[보고서]향상된 상분리법으로 제조된 벌집구조 박막의 전자빔 가교를 통한 분리막의 제조에 관한 연구

최호석

향상된 상분리법으로 제조된 벌집구조 박막의 전자빔 가교를 통한 분리막의 제조에 관한 연구
Studies on the preparation of the membrane through the electron beam cross-linking of the honeycomb structure film prepared by an improved phase separation method 원문보기

보고서 정보
주관연구기관	충남대학교 Chungnam National University
연구책임자	최호석
참여연구자	부반티엔 , 오효준 , 김지수 , 진익규 , 윤석우 , 이우열 , 알렉시 , 이병철
보고서유형	1단계보고서
발행국가	대한민국
언어	한국어
발행년월	2016-05
과제시작연도	2015
주관부처	미래창조과학부 Ministry of Science, ICT and Future Planning
등록번호	TRKO201700009782
과제고유번호	1711025942
사업명	원자력연구기반확충사업
DB 구축일자	2017-11-04
키워드	향상된 상 분리법.벌집구조.전자빔 가교.마이크로 동공.분리막.improved phase separation.honeycomb pattern.E-beam crosslink.micro pore.membrane.
DOI	https://doi.org/10.23000/TRKO201700009782

초록 ▼

본 연구에서는 전자빔 가교를 통해 향상된 상분리 방법으로 제조된 마이크로 동공을 가지는 고분자 필름의 기계적, 화학적 안정성 향상을 목적으로 수행하여 다음의 세부 목표를 달성하였다.
- 향상된 상분리 방법을 통한 벌집구조 고분자 제조: 용매:비용매=90:10; dipping speed:50 mm/min; withdrawing speed:60 mm/min; retention time: 5 sec
- 벌집구조의 모폴로지 제어(동공크기, 동공수밀도 등): 상대습도:50%; 대기온도:20℃; 고분자용액농도: 15 wt%
- 전자빔 조사를 통한 고분자필름 가교 조건 최적화: 조사에너지: 0.2 MeV; 조사시간: 60 min
- 가교된 고분자필름의 화학적/기계적 안정성 평가: 용매안정성: Chloroform soaking; 열안정성: 250℃, 2 hr
(출처: 보고서 요약서 3p)

Abstract ▼

IV. Results
- Optimum conditions for fabricating honeycomb film with highly ordered hexagonal structure: solvent:non-solvent=90:10; dipping speed:50 mm/min; withdrawing speed:60 mm/min; retention time: 5 sec.
- Optimum condition for controlling surface morphology of the honeycomb film: relative humidity: 50%; ambient temperature:20℃; polymer solution concentration: 15 wt%
- Optimum cross-linking condition of the honeycomb PS film by using E-Beam irradiation: energy:0.2 MeV; time: 60 min
- Examination of thermal stability and solvent resistivity of cross-linked PS honeycomb film: solvent resistance: chloroform soaking passed; thermal stability: stable at 250℃ for 2 hr
(출처: Summary 6p)

목차 Contents

표지 ... 1
제 출 문 ... 2
보고서 요약서 ... 3
요 약 문 ... 4
SUMMARY ... 6
CONTENTS ... 8
목차 ... 9
제1장 연구개발과제의 개요 ... 10
제 1 절. 연구개발의 필요성 ... 10
제 2 절. 최종 목표 ... 14
제2장 국내외 기술개발 현황 ... 15
제 1 절. 연구개발 대상 기술의 국내·외 현황 ... 15
제 2 절. 연구결과가 국내·외 기술개발현황에서 차지하는 위치 ... 18
제3장 연구개발수행 내용 및 결과 ... 21
제 1 절. 당초 연구 목표 및 연차점검의 주요 착안점 ... 21
제 2 절. 연구범위 및 연구수행 방법 ... 22
제 3 절. 연구수행 내용 및 결과 ... 25
제4장 목표달성도 및 관련분야에의 기여도 ... 37
제5장 연구개발결과의 활용계획 ... 38
제 1 절 연구개발결과의 활용방안 ... 38
제 2 절 기대성과 ... 38
제6장 연구개발과정에서 수집한 해외과학기술정보 ... 39
제7장 연구장비의 구축 및 활용 결과 ... 40
제8장 참고문헌 ... 41
끝페이지 ... 44

표/그림 (34)

