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  • 1. Albertsson, A-C.
    et al.
    Karlsson, S.
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Polymer Technology.
    The Influence of Biotic and Abiotic Environments on the Degradation of Polyethylene.1990In: Progress in polymer science, ISSN 0079-6700, E-ISSN 1873-1619, Vol. 15, no 2, p. 177-192Article in journal (Refereed)
  • 2.
    Garcia Gallego, Sandra
    et al.
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
    Nyström, Andreas M.
    Malkoch, Michael
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Coating Technology.
    Chemistry of multifunctional polymers based on bis-MPA and their cutting-edge applications2015In: Progress in polymer science, ISSN 0079-6700, E-ISSN 1873-1619, Vol. 48, p. 85-110Article, review/survey (Refereed)
    Abstract [en]

    Polymers play an important role in the advancement of materials for use in cutting-edge applications. A direct consequence of an increased demand for more sophisticated materials has been a drive toward developing polymers that exhibit a higher level of structural control, especially in terms of the number and type of functionalities provided within the polymer framework. A family of polymers that meets such a challenge is based on the readily available AB2 monomer 2,2-bismethylolpropionic acid (bis-MPA) building block. Due to the ease with which the monomers can be synthesized, an array of multifunctional polymers have been produced including monodisperse dendrimers and dendrons and well-defined linear polymers as well as linear-dendritic hybridizations. This review outlines the evolution of the synthetic strategies for developing novel polymeric architectures based on bis-MPA and their assessment in both solution and substrate-based innovative applications.

  • 3.
    Guo, Baolin
    et al.
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
    Glavas, Lidija
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
    Albertsson, Ann-Christine
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
    Biodegradable and electrically conducting polymers for biomedical applications2013In: Progress in polymer science, ISSN 0079-6700, E-ISSN 1873-1619, Vol. 38, no 9, p. 1263-1286Article, review/survey (Refereed)
    Abstract [en]

    Conducting polymers have been widely used in biomedical applications such as biosensors and tissue engineering but their non-degradability still poses a limitation. Therefore, great attention has been directed toward the recently developed degradable and electrically conductive polymers (DECPs). The different strategies for synthesis of degradable and conducting polymers containing conducting oligomers are summarized and discussed here as well as the influence of different macromolecular architectures such as linear, star-shaped, hyperbranched and cross-linked DECPs. Blends and composites of biodegradable and conductive polymers are also discussed. The developing trends and challenges with the design of DECPs are also presented.

  • 4.
    Varma, Indra Kumari
    et al.
    Centre for Polymer Science and Engineering, Indian Institute of Technology, Delhi.
    Albertsson, Ann-Christine
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
    Rajkhowa, Ritimoni
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
    Srivastava, Rajiv
    KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
    Enzyme catalyzed synthesis of polyesters2005In: Progress in polymer science, ISSN 0079-6700, E-ISSN 1873-1619, Vol. 30, no 10, p. 949-981Article in journal (Refereed)
    Abstract [en]

    In vitro enzyme catalyzed synthesis of polyesters is a new technique of polymer synthesis and is an eco-friendly process having several benefits over conventional chemical polymerization. In this article lipase-catalyzed ring-opening polymerization of lactones, lactides and macrolides, cyclic carbonates, cyclic phosphates, cyclic depsipeptides and copolymerization of oxiranes with dicarboxylic acid anhydrides leading to the formation of polyesters, polycarbonates, polyphosphates and poly(ester-amides) has been reviewed in detail. The effect of reaction parameters, i.e. solvent, temperature, enzyme and monomer concentration, on the rate and molecular weight of the polymers is discussed. Synthesis of polyesters by step-growth polycondensation reactions using simple diacids and diols, hydroxy acids or transesterification reaction of simple or activated diesters with diols has also been surveyed. The general mechanisms of ring-opening and step-growth polymerization have also been considered. Lipase hydrolyzes the ester bonds of polyesters in an aqueous medium and recombines the cleaved moiety in non-aqueous medium. The possibility of utilizing such reactions for the repetitive recycling of biodegradable polyesters has been highlighted.

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