Corpus ID: 102174734

STUDY ON POLY(LACTIC ACID) MODIFIED BY POLYETHYLENE GLYCOL

@inproceedings{Fenzhi1998STUDYOP,
  title={STUDY ON POLY(LACTIC ACID) MODIFIED BY POLYETHYLENE GLYCOL},
  author={Zhao Fenzhi},
  year={1998}
}
  • Zhao Fenzhi
  • Published 1998
  • Materials Science
  • The structure and properties of the triblock copolymer HOPLAPEGPLAOH prepared by lacide (DLLA) and polyethylene glycol(PEG, M=4000) with various composition ratios, were studied by FTIR spectroscopy, 1HNMR spectroscopy, dynamic mechanical analysis(DMA). The effect of temperature and pressure in processing on intrinsic viscosity of block copolymer was also studied. The experiment results indicated that the tensile strength and glass transition temperature decreased with the… CONTINUE READING

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