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Long Term Cable Life: Cyanobutylmethyldimethoxysilane

March 17, 2011

How a component with a really ugly name provides extraordinarily long life. Chemists call the material found in Ultrinium™ fluids cyanobutylmethyldimethoxysilane; we will call it CBMDMS for short. The focus of this video is the amazing CBMDMS, which enjoys a 25-fold to 45-fold permeation advantage over the PMDMS. That’s a really big deal. At 75°C CBMDMS will outlast PMDMS by a factor of 45! CBMDMS is available only from Novinium as its use is protected by U.S. Patent 7,643,977, other pending applications, and their foreign equivalents.

The second really cool thing about CBMDMS besides it incredibly long persistence in the cable is how it works. If you look carefully at the CBMDMS molecule, you may notice from where it gets its name. A carbon-nitrogen triple bond and an unbounded pair of electrons make a cyano-group. This cyano-group (or nitrile-group) is very polar and hence CBMDMS has a very high dielectric constant. Its dielectric constant is between 50 and 100, which puts it on par with the dielectric constant of pure water. Ultrapure water is used in high voltage electrical laboratories in water terminations to grade electrical stress. The cyano-group found only in Novinium rejuvenation products grade stress in the same way, but at the nano scale. Longer life through better chemistry.