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Table 1 Effect of acid acceptor on the preparation of polyphosphonates P1-P4

From: Polymers containing phosphorus groups and polyethers: from synthesis to application

Polymera Acid acceptor Yield, % ηinhb, dl/g
P1 TEA 54 0.18
P2 TEA 65 0.35
P3 MeI 75 0.24
P4 MeI 88 0.48
  1. a.P1-P4: see Procedure.
  2. bmeasured at a concentration of 0.5 g/dl in tetrachloroethane, at 30°C.