acetal


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Related to acetal: hemiacetal
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  • noun

Words related to acetal

any organic compound formed by adding alcohol molecules to aldehyde molecules

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References in periodicals archive ?
Find someone who has some experience processing PVC or acetal; ask about his or her experiences.
In addition, cups formed with C1R weighed three percent more than those formed with acetal.
The VC-692-SST-p-P features a comfortable reinforced polyamide based technopolymer hand knob with M6, M8 or M10 stainless steel bolt with chamfered end, into the end of which is mounted the acetal resin (POM) button.
However, for resins such as acetal copolymer where the UV package is contained in the natural resin, using the wrong natural that contains no UV stabilizers can lead to field failures and potential recalls.
* One type of plastic valve is molded of ACETAL. It has threaded connections for use in metal piping systems.
One manufacturer found that a 14-gear gear train for an air damper actuator molded in Celcon acetal copolymer (polyoxymethylene, POM) would cost half that of an all-metal drive.
Tiona, the technical polymers business of Celanese AG, Kronberg, Germany, has confirmed it will increase the production of Celcon[R] acetal copolymer in North America from 86,000 tons to 102,000 tons per year by the end of 2004.
Cross relied on Celcon acetal copolymer (polyoxymethylene, POM) and Celanex thermoplastic polyester (PBT) over acetal homopolymer in four of the pen's most dynamic parts.
Ticona, the technical polymers business of Celanese AG, has introduced 11 grades of Cecon MT acetal copolymers and four grades of Celanex MT polybutylene terephthalate (PBT) for use in medical technology.
The new belts' Acetal rollers are located directly on the belt rods, and allow manipulation of product to belt speed.
For example, using SICOR on low-density polypropylene with a cyanoacrylate created a bond four times stronger than that created by corona discharge alone, while tests of Acetal (the common name for a difficult-to-bond polymer) using two types of silicone sealants showed a strength rating of up to 24 newtons (the unit of force required to detach a 0.5 mm layer of a silicone sealant from the surface of a 1 cm width of SICOR-modified Acetal substrate).
Second, the A7Z45 Series has Teflon filled acetal bearings.
Consequently, in a simultaneous reaction scheme where the poly(vinyl acetal) is produced directly from PVAc, the rate of acetalization should be significantly higher than that of the initial hydrolysis/alcoholysis to ensure that the concentration of OH groups remains low.
Available in white polypropylene, white acetal and natural polypropylene, the Series 800 Nub Top is useful for most food processing applications where sticking has traditionally been a problem.
A new low-emission acetal for automotive and non-automotive gears is said to outperform high-viscosity acetals.