Kim, KH Kim, J Jo, WH 2024-01-21T05:08:06Z 2024-01-21T05:08:06Z 2021-09-03 2005-04-15 0032-3861 https://pubs.kist.re.kr/handle/201004/136546 PEG-b-PNIPAM block copolymers are synthesized by the atom transfer radical polymerization of NIPAM using PEG macro-initiator. When the polymerization temperature is 25 degrees C, the block copolymer is soluble in water, whereas the block copolymer is phase-separated to form micelles during polymerization as the polymerization temperature is raised to 50 degrees C, the temperature above the LCST of PEG-b-PNIPAM. To prepare stable hydrogel nanoparticles in water at room temperature, a small amount of N,N-t-ethylenebisacrylamide is added as a cross-linker to the reaction system, where the size of nanoparticles is controlled by the composition of mixed solvent. (c) 2005 Elsevier Ltd. All rights reserved. English ELSEVIER SCI LTD ANIONIC DISPERSION POLYMERIZATION POLY(ETHYLENE GLYCOL) RAFT POLYMERIZATION MOLECULAR-WEIGHT POLY(N-ISOPROPYLACRYLAMIDE) PARTICLE BLOCK COPOLYMERS MICROGELS Preparation of hydrogel nanoparticles by atom transfer radical polymerization of N-isopropylacrylamide in aqueous media using PEG macro-initiator Article 10.1016/j.polymer.2005.02.009 1 POLYMER, v.46, no.9, pp.2836 - 2840 POLYMER 46 9 2836 2840 scie scopus 000228315100002 2-s2.0-15744383376 Polymer Science Polymer Science Article ANIONIC DISPERSION POLYMERIZATION POLY(ETHYLENE GLYCOL) RAFT POLYMERIZATION MOLECULAR-WEIGHT POLY(N-ISOPROPYLACRYLAMIDE) PARTICLE BLOCK COPOLYMERS MICROGELS atom transfer radical polymerization N-isopropylacrylamide nanoparticles