Reference : Organic compositions for repeatedly adjustable optical elements and such elements
Patent : Patent
Physical, chemical, mathematical & earth Sciences : Chemistry
Engineering, computing & technology : Materials science & engineering
http://hdl.handle.net/2268/199552
Organic compositions for repeatedly adjustable optical elements and such elements
English
Jérôme, Christine mailto [University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)]
Jellali, Rachid [University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)]
Alexandre, Michaël [University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)]
6-Mar-2014
2012-09-06
United States Patent Application
US 2014066537
US201213605058 20120906
A
United States
University of Liège (ULg)
C08F2/46; C08G77/04
C08L83/08; C08G77/388
-
-
[en] biomaterial ; implant ; intraocular lens
[en] The present invention relates an organic liquid composition comprising a mixture of a first polymer with a linear polymeric chain having two photoactive groups as endgroup; and a second polymer with a multifunctional polymeric chain having at least three photoactive groups, that can reversibly and repeatedly crosslink to form a solid polymer network wherein said liquid composition been crosslinked by irradiation with at least one wavelength L1 and been uncrosslinked at least locally by irradiating the network with at least one other wavelength L2 in order to repeatedly adjust shape and optical properties of said composition in its crosslinked state. The composition is applicable as a starting material for intraocular lenses and for other lenses and optical elements.
Center for Education and Research on Macromolecules (CERM)
Researchers
http://hdl.handle.net/2268/199552

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