• 4.1 Introduction

  • 4.1.1 Introduction

• 4.2 Basic principles of biopolymers

  • 4.2.1 What is a biopolymer
  • 4.2.2 Feedstock and applications of biopolymers

• 4.3 Fascinating examples for new and drop-in biopolymers

  • 4.3.1 Success stories of 100% bio-based polymers – PLA and PHA
  • 4.3.2 Known polymers from novel bio-synthesis routes – bio-PE and bio-PET

• 4.4 Current challenges and future prospects of biopolymers

  • 4.4.1 Challenges of the bioplastic life cycle
  • 4.4.2 From plastic waste to plastic value using Pseudomonas putida synthetic biology
  • 4.4.3 Perspectives concerning biopolymers