Grafting of styrene and methyl methacrylate concurrently onto polybutadiene in semi-continuous emulsion processes and determination of copolymer microstructure

Styrene and methyl methacrylate were copolymerized at 323 K in the presence of a polybutadiene seed latex in emulsifier-free semi-continuous and, for comparison, batch processes using cumene hydroperoxide as initiator. Graft polymer characteristics were studied including the intra- and intermolecula...

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Bibliographic Details
Published in:Polymer (Guilford) 1994, Vol.35 (8), p.1648-1653
Main Authors: Aerdts, Annemieke M., Theelen, Sylvia J.C., Smit, Tjebbe M.C., German, Anton L.
Format: Article
Language:English
Subjects:
Applied sciences
Copolymerization
Exact sciences and technology
grafting
microstructure
Organic polymers
Physicochemistry of polymers
polybutadiene
Preparation, kinetics, thermodynamics, mechanism and catalysts
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Summary:Styrene and methyl methacrylate were copolymerized at 323 K in the presence of a polybutadiene seed latex in emulsifier-free semi-continuous and, for comparison, batch processes using cumene hydroperoxide as initiator. Graft polymer characteristics were studied including the intra- and intermolecular microstructure. In contrast to expectation, the free and graft copolymers resulting from the semi-continuous processes under starved conditions appeared to have even broader distributions than the copolymers formed in the batch processes.
ISSN:0032-3861
1873-2291
DOI:10.1016/0032-3861(94)90837-0