Table 1.

GPC analysis of prepared polymers

Polymer	Area (%)	Mn	Mw	Mz	Mw/Mn (PDI)
X	92.7	50,600	131,700	307,200	2.6
Y	70.5	6600	28,000	66,300	4.2
XYX	94.8	45,700	183,400	605,000	4.0
XY	95.8	42,900	155,700	458,200	3.6
YXY	96.5	50,400	179,700	546,400	3.5