Abstract: Provided is a thermosensitive phosphazene-based polymer including an amino acid ester moiety, a polyethyleneglycol moiety, and a moiety including a sulfate group linked directly or by a linker in a predetermined ratio, a method of preparing the same, and a hydrogel-formable composition including the same. For example, a hydrogel formed from the composition may be used for tissue regeneration or drug delivery or used as a storage, a body tissue regeneration inducer, or a filler in a body.

Abstract: The present invention relates to a thermosensitive hydrogel composition, which while comprising an amino acid ester, polyethylene glycol, and a functional group for the introduction of a functional moiety at an end thereof at a predetermined ratio, comprises a polyphosphazene-based polymer having a controlled length and a content of polyethylene glycol contained therein, in which a reversible sol-gel transition character is altered; a medical polymer hydrogel comprising the polyphosphazene-based polymer; or an ink composition for 3D printing.

Abstract: Provided is a thermosensitive phosphazene-based polymer including an amino acid ester moiety, a polyethyleneglycol moiety, and a moiety including a sulfate group linked directly or by a linker in a predetermined ratio, a method of preparing the same, and a hydrogel-formable composition including the same. For example, a hydrogel formed from the composition may be used for tissue regeneration or drug delivery or used as a storage, a body tissue regeneration inducer, or a filler in a body.