4 ms·
I think they just meant that bottles and shopping bags are made from "ordinary plastics".
by prvc 6y ago
I think they just meant that bottles and shopping bags are made from "ordinary plastics".
- abdullahkhalids 6y agoFrom the abstract > The input polymer is polypropylene or polystyrene, and can include discarded plastic containers of these materials, ... https://royalsocietypublishing.org/doi/full/10.1098/rspa.2020.0469 https://royalsocietypublishing.org/doi/full/10.1098/rspa.202...
- kps 6y agoMarked and respectively. Edit: U+2677 and and U+2678. Obviously no one would ever want to write about plastics on HN, so it's totally OK to strip those symbols.
- _Microft 6y agoBefore you spend time looking this up, this is it: U+2677 is the recycling symbol type 5 (polypropylene/"PP") and U+2678 is recycling material type 6 (polystyrene/"PS"). https://en.wikipedia.org/wiki/Recycling_codes#List_of_resin_identification_codes_(RIC)_and_codes_defined_by_the_European_Commission https://en.wikipedia.org/wiki/Recycling_codes#List_of_resin_...