processo para produzir polímeros de estireno expansíveis, e, material com pérola de pré-polímero
a) Production of prepolymer beads through a first suspension polymerization reaction using an aqueous suspension comprising styrene monomers and comprising particulate additives, b) isolation of the prepolymer beads, c) optional division of the prepolymer beads into fractions of different particle s...
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| creator | FRANKBRAUN GREGOR HAVERKEMPER UWE-JOHANNES LEHNEN BERNHARD SCMIED KLAUS HAHN PASCAL HESSE PATRICK SPIES RAINER OSTERMANN JAN HOLOCH LIBOR SEDA |
| description | a) Production of prepolymer beads through a first suspension polymerization reaction using an aqueous suspension comprising styrene monomers and comprising particulate additives, b) isolation of the prepolymer beads, c) optional division of the prepolymer beads into fractions of different particle size and selection of one or more fractions for subsequent stages, d) production of an aqueous suspension of the prepolymer beads and conduct of a second suspension polymerization reaction in the presence of blowing agent and with addition of further monomers. |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP |
| title | processo para produzir polímeros de estireno expansíveis, e, material com pérola de pré-polímero |
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