Influence of concentration, molecular weight and degree of neutralization of polyacrylic acid on interpolymer complexes with polyoxyethylene
作者： R. Audebert , I. Iliopoulos
DOI: 10.1007/BF00254227
关键词: Molecular mass 、 Polyacrylic acid 、 Potentiometric titration 、 Aqueous solution 、 Molecule 、 Polymer chemistry 、 Chemistry 、 Polymer 、 Macromolecule 、 Hydrogen bond
摘要: Complexation of polyacrylic acid and polyoxyethylene in aqueous solution has been examined for various degrees neutralization the polyacid, different molecular weights concentrations polymers. Potentiometric visometric measurements show that association macromolecules is due to hydrogen bonding between sequences vicinal carboxylic groups (minimum seven units) polyacid polyether sequences. In several systems we observed a very high viscosity. This effect may be explairned by formation highly branched structures, since same molecule can complexed with chains.
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