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Chementator: Controlling free-radical polymerizations

By Chemical Engineering |

Arkema, Inc. (formerly Atofina Chemicals, Inc.; King of Prussia, Pa.; edlinks.chemengonline.com/5825-536) has commercialized a patented technology, based on nitroxide compounds, which can be used to control free-radical polymerization reactions. Each alkoxyamine of the BlocBuilder technology contains a functional group for controlling the reaction rate and another that serves as a free-radical initiator. BlocBuilder is especially suited for producing acrylic block copolymers with tailormade properties. Potential applications include adhesives, superabsorbents, flow modifiers, personal-care products, medical devices and epoxy tougheners. BlocBuilder is the first product to be launched based on the company’s Controlled Radical Polymerization technology platform. Next in line is FlexiBloc living polymer, which has reactive end groups for making copolymers of various architectures.   Click here for a full pdf version of the Chementator Section  
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