prov:value
| - Amongst the crosslinking agents described in U.S. Pat. No. 2,923,692, it is preferable to use divinylbenzene, dienes, such as butadiene, or polyalkenyl polyethers of polyhydroxyalcohols having more than one, preferably two or more, CH2 ???C< groups per molecule, because they produce particularly highly crosslinked polymers, Examples of advantageous compounds belonging to the group comprising polya
|