—
Gelatin / Collagen
Glass Transition (Tg)
~35 (dry)
Melting Point (Tm)
—
Density
1.30 g/cm³
CAS Number
9000-70-8
Recycling Code
None
Category
Natural
Repeat Unit
–[NH–CHR–CO]ₙ– (peptide)
The repeating unit is the smallest structural fragment whose repetition builds the whole chain. Subscripts show the relative share of each unit in copolymers.
Key Properties
Denatured collagen; thermoreversible physical gel below ~35 °C; contains RGD cell-adhesion motifs that make it inherently cell-friendly.
Applications
Capsules, tissue scaffolds, GelMA bioinks, food industry.