Journal
MACROMOLECULES
Volume 50, Issue 19, Pages 7475-7483Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.macromol.7b01691
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Funding
- National Science Foundation of China [51603002, 51773001]
- National Science Foundation [DMR-1252611]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1252611] Funding Source: National Science Foundation
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Sustainable functional materials derived from renewable biomass provide momentum for the communities of polymer science. We report a supramolecular approach to the preparation of strong biobased polymer nanocomposites with stimuli-responsive behaviors using soybean oil (SO) and cellulose nanocrystals (CNCs). SO-derived polymers were modified with hydroxyl -OH and carboxyl -COOH groups via thiol-ene click chemistry, facilitating hydrogen-bonding interactions with CNCs to improve the overall compatibility in the nanocomposites. These nanocomposites exhibited high tensile strength and maintained high storage modulus up to 200 degrees C. Moreover, these nanocomposites showed a fast and reversible mechanical response to water, an external stimulus to tune intermolecular hydrogen bonding.
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