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ketene

   Also found in: Encyclopedia, Wikipedia 0.03 sec.
ke·tene  (ktn)
n.
A pungent, toxic, colorless gas, C2H2O, used chiefly as an acetylation agent.
ketene [ˈkiːtiːn ˈkɛt-]
n
(Chemistry / Elements & Compounds) a colourless irritating toxic gas used as an acetylating agent in organic synthesis. Formula: CH2:CO Also called ethonone


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What is the effect on alkyl ketene dimer (AKD) sizing when aspen high-yield pulp is substituted for hardwood kraft pulp?
Summaries of August 2004 peer-reviewed papers by Solutions - for People, Processes and Paper
3] reported products identified by FTIR, including formaldehyde, methylacrolein, methyl vinyl ketone, formic acid, carbon monoxide, and carbon dioxide, in addition to minor amounts of hydroperoxymethyl formate, formic acid anhydride, methanol, and ketene (15,33).
Formation of strong airway irritants in mixtures of isoprene/ozone ... by Nielsen, Gunnar D. / Environmental Health Perspectives
Internal size, either alkenyl succinic anhydride (ASA) or alkyl ketene dimer (AKD), is difficult to retain when used alone.
Synergistic effects from performance chemicals by King, Kasy / Solutions - for People, Processes and Paper
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