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            1£©O-(2-aminopropyl)-O'-(2-methoxyethyl)-polypropylene glycol (AMPG).·Ö×ÓʽΪ£ºCH3[OCH2CH2]mO[(CH3)CHCH2O]nCH2(CH3)CH-NH2 £¬ÆäÖÐm=1£¬n=8£¬Mw=600.


           2)Hypermer KD-3 (ICI Chemicals£¬U.K.£¬density=0.92g/cm3).

           3)A phosphate ester(Emphos PS21A, Whitco Chem.,USA, labelled as EPH).

·Ö×ӽṹΪ£ºRO-(OH)P(OR)=O,ÆäÖУ¬R=-(CH2CH2O)x(CH2)yCH3,x=3~5,y=5~9.

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