The self-lubricating fiber textile composite according to claim 10, wherein the self-lubricating textile accounts for 50 wt % to 85 wt % of the self-lubricating fiber textile composite by mass percentage; and the lubricant additive accounts for less than or equal to 3 wt % of the self-lubricating fiber textile composite by mass percentage.15. The self-lubricating fiber textile composite according to claim 11, wherein the self-lubricating textile accounts for 50 wt % to 85 wt % of the self-lubricating fiber textile composite by mass percentage; and the lubricant additive accounts for less than or equal to 3 wt % of the self-lubricating fiber textile composite by mass percentage.16. The self-lubricating fiber textile composite according to claim 12, wherein the self-lubricating textile accounts for 50 wt % to 85 wt % of the self-lubricating fiber textile composite by mass percentage; and the lubricant additive accounts for less than or equal to 3 wt % of the self-lubricating fiber textile composite by mass percentage.17. A preparation method of the self-lubricating fiber textile composite according to claim 9, comprising the following steps:dispersing the lubricant additive in a resin solution to obtain a lubricant additive-resin dispersion;impregnating the self-lubricating textile with the lubricant additive-resin dispersion to obtain a prepreg; andcuring the prepreg to obtain the self-lubricating fiber textile composite.18. A preparation method of the self-lubricating fiber textile composite according to claim 13, comprising the following steps:dispersing the lubricant additive in a resin solution to obtain a lubricant additive-resin dispersion;impregnating the self-lubricating textile with the lubricant additive-resin dispersion to obtain a prepreg; andcuring the prepreg to obtain the self-lubricating fiber textile composite.