Abstract
Gas permselective packaging film is an emerging material which enables it with gas selective permeation functions so as to keep the preservation atmosphere of inner packages and thus extends the shelf-life of fresh fruits. In this work, Hexamethyldisilazane and Hexamethyldisiloxane were applied as the precursors to comparatively investigate the behavior on the preparation of gas permselectivy film, respectively. Also, Different reaction parameters such as plasma input power, deposition time and monomer proportions were investigated respectively. The film properties were analyzed by Water Contact Anglemeter, Surface Profiler thickness test, Fourier Transform Infrared Spectroscopy (FTIR), water vapor transmission rate test (WVTR) and oxygen transmission rate test (OTR). The results showed that HMDS is better than HMDSO to be the precursor for the formation of gas permselectivity films.The film formed from the monomer of HMDS changed the gas permeability of the film reversely which is more suitable for the preparation of such materials.
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