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Impact-resistant aromatic vinyl polymers obtained by polymerizing aromatic vinyl monomers in the presence of stable free radicals and polymerization initiators
Impact-resistant aromatic vinyl polymers obtained by polymerizing aromatic vinyl monomers in the presence of stable free radicals and polymerization initiators
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机译:通过在稳定的自由基和聚合引发剂的存在下聚合芳族乙烯基单体而获得的耐冲击芳族乙烯基聚合物
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摘要
The invention concerns a method for preparing a composition comprising a vinylaromatic polymer enclosing rubber nodules. The invention is characterised in that it includes a step for polymerising at least one vinylaromatic monomer in the presence of rubber, a polymerisation initiator and a stable free radical, said step being such that [FSFRx(SFR)]: [FAMOx(AMO)] range from 0.05 to 1, FFSR and FAMO representing the functionality of the stable free radical and the initiator respectively and (SFR) and (AMO) representing the molar quantities of the stable free radical and the initiator respectively, The final composition is particularly resistant to shock and/or shiny.
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