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Cross-sectional SEM micrographs of the semi-IPNs with PDMAEMA250 (images A, A’, B, and B’) and PDMAEMA85 (images C and C’), at a cross-linking ratio of PAAm of 1:80 (images A, B, C) and of 1:40 (images A’, B’, C’). (The composition of the samples can be found in Table 2 following the sample code).
