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 ?
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.
Introducing wear-resistant Delrin acetals (100TL and 500MP) and Zytel HTN high-temperature nylons (WRF51MP20 and WRF51K20).
At the top of DuPont's news in acetals is Delrin 560HD, which resists hot diesel fuel much better than standard acetals.
AK's acetal slate now includes an ultra-low-friction, lubricated Tenac grade for telecommunication equipment and a conductive version for fuel-pump modules.
DuPont, for example, has overcome some deficits of acetals with new Deirin grades that have better melt strength for large-part thermoforming and greater adhesion to paint or other resins.
Also new are warp-resistant grades for large, flat molded parts, driving acetals into markets previously restricted to amorphous resins.
Interstab G-8257 internal/external lubricant for rigid and semi-rigid PVC, ABS, PS, acetals, and polyolefins.
Delrin 300AS exhibits 300% higher stiffness than standard acetals and is aimed at uses inside the tank-such as a support flange on sender modules (a device that primes the fuel pump).