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acetal
(redirected from Acetals)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.03 sec.
acetal [′asĀ·ə‚tal]
(organic chemistry)
CH3CH(OC2H5)2A 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.


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This specialty grade can provide 60[degrees] gloss less than 3%, and it undergoes relatively little appearance change after extended uv exposure and does not form a chalky residue on the surface like many weatherable acetals.
In butyl rubber, cyclic acetals are also remarkably more effective than PPDs.
Heat-sensitive materials like PVC, ABS, and EVOH, or engineering resins like acetals, PC, nylon, or polyesters are more likely to degrade than heat-tolerant polyolefins.
 
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