Super-hydrophobic material and method for preparing super-hydrophobic material by using in-situ polymerizing method

Abstract

The invention relates to a super-hydrophobic material prepared by an in-situ polymerizing method and a preparation method thereof. The preparation method comprises the following steps of dissolving a hydrophobic ion liquid or an ion compound with styrene groups into an organic solvent, fully mixing and dispersing with micro-nano particles, and impregnating a substrate material into the solution; then, fetching out the substrate, putting into an oven, generating in-situ heat polymerizing reaction at certain temperature, and reacting for a period of time, so as to obtain the super-hydrophobic material. The preparation method has the advantages that the preparation technology is simple, the cost of raw materials is low, and the obtaining is easy; the special instrument equipment is not needed, the utilization rate of atoms is 100%, and the super-hydrophobic material can be widely applied to any substrate; the durability is higher, and the super-hydrophobic material can be applied to complicated separating environments; the prepared super-hydrophobic material also has the super-oleophylic characteristic, can be prepared in a large-scale way, and can be used for separating oil from water.

Description

technical field [0001] The invention specifically relates to a method for preparing superhydrophobic materials based on in-situ thermal polymerization of hydrophobic ionic liquids or ionic compounds with styrene groups. Background technique [0002] With the increase of oil demand and the improvement of industrialization, the research of oil-water separation technology is of great significance to improve the quality of water and oil. In recent years, biomimetic superhydrophobic materials have attracted extensive attention due to their special surface wettability. Superhydrophobicity is a special kind of surface wettability. A superhydrophobic surface refers to a surface that is repellent to water and aqueous solutions. Water droplets cannot slide and spread on the surface and maintain a spherical rolling shape, thereby achieving the effect of rolling and self-cleaning. The lotus leaf in nature is a typical representative of this material. Superhydrophobic materials are wi...

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Problems solved by technology

[0003] Currently disclosed methods include plasma technology combined with spraying methods to form a coating on the surface substrate (Chinese patent CN 105969174 A), and impregnate the surface with polycation electrolyte aqueous solution and polydimethylsiloxane solution (Chinese patent CN 106215461 A), depositing polydopamine and nano-silver particles (Chinese patent CN 104562709 A), using expensive low surface energy substances such as fluoride (Chinese patent CN 104213108 A), sol-gel method (Chinese patent CN105544187 A), etc., but At present, these methods for preparing superhydrophobic materials have problems such as complicated preparation process, high cost, and poor durability.

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