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Pluronic L121 (Mav ) 4400), EO5PO70EO5 (BASF);
Pluronic L64 (Mav ) 2900), EO13PO30EO13 (BASF); Pluronic P65 (Mav
) 3400), EO20PO30EO20 (BASF); Pluronic P85 (Mav ) 4600), EO26-
PO39EO26 (BASF); Pluronic P103 (Mav ) 4950), EO17PO56EO17
(BASF); Pluronic P123 (Mav ) 5800), EO20PO70EO20, (Aldrich);
Pluronic F68 (Mav ) 8400), EO80PO30EO80 (BASF); Pluronic F127 (Mav
) 12 600), EO106PO70EO106 (BASF): Pluronic F88 (Mav ) 11 400),
EO100PO39EO100 (BASF); Pluronic 25R4 (Mav ) 3600), PO19EO33PO19
(BASF); star diblock copolymers having four EOn-POm chains (or in
reverse, the four POn-EOm chains) attached to an ethylenediamine
nucleus, and terminated by secondary hydroxyl groups; Tetronic 908
(Mav ) 25 000), (EO113PO22)2 NCH2CH2N(PO113EO22)2 (BASF); Tetronic
901 (Mav ) 4700), (EO3PO18)2 NCH2CH2N(PO18EO3)2 (BASF); and
Tetronic 90R4 (Mav ) 7240), (PO19EO16)2 NCH2CH2N(EO16PO19)2
(BASF).

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