Porous Structures of Polymer Films Prepared by Spin Coating with Mixed Solvents under Humid Condition

Langmuir ◽  
2006 ◽  
Vol 22 (10) ◽  
pp. 4594-4598 ◽  
Author(s):  
Min Soo Park ◽  
Wonchul Joo ◽  
Jin Kon Kim
1998 ◽  
Vol 38 (12) ◽  
pp. 2039-2045 ◽  
Author(s):  
David B. Hall ◽  
Patrick Underhill ◽  
John M. Torkelson

2013 ◽  
Vol 13 (4) ◽  
pp. 3016-3019
Author(s):  
Zhenzhao Pei ◽  
Xia Zhang ◽  
Xiang Gao

2004 ◽  
Vol 856 ◽  
Author(s):  
Tong Liu ◽  
Rahmi Ozisik ◽  
Richard W. Siegel

ABSTRACTNanoporous polymer films have been prepared using immiscible blends of polyetherimide (PEI) and poly(caprolactone diol) (PCLD). The films were prepared by spin-coating from a common solvent — dichloromethane (DCM). To create the nanoporous films, PCLD was removed by immersing the films in acetone, which dissolves PCLD only. Field emission scanning electron microscopy was used to study the porous structure. The pore structure of the films was affected by many factors such as composition of the blend, molecular weight, and various processing parameters. The formation of nanometer size pores was mainly due to the fast phase separation process during spin-coating. The pore size and pore size distribution was found to depend on the blend composition.


2012 ◽  
Vol 45 (4) ◽  
pp. 265-271 ◽  
Author(s):  
Shohei Yasumatsu ◽  
Hirotaka Ishizuka ◽  
Koichi Nakaso ◽  
Patience Oluwatosin Babatunde ◽  
Jun Fukai

2020 ◽  
Vol 264 ◽  
pp. 116378
Author(s):  
Nidhi Yadav ◽  
Kshitij Bhargava ◽  
Nikita Kumari ◽  
Shyam S. Pandey ◽  
Vipul Singh

2011 ◽  
Vol 109 (7) ◽  
pp. 076105 ◽  
Author(s):  
Jelle Wouters ◽  
Oleg I. Lebedev ◽  
Gustaaf Van Tendeloo ◽  
Hitoshi Yamada ◽  
Norio Sato ◽  
...  

2017 ◽  
Vol 21 (12) ◽  
pp. 811-823 ◽  
Author(s):  
Aneta Slodek ◽  
Günter Schnurpfeil ◽  
Dieter Wöhrle

A series of peripheral and axial substituted germanium(IV) and tin(IV) phthalocyanines substituted by fluoro, chloro, nitro or phenoxy groups were prepared and characterized by their absorption spectra in solution and in polymer matrices. Multi-layer films of PMMA and PVC containing monomolecular Ge(IV) or Sn(IV) phthalocyanines were obtained by spin-coating from solution on glass plates. Optical limiting properties of these phthalocyanines in solution and in polymer films were investigated using the Z-scan technique at 532 nm. A known indium(III) phthalocyanine was also investigated to compare its optical limiting behavior with the Ge(IV) and Sn(IV) containing compounds. Ge(IV) and Sn(IV) phthalocyanines exhibit a better optical limiting performance in polymer matrices than in solution, which is interesting for practical applications.


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