Synthesis of Cationic Polyelectrolytes by Inverse Microemulsion Polymerization | Zendy

González Gemma | Zendy; Ugalde Jesus M. | Zendy; de la Cal José C. | Zendy; Asua José M. | Zendy

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Synthesis of Cationic Polyelectrolytes by Inverse Microemulsion Polymerization

Author(s) -

González Gemma,

Ugalde Jesus M.,

de la Cal José C.,

Asua José M.

Publication year - 2009

Publication title -

macromolecular rapid communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 154

eISSN - 1521-3927

pISSN - 1022-1336

DOI - 10.1002/marc.200900528

Subject(s) - cationic polymerization , copolymer , continuous stirred tank reactor , polymer chemistry , microemulsion , polyelectrolyte , branching (polymer chemistry) , acrylamide , flocculation , polymerization , chemistry , chemical engineering , materials science , polymer , organic chemistry , pulmonary surfactant , engineering , biochemistry

The inverse microemulsion copolymerization of acrylamide and [2‐(acryloyloxy)ethyl]‐ trimethylammonium chloride (Adamquat) was investigated using different reactors (batch, semicontinuous, and CSTR). It was found that formation of long branches through extensive intermolecular chain transfer occurred at low temperature (35 °C). Molecular weights and long branching levels were correlated and decreased as batch > semicontinuous > CSTR. These differences affected the performance of the copolymers as flocculants. Results indicated that successful flocculant should contain a good balance between short and long chains.

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