A Schizophrenic Water-Soluble Diblock Copolymer We thank EPSRC for a post-doctoral fellowship for S.Y.L. (GR/N17409). Dr. P. McKenna of Laporte Performance Chemicals, Hythe (UK), is thanked for the gift of the monohydroxy-capped PPO. The reviewers are thanked for their helpful and constructive comments.