| abstract |
A single or multiple component composition for producing a hydrogel comprising the constituents: a) a radically polymerizable monomer or prepolymer system, b) a free radical initiator, c) optionally a catalyst for said initiator, wherein the system of radically polymerizable monomer or prepolymer comprises: a1) at least one water-soluble (meth) acrylic compound liquid at room temperature supported on at least one solid carrier and / or a2) at least one solid water-soluble (meth) acrylic compound or liquid at room temperature dissolved in a liquid solution, preferably in an aqueous solution, the liquid solution of which is supported on at least one solid carrier, and wherein the at least one solid carrier is selected from the group consisting of pearlite particles, expanded pearlite , glass, phonolite, calcium silicates, fumed silica, precipitated silica, silica gel, expanded polyurethane, polysaccharides, expanded vermiculite ida, clay minerals, smoked metal oxides, zeolites, kieselguhr and mixtures thereof. |