Max-Planck-Gesellschaft Zur F&#xf6;rderung Der Wissenschaften E. V.

Klaus Tauer

Peter H Seeberger

Hansjoerg Gruetzmacher

Judith Braeuer

Paola Laurino

Hansjörg GRÜTZMACHER

Judith BRÄUER

A process for the preparation of modified polymers by a photo-initiated polymerization includes preparing a polymerization medium comprising at least one photoinitiator comprising at least one phosphorous oxide (P&#x2550;O) group or at least one phosphorous sulfide (P&#x2550;S) group, and at least one polymerizable monomer. The at least one polymerizable monomer is polymerized by irradiating the polymerization medium with electromagnetic radiation so as to induce a generation of radicals so as to obtain a polymer. The polymer is modified by irradiating the polymer with electromagnetic radiation so as to induce a generation of radicals from the polymer in a presence of at least one modifying agent.

Process for the modification of polymers, in particular polymer nanoparticles

A process for the preparation of polymer lattices comprising polymer nanoparticles by a photo-initiated heterophase polymerization includes preparing a heterophase medium comprising a dispersed phase and a continuous phase and at least one of at least one surfactant, at least one photoinitiator, and at least one polymerizable monomer. The at least one polymerizable monomer is polymerized by irradiating the heterophase medium with electromagnetic radiation so as to induce a generation of radicals. The at least one photoinitiator is selected from compounds comprising at least one phosphorous oxide group (P&#x2550;O) or at least one phosphorous sulfide (P&#x2550;S) group. The irradiating of the heterophase medium is effected so that a ratio of an irradiated surface of the heterophase medium to a volume of the heterophase medium is at least 200 m.

Ultra fast process for the preparation of polymer nanoparticles

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Stahnsdorf, Germany

Klaus Tauer