Union Carbide Glycol Ethers

Ethylene Oxide moles Methanol Ethanol Propanol Butanol Hexanol 

1 Methyl CELLOSOLVE Solvent CELLOSOLVE Solvent Propyl CELLOSOLVE Solvent Butyl CELLOSOLVE Solvent Hexyl CELLOSOLVE Solvent 

2 Methyl CARBITOL Solvent CARBITOL Solvent Butyl CARBITOL Solvent Hexyl CARBITOL Solvent 

Methylal is a low-boiling solvent, stable In the presence of alkalis and mild acids, and to high temperatures and pressures. It differs from other ethers in that it forms only minute amounts of peroxides. It will dissolve such synthetic resins os nitrocellulose, cellulose acetate and propionate, ethyl cellulose, vinyl, Epons and polystyrene, and olso many of the naturol gums and waxes. Methylal as a latent solvent is activated by the addition of esters, ketones or olcohols. Its evaporotion rate, twice that of ocetone, places this ether In a class with such solvents as acetone, methyl acetate and ethyl acetate in resin formulations. 

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Table 11.67 Union Carbide Glycol Ethers (19) Product Family Order...

Selexol (Union Carbide) Dimethyl ether polyethylene glycol h2s, co2... 

Glycol Ethers, Brochure F-60617A, Union Carbide Corp., Conn., 1989. 

The solvent can be tailored to provide selective acid gas removal based on the Hquid—gas solubiHties. For example, the Selexol process, Hcensed by Union Carbide Corporation, uses the dimethyl ether of polyethylene glycol (DMPEG) to provide high hydrogen sulfide selectivity. The solubiHty of hydrogen sulfide in DMPEG is 8—10 times that of carbon dioxide. 

An explosion and fire (March 13, 1991) occurred at an ethylene oxide unit at Union Carbide Chemicals Plastics Co. s Seadrift plant in Port Lavaca, TX, 125 miles southwest of Houston. The blast killed one, injured 19, and idled the facility, that also produces ethylene, ethylene glycol, glycol ether ethanolamines, and polyethylene. Twenty-five residents were evacuated for several hours as a safety precaution. The plant lost all electrical power, for a few days, because its cogeneration unit was damaged. The Seadrift plant, with 1,600 workers, is capable of making 820 million lb per year of ethylene oxide which is one-third of Carbide s worldwide production of antifreeze, polyester fibers, and surfactants Seadrift produces two thirds of Carbide s worldwide production of polyethylene. 

The most common BW antifoam employed today is UCON 50-HB-5100, from Union Carbide Corporation, which is the linear POP(33), POE(45) ether of butyl alcohol, or polyalkylene glycol monobutylether (PAGMBE). 

Coupling agents such as hydroxymethyl benzene or a polyoxyeth-ylene-polyoxypropylene ether [polypropylene glycol-polyethylene glycol ether, POE-POP ether, e.g., Ucon synthetic lubricant from Union Carbide Corp.)] and hydrotropes, such as an imidazoline car-boxylate may also be needed to hold the formulation together. 

Carbitol . A trademark of the Union Carbide Corp for mono- and dialkyl ethers of diethylene glycol Si their derivs Refs l)Hackh s(1944), 166 2)Sax(1957), 435 3)CondChemDict(196l), 216... 

Carom [Carbide aromatics extraction] A two-stage process for removing aromatic hydrocarbons from petroleum refining streams. In the first stage, the aromatics are removed by liquid-liquid extraction with a proprietary solvent (a mixture of polyalkylene glycols and a glycol ether) at ambient temperature. In the second stage, the aromatics are stripped from the solvent by steam distillation. Developed by Union Carbide Corporation first commercialized in 1986, and now licensed by UOP. Seven units had been licensed by 2002. 

Nachreiner DJ. 1994. Etliylene glycol butyl ether Acute vapor inhalation toxicity study in guinea pigs. Bushy Run Research Center, Union Carbide Corporation. Sponsored by Chemical Manufacturers Association, Washington, D.C., 94N1392. 

TylerTR. 1982. Review of ethylene glycol monobutylether toxicity testing. Union Carbide corporation report. In The toxicology of ethylene glycol monoalkyl ethers and its relevance to man. (ECETOC Technical Report No. 4), ECETOC, Brussels. 

Butyl Carbitol Acetate. [Union Carbide] Diethyene glycol butyl ether acetate solvent. 

Butyl Propasol. [Union Carbide] Propylene glycol butyl ether solvent for coatings, cleaners, electronic, and ink applies., water-reducible polyester and alkyd resin prod. 

BUTYL CELLOSOLVE [Union Carbide] (111-76-2) see ethylene glycol monobutyl ether. 

CELLOSOLVE [Union Carbide] (110-80-5) see ethylene glycol monoethyl ether. CELLOSOLVE ACETATE [Union Carbide] (111-15-9) see ethylene glycol ethyl efiier acetate. 

PHENYL CARBOXYLIC ACID (65-85-0) C7HJO2 Combustible solid.Dust may form explosive mixture with air (flash point 250°F/121°C autoignition temp 1063°F/573°C Fire Rating 1). Incompatible with strong oxidizers, caustics, ammonia, amines, isocyanates. The aqueous solution is a weak acid. On small fires, use dry chemical powder (such as Piuple-K-Powder), foam, water spray, or COj extinguishers. PHENYL CELLOSOLVE [Union Carbide] (122-99-6) see ethylene glycol phenyl ether. 

Carbitol is the trade name of Union Carbide for diethylene glycol monoethyl ether (2-(2-ethoxyethoxy)ethanol), H5C2OCH2CH2OCH2CH2OH. 

Nonyl phenyl polyethylene glycol ether containing 9 moles of ethylene oxide (Union Carbide Chemicals Co.). 

Materials. VEC was prepared by the catalyzed addition of CO2 to 3,4-epoxy-l-butene using conditions typical of that used industrially [77], then purified by vacuum distillation. Other raw materials were used as received without any additional purification. Mixed xylenes, vinyl acetate (VA), butyl acrylate (BA), butyl methacrylate (BMA), methyl methacrylate (MMA), styrene (St), and t-butyl hydroperoxide were obtained from Aldrich Chemical Company. Lupersol 575 (t-amyl peroxy (2-ethylhexanoate)) was supplied by Elf Atochem. Vazo 67 (2,2 -azobis(2-methylbutyronitrile)) was obtained from DuPont Chemical Company. Vinyl pivalate (NE05), vinyl 2-ethylhexanoate (V2EH), Tergitol NP-40 (non-ionic surfactant) and QP-300 (hydroxy ethyl cellulose) were obtained from Union Carbide Coq)oration. Aerosol OT-75 (surfactant) was obtained from Cytec. Sodium formaldehyde sulfoxylate was obtained from Henkel Corporation. Ethyl 3-ethoxy propionate (EEP), propylene glycol monomethyl ether (PM) and PM acetate (PM Ac) are Eastman Chemical Company products. 

Nonionic surfactants such as polyoxyethylated fatty alcohols (such as Emul-phor ON-870 from GAP), alkyl phenyl polyethylene glycol ethers (such as the Tergitols from Union Carbide) and polyoxyethylated octylphenol may be used as protective colloids along with anionic surfactants or, in some cases, as emulsifiers in their own right. The block copolymers of polyoxyethylene and polyoxypropylene (Pluronics) solubilized vinyl acetate. Polymerization takes place at the interface of the surfactant-monomer droplet and the aqueous phase [151]. 

Propylene glycol methyl ether UNION CARBIDE... 

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