Electrospun Fibers Containing Bio‐Based RICINOLEIC ACID (cas 141-22-0): Effect of Amount and Distribution of RICINOLEIC ACID (cas 141-22-0) Unit on Antibacterial Properties

Add time:10/01/2019    Source:infona.pl

Novel bio‐based and biodegradable electrospun membranes, containing bactericidal RICINOLEIC ACID (cas 141-22-0) (RA) units either by copolymerization with butylene succinate (BS) units or by blending PRA and PBS homopolymers, are characterized in their chemical, thermal, mechanical and surface properties. In the blends E. coli and S. aureus mortality rate increases with PRA amount, while the copolymer shows lower bactericidal activity compared to the blend with similar composition. XPS demonstrates that in the blends an enrichment of RA units at the fiber surface occurs during electrospinning due to phase separation, while in the copolymer RA units are homogeneously dispersed along fiber cross‐section.

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