표 Schematic diagram of honeycomb patterned thin film formation using an improved phase separation method
표 Schemes illustrating (a) the methanol accumulation induced the formation of the gel-like layer and (b) the origin of the lateral capillary forces induced via deformation of the solution surface when the film is thin
표 Schemes illustrating the fabrication of a micro-porous membrane via an improved phase separation method. FESEM images present (a) a wrinkled membrane and (b) a membrane covering over a dust. Scale bars are 20 μm
표 FESEM images of the film surfaces prepared with various solvent/non-solvent volume ratios of (a) 100/0, (b) 90/10, (c) 85/15, and (d) 80/20. The inset in each image is the corresponding FFT pattern. Scale bar: 5 μm
표 Scheme representing fabrication of robust membrane by combining method of IPS and E-Beam crosslinking
표 Scheme explaining the crosslinking mechanism of PS, which is primarily attributed to the formation of macro-radicals as crosslink agents induced by hydrogen abstraction
표 Schematic diagram of breath figure method
표 Polymer-Solvent-Nonsolvent ternary phase diagram for applying NIPS
표 SEM and AFM image of a typical honeycomb patterned film prepared with a solvent/non-solvent volume ratio of 85/15 at (a) low magnification, (b) high magnification with an inserted FFT pattern, (c) a tilt angle of 60 􌦙, (d) an AFM image and (e) AFM cross section analysis. The red line in (d) indicates the location of cross section (e)
표 Schemes illustrating the fabrication of a microporous membrane via an improved phase separation method. FESEM images present (a) a wrinkled membrane and (b) a membrane covering over dust. Scale bars are 20 μm
표 (Left) FESEM images of the crosslinked honeycomb films: (a) top-view image after 6 h of UV irradiation; (b) cross-sectional image after 6 h of UV irradiation; (c, d) honeycomb film surface after 6 h of UV irradiation followed by soaking in chloroform and acetone, respectively; and (e, f) honeycomb film surface after 6 h of UV irradiation followed by heating to 250 C: (e) top-view and (f) tilted 30. The scale bars in (a, c, d, e) are 3 mm and (b, f) are 1 mm. (Right) TGA plot of the PS honeycomb films before (black) and after (red) the 6 h UV irradiation
표 A schematic diagram of the radiation-induced crosslinking of PCL/POSS nanocomposites
표 Photograph (a) presents the large-scale fabrication of the honeycomb film. Here, (b-g) present the surface morphologies of the typically patterned films prepared with a solvent/non-solvent volume ratio of 85/15 under an ambient air environment (i.e. relative humidity of 55% and temperature of 23 °C): (b) a low magnification FESEM image with the FFT pattern in the inset, (c) a high magnification FESEM image, (d) a cross-sectional FESEM image, (e, f) 2D and 3D AFM images, respectively, and (g) a cross-sectional profile of (e). The inset of (c) is a FESEM image of the patterned pincushion film. The red line in (e) indicates the location of the cross-sectional profile
표 Wetting properties of the patterned films prepared with various compositions of solvent/non-solvent pairs. The photograph on the right represents the high adhesion force between the droplet and patterned surface
표 FESEM images of the patterned film surfaces prepared using solvent/non-solvent mixtures with different volume ratios of (a) 100/0, (b) 95/5, (c) 90/10, and (d) 85/15. The inset in each image is the corresponding FFT pattern. Others conditions were kept constant with the temperature of 20 C and the relative humidity (RH) level of 60%. The scale bars are 10 mm
표 (Top) Preparation of porous structure; (Bottom-Left) Photograph representing fabrication of honeycomb patterned film; (Bottom-Middle) Surface and cross-sectional morphology of honeycomb pattered film; (Bottom-Right) 2D and 3D AFM images
표 FESEM images of the patterned film surfaces prepared using solvent/non-solvent mixtures with different volume ratios of (a) 100/0, (b) 95/5, (c) 90/10, and (d) 85/15. The inset in each image is the corresponding FFT pattern. Others conditions were kept constant with the temperature of 20℃ and the relative humidity (RH) level of 60%. The scale bars are 10 mm
표 Effect of methanol content on the mean pore diameter, standard deviation of the pore diameters, number density, and entropy
표 FESEM images of the dependence of the pore size and pattern on the relative humidity, temperature, and polymer concentration
표 Plot of the dependence of the pore sizes (red spheres) and pore number density (green triangles) on the methanol content, relative humidity, temperature, and polymer concentration. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
표 Effect of experimental conditions on the entropy
표 Figure 19. Back-side of perforated membrane
표 Membrane covered on a dust
표 SEM image of surface morphology after E-Beam irradiation
표 Change of surface wetting property after E-Beam irradiation
표 ATR-FTIR spectra of pristine and crosslinked PS film
표 TGA plots of pristine and crosslinked PS film
표 Solvent resistance examined by soaking honeycomb film in chloroform which is a good solvent for PS
표 Effect of E-beam dose rate and irradiation time on the crosslinking degree of poly
표 Summary of solvent resistance with respect to the E-beam exposure conditions
표 The thermal stability of the crosslinked films characterized via heating to 250 ℃ on a hot stage in air. The temperature was increased at a rate of 10 ℃/min and maintained at 250 ℃ for 2 h
표 SEM image of surface morphology after Ion-Beam irradiation
표 Potential uses for honeycomb patterned film with different pore size
표 Some reported honeycomb patterned film from PS and PS derivatives

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