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High-energy shape memory polymers create powerful muscles for robots

 Last Update: 2021-09-10
 Source: Internet
 Author: User

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shampoo propylene glycol

ethanol molecular structure

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Stretched or deformed shape memory polymer after heating or light, will return to its original shape, these materials are flexible robots, intelligent biomedical devices, deployable structure to space exhibit great potential

The shape memory polymer can alternate between the original undeformed state and the secondary deformed state

A research team led by scientists from Stanford University in the United States incorporated 4,4'-methylene bis(phenylurea) units into the propylene glycol polymer backbone

In the test, the polymer can be stretched to 5 times its original length and can store up to 17.

The researchers also attached pre-stretched polymers to the upper and lower arms of the wooden mannequin to use as artificial muscles

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