METHOD FOR PRODUCING POLYMERS OF SUSPENSION POLYMERIZATION WITH AVERAGE SIZES OF PARTICLES FROM 1 TO 40 microns, AND ALSO FORMING MASSES AND FORMED PRODUCTS CONTAINING POLYMER OBTAINED BY SUSPENISISISIS

摘要

1. A method of producing polymers by suspension polymerization with an average particle size in the range from 1 to 40 μm, in which the polymerizable composition is dispersed and polymerized in the aqueous phase, and the dispersion stabilized by the aluminum compound is obtained at a shear rate of ≥103 s-1, characterized in that they use a polymerizable composition, which accordingly, based on its total weight, contains! a) more than 50.0 wt.%, at least one compound of formula (I),! ! wherein 1R is hydrogen or a linear or branched alkyl group having from 1 to 6 carbon atoms, and residues from 2R to 6R are respectively independently hydrogen or a linear or branched alkyl group having from 1 to 6 carbon atoms, or halogen! b) from 0.1 to 10.0 wt.%, at least one crosslinking agent and! c) less than 49.9% by weight of at least one compound of formula (II),! ! wherein R is hydrogen or methyl, 7R is a linear or branched alkyl group or, optionally, an alkylated cycloalkyl group having from 1 to 40 carbon atoms, and the residues 8R and 9R, respectively, independently of one another, are hydrogen or a group of the formula COOR ′ wherein R 'is hydrogen or an alkyl group having from 1 to 40 carbon atoms. ! 2. The method according to claim 1, characterized in that they use a polymerizable composition, which accordingly, based on its total weight contains! from more than 50.0 to 99.0 wt.%, at least one compound of formula (I),! from 0.1 to 5.0 wt.%, at least one crosslinking agent and! from 0.9 to less than 49.9 wt.%, of at least one compound of the formula (II). ! 3. The method according to claim 2, characterized in