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Method used for preparing bionic ultra-smooth surface with self repairing performance at room temperature

A self-healing, room-temperature technology, applied in the field of marine biofouling prevention and control, can solve problems such as hindering practical application, complicated preparation methods, stimulation, etc., and achieve the effects of inhibiting bacterial surface adhesion, easy access to raw materials, and energy saving

Inactive Publication Date: 2019-06-14
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, some researchers have prepared biomimetic super-slippery surfaces with self-healing lubricating oil films or self-healing substrates, but their practical applications are hindered by the disadvantages of complex preparation methods or the need for external stimuli to achieve self-healing.

Method used

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  • Method used for preparing bionic ultra-smooth surface with self repairing performance at room temperature
  • Method used for preparing bionic ultra-smooth surface with self repairing performance at room temperature
  • Method used for preparing bionic ultra-smooth surface with self repairing performance at room temperature

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Embodiment 1

[0028] 1) Ring-opening polymerization of lipoic acid: Add 4.0127g TA into a glass vial and heat in an oil bath at 90°C for 50min until lipoic acid becomes a transparent low-viscosity liquid.

[0029] 2) Preparation of cross-linked polymer: at a temperature of 90°C and a stirring speed of 900 rpm, 868 μL of DIB was added to the transparent low-viscosity liquid obtained above, reacted for 15 minutes, and then added 2.431×10 - 5 mol of ferric chloride, and continue to react for 15 minutes to obtain a cross-linked polymer.

[0030] 3) Preparation of bionic super-slippery surface: at a temperature of 90°C and a stirring speed of 1600 rpm, add 1500 μL of dodecane to the cross-linked polymer obtained above, continue stirring and mixing for 30 minutes, pour the mixture into a mold, and cool to room temperature , that is, a biomimetic super-smooth surface.

[0031] Place the above-mentioned obtained bionic ultra-slippery surface at room temperature (see figure 1 ),Depend on figure ...

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Abstract

The invention relates to a method used for preventing and treating marine organism fouling, and more specifically relates to a method used for preparing a bionic ultra-smooth surface with self repairing performance at room temperature. The method comprises following steps: thioctic acid (TA) is heated for ring-opening polymerisation reaction so as to obtain linear poly thioctic acid; 1,3-diisopropenylbenzene (DIB) and a metal chloride are added successively for crosslinking reaction so as to obtain a crosslinked polymer; n-alkanes are added into the crosslinked polymer, and cooling to room temperature is carried out so as to obtain the bionic ultra-smooth surface. According to the bionic ultra-smooth surface, substrate material self repairing is realized at room temperature through the co-effect of hydrogen bonds, metal-ligand coordination effect, and disulfide bonds in a substrate, and cold precipitated n-alkanes are capable of providing an interface with ultra-smooth capacity; the ultra-smooth surface possesses potential capacity in inhibition bacteria adhesion on the surface; and the self repairing function of the substrate is capable of prolonging service life of the bionic ultra-smooth surface in prevention of biological fouling.

Description

technical field [0001] The invention relates to a method for preventing and controlling marine biological fouling, in particular to a method for preparing a bionic super-slippery surface with self-repairing performance at room temperature. Background technique [0002] The attachment of marine biofouling to the surface of underwater equipment will cause serious pollution to ships, offshore oil platforms and other underwater equipment, shortening their service life; at the same time, it will also increase the navigation resistance of ships and other mobile equipment, which will lead to an increase in fuel consumption , making environmental pollution worse. Therefore, marine biofouling will hinder social development, and effective prevention and control of marine biofouling has become a problem that society must pay attention to and solve. [0003] There are two main ideas to prevent and control marine biofouling, one is to degrade or kill biofouling substances, and the other...

Claims

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Application Information

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IPC IPC(8): C08L51/08C08K5/01C08F283/00C08F212/34
Inventor 梁远振王鹏张盾
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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