Table 5. KHI Performance of PMA–DBAPA and PMA–DBAPA-AO at Varying Concentration^a.

polymer	concentration (ppm)	Av. To	Av. Ta
PMA–DBAPA	1000	11.9	11.7
PMA–DBAPA-AO	1000	9.9	9.8
PMA–DBAPA	2500	10.5	9.8
PMA–DBAPA-AO	2500	9.0	8.7
PMA–DBAPA	5000	10.1	9.2
PMA–DBAPA-AO	5000	8.9	8.1

^aPMA M_n 400 g/mol, PDI = 9.15 used as starting material.