abstract |
Biologically based glacial acrylic acid, produced from hydroxypropionic acid, derivatives of hydroxypropionic acid, or mixtures thereof, and having impurities of hydroxypropionic acid, derivatives of hydroxypropionic acid, or mixtures thereof, which polymerizes to give acid (poly ) acrylic or a superabsorbent polymer when using the same processes as petroleum-derived glacial acrylic acid. |