PHA’s (Poly Hydroxy Alkanoates)

What are PHA’s?

Polyhydroxyalkanoates (PHA’s) have been known by scientists for a very long time.x In fact, the simplest PHA, called P3HB, or sometimes just PHB, was discovered as early as 1926 by a French researcher, Maurice Lemoigne, in the course of his work with the bacterium Bacillus megaterium. At the time, little heed was paid to Lemoigne’s discovery, mainly because of  its perceived irrelevance: at the time, fossil fuels were inexpensive and abundant. But all that started changing when, in the 1970s, the oil crisis started and bio chemicals and plastics started to become viewed as a viable alternative to petroleum-based materials. It was around that time that microbiologists brought PHA to the attention of the industry.

 

New Commercial Manufacturing Plant - Danimer Scientific

 

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PLA (Polylactic Acid or Polylactide)

What is PLA?

Polylactic acid, or polylactide (PLA) is a thermoplastic polyester with backbone formula (C3H4O2)n or [–C(CH3)HC(=O)O–]n, formally obtained by condensation of lactic acid C(CH3)(OH)HCOOH with loss of water (hence its name). PLA can also be prepared by ring-opening polymerization of lactide [–C(CH3)HC(=O)O–]2, the cyclic dimer of the basic repeating unit. The two mojor producers of PLA ar NatureWorks and Total Corbion.

 

Total Corbion PLA starts-up 75,000 tonne/year Thai bioplastics plant | PRA-Plastics and Rubber Asia China Industry News

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