期刊
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
卷 48, 期 22, 页码 5231-5238出版社
WILEY
DOI: 10.1002/pola.24323
关键词
one-pot synthesis; polymeric nanoparticles; polymerization-induced; self-assembly; ring-opening metathesis polymerization (ROMP)
资金
- National Natural Science Foundation of China [50973030]
- Shanghai Municipality Commission [0952nm05300]
- International Corp. [10410710000]
Shell-functionalized polymeric nanoparticle was prepared through the method of polymerization-induced self-assembly of block copolymers [ poly(2,3-bis(2-bromoisobutyryloxymethyl)- 5-norbornene)-block-poly(7-oxanorborn-5-ene-exo-exo- 2,3-dicarboxylic acid dimethyl ester), PBNBE-b-PONBDM] via one-pot ring-opening metathesis polymerization of 2,3bis(2-bromoisobutyryloxymethyl)-5-norbornene (BNBE) and 7oxanorborn-5-ene-exo-exo-2,3-dicarboxylic acid dimethyl ester (ONBDM) in a selective solvent. The compositions and the molecular weights of the copolymers were estimated by H-1-NMR and gel permeation chromatography. The micelles were characterized by dynamic light scattering, transmission electron micrograph, and atomic force microscopy. The results indicated that the spherical micelles constructed with bromine-bearing PBNBE shell and PONBDM core were stable and reproducible in toluene. (C) 2010 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 48: 5231-5238, 2010
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