Chemoenzymatic Synthesis of New Brush Copolymers Comprising Poly(ω-pentadecalactone) with Unusual Thermal and Crystalline Properties

Autor:	Ajay Kumar, Richard A. Gross, Mariastella Scandola, Massimo Baiardo, Bhanu Kalra
Rok vydání:	2004
Předmět:	Polymers and Plastics Ethylene oxide Organic Chemistry Radical polymerization Ring-opening polymerization Inorganic Chemistry chemistry.chemical_compound Monomer chemistry Polymerization Polymer chemistry Materials Chemistry Copolymer Thermal stability Ethylene glycol
Zdroj:	Macromolecules. 37:1243-1250
ISSN:	1520-5835 0024-9297
DOI:	10.1021/ma035083t
Popis:	Lipases from different sources were screened to determine their relative performance to catalyze ω-pentadecalactone (PDL) ring-opening polymerization from the hydroxyl group of 2-hydroxyethyl methacrylate (2-HEMA) and ω-hydroxyl-ω‘-methacrylate−poly(ethylene glycol) [PEGMA (Mn 360)]. Novozym 435 was found to be the most active biocatalyst for 2-HEMA/PEGMA-initiated PDL ring-opening polymerizations at 70 °C for 48 h in toluene (1:2 w/v of monomers). Thus, 2-HEMA-terminated PPDL was synthesized in yields of ∼80% and with
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::6f3fc96551c62e0bc72871594fb70288 https://doi.org/10.1021/ma035083t Zobrazit plný text záznamu