Self-healing and printable elastomer with excellent shear stiffening and magnetorheological properties was written by Ding, Li;Zhang, Shuaishuai;Wang, Qi;Wang, Yu;Xuan, Shouhu;Gong, Xinglong;Zhang, Dongsheng. And the article was included in Composites Science and Technology in 2022.Recommanded Product: 2,2′-Oxybis(ethan-1-ol) This article mentions the following:
This work reports a novel kind of hybrid magnetorheol. elastomer (HMRE) that possesses multi-functions including excellent shear stiffening and magnetorheol. (MR) effects, as well as self-healing and printable abilities. The HMRE materials are prepared by embedding carbonyl iron particles (CIPs) into a blend of silicon rubber (SR) and low crosslinking gel-like polyurethane (PU). The relative shear stiffening effect of HMRE-3:1 (the mass ratio of PU and SR is 3:1, and 50 weight% CIPs) is 6095% as the shear frequency increases from 0.1 Hz to 100 Hz, which is about 150 times that of SR based magnetorheol. elastomer (MRE). With the magnetic flux d. from 0 to 1T, MR effect of isotropic HMRE-3:1 is as high as 266%, which is 3.5 times that of SR based MRE. Notably, HMRE obtains extraordinary mech. and elec. healing capabilities. HMRE with a destructive cut-through injury can sustain an extensibility of 425% (the initial extensibility ∼650%) after healing. Meanwhile, possible mechanisms are proposed to explain the shear stiffening properties, MR effect, and self-healing performance of HMRE. Moreover, the extruded modeling 3D printing of flexible HMRE actuators can be achieved due to the plasticine property of pre-polymerized HMRE, which bestows HMRE with magnetic particle distribution programmability and shape designability. This work may provide a new way for the next-generation multifunctional materials with exceptional shear stiffening behavior, magnetically mech. properties, self-healabilities, and printable performance. In the experiment, the researchers used many compounds, for example, 2,2′-Oxybis(ethan-1-ol) (cas: 111-46-6Recommanded Product: 2,2′-Oxybis(ethan-1-ol)).
2,2′-Oxybis(ethan-1-ol) (cas: 111-46-6) belongs to alcohols. Alcohols are weak acids. The most acidic simple alcohols (methanol and ethanol) are about as acidic as water, and most other alcohols are somewhat less acidic. Grignard and organolithium reagents are powerful tools for organic synthesis, and the most common products of their reactions are alcohols.Recommanded Product: 2,2′-Oxybis(ethan-1-ol)
Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts