acetal

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acetal

[′as·ə‚tal]
(organic chemistry)
CH3CH(OC2H5)2 A colorless, flammable, volatile liquid used as a solvent and in manufacture of perfumes. Also known as 1,1-diethoxyethane.
Any one of a class of compounds formed by the addition of alcohols to aldehydes.
References in periodicals archive ?
Examples are a cyclic acetal named Vulkazon AFS and an enol ether named Vulkazon AFD.
Protonation of the hemi-acetal hydroxyl, followed by the loss of water, produces an oxonium ion which quickly attacks the adjacent hydroxyl on PVOH to yield the cyclic acetal.
This report was created for strategic planners, international marketing executives and import/export managers who are concerned with the market for acetals, hemiacetals, and their halogenated, sulfonated, nitrated, or nitrosated derivatives in the United States.
A properly packed out acetal part produced at the correct mold temperature will exhibit continued shrinkage of about 0.
The traditional route of using halogenated FR systems is not an option with acetals because of the violent reaction that these polymers undergo with any chlorinated or brominated substances.
Other new Delrin acetal resins make possible the injection molding of flat shapes and large parts without the warp problems associated with standard acetals.
Celcon acetal performance in automotive fuels was recently illustrated in a series of 5000-hr comparison tests.
Dry color, color concentrates and compounds for PE, PS, PP, ABS, SAN, PC, nylons, NAS, K-Resin, acrylics, urethanes, butyrate and acetals.
Its stiffness, strength, and toughness are similar to standard medium-viscosity acetals.
Also, a full slate of new engineering resins at K 2004 are weighted toward nylons, acetals, polyesters, and TPEs tailored for improved processability, aesthetics, and specialized functional properties.
101); polyethersulfone sulfone (PESS), a novel high-temperature resin from Gharda Chemicals of India; decorationfriendly and warp-resistant acetals from DuPont Engineered Plastics, and electrically and thermally conductive compounds from PolyOne.