acetal

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Related to Acetals: Hemiketal

acetal

 [as´ĕ-t'l]
1. any of a class of organic compounds formed by combination of an aldehyde molecule with two alcohol molecules.
2. CH3CH(OC2H5)2, a colorless volatile liquid used as a solvent and in cosmetics.

ac·e·tal

(as'e-tal),
Product of the addition of 2 mol of alcohol to 1 mol of an aldehyde; in mixed acetals (for example, glycosides), two different alcohols are bound to the original aldehyde group.
See also: hemiacetal, hemiketal, ketal.

acetal

/ac·e·tal/ (as´ĕ-t'l)
1. any of a class of organic compounds formed by combination of an aldehyde molecule and two alcohol molecules.
2. CH3CH(OC2H5)2, a colorless, volatile liquid used as a solvent and in cosmetics.

acetal

1 also called diethyl acetal. A colorless liquid, C2H4(OC2H5)2, sometimes used as a hypnotic.
2 any compound with the general formula R2C(OR)2 or RCH(OR)2, in which R indicates an alkyl or aryl group.

ac·e·tal

(as'ĕ-tăl)
Product of the addition of 2 mol alcohol to 1 mol of an aldehyde.
See also: hemiacetal, hemiketal, ketal

acetal

an organic compound formed by a combination of an aldehyde with an alcohol.
References in periodicals archive ?
and Geneva, Switzerland, has announced a comparable advance in overmolding special Delrin acetal grades with a specially formulated Ponoflex styrenic TPE from Germany's Pongs and Jahn.
This study shows the effectiveness of the cyclic acetal in compounds based on various elastomers.
2] will lower the rate of reaction (relative to the bulk or melt-phase case) via dilution of the reactants, yet a decreased tendency for cross-linking during acetal formation may be observed as well.
This is why the suppliers of acetal materials have been so insistent over the years on the importance of mold temperature and proper packing to prevent something they call post-mold shrinkage.
Acetal materials have been a commercial option for more than 50 years.
Custom-matched dry colorants and color concentrates for PE, PP, PS, ABS, PC, acrylic, SAN, nylon, acetal, NAS, BDS.
Celcon acetal performance in automotive fuels was recently illustrated in a series of 5000-hr comparison tests.
Introducing wear-resistant Delrin acetals (100TL and 500MP) and Zytel HTN high-temperature nylons (WRF51MP20 and WRF51K20).
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.
Also new are warp-resistant grades for large, flat molded parts, driving acetals into markets previously restricted to amorphous resins.