Synthesis of Cationic Polyelectrolytes by Inverse Microemulsion Polymerization

✍ Scribed by Gemma González; Jesus M. Ugalde; José C. de la Cal; José M. Asua

• Publisher: John Wiley and Sons
• Year: 2009
• Tongue: English
• Weight: 182 KB
• Volume: 30
• Category: Article
• ISSN: 1022-1336
• DOI: 10.1002/marc.200900528

✦ Synopsis

Abstract

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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