A large amount of propellant materials are produced every year,and storage and disposal of these propellant materials seriously contributes to environmental *** terminated polybutadiene with urethane segments(pupb)is ...
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A large amount of propellant materials are produced every year,and storage and disposal of these propellant materials seriously contributes to environmental *** terminated polybutadiene with urethane segments(pupb)is the macromolecule backbone of these propellant materials,and degradation of pupb is central to the eco-friendly treatment of propellant *** this study,we isolated a polyurethane(PU)-and pupb-degrading fungus from soils contaminated with rocket propellant,and the fungus H14 was identified as Fusarium solani(Mart.)*** on macro-and micro-morphology as well as phylogenetic *** ability of *** H14 to degrade PU film and pupb patches was evaluated via mass loss,scanning electron microscopy(SEM)and enzyme production *** loss analyses revealed a 25.8%reduction in mass of PU and 1.3%reduction in mass of pupb after *** H14 was incubated with PU and pupb for 90 days,*** found that *** H14 mycelia significantly colonized both PU and *** images showed that the surface of PU films and pupb patches formed holes,underwent folding and experienced damage as well as irregular fissuring from the erosion of fungal ***,two possible degradative enzymes,lipase and esterase,were produced by *** study opens a new avenue of research for eco-friendly treatments of explosive materials and *** paper represents the first article on the degradation of pupb patches.
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