
The Science of The Total Environment, Год журнала: 2025, Номер 976, С. 179371 - 179371
Опубликована: Апрель 9, 2025
Polymer coated controlled release fertilisers can mitigate nutrient pollution by aligning to plant demand, thereby reducing losses, fertiliser application and potentially increasing yields. However, most current commercial products use polymers that do not readily degrade. This of non-degradable plastics coat is being phased out, opening new opportunities develop commercialise truly biodegradable coating alternatives. the technical challenge substantial. The needs eventually fully mineralise, leaving no microplastic legacy, yet it must also maintain good mechanical barrier properties for extended periods. work presents first effort a polymer material selection tool guide as coatings based on polymers' known considerations. Using mechanistic model, relationship was established between elongation required avoid rupture water vapour permeability (WVP) coating. Then, broad list commercially available assembled literature data their WVP at break collated. By comparing this model outcomes, likely achieve long term were shortlisted. further condensed setting maximum price minimum global production capacity viability. We have shortlisted polycaprolactone, polyurethane natural rubber strong candidates coatings. rate biodegradation requires investigation. Flexible polyhydroxyalkanoates, poly(butylene succinate) poly(propylene carbonate) are technically promising, but currently viable.
Язык: Английский