Final answer:
Chitin has not been synthesized in a laboratory as an epoxy alternative, but chitosan, a derivative of chitin, has been used as an epoxy alternative.
Step-by-step explanation:
Chitin has not been synthesized in a laboratory as an epoxy alternative. Chitin is a long-chain polymer found in the exoskeletons of arthropods and the cell walls of fungi. While chitosan, a derivative of chitin, has been used as an epoxy alternative, chitin itself has not been commonly synthesized for this purpose.