Figure 1 | Polymer Journal

Figure 1

From: Recent advances in hydrogels in terms of fast stimuli responsiveness and superior mechanical performance

Figure 1

(a) Schematic illustration of the deswelling kinetics of hydrogels shrinking beneath their phase-transition temperatures. (b) Time course of deswelling for hydrogels undergoing shrinking at 40 °C in response to a stepwise temperature change from 10 °C. NG: traditional poly (N-isopropylacrylamide) (PNIPA) hydrogel; GG: comb-type grafted PNIPA hydrogel; 2900, 4000 and 9000 are the molecular weights of the grafted chains. (Reproduced with permission from Kaneko et al.20)

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