| abstract |
The invention relates to shaped polymeric complexes of metals of the 8th subgroup of the periodic table with ligands from an organosiloxane copolycondensate which is crosslinked, if appropriate, by means of Si, Ti, Zr and / or Al-containing crosslinkers (random, block-shaped or mixed). This consists of units R 5 = alkylene bonded directly to P or N with C 1 -C 10 , cycloalkylene with C 5 -C 8 or The ratio between the number of moles of units (II) and the number of moles of bonded metal atoms is 1: 1 to 1000: 1 and the ratio between units (I) and (II) is preferably 10:90 to 95: 5 mol%.n n n n The polymeric complex compounds are macroscopically present as spherical particles with a diameter of 0.01 to 3.0 mm, a BET surface area of> 0 to 1000 m 2 / g, a specific pore volume of 0.01 to 6.5 ml / g and a bulk density of 50 to 1000 g / l .n n n The invention also relates to several production processes for the substances according to the invention with special post-treatment stages and the use of the polymeric metal complexes as catalysts in organic chemistry. |