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Difference between bioplastics,bio-based plastics and biodegradable plastics

By on 2 years ago

There is often a marked confusion for a lay man when it comes to bio based plastics and bio degradable plastics. The most common assumption is that a bio based plastic will degrade and is not durable. Could anybody precisely differentiate between the two terminologies “bio based” and “bio degradable”?

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2 Answers

  1. sindhujar 2 years ago #

    Bio-based plastics and biodegradable plastics have their own share of properties that differ between each other. Bio-based plastics can be, but are not necessarily, biodegradable. For example, starch plastics are generally biodegradable while bio-based polyethylene is not biodegradable. Moreover, several petrochemical (co-)polymers exist that are biodegradable. Usually, the share of biogenic carbon in the plastic determines its bio degradability.

  2. narsi 1 year ago #

    "several petrochemical (co-)polymers exist that are biodegradable. Usually, the share of biogenic carbon in the plastic determines its bio degradability."

    Are some petrochemical polymers biodegradable? I did not know that! Would like to have some examples

    And what is the meaning of biogenic carbon? I thought all carbon in petroleum originated from bio-sources, and as a consequence, all carbon in polymers will also be biogenic?? Someone please clarify



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