1.

What are bio degradable polymers? Give examples.

Answer»

Solution :`implies` The materials that are readily DECOMPOSED by micro organisms in the ENVIRONMENT are called biodegradable.
`implies ` Natural polymers DEGRADE on their own after certain period of time but the synthetic polymers do not.
`implies`The biopolymers which disintergrates by themselves in biological SYSTEMS during a certain period of time by enzymatic hydrolysis and to some extent by oxidation are called biodegradable polymers.
Examples:
(i) Polyhydroxy butyrate (PHB)
(ii) Polyhydroxy butyrate-co-B- hydroxyl valerate (PHBV)
(iii) Polylactic acid (PLA)


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