Journal
POLYMER CHEMISTRY
Volume 4, Issue 15, Pages 4113-4119Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3py00618b
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Funding
- Advantage West Midlands (AWM) Science City Initiative
- ERDF
- Lubrizol
- Syngenta
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The Cu(0)-mediated polymerization of lauryl (C-12) and stearyl (C-18) acrylate is reported under a range of reaction conditions. Good first order kinetics, a linear evolution of number average molecular weight (M-n) with conversion and dispersity (similar to 1.10) are observed. The polymerization of lauryl acrylate proceeds either homogenously or in a self-generated biphasic system, depending on the solvent employed, with little deviation in overall polymerization control. The near quantitative retention of omega-bromo end groups is exploited via nucleophilic thio-bromine substitution with thioglycerol to yield highly hydrophobic polymers with polar head groups. Modification is spectroscopically confirmed by both NMR and MALDI-TOF-MS. Highly omega-chain end functional methacrylic analogues have also been prepared by Co(II) mediated catalytic chain transfer polymerisation (CCTP). Reactive vinyl groups at the omega-chain end of poly(lauryl methacrylate) have been targeted with thioglycerol for nucleophilic thio-Michael addition with quantitative modification possible.
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