| abstract |
The invention provides a polyether having a different functional group at each terminus, a polymerization degree of from 5 to 10000, and repeating units represented by formula (I)n wherein R 1 , which may be the same or different in each repeating unit, represents hydrogen, C 1-6 alkyl, aryl or aralkyl. n The invention also provides a process for the preparation of a polyether of formula (I) and a polymerization initiator for use in such a process. |