Method for preparing silicone rubber super-hydrophobic surface by virtue of n-hexane PDMS zinc oxide

A technology of super-hydrophobic surface and zinc oxide, which is applied in the direction of coating, etc., can solve the problems of insufficient durability, insufficient bonding strength of silicone rubber super-hydrophobic surface, and time limit of super-hydrophobicity maintenance, and achieve high super-hydrophobic performance, good Effects of superhydrophobicity, durability, and ease of application

Inactive Publication Date: 2019-03-19
沈余峰
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Problems solved by technology

In the prior art method, the prepared coating has insufficient bonding strength and insufficient durability for the preparation of the superhydrophobic surface of silicone rubber, so that the maintenance time of superhydrophobicity is limited

Method used

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  • Method for preparing silicone rubber super-hydrophobic surface by virtue of n-hexane PDMS zinc oxide
  • Method for preparing silicone rubber super-hydrophobic surface by virtue of n-hexane PDMS zinc oxide

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Embodiment Construction

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0023] In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", and "top / bottom" are based on the directions shown in the drawings. Or the positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the pointed device or elemen...

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Abstract

The invention discloses a method for preparing a silicone rubber super-hydrophobic surface by virtue of n-hexane PDMS zinc oxide. The method comprises the following steps: weighing 5g of zinc oxide, pouring zinc oxide into a beaker I containing 20ml of an n-hexane solution, and uniformly stirring, so as to obtain a solution defined as a solution 1; weighing 1g of polydimethylsiloxane, pouring polydimethylsiloxaneinto a beaker II containing 5ml of an n-hexane solution, simultaneously adding 0.1g of a PDMS curing agent, and uniformly stirring, so as to obtain a solution defined as a solution 2;uniformly stirring the solution 1 with the solution 2, so as to obtain a solution 3; and uniformly coating a silicone rubber surface with the solution 3, naturally airing, carrying out spraying testing on a silicone rubber insulator surface by virtue of a spraying grading method until relatively circular spheres are formed on the surface of the silicone rubber surface. The method has the beneficial effects that a coating layer is relatively uniform, and the silicone rubber surface can present relatively high super hydrophobicity; and the raw materials adopted in the method are easily availableand environment-friendly, the operation is simple and convenient, and the application is simple and convenient.

Description

Technical field [0001] The invention relates to the technical field of surface treatment, in particular to a method for preparing a superhydrophobic surface of silicone rubber by using n-hexane PDMS zinc oxide. Background technique [0002] Silicone rubber is used as an external insulating material in large-scale applications in power systems. At present, the hydrophobic performance of silicone rubber used in power systems is still not high enough, and the pollution flashover resistance still needs to be improved. In order to improve the pollution flashover characteristics of the silicone rubber surface, the surface of the silicone rubber needs to be treated. In the prior art method, the prepared coating has insufficient adhesion strength and insufficient durability to the superhydrophobic surface of the prepared silicone rubber, which limits the maintenance time of the superhydrophobicity. The purpose of the present invention is to improve the hydrophobicity of the surface of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/04C09D183/04C09D7/61C08L83/04
CPCC08J2383/04C08J2483/04C08K2003/2296C09D183/04C09D7/61C08J7/0427C08K3/22
Inventor 沈余峰饶宏廖一帆晁琛王婷婷高超王国利陈玉强秦元林
Owner 沈余峰
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