<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Hydrogels are a unique class of macromolecular networks that can hold a large fraction of an aqueous solvent within their structure. They are suitable for biomedical area including controlled drug delivery and for technical applications as self-adhesive materials for bonding of wet surfaces. This paper describes photoreactive self-adhesive hydrogels based on acrylics crosslinked using UV radiation. They are prepared in ethyl acetate through radical polymerization of monomers mixture containing 2-ethylhexyl acrylate (2-EHA), butyl acrylate (BA), acrylic acid (AA) and copolymerizable photoinitiator 4-acryloyloxy benzophenone (ABP) at presence of radical starter 2.2’-azobis-diisobutyronitrile AIBN. The synthesized acrylic copolymers were determined by viscosity and GPC analysis and later modified using ethoxylated amines. 4-acryloyloxy benzophenone (ABP) was used as crosslinking monomer. After UV crosslinking the properties of these novel synthesized hydrogels, such as tack, peel adhesion, shears strength, elongation and water adsorption were also studied.</p></abstract>

Hydrogels are a unique class of macromolecular networks that can hold a large fraction of an aqueous solvent within their structure. They are suitable for biomedical area including controlled drug delivery and for technical applications as self-adhesive materials for bonding of wet surfaces. This paper describes photoreactive self-adhesive hydrogels based on acrylics crosslinked using UV radiation. They are prepared in ethyl acetate through radical polymerization of monomers mixture containing 2-ethylhexyl acrylate (2-EHA), butyl acrylate (BA), acrylic acid (AA) and copolymerizable photoinitiator 4-acryloyloxy benzophenone (ABP) at presence of radical starter 2.2’-azobis-diisobutyronitrile AIBN. The synthesized acrylic copolymers were determined by viscosity and GPC analysis and later modified using ethoxylated amines. 4-acryloyloxy benzophenone (ABP) was used as crosslinking monomer. After UV crosslinking the properties of these novel synthesized hydrogels, such as tack, peel adhesion, shears strength, elongation and water adsorption were also studied.

UV-crosslinkable photoreactive self-adhesive hydrogels based on acrylics

West Pomeranian University of Technology, Szczecin, Pułaskiego 10, 70-322 Szczecin, Poland

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"UV-crosslinkable photoreactive self-adhesive hydrogels based on acrylics"}

Hydrogels are a unique class of macromolecular networks that can hold a large fraction of an aqueous solvent within their structure. They are suitable for...

UV-crosslinkable photoreactive self-adhesive hydrogels based on acrylics

Online veröffentlicht: 30. Juni 2016

Seitenbereich: 126 - 130

DOI: https://doi.org/10.1515/pjct-2016-0039

Schlüsselwörter
self-adhesive hydrogels, acrylics, UV-crosslinking, tack, peel adhesion, water adsorption

© 2016 Zbigniew Czech et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

UV-crosslinkable photoreactive self-adhesive hydrogels based on acrylics

Online veröffentlicht: 30. Juni 2016

Seitenbereich: 126 - 130

DOI: https://doi.org/10.1515/pjct-2016-0039

Schlüsselwörterself-adhesive hydrogels, acrylics, UV-crosslinking, tack, peel adhesion, water adsorption

© 2016 Zbigniew Czech et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Schlüsselwörter
self-adhesive hydrogels, acrylics, UV-crosslinking, tack, peel adhesion, water adsorption