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Menthane diamine promotes the strength and toughness of H-bonding and disulfide bonding-based self-healing polyurethane elastomers and simultaneously improves the elasticity and self-healing performance.

The absorbent materials synthesized from biosources with low cost and high selectivity for oils and organic solvents have attracted increasing attention in the field of oil spillage and discharge of organic chemicals. We developed a convenient surface-grafting method to prepare efficient and recyclable biobased aerogels from epoxidized soybean oil (ESO)modified cellulose at room temperature. The porous network-like structure of the cellulose aerogel was still fully retained after undergoing hydrophobic modification with ESO. Moreover, the modified aerogels possessed excellent hydrophobicity with a water contact angle of 132.6°. Moreover, the absorbent ability of the hydrophobic cellulose aerogels was systematically assessed. The results showed that modified aerogels could retain more than 90% absorption capacity even after 30 absorption− desorption cycles, indicating that the ESO-grafted cellulose aerogels have practical applications in the oil−water separation from industrial wastewater and oil-leakage removal.

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