Block copolymers PEG-PLLA usage for modifying polymer blends

Polyscitech provides a wide array of PEG-PLLA block copolymer products (e.g. PolyVivo AK03, AK04, AK05, AK08, etc.).  Block copolymers of PLLA-PEG have recently shown promise for use in modifying the degradation rate and mechanical properties of PLLA biodegradable stents when co-blended with the PLLA. Kim, Jin Hyang, Hyeran Noh, Jong Hee Kang, Bong Soo Lee, Jiyeon Choi, Kwideok Park, and Dong Keun Han. "Characteristics of PLLA films blended with PEG block copolymers as additives for biodegradable polymer stents."Biomedical Engineering Letters 1, no. 1 (2011): 42-48. http://link.springer.com/article/10.1007/s13534-011-0004-0