Abstract
Triphenylborane catalyzes the copolymerization and terpolymerization of epoxides and CO2 to yield polycarbonates with excellent dispersity. Via assisted tandem catalysis, these materials could be hydrosilylated in a one-pot fashion yielding modified polymeric materials. Using only a few reagents, materials with glass transition temperatures ranging from 37–110 °C were obtained.
Highlights
Triphenylborane catalyzes the copolymerization and terpolymerization of epoxides and CO2 to yield polycarbonates with excellent dispersity. These materials could be hydrosilylated in a one-pot fashion yielding modified polymeric materials
The polycarbonate product is attractive as it paves a new road towards the development of new sustainable polymeric materials that may serve as alternatives to the traditional petroleum-based products that dominate society today.[3,4,5]
The use of catalysts that can incorporate a mixture of epoxide monomers into the nal product has evolved in recent years, which can allow renewable functional epoxides to be incorporated into a biorenewable end product.[6,7]
Summary
Triphenylborane catalyzes the copolymerization and terpolymerization of epoxides and CO2 to yield polycarbonates with excellent dispersity. Transformation of carbon dioxide (CO2) into useful organic materials is important from an economic and environmental viewpoint.[1,2] Speci cally, the reaction of CO2 and epoxides can yield either cyclic carbonates or polycarbonates, with product selectivity relying on several factors such as temperature, pressure, substrate and catalyst design.
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