acetal

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Related to Acetals: Hemiketal
  • noun

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any organic compound formed by adding alcohol molecules to aldehyde molecules

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References in periodicals archive ?
However, degradation of acetal that occurs in the solid state takes place slowly enough to produce a substantial amount of intermediate chain lengths.
Ticona will make acetals for BASF in Bishop, Texas.
also reports that it Ultraform acetals are being used in overmolding with TPEs.
An experiment in which polychloroprene and a cyclic acetal, both dissolved carbon tetrachloride, were exposed to ozone showed that the double bonds of the elastomer were not attacked before approximately 90% of the double bonds of the antiozonant had reacted (figure 1) (ref.
Finally, it was shown that the simultaneous reaction procedure can be used to generate a variety of polyvinyl acetals from aldehydes of various chemical nature.
On the demand side, exporters and strategic planners focusing on acetals, hemiacetals, and their halogenated, sulfonated, nitrated, or nitrosated derivatives in the United States face a number of questions.
My first exposure to the prolonged shrinkage process exhibited by some materials came when i was molding large parts in acetal homopolymer.
The toughened POM alloy is said to provide the same high chemical resistance and low fuel permeability ratio found in unfilled acetals.
Since acetals are highly crystalline, they must be heated above their melting point to be processed.
According to Ticona, Hostaform WR140LG retains all the benefits associated with acetal, including durability, creep resistance, dimensional stability, chemical resistance, and flowability.
A new North American compounder claims to offer the industry's first acetals for rotomolding.
Its stiffness, strength, and toughness are similar to those of standard medium-viscosity acetals.
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.
Deirin "Decorating Solutions" overcome past limitations experienced in the decoration of acetals through the ability of its Deirin acetal resins to accept painting, printing, plating, foil stamping, and in-mold decoration, says DuPont.
Carrier resins match end-user resins and include PE, PP, PS, ABS, PVC, SAN, nylon, acrylic, acetals, PUR, K-resin, EVA, propionate, butyrate, and elastomers.