New N,N-amino-diphosphonate-containing methacrylic derivatives, their syntheses and radical copolymerizations with MMA |
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Authors: | Kamel Chougrani Ghislain David Gilles Boutevin |
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Institution: | a Laboratoire d’Ingénierie et Architectures Macromoléculaires (ENSCM), Institut Charles Gerhardt, UMR (CNRS), School of Chemistry, 5253, 8 rue de l’école normale, 34296 Montpellier Cedex 5, France b Spécific Polymers, Avenue de l’Europe, Cap Alpha, 34830 Clapiers, France |
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Abstract: | Hydroxy-amino-diphosphonates HO-Cn-NH2, with 2 ? n ? 11, have been successfully synthesized via the Kabachnick-Field reaction at 70 °C with high yields. These hydroxy compounds are then reacted with methacryloyl chloride to lead to novel amino-diphosphonate methacrylates MACnNP2 (with 2 ? n ? 11). These highly pure methacrylate monomers were obtained with yields higher than 75%. Radical copolymerizations of MACnNP2 (with 2 ? n ? 11) with MMA have been conducted and the r1 values (related to MACnNP2) are in the range of 1.1-1.3, and r2 values (related to MMA) about 0.8; this shows that the diphosphonate groups are statistically bonded to the methacrylic backbone. |
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Keywords: | N N-Amino-diphosphonate-containing methacrylate Kabachnick-Field MMA Copolymerization |
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