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A two-step method for the synthesis of a hydrophilic PDMS interpenetrating polymer network
YKI – Ytkemiska institutet.
YKI – Ytkemiska institutet.
2008 (English)In: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 110, no 5, 3059-3067 p.Article in journal (Refereed)
Abstract [en]

A hydrophilic PDMS (polydimethylsiloxane) surface was formed by the synthesis of an interpenetrating polymer network (IPN) in a two-step process. In the first step, PDMS was loaded with crosslinker and initiator using a solvent that swells the PDMS. In the second step, the PDMS sample was submerged into a solution containing the hydrophilic monomer followed by a UV-polymerization step. The choice of solvent in the second step is critical to obtain a hydrophilic surface. It can be concluded that the solubility parameter of the solvent should be above a threshold value. Hence, in the second step only sufficiently polar solvents will result in hydrophilic PDMS-IPNs. These principles are illustrated by using N-vinyl-2-pyrrolidone as the hydrophilic monomer forming PVP/PDMS-IPNs

Place, publisher, year, edition, pages
2008. Vol. 110, no 5, 3059-3067 p.
Keyword [en]
Interpenetrating polymer networks (IPN), silicones, hydrogels, thermodynamics, synthesis
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-26631OAI: oai:DiVA.org:ri-26631DiVA: diva2:1053634
Note
A1927Available from: 2016-12-08 Created: 2016-12-08Bibliographically approved

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