Improved processes for atom (or group) transfer radical polymerization
(ATRP) and novel polymers have been developed and are described. In
certain embodiments, novel copolymers comprising a least one polymeric
branch or polymeric block with a predominantly alternating monomer
sequence are described. Novel copolymers comprising a least one polymeric
branch or polymeric block with a gradient monomer structure are
described. Additionally, novel copolymers comprising a least one
polymeric branch or polymeric block with a predominantly periodic monomer
sequence are also described. Novel copolymers having a water soluble
backbone and at least two hydrophobic polymeric branches grafted to the
water soluble backbone are also described.