Engineering Soft, Elastic, and Conductive Polymers for Stretchable Electronics Using Ionic Compatibilization

Le, My Linh; Lapkriengkri, Intanon; Albanese, Kaitlin R.; Nguyen, Phong H.; Tran, Cassidy; Blankenship, Jacob R.; Segalman, Rachel A.; Bates, Christopher M.; Chabinyc, Michael L.

doi:10.1021/acs.chemmater.3c01685

Cited by 4 publications

(1 citation statement)

References 74 publications

(127 reference statements)

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“…Ionic interactions resulted in a coacervate that after drying yielded a soft material with a low E = 0.7 MPa but ε break = 430%, which upon doping with H-TFSI turned into an elastic conductor with a lower E = 0.2 MPa and ε break = 94%. 116 …”

Section: Impact Of Chemical Doping On the Mechanical Propertiesmentioning

confidence: 99%

Impact of doping on the mechanical properties of conjugated polymers

Paleti,

Kim,

Kimpel

et al. 2024

Chem. Soc. Rev.

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Section: Impact Of Chemical Doping On the Mechanical Propertiesmentioning

confidence: 99%

Impact of doping on the mechanical properties of conjugated polymers

Paleti,

Kim,

Kimpel

et al. 2024

Chem. Soc. Rev.

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Enhancing the Biomimetic Mechanics of Bottlebrush Graft‐Copolymers through Selective Solvent Annealing

Umarov,

Collins,

Nikitina

et al. 2024

Macromol. Rapid Commun.

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Self‐assembled networks of bottlebrush copolymers are promising materials for biomedical applications due to a unique combination of ultra‐softness and strain‐adaptive stiffening, characteristic of soft biological tissues. Transitioning from ABA linear‐brush‐linear triblock copolymers to A‐g‐B bottlebrush graft copolymer architectures allows significant increasing the mechanical strength of thermoplastic elastomers. Using real‐time synchrotron small‐angle X‐ray scattering, it is shown that annealing of A‐g‐B elastomers in a selective solvent for the linear A blocks allows for substantial network reconfiguration, resulting in an increase of both the A domain size and the distance between the domains. The corresponding increases in the aggregation number and extension of bottlebrush strands lead to a significant increase of the strain‐stiffening parameter up to 0.7, approaching values characteristic of the brain and skin tissues. Network reconfiguration without disassembly is an efficient approach to adjusting the mechanical performance of tissue‐mimetic materials to meet the needs of diverse biomedical applications.

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Study on the impact of hybridization of spherical fillers with size differences and sheet fillers on the thermal conductivity and anticorrosive performance of composite coatings

Ma,

Zhao,

You

et al. 2024

Polymer Composites

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The improvement of anti‐corrosion performance and enhancement of functionality in anti‐corrosion coatings are essential. Boron nitride (BN), as a two‐dimensional thermal conductive filler, is incorporated into composite coatings to provide corrosion resistance and thermal conductivity. The combination of BN with zero‐dimensional filler alumina (Al2O3) proves to be an effective method for enhancing the thermal conductivity of composite coatings. In this study, micro alumina (Micro‐Al2O3) and/or nano alumina (Nano‐Al2O3) were combined with BN to be integrated into waterborne epoxy resin (WER), resulting in different composite coatings (BN@Micro‐Al2O3/WER, BN@Nano‐Al2O3/WER, and BN@Micro‐Al2O3/Nano‐Al2O3/WER). The influence of different hybrid modes of two‐dimensional and zero‐dimensional thermal conductive fillers on corrosion resistance and thermal conductivity was discussed. The composite coating BN@Micro‐Al2O3/Nano‐Al2O3/WER exhibits the highest thermal conductivity at 0.789 W/mK with a filler loading of 30 wt% BN, 4 wt% Micro‐Al2O3, and 6 wt% Nano‐Al2O3. Meanwhile, the composite coating BN@Nano‐Al2O3 demonstrates superior anti‐corrosion performance at a filler loading of 20 wt% BN and 10 wt% Nano‐Al2O3. After immersion in a 28‐day period in a NaCl solution with a concentration of 3.5%, the impedance modulus remains above 109 Ω·cm2, while corrosion current density is measured at 7.3367 × 10−8 A/cm2. The hybrid mode involving two‐dimensional and zero‐dimensional thermal conductive fillers can effectively improve the composite coatings' corrosion resistance and thermal conductivity. There are variations in the optimal hybrid methods for incorporating two‐dimensional and zero‐dimensional thermal conductive fillers to enhance anti‐corrosion and heat conduction effectiveness of coatings.Highlights The properties of coating is improved by the incorporation of BN and Al2O3. The prepared coating performs good thermal conductivity. The synergy of BN and Al2O3 can improve thermal conductivity significantly. The obtained coating performs good corrosion resistance. The synergy of BN and Al2O3 can also improve anti‐corrosion effectively.

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Engineering Soft, Elastic, and Conductive Polymers for Stretchable Electronics Using Ionic Compatibilization

Cited by 4 publications

References 74 publications

Impact of doping on the mechanical properties of conjugated polymers

Impact of doping on the mechanical properties of conjugated polymers

Enhancing the Biomimetic Mechanics of Bottlebrush Graft‐Copolymers through Selective Solvent Annealing

Study on the impact of hybridization of spherical fillers with size differences and sheet fillers on the thermal conductivity and anticorrosive performance of composite coatings

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