ketene


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Related to ketene: ketene lamp

ke·tene

(kē'tēn),
1. a highly reactive acetylating agent, used in chemical syntheses.
2. Any substituted ketene.
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Then after sufficient time apply the mixture of general vinyl ester resin and catalyst(Methyl Ethyl Ketene peroxide),promoter (dimethyl aniline) and accelerator (Cobalt 93) as binding agents on the surface of the fiber
The new IPA reactor is an important step toward strengthening our integrated ketene production system in Burghausen, says WACKER Board Member Auguste Willems.
Alkyl Ketene Dimer (AKD) sizing of paper under simplified treatment conditions.
a]) cycloaddition with a transition state characterized by crossed, mutually perpendicular molecular planes of ketene and the alkene.
Natural silk of Margelan masters, famous Rishtan ceramics from Uzbekistan and interesting ceramic items produced by Kyrgyz potters from Bishkek and Osh, diverse felt items from various oblasts of Kyrgyzstan, silver jewelries from Kazakhstan, ketene natural fabrics from Turkmenistan, traditional embroideries from Tajikistan and many other handicraft products are very popular among visitors, organizers say.
Polyorthoester (POE) can be created by reacting ketene acetals with diols.
Jose MARTINEZ GAZQUEZ, Observaciones a la traduccion latina del Coran (Qur'an) de Robert de Ketene, in Jacqueline HAMESSE (ed.
The centre manufactured 15kg of a special kind of paper from cotton and ketene to fill the gaps in the pages.
As an example we studied the deposition of micron-sized Alkyl Ketene Dimer (AKD) particles on pulp fibres by cationic polyacrylamide (cPAM), a common flocculent.
1 reacts with benzoyl chloride to give a cyclic ketene acetal 2, where both the nitrogen and the |A carbon have been acylated.
The chemicals include anhydrides (such as acetic, butyric, phthalic, succinic, malaic, propionic, and butyric anhydride), acid chlorides, ketene carboxylic acids, isocyanates, formaldehyde, acetaldehyde, difunctional aldehydes, chloral, phthaldehydic acid, dimethyl sulfate, alkyl chlorides, [beta]-propiolactone, acrylonitrile, and epoxides (such as ethylene, propylene, and butylene oxides, and difunctional epoxides).
Chemical properties related to the carboxyl group: Introduction; Hydrolysis; Esterification; Acid chlorides, acid anhydrides and ketene dimers; Peroxy acids and esters; Long-chain alcohols; Acetals/ketlas and orthoesters; Nitrogen-containing compounds; Sulfonation and other reactions at the a-position; Barton reaction.