The Investigation about the Shape Memory Behavior of Wool

Hu, Jin Lian; Dong, Zheng E; Liu, Yan; Liu, Yi Jun

doi:10.4028/3-908158-17-6.1

Cited by 4 publications

(6 citation statements)

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“…Furthermore, according to Rubežienė et al [163], the USA army tried to develop a textile with camouflage ability to help soldiers hide in certain environments by adapting this 4DP technology. Other than that, Yun et al [164] and Hu et al [165] developed a smart textile that is wrinkle-free and can release fragrances at a certain temperature. An example of wrinkle-free fabric being developed is shown in figure 20 below.…”

Section: Applications In the Textile Fieldmentioning

confidence: 99%

“…For example, AlliedSignal Inc. had manufactured a Securus fibre made from shape memory poly (ethylene terephthalate)-poly (caprolactone) block copolymers. This fibre has been implemented to make automotive seatbelts because it can absorb impact energy and have enhanced damping properties within glass transition temperature [165]. So, it is safer compared to a normal automotive seatbelt.…”

Section: Applications In the Textile Fieldmentioning

confidence: 99%

“…Shape memory polymers used in 4DP technology have been gaining more attention due to their advantages to be used in the aerospace field. SMP is favored for this field because of its lightweight, moderate strength to resist external disturbance and changeable properties above and below glass transition temperature [165]. Besides that, 4DP of SMP is also a good choice to use in a critical environment like space where direct intervention and monitoring from humans is hard to achieve [67].…”

Section: Applications In Aerospace Fieldmentioning

confidence: 99%

“…Figure 20. Smart wrinkle-free textile before and after steam is blown developed by Hu et al[165]. It shows that the wrinkled fabric is treated after steam is blown.…”

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confidence: 99%

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4D printing of polylactic acid (PLA)/thermoplastic polyurethane (TPU) shape memory polymer – a review

Hamidi,

Abdullah,

Shuib

et al. 2024

Eng. Res. Express

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Recently, there has been rising interest in 4D printing (4DP) technology. It is a new technology that emerged from 3D printing technology but can produce a dynamic product that can change its shape and properties when subjected to external stimuli. 4DP is an additive manufacturing process that uses materials receptive to stimuli, such as shape memory polymer (SMP), that can alter its shape once exposed to applied stimuli like heat, water, light, electricity, pressure, etc. Two frequently used SMPs are polylactic acid (PLA) and thermoplastic polyurethane (TPU), owing to their excellent shape memory properties, biodegradability, and biocompatibility. The shape memory performance of the 4D printed SMP is quantified by shape recovery ratio (Rr) and shape fixity ratio (Rf), which is highly dependent on the printing parameters. Some of the important printing parameters that influence shape memory performance are printing speed, raster angle, layer thickness, and nozzle temperature. Due to 4DP’s ability to produce a dynamic product, it is widely used to revolutionize several fields such as biomedical, textile, aerospace, soft robotic, and electronic fields. This review paper discusses and provides a better understanding of the 4DP technology, the shape recovery mechanism, the effect of 4DP parameters on shape recovery performance, applications of 4DP technology, challenges faced, and future perspectives regarding the 4DP technology

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Section: Applications In the Textile Fieldmentioning

confidence: 99%

Section: Applications In the Textile Fieldmentioning

confidence: 99%

Section: Applications In Aerospace Fieldmentioning

confidence: 99%

“…Figure 20. Smart wrinkle-free textile before and after steam is blown developed by Hu et al[165]. It shows that the wrinkled fabric is treated after steam is blown.…”

mentioning

confidence: 99%

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4D printing of polylactic acid (PLA)/thermoplastic polyurethane (TPU) shape memory polymer – a review

Hamidi,

Abdullah,

Shuib

et al. 2024

Eng. Res. Express

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“…The fast programming process and biological compatibility of some kinds of SMPs have enabled their applications in medical devices (Lendlein and Langer, 2002;Nardo et al, 2011). Potential application for SMPs also lies in smart textiles (Hu et al, 2009), sensors (Kunzelman et al, 2008), actuators (Ma et al, 2013), and the deployable space structures (Barrett et al, 2007;Lan et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Effect of the γ-radiation on the properties of epoxy-based shape memory polymers

Leng

Xie

et al. 2013

Journal of Intelligent Material Systems and Structures

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In this article, the epoxy-based shape memory polymers were exposed to simulated g-radiation environments up to 140 days for an accelerated irradiation. The influence of g-radiation on thermal and mechanical properties was evaluated by differential scanning calorimetry, dynamic mechanical analysis, and tensile test. The glass transition temperatures (T g ) determined by differential scanning calorimetry and dynamic mechanical analysis decreased no more than 10%, and the shape recovery speed became a little faster after g-radiation of 1 3 10 5 Gy. The tensile strength and elastic modulus could, respectively, maintain 26 MPa and 1.36 GPa after being irradiated by 1 3 10 6 Gy radiation, showing great potential in aerospace structural materials.

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Shape Memory Finishing of Wool Fabrics and Garments

Zhu

et al. 2012

AMR

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Shape memory finishing is suitable to wool knitted and woven fabric. The chemical is water soluble and environment friendly. The shape memory treated wool knitted fabric and garments achieve good dimensional stability, pill resistance, pattern design, crease retention, wrinkle recovery and bagging recovery effects. The finishing process is simple, saving water and can be done using the normal common washing machine. Shape memory chemical is also used on cashmere finishing increasing the piling rates.

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The Investigation about the Shape Memory Behavior of Wool

Cited by 4 publications

References 0 publications

4D printing of polylactic acid (PLA)/thermoplastic polyurethane (TPU) shape memory polymer – a review

4D printing of polylactic acid (PLA)/thermoplastic polyurethane (TPU) shape memory polymer – a review

Effect of the γ-radiation on the properties of epoxy-based shape memory polymers

Shape Memory Finishing of Wool Fabrics and Garments

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