Poly-L-lactic acid (PLLA) is a bioabsorbable and biocompatible synthetic polymer widely used in aesthetic medicine and tissue repair. It was initially developed as a degradable suture material and has now become an FDA-approved injectable implant for facial volume restoration and wrinkle correction. The uniqueness of PLLA lies in its ability to gradually stimulate collagen production,...
Polycaprolactone (PCL) is a high-performance biodegradable polyester synthesized through the ring-opening polymerization of ε-caprolactone.
As a semi-crystalline polymer with excellent mechanical flexibility, chemical stability, and biocompatibility, PCL has attracted growing attention across medical, industrial, and sustainable materials applications.
1. Material Characteristics...
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