Synthèse de copolymères greffés à base de polyéthylène—1 |
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| Authors: | B Boutevin Y Pietrasanta M Taha T Sarraf |
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| Institution: | Laboratoire de Chimie Appliquée, Ecole Nationale Supérieure de Chimie de Montpellier, 8, rue de l'Ecole Normale, 34075, Montpellier Cedex, France |
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| Abstract: | Polyethylene macromolecular free radical initiators, obtained by ozonization, are used to prepare graft copolymers with methyl methacrylate, styrene and vinyl chloride. The reactions parameters are the number of initiator groups (found by DPPH), peroxide and hydroperoxide proportions (respectively 36 and 64%), decomposition rate (Kd at 90°  10?1sec?1) and monomer concentration. The molecular structure of these copolymers is defined. |
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