Living Radical Polymerisation
Surface initiated SET living radical polymerisation for the synthesis of silica–polymer core–shell nanoparticles
... and ultrahigh molecular weight polymer grafts, such that the shell size can be accurately controlled by changing the molecular weight targeted. Currently, the application of single-electron transfer living ...
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Verdazyl radicals as mediators in living radical polymerisation and dopamine end functionalised polymers for application as friction modifiers
... in Living Radical Polymerisation The aim of this work was to investigate verdazyl radicals as an alternative to nitroxides as mediators in stable free radical ...the polymerisation of ...
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Cu(0) mediated living radical polymerisation in dimethyl lactamide (DML) : an unusual green solvent with limited environmental impact
... Controlled/living radical polymerisation techniques (CRPs) have promoted the synthesis of many new functional materials allowing for the control of the molecular weight, dispersity, polymer ...
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Self healing polymers prepared via living radical polymerisation
... controlled radical polymerization (CRP) allow for the synthesis of functional polymers with excellent control over molecular weight, molecular weight distribution, architecture and incorporation of ...
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Block copolymer synthesis by controlled/living radical polymerisation in heterogeneous systems
... the polymerisation process ...precipitation polymerisation. There are examples of aqueous dispersion polymerisation, 156-158 but monomers applicable to this technique are ...dispersion ...
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Surface modification with polymers using living radical polymerisation and click chemistry
... the polymerisation proceeds by an inner-sphere electron-transfer mechanism in which a low oxidation state metal complex acts as the catalyst, mediating a fast exchange between radicals and their dormant alkyl ...
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Copper mediated living radical polymerisation of acrylates and acrylamides : utilising light as an external stimuli
... Vasiliki Nikolaou 120 4.1 Introduction One of the main perceived drawbacks of the RDRP techniques, is considered to be copper contamination of the products. 1 The presence of trace metal, is often heralded as a weakness, ...
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Shining a light on copper mediated living radical polymerisation : maximising end group fidelity
... to living polymerisations, in which the conversion and molecular weight of the resulting polymer can be controlled by the irradiation ...The polymerisation proceeds through attack of the initiator and ...
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Water soluble triblock and pentablock poly(methacryloyl nucleosides) from copper mediated living radical polymerisation using PEG macroinitiators
... copper-mediated polymerisation of the multifunctional methacryloyl uridine and methacry- loyl adenosine monomers possessing unprotected and silyl protected hydroxyl ...
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Polymerisation of 2 acrylamido 2 methylpropane sulfonic acid sodium salt (NaAMPS) and acryloyl phosphatidylcholine (APC) via aqueous Cu(0) mediated radical polymerisation
... The scope of aqueous single electron transfer living radical polymerisation has been expanded for the preparation of a range of polyelectrolyes and polyzwitterions. Manipulation of the reaction ...
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Some aspects of free radical polymerisation in UV-curing
... 7V transitions are weak ( : lool/mol.cm) since the lone pair does not overlap the space with the TT system. Singlet - triplet splitting for n __..TT* excited states is small in comp[r] ...
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Water soluble polymers from controlled free radical polymerisation
... The polymer composition data show that, as the concentration of DMAEMA is increased relative to the DEAEMA content, the molecular weight decreases and the proportion of DEAEMA with [r] ...
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Copper(0) mediated radical polymerisation in a self generating biphasic system
... Following polymerisation, the polymer is present as a clearly distinguishable colourless top layer (inset in Figure 1C), while the bottom DMSO layer contains the vast majority of the copper/ligand complexes as ...
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Synthesis of α,ω telechelics by Cu(0) mediated reversible deactivation radical polymerisation
... Transformation of the α,ω-halide chain ends into hydroxyl groups has also been investigated via a “thiol-free” route, which could be appreciated in an industrial process, utilising allyl alcohol. Reported procedures give ...
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Methacrylic block copolymers by sulfur free RAFT (SF RAFT) free radical emulsion polymerisation
... controlled radical polymerisation systems (NMRP, RAFT and ATRP) under effective emulsion conditions has proved to be somewhat ...emulsion polymerisation conditions followed by a second monomer ...
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The effect of solvent, ligand and initiator upon aqueous Cu(0) mediated reversible deactivation radical polymerisation
... Danielle Lloyd 105 Figure 2.36 – FT-IR analysis of the four different PNIPAm samples isolated for comparison. 2.3. Conclusion Overall, this investigation has described the low temperature depolymerisation of ...
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A study of the effects of acid on the polymerisation of pyrrole, on the oxidative polymerisation of pyrrole and on polypyrrole
... The polymer products arising from the hydrochloric acid treatment of aqueous pyrrole were shown to have spectroscopic data consistent with alternating pyrrole and pyrrolidine units with varying degrees of ring opening of ...
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Redox cationic polymerisation
... Table 3.26: Glass transition tem.perature (Tg) of a typical polyether formed by surface promoted redox cationic (SPRC) polymerisation, using a commercial anaerobic acrylate product as[r] ...
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Chiral polymerisation and the RNA world
... chiral polymerisation and RNA self-replication there is a symmetric solution where both enantiomers, or chains of all compositions, occur with equal ...chiral polymerisation model is ...the ...
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Symmetry breaking in chiral polymerisation
... Keywords: autocatalysis, bifurcations, chiral polymerisation, cross-catalysis, growth kinet- ics, symmetry-breaking. 1 Introduction Studies of the origins of life raise many associated fundamental questions. Among ...
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