Bonding Information
When smart rubber is cut and put back together it will reach initial strength after 3 hours. There are non-associated bonds that make the elastomer self-healing remain in a free state for a certain amount of time until it comes in contact with the same cut edge or another cut edge with non-associated hydrogen bonds waiting to be healed. After 6 hours or 18 hours of being cut the non-associated hydrogen bonds take longer to bond and are less effective. FTIR spectroscopy shows the breaking and reassociation of hydrogen bonds in the rubber. This made it possible to see the free and bound N-H bonds which had been heated for 10 minutes at 125°C. This made the hydrogen bonds free and was proceeded to be quenched. The reassociation was about 10^4 seconds for the N-H bonds.
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