wetting agent

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wetting agent

[′wed·iŋ ‚ā·jənt]
(chemical engineering)
A substance that increases the rate at which a liquid spreads across a surface when it is added to the liquid in small amounts.
(graphic arts)
A substance that renders a surface nonrepellent to a wetting liquid.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

wetting agent

A substance capable of lowering the surface tension of liquids, facilitating the wetting of solid surfaces, and permitting the penetration of liquids into the capillaries.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
In our Ti[O.sub.2]-based masterbatches, color homogeneity became better if organic pigments were used instead of dyes, and it could be further improved if a wetting agent (up to 10m/m%) was added to that masterbatch.
Therefore, this work was conducted to evaluate the effects of a wetting agent in modifying the wetting pattern in different OM contents and non-water repellent soil textures.
Among the silicones that can lead to next-generation color cosmetics, bishydroxyethoxypropyl dimethicone is a versatile material that acts as a wetting agent to stably disperse pigments and actives, while also providing moisturization and fragrance retention.
The increasing demand from applications such as graphic arts, publishing, inkjet and UV inks, particularly in Asia Pacific, is driving the demand for dispersing and wetting agents, which are used in higher dosages in almost all types of inks.
Nonionic surfactants, many of which are based on polyethoxylated materials, can be excellent wetting agents and emulsifiers.
Roberto Gorri, "Our plants for the finishing of Denim fabric are all made with concept of tradi- tional system and more precisely by wet process into a bath containing softener and wetting agents. Our range of finishing line is the result of accurate research and continuous development in co-operation with the biggest and most important denim manufacturers.
The unique chemistry is said to offer high oxygen transmission, a low modulus, natural water-loving material and no surface treatment or wetting agents.
The new Tacolyn 3509, a low surface tension resin dispersion for use in waterborne adhesives for tapes and labels, eliminates the need for surfactants or other wetting agents in waterborne adhesives.
Day two of the course will include sessions on Pigment dispersants and wetting agents; Coloristic properties; Surface modifiers: and an educational evening session that includes testing.
However, a trend toward using fluorosurfactants as wetting agents in fluids such as developers has caused concern, since fluorosurfactants can cause stress cracking in PFAs.
Unlike most hard coatings, Visgard's anti-fogging is permanent, because the wetting agents are chemically bonded to the plastic.