scholarly journals Construction of ordered porous polymer film and functionality of pore structure via microemulsion template method

2016 ◽  
Vol 62 (6) ◽  
pp. 563-575 ◽  
Author(s):  
Jing LIANG ◽  
GengXin WANG ◽  
Bao LI ◽  
GuiLan ZHANG ◽  
LiXin WU
2009 ◽  
Vol 42 (10) ◽  
pp. 3591-3597 ◽  
Author(s):  
Shiling Zhang ◽  
Shuxue Zhou ◽  
Bo You ◽  
Limin Wu

2016 ◽  
Vol 28 (21) ◽  
pp. 7638-7644 ◽  
Author(s):  
Samuel C. Hess ◽  
Robert N. Grass ◽  
Wendelin J. Stark

Nanoscale ◽  
2014 ◽  
Vol 6 (23) ◽  
pp. 14446-14452 ◽  
Author(s):  
Byung Wan Lim ◽  
Min Chul Suh

We have investigated a simple and cost-effective fabrication method for a porous polymer film employing the spin-coating process during continuous supply of water droplets by an ultrasonic humidifier.


RSC Advances ◽  
2015 ◽  
Vol 5 (85) ◽  
pp. 69339-69347 ◽  
Author(s):  
Qian Wang ◽  
Xingjuan Zhao ◽  
Xiao-Kai Zhang ◽  
Yong-Ill Lee ◽  
Hong-Guo Liu

A porous polymer film was fabricated at a liquid/liquid interface that can be used as a matrix to form various composite films.


2019 ◽  
Vol 43 (13) ◽  
pp. 5109-5115
Author(s):  
Wenlong Yu ◽  
Shitao Yu ◽  
Junwei Ding ◽  
Qiuzhen Cheng ◽  
Fusheng Liu

Mesoporous carbon (MC) was prepared by the nano-MgO template method and used as a support for the preparation of a Pt-based reductive alkylation catalyst.


2012 ◽  
Vol 602-604 ◽  
pp. 1355-1358
Author(s):  
Ren Chun Yang ◽  
Feng Yun Ma ◽  
Ding Xing Tang

To construct 3D ordered hierarchical materials, Si, Al and Ti colloids precursors were controlled prepared via dual template method in which the colloidal crystals and P123 acted as hard-template and soft-template, respectively. The results showed that ordered hierarchical SiO2, Al2O3 and TiO2 were successfully prepared. The difference of the structure of samples suggested that hydrolysis rate of the precursors play an important role on pore structure of the samples.


Author(s):  
Kanako Emori ◽  
Tatsuma Miura ◽  
Akio Yonezu

Abstract This study investigates the deformation behavior of porous polymer materials with 3D random pore structure. The test sample has sub-micron-sized pores with an open cellular structure, which plays a critical role for water purification. The base polymer is PVDF (polyvinylidene difluoride). First, the surface and cross section of the sample are observed using FESEM to investigate the microstructure (cell size and geometry of the cell ligament, etc). Next, uni-axial tensile loading is carried out for polymeric membrane and it is found that the membranes underwent elasto-plastic deformation. In order to establish a numerical model, finite element metod (FEM) is employed. Using a software of Surface Evolver, 3D random pore structure is created in the representative volume element (RVE). The established computational model can predict both elastic deformation and plastic deformation. Furthermore, viscoplastic deformation behavior (i.e. time-dependent deformation and creep deformation) is investigated, experimentally and numerically. In particular, creep compliance is measured, and we investigate the effect of applied loading on creep deformation behavior. Using the time–temperature–stress superposition principle (TTSSP), we obtain a new master curve, which covers higher stress level, and successfully establish an FEM model of creep deformation of the test sample. The present model enables the prediction of the macroscopic and microscopic deformation behavior of the porous materials, by taking into account of 3D random pore structure.


2020 ◽  
Vol 3 (5) ◽  
pp. 4983-4994 ◽  
Author(s):  
Ali Enis Sadak ◽  
Erman Karakuş ◽  
Yurii M. Chumakov ◽  
Nesibe A. Dogan ◽  
Cafer T. Yavuz

2013 ◽  
Vol 357-360 ◽  
pp. 998-1003 ◽  
Author(s):  
Jian Ping Xiong ◽  
Jia Xi Deng ◽  
Wang Hao ◽  
Run Pu Qin

The Modification mechanism of the Polymer Modified Cement Concrete was studied by the DTA,SEM and MIP with the confirmation of lab test results. The research indicated: the more dosage of the polymer, the less content of the Ca(OH)2 in the Cement hydrated product. The pore structure was improved evidently simultaneously. The polymer film tend to more complete and interweaved with Hydration products. Therefore the netted structure was formed and the flexiblity of concrete was increase greatly. Lab test results also proved it:when continued adding the polymer, the performance of concrete improved remarkably.


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