Under CopyrightSchmidt, RobertRobertSchmidtHöhne, Carl-ChristophCarl-ChristophHöhneBerner, ValeriaValeriaBernerHallstein, JannikJannikHallsteinMetzsch-Zilligen, ElkeElkeMetzsch-ZilligenPfaendner, RudolfRudolfPfaendnerMack, ChristophChristophMack2023-03-102023-03-102021https://publica.fraunhofer.de/handle/publica/41207410.24406/publica-fhg-412074Polylactic acid (PLA), with a global production in 2019 of about 0.29 million tons, is currently the commercially most well-developed, inexpensive and readily available biopolymer on the market.In the field of thermoplastic foams, PLA is able to substitute petro-based polymers like polystyrene (PS), polyethylene terephthalate (PET) and polyethylene (PE), for example in the packaging industry. Bead foam technologies used to produce products with complex three-dimensional foam geometry are well-established, for example for expanded polystyrene (EPS). However, the processing of PLA by bead foam technologies is still a challenge.enPLAFlame retardant620660poster