齐民
开通时间:..
最后更新时间:..
点击次数:
论文类型:会议论文
发表时间:2010-11-06
收录刊物:EI、CPCI-S、Scopus
卷号:152-153
页面范围:1641-+
关键字:biodegradable; poly(L-lactic acid-co-alpha-phenylalanine); poly(ester-amide)s; melting copolymerization
摘要:A new poly(ester amide)s (PEA) derived from L-lactic acid and L- phenylalanine have been synthesized by melting copolymerization with p-toluenesulfonic acid (TSA), stannous chloride (SnCl2) as catalyst. The products were analyzed by NMR, FT IR. The effects of the content of L-phenylalanine on the copolymers structure were studied. Being the phosphate buffered saline (pH=7.2) as the degradation solution, it had been found that the degradation rate speed up with the increasing the content of the L- phenylalanine.