Hydrogels are being studied for various applications in medicine, stimuli responsive actuation, super absorbency, filtration, and coatings. In the present study we have studied the usage of carboxymethyl cellulose-based transparent films mounted onto paper substrates for developing a photo-degradable surface patterning. The photo-degradation event causes stress imbalance at weakened places which tend to swell more and develop a channel wall-like structure. Any polymeric ink on surface self-distributes along these channels. Further, rapid drying of the hydrogels causes surface splitting due to stresses that are a result of the ink-filled channels drying and separating. Controlling the channel width and ink pH contribute to variations in ink deposition along the channels

Photo-degradable bio-basedgels as platforms for electrical conductivity

2019 Spring National Meeting

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