FIELD: production of polymer products. SUBSTANCE: polymerization is carried out in presence of pyrogenic and thermally prepared superfine silicon dioxide. As the latter, Aerosil or kabosil is used. To liquid monomer-containing medium, grainy filler (aluminum hydroxide or oxyhydrate) is added. EFFECT: because of presence of silicon dioxide, polymerization control is provided and settling of relatively coarse particles of grainy filler prevented. 6 cl
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Authors
Dates
1997-11-27—Published
1994-12-22—Filed