Preparation method of polymer film with periodic nano-structure and template used by same

A polymer film and nanostructure technology, applied in the field of polymer film preparation, can solve the problems of high cost, time-consuming, low repeatability, etc., and achieve the effects of low cost, major economic benefits, and high repeatability

Inactive Publication Date: 2010-10-27
SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] The technical problem to be solved by the present invention is to overcome the defects of low repeatability, high cost and long time-consuming of the existing method for preparing periodic nanostructured polymer membranes, and to apply the traditional solutio

Method used

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  • Preparation method of polymer film with periodic nano-structure and template used by same
  • Preparation method of polymer film with periodic nano-structure and template used by same
  • Preparation method of polymer film with periodic nano-structure and template used by same

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0041] Example 1

[0042] Preparation template:

[0043] 1. Use vapor deposition method to deposit mist-like gold on a 1mm×1mm glass plate, so that the thickness of the metallographic phase is 1200nm; the height of the glass plate is 0.5mm;

[0044] 2. Use the soft X-ray of the synchronous light source to etch the metallography from the angle perpendicular to the glass plate. The etching is controlled by a program. The first ray is emitted to etch the gold bar of 150×1200nm, the ray source moves 150nm, and the second ray is emitted, and so on, the final template with a stripe width of 150nm and a stripe spacing of 150nm is obtained. The soft X-ray synchronous light source is provided by the synchronous light source of the University of Science and Technology of China.

Example Embodiment

[0045] Example 2

[0046] Select a silicon wafer of 1mm×1mm, and use the soft X-ray of the synchronous light source to etch the metallography from the angle perpendicular to the glass plate. The etching is controlled by a program. The first ray is emitted to etch a 20×1200nm silicon wafer, the ray source is moved 20nm, and the second ray is emitted, and so on, the final template with a stripe width of 20nm and a stripe spacing of 20nm is obtained. The soft X-ray synchronous light source is provided by the synchronous light source of the University of Science and Technology of China.

[0047] The templates used in the following implementations are all prepared by the method of Example 1.

Example Embodiment

[0048] Example 3 Polyethersulfone (PES) polymer membrane with periodic nanostructure (membrane 1)

[0049] Weigh 1 gram of polyethersulfone (weight average molecular weight: 800,000) (PES) powder with an electronic balance, with a particle size of 0.2 mm. Put the weighed powder into a 150ml Erlenmeyer flask, add N-methylpyrrolidone (NMP) to the total weight of the solution to 100g, then place the solution in a common oven at 60 degrees Celsius to heat and dissolve for 3 days to prepare a casting liquid (The concentration of the casting liquid is 1%). After the obtained casting liquid is allowed to stand still and degassed, 1 mL of the casting liquid is sucked with a pipette and dropped onto the silicon wafer template. At a speed of 100 rpm on a homogenizer, spin coating for 600 s at a speed of 100 rpm to form a film. The spin-coated film (together with the silicon wafer template) is placed in an ordinary oven at 60 degrees Celsius and dried to a constant weight to obtain a dry ...

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Abstract

The invention discloses a preparation method of a polymer film with a periodic nano-structure, which comprises the following steps that: (1) a polymer material is dissolved in an organic solvent by heating to obtain a mold casting liquid; (2) the mold casting liquid is dripped on the template, and a wet polymer film is prepared on the template by a spin-coating method; (3) the organic solvent in the wet polymer film is removed until the weight of the polymer film is constant, and then a dry polymer film is obtained; and (4) the dry polymer film is removed from the template in deionized water by ultrasonic vibration, and then the product of the invention is obtained. The invention also provides a template used in the preparation method of the polymer film with the periodic nano-structure. The preparation method of the polymer film with the periodic nano-structure has good repetitiveness and fast preparation speed, and is easy and economical.

Description

technical field [0001] The invention relates to a preparation method of a polymer film and a used template, in particular to a preparation method of a polymer film with a periodic nanostructure and a used template. Background technique [0002] As a research object, the polymer membrane with nanopattern structure is widely used in biology and bionics research. [0003] In order to investigate the influence of the chemical structure of the substrate and the pattern shape on the migration and division behavior of certain cells, Literature 1 reported (Wang Xuefeng et al.) using a polarized laser with a wavelength of 266nm to treat polystyrene films to obtain simultaneous Methods of polymer films with different nanopattern patterns and hydrophilic and hydrophobic properties, etc. [0004] Document 2 uses electron beam micro-exposure technology, and uses electron beam focusing and direct writing to etch patterns with a precision less than 200nm. [0005] In addition, there are ...

Claims

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Application Information

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IPC IPC(8): C08J5/18
Inventor 李景烨黄庆邓波于洋吕敏
Owner SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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