Search Results - "Sigwalt, Pierre"

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    Carbocationic polymerization: Mechanisms and kinetics of propagation reactions by Sigwalt, Pierre, Moreau, Michel

    Published in Progress in polymer science (2006)
    “…Propagation rate constants k p in carbocationic polymerizations can be obtained through two general methods. The first one, used for decades, calculated k p…”
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    Reactivities of carbocations and monomers in carbocationic polymerization and copolymerization by Sigwalt, Pierre, Moreau, Michel

    “…In carbocationic polymerization and copolymerization, a recent publication concluded that the substituent effect on carbocation reactivity is much larger than…”
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    Can Propagation Reaction in Carbocationic Polymerization and Copolymerization of Styrene be Diffusion Controlled ? by Sigwalt, Pierre, Moreau, Michel

    Published in Macromolecular symposia. (01-10-2011)
    “…The reactivity ratios r1 and r2 in copolymerizations of styrene and parasubstituted styrenes, for which r1 = 1/r2, are in contradiction with diffusion control…”
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    New developments in cationic polymerization of cyclosiloxanes by SIGWALT, P

    Published in Polymer journal (01-01-1987)
    “…Some publications have shown the analogies or the differences in the behavior of cyclosiloxanes of various sizes (particularly D sub 3 and D sub 4 ) when they…”
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    About propagation rate constants in carbocationic polymerizations by Sigwalt, Pierre, Moreau, Michel, Polton, Alain

    Published in Macromolecular symposia. (01-07-2002)
    “…Published carbocationic propagation rate constants vary between 2 103 and 5 109 L·mol−1·s−1, e.g. for kp± with styrene in CH2Cl2. The low values were deduced…”
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    Mechanism of hexamethylcyclotrisiloxane polymerization in the presence of siloxanediols by Bischoff, Rémy, Sigwalt, Pierre

    Published in Polymer international (01-03-1999)
    “…Polymerization of hexamethylcyclotrisiloxane (D3 ) in CH2Cl2 at 30°C, initiated by triflic acid (TfOH) was studied in the presence of siloxanediols (HD2OH or…”
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    Mechanism of octamethylcyclotetrasiloxane polymerization in the presence of siloxanediols by Bischoff, Rémy, Sigwalt, Pierre

    Published in Polymer international (01-06-1996)
    “…Polycondensation of tetramethyldisiloxanediol (HD 2OH) by triflic acid (TfOH) in the presence of octamethylcyclotetrasiloxane (D4) has been studied at 30°C in…”
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    Synthesis of cyclic and multicyclic polyisoprenes by Boutillier, Jean-Marc, Lepoittevin, Bénédicte, Favier †, Jean-Claude, Masure, Michèle, Hémery, Patrick, Sigwalt, Pierre

    Published in European polymer journal (01-02-2002)
    “…Cyclic polyisoprenes have been synthesized by reaction of α,ω-dilithiopolyisoprenes with dichlorodimethylsilane or 1,2-bis(isopropenyl-4-phenyl) ethane (BIPE)…”
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    Influence of ring size on monomer reactivities in cationic polymerization of cyclodimethylsiloxanes: Comparison of D 5, D 6 and D 7 by Moreau, Michel, Masure, Michèle, Sigwalt, Pierre

    Published in European polymer journal (01-06-1996)
    “…Earlier data had shown that monomer reactivities and polymerization rates of cyclodimethylsiloxanes D x ([Si(CH 3) 2O] x) increased in the order D 4 < D 5 < D…”
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    Various types of aggregates in mono- or bifunctional polyisoprenyllithium in hydrocarbons by Boutillier, Jean-Marc, Favier, Jean-Claude, Hémery, Patrick, Sigwalt, Pierre

    Published in Polymer (Guilford) (01-11-1996)
    “…The addition of tert-butyllithium on 1,2-bis(isopropenyl-4 phenyl)ethane in pure hexane leads to the quantitative synthesis of a dilithium compound as shown…”
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