Highly recyclable multi-core@shell-like HS-PDA@PEI-SA@PEI beads with interior/surface accessible polyethylenimine have been designed for ultrahigh Cr(vi) sorption performance.
A phosphorescence-based flexible
optical temperature-sensing skin
was developed for temperature sensing in intelligent bionic robots
and automated medical treatment. 4,4-Diamino diphenyl ether and 4,4′-oxydiphthalic
anhydride were combined as polyimide for use as the substrate of the
flexible sensor. The substrate was doped with 6 μm MFG particles
as temperature probes. Ultrasonic dispersion and thermal imidization
were used to prepare a 45-μm-thick flexible temperature sensor.
Compared with a traditional electronic-based flexible temperature
sensor, the flexible temperature sensor has the advantages of noncontact
measurement, a wide range of measurement temperature (−150
to 300 °C), high spatial resolution, and accuracy. It can also
survive in harsh environments, including extremely low temperatures
and high temperatures, and can withstand large deformations and large
stresses. Its flexibility, extreme environmental resistance, and excellent
mechanical properties show that it has great potential for wireless
temperature measurement.
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