Journal
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
Volume 46, Issue 2, Pages 564-573Publisher
WILEY-BLACKWELL
DOI: 10.1002/pola.22406
Keywords
ATRP; bottlebrush copolymers; butyl acrylate; cellulose diacetate; epsilon-caprolactone; graft copolymers; methyl methacrylate; ring-opening polymerization; styrene
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Graft copolymers with cellulose diacetate (CDA) backbone and both the poly(epsilon-caprolactone) and polystyrene, or poly(butyl acrylate) or PMMA grafts were prepared by two-step process. First, E-caprolactone (CL) was polymerized by ring-opening polymerization (ROP) initiated with CDA, partly funcionalized with 2-bromo-isobutyryl groups (degree of functionalization was 0.5). The p(CDA-g-CL) copolymers were used in the second step as polyfunctional macroinitiators of ATRP of the vinyl monomer, giving densely grafted copolymers with polyester and PSt, or PBuA, or PMMA grafts. The prepared copolymers were characterized by SEC, some of them also by FTIR spectroscopy and atomic force microscopy (AFM). (C) 2007 Wiley Periodicals, Inc.
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