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法國圖盧茲大學(xué)招收2025年CSC合作渠道聚合物方向博士生-LHFA實驗室
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法國圖盧茲第三大學(xué)(Universite Toulouse III - Paul Sabatier) CNRS-LBPB課題組Dr. Didier Bourissou和Prof. Blanca Martin Vaca現(xiàn)根據(jù)實驗室需求需招收一名聚合物方向博士生,預(yù)計2025年9月或10月入學(xué)。關(guān)于LBPB的更多信息可通過課題組網(wǎng)站了解:https://lhfa.cnrs.fr/index.php/en/teams/lbpb-en/accueil-lbpb-en. (備注:這里的老師都非常友善和耐心,有問題老師都會積極幫你解決,課題組氛圍活躍,歡迎感興趣的同學(xué)加入我們。) 研究內(nèi)容:聚焦于新型功能化單體的設(shè)計及其開環(huán)(共)聚合,以制備具有可控結(jié)構(gòu)和性能的可降解聚合物。 研究包括:(i)新單體與共聚合物的合成及催化,(ii) 聚合物性能(降解、包裹能力等)的分析,(iii)解聚回收單體的閉環(huán)過程。 申請要求:候選人需具備分子化學(xué)及合成經(jīng)驗,有聚合物化學(xué)背景者優(yōu)先。熟悉相關(guān)表征技術(shù),如nmr, IR, SEC, MALDI-TOF等,并具備一定的英語能力(可提供語言證明)和團隊精神。 感興趣的申請者可直接聯(lián)系:blanca-maria.martin-vaca@univ-tlse3.fr / didier.bourissou@univ-tlse3.fr 更多信息參見下面的英文部份: Context. Aliphatic polycarbonates and polyesters concentrate considerable attention not only in the medical field, due to their biodegradable character, but also for packaging and other commodity applications, thanks to additional suitable physical properties,1 as well as chemical recyclability.2 Further developments in these areas require reliable access to a broad range of polycarbonates / polyesters with different and well-controlled structures. One method to achieve this goal is the ring-opening (co)polymerization (ROP) of tailor-made monomers, which permits to tune the polymer properties by introducing new functional groups either on the polymer backbone or as a lateral group. It is thus very desirable to improve the access to functionalized monomers and to develop reliable methods for their controlled (co)polymerization. Our team has strong expertise in the development of catalytic systems (organic and dual systems) capable to promote controlled ROP of lactones and cyclic carbonates leading to biodegradable polymers of tuned properties.3 On the other side, we have recently reported three new monomers A-C (based on lactones and cyclic carbonates) designed for giving access to modified polyesters and polycarbonates.4 Objectives. In this PhD project, we aim to prepare new monomers by structural modulation of monomers A-C in order to impart new properties to the ensuing copolymers. The organocatalyzed polymerization of the new monomers will be investigated, as well as their copolymerization with appropriate co-monomers (lactones or cyclic carbonates). The impact of new functional groups on the properties of the polymers (degradation rates, self-segregation properties, encapsulation of active ingredients …) and the closing-loop by depolymerization back to the monomer will also be investigated. This is a multidisciplinary project involving: (i) synthetic and catalytic methodologies for the preparation of new monomers and (co)polymers, (ii) a large span of analytical methods (multi-nuclear NMR, IR spectroscopy, Maldi-TOF mass spectrometry, size-exclusion chromatography…), and (iii) investigation of the (co)polymer properties and applications. |
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