Photopolymerization of Pluronic F127 diacrylate: a colloid-templated polymerization

Autor:	Manuela Di Biase, Ian W. Hamley, Valeria Castelletto, Piero De Leonardis, Brian Derby, Nicola Tirelli
Rok vydání:	2011
Předmět:	Acrylate technology industry and agriculture General Chemistry Poloxamer Condensed Matter Physics Micelle chemistry.chemical_compound Colloid Photopolymer chemistry Polymerization Self-healing hydrogels Polymer chemistry Bifunctional
Zdroj:	Soft Matter. 7:4928
ISSN:	1744-6848 1744-683X
Popis:	Pluronic F127 diacrylate (F127DA) is a bifunctional acrylate and as such it should in principle produce macroscopically cross-linked materials; however, its photopolymerization in water does not lead to 3D-extended hydrogels. The main species present after photopolymerization appear to be cross-linked micelles, which indicates that the micellar morphology of F127DA has a template effect on the polymerization. The structural analogy causes the physical state of precursor and polymerized materials to be very similar for a wide range of concentrations (5–25% wt) and temperatures (10–37 °C). Also the long-range morphology of F127DA appears to have a template effect: samples photopolymerized in a micellar gel state and redispersed at high concentration (25% wt) show a long-range organization that depended on the concentration and therefore on the order of the precursor.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::ec8477d91f9584a8cc2eb7d970a004da https://doi.org/10.1039/c1sm05095h Zobrazit plný text záznamu