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A study of a water-reducing agent from cashew nutshell liquid

✍ Scribed by S.K. Agarwal; Irshad Masood; T.C. Phatak

Book ID: 103969089
Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 266 KB
Volume: 6
Category: Article
ISSN: 0950-0618
DOI: 10.1016/0950-0618(92)90047-3

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✦ Synopsis

The water-reducing agent better known as superplasticizer is a recent development. A number of base materials have been used for the development of such water-reducing agents which can act better than ordinary plasticizers in concrete. The sulphonated salts of melamine, napthalene, lignin, hydroxycarboxylic acids and hydroxylated polymers are some typical compounds. Recently cashew nutshell liquid obtained from a natural product waste as a thick black phenolic compound has been converted into a water-reducing agent. This paper describes the results obtained on its effectiveness in influencing the theological properties of flow, viscosity, particle-size distribution, etc, of cement particles in hydrating cements and the water-reducing capabilities in cement mortars and concretes.

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