Making inert polypropylene fibers chemically responsive by combining atomic layer deposition and vapor phase chemical grafting |
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Authors: | Peng Qing Gong Bo Parsons Gregory N |
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Affiliation: | Department of Chemical and Biomolecular Engineering, North Carolina State University, NC 27695, USA. qpeng@anl.gov |
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Abstract: | Uniformly grafting organic reactive molecular species, e.g. -NH?, onto substrates that have three-dimensional complex structures and are chemically inert is challenging. The vapor phase chemical grafting of organic molecules enabled by low temperature metal oxide atomic layer deposition (ALD) is presented as a general and promising solution to functionalize inert matrices with complex morphology, such as nonwoven polypropylene mats, through the controllable self-limited molecular assembly mechanism in a combined ALD and vapor phase chemical grafting process. |
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