Aqueous dispersions of poly(urethane-co-vinyl-pyridine) synthesised from polyurethane macroiniferter

Polyurethane with built in iniferter fragments was synthesised and used to prepare poly(urethane-co-vinylpyridine). The controlled incorporation of the vinylpyridine groups was achieved by using iniferter groups. Cationomers of the block copolymers were prepared by quaternising the polyvinylpyridine...

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Bibliographic Details
Published in:Colloid and polymer science 2002-10, Vol.280 (10), p.915-921
Main Authors: SUNDAR, Saimani, THARANIKKARASU, Kannan, DHATHATHREYAN, Aruna, RADHAKRISHNAN, Ganga
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polymers with particular properties
Preparation, kinetics, thermodynamics, mechanism and catalysts
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Summary:Polyurethane with built in iniferter fragments was synthesised and used to prepare poly(urethane-co-vinylpyridine). The controlled incorporation of the vinylpyridine groups was achieved by using iniferter groups. Cationomers of the block copolymers were prepared by quaternising the polyvinylpyridine groups and the ionomers were subsequently dispersed in water. The effect of varying polyurethane macroiniferter feed, polymerisation time and percent ionisation on the emulsion characteristics and the properties of the cast films were studied.[PUBLICATION ABSTRACT]
ISSN:0303-402X
1435-1536
DOI:10.1007/s00396-002-0707-y