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Ting Yang, Michael Malkoch and Anders Hult Sequential interpenetrating poly(ethylene glycol) hydrogels prepared by UV-initiated thiol–ene coupling chemistry Journal of Polymer Science Part A: Polymer Chemistry 51

Version of Record online: 15 OCT 2012 | DOI: 10.1002/pola.26393

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This article describes the exploitation of the UV-initiated thiol-ene coupling chemistry for the preparation of interpenetrating network (IPN) hydrogels based on polyethylene glycol of 2–8 kDa. The facile methodology resulted in the assembly of a comprehensive library of sequential IPNs with gel fractions above 85%. As a result, parameters such as the swelling degree and the tensile modulus were effectively controlled to cover a wider range that goes beyond simple primary networks.

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