Preparation method and system of membrane material

A technology for preparing a system and membrane material, which is applied in the field of controllable preparation of membrane materials, and can solve the problems of controllability of membrane structure and insufficient membrane production efficiency.

Active Publication Date: 2021-04-23
江西省纳米技术研究院
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  • Abstract
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Problems solved by technology

However, there are still some deficiencies in the controllability of the film structure and film production eff

Method used

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  • Preparation method and system of membrane material
  • Preparation method and system of membrane material
  • Preparation method and system of membrane material

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Embodiment Construction

[0029] In view of the deficiencies in the prior art, the inventor of the present case was able to propose the technical solution of the present application after long-term research and extensive practice. The technical solution, its implementation process and principle will be further explained in conjunction with the accompanying drawings as follows.

[0030] In the description of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, use a specific orientation construction and operation, therefore should not be construed as limiting the application. In ...

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Abstract

The invention discloses a preparation method and system of a membrane material. The preparation method of the membrane material comprises the steps of rotating a rotating body, enabling a selected area on the surface of the rotating body to be in contact with a film-forming solution when the selected area rotates to a first position, enabling the film-forming solution to be attached to the selected area to form a liquid membrane, and enabling the liquid membrane to form a membrane material as it continues to rotate with the selected area from the first position to the second position. The controllable preparation of various membrane materials can be realized, the thickness, the area, the components, the structure and the like of the membrane materials are easy to regulate and control, the membrane preparation efficiency is high, and the obtained membrane material is good in quality, low in cost and suitable for the requirement of large-scale production, and particularly has important application value in the field of preparation of high-quality, high-performance or special-performance membranes.

Description

technical field [0001] The application particularly relates to a method and system for preparing a membrane material, which belongs to the technical field of controllable preparation of membrane materials. Background technique [0002] The existing thin film material preparation methods can be divided into two types: dry film production and wet film production, among which wet film production is more widely used. Wet film forming is mainly to make the solution or dispersion of the film-forming substance form a film after removing the solvent. Conventional membrane-making methods include suction filtration, phase separation, and solvent evaporation. Among them, the suction filtration method is suitable for the preparation of thin films with small area and thickness, while the phase separation method requires the participation of a suitable coagulation bath. The solvent evaporation method is more widely used in the field of nanomaterial thin film preparation. It usually incl...

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Application Information

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IPC IPC(8): B01D71/70B01D71/44B01D71/40B01D71/10B01D71/02B01D67/00
Inventor 张永毅刘大鹏王珊李清文
Owner 江西省纳米技术研究院
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