Grafting of vinyl monomers onto wood fibers initiated by peroxidation |
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| Authors: | Claude Daneault Bohuslav V. Kokta Debesh Maldas |
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| Affiliation: | (1) Centre de recherche en påtes et papiers, Université du Québec à Trois-Rivières, C.P. 500, G9A 5H7 Trois-Rivières, Québec, Canada |
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| Abstract: | Summary The oxidation of chemithermomechanical (aspen) pulp with ruthenium tetroxide followed by peroxidation with hydrogen peroxide was performed to study the graft copolymerization of methacrylic acid, epoxypropyl acrylate and epoxypropyl methacrylate. For epoxy monomers, lower pH (i.e. < 5) is more favorable due to the participation of the epoxy group in the grafting reaction in acidic medium. Moreover, the grafting of epoxy monomers appeared more efficient than methacrylic acid. |
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