1) The polymer chain forms slowly, sometimes requiring several hours
to several days.
2) All of the monomers are quickly converted to oligomers, thus, the
concentration of erowinz chains is hieh. ~ ~~ ~
.O Sincr most iofth~rhem~crxel- 4msemploved have rrlativrly high
rnergirr ut srrivnrwn, the pdymrriratiun mixrurr id UIURII) heated
to high temperatures.
4) Step-reaction polymerizations normally afford polymers with
moderate molecular weights, i.e.,