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.

References in periodicals archive ?

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

Fabrication and testing of sisal fiber reinforced polymers

The new IPA reactor is an important step toward strengthening our integrated ketene production system in Burghausen, says WACKER Board Member Auguste Willems.

Germany : WACKER Expands Its Integrated Ketene Production in Burghausen

Alkyl Ketene Dimer (AKD) sizing of paper under simplified treatment conditions.

A Perspective on various alkyl ketene dimer (AKD) application areas

a]) cycloaddition with a transition state characterized by crossed, mutually perpendicular molecular planes of ketene and the alkene.

Evolution of microwave spectroscopy at the National Bureau of Standards (NBS) and the National Institute of Standards and Technology (NIST)

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.

International Festival Oimo-2011 to open on July 24 in Bishkek

Polyorthoester (POE) can be created by reacting ketene acetals with diols.

Biodegradable polymer scaffold for tissue engineering

Jose MARTINEZ GAZQUEZ, Observaciones a la traduccion latina del Coran (Qur'an) de Robert de Ketene, in Jacqueline HAMESSE (ed.

La Peninsula Iberica como espacio de encuentro cristiano-musulman a la luz de los procesos de transferencia y transformacion durante los siglos XII-XV

The centre manufactured 15kg of a special kind of paper from cotton and ketene to fill the gaps in the pages.

Restoration project: Back to its old glory

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.

Asymmetric polymer bridging between starch-coated colloidal particles and pulp fibres by cationic polyacrylamide

1 reacts with benzoyl chloride to give a cyclic ketene acetal 2, where both the nitrogen and the |A carbon have been acylated.

Chemistry and chemical engineering

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).

Acetylation of wood: journey from analytical technique to commercial reality

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.