Process for the preparation of alkylated N- or amino, ammonium or
spirobicyclic ammonium group-containing, crosslinked polymer gels, which
is characterized in that a) in the crosslinkage step an aqueous solution
of a polymer obtained by polymerization of the corresponding monomer is
adjusted to a pH of 7.5 14 at a temperature of 0 to 90.degree. C., then
the appropriate crosslinking agent is metered in and precrosslinkage is
carried out with stirring and the precrosslinked polymer is transferred
for complete curing to a curing container, whereupon b) the cured crude
gel is cut into a defined shape, then c) washed with methanol batchwise
in a static or stirred bed and directly following this d) in methanol,
the alkylation is carried out, after which the alkylated gel e) is first
washed batchwise by means of methanol/NaCl washes in a static or stirred
bed or continuously, then f) batchwise by means of NaCl washes and final
water washes with deionized water in a static or stirred bed or
continuously and also a process for the preparation of the alkylators
used in sted d).