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http://dx.doi.org/10.5322/JES.2006.15.6.593

Synthesis of SIS Triblock Copolymer by Living Anionic Polymerization and Its Oil Gelling Capacity  

Heo Jae-Joon (Division of Applied Chemical Engineering, Pukyong National University)
Lee Min-Gyu (Division of Applied Chemical Engineering, Pukyong National University)
Kim Si-Young (Division of Mechanical Engineering, Pukyong National University)
Ju Chang-Sik (Division of Applied Chemical Engineering, Pukyong National University)
Publication Information
Journal of Environmental Science International / v.15, no.6, 2006 , pp. 593-600 More about this Journal
Abstract
SIS triblock copolymers, one of the major raw materials of oil gelling agent, were synthesized by living anionic polymerization and the resultant copolymers formed with various shapes and sizes were used to examine their oil gelling capacities. Coupling method was adapted to form final triblock products from diblock living polymers. Prior to polymerization, the impurities in monomers and solvents were throughly removed by killing technique. We experimentally investigated the effects of operating parameters of synthesis and forming of SIS triblock copolymers on oil gelling capacity. The photocatalytic decomposition of SIS triblock copolymer under ultraviolet circumstance was also investigated and it is found that the addition of P-25 enhances the photocatalytic decomposition.
Keywords
Living anionic polymerization; SIS triblock copolymer; Oil gelling agent;
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