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US09011927B2 Pentablock polymers 有权
五嵌段聚合物

Pentablock polymers
Abstract:
Novel pentablock polymers comprising PGA-PCL-PEG-PCL-PGA or PEG-PCL-PLA-PCL-PEG, wherein PEG is polyethylene glycol, PCL is poly(ε-caprolactone), PGA is poly(glycolic acid), and PLA is poly(lactic acid).
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