Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 10, Issue 49, Pages 43262-43274Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.8b16845
Keywords
PBO fibers; metal-organic-frameworks; adsorption strategy; anti-UV property; synergistic effects
Funding
- National Natural Science Foundation of China [51673053]
- Natural Science Foundation of Heilongjiang Province [LC2017024]
- Fundamental Research Funds for the Central Universities [2013016]
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A metal organic framework (MOF)-mediated adsorption strategy is first developed for improving the anti ultraviolet (UV) properties of poly(p-phenylene benzobisoxazole) (PBO) fibers. In this work, UIO-66 was successfully anchored onto the surface of PBO fibers by one-step microwave-assisted heating method. The experimental results showed an obviously enhanced surface energy (91.1%), roughness (268.4%), interfacial shear strength (49.0%), and anti-UV properties (66.7%) compared to pristine PBO fibers. The anti-UV dye (tartrazine) was further immobilized onto the surface of PBO fibers via an adsorption strategy mediated by UIO-66. Interestingly, the PBO@tartrazine fibers demonstrated superior anti-UV performance (further up to 81.5%) compared to PBO@UIO-66 fibers. The extraordinary anti-UV properties of PBO@ tartrazine fibers could be rationally ascribed to the synergistic effects of UIO-66 and tartrazine molecules. Considering the diversities and functionalities of MOFs and targeted materials, our work indicates that the MOF-mediated adsorption strategy would promisingly endow PBO fibers with other desired performance and applications such as solar-thermal transition and self-healing abilities.
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