Study on the onset mechanism of bio-blister degradation of polyolefin by diatom attachment in seawater
Hisayuki Nakatani,
Shun Narizumi,
Seiya Okubo
et al.
Abstract:It is essential to develop a mechanism for lowering the molecular weight of polyolefins to achieve biodegradation in seawater. In this study, a polypropylene/polylactic acid blend sample was first subjected to photodegradation pretreatment, and it was confirmed that in pure water, the acid generated promotes the polypropylene degradation (autoxidation), while in alkaline seawater, the promotion was inhibited by a neutralization reaction. In the autoxidation of polyolefins in alkaline seawater, aqueous Cl− was … Show more
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