Processes for the Production of Syndiotactic Polystyrene

Aida, Masao; Habermann, D.; Leder, H.; Schellenberg, Jürgen

doi:10.1002/9780470557006.ch12

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2020

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“…The lack of steric control is not necessarily an issue for polymer synthesis, since several polymers are formed by diastereomeric mixtures or without a specific tacticity. 17,25 If required, a more enantiopure product could be obtained with the use of a Sharpless catalyst. 26 However, the reaction is not environmentally friendly.…”

Section: Resultsmentioning

confidence: 99%

Synthesis of novel carvone (meth)acrylate monomers for the production of hydrophilic polymers with high terpene content

Montanari

Taresco

Liguori

et al. 2020

Polymer International

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The terpene-based monomers and polymers reported in the literature are mostly hydrophobic and this is limiting their use in aqueous environments. To address this drawback, we have developed a novel synthetic strategy to functionalise a model terpene monomer in order to improve hydrophilicity and the number of polar groups on the polymer side chains. To produce a highly hydrophilic monomer, carvone (meth)acrylate was chosen as the primary feedstock. Carvone has more functionalisable double bonds than other commercial cyclic terpenes and offers the potential for the maximum number of hydrophilic groups per monomer molecule. The monomers were homopolymerised and copolymerised to generate novel green hydrophilic and amphiphilic terpene-based polymers which were characterised by 1 H-13 C NMR, gel permeation chromatography, TGA and DSC analyses.

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Section: Resultsmentioning

confidence: 99%