lignosulfonate


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lignosulfonate

[¦lig·nō′səl·fə‚nāt]
(organic chemistry)
Any of several substances manufactured from waste liquor of the sulfate pulping process of soft wood; used in the petroleum industry to reduce the viscosity of oil well muds and slurries, and as extenders in glues, synthetic resins, and cements.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Topcu and Atesin [6] examined the microstructures of concretes made with lignosulfonate and naphthalenesulfonate-based chemical admixtures, by means of a scanning electron microscope (SEM).
The introductory chapter of this Mississippi bulletin has an article that reported on North American industrial lignin: "Current Use in Wood Composite Binders." The current lignin use article cited 1990 pricing of lignosulfonate at $200 to $500/t, solids basis versus phenol pricing ranging from $380 to $370/t (May to October 1994).
M2 PRESSWIRE-August 2, 2019-: Lignosulfonates Market To Witness Significant Usage In Construction And Agriculture Applications Till 2022 | Million Insights
Lee, "Preparation of a sulfonated carbonaceous material from lignosulfonate and its usefulness as an esterification catalyst," Molecules, vol.
A switchable ionic liquid (SIL), synthesized from 1,8-diazabicyclo[5.4.0]undec- 7-ene (DBU), monoethanol amine (MEA), and C[O.sub.2], named C[O.sub.2]-switched [DBU][MEASIL], was demonstrated to have high ability to extract the interlinked polysaccharide impurities from the sodium lignosulfonate while the linkages and aromatic subunits remain unaffected during the dissolution-recovery cycle.
A lotion with 10% organosolv lignin increased SPF even further, from 15 to almost 92, but excessive amounts of hydrophilic lignin such as lignosulfonate caused the product to start separating.
This report on global lignin market segments the market based on the product types as lignosulphonate (lignosulfonate), kraftlignin, and others (includes organosolv) and by application asconcrete additives, animal feed, dyestuff and others (including cosmetics, absorbents, etc.).
Lignosulfonate (Lignobond DD from Lignotech, South Africa) was used as a binder.
(2011) that worked wich ground sunflower seeds in a pelleted vs non-pelleted concentrate treated with or without lignosulfonate.
Wood-based lignosulfonate versus synthetic polycarboxylate in concrete admixture systems: The perspective of a traditional pulping by-product competing with an oil-based substitute in a business-to-business market in Central Europe.