Biodegradable copolyester PHBV (poly(3-hydroxybutyrate-co-3-hydroxyvalerate)) (PHBV: bacterial copolyester of 3-hydroxybutyrate and 3-hydroxyvalerate)

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PHBV: bacterial copolyester of 3-hydroxybutyrate and 3-hydroxyvalerate

What each symbol means

SymbolWhat it stands for
3HBShorter side chain (methyl) repeat
3HVLonger side chain (ethyl) repeat — adjusts properties

When to use this

Aliphatic polyester; microbial synthesis; degradable vs commodity polyolefins.