acetal

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Related to acetal: hemiacetal

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.

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References in periodicals archive ?

Ultimately, HYTAC-C1R resulted in equivalent or improved optical properties compared to PEI and acetal, while improving material distribution and leading to stronger cups.

Case study: Research shows performance benefits of syntactic plug assists for thermoforming of transparent PP parts

In the case of acetal copolymer, the challenge is to develop a low-gloss material with no sacrifice in overall appearance (no surface defects), one that is colorable in a full range of colors, meets UV requirements, and maintains a good balance of mechanical properties, all at a reasonable raw material cost.

Get green without paint: looking good, and doing good, with molded-in- metallic engineering resins

In one case, a watch manufacturer switched from metal to gears made of Celcon acetal copolymer and Vectra liquid crystal polymer.

Gearing up-front: engineering thermoplastics offer cost/weigh savings and design flexibility

A potential side reaction, that between methanol and butyraldehyde to produce the methyl-based acetal, did not interfere in the generation of PVB with high butyral content.

Solvent-free generation of poly(vinyl acetals) directly from poly

Durable Brass Newlocs handle higher temperatures - up to 200[degrees]F (93[degrees]C) - than the acetal style, and their pressures are limited only by the working pressure of the plastic tubing being used.

Push-to-Connect Fittings in Two Materials - Acetal & Brass - Now Available from NewAge(R) Industries

The valves below were made from aluminium and phosphor bronze/nylon and are now made from acetal.

Switch to plastics cuts corrosion in cooling baths

In his 40-plus years of experience with rotational molding, Beall has encouraged attempts to rotomold nylon, acetal, polycarbonate (PC), and other engineering resins.

Engineering resins for rotomolding: underused materials could support rotational molding's future growth

Aardalloy 3300 POM Alloy is a medium-viscosity, high-heat, homopolymer acetal alloyed with elastomers and modifiers that increase impact strength and elongation.

Roto resins

monocytogenes as well as acetal resin or reinforced plastic wall paneling.

The survival of foodborne pathogens in food processing facilities is affected by the composition of surface materials, the availability of nutrients and moisture, and temperature

The Techtron PPS (polyphenylene sulfide), Ketron PEEK (polyetheretherketone) and a porosity-free acetal copolymer provide high stiffness and dimensional stability to various structural components of the Varioscope M5 system.

Plastic materials provide high-strength vision

Keywords: By reacting an alkoxysilane acetal with a sulfurating agent including certain novel mercapto silanes, useful in providing rubber tires with improved properties.

Patent news

The two companies will establish a production and sales joint venture in June or July and build a plant in the eastern province of Jiangsu to produce acetal, or POM, copolymer resins.