polyglycol

polyglycol

[′päl·i‚glī‚kȯl]
(organic chemistry)
A dihydroxy ether derived from the dehydration (removal of a water molecule) of two or more glycol molecules; an example is diethylene glycol, CH2OHCH2OCH2CH2OH.
References in periodicals archive ?
Fact: Polyglycol compressor fluids are generally blended with one of two types of Esters: Polyolesters or Diesters.
Table 4 represent the optimum reagent consumption for lead flotation as 70 g/t potassium ethyl xanthate, 300 g/t sodium silicate, 150 g/t sodium cyanide, 30 g/t of polyglycol and Table 6 for zinc flotation as 80 g/t potassium amyl xanthate, 400 g/t copper sulphate, 300 g/t sodium silicate, 40g/t of polyglycol at rougher flotation stage.
The polyglycol segments, on the other hand, ensure that the silicone finish, which is normally water-repellent, remains permeable to water.
Kluber Lubrication has introduced Klubersynth GE 46-1200, a synthetic long-term gear grease for a variety of gear applications, and Klubersynth UH1 6 Series, a complete line of polyglycol gear oils available in ISO VG from 100-1,000 for a variety of industries.
For example, changing a haul truck rear axle gear oil from mineral oil to high-performance polyglycol oils will extend oil lifetime up to five times.
Lower-molecular-weight dispersants, typically modified ethoxylates, block polyglycol copolymers, and similar chemistries tend to have the most surfactant-like performance.
The composition contains at least one active ingredient selected from the group consisting of triethylene glycol, dipropylene glycol, propylene glycol, triethanolarnine, and mixtures thereof, wherein at least one active ingredient reduces the partial pressure of malodorants; nonionic surfactant comprising a mixture of a hydrogenated castor oil surfactant and a polyglycol ether; quaternary ammonium salt; cosolvent selected from the group consisting of short chain monohydric alcohol; and water.
Freedom Industries didn't report until Tuesday that a mixture of polyglycol ethers, or PPH, also entered the water system when the spill occurred.
The Centers for Disease Control and Prevention (CDC) said that a storage tank that leaked a coal-cleaning chemical also contained a mixture of polyglycol ethers, or PPH.
25m2g-1) in ethanol-water mixed solvent in presence of dispersion agent of polyglycol (PEG).
Polyglycol terephthate (%16) and polybutylene terephthate (%84) kopolimerinden olusan monofilament bir suturdur.
MegaSys hoses can handle biodegradable hydraulic fluids like polyester, polyglycol, and vegetable oil, as well as standard petroleum-based fluids.