This is the same for the behavior of both IPNs with the lowest PMAA content, namely PMDM4 (φ PMAA = 0.14) and PMDM5 (φ PMAA = 0.09), which also does not show a clear trend of decreasing its ESR as temperature increases ( Table S1 , F < Fcrit).
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Stimuli-Responsive Hydrogels of Poly(Methacrylic Acid)/Poly(N,N-dimethylacrylamide) Interpenetrating Polymer Networks as Drug Delivery Systems for Promethazine Hydrochloride.
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