the present invention provides a biocompatible polymer composition for use in biomedical applications comprising a base molecule , a linker molecule and at least one initiator compound , said base molecule having at least two differing functionalities , and said linker molecule having a functionality reactive with at least one functionality of said base molecule , the first of said at least two functionalities of said base molecule enabling a first curing stage of said polymer composition by reaction with said linker molecule , and the second and any further functionality of said base molecule enabling second and further curing stages of said polymer composition , said first , second and any further curing stages being capable of activation simultaneously or independently of each other as required . the invention further provides uses of the polymer compositions of the invention in biomedical applications such as tissue engineering , dry delivery , as a bioadhesive in wound healing , as bone substitutes or scaffolds , as cements in dental and periodontal applications and as anti - adhesives or protective barriers .