Last month, I wrote a special report for Tecnon OrbiChem\u2019s Bio-Materials newsletter about polyimide and polyphthalamide (PPA), which are considered high-temperature specialty polymers. I am not quite familiar with these polymers but apparently, they can now be produced using renewable feedstock.<\/p>\n\n\n\n
Zymergen launched in December last year its Hyaline family of polyimide films and the fermentation-based version is expected to roll out next year for electronics application. Polyimides are high-temperature engineering polymers that exhibit an exceptional combination of thermal stability, mechanical toughness and chemical resistance. The classical method of polyimide synthesis is by reaction of a dianhydride and a diamine.<\/p>\n\n\n\n
For polyphthalamide, a type of specialty aromatic polyamides, they are copolymers made from the condensation of aliphatic amides, such as caprolactam and HMDA, with terephthalic acid and\/or isophthalic acid. If you\u2019re following the renewable chemicals space, you would know that bio-based equivalents for terephthalic acid will soon be produced in commercial quantities from companies such as Origin Materials, Anellotech and other bio-based dicarboxylic acid producers. Genomatica is also working on the development of fermentation-based caprolactam and HMDA.<\/p>\n\n\n\n
You can access for free this special report on Tecnon OrbiChem\u2019s blog.<\/p>\n","protected":false},"excerpt":{"rendered":"
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