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Engineering360: "Scientists develop a food packaging bioplastic that degrades in just a couple of years"

05/28/2019 2:49 PM

Read Engineering360 article: Scientists develop a food packaging bioplastic that degrades in just a couple of years.

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#1

Re: Scientists develop a food packaging bioplastic that degrades in just a couple of years

05/28/2019 9:48 PM

The problem is not not having biodegradable plastic, the problem is cost...they cost like a dollar a bag! vs a fraction of a penny for what we have now...

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#2
In reply to #1

Re: Scientists develop a food packaging bioplastic that degrades in just a couple of years

05/29/2019 1:06 AM

Yeah, but the assiciated cost for the society for dumping, recylcing or wrong disposing and its effects the so called enviromental costs still exist.

What also exists is the lack of understanding how biodegradable material interacts in its various forms and sizes.

Plastic per se is not a problem either unless it is for example wrongly taken for food by poor creatures. The real problme might be smaller particle sizes of plastic after it degrades and accumulates in tissues or blood vessels or where else.

The point is, if the material degrades and gets smaller, what effect do they have. All we know is that the bio degreadble plastic gets smaller faster! Is this good or better in the end? Will there be remains of unknown consequences?

Questions to be answered before calling this a

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#3
In reply to #2

Re: Scientists develop a food packaging bioplastic that degrades in just a couple of years

05/29/2019 4:27 PM

I agree, plastic that decomposes spontaneously shouldn't be mixed with food. (It sure would make you watch the "use by" dates!).

I remember storing something in the attic and putting a bag around it to keep off the dust. After about 6 months I found it sitting there with shreds of plastic strewn about. Unfortunately, it was biodegradable.

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