octamethylcyclotetrasiloxane

octamethylcyclotetrasiloxane

[‚äk·tə‚meth·əl‚sīk·lə‚te·trə·sə′läk‚sān]
(organic chemistry)
C8H24O4Si4 An oily colorless liquid with a boiling point of 175°C (315°F) and melting point of 17.5°C (63.5°F); a component of silicone gel.
References in periodicals archive ?
commercial types Suprasil UVL or Corning 7979, produced from octamethylcyclotetrasiloxane OMCTS, [[[(C[H.
A common approach to lower VOC content in solvent-based alkyd coatings is to use exempt solvents, such as acetone, methyl acetate, parachlorobenzotrifluoride (PCBTF), octamethylcyclotetrasiloxane (D4 cyclic siloxane), and tert-butyl acetate.
Bis(3-aminopropyl)-tetramethyldisiloxane (BAPTM DS) and octamethylcyclotetrasiloxane ([D.
3] used Tomlinson's model to study temperature dependence of friction on n-hexadecane and octamethylcyclotetrasiloxane and in each case his results show inverse relationship.
7 Aerosil 300SP DDS = dimethyldichlorosilane HMDS = hexamethyldisilazane D4 = octamethylcyclotetrasiloxane PDMS = polydimethylsiloxane Note: Hydrophobic fumed silica is labeled with the suffix "R" and "R" means repellent.
We therefore used octamethylcyclotetrasiloxane (OMS; Fluka), which has a boiling point of 448 K and a chemical shift of 0.
Alternatively, some solventborne resin manufacturers have effectively substituted VOC-exempt substances like octamethylcyclotetrasiloxane (D4) in place of mineral spirits.
Cyclosiloxanes are widely used, with the most common types being hexamethylcyclotrisiloxane, octamethylcyclotetrasiloxane ([D.