Over the years, the development of bio-based superabsorbent polymer (SAP) has been limited, and more so for biodegradable SAP. Very few companies have been able to reach past the pilot production phase for bio-based acrylic acid, the key intermediate used in the production of SAP. Cross‐linked polyacrylates are the most common type of SAP produced today. Acrylics dominate the SAP market owing to their relatively inexpensive raw materials and ease of synthesis from high-molecular-weight prod...
