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Type: Artigo
Title: Sucrose Methacrylate-based Amphiphilic Block Copolymers
Author: de Almeida
Paula; Dias Loiola
Livia Mesquita; Petzhold
Cesar Liberato; Felisberti
Maria Isabel
Abstract: Amphiphilic block copolymers based on sucrose methacrylate (SMA) and alkyl methacrylates (alkyl = ethyl, butyl, and hexyl) are synthesized by atom transfer radical polymerization, employing CuBr/CuBr2/2,2,2-tribromoethanol/1,1,4,7,10,10-hexamethyltriethylenetetramine as a catalyst/deactivator/initiator/ligand system. Poly(alkyl methacrylate)s with similar polymerization degrees are used as macroinitiators for SMA polymerization. The introduction of PSMA blocks with molar mass varying from 2000 to 12 000 g mol(-1) results in changes in the solubility, thermal stability, and water swelling capacity. The copolymers are able to stabilize water/oil emulsion and also to self-assemble in solution, as verified by gel permeation chromatography and dynamic light scattering, as well as in solid state, as verified by atomic force microscopy.
Subject: Alkyl Methacrylate
Amphiphilic Copolymer
Block Copolymer
Sucrose Methacrylate
Editor: Wiley-V C H Verlag GMBH
Rights: fechado
Identifier DOI: 10.1002/macp.201600452
Date Issue: 2017
Appears in Collections:Unicamp - Artigos e Outros Documentos

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