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A well-known example of 4D printing materials is shape memory polymers ink. These are intelligent materials that may change back to their original shape from a distorted state in response to environmental factors like temperature.
Shape memory polymers (SMPs) inks belong to a class of smart materials that respond to environmental stimuli and can alter shape under regulated circumstances. A thermally induced shape memory effect (SME) based on glass transition temperatures (Tg) or melting points can be seen in thermoresponsive SMPs (Tm).
The materials in this class allow for controlled shape change from their original, permanent shape to any arbitrary temporary shape, which can then be returned to the original, permanent shape by temperature.
In contrast to thermoresponsive hydrogels, SMPs can be activated without the need of swelling agents not just in aqueous settings but also under ambient or vacuum conditions.
Additionally, the stability and mechanical qualities are outstanding. SMPs have therefore considerable potential for applications in the fields of flexible electronics, soft robotics, medicinal devices, and aerospace technology due to these remarkable properties.
The Global Shape Memory Ink market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
The researchers developed a brand-new shape memory substance that can be 3D printed at both the macro and micro scales with great resolution. 4D printing is made possible by a flexible shape memory ink system.
It was developed in cooperation with the working group of Max Planck Institute for Medical Research Director and biophysicist, who is also a researcher at Ruperto Carola. The structures feature box-shaped microarchitectures with reopenable lids that close in reaction to heat.
Smart polymers, cutting-edge substances whose size and mechanical properties can be precisely modified on demand, are used to build the printed microstructures. The Cluster of Excellence “3D Matter Made to Order” produced these “lifelike” 3D microstructures (3DMM2O).
This is known as 4D printing, and the added fourth dimension refers to the ability of three-dimensional printed products to change their properties over time. A well-known example of 4D printing materials is shape memory polymers. These are intelligent materials that, in response to outside stimuli like temperature, may revert to their original structure from a distorted state.
