Table 1: Conversion of the NIPA/MMA/(NTBA or AA) terpolymerizations.

Sample hydrogelsNIPA/MMA/(NTBA or AA) mole ratio (%)NIPA (g)MMA (g)NTBA (g)AA (g)Conversion (%)

P(NIPA)100
NIPA/AA/NTBA50/10/400.850.760.1
NIPA/AA/NTBA50/40/100.850.190.41
NIPA/MMA/NTBA50/10/400.850.160.76
NIPA/MMA/AA50/40/100.850.640.1
NIPA/MMA/AA50/10/400.850.160.41
NIPA/MMA/NTBA50/40/100.850.640.19
NIPA/MMA/NTBA60/30/101.0180.480.19
NIPA/MMA/NTBA60/20/201.0180.320.38
NIPA/MMA/NTBA60/10/301.0180.160.57
NIPA/MMA/AA60/30/101.0180.480.1
NIPA/MMA/AA60/20/201.0180.320.21
NIPA/MMA/AA60/10/301.0180.160.31
NIPA/AA/NTBA60/20/201.0180.380.21
NIPA/AA/NTBA60/10/301.0180.570.10
NIPA/AA/NTBA60/30/101.0180.190.31
NIPA/MMA/NTBA80/5/151.360.080.29
NIPA/MMA/AA80/5/151.360.080.16
NIPA/MMA/NTBA80/15/51.360.240.10
NIPA/MMA/AA80/15/51.360.240.05
NIPA/NTBA/AA80/10/101.360.190.10
NIPA/AA/MMA80/10/101.360.160.10
NIPA/NTBA/MMA80/10/101.360.160.19
NIPA/NTBA/AA80/5/151.360.100.16
NIPA/NTBA/AA80/15/51.360.290.05