Journal
MEMBRANES
Volume 11, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/membranes11110834
Keywords
mesoporous polymer materials; ultra-high-molecular-weight polyethylene; environmental crazing; water vapor permeability; breathable materials; polymeric membranes
Categories
Funding
- Russian Foundation of Basic Research [20-03-00541_a]
- Russian Science Foundation [20-13-00178]
- Russian Science Foundation [20-13-00178] Funding Source: Russian Science Foundation
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The study developed a facile and sustainable strategy for preparing porous nanostructured materials based on ultra-high-molecular-weight polyethylene (UHMWPE) via environmental intercrystallite crazing, which exhibit high permeability and excellent mechanical properties.
The development of new porous polymeric materials with nanoscale pore dimensions and controlled morphology presents a challenging problem of modern materials and membrane science, which should be based on scientifically justified approaches with the emphasis on ecological issues. This work offers a facile and sustainable strategy allowing preparation of porous nanostructured materials based on ultra-high-molecular-weight polyethylene (UHMWPE) via the mechanism of environmental intercrystallite crazing and their detailed characterization by diverse physicochemical methods, including SEM, TEM, AFM, liquid and gas permeability, DSC, etc. The resultant porous UHMWPE materials are characterized by high porosity (up to similar to 45%), pore interconnectivity, nanoscale pore dimensions (below 10 nm), high water vapor permeability [1700 g/(m(2) x day)] and high gas permeability (the Gurley number similar to 300 s), selectivity, and good mechanical properties. The applied benefits of the advanced UHMWPE mesoporous materials as efficient membranes, breathable, waterproof, and insulating materials, light-weight materials with reduced density, gas capture and storage systems, porous substrates and scaffolds are discussed.
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