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Preparation method and application of inorganic oxide and shape memory epoxy resin nanometer composite column array

A technology of inorganic oxides and epoxy resins, applied in the direction of coating, etc., can solve the problems of loss, microstructure vulnerable to external force damage, etc.

Active Publication Date: 2018-08-21
HARBIN INST OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the ultra-hydrophobic to super-hydrophilic inorganic oxide or inorganic and organic composite surface caused by ultraviolet light is easily damaged by external force and loses the super-hydrophobic to super-hydrophilic function caused by ultraviolet light. To solve the problem, a preparation method and application of nanocomposite pillar arrays of inorganic oxide and shape memory epoxy resin are provided. The method is to compound the shape memory epoxy resin with ultraviolet light responsive inorganic oxide particles The resulting array is capable of wettability switching induced by UV light and the microstructure is self-healing

Method used

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  • Preparation method and application of inorganic oxide and shape memory epoxy resin nanometer composite column array

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specific Embodiment approach 1

[0020] Specific Embodiment 1: This embodiment describes a preparation method of an inorganic oxide and shape-memory epoxy resin nanocomposite column array. The method includes the following steps:

[0021] Step 1: Preparation of polydimethylsiloxane (PDMS) template: First, use photolithography to carve a regular array of convex silicon pillars. The length, width, and height of a single pillar are 10 μm, 10 μm, and 10~30 μm, respectively. , the column array spacing is 5μm~30μm, followed by the preparation of polydimethylsiloxane (PDMS) glue, in the glue, the mass ratio of polydimethylsiloxane (PDMS) to curing agent is 9~12:1 , using the convex silicon pillar array as the initial template to cast and shape it, and after curing at 60~85°C for 2~4 h, the concave polydimethylsiloxane with the same size and spacing as the convex silicon pillar array was obtained alkane (PDMS) template;

[0022] Step 2: Preparation of inorganic oxide and shape memory epoxy resin composite column arr...

specific Embodiment approach 2

[0024] Specific embodiment two: the preparation method of a nanocomposite column array of inorganic oxide and shape memory epoxy resin described in specific embodiment one, in step two, the epoxy resin is epoxy resin E51 or epoxy resin E44, the curing agent is a mixed curing agent of n-octylamine and dodecylamine and m-xylylenediamine, and the mixing mass ratio of n-octylamine or dodecylamine to m-xylylenediamine is 0.5~2: 1 .

specific Embodiment approach 3

[0025] Specific embodiment three: the preparation method of an inorganic oxide and shape memory epoxy resin nanocomposite column array described in specific embodiment one, in steps two and three, the inorganic oxide nanoparticles are TiO 2 , ZnO or WO 3 .

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Abstract

The invention relates to a preparation method and application of an inorganic oxide and shape memory epoxy resin nanometer composite column array, and belongs to the technical field of preparation ofan intelligent regulation and control surface infiltration material. The method comprises the following steps: preparing a polydimethylsiloxane template; preparing an inorganic oxide and shape memoryepoxy resin composite column array; preparing the inorganic oxide and shape memory epoxy resin nanometer composite column array. The prepared inorganic oxide and shape memory epoxy resin nanometer composite column array is applied to intelligent regulation and control of surface infiltration. The preparation method and the application of the inorganic oxide and shape memory epoxy resin nanometer composite column array have the following advantages: the inorganic oxide and shape memory epoxy resin nanometer composite column array, which is prepared based on compounding shape memory epoxy resinand inorganic oxide particles, has a reversible transformation function from ultraviolet caused superhydrophobicity to super-hydrophilicity, also has a microstructure self-repairing function and effectively solves the problem that the inorganic oxide and organic composite surface microstructures are easy to damage to lose the function of transforming from superhydrophobicity to super-hydrophilicity.

Description

technical field [0001] The invention belongs to the technical field of preparation of intelligently regulated surface wettability materials, and specifically relates to a preparation method of an inorganic oxide and shape-memory epoxy resin nanocomposite column array with ultraviolet light-induced wettability conversion and self-repairable microstructure and its application. Background technique [0002] In recent years, due to the broad application prospects of smart surfaces with reversible wettability conversion in the fields of controllable oil-water separation, bioengineering, and smart chips, researchers have conducted a lot of research on this. At present, the methods for preparing these intelligent responsive surfaces such as light, heat, and electricity are mainly through the construction of hierarchical microstructures and the combination of intelligent responsive materials. However, for inorganic oxides, inorganic and organic composite surfaces whose surface is c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/06C08L63/00C08K3/22B29C39/02
CPCB29C39/02C08J7/06C08J2363/00C08K2003/2241C08K2003/2258C08K2003/2296C08K2201/011
Inventor 刘宇艳康红军成中军胡栋栋
Owner HARBIN INST OF TECH
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