聚苯乙烯泡沫塑料(PSF)的广泛应用已经造成了严重的环境问题.文中综述了废聚苯乙烯泡沫塑料回收与综合利用研究最新进展,包括生物降解法、物理再生法、裂解回收法和化学改性法等四方面内容,展望了PSF回收利用技术研究的发展方向.
Polystyrene foam plastic(PSF) has been widely used as packaging materials due to its excellent characteristics such as thermal insulation, soundproof, moistureproof, acid and alkali resistance as well as light mass and low price.However, it has also caused severe environmental pollution.In this paper, studies of recycling and comprehensive utilization of waste PSF were reviewed.Four aspects, including biodegradation, physical regeneration, pyrolysis and chemical modification, were presented.Reducing waste of non-renewable resources and realizing sustainable development are the final objectives.
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