Rapidly UV-curable resin for soft sensors of embedded 3D printing

Shi, Haolei; Wang, Ke; Liu, Yue; He, Kuai; Huo, Pengfei; Dong, Jidong; Jiang, Zaixing; Zhang, Dawei

doi:10.1016/j.eurpolymj.2022.111680

Cited by 4 publications

(2 citation statements)

References 37 publications

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“…Based on the fluid shear thinning principle, E-3DP technology aims to deposit composite conductive inks into a fluid medium over a precured support layer under the driving of air pumps. [31][32][33][34] Among the above methods, the E-3DP technology has been widely used in flexible sensor manufacturing due to a wide range of material adaptations and simple processes. 35 At present, the materials available for E-3DP are conductive metal inks 36 and carbon-based composite conductive inks.…”

Section: Introductionmentioning

confidence: 99%

“…This method offers high accuracy and excellent stability, but few types of thermoplastic elastic polymers and insufficient biocompatibility have limited the application of this technology in the flexible sensors field. Based on the fluid shear thinning principle, E‐3DP technology aims to deposit composite conductive inks into a fluid medium over a precured support layer under the driving of air pumps 31–34 . Among the above methods, the E‐3DP technology has been widely used in flexible sensor manufacturing due to a wide range of material adaptations and simple processes 35 .…”

Section: Introductionmentioning

confidence: 99%

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A stretchable flexible strain sensor with high sensitivity and fast response fabricated by embedded 3D printing of the hybrid polydimethylsiloxane/conductive carbon paste composites

Xiao,

Li,

et al. 2024

J of Applied Polymer Sci

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Flexible strain sensors are widely used in the fields of human motion monitoring, electronic skin, and soft robotics. In this work, to satisfy the demand for high‐sensitivity, low‐cost, and fast‐response flexible strain sensors for these fields, embedded 3D printing (E‐3DP) technology is employed to fabricate highly sensitive and fast‐responding flexible strain sensors. The effects of conductive carbon paste concentration and printing process parameters by establishing the E‐3DP system on the piezoresistive behavior of the sensor were investigated. The results show that the gauge factor of the strain sensor is about 36.1 and 247.67, under the strain of 0%–40% and 40%–45%, respectively. Its response/recovery time is about 250/350 ms. On this basis, the sensor can also accurately sense and distinguish the motion in distinct parts of the human body, demonstrating that the flexible strain sensor manufactured by the method possesses the potential to be widely used in the fields of human motion monitoring, electronic skin, and soft robotics.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A stretchable flexible strain sensor with high sensitivity and fast response fabricated by embedded 3D printing of the hybrid polydimethylsiloxane/conductive carbon paste composites

Xiao,

Li,

et al. 2024

J of Applied Polymer Sci

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Mechanically enhanced 3D printable photocurable resin composed of epoxy waste cooking oil and triethylene glycol dimethacrylate

Liu,

Li,

Wang

et al. 2024

J Polym Res

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This study introduces an innovative strategy, termed the "epoxidation & combination" approach, to create cost-effective and mechanically enhanced 3D printing photocurable materials by using waste cooking oil (WCO) as raw material. Within this strategy, WCO is rst subjected to epoxidation, yielding epoxy waste cooking oil (E-WCO). Subsequently, E-WCO is combined with triethylene glycol dimethacrylate (TEGDMA) to formulate a E-WCO plasticized TEGDMA photocurable resin suitable for 3D printing. Functioning as a plasticizing component, E-WCO effectively resides within the TEGDMA substrate with minimal migration (0.30% at 135℃ for 24 hours). Furthermore, appropriate addition of E-WCO signi cantly enhances the mechanical properties of the TEGDMA-based resin, especially in terms of toughness. The optimized composition of the E-WCO/TEGDMA 3D printing resin, with an E-WCO : TEGDMA mass ratio of 1:15, demonstrates exceptional mechanical strength. This includes a tensile strength of 16.74 MPa, an elongation at break of 32.93%, and an impact strength of 3.94 kJ/m 2 , surpassing the benchmarks of pure TEGDMA. When compared to commercial epoxy soybean oil (ESO), E-WCO provides an equivalent plasticizing effect, effectively enhancing material exibility. The transformation of WCO into the E-WCO/TEGDMA resin not only promotes the high-value utilization of WCO but also holds signi cant potential for developing low-cost and sustainable 3D printing consumables.

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Novel phenolic modified acrylates: Synthesis, characterization and application in 3D printing

Bai

Luo

Zhou

et al. 2023

European Polymer Journal

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Rapidly UV-curable resin for soft sensors of embedded 3D printing

Cited by 4 publications

References 37 publications

A stretchable flexible strain sensor with high sensitivity and fast response fabricated by embedded 3D printing of the hybrid polydimethylsiloxane/conductive carbon paste composites

A stretchable flexible strain sensor with high sensitivity and fast response fabricated by embedded 3D printing of the hybrid polydimethylsiloxane/conductive carbon paste composites

Mechanically enhanced 3D printable photocurable resin composed of epoxy waste cooking oil and triethylene glycol dimethacrylate

Novel phenolic modified acrylates: Synthesis, characterization and application in 3D printing

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