Lactic acid is polymerized through a condensation reaction to low molecular weight PLA, which is then depolymerized to form lactide, the cyclic dimer of lactic acid. |
The gel is a thin slab of acrylamide polymerized between two glass plates. |
The polymerized intermediate products can further undergo cracking, isomerization, cyclization, aromatization and condensation reactions. |
Most existing composites involve thermosetting polymer resins that take on an unalterable shape once polymerized. |
As the reaction proceeds, polymerized sealant forms at the edges of the leak site and simultaneously links together to form a flexible bond across the leak site. |
Port that has been left to age in wooden casks for six or more years begins to take on a tawny colour and a soft, silky character as the phenolics are polymerized. |